EP2146167A1 - Dispositif et procédé destinés à enlever des fluides - Google Patents
Dispositif et procédé destinés à enlever des fluides Download PDFInfo
- Publication number
- EP2146167A1 EP2146167A1 EP08012666A EP08012666A EP2146167A1 EP 2146167 A1 EP2146167 A1 EP 2146167A1 EP 08012666 A EP08012666 A EP 08012666A EP 08012666 A EP08012666 A EP 08012666A EP 2146167 A1 EP2146167 A1 EP 2146167A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cell
- opening
- closure member
- fluidized bed
- particulate materials
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000012530 fluid Substances 0.000 title claims description 10
- 230000008569 process Effects 0.000 claims abstract description 40
- 239000011236 particulate material Substances 0.000 claims description 43
- 238000012545 processing Methods 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 17
- 238000001035 drying Methods 0.000 description 13
- 239000002245 particle Substances 0.000 description 10
- 230000032258 transport Effects 0.000 description 10
- 239000000428 dust Substances 0.000 description 6
- 230000007704 transition Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000005654 stationary process Effects 0.000 description 1
Images
Classifications
-
- 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
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
Definitions
- the n-th cell or discharge cell provided with a discharge device, not shown, is substantially not flowed through by the fluidizing agent, so that material entering the cell without distributor bottom from above or at the inflow base 7 reaches the bottom region and via the discharge device, for example a discharge tube Screw conveyor, can be removed from the discharge cell.
- a discharge device for example a discharge tube Screw conveyor
- 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 materials 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 the requirements. Instead of a curvature, an inclination of otherwise straight-walled swirl vanes 9 can be provided for diverting the flow direction.
- FIG. 7 represents a horizontal section along the line DD of FIG. 6
- the entry cell 15 which is in operative connection with the entry device, not shown, for example, a screw conveyor shown, 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.
- Starting from the entry cell 15 is followed by a plurality of processing cells 16, which are separated by partitions 8 from each other.
- the dividing walls 8 may be directly adjacent to the container wall or at a certain distance thereof within the annular process space 20, which is bounded on the bottom 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 in order to provide additional heat energy for the drying process can.
- the closure member has a coaxial to the shaft arranged circular segment cross-section.
- each closure member in the n-th cell and the associated drive means are arranged outside the container, so that the shaft between the drive means and the closure member passes through the outer contour of the container.
- Embodiments of the invention may be further characterized in that in the wall between the (n-1) -th cell and the n-th cell at least a fourth opening is arranged above the second opening, so that above the gap of particulate materials of the (n-1) th cell can enter the nth cell.
- the walls swirl vanes are arranged, which are inclined or curved in the flow direction of the particulate materials from the first cell to the n-th cell, wherein the outer diameter of the swirl vanes is not greater than the outer diameter of the walls and the swirl vanes of an outer shell are surrounded, which does not protrude radially beyond the outer shell, which surrounds the walls.
- first at least one closure member closes the third opening either from top to bottom or from bottom to top.
- the invention also proposes that the process space is filled with a mixture of particulate materials in such a way and a fluidizing agent is supplied to the process space such that at least in the (n-1) -th cell the fluidized bed builds up at least up to the fourth opening.
- the invention is therefore based on the surprising finding that during operation of the drying apparatus with a continuous feed of particulate matter to be dried and a continuous discharge of dried materials, a fluidized differential pressure gradient is formed, which on the one hand is sufficient as a driving force for transport of the the fluidized bed to be dried particulate materials from processing cell to processing cell and on the other hand ensures a continuous particle movement in front of a closure member which is necessary only between the last processing cell in which the fluidized bed propagates and the Austragszelle without fluidized bed, if the closure member not to Closing an opening of a wall between said last fluidized bed processing cell and the non-fluidized bed discharge cell is used, but for closing an opening of a gap between said the last processing cell and the discharge cell, so that there is no jamming of particles and / or an accumulation of heavy fluidizable product in front of the closure member.
- the knowledge is used that, when the amount of supplied particulate materials of the fluidized bed is increased, the fluidized bed differential pressure increases, so that to ensure steady state process conditions in the fluidized bed with approximately constant filling and product residence time adjustment of the discharge the at least partially at least fluid-free particulate materials have to be made in dependence on said fluidized bed differential pressure.
- This allows for a controlled amount of particulate materials in the fluidized bed, while optimizing the removal of the fluids from the particulate material. Further, even with momentary interruption or reduction of the supply of said mixture of particulate materials into the process space, it is ensured that the fluidized bed in the process space is not depleted of fluidized materials and thus maintained.
