WO2001021286A1 - Procede et appareil permettant d'extraire des particules solides d'un gaz - Google Patents

Procede et appareil permettant d'extraire des particules solides d'un gaz Download PDF

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Publication number
WO2001021286A1
WO2001021286A1 PCT/NL2000/000670 NL0000670W WO0121286A1 WO 2001021286 A1 WO2001021286 A1 WO 2001021286A1 NL 0000670 W NL0000670 W NL 0000670W WO 0121286 A1 WO0121286 A1 WO 0121286A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas flow
separating
vortex
particles
solid particles
Prior art date
Application number
PCT/NL2000/000670
Other languages
English (en)
Inventor
Johannes Laurentius Raas
Rudolf Hunik
Original Assignee
N.V. Kema
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 N.V. Kema filed Critical N.V. Kema
Priority to AU79693/00A priority Critical patent/AU7969300A/en
Publication of WO2001021286A1 publication Critical patent/WO2001021286A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
    • B01D51/02—Amassing the particles, e.g. by flocculation
    • B01D51/06—Amassing the particles, e.g. by flocculation by varying the pressure of the gas or vapour
    • B01D51/08—Amassing the particles, e.g. by flocculation by varying the pressure of the gas or vapour by sound or ultrasonics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct

Definitions

  • the invention relates to a method for separating a substance from a gas, comprising of realizing a vortex in the gas and separating the gas flow transversely of the axial direction of the vortex into a primary partial gas flow and a secondary partial gas flow, wherein the secondary partial gas flow comprises a larger content of substance for separating than the primary partial gas flow.
  • Such a method is known from WO-A-99/01194.
  • the method described in this document relates to removing water from natural gas before the natural gas is distributed in a pipeline network.
  • Natural gas naturally contains water in the form of water vapour, which is undesirable in respect of corrosion or clogging.
  • the above stated method is applied to prevent this.
  • the water vapour is condensed by cooling, thereby causing a difference in density of the gas flows, so that the effect of the method according to the present invention is enhanced.
  • the object of the invention is to provide a method wherein solid particles can be removed from large volumes of gas without too great a pressure loss and without excessive use of energy. This objective is achieved in that the substance to be separated comprises initially solid particles .
  • Solid particles are understood to mean not only dust particles, grains and other particles included in the classical definition of "solid”, but also particles of viscous material, such as tar particles.
  • chemical or physical reaction agents are added to the gas flow prior to or during forming of the vortex in the gas flow.
  • reaction agents physical or chemical reactions can be excited or enhanced which result in changes in the properties of the dust particles for separating, so that the separating mechanism has a better action. This is particularly effective when the reaction agents are suitable for enhancing the condensation on the solid particles of gases taken up in the gas flow.
  • the particles are exposed to a catalyst for degrading the particles during performing of the method.
  • the invention also relates to a device for separating substances from a gas flow, comprising a device for forming a vortex in the gas flow and separating means for separating the gas flow into a primary gas flow and a secondary gas flow, wherein the secondary gas flow comprises a larger content of the substance for separating than the primary gas flow, wherein the device is dimensioned to separate initially solid particles.
  • a device for separating substances from a gas flow comprising a device for forming a vortex in the gas flow and separating means for separating the gas flow into a primary gas flow and a secondary gas flow, wherein the secondary gas flow comprises a larger content of the substance for separating than the primary gas flow, wherein the device is dimensioned to separate initially solid particles.
  • acceleration to supersonic speeds takes place.
  • the invention also relates to a device wherein the acceleration device is adapted to accelerate the gas flow to a supersonic speed.
  • chemical or physical reaction agents are added to the gas flow prior to or during forming of the vortex in the gas flow.
  • the present invention further relates to a device wherein a feed device is placed preceding the vortex for feeding chemical or physical reaction agents to the gas flow for the purpose of removing solid particles from a gas, comprising a device for forming a vortex in the gas flow and separating means for separating the gas flow into a primary gas flow and a secondary gas flow, wherein the secondary gas flow comprises a larger content of solid particles.
  • a feed device is placed preceding the vortex for feeding chemical or physical reaction agents to the gas flow.
  • the device shown in figure 1 comprises a tube l which is provided with a first venturi 2. Downstream of the venturi 2 are arranged baffles 3 for forming of a swirl or vortex in the subsequent part of the tube.
  • a device 4 is further arranged downstream for separating the gas flow into a primary gas flow, which is designated with arrow 5, and a secondary gas flow, which is designated with arrow 6.
  • a primary gas flow which is designated with arrow 5
  • a secondary gas flow which is designated with arrow 6.
  • a pump or other device is of course placed upstream to cause the gas flow. It will be apparent that it is likewise possible to place a pump downstream.
  • Use is made in the drawn embodiment of an additional acceleration device in the form of an extra venturi 8.
  • Use is further made in the device of a feed channel 7 which is suitable for feeding chemical or physical reaction agents in the form of for instance gases or vapours . As a result of this reaction it is possible to have chemical reactions occur prior to the venturi 2.
  • a layer of catalyst material 9 is applied in the vicinity of the discharge channels for the secondary gas flows 6. There is after all in the vicinity of these channels the greatest likelihood of sticky particles making contact with the wall and adhering to the wall .
  • the catalyst material converts the adhered particles into fluid or gaseous material which can be readily taken up into the secondary gas flow.
  • chemical or physical reaction agents are added to the gas flow prior to or during forming of the vortex in the gas flow.

