An air diffuser includes: a bottom panel provided in a horizontal direction in a tank in which water is filled; an air diffusion body installed to cover the bottom panel from above; and air diffusion holes arranged to penetrate through the air diffusion body, gas fed to a gap between the bottom panel and the air diffusion body is discharged into water through the air diffusion holes, and an air diffusion region of the air diffusion body where the air diffusion holes are arranged has a width equal to or larger than 10 mm and smaller than 120 mm. A method of treating water using the air diffuser includes supplying air to the air diffuser at a volume of equal to or smaller than 60 [Nm3/(m2·hr)].
A conveyor device 1 comprises: a first drive pulley 5 that grips a first shaft part 20 provided to a central part of a first travel wheel 19A provided to a conveyance carriage 18 that cycles between a first conveyance path 3 and a second conveyance path 4, and that rotates so as to move the conveyance carriage 18 in an arcuate shape from the first conveyance path 3 to the second conveyance path 4; a synchronous pulley 6 that grips a second travel wheel 19B provided to the conveyance carriage 18, and that rotates synchronously at least with the first drive pulley 5 so as to move the conveyance carriage 18 in an arcuate shape from the first conveyance path 3 to the second conveyance path 4; and a second drive pulley 7 that grips a second shaft part 21 provided to a central part of a third travel wheel 19C provided to the conveyance carriage 18, and that rotates synchronously at least with the first drive pulley 5 so as to move the conveyance carriage 18 in an arcuate shape from the first conveyance path 3 to the second conveyance path 4.
B65G 17/16 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriersEndless-chain conveyors in which the chains form the load-carrying surface comprising individual load-carriers which are pivotally mounted, e.g. for free-swinging movement
B65G 21/22 - Rails or the like engaging sliding elements or rollers attached to load-carriers or traction elements
3.
CONTAINER-TYPE TRICKLING FILTER DEVICE AND METHOD FOR CLEANING TREATED-WATER TANK IN CONTAINER-TYPE TRICKLING FILTER DEVICE
A container-type trickling filter device (1) configured of a reaction tank (20) and a treated-water tank (30), wherein the reaction tank (20) comprises a housing (21) which is a rectangular parallelepiped having airtightness, a mesh-shaped bottom plate (22) disposed at the bottom of the housing (21), and a support (23) filled into the housing (21), and the treated-water tank (30) comprises a box-shaped main body (31A), which is configured of a rectangular bottom plate (31) inclined toward a treated-water discharge direction and side walls (32 to 35), a water tank part (36) disposed in the main body (31A) on the treated-water discharge direction side, a dam (37) provided to the water tank part (36), an air withdrawal pipe (38), a treated-water withdrawal pipe (40), and a solid-matter withdrawal pipe (41).
Provided is an operation management support system for a water treatment plant comprising an air supply pipe through which air or oxygen is fed from a blower, a gas diffusing device which is connected to the air supply pipe and to which the air or oxygen from the air supply pipe is supplied, a treatment water tank in which the gas diffusing device is disposed in water to be treated, and in which the air or oxygen from the gas diffusing device is discharged into the water, a vibration information collecting device for collecting vibration information emitted by bubbles formed in the water by means of the air or oxygen discharged from the gas diffusing device in the treatment water tank, and an information processing device for subjecting the vibration information collected by the vibration information collecting device to prescribed information processing, wherein the information processing device comprises: a vibration information acquiring unit for acquiring vibration information from the vibration information collecting device and subjecting the acquired vibration information to prescribed conversion processing; a determination algorithm executing unit for subjecting the vibration information which has been subjected to the prescribed conversion processing by the vibration information acquiring unit to processing based on a prescribed determination algorithm; a vibration information determining unit for determining an abnormality of the gas diffusing device on the basis of an output result output from the determination algorithm executing unit; and a determination result notifying unit for issuing a notification of the result determined by the vibration information determining unit.
G01N 29/036 - Analysing fluids by measuring frequency or resonance of acoustic waves
G06Q 50/00 - Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
An air diffuser includes: a bottom panel provided in a horizontal direction in a tank in which water is filled; an air diffusion body installed to cover the bottom panel from above; and air diffusion holes arranged to penetrate through the air diffusion body, gas fed to a gap between the bottom panel and the air diffusion body is discharged into water through the air diffusion holes, and an air diffusion region of the air diffusion body where the air diffusion holes are arranged has a width equal to or larger than 10 mm and smaller than 120 mm.
