A suction bucket trunk lid for being fitted in or on an outlet opening of a trunk of a suction bucket of an anchoring system for soft ocean floors includes a locking arrangement that is moveable between an unlocked state, in which the suction bucket trunk lid is arranged to be removable from the trunk, and a locked state, in which the suction bucket trunk lid is arranged to be secured to the trunk. The locking arrangement has a lock control interface for shifting the locking arrangement from the unlocked state to the locked state, and the suction bucket trunk lid is a detached unit.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Condition monitoring, steering and control apparatuses;
condition monitoring, steering and control software. Machine condition monitoring; software as a service (SaaS)
for machine condition monitoring, machine control and
steering.
The present invention provides a method (100) of operating a centrifugal separator (1) The centrifugal separator (1) comprises a centrifuge bowl (10) arranged to rotate around an axis of rotation (X) and in which the separation of a liquid mixture takes place, a stationary hood (2) which defines at least part of a surrounding space (3) in which said centrifuge bowl (10) is arranged, a drive member (4) configured to rotate the centrifuge bowl (10) around the axis of rotation (X). The centrifuge bowl (10) further comprises an inlet (11) for receiving the liquid mixture to be separated and at least one liquid outlet (12, 13) for discharging a separated liquid phase. The method (100) comprises the steps of a) separating (101) the liquid feed mixture into at least one separated liquid phase in the centrifuge bowl (10); b) collecting (103) contaminated water from at least one unit of the centrifugal separator (1); and c) resupplying (106) said contaminated water to the centrifugal separator to flush the surrounding space (3). The present invention further provides a centrifugal separation system (200) for separating at least one liquid phase and a solid phase from a liquid feed mixture.
B04B 1/10 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl
B04B 15/06 - Other accessories for centrifuges for cleaning bowls, filters, sieves, inserts, or the like
The disclosure concerns a seal cartridge (14) for a centrifugal separator (2). The seal cartridge (14) comprises a first sealing unit (20) and a second sealing unit (22). The first sealing unit (20) is connectable to a stationary structure (13) of the centrifugal separator (2) and the second sealing unit (22) is connectable to a rotatable system (9) of the centrifugal separator (2). At least a portion of a first fluid flow path (16) extends through the first and second sealing units (20, 22) and the first and second sealing units (20, 22) are arranged in sealing abutment to seal the first fluid flow path (16). The first sealing unit (20) is arranged in a first casing portion (24), and the second sealing unit (22) is secured in relation to the first casing portion (24) such that the seal cartridge (14) forms one entity.
B04B 1/04 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
F16K 1/00 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
5.
HIGH TEMPERATURE WORT THERMAL TREATMENT SYSTEM AND METHOD
The present invention relates to an energy efficient continuous wort thermal treatment process and system, comprising: a feeding pump for feeding incoming wort via a feed line, a heat exchanger being fluidly connected to the feed line and arranged to heat the incoming wort, a holding cell, into which the pre-heated wort is fed and held pressurized for a specified time period at a determined pressure and temperature, which is below a boiling point of the wort at the determined pressure, wherein the wort is held pressurized by means of the pressure generated by the feeding pump, and wherein the heat exchanger is arranged to receive the heat-treated wort from the holding cell, the heat exchanger arranged such that the heat-treated wort pre-heats the incoming wort to a target temperature, and the incoming wort cools the outgoing heat-treated wort.
The present invention provides a method (100) for operating a centrifugal separator (1) for separating at least one liquid phase and a solid phase from a liquid feed mixture The centrifugal separator (1) comprises a centrifuge bowl (5) arranged to rotate about an axis of rotation and comprising a separation space (9a), in which surface enlarging inserts (10) are arranged, and a sludge space (9b) arranged radially outside the separation space (9a). The centrifuge bowl (5) further comprises an inlet (14) for supply of the liquid feed mixture, at least one liquid outlet (6, 7) for discharge of a separated liquid phase, a sludge outlet (15) arranged for intermittently discharging a separated solid phase from said centrifuge bowl (5), and a first sensor (61) arranged at a first radial position in the centrifuge bowl (5). The first sensor (61) is a pressure or temperature sensor and said first radial position is within the inner half of the radial extension (ΔR) of the sludge space (9b). The method 100) is comprising the steps of a) rotating (101) the centrifuge bowl (5); b) supplying (102) the liquid feed mixture to the centrifuge bowl (5); c) separating (103) said liquid feed mixture in the centrifuge bowl (5) into at least one liquid phase and a solid phase; d) measuring (104) a pressure or temperature at said first radial position with said first pressure or temperature sensor (61); and e) determining (105) from the measurements in step d) if the solid phase has reached a critical position that is within the inner half of the radial extension (ΔR) of the sludge space (9b); and if so f) discharging (106) a solid phase from said sludge outlet (15).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 11/04 - Periodical feeding or dischargingControl arrangements therefor
The present invention provides a method (100) for operating a centrifugal separator (1) for separating at least one liquid phase and a solid phase from a liquid feed mixture The centrifugal separator (1) comprises a centrifuge bowl (5) arranged to rotate about an axis of rotation and comprising a separation space (9a), in which surface enlarging inserts (10) are arranged, and a sludge space (9b) arranged radially outside the separation space (9a). The centrifuge bowl (5) further comprises an inlet (14) for supply of the liquid feed mixture, at least one liquid outlet (6, 7) for discharge of a separated liquid phase, a sludge outlet (15) arranged for intermittently discharging a separated solid phase from said centrifuge bowl (5), and a first pressure or temperature sensor (61) arranged at a first radial position in the centrifuge bowl (5). The first radial position is within the outer half of the radial extension (ΔR) of the sludge space (9b). The method (100) is comprising the steps of a) rotating (101) the centrifuge bowl (5); b) supplying (102) the liquid feed mixture to the centrifuge bowl (5); c) separating (103) said liquid feed mixture in the centrifuge bowl (5) into at least one liquid phase and a solid phase; d) discharging (105) a solid phase of volume V1; e) measuring (106) a pressure or temperature at least at said first radial position after the sludge discharge of step d); and f) determining (107) if there is still sludge left in the sludge space (9b) from the measurements in step e).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 11/04 - Periodical feeding or dischargingControl arrangements therefor
Joining a first metal plate and a second metal plate. A melting point depressant is applied at a first area of at least one of the plates. The first area is elongated in a planar direction. The plates are stacked along a stacking direction being transversal to the planar direction. The plates defining a plate interspace between themselves being less than the thickness of any of the plates. The plates are heated thereby melting a surface layer of at least one of the plates at the first area and forming a melted surface layer together with the melting point depressant. The melted surface layer contacting both plates. The melted surface layer is allowed to solidify at a second area being elongated in the planar direction, thereby forming an elongated joint between the plates at the second area and an elongated groove at the first area.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Condition monitoring, steering and control apparatuses; condition monitoring, steering and control software. Machine condition monitoring; software as a service (SaaS) for machine condition monitoring, machine control and steering.
10.
A TOOL HEAD FOR MANUFACTURING A SEPARATION DISC AND A METHOD FOR MANUFACTURING A SEPARATION DISC USING A TOOL HEAD
A tool head for manufacturing a separation disc includes a ball element configured to bear on a work piece to form the separation disc on a rotating mandrel; a holding device for holding the ball element; and a fixating element for detachably and rotatably arranging the ball element at the holding device. A method for manufacturing a separation disc uses a tool head.
A system (100) for removing ammonia from a purge is disclosed. The system comprises an ammonia absorption arrangement (110) configured to accommodate an absorption liquid for absorbing the ammonia from the purge gas, wherein the ammonia absorption arrangement comprises a temperature management system (120) operable to control a temperature of the absorption liquid, and a controller (130) configured to operate the ammonia absorption arrangement in an absorption mode and a regeneration mode. In the absorption mode, the absorption liquid is maintained at a first temperature and the purge gas is passed through the absorption liquid to remove the ammonia from the purge gas. In the regeneration mode, the absorption liquid is maintained at a second temperature, exceeding the first temperature, and the ammonia–water vapour, originating from the absorption liquid, is evacuated from the ammonia absorption arrangement to reduce an ammonia concentration in the absorption liquid.
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
A centrifugal separator for separating at least one liquid heavy phase from a liquid feed mixture includes a frame, a drive member and a rotatable part. The drive member is configured to rotate the rotatable part in relation to the frame around an axis of rotation. The rotatable part includes a centrifuge bowl enclosing a separation space and a sludge space. The separation space includes a stack of separation discs arranged coaxially around the axis of rotation and the sludge space is arranged radially outside the stack of separation discs. The centrifuge bowl includes an inlet for receiving the liquid feed mixture and a first outlet chamber in fluid connection with a heavy phase outlet pipe for discharging a separated liquid heavy phase. The centrifugal separator includes a plurality of outlet conduits for transport of the separated liquid heavy phase from the sludge space to the first outlet chamber. The plurality of outlet conduits have their inlet end portions extending into the sludge space and fixation members for fixating the radial position of the inlet end portions in the sludge space a distance from the surrounding inner wall of the centrifuge bowl.
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
C12C 11/11 - Post fermentation treatments, e.g. carbonation or concentration
An arrangement for monitoring a plate heat exchanger (100) is provided. It includes a slave monitoring device (123) comprising a sensor (150) arranged to measure a property of a fluid and a communication module (130) configured to acquire data indicating the measured property of the fluid from the sensor (150) for communicating said data to a master monitoring device (120) comprised in the arrangement. The arrangement further includes the master monitoring device comprising a sensor (160) arranged to measure a property of a fluid and a communication module (131) configured to acquire data indicating the measured property of the fluid from the sensor (160), and the data indicating the measured property of the fluid from the sensor (150), for communicating the data to a remote location (140).
G01F 1/00 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
A marine boiler (100) is disclosed, comprising a burner (110) configured to combust an ammonia-based fuel to generate a flame and a furnace (120) configured to be heated by the flame. The furnace comprises a burner inlet (112) allowing the burner to release the flame into an inlet zone (10) of the furnace, an exhaust outlet (114) allowing combustion gases to be exhausted from an outlet zone (20) of the furnace, and an injector outlet (116) for introducing a selective non-catalytic reduction, SNCR, agent into the outlet zone to reduce a level of nitrogen oxides in the combustion gases. The injector outlet is arranged to introduce the SNCR agent in a peripheral part of an interior of the furnace. A method for reducing the level of nitrogen oxides in combustion gases of a marine boiler is also disclosed.
