CN105102781A - 控制催化单元中的氨水平的方法 - Google Patents
控制催化单元中的氨水平的方法 Download PDFInfo
- Publication number
- CN105102781A CN105102781A CN201480018465.8A CN201480018465A CN105102781A CN 105102781 A CN105102781 A CN 105102781A CN 201480018465 A CN201480018465 A CN 201480018465A CN 105102781 A CN105102781 A CN 105102781A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- value
- transfer function
- urea
- unit
- 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.)
- Granted
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 170
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 84
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title claims description 22
- 238000012546 transfer Methods 0.000 claims abstract description 35
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000004202 carbamide Substances 0.000 claims abstract description 28
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims description 31
- 238000006555 catalytic reaction Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 11
- 239000013589 supplement Substances 0.000 claims description 2
- 238000004590 computer program Methods 0.000 claims 1
- 230000001502 supplementing effect Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 26
- 238000010531 catalytic reduction reaction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004176 ammonification Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- B01D53/9495—Controlling the catalytic process
-
- 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
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- 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
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/911—NH3-storage component incorporated in the catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
-
- 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
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
-
- 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
- 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
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1616—NH3-slip from catalyst
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2623—Combustion motor
-
- 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)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (23)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13161246.7 | 2013-03-27 | ||
EP13161246.7A EP2784281A1 (en) | 2013-03-27 | 2013-03-27 | Method of controlling ammonia levels in catalytic units |
PCT/EP2014/055926 WO2014154669A1 (en) | 2013-03-27 | 2014-03-25 | Method of controlling ammonia levels in catalytic units |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105102781A true CN105102781A (zh) | 2015-11-25 |
CN105102781B CN105102781B (zh) | 2017-07-04 |
Family
ID=47997162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480018465.8A Active CN105102781B (zh) | 2013-03-27 | 2014-03-25 | 控制催化单元中的氨水平的方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10940436B2 (zh) |
EP (2) | EP2784281A1 (zh) |
CN (1) | CN105102781B (zh) |
WO (1) | WO2014154669A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106677862A (zh) * | 2016-12-26 | 2017-05-17 | 潍柴动力股份有限公司 | 一种双喷嘴尿素喷射量控制方法及后处理控制系统 |
CN109681298A (zh) * | 2018-11-27 | 2019-04-26 | 江苏大学 | 一种基于NOx传感器对尿素喷射自适应修正的控制系统 |
CN116696527A (zh) * | 2023-08-02 | 2023-09-05 | 潍柴动力股份有限公司 | 一种尾气处理方法、装置和系统 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3066542B1 (fr) * | 2017-05-16 | 2021-04-02 | Renault Sas | Procede de traitement des oxydes d'azote a l'echappement d'un moteur a combustion interne et dispositif associe |
