EP2822694A1 - Zentrifugalabscheider - Google Patents
ZentrifugalabscheiderInfo
- Publication number
- EP2822694A1 EP2822694A1 EP13705995.2A EP13705995A EP2822694A1 EP 2822694 A1 EP2822694 A1 EP 2822694A1 EP 13705995 A EP13705995 A EP 13705995A EP 2822694 A1 EP2822694 A1 EP 2822694A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- centrifugal separator
- dip tube
- optimizing
- cyclone
- channel
- 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 claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000003716 rejuvenation Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 10
- 238000002309 gasification Methods 0.000 description 3
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
- B04C5/04—Tangential inlets
-
- 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
- B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
-
- 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
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
- B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
- C10J3/56—Apparatus; Plants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
Definitions
- the invention is directed to a method for optimizing a centrifugal separator, in particular a recycling cyclone in a high-temperature gasifier.
- Centrifugal separators are known in very different designs.
- DE 103 46 692 A1 shows a droplet separator which, in the transition to the hopper area, has swirl vanes on the outside edge of the immersion pipe terminating there in order to achieve a rotation of the incoming gas flow in the hopper.
- DE 102 05 981 A1 shows activation and deactivation of cyclones
- DE 195 16 817 C1 shows a cyclone with additional elements, such as a spray electrode.
- High-temperature gasifiers were developed to improve the use of, for example, lignite by means of a fluidized-bed gasification process using a so-called high-temperature Winkler gasifier HTW as a further development of Winkler coal gasification, which originally operated at ambient pressure.
- the advantages lie mainly in the better utilization of raw materials, the considerably larger carburetor capacity for large-scale plants and in the avoidance of the formation of by-products.
- a disadvantage of this procedure is, inter alia, that the separation efficiency of the recycling cyclone is not particularly pronounced, which has the consequence that you have to switch cost-intensive hot gas filter behind the cyclone and raw gas cooler. To make matters worse, that in the hot gas filter separated dust is still high amounts of carbon. This dust can thus not be landfilled, but must either be returned to the carburetor via lines and screws or burned at great expense in a separate boiler by means of auxiliary fuel.
- this object is achieved according to a variant of the invention in that a local increase in the centrifugal force is made by internals on the dip tube of the centrifugal.
- a variant of the optimization option according to the invention consists in the fact that a mechanical grain enlargement of the particles to be separated is carried out by an upstream connection of an agglomerator in the inlet region of the centrifugal separator.
- An agglomerator influences the particle size by increasing the collision rate between large and small particles in the inlet area of the cyclone, which significantly improves the degree of separation.
- agglomeration devices are known, see for example the DE
- cyclones work optimally only in very limited operating conditions, For example, with dusts an optimal tangential entry velocity into the cyclone is 10 m / s, the performance is subject to fluctuations during load changes.
- the invention intervenes by changing the cross section of the Zentrifugalabscheidereintritt, said cross-sectional change can be done in very different ways, as indicated below.
- variable cross-sectional change is achieved that the design speed of the cyclone can always be kept constant.
- the invention also provides a device or a centrifugal separator, which is characterized in that a flow-guiding element narrowing the flow channel of the centrifugal separator is provided on the dip tube.
- a narrowing flow element may, as the invention provides, be designed as a cup-shaped guide plate.
- the eccentric, shell-shaped baffle is arranged approximately opposite the gas inlet at the outer region of the dip tube, the baffle pulled to below the lower edge of the gas inlet channel and then to the lower dip tube end rejuvenating the pipe shape.
- the position of the baffle may also vary depending on the design of the centrifugal separator.
- an agglomerator is provided at the inlet of the centrifugal separator, which is supported by a plurality of tubular conveyors passing through the flow channel. mige Strömungsstörianan is formed. These tubular Strömungsstörimplantation can be installed horizontally, vertically or at an angle in the flow channel.
- the invention also provides, in a further embodiment, for the inlet flow channel to be equipped with a movable wall surface or a ceramic slide plate which changes the channel cross-section, with embodiments being able to consist therein in that the horizontally or vertically movable wall surface is designed as a slide or as a wall element curved in the transition region to the centrifuge.
- FIG. 2 to 7 simplified representations of a centrifugal separator
- a system of high-temperature Winkler gasification is shown in simplified form with a carburetor 1, the feed material is supplied via feed tank 2.
- the bottom product is discharged at 3, z. B. by means of a screw conveyor 4.
- the gas acts on a centrifugal separator 5, wherein the solid particles are passed via the line 6 back into the carburetor 1, the gas is removed for further processing via a line 7.
