EP2822694B1 - Séparateur centrifuge - Google Patents

Séparateur centrifuge Download PDF

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Publication number
EP2822694B1
EP2822694B1 EP13705995.2A EP13705995A EP2822694B1 EP 2822694 B1 EP2822694 B1 EP 2822694B1 EP 13705995 A EP13705995 A EP 13705995A EP 2822694 B1 EP2822694 B1 EP 2822694B1
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EP
European Patent Office
Prior art keywords
centrifugal separator
flow
channel
immersion tube
inlet
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
EP13705995.2A
Other languages
German (de)
English (en)
Other versions
EP2822694A1 (fr
Inventor
Ralf Abraham
Dobrin Toporov
Domenico Pavone
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.)
Gidara Energy BV
Original Assignee
Gidara Energy BV
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
Application filed by Gidara Energy BV filed Critical Gidara Energy BV
Priority to PL13705995T priority Critical patent/PL2822694T3/pl
Publication of EP2822694A1 publication Critical patent/EP2822694A1/fr
Application granted granted Critical
Publication of EP2822694B1 publication Critical patent/EP2822694B1/fr
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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 centrifugal separator according to the preamble of claim 1.
  • Centrifugal separators are known in very different designs.
  • the DE 103 46 692 A1 a droplet separator, which in the transition to the funnel area has swirl blades on the outer edge of the immersion tube ending there in order to achieve a rotation of the incoming gas flow in the funnel.
  • Cyclones that can be switched on and off are shown, for example, by the DE 102 05 981 A1 while the DE 195 16 817 C1 shows a cyclone with additional elements such as a spray electrode.
  • centrifugal separator is also known with a tubular outer jacket, with a diffuser attached to its inlet side and with an immersion tube located in its longitudinal axis.
  • a deflecting shield widening in the direction of the end of the immersion tube is arranged on the immersion tube coaxially with the latter.
  • High-temperature gasifiers were developed to improve the use of lignite, for example, by means of a fluidized-bed gasification process using a so-called high-temperature Winkler gasifier HTW as a further development of the Winkler coal gasification, which originally worked at ambient pressure.
  • the main advantages are the better use of raw materials, the considerably larger gasifier capacity for large-scale plants and the avoidance of the formation of by-products.
  • the object of which is to significantly increase the degree of separation of a centrifugal separator, in particular of a return cyclone in a high-temperature gasifier.
  • a method for optimizing a centrifugal separator, in particular a recirculation cyclone in a high-temperature gasifier, is also described, with a local increase in the centrifugal force being carried out by means of built-ins on the immersion tube of the centrifugal separator.
  • a variant of the optimization option consists in that a mechanical grain enlargement of the particles to be separated is carried out by connecting an agglomerator upstream in the inlet area of the centrifugal separator.
  • An agglomerator influences the particle size by increasing the collision rate between large and small particles in the entry area of the cyclone, which significantly improves the degree of separation.
  • agglomeration devices are known, see for example the DE 198 15 976 A1 .
  • variable cross-section change it is achieved that the design speed of the cyclone can always be kept constant.
  • the invention provides a centrifugal separator which is characterized in that a flow guide element which narrows the flow channel of the centrifugal separator is provided on the immersion tube.
  • a flow guide element which narrows the flow channel of the centrifugal separator is provided on the immersion tube.
  • Such a narrowing flow element is, as the invention provides, designed as a bowl-shaped guide plate.
  • the invention also provides that the eccentric, shell-shaped baffle is arranged approximately opposite the gas inlet on the outer area of the immersion tube, the baffle being drawn to below the lower edge of the gas inlet channel and then extending to the lower end of the immersion tube Tapered tube shape again.
  • the position of the baffle can also vary depending on the design of the centrifugal separator.
  • an agglomerator is provided at the inlet of the centrifugal separator according to the invention, the agglomerator being of a plurality of tubular ones penetrating the flow channel
  • Flow disruptive elements is formed. These tubular flow disruptive elements can be built into the flow channel horizontally, vertically or at an angle.
  • the invention also provides in a further embodiment that the inlet flow channel is equipped with a movable wall surface that changes the channel cross-section or with a ceramic slide plate, which may include configurations that the horizontally or vertically movable wall surface is designed as a slide or as a wall element curved in the transition area to the centrifuge.
  • a system of high-temperature Winkler gasification is shown in simplified form with a gasifier 1 to which the feed material is fed via storage container 2.
  • the bottom product is discharged at 3, for example by means of a screw conveyor 4.
  • the gas acts on a centrifugal separator 5, the solid particles being fed back into the gasifier 1 via the line 6; the gas is discharged via a line 7 for further processing.
  • Fig. 2 shows the feeding of the mixture of solids and gases (arrow 8) into the centrifugal separator 5, the mixture flowing around the immersion tube 9.
  • the immersion tube 9 has a flow guide element 10, which is welded onto the immersion tube 9 as a curved guide plate or is fastened there in some other way.
  • the guide plate 10 designated in its lower area with 10a, tapers in such a way that the original cross-sectional area of the flow channel is reached again at the end of the immersion tube 9.
  • 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 in a downward direction, which is indicated by an arrow 12.
  • tubular flow disruptive elements 15 installed in the inlet connection 14 of the centrifugal separator 5, which can be positioned not only horizontally, as shown here, but also vertically or diagonally in the inlet channel 14.
  • FIG. 4 The cross-section of the inlet channel 14 into the centrifugal separator 5 can be achieved by a locking element that can be raised or lowered or a ceramic slide plate 16 can be changed. This movement is indicated by a double arrow 17.
  • Fig. 5 a variant is shown in order to be able to change the cross section of the inlet channel 14 of the centrifugal separator 5, namely by means of a raised and lowered base plate, e.g. also designed as a ceramic plate, which is denoted by 18; the possibility of movement is indicated by a double arrow 19.
  • a raised and lowered base plate e.g. also designed as a ceramic plate, which is denoted by 18; the possibility of movement is indicated by a double arrow 19.
  • the ceramic plate here denoted by 20, can be pivoted vertically to change the cross section, which is indicated by a double arrow 21.
  • FIG. 7 There is also the possibility of reducing the cross section in the inlet area to the centrifugal separator 5 by means of a plate 22 adapted to the curved wall of the separator; the movement is indicated by a double arrow 23.
  • the individual measures can also be carried out in combination, for example at the same time a cross-sectional narrowing of the inlet channel 14 by means of corresponding ceramic plates 18, 20 or 22 in connection with an agglomerator 13 and a flow guide plate 10, 10a, in order 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)