- the transport of material in this case runs from the entry cell 15 via the processing cells 16 in the discharge cell 17, through openings in the partitions 8, such as the opening 8b in the partition wall 8a between the last processing cell 16 with distributor plate 7 and the discharge cell 17 without distributor plate.
- materials must be able to flow out of the fluidized bed in accordance with the inflow of the materials, that is, they can leave the drying apparatus 1 through the opening 17a. This can be done in different ways.
- the closure member 42a is made of the in FIG. 5a shown closing position in the in FIG. 5b rotated opening position, in a clockwise direction. This direction of rotation is important because it ensures that the closure member 42a sweeps past the opening 19a from bottom to top, so that coarser parts do not lead to jamming between the closure member 42a on the one hand and the wall 8a and / or the outlet bottom 7 on the other hand.
- a plurality of closure members may be appropriate to influence the opening times.
- the conveyor 30 may be used.
- the closure member 42a can fully release the opening 19a for a short period of time, as in FIG. 5b shown, namely to allow the discharge of any existing coarse particles.
- the required rotational movement of the closure members 42a, 42b also depends on the number of closure members.
- the opening 8c acts as a stationary weir, which allows particulate materials to enter the discharge cell 17 from the processing cell 16.
Landscapes
- 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)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Drying Of Solid Materials (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08012666A EP2146167B1 (fr) | 2008-07-14 | 2008-07-14 | Dispositif et procédé destinés à enlever des fluides |
DE502008000807T DE502008000807D1 (de) | 2008-07-14 | 2008-07-14 | Vorrichtung und Verfahren zum Entfernen von Fluiden |
DK08012666.7T DK2146167T3 (da) | 2008-07-14 | 2008-07-14 | Indretning og fremgangsmåde til fjernelse af fluider |
AT08012666T ATE471493T1 (de) | 2008-07-14 | 2008-07-14 | Vorrichtung und verfahren zum entfernen von fluiden |
CN200980127379.XA CN102099649B (zh) | 2008-07-14 | 2009-07-14 | 用于排除流体和/或固体的设备和方法 |
PCT/EP2009/058977 WO2010007057A1 (fr) | 2008-07-14 | 2009-07-14 | Dispositif et procédé destinés à retirer des fluides et/ou des solides |
US13/003,976 US8844162B2 (en) | 2008-07-14 | 2009-07-14 | Device and method for removing fluids and/or solids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08012666A EP2146167B1 (fr) | 2008-07-14 | 2008-07-14 | Dispositif et procédé destinés à enlever des fluides |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2146167A1 true EP2146167A1 (fr) | 2010-01-20 |
EP2146167B1 EP2146167B1 (fr) | 2010-06-16 |
Family
ID=40029246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08012666A Active EP2146167B1 (fr) | 2008-07-14 | 2008-07-14 | Dispositif et procédé destinés à enlever des fluides |
Country Status (7)
Country | Link |
---|---|
US (1) | US8844162B2 (fr) |
EP (1) | EP2146167B1 (fr) |
CN (1) | CN102099649B (fr) |
AT (1) | ATE471493T1 (fr) |
DE (1) | DE502008000807D1 (fr) |
DK (1) | DK2146167T3 (fr) |
WO (1) | WO2010007057A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014106122A1 (de) | 2014-04-30 | 2015-11-05 | Bma Braunschweigische Maschinenbauanstalt Ag | Wirbelschichtverdampfungstrockner |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB833232A (en) * | 1955-06-06 | 1960-04-21 | Peters Ag Claudius | Improvements connected with delivery valves for silos |
US3360867A (en) * | 1965-11-18 | 1968-01-02 | Komline Sanderson Eng Corp | Batch-type fluidizing apparatus and process |
DE1932388A1 (de) * | 1968-07-01 | 1970-01-22 | Westinghouse Brake & Signal | Ventil zum Steuern der Materialabgabe aus einem Trichter |
