EP2397220B1 - Générateur d'écoulement - Google Patents

Générateur d'écoulement Download PDF

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Publication number
EP2397220B1
EP2397220B1 EP11169134.1A EP11169134A EP2397220B1 EP 2397220 B1 EP2397220 B1 EP 2397220B1 EP 11169134 A EP11169134 A EP 11169134A EP 2397220 B1 EP2397220 B1 EP 2397220B1
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EP
European Patent Office
Prior art keywords
medium
working space
flow
channel
flowing
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EP11169134.1A
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German (de)
English (en)
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EP2397220A2 (fr
EP2397220A3 (fr
Inventor
Daan Waubert de Puiseau
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Waubert De Puiseau Daan
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Individual
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Publication of EP2397220A3 publication Critical patent/EP2397220A3/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
    • B04C3/06—Construction of inlets or outlets to the vortex chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
    • B04C2003/003—Shapes or dimensions of vortex chambers

Definitions

  • the invention relates to a flow generator for mixing and / or separating media, having a rotation chamber which is formed such that a first medium flowing into the rotation chamber is set in a rotational movement, wherein the rotation chamber, the first medium leads to a rotating path and a the rotary chamber with a working space connecting flow channel, which is arranged and designed such that it predetermines an orientation of the medium emerging from the flow channel into the working space when entering the working space.
  • the invention further relates to a method for mixing and / or separating media with a flow generator in which a flowing medium is set in a rotating movement by a rotary chamber, the flowing, rotating medium is passed through a flow channel from the rotary chamber to a working space and the flowing, rotating medium exits with an orientation from the flow channel into a working space.
  • the invention relates to a method for the treatment of liquid media.
  • flow generators are known in which the media to be mixed are conducted into a working space in which they swirl and then flow out of the working space via an outlet.
  • the media to be mixed are conducted into a working space in which they swirl and then flow out of the working space via an outlet.
  • a flow generator with a working space in which a displacement body is arranged, which generates a nozzle-like constriction of the working space.
  • Separating means the separation of mixtures of substances.
  • separating media for example, known from the prior art cyclones or centrifuges are used.
  • the mixtures to be separated are introduced into the cyclone.
  • the lighter substances are sucked upwards in the cyclone, while the heavier components, such as, for example, dust particles, sink downwards in the cyclone.
  • a medium is understood to mean a single substance or a mixture of several substances, it being possible for the state of matter of the medium to be both gaseous, liquid or solid, provided that their fluidity is given. Also, the state of matter of the individual substances in the mixture may be different. Here, all combinations are conceivable. It may be a solid medium in, for example. Powder, flake or dust form mixed in a liquid or a gas or a mixture of gaseous and / or liquid and / or solid medium separated from each other.
  • the turbulence intensity is decisive in addition to the time factor.
  • a vigorous and long vortexing of the media is advantageous.
  • a fast outgassing of the gaseous medium can be achieved from the liquid.
  • the different methods of mixing and separating can be used depending on the state of aggregation of the media to be processed. In some cases it is also possible, depending on the device and media, to mix and / or separate media having different states of aggregation.
  • a vortex generator in which a liquid in a rotary chamber is set in rotation, and then swirled in a funnel-shaped working space to an outlet.
  • Such vortex generators are suitable only for the swirling of the introduced medium or mixture of substances, but offer no possibility to mix further media during the Verwirbelungsvorgangss in the liquid or filter out of the liquid.
  • homogeneous and heterogeneous crystallization are known from the prior art.
  • seed crystallization the so-called seed crystallizes from the same molecule as the growing crystal.
  • heterogeneous crystallization a foreign species is usually present, e.g. Metallic roughness edges in pipelines or, preferably, in elbows that also irregularly incorporate other molecules into growth. Due to the higher electrostatic attraction of similar molecules with respect to alien molecules, with sufficient presence of seed crystals of, for example, calcium carbonate, preferably homogeneous crystals form in a liquid.
  • washing machines In the calcification of water-leading devices such as. Washing machines is a heterogeneous crystallization of the calcium carbonate in the water on the water lines in the device instead.
  • apparatuses which use electrostatic fields.
  • a purely mechanical process for the production of seed crystals from, for example, calcium carbonate, is not known.
  • the invention is based on the issue to provide a flow generator, the mixed media evenly and very quickly mixed or mixed media evenly and very quickly separated from each other. It is a further object of the invention to provide a method in which media can be reliably uniformly and rapidly mixed with one another or mixed media can be reliably and uniformly separated from one another in a reliable manner.
  • the invention achieves the objects by a flow generator according to claim 1 and a method for mixing and / or separating according to claim 11.
  • Advantageous developments of the invention are specified in the dependent claims.
  • the flow generator according to the invention for mixing and / or separating media has a rotation chamber which is designed in such a way that a first medium flowing into the rotation chamber is set into a rotational movement.
  • a flow channel connecting the rotary chamber to a working space is arranged and designed such that it predetermines an orientation of the medium emerging from the flow channel into the working space when it enters the working space, with a connecting channel also opening into the flowing medium
  • the medium flows in the flow generator according to the invention from an inlet through the flow generator to an outlet.
  • the medium flows into the rotation chamber, and is guided by the rotation chamber on, for example, a circular or elliptical path of movement. It rotates, for example, around a common center around.
