EP1956326B1 - Dispositif de suppression de fluides et/ou de substances solides - Google Patents

Dispositif de suppression de fluides et/ou de substances solides Download PDF

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Publication number
EP1956326B1
EP1956326B1 EP07002861A EP07002861A EP1956326B1 EP 1956326 B1 EP1956326 B1 EP 1956326B1 EP 07002861 A EP07002861 A EP 07002861A EP 07002861 A EP07002861 A EP 07002861A EP 1956326 B1 EP1956326 B1 EP 1956326B1
Authority
EP
European Patent Office
Prior art keywords
twisted blades
fluidizing agent
blades
walls
cells
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP07002861A
Other languages
German (de)
English (en)
Other versions
EP1956326A1 (fr
Inventor
Gerald Caspers
Lothar Dr. Krell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BMA Braunschweigische Maschinenbauanstalt AG
Original Assignee
BMA Braunschweigische Maschinenbauanstalt AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38261548&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1956326(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BMA Braunschweigische Maschinenbauanstalt AG filed Critical BMA Braunschweigische Maschinenbauanstalt AG
Priority to DK07002861.8T priority Critical patent/DK1956326T3/da
Priority to DE502007003463T priority patent/DE502007003463D1/de
Priority to EP07002861A priority patent/EP1956326B1/fr
Priority to ES07002861T priority patent/ES2343439T3/es
Priority to AT07002861T priority patent/ATE464522T1/de
Priority to PL07002861T priority patent/PL1956326T3/pl
Priority to US11/748,074 priority patent/US7578073B2/en
Priority to PCT/EP2008/000971 priority patent/WO2008095718A1/fr
Priority to US12/526,375 priority patent/US20100126034A1/en
Priority to RU2009133788/06A priority patent/RU2455598C2/ru
Priority to CN2008800045240A priority patent/CN101606035B/zh
Priority to JP2009548625A priority patent/JP5164998B2/ja
Priority to TR2009/06147T priority patent/TR200906147T2/xx
Priority to MX2009008538A priority patent/MX2009008538A/es
Priority to BRPI0807221-3A priority patent/BRPI0807221A2/pt
Priority to UAA200909266A priority patent/UA95132C2/uk
Publication of EP1956326A1 publication Critical patent/EP1956326A1/fr
Priority to ZA200905483A priority patent/ZA200905483B/xx
Priority to CO09082400A priority patent/CO6231066A2/es
Publication of EP1956326B1 publication Critical patent/EP1956326B1/fr
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
    • F26B17/101—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis
    • F26B17/104—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis with fixed or moving internal bodies for defining or changing the course of the entrained material