- FIGS. 2 to 7 variants of the influence on the flow in the centrifugal separator 5 are shown:
- Fig. 2 shows the supply of the mixture of solids and gases (arrow 8) in the centrifugal separator 5, wherein the mixture flows around the dip tube 9.
- the dip tube 9 has a flow guide 10, which is welded as a curved baffle on the dip tube 9 or otherwise secured there.
- the baffle 10 tapers, designated in its lower part with 10a, such that at the end of the dip tube 9, the original cross-sectional area of the flow channel is reached again.
- the cleaned gas leaves the centrifugal separator 5 via the pipe 7, which is indicated by an arrow 11.
- the solid particles leave the separator down, which is indicated by an arrow 12.
- FIG. 2 reproduced for better representation at the intended location. This does not have to correspond to the actual installation position.
- FIG. 3 In contrast to Fig. 2 are in the embodiment of FIG. 3 for the formation of an agglomerator, indicated generally at 13, incorporated in the inlet nozzle 14 of the centrifugal 5 tubular Strömungsstörimplantation 15, not only, as shown here, horizontal, but also vertically or diagonally in the inlet channel 14 may be positioned.
- a variant is shown in order to change the cross section of the inlet channel 14 of the centrifugal separator 5, namely by a raised and lowered bottom plate, for. B. also formed as a ceramic plate, which is designated 18, the possibility of movement is indicated by a double arrow 19.
- the ceramic plate designated here by 20
- the ceramic plate can be pivoted vertically to change the cross section, which is indicated by a double arrow 21.
- FIG. 7 also shows the possibility of reducing the cross-section in the inlet region to the centrifugal separator 5 by means of a plate 22 adapted to the curved wall of the separator, the movement being indicated by a double arrow 23.
- the individual measures can also be performed in combination, for example at the same time a cross-sectional constriction of the inlet channel 14 by corresponding ceramic plates 18, 20 or 22 in conjunction with an agglomerator 13 and a flow baffle 10, 10a, to indicate only one possible variation ,
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cyclones (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL13705995T PL2822694T3 (pl) | 2012-03-07 | 2013-02-25 | Separator odśrodkowy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012004590A DE102012004590A1 (de) | 2012-03-07 | 2012-03-07 | Zentrifugalabscheider |
PCT/EP2013/053661 WO2013131768A1 (de) | 2012-03-07 | 2013-02-25 | Zentrifugalabscheider |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2822694A1 true EP2822694A1 (de) | 2015-01-14 |
EP2822694B1 EP2822694B1 (de) | 2021-08-18 |
Family
ID=47749828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13705995.2A Active EP2822694B1 (de) | 2012-03-07 | 2013-02-25 | Zentrifugalabscheider |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP2822694B1 (de) |
CN (1) | CN104334285B (de) |
DE (1) | DE102012004590A1 (de) |
DK (1) | DK2822694T3 (de) |
ES (1) | ES2887334T3 (de) |
PL (1) | PL2822694T3 (de) |
PT (1) | PT2822694T (de) |
RU (1) | RU2014137999A (de) |
TW (1) | TW201347851A (de) |
WO (1) | WO2013131768A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012112182A1 (de) | 2012-12-12 | 2014-06-12 | Thyssenkrupp Uhde Gmbh | Verfahren zum Aufheizen eines Hochtemperatur-Winkler-Vergasers |
CN104128269A (zh) * | 2014-07-11 | 2014-11-05 | 中国石油大学(北京) | 一种切流式并联旋分器 |
CN105381891B (zh) * | 2015-11-24 | 2017-05-03 | 东北石油大学 | 一种提升旋流器分离效率的调节装置 |
CN106621468A (zh) * | 2017-02-20 | 2017-05-10 | 福建龙净环保股份有限公司 | 一种漩涡式灰水浓淡分离装置 |