F23J 7/00 - Arrangement of devices for supplying chemicals to fire
F23J 15/00 - Arrangements of devices for treating smoke or fumes
B63H 21/08 - Use of propulsion power plant or units on vessels the vessels being steam-driven relating to steam boilers
F22B 7/00 - Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body
A centrifugal separator for separating a gas liquid mixture into a gaseous and a liquid phase includes a first separation space, a first separation aid arranged inside the first separation space, a drive arrangement configured for rotating the first separation aid, an inlet, a gas outlet, and a liquid outlet. The centrifugal separator further includes a second separation space, and a second separation aid arranged inside the second separation space. The drive arrangement is configured for rotating the second separation aid. A first passage connects the inlet with the first separation space and a second passage connects the inlet with the second separation space. The first and second separation aids are arranged along a common axis.
A method and system of extracting an oil from an oil-containing raw material involves providing a non-crushed oil-containing raw material, and treating the non-crushed oil-containing raw material. The treatment is performed by exposing the oil-containing raw material to vacuum, wherein the vacuum defines an absolute pressure of between 1 mm Hg and 150 mm Hg, and a temperature of between 0° C. and 45° C., and by subjecting the oil-containing raw material to crushing, simultaneously and/or subsequently to the step of exposing the oil-containing raw material to the vacuum, to provide a treated oil-containing raw material. By the method and system, high yield of oil with high quality can be obtained.
A UV-treatment unit for reducing the amount of active or living micro-organisms in a liquid food product includes a liquid inlet and a liquid outlet and a set of translucent liquid tubes fluidly connected to the inlet and the outlet and defining a flow channel for the liquid. Each tube has a planar shape providing at least two turns for the flow direction between the inlet and the outlet. The unit includes one or more UV-light sources, which are configured to emit light in a wavelength range between 180-300 nm and arranged on at least one side of the set of liquid tubes. The unit optionally comprises an optical filter placed between the UV-light sources and the set of liquid tubes, the filter configured to prevent wavelengths of more than 300 nm to pass through the filter. Also, a system including the UV-treatment unit is described.
A heat transfer plate (8, 8a, 8b), a cassette (57) and a heat exchanger (2) are provided. The heat transfer plate (8, 8a) comprises a heat transfer area (46) provided with a heat transfer corrugation pattern comprising tops (60) and bottoms (62). The heat transfer area (46) comprises at least first and second transverse fields (1, 3) arranged in succession along a longitudinal center axis (L) of the heat transfer plate and each extending from a first long side (7) to a second long side (9) of the heat transfer area (46). The first and second transverse fields (1, 3) are separated by a first transverse border area (11). The heat transfer plate (8, 8a, 8b) is characterized in that a first top pitch (TP1) between the tops (60) extending within the first transverse field (1), within a first transverse sub-field (1') of the first transverse field (1), differs from a second top pitch (TP2) between the tops (60) extending within the second transverse field (3), within a second transverse sub-field (3') of the second transverse field (3).
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
The disclosure concerns a method and a centrifugal separation system (2) comprising a centrifugal separator (4). A control arrangement (12) of the system (2) is configured to: determine a pressure of a liquid heavy phase; determine a pressure of a liquid light phase; determine a flowrate of the liquid heavy phase and/or of the liquid light phase; provide a control function (58), that links a pressure difference between the liquid heavy phase and the liquid light phase with the flowrate of the liquid heavy phase or with the flowrate of the liquid light phase; and control a backpressure of the liquid heavy phase and/or a backpressure of the liquid light phase in order to adjust the pressure difference between the liquid heavy phase and the liquid light phase to the flowrate of the liquid heavy phase or the flowrate of the liquid light phase based on the control function (58).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
The disclosure relates to a centrifugal separator (1) for separating at least one liquid phase from a liquid feed mixture, the centrifugal separator (1) comprises a mechanical seal (30, 50, 80) for sealing between a rotatable part (4) and a stationary portion (2) during operation, which mechanical seal (30, 50, 80) comprises a rotatable sealing element (31) connected to the rotatable part (4), and at least one stationary sealing ring (32, 33) connected to the stationary portion (2). The rotatable sealing element (31) comprises at least one first sealing surface (31a) and the at least one stationary sealing ring (32, 33) comprises at least one second sealing surface (32a, 33a), which sealing surfaces (31a, 32a, 33a) are arranged with a contact force between them. A section (52, 54) of the stationary portion (2) is arranged to be axially movable in relation to the rotatable part (4), wherein the stationary sealing ring (32) is arranged in the axially movable section (52, 54) of the stationary portion (2).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
A heat transfer plate (8, 8a), a gasket arrangement (72), an assembly (90), a cassette (57) and a heat exchanger (2) are provided. The heat transfer plate (8, 8a) comprises first, second, third and fourth portholes and a heat transfer area (46) provided with a heat transfer corrugation pattern comprising HT ridges (60) and HT valleys (62) extending in and between parallel first and second planes (P1, P2). The heat transfer plate (8, 8a) further comprises a gasket groove (68) comprising a field gasket groove portion (68a), a second ring gasket groove portion (68b) enclosing the second port hole (42) and a fourth ring gasket groove portion (68c) enclosing the fourth port hole (50). An annular second inner edge (37) defines the second port hole (42). An annular second edge portion (58) encloses the second port hole (42) and extends between the second inner edge (37) and the second ring gasket groove portion (68b). The heat transfer plate is characterized in that the second edge portion (58) comprises annular concentric inner, intermediate and outer sections (58a, 5 58b, 58c). More than 50% of the inner section (58a) extends in the first plane (P1), and the outer section (58c) is provided with an outer corrugation pattern (61) comprising outer edge ridges (61a) and outer edge valleys (61b) which extend in and between the second plane (P2) and an imaginary third plane (P3) arranged between the first and second planes (P1, P2)
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
22.
HEAT TRANSFER PLATE, GASKET ARRANGEMENT, CASSETTE AND HEAT EXCHANGER
A heat transfer plate (8, 8a), a gasket arrangement (72), a cassette (57) and a heat exchanger (2) are provided. The plate (8, 8a) comprises a center part (36), imaginary first and second borderlines (47, 55) defining a longitudinal extension of the center part (36). The center part (36) comprises a heat transfer 5 area (46) provided with a corrugation pattern comprising alternately arranged HT ridges (60) and HT valleys (62) extending in and between first and second planes (P1, P2). The plate (8, 8a) comprises a gasket groove (68) comprising a field gasket groove portion (68a) with a bottom (70a) extending at least partly between the first and second planes (P1, P2), and second and fourth ring 0 gasket groove portion (68b, 68c) with bottoms (70b, 70c) at least partly extending between the first and second planes (P1, P2). Further, the plate (8, 8a) comprises a first inner edge portion (61) and a first outer edge portion (63) extending along each other, from the first borderline (47) to the second borderline (55) and on an outside of the field gasket groove portion (68a). The 5 first inner edge portion (61) extends between the field gasket groove portion (68a) and the first outer edge portion (63). The plate (8, 8a) is characterized in that more than 50% of the first outer edge portion (63) extends in the first plane (P1). 0 To be published with Fig. 10
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
The present invention relates to a stack of substantially flat plates stacked one on top of the other along a stacking (Z) direction, wherein each plate is extending in a horizontal direction being perpendicular to the stacking direction and being defined by a longitudinal (X) and a transversal (Y) direction, the substantially flat plates defining at least a first plate interspace (21) between a first plate (11) and an opposing second plate (12) and at least a second plate interspace (22) between the second plate (12) and an opposing third plate (13), wherein the first and the second interspaces (21, 22) are arranged in the stacking (Z) direction, wherein the second plate (12) has at least a first bend (121) defining a first angled part (12a) of the plate having an extension deviating from the horizontal direction, wherein the second plate (12) has at least a second bend (122) defining a second angled part (12b) of the plate having an extension deviating from the horizontal direction in a different direction than the first angled part (12a), and wherein a distance (d) of any of the first and the second interspaces (21, 22) is less than a thickness (t) of any of the plates (11, 12, 13).
The present invention provides a method (100) for operating a centrifugal separator (1) for separating at least one liquid phase from a liquid feed mixture The centrifugal separator (1) is comprising a rotatable centrifuge bowl (3) in which the separation takes place. The method is comprising the steps of a) rotating (101) the centrifugal bowl (3) at first rotational speed (S1); b) supplying (102) a liquid feed mixture to the centrifuge bowl (3); c) separating (103) said liquid feed mixture in the centrifuge bowl (3) into at least one liquid phase at said first rotational speed (S1); d) measuring (104) a parameter (Ax) related to the separation performance of the centrifugal separator (1) and/or a parameter (Bx) of the liquid feed mixture supplied to the centrifuge bowl (3); e) changing (105) the rotational speed of the centrifuge bowl (3) from the first rotational speed (S1) to a second rotational speed (S2) based on the measured parameter of step d); and f) separating (106) said liquid feed mixture in the centrifuge bowl (3) into at least one liquid phase at said second rotational speed (S2). The present invention further provides a centrifugal separator (1) for separating at least one liquid phase from a liquid feed mixture.
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 1/20 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
B04B 11/04 - Periodical feeding or dischargingControl arrangements therefor
B04B 13/00 - Control arrangements specially designed for centrifugesProgramme control of centrifuges
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
A heat transfer plate (8, 8a), a cassette (57) and a heat exchanger (2) are provided. The heat transfer plate (8, 8a) comprises an upper distribution area (44), an upper transition area (45) and a heat transfer area (46) provided 5 with a heat transfer corrugation pattern, a distribution corrugation pattern and a transition corrugation pattern, respectively. The transition corrugation pattern comprises tops (60) extending in an imaginary top plane (TP) facing the front side (30) of the heat transfer plate (8, 8a) and bottoms (62) extending in an imaginary bottom plane (BP) facing the back side (32) of the heat transfer plate 0 (8, 8a). A bottom pitch (bp) between the bottoms (62) is essentially constant within more than 50% of the upper transition area (45). The heat transfer plate (8, 8a) is characterized in that a respective largest back cross section (BC) of a back corrugation volume (BV) between each two adjacent ones of the bottoms (62) and enclosed by the bottom plane (BP) and the heat transfer plate (8, 8a), 5 which back cross section (BC) is taken perpendicular to a longitudinal extension (lt) of the top (60) extending between said two adjacent ones of the bottoms (62), is varying.
