The invention relates to a photoreactor device (10a; 10b; 10c; 10d; 10e) comprising at least one reactor chamber (12a; 12b; 12c; 12d; 12e), in particular a reactor container (14a; 14b) and/or a tube reactor (16b; 16c; 16d; 16e), for receiving at least one medium and comprising at least one irradiation unit (18a; 18b; 18c; 18d) for irradiating the medium in the reactor chamber (12a; 12b; 12c; 12d; 12e). According to the invention, the photoreactor device (10a; 10b; 10c; 10d; 10e) has a transfer unit (20a; 20b; 20c; 20d; 20e) which continuously supplies the medium into the reactor chamber (12a; 12b; 12c; 12d; 12e) from the exterior in a continuous operation and which continuously discharges the medium out of the reactor chamber (12a; 12b; 12c; 12d; 12e) towards the exterior.
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing electromagnetic waves
2.
REACTOR DEVICE AND METHOD FOR CARRYING OUT PHOTOCHEMICAL REACTIONS WITH A REACTOR DEVICE
The invention is based on a reactor device (10) with a reaction vessel (12) for receiving at least one medium. It is proposed that the reactor device (10) has an external irradiating unit (14), which is arranged outside the reaction vessel (12) and has at least one external radiation element (16, 48, 52) for irradiating the medium within the reaction vessel (12).
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing electromagnetic waves
3.
AGITATOR DEVICE, AGITATION SYSTEM AND METHOD FOR OPERATING AN AGITATION SYSTEM
The invention relates to an agitator device (10) comprising at least one intermediate bearing (12) which is provided for mounting an agitator shaft (14) within an agitator tank (16) and which comprises a first bearing element (18) and a second bearing element (20) which is, in an operating state, rotatable about a bearing axis (22) relative to the first bearing element (18) and is in contact with the first bearing element (18). It is proposed that at least one of the bearing elements (18, 20) comprises a polycrystalline diamond.
The invention relates to a stirring element device (10; 10'), more particularly for stirring fluidized beds and/or solid mixtures and/or high-viscosity suspensions, comprising at least one spiral stirrer (12; 12'), which can be rotated about an axis of rotation (14) and has at least one coil (16) running around the axis of rotation (14). According to the invention, the spiral stirrer (12; 12') has a main body (18; 18'), which has, in at least one cross-sectional view, an at least partly oval, more particularly circular, outer contour (20; 20').
The invention relates to a stirring device (12a-c), in particular a reactor stirring device, with a radiation unit (14a-c) which is provided for irradiating a medium (16a-b). According to the invention, the stirring device (12a-c) has a guide tube unit (18a-c) which is provided for separating two counter-rotating flows (20a-b, 22a-b) of the medium (16a-b).
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing electromagnetic waves
The invention relates to a method in which a medium viscous to high viscous fluid and/or a medium viscous to high viscous suspension is mixed by means of a stirring element device (10), which is driven via a driveshaft (12). According to the invention, the fluid and/or the suspension is displaced into a multidimensional flow by means of a stirring element device (10) stirring blade (14) which is close to the wall, and a flow resistance along a shaft direction (16) in a region (18) near the shaft is minimized.
The invention is based on a stirrer apparatus (10a-c), in particular for use in crystallization systems, having a stirring shaft (14a-c), having at least one first blade element (16a-c), which is retained on the stirring shaft (14a-c) and is intended for mixing at least one mixing material, and having at least one second blade element (18a-c), which is retained on the stirring shaft (14a-c) and is intended for keeping at least one area (20a-c) in the vicinity around the stirring shaft (14a-c) free of material deposits and/or encrustations. In order to achieve improvement in design, it is proposed that the stirrer apparatus should have at least one stirring blade (22a-c) with a front side (24a-c) and a rear side (26a-c), said stirring blade comprising the first blade element (16a-c) and the second blade element (18a-c).
The invention relates to a stirring element device, in particular for mixing media with a wide range of viscosities, in particular for a polycondensation reactor, said device comprising at least one inner stirring blade (10a-e) and at least one outer stirring blade (12a-e) which are rotatable about a common axis of rotation (14a-e), at least some portions of the inner stirring blade (10a-e) being pitched relative to the axis of rotation (14a-e). According to the invention, at least the inner stirring blade (10a-e) lies completely within a region (16a-e) around the axis of rotation (14a-e), said region corresponding to a cylindrical sector (18a-e), the base area of which is a circular sector of less than 360°.
B01F 7/00 - Mixers with rotary stirring devices in fixed receptacles; Kneaders
B01F 7/24 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis with helices
B01F 7/32 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis with openwork frames or cages
The invention relates to a stirring device, in particular a reactor stirring device, having at least one holder (10), which is provided for holding at least one brittle unit (12) within a container (14) relative to at least one container wall (16) of the container (14) and which has at least one holding unit (18) for this purpose. According to the invention, at least one holding position of the holder (10) relative to the container wall (16) can be adapted by means of the holding unit (18).