  • the rotation chamber may be formed and / or arranged such that the rotation of the medium is at least substantially vertical, i. takes place as far as possible parallel to ciner longitudinal axis of the flow generator.
  • the rotation chamber may, for example, have a circular or elliptical shape in vertical section.
  • the flowing medium Due to the rotation, the flowing medium has a high internal degree of turbulence. That is, the media molecules and / or media molecule clusters move and swirl toward each other while still moving on the rotating web. In this case, a high number of collisions between the molecules and / or molecular clusters takes place, so that occurring forces, such as shear forces, cause a break-up of the intermolecular forces and thus the molecular clusters, whereby the homogeneity of the mixture is improved.
  • the rotation chamber may be arbitrarily, for example, arcuate in cross-section or configured with a curvature.
  • the shape of the rotation chamber in horizontal section can likewise arbitrarily, for example, round, oval, annular, polygonal or adapted to the basic shape of the flow generator.
  • the flow channel has at least one opening in the region of the rotation chamber and at least one opening in the region of the working space.
  • the flow channel can be designed differently. There are all forms conceivable that connect the rotary chamber and the working space together so that a flowing medium can be passed from the rotary chamber into the working space.
  • the flow channel as a hose connecting the rotary chamber and the working space can be formed. It can also be formed in a component as, for example, bore or milling, which connects the rotary chamber and the working space with each other.
  • the formation of the flow channel is partly responsible for the orientation with which the flowing medium flows into the working space.
  • the design of the channel can be adjusted according to the intended effects. It is, for example, possible to form the flow channel as a straight channel or as a channel with bends. Also, the opening of the flow channel in the region of the rotation chamber can be formed arbitrarily. Thus, it is possible to form them, for example, symmetrically or asymmetrically, or to chamfer or round off them.
  • orientation is understood as meaning a specific outlet direction of the medium / mixture and / or the way in which the medium / mixture, for example, is fanned out or exits as a spray from the flow channel.
  • the flow generator according to the invention has a connection channel which opens into the flowing medium. Through the connection channel, it is possible to introduce at least one second medium into the flowing medium or to remove a second medium, which is deposited from a mixture of media due to turbulence.
  • the connection channel has at least two openings. An opening on the side of the flowing medium and a side opposite to that of the flowing medium.
  • the connection channel can, like the flow channel, be designed as desired, for example as a hose, a pipe or as a bore or cutout in a component. Also, the spatial configuration of the connection channel can be made arbitrarily. Thus, the connection channel, for example, at least partially straight, arcuate or have an angle. Also, combinations of shapes are conceivable.
  • the flow generator according to the invention swirls a medium flowing through it several times by overlapping movements.
  • forces in the medium can be dissipated between molecular forces, such as, for example, cohesive and / or adhesive forces, so that a first medium can be mixed with a second medium or further media particularly simply, quickly and uniformly.
  • molecular forces such as, for example, cohesive and / or adhesive forces
  • the flow generator according to the invention allows through the connection channel the possibility to mix other media in the flowing medium.
  • the other media can be mixed into the first medium through the connection channel at the same time or at different times.
  • a high flexibility in terms of pressure, timing and the order of media to be mixed with minimal equipment design is given.
  • the flow generator according to the invention enables a particularly fast and uniform distribution of one or more media to be mixed into another medium.
  • the respective proportion of media is irrelevant, since the flow generator according to the invention also allows the rapid and uniform mixing of, for example, small amounts of a medium and / or particularly viscous media.
  • a small amount of a particularly high-viscosity medium can also be mixed into a main medium or with a plurality of different media.
  • the flow generator according to the invention enables fast and uniform Separate media from media mixes.
  • a medium separately from the flowing medium out of the flow generator.
  • the flow generator according to the invention for example, to combine the operations of mixing and separating and, in a particularly advantageous manner, to mix a plurality of media and to separate one or more media from the mixture at a later time.
  • Another advantage of the flow generator according to the invention is that the self-cleaning effect of water can be simulated. This is based on the theory that occurring in nature water is swirled many times more than run in lines laminar flowing water. Due to multiple turbulence, the cluster sizes of the H 2 O molecules of water occurring in nature is significantly smaller and the reactivity of the molecular clusters significantly larger compared to laminar flowing water. Due to the associated higher binding activity of the water clusters foreign substances in the water can be better filtered out. Through the connection channel of the flow generator according to the invention, it is possible to introduce additional water, for example, with a different pressure in the flowing water, thereby causing further turbulence and increased disruption of the H 2 O molecule cluster takes place.
  • Another particular advantage of the flow generator according to the invention is that in this pure crystal nuclei can be formed in the moving liquid, which collect in the course of precipitation and therefore minimize deposits on pipelines and vessel walls.
  • the flow channel has a curvature.
  • the flow channel can be curved in itself or have a section with curvature.
  • the curvature gives the rotating medium a particularly advantageous orientation on exiting into the working space, through which the exiting medium moves on an arcuate path in the working space.
  • the inclination angle of the flow channel can be adjusted to a longitudinal axis of the flow generator according to the intended effects. It is, for example, possible, the flow channel with an inclination angle of o °, i. parallel to a longitudinal axis, align. In a particularly preferred embodiment of the flow generator according to the invention, however, the flow channel has an angle of inclination of 5 ° -85 °, preferably 15 ° -75 °, more preferably 25 ° -65 ° and preferably 30 ° -55 ° to the longitudinal axis of the flow generator.