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
The present invention relates to a frame for a decanter centrifuge. The frame comprising two elongated box-shaped beams extending parallel relative to each other between a first end and a second end. Each box-shaped beam comprising at least two ground supports at a third position at a fourth position, respectively. The third position being located adjacent the first end and the fourth position being located adjacent the second end. Each box-shaped beam further comprising a C-shaped beam defining two horizontal flanges and a vertical web interconnecting the two horizontal flanges and a vertical plate interconnecting the two horizontal flanges opposite the vertical web. The reinforcement plates extending in the longitudinal direction between a third end and a fourth end. The third end and the fourth end being located between the first end and the second end.
B04B 1/20 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
F16M 1/08 - Frames or casings of engines, machines, or apparatusFrames serving as machinery beds characterised by being built-up of sheet material or welded parts
28.
A DECANTER CENTRIFUGE FOR SEPARATING FEED MATERIAL
The present invention relates to a conveyor screw for a decanter centrifuge The conveyor screw defines a cylindrical portion and a conical portion and comprises a central body. The conveyor screw defines a first flight attached to the central body. The first flight defines a first diameter and a pitch angle being less than 20°. The conveyor screw further defines a second flight attached to the central body. The second flight has the same winding direction as the first flight and being at least partially intertwined with the first flight. The second flight defines a pitch angle being greater than 30° and the second diameter being smaller than the first diameter.
B04B 1/20 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
The present disclosure relates to a method of a control system (50) of controlling operation of a centrifugal separator (10), a control system (50) performing the method and a centrifugal separator (10) comprising the control system (50). In an aspect, a method of a control system (50) of controlling operation of a centrifugal separator (10) is provided. The method comprises supplying (S101) control signals to a variable frequency drive (30, VFD), configured to control at least one of torque and speed of a motor (13) causing a rotational member (11, 12) of the separator (10) to rotate for separating a fluid mixture into at least a first component and a second component, the VFD (30) controlling (S102) the at least one of the torque and speed of the motor (13) based on monitored (S103) operational mode of the separator (10), receiving (S104) data indicating that the operational mode of the separator (10) should be adjusted, and supplying (S105), in response to the received data indicating that the operational mode of the separator (10) should be adjusted, updated control signals to the VFD (30) for adjusting the operational mode of the separator (10).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
A filter arrangement for a fluid handling system, includes: a filter housing having a fluid inlet, and first and second outlets; a filter element displaceable in a linear direction in the filter housing to a first position and to a second position; and a valve arrangement displaceable in the linear direction together with the filter element. The valve arrangement comprises first and second valve discs configured to control a fluid flow in the filter housing and through the filter element. When the filter element is displaced in the first position, fluid flow is directed through the filter in a first direction, and the first valve disc is displaced to close the second outlet; and when the filter element is displaced in the second position, fluid flow is directed through the filter in a direction opposite the first direction, and the second valve disc is displaced to close the first outlet.
B01D 29/66 - Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
B01D 29/23 - Supported filter elements arranged for outward flow filtration
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
Centrifugal separators; pumps; heat exchangers (parts of
machines); valves for machines; agitators; filters being
parts of machines; hydrotreated vegetable oil (HVO),
biofuel, fuel, oil or fat refining or pretreatment machines;
refining machines, namely separators, pumps, heat exchangers
(parts of machines), valves, filters or agitators for
refining of renewable fuel, hydrotreated vegetable oil
(HVO), fat and oil; oil separators; separators (machines);
hydrotreated vegetable oil (HVO) refining or pretreatment
plants and machines, namely separators, pumps, heat
exchangers (parts of machines), valves, filters or
agitators. Fuel, hydrotreated vegetable oil (HVO), fat or oil purifying
or pretreatment installations or plants; fuel, hydrotreated
vegetable oil (HVO), fat and oil purifying or pretreatment
installations or plants namely heat exchangers and filters
for filtering liquids; heat exchangers.
The disclosure relates to a disc arrangement (1) for a centrifugal separator (2), the disc arrangement (1) comprises: a truncated cone shaped top disc (4) comprising a top circumference (6), a base circumference (8), an outer conical surface (10) and an inner conical surface (12); a neck device (14) attached to the top circumference (6) of the top disc (4); and at least three wing elements (18) connected to the neck device (14). The wing elements (18) are configured to rest on and extend along the outer conical surface (10) of the top disc (4).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 7/14 - Inserts, e.g. armouring plates for separating walls of conical shape
33.
A CENTRIFUGAL SEPARATOR HAVING A HERMETIC INLET AND OUTLET
A centrifugal separator for separating at least one liquid phase from a liquid feed mixture includes a centrifuge bowl arranged for rotation around an axis of rotation; a distributor dividing the centrifuge bowl interior into a central inlet chamber and an annular separation space; an inlet formed by a stationary inlet pipe and the central inlet chamber; a first liquid outlet for a separated liquid light phase arranged at the top of the centrifuge bowl at radius that is larger than the radius of the stationary inlet pipe; and a first stationary outlet pipe for receiving the separated liquid light phase from the first liquid outlet. The inlet is a hermetic inlet and the first stationary outlet pipe is hermetically sealed to the centrifuge bowl. The centrifugal separator includes a gap connecting the first liquid outlet or the first stationary outlet pipe to the inlet. The gap is not part of a mechanical seal and has an axial width that is more than 0.1 mm and is arranged for providing a leakage of separated liquid light phase from the first liquid outlet or the first stationary outlet pipe to the inlet during operation of the centrifugal separator.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
B04B 11/06 - Arrangement of distributors or collectors in centrifuges
34.
PREVENTION OF MICROBIOLOGICAL GROWTH IN HEAT EXCHANGERS
A heat exchanger assembly is proposed comprising: a heat exchanger forming one or more electrically connected partitions separating a first fluid and a second fluid. The assembly further comprises: a first electrical connector and a second electrical connector that are operationally connected to the partitions of the heat exchanger and an electrical power source operationally connected to the first electrical connector and the second electrical connector. The electrical power source is configured to supply an electric current to the one or more partitions of the heat exchange via the first electrical connector and the second electrical connector.
F28F 19/00 - Preventing the formation of deposits or corrosion, e.g. by using filters
A23B 2/46 - Preservation of foods or foodstuffs, in general by heating loose unpacked materials while they are progressively transported through the apparatus with transport through tubes
F28D 7/16 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
F28F 13/16 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying an electrostatic field to the body of the heat-exchange medium
35.
AMMONIA MITIGATION SYSTEM FOR AMMONIA FUEL SUPPLY SYSTEM AND AMMONIA ENGINE AND A METHOD FOR OPERATING THE MITIGATION SYSTEM
The disclosure relates to an ammonia mitigation system (100) for receiving ammonia-containing streams generated by vent gases and/or vent streams during purging of an ammonia fuel supply system (10) and/or ammonia-fueled engine (20), the system being in fluid communication with an exhaust piping (160) leading the ammonia-containing streams with reduced ammonia content to the atmosphere, the system comprising: a first ammonia mitigating device (130); a second ammonia mitigating device (140); a first supply line (111) for ammonia-containing streams arranged in fluid communication with the ammonia fuel supply system (10) and the first and second ammonia mitigating devices (130; 140); a second supply line (112) for ammonia-containing streams in fluid communication with the ammonia-fueled engine (20), the ammonia fuel supply system (10) and the first and second ammonia mitigating devices (130; 140); and a valve device (150) configured to fluidly connect the first and second supply lines, and the first and second ammonia mitigating devices (130; 140). The disclosure also relates to a method of operating the system.
A heat transfer plate (8, 8a, 8b, 8c) and a cassette (57) are provided. The heat transfer plate (8, 8a, 8b, 8c) comprises an upper end part (26) with first and second port holes (40, 42), a center part (28) with a heat transfer area (46) and a lower end part (30) with third and fourth port holes (48, 50). Further, the heat transfer plate (8, 8a, 8b, 8c) further comprises a sealing groove (64) comprising a field sealing groove portion (64a) enclosing the heat transfer area (46) and two of the first, second, third and fourth port holes (40, 42, 48, 50). The heat transfer plate (8, 8a, 8b, 8c) further comprises a gasket groove (68) comprising a field gasket groove portion (68a) enclosing the heat transfer area (46) and two of the first, second, third and fourth port holes (40, 42, 48, 50) which are not enclosed by the field sealing groove portion (64a). The heat transfer plate (8, 8a, 8b, 8c) is characterized in that the first port hole (40) and the third port hole (48) are non-circular and the second port hole (42), and the fourth port hole (50) are circular.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28F 13/08 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by varying the cross-section of the flow channels
Filters being parts of machines; filters for separators;
filter housings being parts of machines; filters for
internal combustion engines; anti-pollution devices for
motors and engines; filter housings being parts of engines;
filters [parts of machines or engines]; filters for cleaning
cooling air or exhaust gases (for engines); filters for hot
gases for use with internal combustion engines; filters
(parts of machines or engines) in the form of metal filters,
filters which are automatically cleaned, filters for
petroleum products; oil filters and fuel filters and filters
for vehicles. Air filters for household or industrial purposes; water
filters for household or industrial purposes; filters for
industrial installations with automatic cleaning; filters
for water purifiers; filters for air extractor hoods;
filters for fume extractors; filters for air conditioning;
filter for waste gas purification; filters for cleaning air;
filters for use with apparatus for water supply; filters for
drinking water; filters for gas extractors; water treatment
filters; filters apparatus for water supply installations;
filters for sanitary water distribution apparatus; filters
for use with apparatus for ventilating; filter elements for
the air vents of water supply tanks; filter elements for the
overflows of water supply tanks; filters for gases
[household or industrial installations]; filters for water
or other liquids [parts of household or industrial
installations]; filters for use with apparatus for steam
generating; filters for use with apparatus for heating or
refrigerating.