DE2421278A1 (de) * | 1973-05-10 | 1974-11-28 | Anhydro As | Apparat zur behandlung fluidisierter materialien |
EP0183154A2 (fr) * | 1984-11-23 | 1986-06-04 | BASF Aktiengesellschaft | Procédé pour la mesure continue du degré de remplissage des appareils à poudres fluidisées |
US4593477A (en) * | 1982-12-16 | 1986-06-10 | The Babcock & Wilcox Company | Control system for a fluidized bed |
JPH11142056A (ja) * | 1997-11-10 | 1999-05-28 | Nara Kikai Seisakusho:Kk | 流動層乾燥装置の粉体排出構造 |
EP0955511A2 (fr) * | 1998-05-07 | 1999-11-10 | ASJ Holding ApS | Appareil pour le séchage d'un matériau particulaire humide par vapeur surchauffée |
EP1044732A1 (fr) * | 1998-11-02 | 2000-10-18 | Kawasaki Jukogyo Kabushiki Kaisha | Classificateur a lit fluidise du type a plusieurs chambres |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1260884A (fr) | 1960-06-02 | 1961-05-12 | English Clays Lovering Pochin | Procédé de séchage d'une matière insoluble à l'état de particules, s'appliquant en particulier au séchage du kaolin |
CH652940A5 (de) | 1982-01-09 | 1985-12-13 | Sandoz Ag | Verfahren zur herstellung nicht staubender granulate und vorrichtung hierfuer. |
JPS61152411A (ja) * | 1984-12-26 | 1986-07-11 | Mitsubishi Gas Chem Co Inc | 多層パリソン及びその製造方法 |
DK165290A (da) * | 1990-07-09 | 1992-01-10 | Dds Eng As | Apparat til toerring af et vaeskeholdigt partikelformet materiale med overhedet damp |
CN2258975Y (zh) * | 1995-06-14 | 1997-08-06 | 蒋大洲 | 一种流化床造粒干燥装置 |
EP1956326B1 (fr) | 2007-02-09 | 2010-04-14 | Braunschweigische Maschinenbauanstalt AG | Dispositif de suppression de fluides et/ou de substances solides |
-
2008
- 2008-07-14 DK DK08012666.7T patent/DK2146167T3/da active
- 2008-07-14 AT AT08012666T patent/ATE471493T1/de active
- 2008-07-14 DE DE502008000807T patent/DE502008000807D1/de active Active
- 2008-07-14 EP EP08012666A patent/EP2146167B1/fr active Active
-
2009
- 2009-07-14 US US13/003,976 patent/US8844162B2/en active Active
- 2009-07-14 CN CN200980127379.XA patent/CN102099649B/zh active Active
- 2009-07-14 WO PCT/EP2009/058977 patent/WO2010007057A1/fr active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB833232A (en) * | 1955-06-06 | 1960-04-21 | Peters Ag Claudius | Improvements connected with delivery valves for silos |
US3360867A (en) * | 1965-11-18 | 1968-01-02 | Komline Sanderson Eng Corp | Batch-type fluidizing apparatus and process |
DE1932388A1 (de) * | 1968-07-01 | 1970-01-22 | Westinghouse Brake & Signal | Ventil zum Steuern der Materialabgabe aus einem Trichter |
DE2421278A1 (de) * | 1973-05-10 | 1974-11-28 | Anhydro As | Apparat zur behandlung fluidisierter materialien |
US4593477A (en) * | 1982-12-16 | 1986-06-10 | The Babcock & Wilcox Company | Control system for a fluidized bed |
EP0183154A2 (fr) * | 1984-11-23 | 1986-06-04 | BASF Aktiengesellschaft | Procédé pour la mesure continue du degré de remplissage des appareils à poudres fluidisées |
JPH11142056A (ja) * | 1997-11-10 | 1999-05-28 | Nara Kikai Seisakusho:Kk | 流動層乾燥装置の粉体排出構造 |
EP0955511A2 (fr) * | 1998-05-07 | 1999-11-10 | ASJ Holding ApS | Appareil pour le séchage d'un matériau particulaire humide par vapeur surchauffée |
EP0955511B1 (fr) | 1998-05-07 | 2003-09-10 | ASJ Holding ApS | Appareil pour le séchage d'un matériau particulaire humide par vapeur surchauffée |
EP1044732A1 (fr) * | 1998-11-02 | 2000-10-18 | Kawasaki Jukogyo Kabushiki Kaisha | Classificateur a lit fluidise du type a plusieurs chambres |
Also Published As
Publication number | Publication date |
---|---|
ATE471493T1 (de) | 2010-07-15 |
US8844162B2 (en) | 2014-09-30 |
DK2146167T3 (da) | 2010-09-27 |
US20110162229A1 (en) | 2011-07-07 |
CN102099649A (zh) | 2011-06-15 |
EP2146167B1 (fr) | 2010-06-16 |
CN102099649B (zh) | 2012-08-01 |
DE502008000807D1 (de) | 2010-07-29 |
WO2010007057A1 (fr) | 2010-01-21 |
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