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BRPI0419087A - sistema e método para redução de óxidos de nitrÈgenio a partir de gases de exaustão gerados por um motor de combustão interna de queima empobrecida - Google Patents

sistema e método para redução de óxidos de nitrÈgenio a partir de gases de exaustão gerados por um motor de combustão interna de queima empobrecida

Info

Publication number
BRPI0419087A
BRPI0419087A BRPI0419087-4A BRPI0419087A BRPI0419087A BR PI0419087 A BRPI0419087 A BR PI0419087A BR PI0419087 A BRPI0419087 A BR PI0419087A BR PI0419087 A BRPI0419087 A BR PI0419087A
Authority
BR
Brazil
Prior art keywords
combustion engine
internal combustion
nitrogen oxides
exhaust gases
gases generated
Prior art date
Application number
BRPI0419087-4A
Other languages
English (en)
Inventor
Edward Jobson
Peter Jozsa
Original Assignee
Volvo Lastvagnar Ab
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 Volvo Lastvagnar Ab filed Critical Volvo Lastvagnar Ab
Publication of BRPI0419087A publication Critical patent/BRPI0419087A/pt

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
    • F01N3/36—Arrangements for supply of additional fuel
    • 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
    • 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
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
    • B01F25/31332—Ring, torus, toroidal or coiled configurations
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/063—Surface coverings for exhaust purification, e.g. catalytic reaction zeolites
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

SISTEMA E MéTODO PARA REDUçãO DE óXIDOS DE NITROGêNIO A PARTIR DE GASES DE EXAUSTãO GERADOS POR UM MOTOR DE COMBUSTãO INTERNA DE QUEIMA EMPOBRECIDA. A presente invenção se refere a um sistema e a um método para redução de óxidos de nitrogênio a partir de gases de exaustão gerados por um motor de combustão interna de queima empobrecida (10), compreendendo um catalisador de NOx empobrecido (21) disposto para ser conectado para um conduíte de exaustão (22) do motor de combustão interna de queima empobrecida (10) um injetor (23) disposto para injeção de um agente de redução para ser utilizado pelo catalisador de NOx empobrecido (21) em um processo de redução, e um tanque de combustível (14) contendo o agente de redução, em que referido tanque de combustível (14) é um tanque de pressão adaptado para conter di-metil-éter como um agente de redução e referido injetor (23) está adaptado para injetar di-metil-éter a montante do referido catalisador de NOx empobrecido (21). Em concordância com a presente invenção, os referidos sistema e método estão caracterizados pelo fato de que o injetor (23) inclui um conjunto de canais de injeção (27) em que uma distância (d) , em uma direção radial de uma seção transversal ao longo de um eixo geométrico longitudinal de um conduíte de exaustão (22) em uma posição onde o injetor está posicionado, entre os canais de injeção posicionados o mais distantes um a partir do outro em referido conjunto de canais de injeção (27), e um raio equivalente R do catalisador de Nox empobrecido (21) preenchem a seguinte relação: d/R > 0,5.
BRPI0419087-4A 2004-10-11 2004-11-11 sistema e método para redução de óxidos de nitrÈgenio a partir de gases de exaustão gerados por um motor de combustão interna de queima empobrecida BRPI0419087A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2004/001451 WO2006052168A1 (en) 2004-10-11 2004-10-11 System and method for reduction of nitrogen oxides from exhaust gases generated by a lean-burn internal combustion engine

Publications (1)

Publication Number Publication Date
BRPI0419087A true BRPI0419087A (pt) 2007-12-26

Family

ID=36336772

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0419087-4A BRPI0419087A (pt) 2004-10-11 2004-11-11 sistema e método para redução de óxidos de nitrÈgenio a partir de gases de exaustão gerados por um motor de combustão interna de queima empobrecida

Country Status (8)

Country Link
US (1) US7448207B2 (pt)
EP (1) EP1812696B9 (pt)
JP (1) JP4712045B2 (pt)
CN (1) CN101432506B (pt)
AT (1) ATE406507T1 (pt)
BR (1) BRPI0419087A (pt)
DE (1) DE602004016229D1 (pt)
WO (1) WO2006052168A1 (pt)

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FR2955610B1 (fr) * 2010-01-22 2012-01-13 Peugeot Citroen Automobiles Sa Dispositif d'injection de gaz et ligne d'echappement comprenant un tel dispositif
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DE102011078181A1 (de) * 2011-06-28 2013-01-03 Robert Bosch Gmbh Vorrichtung und Verfahren zum Einbringen eines Reduktionsmittels in einen Abgasstrang
WO2013112170A1 (en) * 2012-01-27 2013-08-01 International Engine Intellectual Property Company, Llc Cross style (4 port) ammonia gas injector
DE112013006561T5 (de) * 2013-01-31 2015-10-22 Tenneco Automotive Operating Co., Inc. Mehrflügeliger Rußbläser
US9482132B2 (en) * 2013-11-07 2016-11-01 Cummins Emission Solutions, Inc. Gaseous reductant delivery devices and systems
US10473013B2 (en) 2014-09-26 2019-11-12 Cummins Emission Solutions, Inc. Integrative reductant system and method using constant volume injection
US10392989B1 (en) 2018-10-19 2019-08-27 Faurecia Emissions Control Technologies, Usa, Llc Automotive exhaust aftertreatment system having an ammonia distributor
US10774718B2 (en) * 2018-10-31 2020-09-15 Caterpillar Inc. Multi-nozzle design to eliminate downstream mixing devices
US10794252B1 (en) 2019-04-18 2020-10-06 Faurecia Emissions Control Technologies, Usa, Llc Direct spray exhaust mixer system
US10883407B1 (en) * 2019-07-26 2021-01-05 Faurecia Emissions Control Technologies, Usa, Llc Automotive aftertreatment system having a tubular injector
US11203966B1 (en) 2020-09-30 2021-12-21 Faurecia Emissions Control Technologies, Usa, Llc Circular sampling device for an exhaust gas sensor

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Also Published As

Publication number Publication date
US20080060352A1 (en) 2008-03-13
WO2006052168A8 (en) 2007-08-16
JP2008519935A (ja) 2008-06-12
EP1812696B1 (en) 2008-08-27
EP1812696A1 (en) 2007-08-01
EP1812696B9 (en) 2008-11-26
JP4712045B2 (ja) 2011-06-29
CN101432506A (zh) 2009-05-13
WO2006052168A1 (en) 2006-05-18
ATE406507T1 (de) 2008-09-15
CN101432506B (zh) 2011-01-12
US7448207B2 (en) 2008-11-11
DE602004016229D1 (de) 2008-10-09

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]