DE202021000545U1 (de) * | 2021-02-13 | 2021-04-14 | Ralf Abraham | Staubzyklon mit Sekundärabscheidung |
CN117816386B (zh) * | 2024-03-04 | 2024-05-17 | 山东鲁北化工股份有限公司 | 一种钛白粉生产用的卧式螺旋离心机 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3960734A (en) * | 1972-10-10 | 1976-06-01 | Antoni Zagorski | High efficiency cyclone separator |
FI54436C (fi) * | 1976-05-14 | 1978-12-11 | Enso Gutzeit Oy | Hydrocyklon |
US4147630A (en) * | 1977-09-19 | 1979-04-03 | Laval Claude C | Hydraulic separating device with automatic flow control |
GB2116457A (en) * | 1982-03-13 | 1983-09-28 | British Petroleum Co Plc | Inlet mechanism for cyclone separator |
DE3230280C2 (de) * | 1982-08-14 | 1986-09-25 | Filtan, Filter-Anlagenbau GmbH, 6000 Frankfurt | Zyklon |
DE4136935C2 (de) * | 1991-11-11 | 1994-10-06 | Rheinische Braunkohlenw Ag | Zyklonabscheider |
DE19516817C1 (de) * | 1995-05-08 | 1996-06-27 | Univ Karlsruhe | Zyklon mit Sprühelektrode |
DE19815976A1 (de) * | 1998-04-09 | 1999-10-14 | Munters Euroform Gmbh Carl | Abscheideeinrichtung |
CN1073470C (zh) * | 1998-06-02 | 2001-10-24 | 陆东山 | 改进型的固液气三相分级旋流器 |
KR20010014570A (ko) * | 1999-04-23 | 2001-02-26 | 구자홍 | 싸이클론 집진장치의 압력손실 저감 장치 |
DE10135535A1 (de) * | 2001-07-20 | 2003-01-30 | Volkswagen Ag | Tropfenabscheider |
DE10205981B4 (de) * | 2002-02-14 | 2014-01-09 | Mann + Hummel Gmbh | Schaltbare Zyklone zum Abscheiden von Partikeln oder Tropfen aus einem Fluidstrom |
GB2385896B (en) * | 2002-02-27 | 2005-06-08 | Hydro Int Plc | A coupling arrangement including an expandable ring |
GB0221512D0 (en) * | 2002-09-17 | 2002-10-23 | North John H | Improved separation apparatus |
CN2628149Y (zh) * | 2003-06-24 | 2004-07-28 | 宝山钢铁股份有限公司 | 可调式水力旋流器 |
DE10346692A1 (de) * | 2003-10-08 | 2005-06-23 | Volkswagen Ag | Tropfenabscheider |
SE529771C2 (sv) * | 2005-04-29 | 2007-11-20 | Gl & V Man Hungary Kft Hermina | Hydrocyklonenhet och metod för separering av en fibermassasuspension innehållande relativt tunga föroreningar |
CN1974024A (zh) * | 2006-12-29 | 2007-06-06 | 中国石油大学(华东) | 一种级联式旋流分离装置 |
CN101011684B (zh) * | 2007-02-14 | 2010-06-09 | 云国峰 | 环流旋分器 |
CN201140118Y (zh) * | 2007-11-06 | 2008-10-29 | 佳得伟实业有限公司 | 离心分离装置 |
CN201423316Y (zh) * | 2009-06-22 | 2010-03-17 | 陆飞浩 | 一种气液分离器 |
CN201482582U (zh) * | 2009-08-05 | 2010-05-26 | 黄山 | 一种重介旋流器新型溢流管 |
CN201482583U (zh) * | 2009-08-05 | 2010-05-26 | 黄山 | 一种新型两产品重介质旋流器 |
-
2012
- 2012-03-07 DE DE102012004590A patent/DE102012004590A1/de not_active Ceased
-
2013
- 2013-02-25 EP EP13705995.2A patent/EP2822694B1/de active Active
- 2013-02-25 DK DK13705995.2T patent/DK2822694T3/da active
- 2013-02-25 PT PT137059952T patent/PT2822694T/pt unknown
- 2013-02-25 PL PL13705995T patent/PL2822694T3/pl unknown
- 2013-02-25 WO PCT/EP2013/053661 patent/WO2013131768A1/de active Application Filing
- 2013-02-25 CN CN201380013225.4A patent/CN104334285B/zh not_active Expired - Fee Related
- 2013-02-25 RU RU2014137999A patent/RU2014137999A/ru not_active Application Discontinuation
- 2013-02-25 ES ES13705995T patent/ES2887334T3/es active Active
- 2013-03-06 TW TW102107759A patent/TW201347851A/zh unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2013131768A1 * |
Also Published As
Publication number | Publication date |
---|---|
PL2822694T3 (pl) | 2021-12-06 |
CN104334285A (zh) | 2015-02-04 |
TW201347851A (zh) | 2013-12-01 |
EP2822694B1 (de) | 2021-08-18 |
CN104334285B (zh) | 2019-10-18 |
WO2013131768A1 (de) | 2013-09-12 |
ES2887334T3 (es) | 2021-12-22 |
DE102012004590A1 (de) | 2013-09-12 |
DK2822694T3 (da) | 2021-09-13 |
PT2822694T (pt) | 2021-09-21 |
RU2014137999A (ru) | 2016-04-27 |
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