GB2491777A - Ring reductant mixer - Google Patents

Ring reductant mixer Download PDF

Info

Publication number
GB2491777A
GB2491777A GB1217708.5A GB201217708A GB2491777A GB 2491777 A GB2491777 A GB 2491777A GB 201217708 A GB201217708 A GB 201217708A GB 2491777 A GB2491777 A GB 2491777A
Authority
GB
United Kingdom
Prior art keywords
ring
reductant mixer
reductant
mixer
injector
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Withdrawn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
GB1217708.5A
Other versions
GB201217708D0 (en
Inventor
Yung T Bui
Yuxiang Gu
Jinhui Sun
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of GB201217708D0 publication Critical patent/GB201217708D0/en
Publication of GB2491777A publication Critical patent/GB2491777A/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Withdrawn legal-status Critical Current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
    • F01N3/18—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 methods of operation; Control
    • F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • B01F25/4318—Ring-shaped blades or strips
    • 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
    • B01F25/431971—Mounted on the 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Abstract

An engine exhaust aftertreatment system including a ring disposed in an exhaust conduit. The ring assists in the introduction and conversion of a reductant introduced by an injector.
GB1217708.5A 2010-04-05 2011-04-01 Ring reductant mixer Withdrawn GB2491777A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/754,144 US20110239631A1 (en) 2010-04-05 2010-04-05 Ring Reductant Mixer
PCT/US2011/030865 WO2011126930A2 (en) 2010-04-05 2011-04-01 Ring reductant mixer

Publications (2)

Publication Number Publication Date
GB201217708D0 GB201217708D0 (en) 2012-11-14
GB2491777A true GB2491777A (en) 2012-12-12

Family

ID=44708017

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1217708.5A Withdrawn GB2491777A (en) 2010-04-05 2011-04-01 Ring reductant mixer

Country Status (5)