An air diffuser 4 includes a bottom panel 4b provided along a horizontal direction in a tank for storing water; an air diffusion body 4c placed so as to cover an upper side of the bottom panel 4b; and air diffusion holes 4e provided so as to penetrate through the air diffusion body 4c. The air diffuser 4 is configured such that a gas A fed between the bottom panel 4b and the air diffusion body 4c is released into water through the air diffusion holes 4e. A width D of an air diffusion region R of the air diffusion body 4c in which the air diffusion holes 4e are provided is not less than 10 mm and less than 120 mm.
NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY (Japan)
Inventor
Hishinuma, Nobuya
Kurita, Nobuyuki
Abstract
A guide mechanism for a conveyance cart according to the present invention, said mechanism comprising a permanent magnet, two electromagnet units, and a holding member. Each electromagnet unit comprises: a core including a first iron core section, a second iron core section, and a third iron core section; and coil sections wound around the respective iron core sections so as to change the magnetic flux density acting between each iron core section and a guide rail when electric power is supplied. The first iron core section is positioned below the guide rail and attracts the guide rail from below. The second iron core section is positioned at one end side in the width direction of the conveyance cart, and attracts the guide rail from the one end side in the width direction of the conveyance cart. The third iron core section is disposed at a predetermined spacing from the second iron core section in the width direction of the conveyance cart, and attracts the guide rail in a direction opposite to the direction of attraction by the second iron core section. Furthermore, the holding member holds the two electromagnet units and the permanent magnet in a state where the permanent magnet is sandwiched by the two electromagnet units, and sets the width direction of the conveyance cart in a longitudinal direction and is axially supported by a support member fixed to a link member of the conveyance cart.
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Water and wastewater airing installations or apparatus. Maintenance, repair and overhaul of airing installations. Planning and further development of airing installations.
9.
WATER PURIFICATION ELEMENT AND WATER PURIFICATION DEVICE
Provided is a water purification element 10 comprising: a polygonal porous body 11 that is formed by using a flexible porous material; and a frame 12 that is cylindrical as a whole and in which a plurality of ring portions 12a are connected by column portions 12b extending along the axial direction, and the porous body 11 is accommodated in the frame 12 such that the column portions 12b face side surfaces 11c of the porous body 11.
A pressing pulley is formed of a tapered roller having an angle same as a taper angle of a head pulley and having a length in a rotation axis direction of a tapered outer tube which is set to be shorter than a length in a rotation axis direction of a taper-shaped outer tube of the head pulley, and the pressing pulley is arranged in a state where a large-diameter-side end portion of the tapered outer tube is positioned in a vicinity of an outer peripheral edge portion of a fan-shaped belt and the pressing pulley is inclined so that a peripheral surface of the tapered outer tube presses a portion close to the outer periphery in a length from a pivot to the outer peripheral edge portion of the fan-shaped belt wound around the head pulley against a peripheral surface of the taper-shaped outer tube of the head pulley.
B65G 15/02 - Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration for conveying in a circular arc
B65G 39/16 - Arrangements of rollers mounted on framework for aligning belts or chains
11.
Mounting device for an aeration element and aerator
The invention relates to a mounting device (8) for an aeration element (2) for introducing a gas into a liquid, said aeration element (2) comprises a base body (3) having at least one upwardly-projecting sidewall (6), said mounting device comprises a mounting element (9) for connecting to the sidewall (6) of the base body (3) of the aeration element (2). Said mounting element (9) comprises at least one elastically deflectable retaining web (10) for detachably connecting to the at least one sidewall (6) of the base body (3) of the aeration element (2). The invention also relates to an aerator with said type of mounting device (8).