Abstract

L'invention concerne un procédé et un appareil permettant de séparer une substance d'un écoulement gazeux. Ce procédé consiste à créer un tourbillon dans l'écoulement gazeux puis à séparer l'écoulement gazeux de manière transversale par rapport à la direction axiale du tourbillon dans un écoulement gazeux partiel primaire et dans un écoulement gazeux partiel secondaire, ce dernier comprenant une plus grand quantité de substance devant être séparée que l'écoulement gazeux partiel primaire. Avant de créer le tourbillon, on accélère l'écoulement gazeux à des vitesses supersoniques. La substance devant être séparée comprend des particules solides. On peut noter que les particules solides n'obstruent pas l'appareil. C'est d'autant plus surprenant que l'écoulement gazeux contient des composants qui se condensent dans l'appareil. La condensation des particules est ensuite effectuée, suite à quoi ces particules deviennent alors gluantes.
PCT/NL2000/000670 1999-09-24 2000-09-20 Procede et appareil permettant d'extraire des particules solides d'un gaz WO2001021286A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU79693/00A AU7969300A (en) 1999-09-24 2000-09-20 Method and apparatus for removing solid particles from a gas

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1013135A NL1013135C2 (nl) 1999-09-24 1999-09-24 Werkwijze en inrichting voor het verwijderen van vaste deeltjes uit een gas.
NL1013135 1999-09-24

Publications (1)

Publication Number Publication Date
WO2001021286A1 true WO2001021286A1 (fr) 2001-03-29

Family

ID=19769934

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2000/000670 WO2001021286A1 (fr) 1999-09-24 2000-09-20 Procede et appareil permettant d'extraire des particules solides d'un gaz

Country Status (3)

Country Link
AU (1) AU7969300A (fr)
NL (1) NL1013135C2 (fr)
WO (1) WO2001021286A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003092858A1 (fr) * 2002-04-29 2003-11-13 Shell Internationale Research Maatschappij B.V. Separation de fluide supersonique amelioree, par injection en pulverisation
US6962199B1 (en) 1998-12-31 2005-11-08 Shell Oil Company Method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead choke
CN100357018C (zh) * 2005-06-07 2007-12-26 蒋遂安 一种反应物质发生快速反应的方法
US7318849B2 (en) 2002-04-29 2008-01-15 Shell Oil Company Cyclonic fluid separator equipped with adjustable vortex finder position
US7494535B2 (en) 2002-09-02 2009-02-24 Shell Oil Company Cyclonic fluid separator
WO2009084945A1 (fr) * 2007-12-28 2009-07-09 Twister B.V. Procédé de séparation et de solidification du dioxyde de carbone d'un écoulement de fluide et ensemble de séparation de fluides
EP2226109A1 (fr) * 2009-03-04 2010-09-08 J.E.H. Tetteroo Installation et procédure d'échantillonnage de particules fines
CN105189954A (zh) * 2013-03-13 2015-12-23 巴斯夫公司 用于贫燃发动机的旋风分离器颗粒过滤
EP3363520A1 (fr) * 2017-02-17 2018-08-22 General Electric Company Procédé et dispositif de séparation gaz-liquide
WO2022263688A1 (fr) * 2021-06-15 2022-12-22 Arquimea Group S.A. Système de condensation de la vapeur d'eau atmosphérique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007010816U1 (de) * 2007-08-02 2008-12-11 Mann+Hummel Gmbh Ölabscheidevorrichtung, insbesondere zur Kurbelgehäuseentlüftung

