EP2325451A4 - Dispositif d'épuration des gaz d'échappement pour moteur à combustion interne, et dispositif générant un tourbillon - Google Patents

Dispositif d'épuration des gaz d'échappement pour moteur à combustion interne, et dispositif générant un tourbillon

Info

Publication number
EP2325451A4
EP2325451A4 EP09814449A EP09814449A EP2325451A4 EP 2325451 A4 EP2325451 A4 EP 2325451A4 EP 09814449 A EP09814449 A EP 09814449A EP 09814449 A EP09814449 A EP 09814449A EP 2325451 A4 EP2325451 A4 EP 2325451A4
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
combustion engine
internal combustion
gas purifying
swirl generating
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.)
Withdrawn
Application number
EP09814449A
Other languages
German (de)
English (en)
Other versions
EP2325451A1 (fr
Inventor
Masaki Shimizu
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.)
Tokyo Roki Co Ltd
Original Assignee
Tokyo Roki Co Ltd
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 Tokyo Roki Co Ltd filed Critical Tokyo Roki Co Ltd
Publication of EP2325451A1 publication Critical patent/EP2325451A1/fr
Publication of EP2325451A4 publication Critical patent/EP2325451A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
    • B01F23/213—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids
    • B01F23/2132—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids using nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3141—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit with additional mixing means other than injector mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4315—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being deformed flat pieces of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4316—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/43197—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor characterised by the mounting of the baffles or obstructions
    • B01F25/431974—Support members, e.g. tubular collars, with projecting baffles fitted inside the mixing tube or adjacent to the inner wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/086—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling having means to impart whirling motion to the gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4316—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod
    • B01F25/43162—Assembled flat elements
    • 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
    • B04C2003/006—Construction of elements by which the vortex flow is generated or degenerated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
EP09814449A 2008-09-19 2009-08-31 Dispositif d'épuration des gaz d'échappement pour moteur à combustion interne, et dispositif générant un tourbillon Withdrawn EP2325451A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008241382A JP2010071240A (ja) 2008-09-19 2008-09-19 内燃機関用の排ガス浄化装置、及び旋回流発生装置
PCT/JP2009/065168 WO2010032604A1 (fr) 2008-09-19 2009-08-31 Dispositif d’épuration des gaz d’échappement pour moteur à combustion interne, et dispositif générant un tourbillon

Publications (2)

Publication Number Publication Date
EP2325451A1 EP2325451A1 (fr) 2011-05-25
EP2325451A4 true EP2325451A4 (fr) 2013-02-20

Family

ID=42039438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09814449A Withdrawn EP2325451A4 (fr) 2008-09-19 2009-08-31 Dispositif d'épuration des gaz d'échappement pour moteur à combustion interne, et dispositif générant un tourbillon

Country Status (5)

Country Link
US (1) US20110185710A1 (fr)
EP (1) EP2325451A4 (fr)
JP (1) JP2010071240A (fr)
CN (1) CN102137991A (fr)
WO (1) WO2010032604A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20110533A1 (it) * 2011-09-16 2013-03-17 Magneti Marelli Spa Sistema di scarico di un motore a combustione interna provvisto di un dispositivo di iniezione di un additivo
CN102927443B (zh) * 2012-11-12 2014-03-05 常州大学 一种圆锥式螺旋流发生器
JP6076841B2 (ja) * 2013-06-05 2017-02-08 本田技研工業株式会社 内燃機関の排気浄化装置
CN105642145B (zh) * 2016-01-06 2018-12-28 广州市八通混合器有限公司 一种大型静态混合器
JP6846155B2 (ja) * 2016-10-12 2021-03-24 東京濾器株式会社 旋回流発生装置
JP7382595B2 (ja) 2019-11-12 2023-11-17 日立造船株式会社 整流装置、加水分解装置、及び脱硝設備
US11624305B2 (en) * 2020-03-02 2023-04-11 Cummins Emission Solutions Inc. Vortex generators and virtual mixers for aftertreatment systems
JP2022102298A (ja) * 2020-12-25 2022-07-07 株式会社クボタ 排気ガス拡散装置
CN112973485B (zh) * 2021-03-18 2021-12-07 同济大学 一种快速的管式静态混合器
WO2023228495A1 (fr) * 2022-05-26 2023-11-30 三菱重工業株式会社 Dispositif de dénitration
CN115217591B (zh) * 2022-07-27 2023-07-04 无锡威孚力达催化净化器有限责任公司 多次破碎且旋流可控的尿素混合装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643927A (en) * 1970-10-15 1972-02-22 Phillips Petroleum Co Stationary mixture and method for mixing material
US3751009A (en) * 1972-03-02 1973-08-07 Mc Hugh J Motionless mixing device
JPS5195070U (fr) * 1975-01-29 1976-07-30
JPS54105972U (fr) * 1978-01-11 1979-07-26
JPS57204305A (en) * 1981-06-10 1982-12-15 Toshiba Corp Water flow swirling valve
JPS62269733A (ja) * 1986-05-15 1987-11-24 Sanko Seisakusho:Kk 混合素子及び該混合素子を内蔵した混合装置
JP2006029233A (ja) * 2004-07-16 2006-02-02 Nissan Diesel Motor Co Ltd エンジンの排気浄化装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004267868A (ja) * 2003-03-06 2004-09-30 Kosuke Chiba ラインアトマイザーによる気体の溶存化及び貯蔵・供給システム
JP2008144644A (ja) * 2006-12-08 2008-06-26 Mitsubishi Fuso Truck & Bus Corp 内燃機関の排気浄化装置
US8141353B2 (en) * 2008-04-25 2012-03-27 Tenneco Automotive Operating Company Inc. Exhaust gas additive/treatment system and mixer for use therein

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643927A (en) * 1970-10-15 1972-02-22 Phillips Petroleum Co Stationary mixture and method for mixing material
US3751009A (en) * 1972-03-02 1973-08-07 Mc Hugh J Motionless mixing device
JPS5195070U (fr) * 1975-01-29 1976-07-30
JPS54105972U (fr) * 1978-01-11 1979-07-26
JPS57204305A (en) * 1981-06-10 1982-12-15 Toshiba Corp Water flow swirling valve
JPS62269733A (ja) * 1986-05-15 1987-11-24 Sanko Seisakusho:Kk 混合素子及び該混合素子を内蔵した混合装置
JP2006029233A (ja) * 2004-07-16 2006-02-02 Nissan Diesel Motor Co Ltd エンジンの排気浄化装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010032604A1 *

Also Published As

Publication number Publication date
EP2325451A1 (fr) 2011-05-25
WO2010032604A1 (fr) 2010-03-25
JP2010071240A (ja) 2010-04-02
US20110185710A1 (en) 2011-08-04
CN102137991A (zh) 2011-07-27

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