B01J 19/18 - Stationary reactors having moving elements inside
B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor employing electromagnetic waves
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
C08L 27/06 - Homopolymers or copolymers of vinyl chloride
The invention relates to an agitator device (10a; 10b; 10c; 10d; 10e) having at least one carrier unit (12a; 12b; 12c; 12d; 12e) that comprises at least one connection element (14a; 14b; 14c; 14d; 14e) for connecting to a driveshaft (16a; 16c) and at least one strut element (18a; 18b; 18c; 18d; 18e) for securing at least one agitator blade (20a, 20b; 20c; 20d). According to the invention, said strut element (18a; 18b; 18c; 18d; 18e) and connection element (14a; 14b; 14c; 14d; 14e) are connected to one another as a single piece.
Disclosed is an agitator device, in particular a draft tube agitator device, comprising at least one agitator unit (12a; 12b) that can rotate about a rotational axis (10a) and that is provided for the delivery of a fluid in an axial delivery direction (16a; 16b). The agitator unit has at least one rotor blade element (18a), a section of which that projects on a plane perpendicular to the rotational axis (10a) having an at least substantially arced outer contour (20a), and the rotor blade element (18a) has at least one first substantially planar region (24a) lying on a blade plane (22a) and a second region (26a) curving away from the blade plane (22a).
The invention relates to an agitator device having a static unit (10a; 10b; 10c; 10d; 10e) and a rotational unit (12a; 12b; 12c; 12d; 12e) which is in the form of an agitator shaft and, in an assembled state, forms together with the static unit (10a; 10b; 10c; 10d; 10e) at least one common fluid channel (14a; 14b; 14c; 14d; 14e) for a fluid. It is proposed that a flow cross-section of the fluid channel (14a; 14b; 14c; 14d; 14e), viewed along a main course of flow, is at least substantially constant at least in a coupling region between the static unit (10a; 10b; 10c; 10d; 10e) and the rotational unit (12a; 12b; 12c; 12d; 12e).
The invention relates to a stirring device, in particular a radially conveying stirring device, in particular for mixing moderately viscous to highly viscous media, with at least one stirring device hub (10), which is provided for the purpose of rotating about a rotation axis (12), with at least one stirring blade (14), and with at least one support arm (16) which connects the stirring blade (14) to the stirring device hub (10), wherein at least one half-line (18) issuing from the rotation axis (12) exists which intersects a centre of gravity of a connection flange area (20) of the support arm (16) on the stirring device hub (10) and which is free from points of intersection with the stirring blade (14), and wherein the stirring blade (14) has at least one bend (22) which divides the stirring blade (14) into at least two stirring blade portions (24, 26).
The invention relates to a stirring device comprising at least one at least substantially metallic stirring blade carrier (12a; 12b; 12c) and a plurality of stirring blades (14a; 14b; 14c) connected to the stirring blade carrier (12a; 12b; 12c), wherein the stirring blades (14a; 14b; 14c) are made at least substantially of a non-metallic material. It is proposed that the non-metallic material is a ceramic material.
The invention relates to a stirring device, in particular an axially conveying stirring device, for stirring, mixing, homogenising, dispersing and/or suspending, in particular abrasive media, comprising at least one mixing blade (10) which is provided in order to rotate about a rotational axis (12), and a contour unit (14) which is provided to reduce the wear and tear of at least one mixing blade (10).
A system and an associated method for starting up stirring machines in a sediment in a controlled manner are provided, which system has the following: a container (1) for receiving materials to be processed; a stirring-element device with stirring-element blades (3) for stirring the materials to be processed in the container; a flushing device; and a device (2) for operating stirring machines. The flushing device is arranged in such a way and set up so as to feed medium to a sediment which is formed in order to flush the sediment free. Furthermore, a controller (10) is provided which causes controlled re-starting of stirring machines after the free flushing operation.
B01F 3/12 - Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed liquids with solids
B01F 7/20 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis with paddles or arms with fixed axis
B01F 13/02 - Mixers with gas agitation, e.g. with air supply tubes
The invention relates to a device for the lateral removal of agitator parts, such as shaft seals, wherein the device is arranged within the housing (11) of the agitator by means of consoles (7, 8) on the inner wall of the housing (11) at a location opposite a lateral housing opening. Two vertically arranged rods are provided as guide columns (4), which each serve at the same time as a point of rotation for a respective pivoting arm (1).