The disclosure relates to a heat exchanger plate (1a, 1b) for a plate heat exchanger (2), the heat exchanger plate (1a, 1b) is divided into a left half (6) and a right half (6) by a longitudinal center axis (Y), which left half (4) and right half (6) are delimited by a first long side (8) and second long side (10), respectively, and wherein the heat exchanger plate (1a, 1b) further is divided into an upper half (12) and a lower half (14) by a transverse center axis (X), which upper half (12) and a lower half (14) are delimited by a first short side (16) and second short side (18), respectively, and wherein the heat exchanger plate (1a, 1b) comprises a porthole (20a) arranged within the left half (4) and the upper half (12). The shape of the porthole (20a) is defined by a number of circular arcs (A1, A2, A3, A4, A5), wherein individual radiuses (R1, R2, R3, R4, R5) of the circular arcs (A1, A2, A3, A4, A5) have a sequence of decreasing and increasing relationships in a clockwise direction of the porthole (20a) starting from the largest radius (R1, R2, R3, R4, R5). The disclosure further relates to a plate heat exchanger (2).
F28D 5/00 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
39.
CENTRIFUGAL SEPARATION SYSTEM AND METHOD OF OPERATING A CENTRIFUGAL SEPARATOR
A centrifugal separator includes a rotor, and a control system. The control system includes a first and a second pressure sensor arranged at first and second radial positions in a separation space of the rotor. The first and second pressure sensors are positioned to be submerged in process liquid during operation of the centrifugal separator. A control unit of the control system is configured to determine a parameter of the process liquid within the separation space during operation of the centrifugal separator based on measurements from the first and second pressure sensors.
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 13/00 - Control arrangements specially designed for centrifugesProgramme control of centrifuges
In a method for determining gas presence in a fluid system of a centrifugal separator including a rotatable assembly, the fluid system includes a separation space in the rotatable assembly, an inlet passage into the separation space, and at least a first outlet passage from the separation space. The method includes providing a feed liquid into the separation space, closing all outlet passages, supplying further feed liquid to the inlet passage, measuring a pressure increase interval within the fluid system, measuring a time period, and determining whether gas is present in the fluid system based on a result of the measuring steps.
A locking mechanism for the cover of a decanter centrifuge, the locking mechanism comprises: a lower part comprising a bottom bracket and a ring screw that are pivotally connected to each other and an upper part comprising a clamp and a top nut. The upper part and the lower part are operably connected. The top nut along internal surface includes an internal threaded section, an upper section having an inner diameter larger than the inner diameter of the internal threaded section, and a stopping surface interconnecting the internal threaded section and the upper section. The ring screw along the external surface includes an external threaded section adapted to mesh with the internal threaded section of the top nut, an unthreaded section having an outer diameter smaller than the outer diameter of the external threaded section, and an end washer fixed to the end of the unthreaded section.
Centrifugal separators; pumps; heat exchangers (parts of machines); valves for machines; agitators; filters being parts of machines; hydrotreated vegetable oil (HVO), biofuel, fuel, oil or fat refining or pretreatment machines; refining machines, namely separators, pumps, heat exchangers (parts of machines), valves, filters or agitators for refining of renewable fuel, hydrotreated vegetable oil (HVO), fat and oil; oil separators; separators (machines); hydrotreated vegetable oil (HVO) refining or pretreatment plants and machines, namely separators, pumps, heat exchangers (parts of machines), valves, filters or agitators. Fuel, hydrotreated vegetable oil (HVO), fat or oil purifying or pretreatment installations or plants; fuel, hydrotreated vegetable oil (HVO), fat and oil purifying or pretreatment installations or plants namely heat exchangers and filters for filtering liquids; heat exchangers.
The present invention provides a method (100) of separating a liquid mixture into at least a light phase and a heavy phase in a centrifugal separator (1) The centrifugal separator (1) comprises a centrifuge bowl (5) and a drive member (3) for rotating the centrifuge bowl around an axis of rotation (X). The centrifuge bowl (5) further comprises an inlet (14) for receiving the liquid mixture, a first outlet (7) for said separated light phase and a second outlet (6) for a separated heavy phase, and wherein the centrifuge bowl (5) encloses a separation space (9a) and a sludge space (9b) that is arranged radially outside the separation space (9a). The centrifuge bowl (5) further comprises at least one outlet conduit (30) for transport of heavy phase from said sludge space (9b) to the second outlet (6). The method (100) comprises the steps of a) rotating (101) the centrifuge bowl (5) at a first speed and b) supplying (102) liquid mixture to be separated to the inlet (14) of the centrifuge bowl (5). The method further comprises the steps c) of rotating (103) a member (30, 42) in the sludge space (9b) at second speed other than said first speed to facilitate transport of heavy phase from said sludge space (9b) into said at least one outlet conduit (30) and a step d) of discharging (104) a separated light phase from said first outlet (7) and a separated heavy phase from said second outlet (6). Steps c and a) are performed simultaneously so that the member (30, 42) in the sludge space (9b) rotates at a differential speed as compared to the centrifuge bowl (5).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
A method of producing a low-fat product from a starting material made of a fat and/or oil containing plant- or animal item includes providing the starting material at a temperature of at least 35° C. and extracting a greater part of the extractable oil and/or fat originally contained in the plant or animal item from the starting material using a first decanter centrifuge. The first decanter centrifuge is thereby leaving a residue of solids and liquids. The residue is forming the low-fat product.
The present invention provides a centrifugal separator (1) for separating a liquid mixture into at least a light phase and a heavy phase The separator comprises a centrifuge bowl (5) and a drive member (3) for rotating the centrifuge bowl around an axis of rotation (X). The centrifuge bowl (5) further comprises an inlet (14) for receiving the liquid mixture, a first outlet (7) for said separated light phase and a second outlet (6) for said separated heavy phase, and wherein the centrifuge bowl (5) encloses a separation space (9a) and a sludge space (9b). The separation space (9a) further comprises a stack (10) of separation discs arranged coaxially around the axis of rotation (X) and wherein the sludge space (9b) is arranged radially outside the stack (10) of separation discs. The centrifuge bowl (5) further comprises at least one outlet conduit (30) for transport of heavy phase from said sludge space (9b) to the second outlet (6). At least one outlet conduit (30) is arranged at least with a portion within the stack (10) of separation discs.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
B04B 7/14 - Inserts, e.g. armouring plates for separating walls of conical shape
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Condition monitoring, steering and control apparatuses; Condition monitoring, steering and control software. Machine condition monitoring; Software as a service (SaaS) for machine condition monitoring, machine control and steering.
A centrifugal pump housing comprises a rear housing part having a drive shaft opening, a front housing part attachable to the rear housing part for forming a pump chamber, and a sealing arrangement for sealing the drive shaft opening. The sealing arrangement comprises a stationary annular seal element that is rotationally locked and that has a stationary plane seal surface facing forwards in the axial direction, and a rotatable annular seal element configured to be rotationally locked. The rotatable annular seal element has a rotatable plane seal surface facing rearwards in the axial direction and configured to sealingly abut against the stationary plane seal surface. Stationary protrusions are integrally formed in the rear housing part or in the sealing retainer, and are located in or adjacent the drive shaft opening for increasing the turbulence of a flow of product fluid in the pump housing adjacent to the sealing arrangement.
An actuator arrangement configured to be controlled by a control unit and to control a flow control arrangement includes a housing, a first valve stem configured to be connected to and control movement of a first valve member of the flow control arrangement, a second valve stem configured to be connected to and control movement of a second valve member of the flow control arrangement, a first electrical motor comprising a first rotor and a first stator, the first rotor being rotatable about the longitudinal axis, a second electrical motor comprising a second rotor and a second stator, the second rotor being rotatable about the longitudinal axis, wherein the first rotor is configured to provide a first movement of the first valve stem and the second rotor is configured to provide a first movement of the second valve stem. A method for moving the first valve stem is also disclosed.
A centrifugal separator for separating at least one liquid phase from a liquid feed mixture includes a frame, a drive member and a rotatable part. The drive member is configured to rotate the rotatable part in relation to the frame around an axis of rotation. The rotatable part includes a centrifuge bowl enclosing a separation space. The separation space includes surface enlarging inserts for increasing the separation performance of the centrifugal separator. The centrifugal separator includes an interface level sensor for detecting at least one interface between separated phases in the centrifuge bowl during operation of the centrifugal separator; and a transmission configured for wireless transmission of information of the at least one interface to a receiver outside of the centrifuge bowl. The centrifugal separator includes a solid transmission window arranged in the wall of the centrifuge bowl, the solid transmission window having a higher transmission capacity for the wireless communication signal than the material of the centrifuge bowl.
B04B 13/00 - Control arrangements specially designed for centrifugesProgramme control of centrifuges
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 1/12 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with continuous discharge
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
G01F 23/26 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
H01M 50/109 - Primary casingsJackets or wrappings characterised by their shape or physical structure of button or coin shape
51.
PLATE HEAT EXCHANGER WITH IMPROVED FLUID LEAKAGE DETECTION SYSTEM
A plate heat exchanger (10) comprises a plurality of heat exchanger plates (12A, 12B, 14, 16) which are stacked onto one another. The heat exchanger plates (12A, 12B, 14, 16) are obtained by forming from respective metal sheets and are permanently joined to each other through a joining technology of metallic materials, so as to form a plate package (30) provided with first plate interspaces, which form respective first channels (32) of a first circulation circuit for a first fluid, second plate interspaces, which form respective second channels (34) of a second circulation circuit for a second fluid, and third plate interspaces, which form respective separation channels (36) between the first channels (32) and the second channels (34). The separation channels (36) are arranged adjacent to both the first channels (32) and the second channels (34). Each heat exchanger plate (12A, 12B, 14, 16) is provided with a plurality of portholes (P1, P2, P3, P4) which communicates with the first channels (32) and the second channels (34). Each heat exchanger plate (12A, 12B, 14, 16) is provided with one or more side edges (26, 28) which form the outer perimeter of the heat exchanger plates (12A, 12B, 14, 16). A single outlet fluid collector (38) is arranged on one of the side edges (26, 28). The separation channels (36) are sealed with respect to the first channels (32), the second channels (34) and the side edges (26, 28). The separation channels (36) are in fluid communication with the single outlet fluid collector (38) only. A single drain nozzle (40) is provided on the single outlet fluid collector (38) for the discharge to the external environment of any fluids flowing into the separation channels (36) and through the single outlet fluid collector (38).