Definitions

  • the invention relates to a device for removing fluids and / or solids from a mixture of particulate materials with a container which forms an annular process chamber with a cylindrical outer contour, with means for introducing and discharging the particulate material into and out of the process space and with a Fan device for feeding a Fluidleitersmitteis from below into the process space and means for processing the fluidizing means in the flow direction in front of the fan device, wherein in the process space by vertically extending walls extending vertically extending cells are formed, one of which is not or to a reduced extent down from the fluidizing agent flows through discharge cell, at the lower end of the discharge is arranged and of which another cell is provided with the entry means and forms an entry cell and the Cells are open at their upper ends.
  • a device is particularly suitable for drying bulk materials and materials from the food industry, but other particulate materials or blends thereof may also be treated with such a device.
  • the container is sealed at the discharge end, as well as at the entry device, via a lock device in order to allow the processing process to proceed under overpressure.
  • a lock device in order to allow the processing process to proceed under overpressure.
  • the process space is in the device according to the DE 699 23 771 T2 formed by a cylindrical outer skin, in which a likewise cylindrical heat exchanger is arranged centrally. Between the outer wall of the heat exchanger and the outer wall of the container vertically oriented partitions are arranged, so that starting from the entry cell process cells in the flow direction are arranged one behind the other and are traversed by the material until it reaches the Austragszelle whose bottom is closed or not vapor-permeable. The lower end of the process chamber is delimited by a distributor bottom, through which the fluidizing agent is blown into the process chamber via a fan, which is arranged below the heat exchanger.
  • a conically widening transition region adjoins to reduce the flow velocity of the material entrained upward and to broaden the flow of vapor.
  • conical sheet metal pieces are used, which can be heated. These conical pieces of sheet metal serve to trap the particles driven by the steam and to lead down again.
  • the conical transition region is subdivided into cells, analogous to the cells in the process space.
  • a common area is formed, which is not divided into cells.
  • a cyclone is arranged, which extends around the heat exchanger and has a closed bottom. From the cyclone dust particles are discharged or connected via a pipe with the discharge cell.
  • Around this cyclone are suspended a number of cylindrical plates in the container which serve to guide the steam as it flows to openings within the cyclone, the plates except for the region opposite the openings leading into the cyclone up to the top of the cyclone Container.
  • An abutment plate may be disposed radially between the cyclone and the outer wall of the container so that the vapor streams can not move around the cyclone but are directed towards the openings of the cyclone.
  • GB 2 121 153 A discloses a method and apparatus for drying a powder material, wherein the material is poured onto a hole bottom to be forced into a spiral motion by means of drying air passing through the hole bottom to form a fluidized bed, so that the material is dried as it rises.
  • the movement of the material is supported by a stirrer with integrated blades.
  • the object of the present invention is to provide an improved device for removing fluids and / or solids, with which a higher drying performance can be realized with a total lower investment volume for the overall device.
  • the apparatus for removing fluids and / or solids from a mixture of particulate materials with a container forming an annular process space having a cylindrical outer contour, with means for introducing and discharging the particulate material into and out of the process space and with a fan device for supplying a fluidizing agent from below into the process chamber and means for processing the fluidizing means in the flow direction in front of the fan device, wherein vertically vertically extending cells are formed in the process space by vertically extending walls, one of which is not or only in formed at the lower end of the discharge means and from which another cell is provided with the entry means and forms an entry cell and the cells are open at its upper end, provides that above the Walls are arranged swirl vanes, which are inclined or curved in the flow direction from the entry cell to the discharge cell whose outer diameter is not greater than the outer diameter of the walls and thus of the process space, wherein the Swordscheinein of an A surrounded outer shell, which does not protrude radially beyond the outer shell of the process space out.
  • the fluidizing agent flows from below through the process space upwards exiting between the swirl vanes in the overlying transition region.
  • the swirl vanes are curved or inclined in such a way that a rotating, homogeneous fluidizing agent stream, referred to as swirl flow, is produced in the free space above, preferably without flow-influencing internals.
  • the centrifugal forces of this swirl flow move the entrained particles radially outward, where they partially fall back down into the area of the swirl blades or back into the process space.
  • the direction of the swirl flow prevents moist particles from entering the discharge cell from entering the discharge cells.
  • the streams of the fluidizing agent entering from the individual cells through the swirl blade area and then into the free space of the transition area have different values with regard to their flow rates and state conditions, which are homogenized in the swirling flow.
  • a conical extension for the transition area and the provision of also conically widening internals and baffles is no longer necessary, so in addition to the Space saving due to the at least constant outer dimensioning in the axial direction can realize a significant material savings in the construction of the device.
  • the cells formed by the vertical walls, at the upper end of which the swirl vanes may join, may extend radially to the outer wall so as to be a true subdivision and barrier in the circumferential direction. Through openings may be present at the lower end of the walls so that the material, in particular coarse particulate materials, can continue to move circumferentially underneath the walls.