A system is provided for dispersing finely dispersed solids into high-viscosity products, which system comprises, in a container (5), a coaxial stirring system (10, 15) having stirring elements on two independently drivable, coaxially arranged shafts (1, 2). A positive-displacement, close-wall-clearance stirring element (10) on the one shaft (1) and a plurality of stirring elements (15) on a central shaft (2) are arranged in such a manner that, in an upper mixing region of the container (5), a combination of the positive-displacement, close-wall-clearance stirring element (10) and stirring elements (15) for forming an ideally mixed zone (I) is provided, and in a mixing region downstream of the upper mixing region of the container (5), stirring elements (15) for developing a plug-flow zone (II) are provided. A positive-displacement pump (20) is provided in a region downstream of the plug flow zone (II) as a discharge zone (III).
The invention provides a rotating spray apparatus (8) for cleaning walls and a lid of a space at the top (5) of a large stirred container (1), wherein the rotating spray apparatus is designed in the form of a cup, with tubes fitted thereon, which is fastened on a stirring shaft (2) in the space at the top (5) of the container (1) and which rotates along therewith and into which, by means of a rinsing-liquid-supply tube (7) guided into the vicinity of the stirring shaft (2) at the space at the top (5) of the container (1), rinsing liquid is supplied, and therefore the rinsing liquid supplied, as a result of centrifugal forces, is sprayed from the cup, in the vicinity of the stirring shaft (2), at least onto the wall and the lid of the container (1). In particular the peripheral region of the cup is covered by an annular lid (14), or the periphery of the cup is of serrated configuration.
The invention relates to a stirrer organ (1) in composite construction comprised of a metallic part (4) and a hybrid casting (9), with the hybrid casting (9) being fixed to the metallic part (4) by means of at least one anchoring element which forms at least one back-cutting in the hybrid casting (9). Furthermore, the present invention relates to a method for rehabilitating a damaged metallic stirrer organ which when applied provides a rehabilitated stirrer organ (1) in composite construction. The invention tackles the task of creating a stirrer organ (1) in hybrid construction which features a largest possible metallic part (4) because higher strength can hereby be achieved. This task is inventively solved in that the anchoring element is provided with a perforated plate (5) which is spot-wise fastened to the metallic part (4) and which is arranged at least partly at a small distance to the surface of the metallic part (4) so as to configure the at least one back-cutting.
B01F 7/00 - Mixers with rotary stirring devices in fixed receptacles; Kneaders
B23P 15/04 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
The invention relates to a stirring blade for use in a stirring device designed as an axial conveyor, and to a stirring device having at least two stirring blades, wherein the stirring blade has a profile shape that changes in cross-section along the entire length thereof. At each cross-section the profile shape has a rounded leading edge and then changes into a convex pressure and suction side that merge at an obtuse trailing edge.
The invention relates to a stirring device having a rotating stirring organ (2) for stirring fluids. The stirring organ (2) has stirring blades (4) mounted on a stirring organ hub (3). The stirring organ further comprises a gasification device (5) feeding a gas, such as air, for dispersing by means of the stirring organ (2). The gasification device (5) comprises a distribution bushing (6) rotating with the hub (3) of the stirring organ (2) and having an interior for receiving the gas. Said distribution bushing (6) and the interior thereof are connected and communicate with co-rotating outlet lines (7). Outlet openings of the outlet lines (7) are disposed in the immediate vicinity of the stirring blades (4) and within the volume swept by the stirring organ (2) or in the immediate outflow zones, and exude the gas at desired locations in the desired flow direction in each case.
Disclosed is a stirring member (1; 1a-1h), particularly for abrasive media, comprising a support disk (2; 2a-2h) to which stirring member blades (3; 3a-3h) are connected substantially perpendicular to the support disk (2; 2a-2h), said blades (3; 3a-3h) being arranged substantially in a radial direction. The support disk (2; 2a-2h) is also provided with a hub that receives a stirring shaft which is preferably motor-driven in a suitable manner. The trailing faces of the blades (3; 3a-3h) of the stirring member (1; 1a-1h) and/or the area of the blade connections to the support disk (2; 2a-2h) is/are designed to largely prevent vortex shedding. For this purpose, preferred geometrical measures for the stirring member blades (3; 3a-3h), the support disk (2; 2a-2h), and the connection of the blades (3; 3a-3h) to the support disk (2; 2a-2h) are disclosed and described.
The invention relates to a stirring assembly comprising a stirring element (2) for stirring a liquid and a gassing device (3 or 3') which supplies gas, such as air, below the stirring element (2) and at the side(s) of the stirring element (2), with the gas to be dispersed by means of the stirring element (2). The gassing device (3; 3') is designed in such a manner that until a critical gas quantity value determining the flooding point is reached, the gassing device (3; 3') supplies the quantity of gas to the stirring element (2) from below and when the flooding point is exceeded, the gassing device (3; 3') simultaneously supplies the gas exceeding the flooding point at the side(s) of the stirring element (2). The aim of the invention is to prevent the stirring element (2) from being flooded and to improve the dispersing effect of the liquid and gas. For this purpose, the gas supply in the stirring assembly according to the invention is carried out, depending on the quantity of gas to be supplied, from below and from the side(s) in relation to the stirring element (2).
patents