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 1/00 - Tubular elementsAssemblies of tubular elements
F28D 20/02 - Heat storage plants or apparatus in generalRegenerative heat-exchange apparatus not covered by groups or using latent heat
52.
BRAZED PLATE HEAT EXCHANGER WITH FREEZING DETECTION SYSTEM
A brazed plate heat exchanger (10) comprises a plurality of heat exchanger plates (12A, 12B, 12C) which are stacked onto one another. The heat exchanger plates (12A, 12B, 12C) are obtained by forming from respective metal sheets and are permanently joined to each other through brazing by means of a braze material, so as to form a plate package (30) provided with first plate interspaces (32) for a first fluid and second plate interspaces (34) for a second fluid. Each of the heat exchanger plates (12A, 12B, 12C) is provided with a plurality of portholes (P1, P2, P3, P4) and with one or more side edges (26, 28) which form the outer perimeter of the heat exchanger plates (12A, 12B, 12C). The brazed plate heat exchanger (10) comprises a plurality of cells (36) having a predefined internal volume (V). Each cell (36) is integral with a corresponding heat exchanger plate (12A, 12B, 12C) and is separated by the first plate interspaces (32) and/or the second plate interspaces (34) through respective deformable wall portions (38). The deformable wall portions (38) have a mechanical strength which is lower than the average mechanical strength of the metal sheets of the heat exchanger plates (12A, 12B, 12C). At least one channel (40) is provided between each cell (36) and one of the side edges (26, 28) of the heat exchanger plates (12A, 12B, 12C), each channel (40) putting in fluid connection the internal volume (V) of the respective cell (36) with the environment outside the brazed plate heat exchanger (10).
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/00 - Plate-like or laminated elementsAssemblies of plate-like or laminated elements
The disclosure concerns a plate heat exchanger (10) comprising permanently joined first and second heat transfer plates (1', 1'') provided with a first, a second, a third, and a fourth porthole. A set of first plate interspaces (36) for a first fluid and a set of second plate interspaces (38) for a second fluid are formed between the first and second plates (1', 1''). Third portholes (32) of adjoining plates (1', 1'') form a porthole channel. The first plate interspaces (36) are arranged in fluid communication with the porthole channel. A plate pattern is configured to prevent fluid flow between the first plate interspaces (36) and the porthole channel in a direction in parallel with a longitudinal axis (LA) of the plate (1', 1'') and to guide fluid flow between the first plate interspaces (36) and the porthole channel in a direction perpendicularly to the longitudinal axis (LA).
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
Filters being parts of fluid separation machines and fluid distribution systems; filters for fluid separators; filter housings being parts of machines; filters for internal combustion engines; antipollution devices for motors and engines; filter housings being parts of engines; filters for fluid separation machines and fluid distribution systems; filters for cleaning cooling air or exhaust gases of engines; filters for hot gases for use with internal combustion engines; filters for fluid separation machines and fluid distribution systems in the form of metal filters, filters which are automatically cleaned, filters for petroleum products; oil filters and fuel filters and filters for vehicles. Air filters for household or industrial purposes; water filters for household or industrial purposes; fluid filters for industrial installations with automatic cleaning; filters for water purifiers; filters for air extractor hoods; filters for fume extractors; filters for air conditioning; filter for waste gas purification; filters for cleaning air being air filters for industrial purposes; filters for use with apparatus for water supply; filters for drinking water; filters for gas extractors; water treatment filters being filters for waste water treatment; filters for use with apparatus for water supply installations; filters for sanitary water distribution apparatus; filters for use with apparatus for ventilating; filter elements being fluid filters for mechanical purposes for water supply tanks; filter elements for the overflows of water supply tanks being water filters for mechanical purposes; filters for gases being air filters for industrial installations; filters for water or other liquids for use as parts of industrial installations; filters for use with apparatus for steam generating; filters for use with apparatus for heating or refrigerating.
A valve control device for controlling operation of a valve actuator configured to be connected to a valve member. The valve control device being configured to be removably mounted on the valve actuator and comprises: a position sensor for detecting actuating position of the valve actuator and outputting the detected position as a feedback signal; a memory device for storing position data reflecting the feedback signal from the position sensor at at least one actuating position of the valve actuator; and an electronic control unit for controlling operation of the valve actuator using the feedback signal from the position sensor and the position data from the memory device; wherein the electronic control unit is configured for automatically performing a reset of the position data of the memory device as a result of the valve control device becoming separated from, and/or assembled on, the valve actuator.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 31/04 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a motor
F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
A heat transfer plate (2a) comprising an upper transition area (16) is provided. The upper transition area (16) is provided with a transition pattern (50) comprising alternately arranged support transition ridges (60) and support transition valleys (62). A respective top portion (60t) of at least a plurality of the support transition ridges (60) extends in a first plane (P1) and a respective bottom portion (62b) of at least a plurality of the support transition valleys (62) extends in a second plane (P2). An infinite imaginary straight transition line (68) extends through two opposing end points (70, 72) of each of the support transition ridges (60) and the support transition valleys (62). The heat transfer plate (2a) further comprises a front gasket groove (46) comprising a field front gasket groove portion (46a). Along at least more than half of a length of the field front gasket groove portion (46a), a bottom (55) of the front gasket groove (46) extends between the first and second planes (P1, P2). The heat transfer plate is characterized in that the imaginary straight transition line (68), for at least a plurality of the support transition ridges (60) and the support transition valleys (62), extends parallel to the longitudinal center axis (L) of the heat transfer plate (2a).
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
The present invention provides a method (100) of operating a centrifugal separator (1). The centrifugal separator (1) comprises a centrifuge bowl (10) arranged to rotate around an axis of rotation (X) and in which the separation of a liquid mixture takes place, a stationary hood (2) which defines at least part of a surrounding space (3) in which said centrifuge bowl (10) is arranged, a drive member (4) configured to rotate the centrifuge bowl (10) around the axis of rotation (X). The centrifuge bowl (10) further comprises an inlet (11) for receiving the liquid mixture to be separated and at least one liquid outlet (12) for discharging a separated liquid phase. The method (100) comprises the steps of a) separating (101) the liquid feed mixture into at least one separated liquid phase in the centrifuge bowl (10); b) supplying (102) water from a collection tank (21) to the centrifugal separator (1) for cooling said stationary hood (2); c) collecting (105) the supplied water from step b) in said collection tank (21) after cooling said stationary hood (2) and d) resupplying (106) water from the collection tank (21) to the centrifugal separator (1) for cooling said stationary hood (2) such that a circulation loop (60) of water is formed between the centrifugal separator (1) and said collection tank (21).
B04B 15/02 - Other accessories for centrifuges for cooling, heating, or heat insulating
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 1/10 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl
B04B 15/06 - Other accessories for centrifuges for cleaning bowls, filters, sieves, inserts, or the like
58.
FLOW CONTROL ARRANGMENT AND METHOD OF CLEANING SUCH AN ARRANGEMENT
A flow control arrangement comprising a first and a second valve member, wherein the second valve member is, at an end facing the first valve member, formed with a circumferentially extending ring-shaped surface facing with a major component in a longitudinal direction, a recess being surrounded by the ring-shaped surface and being configured to receive a portion of the first valve member, and a circumferentially extending edge formed in a transition between the ring-shaped surface and the recess, wherein a second circumferentially extending gasket of the first valve member is configured to sealingly interact with the circumferentially extending edge of the second valve member when the double valve is in the open state. Also disclosed is a method of cleaning such a flow control arrangement.
A centrifugal separator for separating at least one liquid phase from a liquid feed mixture includes a frame, a drive member and a rotating part. The drive member is configured to rotate the rotating part in relation to the frame around an axis of rotation, and the rotating part includes a centrifuge bowl enclosing a separation space. The centrifuge bowl includes an inlet for receiving the liquid feed mixture, and at least one liquid outlet for a separated liquid phase. The separation space includes a stack of separation discs arranged coaxially around the axis of rotation. The separation discs include distance members arranged so that interspaces are formed between adjacent separation discs in the disc stack. A plurality of said separation discs include a throttle member other than the distance members and arranged to cause a decrease in pressure to a liquid flowing through the disc stack in the interspaces. The plurality of separation discs are configured to allow for a radial flow of liquid in the direction from the outer periphery of the discs to the inner periphery of the discs throughout a major portion of the discs.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
60.
PLATE HEAT EXCHANGER, A HEAT EXCHANGING PLATE AND A METHOD OF TREATING A FEED SUCH AS SEA WATER
The present invention relates to a plate heat exchanger for treatment of a feed. The plate heat exchanger includes a plate package comprising a plurality of heat exchanging plates and defining a heating volume, a cooling volume and a plurality of process volumes. Each of the process volumes includes an evaporation section for evaporation of a part of the feed, a separation section for separating a non-evaporated part from an evaporated part of the feed, and a condensation section being arranged to condense the evaporated part of the feed. Each heat exchanging plate defines a first thermal interface between the heating volume and the evaporation section of a first process volume, a second thermal interface between the cooling volume and the condensation section of a second process volume, and at least one further thermal interface between an evaporation section and a condensation section of two adjacent process volumes.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
A method of recovering a concentrated plant-based protein suspension comprises use of a high-speed centrifugal separator comprising a frame, a drive member and a centrifuge bowl. The drive member rotates the centrifuge bowl in relation to the frame. The centrifuge bowl encloses a separation space comprising a stack of separation discs, and comprises an inlet for receiving a plant-based protein suspension comprising suspended particles, a liquid light phase outlet for a separated liquid light phase and a liquid heavy phase outlet for a separated liquid heavy phase. The plant-based protein suspension is fed to the centrifugal separator inlet, and the plant-based protein suspension is separated into a liquid light phase and a liquid heavy phase, which comprises the concentrated protein suspension. The concentrated plant-based protein suspension is removed as the liquid heavy phase through the heavy phase outlet by influencing the discharge flow by way of a liquid flow influencer.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
A23J 1/14 - Obtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from leguminous or other vegetable seedsObtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from press-cake or oil-bearing seeds
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
The present invention provides a centrifugal separator (1) for separating at least one liquid phase from a liquid feed mixture, comprising a stationary frame (2), a drive member (3) and a rotating part (4), wherein the drive member (3) is configured to rotate the rotatable part (4) in relation to the stationary frame (2) around an axis of rotation (X), and wherein the rotatable part (4) comprises a centrifuge bowl (5) enclosing a separation space (9a); wherein the centrifugal separator (1) further comprises a mechanical seal (30, 50) for sealing between the rotatable part (4) and the stationary frame (2) during operation, the mechanical seal (30, 50) comprising a rotatable sealing ring (31) connected to the rotatable part (4), a stationary sealing ring (32) connected to the stationary frame (2); wherein the rotatable sealing ring (31) comprises at least one first sealing surface (31a) and the stationary sealing ring (32) comprises at least one second sealing surface (32a), which sealing surfaces (31a, 32a) having a contact force between each other and forming at least one sealing interface (33) between the rotatable and the stationary sealing rings (31, 32) during operation.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 1/18 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge with discharging outlets controlled by the rotational speed of the bowl controlled by the centrifugal force of an auxiliary liquid
Agitators (machines); Agitators for chemical processing; Agitators for circulating liquid media; Mixing machines; Agitators or mixers for the processing and preparation of pharmaceuticals, cosmetics, food or beverages; parts and fittings (not included in other classes) therefor.