  • the path of movement of the medium in the working space and thus the degree of turbulence and mixing of the medium in the working space can be influenced in a particularly advantageous manner.
  • the angle of inclination of the flow channel thus advantageously determines the outlet direction of the medium from the flow channel into the working space.
  • the speed at which a medium flows through the flow generator depends on several factors. On the one hand, it is crucial with which pressure a medium is introduced into the flow generator. On the other hand, the speed can be influenced by different cross sections of the components of the flow generator. For example, it is possible to decelerate the velocity of the medium flowing in the flow generator by means of a particularly large rotation chamber or to increase the exit velocity of the flowing medium from the flow generator by means of a particularly small cross section of the outlet.
  • the different velocities of the flowing medium within the flow generator cause a further advantageous swirling of the flowing medium within the flow generator.
  • the flow channel is suitable for influencing the flow velocity within the flow generator.
  • the flow channel can therefore have different cross sections over its length. For example, it is possible to provide this in the connection area to the rotation chamber and in the connection area to the working space with the same cross section. It is also possible to form a bulge, such as a cavity or a small chamber, in the region lying between the connection regions. If, for example, the flowing medium should have a lower velocity when emerging from the flow channel into the working space than when entering the flow channel from the rotation chamber, the cross section of the flow channel in the region of the rotation chamber may be smaller than in the connection area to the working space.
  • the flow channel in the connection region to the rotation chamber has a larger cross-section than in the area of the connection to the working space.
  • the mixing and separating effect of the flowing medium can also be varied via the shape of the working space.
  • the working space can be designed arbitrarily both in its cross-sectional as well as in its longitudinal section. They are e.g. polygonal, arcuate or circular shapes conceivable.
  • a working space facing the outlet opening of the flow channel can be arranged and formed as desired. It is preferably adapted to the effect to be achieved.
  • the outlet opening for example, parallel to a longitudinal axis of the flow generator can be arranged, whereby the exiting medium is aligned in the direction of a central longitudinal axis of the flow generator.
  • the respective outlet openings may, for example, be arranged so that the medium emerging from them in the working space meets or crosses each other.
  • the outlet opening of the flow channel is arranged and designed such that the exiting medium is directed against an inner surface of a boundary wall of the working space.
  • the boundary wall defines the working space in size and shape.
  • the inner surfaces of the boundary wall are the surfaces directed towards the working space, i. the surfaces with which the flowing medium can come into contact. The particular advantage of this is that the flowing medium is additionally swirled when hitting the inner wall.
  • the formation of the outlet opening can also be arbitrary. Thus, it is possible, for example, to chamfer, round off, to provide the exit opening with grooves, i. bass out or form any other way. According to the design of the outlet opening of the flow channel, the flowing medium in the working space, for example, be sprayed or injected.
  • the outlet opening is arranged and formed such that the medium substantially bundled, for example. Radially emerges from the outlet opening and at an angle of 0 ° -90 °, preferably 0 ° -75 °, particularly preferred 0 ° -45 °, preferably 0 ° -25 ° and advantageously between 0 ° and 15 ° impinges on the inner surface of the boundary wall of the working space. Due to the bundling, it is possible for the medium / mixture flowing into the working space to specify a particularly accurate orientation oriented to the intended effect, ie an exact trajectory in the working space. So it is, for example, possible, a rotating Medium jet to flow along the inner wall of the working space along.
  • connection channel can open in different areas of the flow generator. For example, it is possible to open a connection channel into the rotation chamber. In a particularly preferred embodiment of the invention, however, the connection channel opens into a flow channel. This can be ensured in a particularly advantageous manner that the second medium does not affect the effect of the rotation chamber and yet a second medium can be prematurely mixed into the first medium.
  • the first medium flowing in the flow channel is already in rotation and thus has a particularly high internal degree of turbulence, as a result of which the second medium can be mixed into the first medium in a particularly simple and rapid manner.
  • gases which are already separated from the first medium at an early stage can be removed by the connecting channel opening into the flow channel.
  • a plurality of flow channels and connection channels can be arranged.
  • the amount of medium / time unit to be introduced into the flow generator can be increased, or the cross section of the flow channels can be reduced if necessary.
  • a substance B can be mixed into the first flowing medium A into the flowing medium A via a first connecting channel which opens into the first flow channel and a substance C into the first flowing via a second connecting channel which opens into a second flow channel Medium A are mixed in.
  • the number of flow channels is arbitrary.
  • a flow channel without a connection channel or with a plurality of connection channels may be formed, so that the number of connection channels which are assigned to the respective flow channel is arbitrary.
  • Particularly preferred is a development of the invention, according to which at least two flow channels are arranged, each of which at least one connection channel is assigned.
  • the mixing or separation of a second medium into the first flowing medium can be very complicated. This is the case in particular when a particularly large number of connection channels are arranged and each connection channel has to be connected individually.
  • a mixing sleeve with collecting channel is arranged on the flow generator, wherein the connection channels open with their end facing away from the flowing medium in the collecting channel.
