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WO2011126930A3 - Agitateur de réducteur à segment - Google Patents

Agitateur de réducteur à segment Download PDF

Info

Publication number
WO2011126930A3
WO2011126930A3 PCT/US2011/030865 US2011030865W WO2011126930A3 WO 2011126930 A3 WO2011126930 A3 WO 2011126930A3 US 2011030865 W US2011030865 W US 2011030865W WO 2011126930 A3 WO2011126930 A3 WO 2011126930A3
Authority
WO
WIPO (PCT)
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.)
Ceased
Application number
PCT/US2011/030865
Other languages
English (en)
Other versions
WO2011126930A2 (fr
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
Priority to DE112011101199T priority Critical patent/DE112011101199T5/de
Priority to CN201180027335.7A priority patent/CN102933810B/zh
Priority to GB1217708.5A priority patent/GB2491777A/en
Publication of WO2011126930A2 publication Critical patent/WO2011126930A2/fr
Publication of WO2011126930A3 publication Critical patent/WO2011126930A3/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'invention concerne un système de post-traitement d'échappement de moteur comprenant un segment disposé dans un tuyau d'échappement. Le segment aide à l'introduction et à la conversion d'un réducteur introduit par un injecteur.
PCT/US2011/030865 2010-04-05 2011-04-01 Agitateur de réducteur à segment Ceased WO2011126930A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112011101199T DE112011101199T5 (de) 2010-04-05 2011-04-01 Ringförmiger Reduktionsmittelmischer
CN201180027335.7A CN102933810B (zh) 2010-04-05 2011-04-01 环式还原剂混合器
GB1217708.5A GB2491777A (en) 2010-04-05 2011-04-01 Ring reductant mixer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/754,144 2010-04-05
US12/754,144 US20110239631A1 (en) 2010-04-05 2010-04-05 Ring Reductant Mixer

Publications (2)

Publication Number Publication Date
WO2011126930A2 WO2011126930A2 (fr) 2011-10-13
WO2011126930A3 true WO2011126930A3 (fr) 2012-04-05

Family

ID=44708017

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/030865 Ceased WO2011126930A2 (fr) 2010-04-05 2011-04-01 Agitateur de réducteur à segment

Country Status (5)

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

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CN101981285B (zh) * 2007-12-05 2013-07-03 格兰富Nonox公司 一种喷嘴装置
DE102010038143A1 (de) * 2010-10-13 2012-04-19 Hjs Emission Technology Gmbh & Co. Kg Verfahren zum Absenken der Rußzündtemperatur von auf einem Partikelfilter akkumuliertem Ruß
WO2013027295A1 (fr) * 2011-08-25 2013-02-28 トヨタ自動車株式会社 Dispositif de purification de gaz d'échappement pour moteur à combustion interne
US9347355B2 (en) 2011-09-08 2016-05-24 Tenneco Automotive Operating Company Inc. In-line flow diverter
US9726063B2 (en) * 2011-09-08 2017-08-08 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 (fr) * 2012-02-03 2013-08-09 Peugeot Citroen Automobiles Sa Organe acoustique destine a equiper un dispositif de decouplage vibratoire d'une ligne d'echappement
US8938954B2 (en) 2012-04-19 2015-01-27 Donaldson Company, Inc. Integrated exhaust treatment device having compact configuration
CN104685176B (zh) * 2012-09-28 2017-06-06 佛吉亚排放控制技术美国有限公司 带冲击器的排气系统混合器
US9258949B2 (en) * 2013-06-19 2016-02-16 National Diversified Sales, Inc. Adjustable drip emitter
US9995193B2 (en) 2013-07-25 2018-06-12 Faurecia Emissions Control Technologies Usa, Llc Mixer with swirl box for a vehicle exhaust system
WO2015026305A2 (fr) * 2013-08-22 2015-02-26 Ford Otomotiv Sanayi Anonim Sirketi Réducteur de gaz d'échappement
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
EP3498995B1 (fr) 2014-01-31 2020-09-09 Donaldson Company, Inc. Agencement de dosage et de mélange pour utilisation dans un post-traitement d'échappement
DE102014213746A1 (de) * 2014-07-15 2016-01-21 Eberspächer Exhaust Technology GmbH & Co. KG Statischer Mischer
JP6224569B2 (ja) * 2014-10-22 2017-11-01 トヨタ自動車株式会社 分散板
GB2548528B (en) 2015-01-09 2021-02-10 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 (fr) 2016-06-29 2018-01-04 Great Lakes Pollution Control, Inc. Utilisation d'ondes électromagnétiques et/ou d'injection servant à faciliter le fonctionnement de convertisseurs catalytiques
DE102016217750A1 (de) 2016-09-16 2018-03-22 Continental Automotive Gmbh Abgasnachbehandlungseinheit
WO2018222180A1 (fr) 2017-05-31 2018-12-06 Faurecia Emissions Control Technologies, Usa, Llc Mélangeur pour un système d'échappement de véhicule
CN108150250A (zh) * 2018-01-04 2018-06-12 中国第汽车股份有限公司 一种集成式后处理设备
US11181027B2 (en) 2018-04-02 2021-11-23 Cummins Emission Solutions Inc. Aftertreatment system including noise reducing components
US10316721B1 (en) 2018-04-23 2019-06-11 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
US10287948B1 (en) 2018-04-23 2019-05-14 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
DE112018007799T5 (de) 2018-07-03 2021-03-25 Cummins Emission Solutions Inc. Zersetzungsreaktor mit körpermischung
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

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Also Published As

Publication number Publication date
US20110239631A1 (en) 2011-10-06
GB2491777A (en) 2012-12-12
CN102933810A (zh) 2013-02-13
DE112011101199T5 (de) 2013-01-24
GB201217708D0 (en) 2012-11-14
WO2011126930A2 (fr) 2011-10-13
CN102933810B (zh) 2016-09-28

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