EP2325451A4 - Exhaust gas purifying device for internal combustion engine, and swirl generating device - Google Patents

Exhaust gas purifying device for internal combustion engine, and swirl generating device

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Withdrawn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)
French (fr)
Other versions
EP2325451A1 (en
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/en
Publication of EP2325451A4 publication Critical patent/EP2325451A4/en
Withdrawn legal-status Critical Current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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
EP09814449A 2008-09-19 2009-08-31 Exhaust gas purifying device for internal combustion engine, and swirl generating device Withdrawn EP2325451A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008241382A JP2010071240A (en) 2008-09-19 2008-09-19 Exhaust gas purifying device for internal combustion engine, and swirl flow generating device
PCT/JP2009/065168 WO2010032604A1 (en) 2008-09-19 2009-08-31 Exhaust gas purifying device for internal combustion engine, and swirl generating device

Publications (2)

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

Family

ID=42039438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09814449A Withdrawn EP2325451A4 (en) 2008-09-19 2009-08-31 Exhaust gas purifying device for internal combustion engine, and swirl generating device

Country Status (5)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20110533A1 (en) * 2011-09-16 2013-03-17 Magneti Marelli Spa DISCHARGE SYSTEM OF AN INTERNAL COMBUSTION ENGINE PROVIDED WITH AN ADDITIVE INJECTION DEVICE
CN102927443B (en) * 2012-11-12 2014-03-05 常州大学 Circular cone type spiral flow generator
JP6076841B2 (en) * 2013-06-05 2017-02-08 本田技研工業株式会社 Exhaust gas purification device for internal combustion engine
CN105642145B (en) * 2016-01-06 2018-12-28 广州市八通混合器有限公司 A kind of large size static mixer
JP6846155B2 (en) * 2016-10-12 2021-03-24 東京濾器株式会社 Swirling flow generator
JP7382595B2 (en) 2019-11-12 2023-11-17 日立造船株式会社 Rectifier, hydrolysis equipment, and denitrification equipment
US11624305B2 (en) * 2020-03-02 2023-04-11 Cummins Emission Solutions Inc. Vortex generators and virtual mixers for aftertreatment systems
JP2022102298A (en) * 2020-12-25 2022-07-07 株式会社クボタ Exhaust gas diffusion device
CN112973485B (en) * 2021-03-18 2021-12-07 同济大学 Quick tubular static mixer
WO2023228495A1 (en) * 2022-05-26 2023-11-30 三菱重工業株式会社 Denitration device
CN115217591B (en) * 2022-07-27 2023-07-04 无锡威孚力达催化净化器有限责任公司 Urea mixing device capable of being crushed for multiple times and controllable in rotational flow

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 (en) * 1975-01-29 1976-07-30
JPS54105972U (en) * 1978-01-11 1979-07-26
JPS57204305A (en) * 1981-06-10 1982-12-15 Toshiba Corp Water flow swirling valve
JPS62269733A (en) * 1986-05-15 1987-11-24 Sanko Seisakusho:Kk Mixing element and mixer containing said element
JP2006029233A (en) * 2004-07-16 2006-02-02 Nissan Diesel Motor Co Ltd Exhaust emission control device for engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004267868A (en) * 2003-03-06 2004-09-30 Kosuke Chiba System for dissolving/storing/supplying gas with line atomizer
JP2008144644A (en) * 2006-12-08 2008-06-26 Mitsubishi Fuso Truck & Bus Corp Exhaust emission control device for internal combustion engine
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 (en) * 1975-01-29 1976-07-30
JPS54105972U (en) * 1978-01-11 1979-07-26
JPS57204305A (en) * 1981-06-10 1982-12-15 Toshiba Corp Water flow swirling valve
JPS62269733A (en) * 1986-05-15 1987-11-24 Sanko Seisakusho:Kk Mixing element and mixer containing said element
JP2006029233A (en) * 2004-07-16 2006-02-02 Nissan Diesel Motor Co Ltd Exhaust emission control device for engine

Non-Patent Citations (1)

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

Also Published As

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

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