  • This advantageous embodiment makes it possible to connect all connection channels simultaneously via the collection channel. This is particularly advantageous for the area of cleaning the flow generator.
  • each line must be cleaned individually after use. Due to the advantageous embodiment of the flow generator with mixing sleeve only one supply or discharge line to the mixing sleeve is needed, so that after use only a supply or discharge line and the mixing sleeve must be cleaned with collecting duct.
  • connection channel is arranged and designed such that it sets the emerging from the connection channel in the flow channel medium when entering the flow channel an orientation
  • the connection channel may, for example. Arranged and designed so that the second medium with a predetermined direction enters the flow channel, which corresponds to a spiral movement of the first medium in the flow channel.
  • the connection channel can also be designed such that the second medium is sprayed, for example, on entering the flow channel.
  • orientation is that the second medium can influence the flowing first medium with respect to its trajectory and speed of movement.
  • connection channel can be formed with the same cross section. Further, it is possible to form the cross section between the two connection regions of the connection channel with a deviating cross section. Also can the connection channel in the connection region of the flow channel have a different cross-section than in the connection region of the flow channel opposite the connection region.
  • connection channel is, for example, designed such that it has a smaller cross section in the connection region to the flow channel than in the connection region opposite the connection region of the flow channel.
  • connection channel is also arbitrary. It depends strongly on the effects to be achieved and can therefore be, for example, polygonal, round, elliptical and / or arcuate. In particular, the combinations of two or in one another overflowing cross-sectional and / or longitudinal sectional shape are possible.
  • connection channel is also arbitrary.
  • connection channel with an angle between, for example. 0 ° to 90 ° open into the flow channel is advantageous, for example.
  • the connection channel opens into the working space.
  • it can be arranged so that it opens at approximately the same height with the flow channel in the working space and in a central position to the cross section of the working space. It is, for example, possible to position the connection channel so that it is arranged on a central longitudinal axis of the flow generator.
  • the working space in the inlet region of the medium has a larger cross-section than in an outlet opposite the inlet region.
  • an opposing outlet is not necessarily understood to mean an outlet which is directly opposite the inlet region, but an outlet which, with respect to the longitudinal axis of the flow generator, is arranged at a distance from the inlet region.
  • polygonal cross-section are possible, but the shape of a truncated cone or the shape of a cyclone is particularly preferably used.
  • the particular advantage of the cross section of the working space narrowing towards the outlet is that the medium has a higher flow velocity towards the outlet than in the inlet region of the working space. As a result, the turbulence is amplified.
  • Another advantage of the increased velocity and narrowed cross-section is that molecular clusters present in a liquid increasingly collide and break apart. It is thus possible, for example, for the molecular clusters present in water to be greatly reduced from H 2 O molecules.
  • a beneficial effect is, for example, that in the water dissolved calcium bicarbonate is split into calcium carbonate and carbon dioxide.
  • Another advantage of the truncated cone-like basic shape of the working space is that the medium flowing in via the flow channels can be guided in a particularly simple manner onto a spiral path in the working space. In a particularly advantageous manner, it is thus possible, one from the flow channel as bundled medium, and thus, for example. Radial medium - which rotates in itself, to direct a spiral circular path in the working space. Through this combination of trajectories, the different media come into frequent contact with each other, so that a particularly fast mixing of the media is possible. Due to the high contact rate, the media can also be separated very quickly.
  • the working space with an inlet region of the medium opposite outlet with a smaller cross-section and the associated ability to direct the medium on a spiral path in the working space act on the media centrifugal forces that allow further separation of the media.
  • the heavier components of the media move toward the inner wall of the workspace while the lighter components move toward a central longitudinal axis of the workspace. If the lighter component is a gas, it is, for example, possible to drive it off via the connecting channel opening into the working space.
  • the outlet of the working space can be configured as desired. So the outlet can, for example. be designed as a round or slot-shaped hole. It is also possible to form the outlet, for example, tubular with a substantially constant cross-section. Due to the design of the outlet different pressure conditions in the working space can be effected. Thus, for example, in the case of a round configuration of the working space, a central vortex can form in the working space, which sucks a gaseous medium such as air through the outlet, resulting in a reduction of a negative pressure existing in the working space.
  • an outlet nozzle or a fitting is arranged at the outlet.
  • the outlet nozzle or the fitting forms a constriction / narrowing of the outlet and largely prevents the suction of, for example, gaseous media through the outlet into the working space. This makes it possible in an advantageous manner to increase the pressure prevailing in the working space vacuum.
  • the outlet nozzle or the fitting can also be designed as desired.
  • One of the direction of the working space opposite the second end of the nozzle or the fitting is also arbitrarily auslagbar.
  • the second end may have a different cross-sectional shape and / or a different cross-sectional size than the first end. It is also possible that the second end, for example, has twice the cross-sectional size of the first end.
  • steps, protrusions or cavitation steps can be formed on the nozzle or the fitting.
  • the nozzle can be formed as a Venturi nozzle.
  • the fitting or the nozzle can be formed integrally with the working space.
  • a fitting or outlet nozzle which can be connected to the working space is preferred, as a result of which it is possible, if necessary, to exchange the fitting or the outlet nozzle which is particularly stressed by the flowing medium.