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1206007A (en) * 1967-01-26 1970-09-23 Eidgenoess Flugzeugwerk Emmen Devices for separating a liquid and/or a vapour from a flowing carrier gas stream
US3894851A (en) * 1972-02-07 1975-07-15 Midwest Research Inst Removal of particulate matter with supersonic droplets
US4285916A (en) * 1978-08-29 1981-08-25 Baisden C Robert Exhaust gas pollution control system
US4292050A (en) * 1979-11-15 1981-09-29 Linhardt & Associates, Inc. Curved duct separator for removing particulate matter from a carrier gas
EP0496128A1 (fr) * 1991-01-25 1992-07-29 Stork Product Engineering B.V. Procédé et dispositif pour séparer un gaz d'un mélange gazeux
WO1995003872A1 (fr) * 1993-07-27 1995-02-09 Europäische Atomgemeinschaft (Euratom) Machine permettant de separer des particules d'aerosol
US5857326A (en) * 1997-11-24 1999-01-12 General Motors Corporation Exhaust poison trap
WO1999001194A1 (fr) * 1997-07-02 1999-01-14 Shell Internationale Research Maatschappij B.V. Procede servant a supprimer un constituant gazeux depuis un liquide
WO2000040834A1 (fr) * 1998-12-31 2000-07-13 Shell Internationale Research Maatschappij B.V. Procede d'evacuation de condensables d'un flux de gaz naturel, au niveau d'une tete de puits, en aval de la duse de tete de puits

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1206007A (en) * 1967-01-26 1970-09-23 Eidgenoess Flugzeugwerk Emmen Devices for separating a liquid and/or a vapour from a flowing carrier gas stream
US3894851A (en) * 1972-02-07 1975-07-15 Midwest Research Inst Removal of particulate matter with supersonic droplets
US4285916A (en) * 1978-08-29 1981-08-25 Baisden C Robert Exhaust gas pollution control system
US4292050A (en) * 1979-11-15 1981-09-29 Linhardt & Associates, Inc. Curved duct separator for removing particulate matter from a carrier gas
EP0496128A1 (fr) * 1991-01-25 1992-07-29 Stork Product Engineering B.V. Procédé et dispositif pour séparer un gaz d'un mélange gazeux
WO1995003872A1 (fr) * 1993-07-27 1995-02-09 Europäische Atomgemeinschaft (Euratom) Machine permettant de separer des particules d'aerosol
WO1999001194A1 (fr) * 1997-07-02 1999-01-14 Shell Internationale Research Maatschappij B.V. Procede servant a supprimer un constituant gazeux depuis un liquide
US5857326A (en) * 1997-11-24 1999-01-12 General Motors Corporation Exhaust poison trap
WO2000040834A1 (fr) * 1998-12-31 2000-07-13 Shell Internationale Research Maatschappij B.V. Procede d'evacuation de condensables d'un flux de gaz naturel, au niveau d'une tete de puits, en aval de la duse de tete de puits

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6962199B1 (en) 1998-12-31 2005-11-08 Shell Oil Company Method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead choke
WO2003092858A1 (fr) * 2002-04-29 2003-11-13 Shell Internationale Research Maatschappij B.V. Separation de fluide supersonique amelioree, par injection en pulverisation
US7261766B2 (en) 2002-04-29 2007-08-28 Shell Oil Company Supersonic fluid separation enhanced by spray injection
US7318849B2 (en) 2002-04-29 2008-01-15 Shell Oil Company Cyclonic fluid separator equipped with adjustable vortex finder position
US7494535B2 (en) 2002-09-02 2009-02-24 Shell Oil Company Cyclonic fluid separator
CN100357018C (zh) * 2005-06-07 2007-12-26 蒋遂安 一种反应物质发生快速反应的方法
WO2009084945A1 (fr) * 2007-12-28 2009-07-09 Twister B.V. Procédé de séparation et de solidification du dioxyde de carbone d'un écoulement de fluide et ensemble de séparation de fluides
CN101959574A (zh) * 2007-12-28 2011-01-26 缠绕机公司 从流体流和流体分离组合件中移除和固化二氧化碳的方法
EA018055B1 (ru) * 2007-12-28 2013-05-30 Твистер Б.В. Способ удаления и отверждения диоксида углерода из потока текучей среды и устройство разделения текучей среды
US8475572B2 (en) 2007-12-28 2013-07-02 Twister B.V. Method of removing and solidifying carbon dioxide from a fluid stream and fluid separation assembly
EP2226109A1 (fr) * 2009-03-04 2010-09-08 J.E.H. Tetteroo Installation et procédure d'échantillonnage de particules fines
CN105189954A (zh) * 2013-03-13 2015-12-23 巴斯夫公司 用于贫燃发动机的旋风分离器颗粒过滤
EP2971627A1 (fr) * 2013-03-13 2016-01-20 BASF Corporation Filtration particulaire à cyclone pour moteurs à mélange pauvre
EP3363520A1 (fr) * 2017-02-17 2018-08-22 General Electric Company Procédé et dispositif de séparation gaz-liquide
WO2022263688A1 (fr) * 2021-06-15 2022-12-22 Arquimea Group S.A. Système de condensation de la vapeur d'eau atmosphérique

Also Published As

Publication number Publication date
AU7969300A (en) 2001-04-24
NL1013135C2 (nl) 2001-03-30

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