B01F 3/04 - Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
F16L 3/00 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
C02F 3/20 - Activated sludge processes using diffusers
F16L 3/02 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
A drive device for a belt conveyor device includes a drive pulley, a first pulley, a second pulley, a support frame, and a drive motor. The drive pulley has a drive shaft direction length less than a plurality of previously set belt widths of the endless belt and has the driving shaft direction length being set to a same length regardless of the plurality of previously set belt widths of the endless belt. Axial lengths of the first pulley and the second pulley are set to the same length as the axial lengths of the head pulley and the tail pulley. The support frame is rotatably attached to the first pulley and the second pulley. The drive motor hung from a lower surface of the support frame in order for the drive pulley to be positioned at an approximately center portion in a width direction of the endless belt.
B65G 15/00 - Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
B65G 23/12 - Arrangements of co-operating drums or rollers to augment tractive effort applied to the belts
B65G 23/44 - Belt- or chain-tensioning arrangements
B65G 23/10 - Drums, rollers, or wheels arranged intermediate the ends of the conveyors
13.
Aerator device and UV protecting cover member therefor
Aerator device for introducing gas bubbles into a liquid and comprising a base member with a gas supply and an elastic perforated membrane attached to the base member, and further with a UV protecting cover member, said UV protecting cover member or at least a part thereof being arranged above the membrane to protect the membrane against UV radiation during shipping and storage.
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B65D 65/42 - Applications of coated or impregnated materials
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/24 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B01F 3/04 - Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
B65D 30/08 - Sacks, bags or like containers characterised by the material used with laminated or multiple walls in spaced face-to-face relationship, e.g. double walls
B65D 65/00 - Wrappers or flexible coversPackaging materials of special type or form
This curved belt conveyor device is configured from tapered rollers in which a restraining pulley (21) has the same angle as the taper angle of a head pulley (17), and the length in the rotational axis direction of a tapered outer tube is set shorter than the length in the rotational axis direction of the tapered outer tube of the head pulley (16), and the restraining pulley (21) is disposed in the state of the large-diameter side end of the tapered outer tube being positioned at the vicinity of the outer peripheral edge of a fan-shaped belt and the peripheral surface of the tapered outer tube being tilted in a manner such that the portion close to the outer periphery having the length from the pivot to the outer peripheral edge of the fan-shaped belt (15) entrained around the head pulley presses towards the peripheral surface of the tapered outer tube of the head pulley (17).
B65G 15/02 - Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration for conveying in a circular arc
B65G 21/16 - Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors for conveyors having endless load-carriers movable in curved paths
15.
MOUNTING DEVICE FOR AN AERATION ELEMENT AND AERATOR
The invention relates to a mounting device (8) for an aeration element (2) for introducing a gas into a liquid, said aeration element (2) comprises a base body (3) having at least one upwardly-projecting sidewall (6), said mounting device comprises a mounting element (9) for connecting to the sidewall (6) of the base body (3) of the aeration element (2). Said mounting element (9) comprises at least one elastically deflectable retaining web (10) for detachably connecting to the at least one sidewall (6) of the base body (3) of the aeration element (2). The invention also relates to an aerator with said type of mounting device (8).
A drive device for a belt conveyor device is provided with: a drive pulley (33) that has the belt rear surface of the return path side of an endless belt (14) wrapped therearound; a first pulley (32) that is set to have the same length as a head pulley (12) and a tail pulley (11) and that folds the belt surface of the return path side of the endless belt (14) back toward the drive pulley (33); a second pulley (31) that is set to have the same length in the axial direction as the first pulley (32) and that folds the belt surface of the return path side of the endless belt (14) back toward the drive pulley (33); a support frame that is provided below a conveyor frame (13) and that pivotally supports both ends of the first pulley (32) and the second pulley (33); a drive motor (34) that is suspended from the bottom surface of the support frame and that comprises an output shaft that is the drive shaft of the drive pulley (33); and a take-up mechanism at which the positions of the first pulley (32) and the second pulley (33) are adjusted. This configuration makes it possible to prevent twisting movement of the endless belt.
In a submerged membrane bioreactor (MBR or SMU), diffusers are used to eject air bubbles, primarily to facilitate the movement of mixed liquor past the membrane surfaces, cleaning and scouring the surfaces of the membranes with the mechanical energy of the combined air/liquid/solids movement. Oxygen transfer from the bubbles into the mixed liquor is often a secondary goal, for supplying oxygen to biological processes. The invention involves the use of a specific bubble diffuser, oriented at a selected upward angle to enable a single style diffuser to accomplish simultaneous generation of mid-size and fine bubble aeration, with adjustment of the tilt angle varying the percentages of mid-size and fine bubble aeration. The angle selection, along with the number of diffusers and air volume selected, allows achievement of target liquid movement through the MBR.