The disclosure concerns a centrifugal separator (2) comprising a rotatable assembly (4) configured to rotate about a rotational axis (6), a casing (8, 8') which delimits at least part of a space (10), and a pump arrangement (12) connected to the space (10). The space (10) is sealed, and the pump arrangement (12) is configured to remove gas from the space (10) to provide a negative pressure within the space (10). The rotatable assembly (4) comprises a centrifuge bowl (18) arranged within the space (10). The rotatable assembly (4) is connected to a fixed structure (28) via a securing structure (30) that is rigid in at least one direction along the rotational axis (6) such that the centrifuge bowl (18) is maintainable in an axial position along the rotational axis (6) when the space (10) is subjected to the negative pressure. The securing structure (30) comprises an elongated element (32).
The present invention relates to a filtration module. The module being substantially cylindrical and extending in a longitudinal direction. The module comprising a permeate tube defining a plurality of perforations and a membrane filtration element being spirally wound around the permeate tube. The membrane filtration element being in fluid communication with at least one of the perforations. The module further comprising a wrap surrounding the wound membrane filtration element and a flap for being positioned onto and covering at least a part of the outer surface of the wrap, the wrap and the flap both being made of a fluid permeable polymeric grid material having ribs extending in the circumferential direction.
A heat exchanger includes a plurality of plates of a first and a second type. The plates of the second type have a shape which is substantially mirrored to the shape of the plates of the first type. The plurality of plates of the first and the second type are arranged in a stack on top of each other, with plates of the first and second type arranged alternatingly, with corresponding ones of dimples and ridges of adjacent plates come and stay into direct contact with each other, so that corresponding first and/or second surfaces of adjacent plates abut each other and so that flow channels for the first and second media are formed between the surfaces.
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 13/04 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation
Bioreactors for use in the treatment of wastewater and sewage and Batch reactors being waste water treatment apparatus for use in the treatment of wastewater and sewage and structural and replacement parts therefor; Waste water purification apparatus, installations and tanks and structural and replacement parts therefor; Sequencing batch reactors for activated sludge biological wastewater treatment, namely, biological wastewater treatment apparatus and systems and structural and replacement parts therefor; Floating decanters being waste water treatment apparatus for treatment, dewatering, and purification of fluids, water and sewage and structural and replacement parts therefor; Waste water treatment tanks and structural and replacement parts therefor.
The present invention relates to a process for extracting starch, fibres and protein from a plant-based raw material The process comprises supplying slurry of plant- based flour and water to a hydrocyclone system (720), which provides a first flow (F1) comprising the fibres (F) and protein (P) extracted from the plant-based raw material and a second flow (F2) comprising starch (S) extracted from the plant-based raw material. The first flow (F1) is supplied to a first centrifugal separator (S1) to provide a fibre fraction as a third flow (F3) and an aqueous protein-containing fraction as a fourth flow (F4), to which acid is added to precipitate dissolved proteins. The flow (F4) is separated into a liquid light phase comprising whey (Wh) and a heavy phase comprising concentrated protein-containing fraction (CP), by using a high- speed centrifugal disc stack separator (2; S2, 72) comprising a heavy phase outlet and/or light phase outlet that are/is arranged in fluid connection with a flow influencing means (6; 12); and wherein the separating in the second centrifugal separator (S2) comprises regulating the flows at the heavy phase and/or light phase outlets by means of the flow influencing means such that the content of the protein- containing fraction at the light phase outlet is minimized.
A23J 1/00 - Obtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites
A23J 1/14 - Obtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from leguminous or other vegetable seedsObtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from press-cake or oil-bearing seeds
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
A23J 1/12 - Obtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from cereals, wheat, bran, or molasses
70.
METHOD FOR OPERATING A SYSTEM COMPRISING A CENTRIFUGAL SEPARATOR
The present invention provides a method (100) for operating a system (1) comprising a centrifugal separator (2) for separating at least one liquid phase and a sludge phase from a liquid feed mixture. The method (100) is comprising alternating between a first and second mode of operation. The first mode of operation comprises the steps of a) supplying (101) said liquid feed mixture to be cleaned to said centrifugal separator (2), said liquid feed mixture having a first temperature; and b) discharging (102) at least one separated liquid phase from the centrifugal separator (2). The second mode of operation comprises the steps of c) stopping (103) said supply of liquid feed mixture to the centrifugal separator (2); and d) decreasing (104) the temperature of the liquid feed mixture to a second temperature and/or decreasing (105) the flow rate of the liquid feed mixture. The present invention further provides a system (1) for separating at least one liquid phase and a sludge phase from a liquid feed mixture.
C10G 31/10 - Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for with the aid of centrifugal force
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
B04B 13/00 - Control arrangements specially designed for centrifugesProgramme control of centrifuges
C10G 31/06 - Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by heating, cooling, or pressure treatment
The present invention relates to a gasket arrangement for sealing between two corrugated heat transfer plates of a plate heat exchanger. The heat transfer plates each comprising a pair of port holes. The gasket arrangement comprising an annular sealing part being arranged to enclose the pair of portholes of the heat transfer plates and define a flow path between the port holes of the pair of port holes. The gasket arrangement further comprising an attachment part connected to an inside of the annular sealing part and extending in an inwards direction relative to the annular sealing part. The attachment part defining a gasket attachment surface arranged to attach by an adhesive to a corresponding plate attachment surface of one of the heat transfer plates.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
An attachment member for fastening a gasket to a heat transfer plate comprises a bridge, a first connection member, a second connection member and a finger. The first and second connection members engage the bridge and are arranged to engage the gasket. The finger engages the bridge and extends between the first and second connection members. The first connection member comprises first and second portions, the second portion being arranged between the bridge and the first portion. The second portion of the first connection member comprises a second body, and the first portion of the first connection member comprises a first body and a first retainer projecting from a longitudinal outer side of the first body in a direction away from the finger to give the first portion of the first connection member a first width larger than a second width of the second portion of the first connection member.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
In a method of operating a centrifugal separator for separating at least one liquid phase and a sludge phase from a liquid feed mixture, the centrifugal separator includes a frame, a drive member and a centrifuge bowl. The drive member is configured to rotate the centrifuge bowl in relation to the frame around an axis of rotation. The centrifuge bowl encloses a separation space and a sludge space. The separation space includes a stack of separation discs arranged coaxially around the axis of rotation and the sludge space is arranged radially outside the stack of separation discs. The centrifuge bowl includes an inlet for receiving the liquid feed mixture, at least one liquid outlet for a separated liquid phase, and sludge outlets for a separated sludge phase arranged at the periphery of the centrifuge bowl. The method comprises a step a) of supplying a liquid feed mixture to be separated to the inlet of the centrifuge bowl, a step b) of determining a particle flow rate of the liquid feed mixture being supplied in step a), a step c) of determining a volume filled with particles within the centrifuge bowl based on the measurements of step b), and a step d) of discharging a sludge phase including the particles via the sludge outlets based on the determination of step b), wherein the discharge is of a specific volume or at a specific time point.
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 11/04 - Periodical feeding or dischargingControl arrangements therefor
The present invention relates to a plate for a plate heat exchanger for treatment of a feed. The plate defines a heating section for receiving and condensing a vaporized heating fluid. The heating section comprising a heating fluid inlet port for introducing the vaporized heating fluid into the heating section and a heating fluid outlet port for extracting a condensed heating fluid from the heating section. The plate further defines an evaporation section at least partially overlapping and defining a thermal interface with the heating section. The evaporation section comprising a feed inlet port for introducing the feed. The plate further defining a separation section and a condensation section comprising a feed outlet port for condensed feed.
The disclosure concerns a centrifugal separator comprising a rotor (4) with a rotor body (8) provided with outlet openings (10) and a slide (30) arranged within the rotor body (8) for closing the outlet openings (10). An operating chamber (32) is provided between the axially movable slide (30) and the rotor body (8) for receiving an operating liquid to displace the slide (30). An operating liquid discharge channel (34) extends in the rotor body (8) from the operating chamber (32) to an exterior space (36). A pilot valve (40) is arranged in the rotor body (8) to close and open the operating liquid discharge channel (34), and a control liquid channel (46) extends to the pilot valve (40) for supplying a control liquid thereto. A portion (46') of the control liquid channel (46) extends through the valve body (42).
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 1/10 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl
09 - Scientific and electric apparatus and instruments
Goods & Services
Electric apparatus and instruments, in relation to the
following fields: distribution of electricity for preventing
the growth of biofilm and microorganisms inside machines for
the production of hygienic products such as food,
pharmaceuticals, feed, cosmetics and beverages.
