CN101988409B - Scr废气处理装置 - Google Patents
Scr废气处理装置 Download PDFInfo
- Publication number
- CN101988409B CN101988409B CN201010247932.8A CN201010247932A CN101988409B CN 101988409 B CN101988409 B CN 101988409B CN 201010247932 A CN201010247932 A CN 201010247932A CN 101988409 B CN101988409 B CN 101988409B
- Authority
- CN
- China
- Prior art keywords
- hwl
- pressure
- control equipment
- batching unit
- exhaust gas
- 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.)
- Active
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
- B01D53/92—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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
-
- 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]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
- F01N2610/146—Control thereof, e.g. control of injectors or injection valves
-
- 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
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0408—Methods of control or diagnosing using a feed-back loop
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
- F01N2900/1806—Properties of reducing agent or dosing system
- F01N2900/1808—Pressure
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009035940.0A DE102009035940C5 (de) | 2009-08-03 | 2009-08-03 | SCR-Abgasnachbehandlungseinrichtung |
DE102009035940.0 | 2009-08-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101988409A CN101988409A (zh) | 2011-03-23 |
CN101988409B true CN101988409B (zh) | 2015-01-14 |
Family
ID=43448128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010247932.8A Active CN101988409B (zh) | 2009-08-03 | 2010-08-03 | Scr废气处理装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8938949B2 (zh) |
CN (1) | CN101988409B (zh) |
DE (1) | DE102009035940C5 (zh) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102007004687B4 (de) | 2007-01-25 | 2012-03-01 | Hydraulik-Ring Gmbh | Volumensmengenabgabeeinheit und Verfahren zur Kalibrierung der Druckausgangssignal-Volumensmenge-Charakteristik |
DE102008012780B4 (de) | 2008-03-05 | 2012-10-04 | Hydraulik-Ring Gmbh | Abgasnachbehandlungseinrichtung |
FR2967723B1 (fr) * | 2010-11-24 | 2015-11-13 | Inergy Automotive Systems Res | Reservoir de stockage pour additif de gaz d'echappement d'un moteur |
DE102010061222B4 (de) | 2010-12-14 | 2015-05-07 | Cummins Ltd. | SCR-Abgasnachbehandlungseinrichtung |
DE102011103272B4 (de) * | 2011-05-26 | 2014-05-22 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Betreiben eines SCR-Systems |
JP6129192B2 (ja) * | 2011-10-21 | 2017-05-17 | エミテック ゲゼルシヤフト フユア エミツシオンステクノロギー ミツト ベシユレンクテル ハフツング | 脈動様式で作動する供給ポンプの作動方法 |
US9297286B2 (en) | 2011-11-01 | 2016-03-29 | Cummins Emission Solutions Inc. | Aftertreatment system for an engine |
SE536241C2 (sv) * | 2011-12-14 | 2013-07-16 | Scania Cv Ab | Förfarande för reduktionsmedelsdosering vid ett SCR-system med tryckreglering på basis av en temperatur vid avgasrör |
DE102012018139B4 (de) * | 2012-09-14 | 2016-10-20 | Mtu Friedrichshafen Gmbh | Reduktionsmittelschnittstelle |
CN102900880B (zh) * | 2012-10-17 | 2013-11-27 | 北京机械设备研究所 | 一种多通道比例阀控制器 |
US9222388B2 (en) | 2013-02-28 | 2015-12-29 | Tenneco Automotive Operating Company Inc. | Urea common rail |
CN103291423B (zh) * | 2013-06-13 | 2015-05-20 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | 一种还原剂供给装置 |
CN103511041A (zh) * | 2013-10-17 | 2014-01-15 | 刘观柏 | 一种用于发动机scr的碳酸氢铵湿法制氨及计量喷射系统 |
DE102014201816A1 (de) * | 2014-01-31 | 2015-06-18 | Mtu Friedrichshafen Gmbh | System zur Eindosierung von Reduktionsmittel in eine Abgaseinrichtung einer Brennkraftmaschine und Brennkraftmaschine |
US9303388B2 (en) * | 2014-02-26 | 2016-04-05 | Komatsu Ltd. | Work vehicle |
WO2015188329A1 (en) | 2014-06-11 | 2015-12-17 | Tenneco Automotive Operating Company Inc. | Fluid delivery system with line pressure control valve |
EP2995816B1 (de) | 2014-09-10 | 2020-04-22 | maxon international ag | Verfahren zur überwachung und regelung eines elektromotors zum antrieb einer pumpe |
US10202883B2 (en) | 2014-11-21 | 2019-02-12 | Tenneco (Suzhou) Emission System Co., Ltd. | Common rail assembly, urea injection system and application thereof |
CN105673154B (zh) | 2014-11-21 | 2019-11-08 | 天纳克(苏州)排放系统有限公司 | 共轨、该共轨的应用、尿素喷射系统及其控制方法 |
US9512763B2 (en) | 2014-12-05 | 2016-12-06 | Caterpillar Inc. | Diesel exhaust fluid dosing system for diesel engine aftertreatment module |
DE102014019021B4 (de) | 2014-12-18 | 2023-02-02 | Woodward L'orange Gmbh | Reduktionsmittel-Dosiereinheit |
CN104548928B (zh) * | 2014-12-19 | 2017-04-19 | 北京建筑材料科学研究总院有限公司 | 一种选择性催化还原脱硝方法及其系统 |
US10301996B2 (en) * | 2015-10-08 | 2019-05-28 | Cummins Emission Solutions Inc. | System and method for varying reductant delivery pressure to aftertreatment systems |
US9903247B2 (en) * | 2015-12-31 | 2018-02-27 | Cummins Emission Solutions Inc. | Reductant apportionment for multi-dosing architectures |
JP6897152B2 (ja) * | 2017-02-27 | 2021-06-30 | セイコーエプソン株式会社 | 液体噴射装置 |
WO2019160552A1 (en) * | 2018-02-15 | 2019-08-22 | Cummins Emission Solutions Inc. | Filtration assembly for use in aftertreatment systems for internal combustion engines |
CN110479514B (zh) * | 2019-09-09 | 2024-08-06 | 合肥中科力一科技有限公司 | 一种用于雾化仪的导杆式二流体喷头装置 |
FR3124826A1 (fr) * | 2021-06-30 | 2023-01-06 | Faurecia Systemes D'echappement | Injecteur de fluide, ensemble et ligne d’échappement comprenant un tel injecteur |
Citations (3)
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EP1656986A1 (de) * | 2004-11-15 | 2006-05-17 | Pankl Emission Control Systems GmbH | Harnstoffdosiervorrichtung |
CN101091040A (zh) * | 2004-12-30 | 2007-12-19 | 格伦德福斯管理联合股份公司 | 计量泵装置 |
CN101103185A (zh) * | 2005-01-17 | 2008-01-09 | 罗伯特·博世有限公司 | 排气后处理方法及其装置 |
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