Aerator device(1; 11)for introducing gas bubbles into a liquid and comprising a base member (2; 12) with a gas supply (5; 5) and an elastic perforated membrane (3; 13) attached to the base member (2; 12), and further with a UV protecting cover member(7; 17), said UV protecting cover member (7; 17) or at least a part thereof being arranged above the membrane (3; 13) to protect the membrane (3; 13) against UV radiation during shipping and storage.
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B65D 65/20 - Wrappers or flexible covers with provision for excluding or admitting light with provision for excluding light of a particular wavelength
B65D 65/42 - Applications of coated or impregnated materials
19.
PRESSURIZED INCINERATION EQUIPMENT AND PRESSURIZED INCINERATION METHOD
This pressurized incineration equipment (100, 200) is provided with: a pressurized incinerator (1) that incinerates an object to be processed under pressure resulting from pressurized air (A); a supercharger (5) that generates the compressed air as a result of being rotationally driven by combustion exhaust gas (G) from the pressurized incinerator (1); and a seal means (5i) that blows seal gas (S) on the back surface (5a1) of the turbine impeller (5a) of the supercharger.
F23C 10/16 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles specially adapted for operation at superatmospheric pressures, e.g. by the arrangement of the combustion chamber and its auxiliary systems inside a pressure vessel
F01D 11/04 - Preventing or minimising internal leakage of working fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
F23C 10/18 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles DetailsAccessories
F23G 5/30 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels with combustion in a fluidised bed
20.
METHOD FOR TRANSPORTING IMPURITIES IN PRESSURIZED FLUIDIZED FURNACE SYSTEM
[Problem] To efficiently transport impurities in a dust collector to the outside. [Solution] A cleansing gas is supplied to an upper valve (52), after which the upper valve (52) is activated and an upper extraction device (51) and a tank (53) are connected. The upper extraction device (51) is activated and impurities in a dust collector (50) are transported to the tank (53), after which the upper extraction device (51) is stopped and the upper valve (52) is activated, closing the connection between the upper extraction device (51) and the tank (53), and the supply of cleansing gas to the upper valve (52) is stopped.
F23C 10/08 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
F23J 1/02 - Apparatus for removing ash, clinker or slag from ash-pits, e.g. by employing trucks or conveyors, by employing suction devices
A water-cooling heat-recovering heat pump for simultaneously supplying cold water and hot water, capable of performing a cold water basic adjustment operation for controlling capacity so that the temperature of the cold water approaches a predetermined cold water set temperature, and a hot water basic adjustment operation for controlling capacity so that the temperature of the hot water approaches a predetermined hot water set temperature. The operation switches to cold water basic adjustment when the temperature of the cold water is equal to or less than a predetermined switch cold water temperature during the hot water basic adjustment operation, and the operation switches to hot water basic adjustment when the temperature of the hot water is equal to or greater than a predetermined switch hot water temperature during the cold water basic adjustment operation. Provided is a heat pump capable of operating intermittently even when a low-heat load for supplying cold water and a high-heat load for supplying hot water are largely disproportionate.
[Problem] To provide a low-cost activation method for a pressurized fluidized furnace system with which the breakup of fluid sand can be suppressed. [Solution] Fluid sand filling the bottom of a pressurized fluidized furnace is heated, thereby raising the temperature of a free board part, and after the temperature of the free board part has increased to 750-900°C a material to be processed, which has a water-containing organic substance, is supplied to the pressurized fluidized furnace.
F23G 5/00 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels
F23C 10/16 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles specially adapted for operation at superatmospheric pressures, e.g. by the arrangement of the combustion chamber and its auxiliary systems inside a pressure vessel
F23C 10/18 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles DetailsAccessories
F23G 5/30 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels with combustion in a fluidised bed
F23G 5/44 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels DetailsAccessories
[Problem] To prevent the generation of toxic substances caused by the incomplete combustion of a processing subject material remaining in a pressurized fluidized furnace. [Solution] An activation blower (65) is restarted in synchronization with the stopping of a supply device (11) that supplies a processing subject material to a pressurized fluidized furnace (20) that burns the processing subject material, and air is supplied from the activation blower (64) to a compressor (62) of a supercharger (60).