In a method of operating a centrifugal separator, the centrifugal separator includes a centrifuge bowl arranged to rotate around an axis of rotation and in which the separation of a liquid mixture takes place; a stationary frame which defines a surrounding space in which the centrifuge bowl is arranged; and a drive member configured to rotate the centrifuge bowl in relation to the frame around the axis of rotation. The centrifuge bowl includes an inlet for receiving the liquid mixture to be separated, at least one liquid outlet for discharging a separated liquid phase and an intermittent discharge system for discharging a separated sludge phase from the centrifuge bowl. The method includes supplying a liquid feed mixture to be separated to the inlet of the centrifuge bowl; separating the liquid feed mixture into at least one separated liquid phase and a separated sludge phase; and supplying hydraulic fluid to the intermittent discharge system to initiate discharge of a separated sludge phase from the centrifuge bowl. The amount of supplied hydraulic fluid is determined by the magnitude of a generated trigger signal Tgen and the magnitude of the generated trigger signal Tgen is dependent on the air pressure around the centrifuge bowl.
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 15/08 - Other accessories for centrifuges for ventilating or producing a vacuum in the centrifuge
78.
A METHOD OF SEPARATING A LIQUID MIXTURE IN A CENTRIFUGAL SEPARATOR
In a method of separating a liquid mixture in a centrifugal separator, the centrifugal separator includes a centrifuge bowl arranged to rotate around an axis of rotation and in which the separation of a liquid mixture takes place; a frame which delimits a surrounding space that is sealed relative the surroundings of the frame and in which the centrifuge bowl is arranged; a drive member configured to rotate the centrifuge bowl in relation to the frame around the axis of rotation, wherein the centrifuge bowl further comprises an inlet for receiving the liquid mixture to be separated, at least one liquid outlet for discharging a separated liquid phase and a sludge outlet for discharging a separated sludge phase to the surrounding space and a vessel connected to the surrounding space and arranged for collecting the separated sludge phase discharged from the centrifuge bowl. The method includes supplying a liquid feed mixture to be separated to the inlet of the centrifuge bowl; separating the liquid feed mixture into at least one separated liquid phase and a separated sludge phase; removing gas from the surrounding space to obtain a sub-atmospheric pressure in the surrounding space; discharging a separated sludge phase to the surrounding space; collecting the sludge phase in the vessel; removing the sludge phase from the vessel; and spraying liquid into the vessel after removing the sludge phase from the vessel to reduce the level of foam present in the vessel.
B04B 15/04 - Other accessories for centrifuges for suppressing the formation of foam
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 11/04 - Periodical feeding or dischargingControl arrangements therefor
B04B 15/08 - Other accessories for centrifuges for ventilating or producing a vacuum in the centrifuge
79.
METHOD AND ARRANGEMENT FOR HANDLING VENT GAS MIXTURE
A method for handling a vent gas mixture originating from a fuel system and comprising fuel vapours and inert gas. The method involves: directing the vent gas mixture from the fuel system to a condenser, the condenser condensing at least a majority of the fuel vapours into liquid fuel such that the vent gas mixture comprises liquid fuel and inert gas, separating the liquid fuel and the inert gas of the vent gas mixture from the condenser in a vapour-liquid separator, and selectively directing the liquid fuel from the separator to a boiler system, when the boiler system is in a hot condition and is ready to receive and combust the liquid fuel of the vent gas mixture, or storing the liquid fuel in the separator and/or in a separate storage tank until the boiler system is in the hot condition and is ready to receive/combust the liquid fuel.
F23G 7/06 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
B01D 53/00 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
B63H 21/38 - Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
B63J 99/00 - Subject matter not provided for in other groups of this subclass
F23D 17/00 - Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel
80.
AN ARRANGEMENT HANDLING PURGED ALCOHOL-BASED FUEL AND A METHOD THEREOF
An arrangement and a method for handling purged alcohol-based fuel originating from an alcohol fuel system configured to fuel an alcohol fueled engine, the arrangement comprising: a boiler system comprising a burner and a fuel inlet configured to selectively supply a fuel and thereby selectively sustain a primary flame in the burner for production of heat and/or steam in the boiler system, a purge connection configured to receive a purge mixture purged from the alcohol fuel system using an inert gas, the purge mixture comprising a mixture of the inert gas and purged alcohol-based fuel, and a vapor-liquid separator.
F23K 5/18 - Cleaning or purging devices, e.g. filters
B01D 45/02 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
B63H 21/38 - Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
B63J 99/00 - Subject matter not provided for in other groups of this subclass
C10L 1/02 - Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
F23C 1/08 - Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in air liquid and gaseous fuel
F23G 7/06 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
A centrifugal separator for separating a fluid mixture into a first component and a second component, wherein the second component is denser than the first component, includes a rotating bowl, which is rotatably supported by a frame around a rotational drive shaft, and which rotational drive shaft is rotatable around an axis of rotation; an electrical motor connected to the rotational drive shaft; an inlet to the rotating bowl; a first outlet for the separated lighter first component of the fluid mixture; and a second outlet for the separated second component of the fluid mixture; and a cooling device including a body connected to the frame, wherein the body includes a central opening provided with an inner peripheral surface, which is connected to a stator of the electrical motor; and wherein the body further includes an outer peripheral surface; and a cooling coil arranged in the body and extending circumferentially around the central opening, wherein the cooling coil includes a tube provided with an inlet opening and an outlet opening for a cooling fluid.
Filter presses; filter presses for cooking oil; agitators;
stirrers (agitators) to circulate liquid media, in
particular cooking oil in evaporative cooling towers. Evaporators for use in the industrial crystallisation of
cooking oil; evaporators, heat exchangers, heaters, filters
or membrane filters for use in crystallisation processes of
cooking oil, in particular evaporators, heat exchangers,
heaters, filters or membrane filters for palm oil for the
separation of oil (olein) from stearin; evaporators, heat
exchangers, heaters, filters or membrane filters for use in
crystallisation processes of cooking oil, in particular palm
oil; evaporators, heat exchangers, heaters, filters or
membrane filters for use in crystallisation processes of
cooking oil, in particular palm oil; evaporators, heat
exchangers, heating apparatus, filters or membrane filter,
all the aforesaid goods for use in refineries for cooking
oil; evaporative cooling towers for use in the
crystallisation processes of cooking oil, in particular
evaporative cooling towers for separating of olein in palm
oil from stearin; evaporative cooling towers for use in the
crystallisation processes of cooking oil, in particular palm
oil; cooling evaporators; evaporative cooling towers for use
in the crystallisation processes of cooking oil, in
particular palm oil.
Separating machines; centrifugal separators; centrifuge
separators for industrial use; separating machines for use
in a system consisting of, inter alia, pipes and tanks for
enabling the reuse / recirculation of cooling water, rinse
water, drain water or waste water.
Filters being parts of machines; Filters for separators; Filter housings being parts of machines; Filters for internal combustion engines; Anti-pollution devices for motors and engines; Filter housings being parts of engines; Filters [parts of machines or engines]; Filters for cleaning cooling air or exhaust gases (for engines); Filters for hot gases for use with internal combustion engines; Filters (parts of machines or engines) in the form of metal filters, filters which are automatically cleaned, filters for petroleum products; Oil filters and fuel filters and filters for vehicles. Filters for industrial installations; Filters for industrial installations with automatic cleaning; Filters for water purifiers; Filters for air extractor hoods; Filters for fume extractors; Filters for air conditioning; Filters for waste gas purification; Filters for cleaning air; Filters for use with apparatus for water supply; Filters for drinking water; Filters for gas extractors; Water treatment filters; Filter apparatus for water supply installations; Filters for sanitary water distribution apparatus; Filters for use with apparatus for ventilating; Filter elements for the air vents of water supply tanks; Filter elements for the overflows of water supply tanks; Filters for gases [household or industrial installations]; Filters [parts of household or industrial installations]; Filters for use with apparatus for steam generating; Filters for use with apparatus for heating or refrigerating.
A heat transfer plate has a front gasket groove including an annular front groove part extending around a heat transfer area, upper and lower distribution areas, and first and third portholes, and second and fourth ring groove parts enclosing second and fourth portholes. An upper front groove portion of the front gasket groove extends between the second porthole and the upper distribution area. A lower front groove portion of the front gasket groove extends between the fourth porthole and the lower distribution area. A bottom of the upper front groove portion is inclined such that the front gasket groove depth, within the upper front groove portion, increases in a direction towards the second adiabatic area, and a bottom of the lower front groove portion is inclined such that the front gasket groove depth, within the lower front groove portion, increases in a direction towards the fourth adiabatic area.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
A method and system for producing a low-fat protein meal from an insect-based raw material involve providing an insect-based raw material, which is optionally reduced in size. The insect-based raw material is pumped to a heating step, in which the material is heated to 75 to 100° C. Optionally, the heated insect-based raw material may be submitted to a buffer/mixing tank. The heated insect-based raw material is subjected to one or more separation steps. Then, the solid phase and at least part of the aqueous protein-containing fraction, which is optionally concentrated, is subjected to drying to provide the insect-based, low-fat protein meal. Water or separated liquid heavy phase may be added to the feed upstream of the separation steps. Alternatively, a pre-separation step is included before a main separation step to provide a protein meal with reduced fat content. No enzymes or chemicals need to be added during the method.
A valve arrangement, an actuator arrangement and related methods, in which a first cleaning position is detected by mechanically transfer at least a portion of a movement of, or provided to, a first valve stem into a first movement of a second valve stem, such that a second valve member is moved towards a first conduit while the second valve member still sealingly engages a second valve seat, whereby a movement of a first valve member is detectable by a control unit by detection of the first movement of the second valve stem in a direction which extends towards the control unit.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 11/044 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
A device (1, 2), a method for electrolysis and a use of the device to perform electrolysis are provided. The device (1,2) comprises heat transfer plates (5) defining alternately arranged first and second interspaces (I1, I2) and, within these, first and second flow channels (C1, C2). A first fluid path (P1) for conveying a first fluid through the device (1, 2) extends through the first flow channels (C1). The device is characterized in that membanes (45) are arranged in the second flow channels (C2) to divide them into second primary sub channels (C2P) and a second secondary sub channels (C2S). Further, a second fluid path (P2) for conveying the second fluid through the device (1, 2) comprises a second primary fluid path (P2p) and a second secondary fluid path (P2s). The second primary fluid path (P2p) extends into and out of the second primary sub channels (C2P) via the first interspaces (I1) outside the first flow channels (C1). The second secondary fluid path (P2s) extends into and out of the second secondary sub channels (C2S) via the first interspaces (I1) outside the first flow channels (C1).