  • the number of swirl vanes is substantially independent of the number of vertical walls, the arrangement of the swirl vanes is not limited to the immediate assignment of the upper edge of the walls to the lower edge of the swirl vanes.
  • the swirl vanes may be attached to or formed with the walls, allowing for continuous guidance of both the particulate materials and the fluidizing agent.
  • a dust separator is integrated, on the underside of which the fluidizing agent flows in through additional swirl blades.
  • the supplemental swirl vanes have a similar orientation to the swirl vanes and greater slope or curvature to effect substantially circular flow motion of both the fluidizing agent and the dust particles and particulate matter entrained by the fluidizing agent in the dust collector. It
  • a two-stage deflection of the flow or the particle flow through the swirl blades and the additional swirl blades takes place, whereby a centrifugal field is generated in the dust, in which the entrained dust particles and particulate materials preferably move outside and leave the dust collector through at least one opening in the Staubabscheiderwandung ,
  • An embodiment of the invention provides that the pressure side of the swirl vanes is inclined at the lower edge at an angle of up to 10 ° in relation to the axial flow velocity component of the fluidizing agent.
  • the swirl vanes may also be oriented at their lower edge: parallel to the axial component of the flow of the fluidizing agent and only then tilt or curve.
  • a correspondingly curved or inclined employment of the swirl blades at an angle of up to 10 ° is also provided and possible.
  • the swirl vanes are inclined on their pressure side with respect to the axial flow velocity component at an angle of up to 35 ° to cause a correspondingly strong deflection of both the flow of the fluidizing agent and the particulate materials.
  • a superheater is arranged inside the container, wherein the inner diameter of the swirl blades corresponds to the outer diameter of the superheater.
  • the swirl vanes thus close radially inward with the superheater.
  • the radially outer sides of the swirl vanes extend to the container wall, wherein on the radially outer side, a gap between the lateral edges of the swirl vanes and the container wall can exist.
  • the additional swirl vanes are inclined on their pressure side with respect to the axial flow velocity component of the fluidizing agent at the lower edge at an angle of up to 15 ° in order to effect a stronger deflection of the flow. At its upper edge, the inclination is up to 90 ° to deflect the axial movement almost completely in the circumferential direction. Since the swirl and additional swirl blades are preferably formed from sheet-like material, the correspond Angle of the pressure side in its amount to the angle on the side facing away from the pressure side.
  • supplemental swirl vanes return or return vanes are provided with an inclination or curvature opposite the swirl vanes and the supplemental swirl vanes, the pressure side of which is inclined at an angle of up to 90 ° relative to the axial flow velocity component of the fluidizing agent at the entrance end, the inclination at the exit end is inclined at an angle of up to 0 °, so that from the substantially annular flow in the circumferential direction again a flow is realized parallel to the axial direction.
  • the fluidizing agent is deflected in the axial direction, so that preferably a return to the superheater and the fan take place.
  • the removal of the fluid takes place in one embodiment of the invention via a centrally arranged outlet tube, wherein the return vanes adjoin the outlet tube at their radially inner end.
  • the return vanes can have a double-curved or double-inclined shape, the same applies to the swirl blades and the additional swirl blades.
  • a distributor plate is arranged with flow openings.
  • This distributor plate may have means for influencing the volume flow, so that different volumes of the fluidizing agent are provided in the circumferential direction, that is to say in the transport direction of the material to be treated.
  • the different volumes of the fluidizing agent can be made, for example, depending on the position of the cells. The heavier the material to be treated, ie the more moist the material, the greater the amount of fluidizing agent to apply.
  • the cell with the entry device and the discharge cell can be arranged next to one another, wherein a separation device is provided to avoid direct transport from the entry cell to the discharge cell.
  • a separation device is provided to avoid direct transport from the entry cell to the discharge cell.
  • the material In a juxtaposition of the entry cell and the discharge cell, the material must pass through the entire circumference of the substantially annular process space.
  • a development of the invention provides that the distributor plate is designed so that the discharge of particles from the process space into the swirl blade area by bursting bubbles of the fluidized particles according to the deposition conditions on the swirl blade, preferably radially outside near the container wall.
  • the distributor plate is designed so that the discharge of particles from the process space into the swirl blade area by bursting bubbles of the fluidized particles according to the deposition conditions on the swirl blade, preferably radially outside near the container wall.
  • a larger one at the radially outer region of the inflow bottom Aperture ratio is formed as at the radially inner portion of the inflow base. This means that more or larger passage openings are arranged in the area of the outer wall in the inflow base than in the region of the inner wall of the process space, ie in the vicinity of the superheater.
  • the inflow base is arched.
  • the curvature can be continuous or a number of angularly oriented to one another, formed substantially straight sheets. Due to the curvature of the inflow base in conjunction with the varied opening ratio of the inflow base in the radial direction, a circumferential vortex movement of the particles in the radial direction is generated.
  • the contour is to be seen in the plane of the vertical walls, so that the inflow base below the walls forms a bow or an arcuate Polygonalzug. In contrast, there is a risk of deposition of large, difficult to be fluidized particles at a flat inflow bottom.