Country Link
US (1) US20110239631A1 (en)
CN (1) CN102933810B (en)
DE (1) DE112011101199T5 (en)
GB (1) GB2491777A (en)
WO (1) WO2011126930A2 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2373607T5 (en) * 2007-12-05 2016-02-16 Emitec Denmark A/S A nozzle arrangement
DE102010038143A1 (en) * 2010-10-13 2012-04-19 Hjs Emission Technology Gmbh & Co. Kg A method of lowering the soot ignition temperature of soot accumulated on a particulate filter
WO2013027295A1 (en) * 2011-08-25 2013-02-28 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
US9726063B2 (en) * 2011-09-08 2017-08-08 Tenneco Automotive Operating Company Inc. In-line flow diverter
US9347355B2 (en) 2011-09-08 2016-05-24 Tenneco Automotive Operating Company Inc. In-line flow diverter
US20130152555A1 (en) * 2011-12-15 2013-06-20 Caterpillar Inc. Fluid injection lance with balanced flow distribution
FR2986559A1 (en) * 2012-02-03 2013-08-09 Peugeot Citroen Automobiles Sa Acoustic element for use with vibration decoupling device of exhaust line of car, has circular ring provided with strip, and crenel interposed between circular ring and strip, where crenel comprises connection base with axial edge
US8938954B2 (en) 2012-04-19 2015-01-27 Donaldson Company, Inc. Integrated exhaust treatment device having compact configuration
DE112012006960B4 (en) * 2012-09-28 2023-05-04 Faurecia Emissions Control Technologies, Usa, Llc Exhaust system mixing device with impactor
US9258949B2 (en) * 2013-06-19 2016-02-16 National Diversified Sales, Inc. Adjustable drip emitter
WO2015012829A1 (en) * 2013-07-25 2015-01-29 Faurecia Emissions Control Technologies, Usa, Llc Mixer with swirl box for a vehicle exhaust system
DE112014003842B4 (en) 2013-08-22 2023-07-27 Ford Otomotiv Sanayi Anonim Sirketi Device for reducing exhaust gases
US8999276B1 (en) 2013-09-19 2015-04-07 Caterpillar Inc. System and method for mixing of fluids
US9267417B2 (en) * 2013-10-31 2016-02-23 Faurecia Emissions Control Technologies Usa, Llc Diffuser plate
WO2015116979A2 (en) 2014-01-31 2015-08-06 Donaldson Company, Inc. Dosing and mixing arrangement for use in exhaust aftertreatment
DE102014213746A1 (en) * 2014-07-15 2016-01-21 Eberspächer Exhaust Technology GmbH & Co. KG Static mixer
JP6224569B2 (en) * 2014-10-22 2017-11-01 トヨタ自動車株式会社 Dispersion plate
US10493410B2 (en) 2015-01-09 2019-12-03 Cummins Emission Solutions Inc. Selective catalytic reduction with integrated decomposition chamber with exhaust flow swirl generating design
US10035102B2 (en) 2015-11-18 2018-07-31 Ford Global Technologies, Llc System for a urea mixer
US10100706B2 (en) 2016-02-12 2018-10-16 Ford Global Technologies, Llc Urea mixer
US20170362987A1 (en) * 2016-06-20 2017-12-21 Electro-Motive Diesel Engine system having mixing mechanism for exhaust and injected fluid and engine exhaust treatment strategy
WO2018005704A1 (en) 2016-06-29 2018-01-04 Great Lakes Pollution Control, Inc. Using electromagnetic waves and/or injection to facilitate operation of catalytic converters
DE102016217750A1 (en) 2016-09-16 2018-03-22 Continental Automotive Gmbh exhaust gas treatment unit
WO2018222180A1 (en) 2017-05-31 2018-12-06 Faurecia Emissions Control Technologies, Usa, Llc Mixer for a vehicle exhaust system
CN108150250A (en) * 2018-01-04 2018-06-12 中国第汽车股份有限公司 A kind of integrated form equipment for after-treatment
GB2586752B (en) 2018-04-02 2022-07-27 Cummins Emission Solutions Inc Aftertreatment system including noise reducing components
US10287948B1 (en) 2018-04-23 2019-05-14 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
US10316721B1 (en) 2018-04-23 2019-06-11 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
WO2020009694A1 (en) 2018-07-03 2020-01-09 Cummins Emission Solutions Inc. Body mixing decomposition reactor
US10787946B2 (en) 2018-09-19 2020-09-29 Faurecia Emissions Control Technologies, Usa, Llc Heated dosing mixer
US11156141B2 (en) * 2019-06-24 2021-10-26 Delavan Inc. Fluid injectors for hot flow
US11549422B1 (en) 2021-12-06 2023-01-10 Tenneco Automotive Operating Company Inc. Exhaust system for a combustion engine including a flow distributor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070101703A1 (en) * 2004-07-16 2007-05-10 Nissan Diesel Motor Co., Ltd. Exhaust emission purifying apparatus for engine
US20080250776A1 (en) * 2007-04-16 2008-10-16 Gm Global Technology Operations, Inc. Mixing Apparatus for an Exhaust After-Treatment System
EP2098697A1 (en) * 2008-02-12 2009-09-09 Magneti Marelli S.p.A. Exhaust system of an internal combustion engine
WO2009131666A1 (en) * 2008-04-25 2009-10-29 Tenneco Automotive Operating Company, Inc. Exhaust gas additive/treatment system and mixer for use therein