  • the nozzle Due to the design of the nozzle can be influenced depending on the effect to be achieved, the mixing and separation process in the workspace, so that it is possible, for example, fill media with high pressures in the flow generator and still mix with vacuum in the working space or separate from each other ,
  • the rotation chamber is connected to an inlet chamber arranged in the flow direction in front of the rotation chamber.
  • the inlet chamber can be connected to the rotation chamber via a hose or a tube, or, for example, there can also be a direct transition from the inlet chamber into the rotation chamber.
  • the configuration of the inlet chamber is arbitrary and can, for example, be adapted to a basic shape of the flow generator. It is advantageously possible to introduce a plurality of media separately into the inlet chamber and thereby to achieve a mixing of the media before entering the rotation chamber. Another advantage of the inlet chamber is that the medium can be introduced particularly evenly into the rotation chamber in order to buffer, for example, occurring pressure fluctuations in the supply to the flow generator.
  • a radial distributor is arranged in the inlet chamber according to a particularly preferred embodiment of the invention. This causes the medium is particularly evenly directed in a radial direction and enters with radial alignment in the rotation chamber.
  • the radial distributor is conical. Due to the conical design, the medium is particularly uniformly and reliably directed in a radial direction, without causing flow in the medium, which counteract the radial deflection.
  • a nozzle is arranged between inlet chamber and rotation chamber.
  • the nozzle causes an advantageous acceleration of the flowing medium, so that the medium penetrates into the rotation chamber at a particularly high speed and is vortexed particularly intensively.
  • the flow generator can be used in a wide variety of areas.
  • embodiments of the flow generator made of plastic or metal meet the requirements placed on them.
  • injection molding or else casting methods can be used for the production.
  • the special fields of application include, for example, the paper industry, water treatment, sewage treatment plants, power plants, the chemical industry or the food industry.
  • the flow generator according to a particularly preferred embodiment of a noble metal, stainless steel, ceramic or a composite of these materials or at least two components, for which the aforementioned materials as composites or used in combination.
  • the preferred materials or composites of these materials advantageously ensure a particular resistance against, for example, to be mixed acids or other aggressive components in the media. Furthermore, they are particularly easy to clean.
  • a separating unit is arranged on the working space.
  • the separating unit can be arranged at the most different positions in the working space.
  • a part of the separating unit can be arranged in the region of the outlet and a further part of the separating unit above it, for example, to convey a light phase of a medium ascending in the working space out of the working space and the heavy phase of a medium which after sinking down to the outlet, leading out of the working space at the bottom.
  • an arrangement of the separating unit is conceivable in which the separating unit or at least a part of the separating unit is arranged in the inlet region of the flowing medium in the working space. In this case, it is advantageously possible, for example, to discharge large quantities of gaseous media in the working space from the working space. Also, the separating unit can, for example, be arranged in the region of the outlet.
  • the separating unit has at least one first and a second outflow on.
  • This embodiment of the separating unit can be used, for example, in a working space which is used as a cyclone and in which the flowing medium moves in a spiral path from the inlet area into the working space to the outlet. Due to the centrifugal forces occurring and the associated separation of the heavy and light components in the medium, it is possible to direct a centrally located to the working space light medium via a example. Centrally located first drain from the working space and a in the Inner wall of the working space located second medium via an example. Ring to the first outflow arranged second outflow from the working space to lead.
  • the surface i. the wall, at which the flowing medium flows arbitrarily.
  • the wall of the rotary chamber, the flow channel, the connection channel or the wall of the working space with, for example, patterns, patterns, projections, recesses or elevations form. These can, for example, extend helically in order to influence the course of the flowing medium.
  • the surface has, at least in sections, an average roughness (Rz) of 0.006 ⁇ m to 12.5 ⁇ m, preferably 1 ⁇ m to 2.5 ⁇ m, particularly preferably 2.5 ⁇ m to 4 ⁇ m, preferably 4 ⁇ m to 7 ⁇ m and advantageously 10 microns to 12 microns.
  • Rz average roughness
  • the inventive method for mixing and / or separating media with a flow generator provides that a flowing medium is rotated by a rotary chamber in a rotating movement, the flowing, rotating medium is passed through a flow channel from the rotary chamber to a working space and the flowing, rotating medium exits with an orientation of the flow channel in a working space, wherein in the region of the flowing medium, a connection channel opens through which a second medium is introduced or removed.
  • a connection channel opens through which a second medium is introduced or removed.
  • Intensive turbulence distributes the media to be mixed with each other or, depending on the configuration of the turbulence, and the media can separate the media.
  • connection channel is suitable for introducing or removing a second medium into a first medium.
  • the connection channel can be configured differently for this purpose and be arranged at different positions, so that the second medium can be introduced at different times in the flowing medium or discharged from it.
  • Another method for the treatment of liquid media provides that a liquid, flowing medium is fluidized by a rotating chamber and placed in a rotating motion, the liquid rotating medium is passed through a flow channel from the rotary chamber to a working space, the liquid, rotating medium flows out with an orientation from the flow channel into a working space, the liquid, rotating medium in the working space flows to an outlet, wherein the working space in the region of the incoming liquid has a larger cross-section than in the region of the outlet and in the region of the rotary chamber or in the flow direction in the area after the rotation chamber, a medium supplied to the liquid, rotating medium or a component of the liquid, rotating medium is discharged.