  • the distributor plate may have passage opening for the fluidizing agent, which may be formed differently.
  • the passage openings may be formed, for example, as holes, slots or other free passage areas.
  • the flow-through openings can be formed by gaps in the metal sheets from which the distributor plate is made.
  • a larger aperture ratio is arranged in the region of the entry cell than in the region of the discharge cell.
  • the aperture ratio decreases step by step or continuously from the entry cell to the discharge cell.
  • the openings in the inflow base may be perpendicular or at an angle to affect the material within the process space in the movement.
  • FIG. 1 shows in perspective view a device 1 with a container 2, which has a substantially cylindrical outer skin 3.
  • the container 2 is mounted on a frame 4 in order to make the device 1 accessible from below for maintenance.
  • the device 1 with the container 2 is shown in a partially sectioned side view, in which the outer skin 3 has been partially removed. It can be seen that the outer contour of the container 2 is substantially cylindrical. The geometric structure of the container 2 and the components arranged therein will be described below.
  • the set up on the frame 4 container 2 has at its lower end a curved bottom 5, in which a not shown fan wheel is arranged, with which a fluidizing agent, in particular superheated steam, is circulated in the container 2.
  • a substantially cylindrical superheater 6 is arranged, so that the fluidizing agent is introduced from below into a substantially annular process chamber 20 which is formed between the superheater 6 and the outer skin 3.
  • the process space 20 is at its lower End limited by a distributor bottom 7, which allows the passage of the fluidizing agent from below, but does not allow a falling through of the material to be treated.
  • the inflow bottom 7 vertically aligned walls 8 are arranged, which extend from the outer wall of the superheater 6 to the container wall 3 and form cells between them.
  • the walls 8 may extend down to the inflow floor 7 or form a clearance therebetween.
  • the cells formed by the walls 8 are open at the top, so that the fluidizing agent flows through the cells from bottom to top and entrains the material or particles to be treated and optionally transports them to a downstream cell.
  • the cell which is provided with a discharge device (not shown), is not or only to a small extent flowed through by the fluidizing agent, so that material entering the cell from above or at the distributor bottom passes into the bottom region and via the discharge device, for example a screw conveyor the discharge cell can be removed.
  • swirl vanes 9 which may also be arranged between the walls 8 and in their vertical extent approximately correspond to the vertical extent of the walls 8 or go beyond, that is longer than the walls 8 may be.
  • the swirl vanes 9 are aligned on their underside, which faces the walls 8, substantially parallel to the walls 8, so that the pressure side of the swirl blades 9 is oriented at an angle of 0 ° to the axial component of the flow velocity of the fluidizing agent.
  • the swirl blades 9 are formed curved in the illustrated embodiment and are oriented so that the curvature of the entry cell to the discharge shows.
  • the curvature of the entry cell associated swirl blades 9 away from the discharge so that the particle and material flow over the entire circumference of the container 2 and thus the process space 20 must be transported to to get to the discharge cell.
  • the swirl vanes 9 At its upper end, the swirl vanes 9 have a curvature of up to 35 ° to the axial component of the flow rate of the fluidizing means to redirect the flow of the fluidizing means as well as that of the material in the circumferential direction.
  • the swirl vanes 9 represent an extension of the walls 8, which extension may be formed with or without a gap between the swirl vanes 9 and the walls 8.
  • the swirl blades 9 may form a single or double curved surface, ie a curvature around both the axial component and a radial component, to redirect the flow of the fluidizing agent and the direction of movement of the material or solids according to requirements.
  • an inclination of otherwise straight-walled swirl vanes 9 can also be provided for diverting the flow direction.
  • transition region 10 designed as a free space, which is provided without any flow-influencing internals, so that the flow of the fluidizing agent as well as the transport of the material and the particles entrained in the fluidizing agent flow can take place substantially unhindered.
  • This clearance 10, the so-called transition region is annular and allows a free, circular passage of both the material and the fluidizing agent in the horizontal plane.
  • swirl blades 9 and the transition region 10 additional swirl blades 11 are arranged, which also have a single or double curved surface, however, with an entrance angle of up to 15 ° relative to the axial flow velocity component on its pressure side.
  • the exit angle is in the same nomenclature up to 90 °, wherein the inner diameter of the blading corresponds to the outer diameter of the superheater 6.
  • a dust separator 12 is formed, whose outer diameter is smaller than the outer diameter of the process chamber 20 and thus smaller than the outer diameter of the container housing 3 in the region of the walls 8 and the swirl blades 9.
  • the outer diameter of the additional spin blading corresponds to the outer diameter of the dust collector 12.
  • the Au- ⁇ enkontur 3 of the container 2 is at least up to the height of the swirl blades, in the present case to the height of the dust collector 12 and the additional swirl vanes 11 cylindrical, whereby a material-intensive construction of the preferably designed as a pressure vessel container 2 is avoided.
  • the swirl blading creates and promotes a pre-whirl or swirl flow over the fluidized bed present in the process space 20, thereby assisting the required and desired on-going transport from the pick-up cell to the discharge cell.
  • a centrifugal field is generated, in which the dust particles and entrained particulate materials are externally circulated and discharged through an opening.
  • the additional swirl blades 11 are arranged opposite to the twist direction oriented return vanes 13, which deflect the swirl of the fluidizing agent and convert it into a static pressure in order to supply the fluidizing agent to the superheater 6.
