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ES2172950T3 - Dispositivo para introducir un agente de reduccion liquido en una instalacion de depuracion de gases de escape. - Google Patents

Dispositivo para introducir un agente de reduccion liquido en una instalacion de depuracion de gases de escape.

Info

Publication number
ES2172950T3
ES2172950T3 ES98963351T ES98963351T ES2172950T3 ES 2172950 T3 ES2172950 T3 ES 2172950T3 ES 98963351 T ES98963351 T ES 98963351T ES 98963351 T ES98963351 T ES 98963351T ES 2172950 T3 ES2172950 T3 ES 2172950T3
Authority
ES
Spain
Prior art keywords
reduction agent
introduction
exhaust gas
cleaning system
gas cleaning
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.)
Expired - Lifetime
Application number
ES98963351T
Other languages
English (en)
Inventor
Lothar Hofmann
Wieland Mathes
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Application granted granted Critical
Publication of ES2172950T3 publication Critical patent/ES2172950T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—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
    • 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
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—Processes characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/90—Injecting reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
    • G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components
    • 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
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
    • 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
    • F01N2610/1473—Overflow or return means for the substances, e.g. conduits or valves for the return path
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
  • Chimneys And Flues (AREA)

Abstract

Dispositivo (2) para introducir un agente de reducción líquido (8) en una instalación de depuración de gases de escape, con una cámara de mezcla (4) para mezclar el agente de reducción (8) con un gas (20), en la que desemboca una tubería (6) para el agente de reducción, la cual conduce agente de reducción (8), así como una tubería de gas (24) que conduce gas (20), y con una válvula de dosificación (16) instalada en la tubería (6) para el agente de reducción, caracterizado porque está previsto un dispositivo de mando (44, 56) para el mando de la presión (p1) en la tubería (6) para el agente de reducción en dependencia de la presión del gas (pg) en la tubería de gas (24).
ES98963351T 1997-11-12 1998-11-12 Dispositivo para introducir un agente de reduccion liquido en una instalacion de depuracion de gases de escape. Expired - Lifetime ES2172950T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19750138A DE19750138A1 (de) 1997-11-12 1997-11-12 Einrichtung zum Einbringen eines flüssigen Reduktionsmittels in eine Abgas-Reinigungsanlage

Publications (1)

Publication Number Publication Date
ES2172950T3 true ES2172950T3 (es) 2002-10-01

Family

ID=7848510

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98963351T Expired - Lifetime ES2172950T3 (es) 1997-11-12 1998-11-12 Dispositivo para introducir un agente de reduccion liquido en una instalacion de depuracion de gases de escape.

Country Status (8)