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065918A (en) * 1973-02-12 1978-01-03 Ethyl Corporation Exhaust systems
US4492212A (en) * 1982-08-09 1985-01-08 Dooley Richard L Internal combustion engine of improved efficiency
CA1298957C (en) * 1987-01-27 1992-04-21 Motonobu Kobayashi Method for removal of nitrogen oxides from exhaust gas of diesel engine
KR950012137B1 (en) * 1989-02-02 1995-10-14 닛뽄 쇼크바이 카가꾸 고오교오 가부시기가이샤 Method of removing nitrogen oxides in exhaust gases from a diesel engine
JPH04178470A (en) * 1990-11-13 1992-06-25 Tokai Carbon Co Ltd Apparatus for producing carbon black and production process
FI921889A (en) * 1991-05-02 1992-11-03 Scambia Ind Dev Ag KATALYSATOR FOER KATALYTISK BEHANDLING AV AVGASER
US5185998A (en) * 1992-04-10 1993-02-16 Kenneth Brew Catalytic converter accessory apparatus
US5881555A (en) * 1997-05-21 1999-03-16 Brunswick Corporation Exhaust pressure pulsation control apparatus for marine propulsion system
GB2381218B (en) * 2001-10-25 2004-12-15 Eminox Ltd Gas treatment apparatus
JP4224984B2 (en) * 2002-05-17 2009-02-18 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
US6745562B2 (en) * 2002-09-16 2004-06-08 Kleenair Systems, Inc. Diverter for catalytic converter
US7131514B2 (en) * 2003-08-25 2006-11-07 Ford Global Technologies, Llc Noise attenuation device for a vehicle exhaust system
DE102004004738A1 (en) * 2004-01-30 2005-08-18 Robert Bosch Gmbh Method and device for the after-treatment of an exhaust gas of an internal combustion engine
US7581387B2 (en) 2005-02-28 2009-09-01 Caterpillar Inc. Exhaust gas mixing system
ITMI20050651A1 (en) * 2005-04-15 2006-10-16 Iveco Spa MODULE AND METHOD OF INTRUSION OF A UREA SOLUTION IN THE UNLOADING GAS OF AN ENGINE
US20070144158A1 (en) * 2005-12-22 2007-06-28 Girard James W Exhaust dispersion device
US7328572B2 (en) * 2006-02-23 2008-02-12 Fleetguard, Inc. Exhaust aftertreatment device with star-plugged turbulator
DE102006043225A1 (en) * 2006-09-11 2008-03-27 J. Eberspächer GmbH & Co. KG Exhaust system for an internal combustion engine
JP2008128093A (en) * 2006-11-21 2008-06-05 Mitsubishi Fuso Truck & Bus Corp Exhaust emission control device for internal combustion engine
DE102006058402A1 (en) * 2006-12-12 2008-06-19 Bayerische Motoren Werke Ag Device for admixing a reducing agent in an exhaust gas stream of an internal combustion engine
US8371114B2 (en) * 2007-03-12 2013-02-12 Bosch Corporation Exhaust gas purification apparatus for internal combustion engine
US20090056319A1 (en) * 2007-09-04 2009-03-05 Warner Jay V Exhaust Aftertreatment System with Pre-Catalysis
JP4787817B2 (en) * 2007-12-27 2011-10-05 三菱ふそうトラック・バス株式会社 Engine exhaust purification system
US8141538B2 (en) * 2008-12-12 2012-03-27 Chung-Yu Yang Intake ducting device for a car engine
US8499548B2 (en) * 2008-12-17 2013-08-06 Donaldson Company, Inc. Flow device for an exhaust system
EP2524123B1 (en) * 2010-01-12 2016-11-23 Donaldson Company, Inc. Flow device for exhaust treatment system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070101703A1 (en) * 2004-07-16 2007-05-10 Nissan Diesel Motor Co., Ltd. Exhaust emission purifying apparatus for engine
US20080250776A1 (en) * 2007-04-16 2008-10-16 Gm Global Technology Operations, Inc. Mixing Apparatus for an Exhaust After-Treatment System
EP2098697A1 (en) * 2008-02-12 2009-09-09 Magneti Marelli S.p.A. Exhaust system of an internal combustion engine
WO2009131666A1 (en) * 2008-04-25 2009-10-29 Tenneco Automotive Operating Company, Inc. Exhaust gas additive/treatment system and mixer for use therein

Also Published As

Publication number Publication date
WO2011126930A2 (en) 2011-10-13
US20110239631A1 (en) 2011-10-06
CN102933810B (en) 2016-09-28
WO2011126930A3 (en) 2012-04-05
CN102933810A (en) 2013-02-13
DE112011101199T5 (en) 2013-01-24
GB201217708D0 (en) 2012-11-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)