  • the process produces multiple, superimposed turbulences that cause a variety of turbulences and through which an increased transformation of the liquid medium takes place.
  • reshaping for example, the structure of the medium is influenced.
  • the reformed medium can have different, ie new properties or functions. This makes it possible, for example, advantageously, existing adhesion and / or cohesion forces are formed by the example.
  • Molecular clusters in the medium break up. In this case, in particular, molecular clusters are reduced in size, or else further media separated from the medium are separated out in the medium and the medium can become more reactive.
  • the method also makes it possible to carry out a sorting of molecules, molecular structures and / or molecular clusters within the working space.
  • a sorting of molecules, molecular structures and / or molecular clusters within the working space.
  • a stripping gas is introduced into the liquid medium.
  • Stripping media is widely known.
  • a second gaseous medium is admitted, wherein the stripping gas separates out a present in the first medium, for example, dissolved substance. This makes it possible, for example, to reduce oxygen, nitrogen and / or carbon dioxide in water.
  • a salt dissolved in the liquid medium and at least temporarily decomposed into at least one gas component is separated from the liquid medium.
  • the carbon dioxide - which is the lighter component compared to the calcium carbonate - migrates to the center of the working space, while the calcium carbonate flows due to its higher weight to an inner wall of the working space.
  • the ability to remove carbon dioxide from the working space prevents re-mixing of the carbon dioxide with the calcium carbonate molecules. If the carbon dioxide is not or only partially removed, it is possible to lead the carbon dioxide with the water and the calcium carbonate crystals out of the working space. In this case, the carbon dioxide present in the medium dissolves in lime deposits located in water-carrying lines. This is because lime deposits are heterogeneous crystals that have lower intermolecular forces than homogeneous crystals. Consequently, it is easier for the carbon dioxide to combine with the heterogeneous crystals of the deposits than with the homogeneous calcium carbonate crystals.
  • the core component 7 is screwed to the head component 2 via a thread (not shown here) and has a radial distributor 8, which is arranged centrally relative to the core component 7 and runs out in pyramidal fashion to form an outer edge 9 of the core component 7.
  • the nozzle 6 is formed by a constriction between the head member 2 and the core member 7, wherein the core member 7 further defines the rotation chamber 5.
  • connection channels 10 a, 10 b are arranged, extending from the rotation chamber 5 extend to a working space 11.
  • a plurality of connection channels 12, 13 are arranged on the core component 7.
  • the first connection channel 12 has an opening 14 on the outer side 15 of the core component 7 and a second opening 16 which opens in the flow channel 10b.
  • the second connection channel 13 has a first opening 17 on the outside of the flow generator 1 and opens with a second opening 18 in the working space 11.
  • the second connection channel 13 is arranged such that it with its second opening 18 in a central position of the working space 11 empties.
  • the flow channels 10a, 10b have an inclination angle (not shown here) of 20 ° to a longitudinal axis of the flow generator 1.
  • the working space 11 has the shape of a truncated cone, wherein the narrow end has an outlet 19.
  • the inlet region 20 of the flowing medium (not shown here) into the working space 11 has a larger cross-section than the outlet 19 through which the medium exits the working space 11.
  • a mixing sleeve 22 is arranged on the flow generator 1.
  • the mixing sleeve 22 is connected via a screw connection (not shown here) to the head component 2 and the core component 7.
  • a collecting channel 23 is arranged, in which the connecting channels 12 open with their respective first opening 14.
  • the collecting channel 23 can be filled via a filler neck (not shown here) with a second medium (not shown here).
  • a first medium (not shown here) is filled via the inlet 3 into the inlet chamber 4.
  • the medium strikes the radial distributor 8 and is deflected towards the nozzle 6 in a radial movement path.
  • the nozzle 6 accelerates the flowing medium and introduces it into the rotary chambers 5.
  • the rotary chamber 5 guides the flowing medium onto a rotating path. Through the nozzle 6 and the rotary chamber 5 caused strong turbulence in the medium.
  • the swirling and rotating medium is conducted from the rotary chamber 5 into the flow channels 10a, 10b.
  • the flowing medium extends in a rotating manner about its own axis on a spiral path through the flow channels 10a, 10b and enters the working space 11 in the inlet region 20.
  • the second medium is introduced via the arranged on the mixing sleeve 22 filler neck 24 into the collecting channel 23.
  • the second medium penetrates via the first openings 14 into the connection channels 12.
  • the second medium is mixed with the first medium via the connection channels 12 opening into the flow channels 10a, 10b.
  • a third medium is additionally introduced into the working space 11 via the second connecting channel 13 and into the medium penetrating from the flow channels 10a, 10b into the working space 11 mixed.
  • the mixed medium flowing out of the flow channels 10a, 10b into the working space 11 enters the working space 11 in bundled form - as a jet.
  • the jet rotates about its own axis and moves in the working space 11 on a spiral path to the outlet 19. Due to the truncated cone-like shape of the working space 11, the rotating, moving on a spiral path medium jet undergoes acceleration to the outlet 19th
  • An in Fig. 2 illustrated second embodiment of a flow generator 30 has a head member 31 with an inlet 32, an inlet chamber 33, a rotary chamber 34, a the inlet chamber 33 and the rotary chamber 34 connecting nozzle 35 and a connecting channel 36.