Country Link
EP (1) EP1047488B1 (es)
JP (1) JP3286305B2 (es)
KR (1) KR100374217B1 (es)
AT (1) ATE213430T1 (es)
DE (2) DE19750138A1 (es)
DK (1) DK1047488T3 (es)
ES (1) ES2172950T3 (es)
WO (1) WO1999024150A1 (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19946900A1 (de) * 1999-06-22 2000-12-28 Bosch Gmbh Robert Vorrichtung zur Dosierung eines Reduktionsmittels
DE19946902A1 (de) * 1999-09-30 2001-04-05 Bosch Gmbh Robert Vorrichtung zum Nachbehandeln von Abgasen einer Brennkraftmaschine
DE19947198B4 (de) * 1999-10-01 2008-05-15 Robert Bosch Gmbh Vorrichtung zum Nachbehandeln von Abgasen einer Brennkraftmaschine
US6470673B1 (en) * 2000-02-22 2002-10-29 Ford Global Technologies, Inc. Control of a NOX reductant delivery system
DE10040571A1 (de) * 2000-08-18 2002-02-28 Bosch Gmbh Robert Vorrichtung zur Erzeugung eines Reduktionsmittel-Luft-Gemisches
DE10047519A1 (de) * 2000-09-22 2002-04-18 Bosch Gmbh Robert Verfahren und Vorrichtung zur Dosierung eines Reduktionsmittels zur Entfernung von Stickoxiden aus Abgasen
DE10047516A1 (de) * 2000-09-22 2002-04-18 Bosch Gmbh Robert Verfahren und Vorrichtung zur Dosierung eines Reduktionsmittels zur Entfernung von Stickoxiden aus Abgasen
DE10048246A1 (de) * 2000-09-29 2002-04-11 Bosch Gmbh Robert Vorrichtung zur Erzeugung eines Reduktionsmittel-Luft-Gemisches
DE10052077A1 (de) * 2000-10-19 2002-05-02 Hydraulik Ring Gmbh Einrichtung zur Abgasnachbehandlung von Dieselmotoren
DE10127834A1 (de) * 2001-06-08 2002-12-12 Bosch Gmbh Robert Vorrichtung und Verfahren zur Dosierung eines Reduktionsmittels zur Entfernung von Stickoxiden aus Abgasen
DE10150518C1 (de) * 2001-10-12 2003-05-08 Siemens Ag Verfahren und Vorrichtung zur Abgasnachbehandlung bei einer Brennkraftmaschine
JP4137838B2 (ja) * 2004-04-30 2008-08-20 ボッシュ株式会社 排気ガス後処理装置用液体供給装置
AT500849B8 (de) * 2004-11-15 2007-02-15 Pankl Emission Control Systems Harnstoffdosiervorrichtung
DE502004005576D1 (de) * 2004-12-30 2008-01-03 Grundfos Nonox As Vorrichtung zur Erzeugung eines Reduktionsmittel-Luft-Gemisches
DE102009035940C5 (de) * 2009-08-03 2017-04-20 Cummins Ltd. SCR-Abgasnachbehandlungseinrichtung
DE102010038394A1 (de) * 2010-07-26 2012-01-26 Robert Bosch Gmbh Verfahren zur Dosierung eines Reagenzmittels in einen Abgaskanal und Vorrichtung zur Durchführung des Verfahrens
DE102011078657A1 (de) * 2011-07-05 2013-01-10 Robert Bosch Gmbh Dosiersystem sowie 3/2-Wegeventil für ein Dosiersystem
US8881507B2 (en) * 2011-08-22 2014-11-11 Mi Yan Air driven reductant delivery system
CN105143618B (zh) * 2013-03-15 2018-05-11 康明斯知识产权公司 输送系统的储存器内的空气的再引入
CN105545423B (zh) * 2016-02-05 2018-01-30 东风商用车有限公司 一种无空气辅助雾化尿素喷射系统及其控制方法
KR102447698B1 (ko) * 2016-03-31 2022-09-29 에이치에스디엔진 주식회사 환원제 공급 시스템 및 이의 운용 방법
DE102022004851A1 (de) 2022-12-21 2024-06-27 Albonair Gmbh Reduktionsmitteldosiersystem mit pneumatisch betätigtem Sperrventil

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DE2753601A1 (de) * 1977-12-01 1979-06-07 Bucher Johann Maschf Konstantstromteilerventil
DE3337793A1 (de) * 1983-10-18 1985-05-02 L. & C. Steinmüller GmbH, 5270 Gummersbach Verfahren zur regelung der zugabemenge an reduktionsmittel bei der katalytischen reduktion von in rauchgasen enthaltenem no(pfeil abwaerts)x(pfeil abwaerts)
DE3615705A1 (de) * 1986-05-09 1987-11-12 Bloom Eng Europa Gmbh Rauchgaskanal fuer grosskessel mit einer vorrichtung zum einspeisen von ammoniak in den rauchgasstrom
DE3634449C2 (de) * 1986-10-09 1996-11-14 Ruhrgas Ag Vorrichtung zur Steuerung oder Regelung eines Mengenstromes eines gas- oder dampfförmigen oder flüssigen Mediums
DE3800730A1 (de) * 1987-02-11 1988-08-25 Babcock Anlagen Ag Verfahren zum einmischen von ammoniak in einen rauchgasstrom
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DK0826097T3 (da) * 1995-05-19 1999-07-19 Siemens Ag Forblandingskammer til et udstødsgasrensningsnalæg

Also Published As

Publication number Publication date
WO1999024150A1 (de) 1999-05-20
DK1047488T3 (da) 2002-06-17
EP1047488B1 (de) 2002-02-20
DE19750138A1 (de) 1999-05-27
JP2001522970A (ja) 2001-11-20
KR100374217B1 (ko) 2003-03-03
EP1047488A1 (de) 2000-11-02
ATE213430T1 (de) 2002-03-15
DE59803155D1 (de) 2002-03-28
JP3286305B2 (ja) 2002-05-27
KR20010032029A (ko) 2001-04-16

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