SE542302C2 (en) * | 2018-04-24 | 2020-04-07 | Scania Cv Ab | Method and contol system for control of dosage of a reducing agent |
CN110898667B (zh) * | 2019-12-16 | 2021-09-28 | 湖北思搏盈环保科技股份有限公司 | 基于浸渍型scr脱硝催化剂的烟气处理控制方法及系统 |
CN115095410B (zh) * | 2022-07-14 | 2023-11-17 | 潍柴动力股份有限公司 | 尾气处理的控制方法、其控制装置以及控制系统 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006027357A1 (de) * | 2006-06-13 | 2007-12-20 | Volkswagen Ag | Verfahren zum Betreiben eines SCR-Katalysators sowie Abgasanlage |
US20100107609A1 (en) * | 2008-10-30 | 2010-05-06 | Delphi Technologies, Inc. | Method for controlling a scr catalyst |
EP2354486A1 (en) * | 2010-02-06 | 2011-08-10 | Honda Motor Co., Ltd. | Exhaust gas purifying apparatus for internal combustion engine |
CN102287253A (zh) * | 2010-06-18 | 2011-12-21 | 通用汽车环球科技运作有限责任公司 | 选择性催化还原(scr)催化剂耗尽控制系统和方法 |
CN102400752A (zh) * | 2010-09-09 | 2012-04-04 | 通用汽车环球科技运作有限责任公司 | 用于车辆中选择性还原催化器的基于模型的诊断方法和系统 |
CN102817681A (zh) * | 2012-07-26 | 2012-12-12 | 北京理工大学 | 柴油机固体scr控制系统 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8161730B2 (en) * | 2008-04-30 | 2012-04-24 | Cummins Ip, Inc. | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst |
-
2013
- 2013-03-27 EP EP13161246.7A patent/EP2784281A1/en not_active Withdrawn
-
2014
- 2014-03-25 CN CN201480018465.8A patent/CN105102781B/zh active Active
- 2014-03-25 EP EP14711996.0A patent/EP2978946B1/en active Active
- 2014-03-25 US US14/780,080 patent/US10940436B2/en active Active
- 2014-03-25 WO PCT/EP2014/055926 patent/WO2014154669A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006027357A1 (de) * | 2006-06-13 | 2007-12-20 | Volkswagen Ag | Verfahren zum Betreiben eines SCR-Katalysators sowie Abgasanlage |
US20100107609A1 (en) * | 2008-10-30 | 2010-05-06 | Delphi Technologies, Inc. | Method for controlling a scr catalyst |
EP2354486A1 (en) * | 2010-02-06 | 2011-08-10 | Honda Motor Co., Ltd. | Exhaust gas purifying apparatus for internal combustion engine |
CN102287253A (zh) * | 2010-06-18 | 2011-12-21 | 通用汽车环球科技运作有限责任公司 | 选择性催化还原(scr)催化剂耗尽控制系统和方法 |
CN102400752A (zh) * | 2010-09-09 | 2012-04-04 | 通用汽车环球科技运作有限责任公司 | 用于车辆中选择性还原催化器的基于模型的诊断方法和系统 |
CN102817681A (zh) * | 2012-07-26 | 2012-12-12 | 北京理工大学 | 柴油机固体scr控制系统 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106677862A (zh) * | 2016-12-26 | 2017-05-17 | 潍柴动力股份有限公司 | 一种双喷嘴尿素喷射量控制方法及后处理控制系统 |
CN106677862B (zh) * | 2016-12-26 | 2019-07-30 | 潍柴动力股份有限公司 | 一种双喷嘴尿素喷射量控制方法及后处理控制系统 |
CN109681298A (zh) * | 2018-11-27 | 2019-04-26 | 江苏大学 | 一种基于NOx传感器对尿素喷射自适应修正的控制系统 |
CN116696527A (zh) * | 2023-08-02 | 2023-09-05 | 潍柴动力股份有限公司 | 一种尾气处理方法、装置和系统 |
CN116696527B (zh) * | 2023-08-02 | 2023-11-17 | 潍柴动力股份有限公司 | 一种尾气处理方法、装置和系统 |
Also Published As
Publication number | Publication date |
---|---|
US20160045869A1 (en) | 2016-02-18 |
EP2784281A1 (en) | 2014-10-01 |
EP2978946B1 (en) | 2017-05-10 |
WO2014154669A1 (en) | 2014-10-02 |
EP2978946A1 (en) | 2016-02-03 |
CN105102781B (zh) | 2017-07-04 |
US10940436B2 (en) | 2021-03-09 |
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Effective date of registration: 20200518 Address after: Luxemburg salad day Patentee after: DELPHI AUTOMOTIVE SYSTEMS LUXEMBOURG S.A. Address before: Babado J San Michael Patentee before: DELPHI TECHNOLOGIES IP Ltd. Effective date of registration: 20200518 Address after: Babado J San Michael Patentee after: DELPHI TECHNOLOGIES IP Ltd. Address before: Luxemburg salad day Patentee before: DELPHI INTERNATIONAL OPERATIONS LUXEMBOURG S.A.R.L. |
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