  • the return or return vanes 13 also have a single or double curved or inclined surface with an entrance angle of up to 90 ° with respect to the axial flow velocity component of the fluidizing means, the exit angle being up to 10 ° for the same nomenclature.
  • the inner diameter of the blading corresponds to the outer diameter of an outlet pipe 14, while the outer diameter of the blading corresponds to the inner diameter of the superheater 6.
  • FIG. 3 is a sectional view of the device 1, from which the structure of the inflow 7 and the walls 8 can be seen above. Between the walls 8 and the curved or inclined swirl blades 9 a free space is formed, in principle, the swirl blades 9 can also connect directly to the walls 8.
  • the annular transition region 10 above the swirl vanes 9 can be seen as well as the centrally located superheater 6, which extends almost over the entire Length of the container 2 extends, so that above the inflow bottom 7 to the lower edge of the swirl blades 9 of the annular process chamber 20 is formed.
  • the dust collector 12 with the additional swirl vanes 11 arranged at the lower end and the return vanes 13 for deflecting the circulating flow into an axially directed flow can be seen as well as the outer dimension of the return vanes 13, which corresponds to the outer diameter of the superheater 6, and the arrangement of the return vanes 13 around an outlet pipe 14, which is arranged centrally in the container 2.
  • the swirl blading replaces the hitherto customary upwardly tapering cone and achieves deflection of the flow to allow larger particles of the material to be deflected radially outward and decelerated against the vessel wall and fall back down under the influence of gravity for further treatment by the fluidizing agent to be able to.
  • the transport of the particulate materials from the entry cell 15 to the discharge cell 17 is material along the inflow 7 in the circumferential direction through the provided in the walls 8, arranged below cutouts. Furthermore, the transport of the material to be dried takes place above the swirl blades 9 with the help of the swirl flow generated by the swirl blades 9, so that it is possible to dispense with further installations.
  • the additional swirl blades 11 represent an optimized with respect to the pressure loss blading, which redirects the fluidizing agent in an increased swirl flow to be able to deposit via a side cyclone any material or dust particles still present.
  • the return vanes 13 are substantially axial in design and extend radially outwardly from the exit tube 14. As a result, the swirl is reduced and converted into static pressure, which leads to a facilitated return of the fluidizing agent through the superheater 6.
  • the container outer wall 3 can also be adapted to the contour of the dust collector 13, whereby the space required above the additional swirl vanes 11 further reduced.
  • FIG. 4 made a horizontal section along the line DD the FIG. 2
  • an entry device not shown, for example, a screw conveyor, which is disposed immediately adjacent to the discharge cell 17, wherein the entry cell 15 and the discharge cell 17 are fluidly separated from each other so that an immediate transition of Material from the entry cell 15 in the discharge cell 17 is prevented.
  • a plurality of processing cells 16, which are separated from one another by partitions 8, follow each other.
  • the dividing walls 8 can be directly adjacent to the container wall 3 or at a certain distance thereof within the annular process space 20, which is bounded on the underside of the inflow base 7 and at the top of the underside of the swirl blades 9, suspended.
  • intermediate heating walls 18 may be arranged to heat the product to be processed.
  • FIG. 5 is horizontal section along the line CC the FIG. 2 shown, the central arrangement of the superheater 6 and the annular arranged around swirl blades 9 can be seen.
  • the swirl vanes 9 form the extension of the vertical, radially extending walls 8 and extend from the superheater 6 to the outer wall 3 of the container 2.
  • the swirl vanes 9, like the walls 8, are substantially radially aligned and can have a single or double inclination Have curvature to redirect the predominantly axial flow or movement of the material to be dried due to the guided from bottom to top flow of the fluidizing agent and to provide a twist.
  • FIG. 6 shows a section in horizontal plane along the line BB of FIG. 2 from which the swirl blades 9, the additional swirl blades 11 and the substantially cylindrical housing of the dust collector 12 can be seen.
  • the additional swirl blades 11 extend substantially radially outward and lie with its inside on the housing of the superheater 6, radially outwardly they extend to the outer wall of the dust collector 12 and cause due to their inclination or curvature relative to the swirl blades 9 reinforced redirection and thus an increase in the twist. Dust particles can be removed from the dust collector 12, for example, via a side cyclone arranged outside the device 1, and it is likewise possible to guide these dust particles into the discharge chamber 17.
  • return or return vanes 13 are provided which are substantially axially effective and convert the circumferentially oriented flow of the fluidizing agent into a static pressure and deliver the fluidizing agent to the superheater 6 for conditioning or heating.
  • an outlet pipe 14 can be derived by the fluidizing agent.
  • the return vanes 13 extend radially outward from the outlet tube 14 to the periphery of the superheater 6.
  • Other fluidizing agent conditioning means may be provided to condition the same. In particular, cleaning devices must be provided so that the fan or the fan wheel is not damaged by impinging dust particles or the like.
  • a circulating flow guide has the advantage that the particles in the fluidizing agent can be optimally separated via the additional swirl blades 11 and the dust separator 12.
  • the unidirectional circulation direction of the fluidizing agent and the particle also facilitates the recirculation and conversion of the swirl impulse to a static pressure due to the curvature of the return vanes 13 having an opposite orientation relative to the curvature or inclination of the swirl and supplemental swirl vanes 9,11.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Drying Of Solid Materials (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Alcoholic Beverages (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Cyclones (AREA)
  • Dairy Products (AREA)