  • the connection channel 36 is arranged in the central position of the flow generator 30 and leads through the head component 31 and through a core component 37 and opens into a working space 38.
  • the core component 37 comprises two flow channels 39 which connect the rotation chamber 34 with the working space 38.
  • the head component 31 is connected to the core component 37 via a screw connection 41, that core component 37 is in turn connected to the working space 38 via a second screw connection (not shown here).
  • the working space 38 has the shape of a truncated cone, wherein the truncated cone in the region of its larger cross section with the core member 37 via the second screw (not shown) is connected and in the region of the smaller cross section of the working space 38 a separating unit 42 is arranged.
  • the separating unit 42 has a first outflow 43 and a second outflow 44.
  • the first drain 43 is formed as a tube and arranged in the central position to the flow generator 30.
  • the second drain 34 encloses the first drain 43 annularly.
  • water (not shown here), for example, is introduced into the inlet chamber 33 via the inlet 32 with calcium hydrogen carbonate dissolved in the water.
  • the water is introduced into the rotary chamber 34 via the radial distributor 40 and the nozzle 35.
  • the water is directed onto a rotating path guided via the flow channels 39 in the working space 38 on.
  • the water enters into the working space 38 due to the rotational movement about its own axis as a rotating jet and passes through it on a spiral path.
  • the calcium carbonate molecules in the water act as seed crystals, so that a homogeneous crystallization takes place in the working space 38. Because of the workspace 38 acting centrifugal forces migrate the heavy calcium carbonate crystals in the wall portion 45 of the working space 38 and can be discharged via the second drain 44 in admixture with water from the working space 38.
  • Fig. 3 shows an embodiment of an outlet 50 with a molded piece 51 arranged thereon, which is screwed into the outlet 50 via a thread (not shown here).
  • the fitting 51 is chamfered at a first end 53 facing the working space 52.
  • the fitting 51 has a Kavitationsprung 55 on.
  • the medium (not shown here) passes through the outlet 50.
  • the outlet 50 is further tapered by the fitting 51, so that suction of media through the outlet 50 into the working space 52 is prevented.

Claims (13)

  1. Générateur d'écoulement (1, 30) destiné à mélanger et/ou à séparer des fluides, comprenant :
    - une chambre de rotation (5, 34) conçue de telle façon qu'un premier fluide s'écoulant dans la chambre de rotation (5, 34) est mis dans un mouvement de rotation, la chambre de rotation guidant le premier fluide sur une piste rotative, caractérisé par
    - un canal d'écoulement (10a, 10b, 39) conçu comme un tuyau ou comme un perçage ou un fraisage dans une pièce de construction et reliant la chambre de rotation (5, 34) à un espace de travail (11, 38, 52) agencé et conçu de manière à définir une orientation du fluide sortant du canal d'écoulement (10a, 10b, 39) vers l'espace de travail (11, 38, 52), lors de l'entrée dans l'espace de travail (11, 38, 52), le fluide en rotation sur une piste s'écoulant sous forme rassemblée hors du canal d'écoulement dans l'espace de travail (11, 38, 52), et entrant donc dans l'espace de travail (11, 38, 52) sous la forme d'un jet tournant autour d'un axe propre, et
    - en ce qu'une ouverture de sortie du canal d'écoulement (10a, 10b, 39) tournée vers l'espace de travail (11, 38, 52) est agencée et conçue de manière à ce que le fluide sortant soit orienté contre une surface intérieure (45) d'une paroi de délimitation de l'espace de travail (11, 38, 52),
    - et par un canal de raccordement (12, 13, 36) débouchant dans le fluide en écoulement, lequel présente une ouverture dans le côté du fluide en écoulement et une autre dans le côté opposé au fluide en écoulement,
    - le canal de raccordement débouchant avec l'ouverture dans le côté du fluide en écoulement dans le canal d'écoulement ou dans l'espace de travail.
  2. Générateur d'écoulement selon l'une des revendications précédentes, caractérisé en ce que le canal d'écoulement (10a, 10b, 39) présente une courbure et/ou en ce que le canal d'écoulement (10a, 10b, 39) présente une plus grande section transversale dans la région de raccordement à la chambre de rotation (5, 34) que dans la région de raccordement à l'espace de travail (11, 38, 52).
  3. Générateur d'écoulement selon l'une des revendications précédentes, caractérisé en ce que l'espace de travail (11, 38, 52) présente une forme elliptique ou circulaire dans sa section transversale et/ou présente une plus grande section transversale dans la région d'entrée du fluide que dans une évacuation (19, 46, 50) opposée à la région d'entrée.
  4. Générateur d'écoulement selon l'une des revendications précédentes, caractérisé par au moins deux canaux d'écoulement (10a, 10b), auxquels est respectivement attribué au moins un canal de raccordement (12), les canaux de raccordement (12) débouchant particulièrement avantageusement dans un canal de collecte (23) agencé sur une manchette de mélange (22), à leur extrémité détournée du fluide en écoulement.
  5. Générateur d'écoulement selon l'une des revendications précédentes, caractérisé en ce que le canal de raccordement (12) est agencé et conçu de manière à définir une orientation du fluide sortant du canal de raccordement (12) vers le canal d'écoulement (10a, 10b), lors de l'entrée dans le canal d'écoulement (10a, 10b).