F23C 10/16 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles specially adapted for operation at superatmospheric pressures, e.g. by the arrangement of the combustion chamber and its auxiliary systems inside a pressure vessel
F23G 5/30 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels with combustion in a fluidised bed
[Problem] To prevent operational defects in the compressor of a supercharger, thereby preventing the generation of toxic substances caused by the incomplete combustion of a processing subject material remaining in a pressurized fluidized furnace. [Solution] The present invention includes: a compressed air supply termination step wherein, after the pressure in a pressurized fluidized furnace (20) has increased to an abnormal level, an auxiliary air supply flow path (121) connected to an auxiliary fuel combustion device (21), or at least one of the flow paths (91, 94, 95) connecting a combustion air supply pipe (24) and a compressor (24), is closed; and a compressed air supply initiation step wherein at least one of the flow paths (94, 96) connecting a starting burner (22) of the pressurized fluidized furnace (20) and the compressor (62) is opened.
F23C 10/16 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles specially adapted for operation at superatmospheric pressures, e.g. by the arrangement of the combustion chamber and its auxiliary systems inside a pressure vessel
F23G 5/30 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels with combustion in a fluidised bed
The invention relates to a device (1) for inserting gas bubbles into a liquid, the device including a base plate (2) with a gas supply opening (3) which is connected to a gas supply device (3) and closable by a valve, wherein a valve element (12) is fixed in the operating position directly to the upper side of the base plate (2).
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Incorporated Administrative Agency Public Works Research Institute (Japan)
Tsukishima Kikai Co., Ltd. (Japan)
Sanki Engineering Co., Ltd. (Japan)
Inventor
Murakami Takahiro
Kitajima Akio
Suzuki Yoshizo
Okamoto Seiichiro
Miyamoto Toyohisa
Ochi Shuichi
Terakoshi Kazuyoshi
Nagasawa Hidekazu
Yamamoto Takafumi
Hirose Hitoshi
Koseki Takami
Abstract
Disclosed is an organic waste treatment system capable of reducing the amount of emission of N2O and NOx generated when organic waste is burned, in a well-balanced manner. Specifically disclosed is an organic waste treatment system which is provided with a combustion furnace for burning organic waste, and a supercharger for generating compressed air using combustion exhaust gas emitted from the combustion furnace, and uses the compressed air as combustion air to be supplied to the combustion furnace, wherein part of the compressed air is sprayed as cooling compressed air on a localized high-temperature region within the combustion furnace so that the concentrations of N2O and NOx contained in the combustion exhaust gas become less than or equal to predetermined values.
F23G 5/44 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels DetailsAccessories
C02F 11/06 - Treatment of sludgeDevices therefor by oxidation
F23C 10/16 - Apparatus in which combustion takes place in a fluidised bed of fuel or other particles specially adapted for operation at superatmospheric pressures, e.g. by the arrangement of the combustion chamber and its auxiliary systems inside a pressure vessel
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Water and waste water aerating installations or apparatus. Maintenance, repair and remediation of aerating systems. Planning and further development of aerating systems.
A film cover applying device is provided with: a film cutting mechanism (200) for cutting a band-like resin film (F) to the dimensions of a brochure (W) to which the resin film (F) is to be applied, the resin film (F) having one surface applied with an adhesive agent; a film conveying mechanism (300) for conveying the cut film (F) to a film standby position (P2) and positioning the film (F); and a brochure moving mechanism (400) for moving the brochure (W) through a gap (402) to the film (F), which is positioned at the film standby position (P2), in such a manner that the brochure (W) intersects the film (F) and applying the film (F) to the surface of the brochure (W) in the process of the movement of the brochure.
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Water and waste water treatment equipment, namely, aerators for the treatment of water and waste water Maintenance, repair and remediation, namely, cleaning, refurbishing and replacing devices of aerating systems Technical design and development of aerating systems and aerating system products for use in water and waste water treatment
An arrangement for introducing gas bubbles into a liquid, a device for fastening a perforated aeration membrane to an aerator base plate, and an aerator base plate therefor. The aerator base plate has an undercut groove in at least one rim region thereof, into which a locking body clamping the membrane in the groove fits clampingly. The locking body has a generally circular cross-section. The groove has an at least substantially oval cross-section. The locking body is designed to be generally cylindrical.