Claims (26)

  1. Dispositif d'élimination de fluides et/ou de matières solides à partir d'un mélange de matériaux particulaires, comprenant un récipient qui forme une chambre de traitement annulaire, des dispositifs d'introduction de la matière particulaire dans la chambre de traitement et d'évacuation de ladite matière de la chambre de traitement et un dispositif d'aération destiné à l'acheminement d'un milieu de fluidification depuis le bas dans la chambre de traitement, ainsi que des mécanismes de préparation du milieu de fluidification situé en amont du dispositif d'aération dans le sens d'écoulement, des compartiments à extension verticale étant formés dans la chambre de traitement grâce a des parois s'étendant verticalement, l'un des compartiments formant un compartiment d'évacuation qui n'est pas traversé, ou de manière réduite, depuis le bas par le milieu de fluidification, à l'extrémité inférieure duquel est situé le mécanisme d'évacuation, et un autre compartiment étant pourvu du mécanisme d'introduction et étant réalisé sous la forme d'un compartiment d'introduction et les compartiments étant ouverts au niveau de leur extrémité supérieure, des aubes de rotation (9) inclinées ou incurvées dans le sens d'écoulement du compartiment d'introduction (15) vers le compartiment d'évacuation (17) étant agencées au-dessus des parois (8), caractérisé en ce que la chambre de traitement présente un contour extérieur cylindrique, le diamètre extérieur des aubes de rotation (9) n'est pas supérieur au diamètre extérieur des parois (8), les aubes de rotation (9) sont entourées par une enveloppe externe (3), qui ne fait pas saillie radialement au-delà de l'enveloppe externe (3), qui entoure une paroi (8), et des aubes de rotation supplémentaires (11), qui présentent une orientation identique par rapport aux aubes de rotation (9) et une inclinaison ou une courbure plus forte, sont agencées au-dessus des aubes de rotation (9).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'enveloppe externe (3) du récipient (2) est réalisée de manière convergente cylindrique ou conique au-dessus de la chambre de traitement (20).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les compartiments (15, 16, 17) sont réalisés grâce à des parois verticales (8), aux extrémités supérieures desquelles se raccordent les aubes de rotation (9).
  4. Dispositif selon la revendication 3, caractérisé en ce que les aubes de rotation (9) sont réalisées en étant fixées aux parois (8) ou en étant solidaires de celles-ci.
  5. Dispositif selon la revendication 3, caractérisé en ce que les aubes de rotation (9) sont agencées dans le récipient (2) avec un espacement vertical par rapport aux parois (8).
  6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les intrados des aubes de rotation (9) sont inclinés selon un angle pouvant aller jusqu'à 10° par rapport à la composante axiale de vitesse d'écoulement du milieu de fluidification au niveau du bord inférieur.
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les intrados des aubes de rotation (9) sont inclinés selon un angle pouvant aller jusqu'à 35° par rapport à la composante axiale de vitesse d'écoulement au niveau du bord supérieur.
  8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un surchauffeur (6) est agencé à l'intérieur du dispositif et le diamètre intérieur des aubes de rotation (9) correspond au diamètre extérieur du surchauffeur (6).
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'intrados des aubes de rotation supplémentaires (11) est incliné par rapport à la composante axiale de vitesse d'écoulement du milieu de fluidification au niveau du bord inférieur selon un angle pouvant aller jusqu'à 15°.
  10. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'intrados des aubes de rotation (11) est incliné par rapport à la composante axiale de vitesse d'écoulement du milieu de fluidification au niveau du bord supérieur selon un angle pouvant aller jusqu'à 90°.
  11. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un secteur annulaire de transition (10) est réalisé au-dessus des aubes de rotation (9) sans mécanisme destiné à influencer l'écoulement.
  12. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que des aubes de recirculation (13) sont prévues au-dessus des aubes de rotation (9) avec une inclinaison ou une courbure opposée aux aubes de rotation (9), leur intrados par rapport à la composante axiale de vitesse d'écoulement du milieu de fixation au niveau de l'extrémité d'entrée étant incliné selon un angle pouvant aller jusqu'à 90°.
  13. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que des aubes de recirculation (13) sont prévues au-dessus des aubes de rotation (9) avec une inclinaison ou une courbure opposée par rapport aux aubes de rotation (9), leur intrados par rapport à la composante axiale de vitesse d'écoulement du milieu de fluidification au niveau de l'extrémité de sortie, étant incliné selon un angle pouvant aller jusqu'à 0°.
  14. Dispositif selon la revendication 12 ou 13, caractérisé ce que l'extrémité située radialement la plus à l'intérieur des aubes de recirculation (13) est adjacente à un tube de sortie (14) agencé de manière centrale.
  15. Dispositif selon l'une quelconque des revendications 12 à 14, caractérisé en ce que les aubes de recirculation (13) présentent une forme doublement courbée.
  16. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que plusieurs compartiments intermédiaires (16) sont agencés entre le compartiment d'introduction (15) et le compartiment d'évacuation (17).
  17. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le compartiment d'introduction (15) et le compartiment d'évacuation (17) sont juxtaposés.
  18. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les aubes de rotation (9) présentent une forme doublement courbée.
  19. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les aubes de rotation supplémentaires (11) présentent une forme doublement courbée.
  20. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un séparateur de poussière (12) est agencé au-dessus des aubes de rotation (9).
  21. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que des mécanismes destinés au nettoyage, à la conduite de retour et au chauffage (6) du milieu de fluidification sont connectés en amont de l'aérateur.
  22. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la chambre de traitement (20) est limitée au niveau de son extrémité inférieure grâce à un fond d'afflux (7) comprenant des ouvertures d'écoulement.
  23. Dispositif selon la revendication 22, caractérisé en ce que le fond d'afflux (7) présente un contour convexe ou approximativement convexe.
  24. Dispositif selon la revendication 22 ou 23, caractérisé en ce que le fond d'afflux (7) présente des ouvertures perforées pour le milieu de fluidification.
  25. Dispositif selon la revendication 24, caractérisé en ce, au niveau du secteur situé radialement le plus à l'extérieur du fond d'afflux (7), que la surface libre d'écoulement formée grâce aux ouvertures perforées est supérieure au secteur situé radialement le plus à l'intérieur.
  26. Dispositif selon la revendication 24 ou 25, caractérisé en ce que la surface libre d'écoulement formée grâce aux ouvertures d'écoulement décroît dans la direction circonférentielle, à partir du compartiment d'introduction (15).
EP07002861A 2007-02-09 2007-02-09 Dispositif de suppression de fluides et/ou de substances solides Active EP1956326B1 (fr)