  6. Générateur d'écoulement selon l'une des revendications précédentes, caractérisé en ce qu'une buse de sortie ou pièce moulée (51) est agencée sur l'évacuation (50) de l'espace de travail (52).
  7. Générateur d'écoulement selon l'une des revendications précédentes, caractérisé en ce que la chambre de rotation (5, 34) est reliée à une chambre d'entrée (4, 33) agencée en amont de la chambre de rotation (5, 34) dans la direction d'écoulement, dans laquelle est avantageusement agencé un distributeur radial (8, 37) présentant particulièrement avantageusement une forme conique.
  8. Générateur d'écoulement selon l'une des revendications précédentes, caractérisé en ce qu'une buse (6, 35) est agencée entre la chambre d'entrée (4, 33) et la chambre de rotation (5, 34).
  9. Générateur d'écoulement selon l'une des revendications précédentes, caractérisé en ce que le générateur d'écoulement (1, 30) est constitué d'un métal noble, d'acier inoxydable, de céramique ou d'un matériau composite à base de ces matériaux, ou est constitué d'au moins deux pièces de construction, pour lesquelles les matériaux cités ci-dessus sont utilisés en tant que matériaux composites ou de façon combinée.
  10. Générateur d'écoulement selon l'une des revendications précédentes, caractérisé en ce qu'une unité de séparation (42) présentant particulièrement avantageusement au moins une première et une deuxième sortie (43, 44) est agencée sur l'espace de travail (38).
  11. Procédé de mélange et/ou de séparation de fluides, comprenant un générateur d'écoulement (1, 30) selon l'une des revendications précédentes, dans lequel :
    - un fluide en écoulement est déplacé selon un mouvement de rotation à travers une chambre de rotation (5, 34), caractérisé en ce que
    - le fluide en écoulement rotatif est guidé à travers un canal d'écoulement (10a, 10b, 39) conçu comme un tuyau ou comme un perçage ou un frasage dans une pièce de construction, de la chambre de rotation (5, 34) vers un espace de travail (11, 38, 52),
    - le fluide en écoulement rotatif sort du canal d'écoulement (10a, 10b, 39) selon une orientation dans un espace de travail (11,38, 52), et
    - une ouverture de sortie du canal d'écoulement (10a, 10b, 39) tournée vers l'espace de travail (11, 38, 52) est agencée et conçue de telle façon que le fluide sortant est orienté contre une surface intérieure (45) d'une paroi de délimitation de l'espace de travail (11, 38, 52), dans lequel un canal de raccordement (12, 13, 36), à travers lequel est alimenté ou évacué un deuxième fluide, débouche dans la région du fluide en écoulement.
  12. Procédé selon la revendication 11, caractérisé en ce que le fluide en écoulement est un fluide liquide, dans lequel est introduit un gaz de décapage.
  13. Procédé selon la revendication 11, caractérisé en ce qu'un sel dissous dans le fluide liquide en écoulement, qui se décompose au moins temporairement dans au moins un composant gazeux, est séparé à partir du fluide liquide.
EP11169134.1A 2010-06-17 2011-06-08 Générateur d'écoulement Active EP2397220B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010017409A DE102010017409A1 (de) 2010-06-17 2010-06-17 Strömungsgenerator

Publications (3)

Publication Number Publication Date
EP2397220A2 EP2397220A2 (fr) 2011-12-21
EP2397220A3 EP2397220A3 (fr) 2013-07-31
EP2397220B1 true EP2397220B1 (fr) 2016-04-20

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EP11169134.1A Active EP2397220B1 (fr) 2010-06-17 2011-06-08 Générateur d'écoulement

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EP (1) EP2397220B1 (fr)
DE (1) DE102010017409A1 (fr)

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US3351080A (en) * 1965-06-24 1967-11-07 Bendix Corp Fluid device
DE3039510A1 (de) * 1980-10-20 1982-06-03 Hoechst Ag, 6000 Frankfurt Vorrichtung und verfahren zum dispergieren und loesen von polymerpulvern
GB2149679A (en) * 1983-11-14 1985-06-19 Conoco Inc Vortex eductor
US4857197A (en) * 1988-06-29 1989-08-15 Amoco Corporation Liquid separator with tangential drive fluid introduction
DE4021094A1 (de) * 1990-07-03 1992-01-16 Trema Verfahrenstechnik Gmbh Stroemungskammer
DE19820707C1 (de) * 1998-05-11 2000-02-17 Guenther Kramb Emulgiervorrichtung
DE10010880B4 (de) * 2000-02-29 2006-09-07 Torsten Dipl.-Ing. Clauß Verfahren und Vorrichtung zum Ausbringen von flüssigen Medien
GB2390887B (en) * 2001-04-12 2004-06-30 Accentus Plc Valve
DE102004045823A1 (de) * 2004-09-22 2006-03-23 Voith Paper Patent Gmbh Verfahren zum Fraktionieren einer wässrigen Papierfasersuspension sowie Hydrozyklon zur Durchführung des Verfahrens
CN101516784B (zh) 2006-09-28 2012-10-10 沃雷科Ip有限责任公司 旋涡发生器

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DE102010017409A1 (de) 2011-12-22
EP2397220A3 (fr) 2013-07-31

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