The invention relates to a device (1) for inserting gas bubbles into a liquid, comprising a base plate (2) with a gas supply opening (3) which is connected to a gas supply device (4) and is closable by a valve, wherein a valve element (12) is directly fixed to that side of the base plate (2) which is the top side in the operating position.
In water atomizing facilities for lowering the atmospheric temperature by utilizing the latent heat of vaporization of fine water droplets sprayed in the air, there are provided high-pressure water atomizing facilities, which can suppress the drops of water droplets when started and stopped. The water atomizing facilities comprise a trunk conduit (24) having a high pressure pump (2) and a check valve (3), a water spray nozzle group (5) attached to the downstream end of a water feed conduit (4) leading to the trunk conduit (24), a pressure detecting conduit (6) branched from the trunk conduit (24) upstream of the water spray nozzle group, and a bypass conduit (7) connecting the water feed conduit (4) near the pressure detecting conduit attaching position and the suction-side upstream of the high pressure pump. A pressurizing tank (ET1) is connected to the pressure detecting conduit (6) through a first valve (SV1), and the bypass conduit (7) is equipped with a second valve (SV2) and an expansion tank (ET2) made capable of absorbing the return water pressure from the water feed conduit (4) and connected to the water feed conduit (4) upstream of the high pressure pump (2). When the first valve is opened with the second valve being closed, the pressure of the feed water prestored in the pressurizing tank (ET1) instantaneously acts on the water feed conduit (4), thereby to suppress the drops from the water spray nozzle groups (5) at the time of starting a mist spray. When the second valve (SV2) is opened with the first valve (SV1) being closed, the pressure of the return water from the water feed conduit (4) can be instantaneously absorbed by the expansion tank (ET2) so that the drops of the water droplets at the time of completing the mist spray can be suppressed.
F25B 19/04 - Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour using fluid jet, e.g. of steam using liquid jet, e.g. of water
B05B 1/28 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with integral means for shielding the discharged liquid or other fluent material, e.g. to limit area of sprayNozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with integral means for catching drips or collecting surplus liquid or other fluent material
A switching mechanism (23) for pivoting a main support frame (20) and a sub support frame (21) is constructed from a drive motor (70), a rotation body (71), and connection rods (72, 73). One end of the connection rod (72) is attached to the rotation body (71), and the other end to the main support frame (20). One end of the connection rod (73) is attached to the rotation body (71), and the other end to the sub support frame (21). To switch a belt junction conveyor (10) between a first conveyance state and a second conveyance state, either of the connection rods (72, 73) is pushed out and the other is pulled by the rotation body (71) rotated by operation of the drive motor (70). This causes the main support frame (20) and the sub support frame (21) to pivot in the directions opposite to each other, which changes the direction of conveyance of an object by an endless belt (80).
Provided is an operation management support system for a water treatment plant comprising an air supply pipe through which air or oxygen is fed from a blower, a gas diffusing device which is connected to the air supply pipe and to which the air or oxygen from the air supply pipe is supplied, a treatment water tank in which the gas diffusing device is disposed in water to be treated, and in which the air or oxygen from the gas diffusing device is discharged into the water, a vibration information collecting device for collecting vibration information emitted by bubbles formed in the water by means of the air or oxygen discharged from the gas diffusing device in the treatment water tank, and an information processing device for subjecting the vibration information collected by the vibration information collecting device to prescribed information processing, wherein the information processing device comprises: a vibration information acquiring unit for acquiring vibration information from the vibration information collecting device and subjecting the acquired vibration information to prescribed conversion processing; a determination algorithm executing unit for subjecting the vibration information which has been subjected to the prescribed conversion processing by the vibration information acquiring unit to processing based on a prescribed determination algorithm; a vibration information determining unit for determining an abnormality of the gas diffusing device on the basis of an output result output from the determination algorithm executing unit; and a determination result notifying unit for issuing a notification of the result determined by the vibration information determining unit.
G06Q 50/00 - Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