Priority Applications (18)

Application Number Priority Date Filing Date Title
DK07002861.8T DK1956326T3 (da) 2007-02-09 2007-02-09 Indretning til fjernelse af fluider og/eller faststoffer
DE502007003463T DE502007003463D1 (de) 2007-02-09 2007-02-09 Vorrichtung zum Entfernen von Fluiden und/oder Feststoffen
EP07002861A EP1956326B1 (fr) 2007-02-09 2007-02-09 Dispositif de suppression de fluides et/ou de substances solides
ES07002861T ES2343439T3 (es) 2007-02-09 2007-02-09 Dispositivo para retirar fluidos y/o sustancias solidas.
AT07002861T ATE464522T1 (de) 2007-02-09 2007-02-09 Vorrichtung zum entfernen von fluiden und/oder feststoffen
PL07002861T PL1956326T3 (pl) 2007-02-09 2007-02-09 Urządzenie do usuwania płynów i/lub materiałów stałych
US11/748,074 US7578073B2 (en) 2007-02-09 2007-05-14 Appliance for removing fluids and/or solids
CN2008800045240A CN101606035B (zh) 2007-02-09 2008-02-08 用于排除流体和/或固体的设备
BRPI0807221-3A BRPI0807221A2 (pt) 2007-02-09 2008-02-08 Dispositivo para remoção de fluidos e/ou substâncias sólidas
RU2009133788/06A RU2455598C2 (ru) 2007-02-09 2008-02-08 Устройство для удаления текучих сред и/или твердых веществ
PCT/EP2008/000971 WO2008095718A1 (fr) 2007-02-09 2008-02-08 Dispositif d'élimination de fluides et / ou de matières solides
JP2009548625A JP5164998B2 (ja) 2007-02-09 2008-02-08 流体および／または固体を除去するための装置
TR2009/06147T TR200906147T2 (tr) 2007-02-09 2008-02-08 Sıvıları ve/veya katıları yok etmek için cihaz.
MX2009008538A MX2009008538A (es) 2007-02-09 2008-02-08 Aparato para remover fluidos y/o solidos.
US12/526,375 US20100126034A1 (en) 2007-02-09 2008-02-08 Device for removing fluids and/or solid substances
UAA200909266A UA95132C2 (uk) 2007-02-09 2008-08-02 Пристрій для видалення текучих середовищ і/або твердих речовин
ZA200905483A ZA200905483B (en) 2007-02-09 2009-08-05 Device for removing fluids and/or solid substances
CO09082400A CO6231066A2 (es) 2007-02-09 2009-08-06 Aparato para la remocion de los fluidos y/o solidos en forma de un sistema de secado del lecho fluidizado, que comprende un recipiente que constituye un espacio de procesamiento en forma de anillo, con celdas de carga y descarga, un ventilador y cuch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07002861A EP1956326B1 (fr) 2007-02-09 2007-02-09 Dispositif de suppression de fluides et/ou de substances solides

Publications (2)

Publication Number Publication Date
EP1956326A1 EP1956326A1 (fr) 2008-08-13
EP1956326B1 true EP1956326B1 (fr) 2010-04-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07002861A Active EP1956326B1 (fr) 2007-02-09 2007-02-09 Dispositif de suppression de fluides et/ou de substances solides

Country Status (17)

Country Link
US (2) US7578073B2 (fr)
EP (1) EP1956326B1 (fr)
JP (1) JP5164998B2 (fr)
CN (1) CN101606035B (fr)
AT (1) ATE464522T1 (fr)
BR (1) BRPI0807221A2 (fr)
CO (1) CO6231066A2 (fr)
DE (1) DE502007003463D1 (fr)
DK (1) DK1956326T3 (fr)
ES (1) ES2343439T3 (fr)
MX (1) MX2009008538A (fr)
PL (1) PL1956326T3 (fr)
RU (1) RU2455598C2 (fr)
TR (1) TR200906147T2 (fr)
UA (1) UA95132C2 (fr)
WO (1) WO2008095718A1 (fr)
ZA (1) ZA200905483B (fr)

Cited By (5)