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
A corrugated heat transfer plate (5, 90, 92). It has opposing front and back sides (7, 9) and comprises a first end portion (11), a center portion (13) and a second end portion (15). It further comprises first and third portholes (17, 19) arranged within the first end portion (11), second and fourth portholes (27, 29) arranged within the second end portion (15), and a heat transfer area (4) comprising alternately arranged elongate ridges (6) and valleys (8) and being arranged within the center portion (13). An outer front field gasket groove (36) extends on the front side (7) and encloses the heat transfer area (4), while a back field sealing area (40) extends on the back side (9) and encloses the heat transfer area (4). The heat transfer plate (5, 90, 92) is characterized in that it further comprises a fifth porthole (21) arranged within the first end portion (11), a first transfer hole (25) arranged within a first half (h1) of the heat transfer plate (5, 90, 92), and a second transfer hole (35) arranged within a second half (h2) of the heat transfer plate (5, 90, 92). The first and second transfer holes (25, 35) are arranged within the outer front field gasket groove (36) and outside the back field sealing area (40). The first and second portholes (17, 27) are arranged within the back field sealing area (40), the third, fourth and fifth portholes (19, 29, 21) are arranged outside the back field sealing area (40), and the first, second, third, fourth and fifth portholes (17, 27, 19, 29, 21) are arranged outside the outer front field gasket groove (36).
C25B 9/73 - Assemblies comprising two or more cells of the filter-press type
C25B 9/77 - Assemblies comprising two or more cells of the filter-press type having diaphragms
C25B 11/03 - ElectrodesManufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
H01M 8/04276 - Arrangements for managing the electrolyte stream, e.g. heat exchange
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
A distribution arrangement (69a, 69b, 121a, 123a, 125a, 127a) configured to be positioned between two corrugated heat transfer plates (5) is provided. The distribution arrangement (69a, 69b) comprises a base portion (71) including a slab (73) with opposing front and back surfaces (79, 81). A front surface (89) and a back surface (93) of the base portion (71) comprise at least a part of the front surface (79) and the back surface (81), respectively, of the slab (73). The base portion (71) is provided with a through secondary hole (85) which extends through the front and back surfaces (89, 93) of the base portion (71) so as to form a direct secondary flow path (DS) through the base portion (71), a non-through first secondary cavity (97) which extends through the front surface (89) of the base portion (71), and at least one first secondary channel (101) extending inside the slab (73). Said at least one first secondary channel (101) connects the secondary hole (85) and the first secondary cavity (97) to form a first transferred secondary flow path (TS1) through the base portion (71).
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
C25B 9/70 - Assemblies comprising two or more cells
C25B 9/73 - Assemblies comprising two or more cells of the filter-press type
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
C25B 11/02 - ElectrodesManufacture thereof not otherwise provided for characterised by shape or form
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
A gasket arrangement (G) for sealing between two corrugated heat transfer plates (5) is provided. The gasket arrangement (G) comprises an annular field gasket part (41) enclosing a field gasket area (A1), and a plurality of annular ring gasket parts (47c, 47d, 47e, 47f) arranged outside said field gasket area (A1). Each of said plurality of annular ring gasket parts (47c, 47d, 47e, 47f) encloses a ring gasket area (A2) which is smaller than the field gasket area (A1) and extends in a central extension plane (p2) of the ring gasket parts (47c, 47d, 47e, 47f). A third and a fourth ring gasket part (47c, 47d) of said plurality of annular ring gasket parts (47c, 47d, 47e, 47f) are arranged on opposite sides of a transverse center axis (T1) of the field gasket area (A1). The gasket arrangement (G) is characterized in that a fifth ring gasket part (47e) of said plurality of annular ring gasket parts (47c, 47d, 47e, 47f) is arranged on the same side of the transverse center axis (T1) as the third ring gasket part (47c). Further, the third and fifth ring gasket parts (47c, 47e) are arranged on opposite sides of a longitudinal center axis (L1) of the field gasket area (A1). Further, the longitudinal center axis (L1) of the field gasket area (A1) extends through 1 of said plurality of annular ring gasket parts (47c, 47d, 47e, 47f).
C25B 9/73 - Assemblies comprising two or more cells of the filter-press type
C25B 9/77 - Assemblies comprising two or more cells of the filter-press type having diaphragms
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
A centrifugal separator includes a bowl, a housing, a stationary liquid passage device, and a sealing arrangement. A first axial end face of a first seal member is arranged in the stationary liquid passage device and a first sealing surface is arranged in the bowl. A second axial end face of a second seal member is arranged in the stationary liquid passage device and a second sealing surface is arranged in the bowl. The respective end faces and surfaces are positioned in sealing abutment. The second seal member is separate from the first seal member and the first and second seal members are separable from the first and second sealing surfaces with a release of the stationary liquid passage device from the housing.
B04B 11/02 - Continuous feeding or dischargingControl arrangements therefor
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 15/02 - Other accessories for centrifuges for cooling, heating, or heat insulating
F16J 15/34 - Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
In a modular centrifugal separator system and an exchangeable separation insert, a separation aid is arranged in a separation space of the separation insert. The separation aid includes a number of separation sheets, each separation sheet comprising axially extending surfaces. A fluid connection for a separated heavy phase is arranged at a first axial end portion of the insert, and a fluid connection for a liquid feed mixture is arranged at a second axial end portion of the insert.
B04B 1/04 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
A sealing arrangement (S1, S2) for sealing between two corrugated heat transfer plates (5, 90, 92) is provided. It comprises an annular outer field gasket part (86) enclosing an outer field gasket area (AO), and a plurality of annular ring gasket parts (49) arranged outside the outer field gasket area (AO). A first, a third and a fifth ring gasket part (49a, 49c, 49e) of said plurality of ring gasket parts (49) are arranged on one side of a transverse center axis (TA) of the outer field gasket area (AO). A second and a fourth ring gasket part (49b, 49d) of said plurality of ring gasket parts (49) are arranged on the other side of the transverse center axis (TA). The third and fifth ring gasket parts (49c, 49e) are arranged on opposite sides of a longitudinal center axis (LA) of said outer field gasket area (AO). The sealing arrangement (S1, S2) further comprises a separation means (6) extending within, and closing, the outer field gasket area (AO). The separation means (6) includes a membrane (45).
C25B 9/73 - Assemblies comprising two or more cells of the filter-press type
C25B 9/77 - Assemblies comprising two or more cells of the filter-press type having diaphragms
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
To fasten a gasket to a heat transfer plate, an attachment device includes a connection member, a first finger, a second finger and a bridge. A first connection part of the connection member is arranged to engage with the gasket and a second connection part of the connection member engages with the bridge. A connection part of the first finger engages with the bridge and a connection part of the second finger engages with the bridge. The first and second fingers are arranged to extend from the bridge towards the gasket. The connection member extends between the first and second fingers. The connection member includes a first portion with a first width and a second portion with a second width. The second portion is arranged closer to the bridge than the first portion, and the second width is smaller than the first width.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
96.
MODULAR CENTRIFUGAL SEPARATOR SYSTEM AND COMPONENTS THEREOF
A modular centrifugal separator system includes a base unit, an exchangeable separation insert arranged therein, an exchangeable tube kit, and an interface for fluid communication between the exchangeable separation insert and the exchangeable tube kit. The exchangeable separation insert includes a rotor casing forming a separation space, and a first half of the interface. The exchangeable tube kit includes at least one tube for one of the liquid feed mixture, the heavy phase, and the light phase, and a second half of the interface. The modular centrifugal separator system includes a removable sealing member covering the first and/or second half of the interface.
B04B 1/06 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of cylindrical shape
The present invention provides a centrifugal separator (1) for separating at least one liquid phase from a liquid feed mixture-. The centrifugal separator (1) is comprising a frame (2), a drive member (3) and a rotating part (4), wherein the drive member (3) is configured to rotate the rotating part (4) in relation to the frame (2) around an axis of rotation (X), and wherein the rotating part (4) comprises a centrifuge bowl (5) enclosing a separation space (9). The centrifuge bowl (5) further comprises an inlet (14) for receiving the liquid feed mixture and at least one liquid outlet (6,7) for a separated liquid phase; wherein the separation space (9) comprises surface enlarging inserts (10) for increasing the separation performance. The centrifuge bowl (5) comprises a bowl wall (30), in which a first (31) and a second (32) channel extend, wherein the first (31) and second (32) channels extend in different directions (D1, D2) but intersect at an intersection point (Y) in which there is a fluid contact between said first (31) and second (32) channels. The first channel (31) is arranged such that during rotation of the centrifuge bowl (5), stress concentration regions (40) in the bowl wall (30) are generated on two opposing sides (31a, 31b) of the first channel (31) and lower stress regions (41) are generated in the bowl wall (30) on the other two opposing sides (31c, 31d) of the first channel (31), as seen in the cross-section in the plane (A) perpendicular to the direction (D1) of the first channel (31). The second channel (32) is arranged so that it intersects the first channel (31) with its center line (Z2) shifted towards a lower stress region (31c,d), as seen in the cross-section in the plane (A) perpendicular to the direction (D1) of the first channel (31).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
The disclosure relates to a methanol fuel supply system (1) for supplying methanol fuel (2) to a marine fuel consuming device (4), the system (1) comprising: a fuel storage tank (6) configured to contain methanol fuel (2) to be delivered to the fuel consuming device (4); a first fuel pump (8), which is fluidly connected to the fuel storage tank (6) and to the fuel consuming device (4). The system (1) comprises a recovery tank (10), which is fluidly connected to the fuel consuming device (4), which recovery tank (10) is configured to collect and recover methanol fuel (2) purged from the fuel consuming device (4). The disclosure further relates to a method for operating the methanol fuel supply system (1).
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
B63H 21/38 - Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Electric apparatus and instruments, in relation to the following fields: distribution of electricity for preventing the growth of biofilm and microorganisms inside machines for the production of hygienic products such as food, pharmaceuticals, feed, cosmetics and beverages.
09 - Scientific and electric apparatus and instruments
Goods & Services
Electric apparatus and instruments, in particular, apparatus and instruments for controlling the distribution of electricity for preventing the growth of biofilm and microorganisms inside machines for the production of hygienic products, in particular food, pharmaceuticals, feed, cosmetics and beverages.