Claims (5)

  1. Séparateur centrifuge comportant un tube plongeur (9) et un canal d'entrée (14),
    caractérisé en ce
    qu'un élément de direction d'écoulement est prévu sur la zone extérieure du tube plongeur (9), lequel élément de direction d'écoulement est réalisé sous la forme d'une chicane (10) excentrique en forme de coquille et rétrécit un canal d'écoulement du séparateur centrifuge (5), et est disposé approximativement en face de l'entrée de gaz, la chicane (10) étant étirée jusqu'en dessous d'un bord inférieur du canal d'entrée (14) puis se rétrécissant à nouveau en direction de l'extrémité inférieure de tube plongeur de la forme de tube.
  2. Séparateur centrifuge selon la revendication 1 ou selon le préambule de la revendication 1,
    caractérisé en ce
    qu'au niveau du canal d'entrée (14) du séparateur centrifuge (5), un agglomérateur (13) est formé d'une pluralité d'éléments perturbateurs d'écoulement (15) en forme de tube traversant le canal d'écoulement.
  3. Séparateur centrifuge selon la revendication 2,
    caractérisé en ce
    que les éléments perturbateurs d'écoulement (15) sont installés horizontalement, verticalement ou en biais dans le canal d'écoulement.
  4. Séparateur centrifuge selon l'une des revendications précédentes,
    caractérisé en ce
    que le canal d'entrée (14) est pourvu d'une surface de paroi mobile qui modifie la section transversale de canal, ou d'une plaque coulissante en céramique (16).
  5. Séparateur centrifuge selon la revendication 4,
    caractérisé en ce
    que la surface de paroi (16, 18, 20) peut être déplacée horizontalement ou verticalement, et en ce que la surface de paroi (16, 18, 20) est réalisée sous forme de glissière ou d'élément de paroi (22) incurvé(e) en direction du centrifugeur dans la zone de transition.
EP13705995.2A 2012-03-07 2013-02-25 Séparateur centrifuge Active EP2822694B1 (fr)

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 (fr) 2012-03-07 2013-02-25 Séparateur centrifuge

Publications (2)

Publication Number Publication Date
EP2822694A1 EP2822694A1 (fr) 2015-01-14
EP2822694B1 true EP2822694B1 (fr) 2021-08-18

Family

ID=47749828

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13705995.2A Active EP2822694B1 (fr) 2012-03-07 2013-02-25 Séparateur centrifuge

Country Status (10)

Country Link
EP (1) EP2822694B1 (fr)
CN (1) CN104334285B (fr)
DE (1) DE102012004590A1 (fr)
DK (1) DK2822694T3 (fr)
ES (1) ES2887334T3 (fr)
PL (1) PL2822694T3 (fr)
PT (1) PT2822694T (fr)
RU (1) RU2014137999A (fr)
TW (1) TW201347851A (fr)
WO (1) WO2013131768A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
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CN201482583U (zh) * 2009-08-05 2010-05-26 黄山 一种新型两产品重介质旋流器

Also Published As

Publication number Publication date
TW201347851A (zh) 2013-12-01
RU2014137999A (ru) 2016-04-27
DE102012004590A1 (de) 2013-09-12
ES2887334T3 (es) 2021-12-22
DK2822694T3 (da) 2021-09-13
WO2013131768A1 (fr) 2013-09-12
PT2822694T (pt) 2021-09-21
PL2822694T3 (pl) 2021-12-06
CN104334285A (zh) 2015-02-04
CN104334285B (zh) 2019-10-18
EP2822694A1 (fr) 2015-01-14

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