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EP2457649A1 (fr) 2010-11-25 2012-05-30 BMA Braunschweigische Maschinenbauanstalt AG Installation à lit fluidisé et procédé de fonctionnement d'une installation à lit fluidisé
WO2015166358A1 (fr) 2014-04-30 2015-11-05 Bma Braunschweigische Maschinenbauanstalt Ag Sécheuse à vapeur à lit fluidisé
EP3009776A1 (fr) 2014-10-15 2016-04-20 ASJ-IPR ApS Appareil et procédé de séchage de matière particulaire en vrac
EP3249328A1 (fr) 2013-05-06 2017-11-29 ASJ-IPR ApS Procédé et système de séchage de matières particulaires
EP3460370A1 (fr) 2017-09-22 2019-03-27 ASJ-IPR ApS Ensemble d'inspection de séchoir à vapeur

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EP1491253A1 (fr) * 2003-06-26 2004-12-29 Urea Casale S.A. Procédé et appareil de granulation en lit fluidisé
DE102005023258A1 (de) * 2004-11-16 2006-11-23 Fan Separator Gmbh Drehtrommel zur aeroben Erwärmung rieselfähiger Feststoffe
DK1956326T3 (da) * 2007-02-09 2010-07-19 Braunschweigische Maschb Ansta Indretning til fjernelse af fluider og/eller faststoffer
DK2146167T3 (da) 2008-07-14 2010-09-27 Braunschweigische Maschb Ansta Indretning og fremgangsmåde til fjernelse af fluider
TWI372035B (en) * 2011-01-21 2012-09-11 Yang Yih Machinery Co Ltd Bactericidal baker for tableware
US9950872B2 (en) 2015-11-30 2018-04-24 Superior Manufacturing LLC Bin sweep auger unplugging system
DE102017110534A1 (de) 2017-05-15 2018-11-15 Bma Braunschweigische Maschinenbauanstalt Ag Verdampfungstrockner und Verfahren zu dessen Betrieb
CN113790581B (zh) * 2021-09-16 2023-01-13 山东淼珠生物科技有限公司 一种具有分选干燥功能的节能环保型物料干燥设备
CN116608675B (zh) * 2023-06-19 2023-10-24 常州市范群干燥设备有限公司 一种闪蒸干燥设备

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2457649A1 (fr) 2010-11-25 2012-05-30 BMA Braunschweigische Maschinenbauanstalt AG Installation à lit fluidisé et procédé de fonctionnement d'une installation à lit fluidisé
DE102010052344A1 (de) 2010-11-25 2012-05-31 Bma Braunschweigische Maschinenbauanstalt Ag Wirbelschichtapparat und Verfahren zum Betreiben eines Wirbelschichtapparates
EP3249328A1 (fr) 2013-05-06 2017-11-29 ASJ-IPR ApS Procédé et système de séchage de matières particulaires
WO2015166358A1 (fr) 2014-04-30 2015-11-05 Bma Braunschweigische Maschinenbauanstalt Ag Sécheuse à vapeur à lit fluidisé
DE102014106122A1 (de) 2014-04-30 2015-11-05 Bma Braunschweigische Maschinenbauanstalt Ag Wirbelschichtverdampfungstrockner
EP3009776A1 (fr) 2014-10-15 2016-04-20 ASJ-IPR ApS Appareil et procédé de séchage de matière particulaire en vrac
EP3009777A1 (fr) 2014-10-15 2016-04-20 ASJ-IPR ApS Appareil et procédé de séchage de matière particulaire en vrac
DE202015009570U1 (de) 2014-10-15 2018-05-04 ASJ-IPR ApS Vorrichtung zum Trocknen von teilchenförmigem Schüttgut
EP3351884A1 (fr) 2014-10-15 2018-07-25 ASJ-IPR ApS Appareil et procédé de séchage de matière particulaire en vrac
EP3460370A1 (fr) 2017-09-22 2019-03-27 ASJ-IPR ApS Ensemble d'inspection de séchoir à vapeur

Also Published As

Publication number Publication date
US20100126034A1 (en) 2010-05-27
EP1956326A1 (fr) 2008-08-13
CN101606035A (zh) 2009-12-16
RU2009133788A (ru) 2011-03-20
ES2343439T3 (es) 2010-07-30
JP5164998B2 (ja) 2013-03-21
ZA200905483B (en) 2010-04-28
JP2010518349A (ja) 2010-05-27
PL1956326T3 (pl) 2010-09-30
CO6231066A2 (es) 2010-12-20
TR200906147T2 (tr) 2010-01-21
DE502007003463D1 (de) 2010-05-27
DK1956326T3 (da) 2010-07-19
US7578073B2 (en) 2009-08-25
BRPI0807221A2 (pt) 2014-04-29
MX2009008538A (es) 2009-08-26
UA95132C2 (uk) 2011-07-11
CN101606035B (zh) 2012-07-25
RU2455598C2 (ru) 2012-07-10
WO2008095718A1 (fr) 2008-08-14
US20080189980A1 (en) 2008-08-14
ATE464522T1 (de) 2010-04-15

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