CN110469415A - 氧化催化剂再生方法及氧化催化剂再生控制装置 - Google Patents

氧化催化剂再生方法及氧化催化剂再生控制装置 Download PDF

Info

Publication number
CN110469415A
CN110469415A CN201910379830.2A CN201910379830A CN110469415A CN 110469415 A CN110469415 A CN 110469415A CN 201910379830 A CN201910379830 A CN 201910379830A CN 110469415 A CN110469415 A CN 110469415A
Authority
CN
China
Prior art keywords
oxidation catalyst
hydrocarbon
temperature
aforementioned
accumulation
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.)
Pending
Application number
CN201910379830.2A
Other languages
English (en)
Chinese (zh)
Inventor
有吉学
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN110469415A publication Critical patent/CN110469415A/zh
Pending 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 ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2033—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using a fuel burner or introducing fuel into exhaust duct
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
    • F02D41/0245—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by increasing temperature of the exhaust gas leaving the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • 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
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
    • 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
    • F01N3/103—Oxidation catalysts for HC and CO only
CN201910379830.2A 2018-05-09 2019-05-08 氧化催化剂再生方法及氧化催化剂再生控制装置 Pending CN110469415A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-090805 2018-05-09
JP2018090805A JP2019196735A (ja) 2018-05-09 2018-05-09 酸化触媒再生方法及び酸化触媒再生制御装置

Publications (1)

Publication Number Publication Date
CN110469415A true CN110469415A (zh) 2019-11-19

Family

ID=68506905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910379830.2A Pending CN110469415A (zh) 2018-05-09 2019-05-08 氧化催化剂再生方法及氧化催化剂再生控制装置

Country Status (2)

Country Link
JP (1) JP2019196735A (ja)
CN (1) CN110469415A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112973371A (zh) * 2019-12-16 2021-06-18 株式会社西部技研 有机溶剂浓缩装置及有机溶剂浓缩装置的劣化判定方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113946173B (zh) * 2020-07-15 2022-12-06 中冶长天国际工程有限责任公司 解析塔的温度控制系统、方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040105801A1 (en) * 2002-09-20 2004-06-03 Isuzu Motors, Limited Exhaust gas purifying method and exhaust gas purifying system
JP2010120008A (ja) * 2008-11-21 2010-06-03 Hyundai Motor Co Ltd ディーゼル酸化触媒及びこれを具備した排気装置
CN103703234A (zh) * 2011-07-27 2014-04-02 丰田自动车株式会社 操作柴油机以避免在柴油颗粒过滤器再生期间形成白烟的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4506539B2 (ja) * 2005-04-08 2010-07-21 株式会社デンソー 内燃機関の排気浄化装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040105801A1 (en) * 2002-09-20 2004-06-03 Isuzu Motors, Limited Exhaust gas purifying method and exhaust gas purifying system
JP2010120008A (ja) * 2008-11-21 2010-06-03 Hyundai Motor Co Ltd ディーゼル酸化触媒及びこれを具備した排気装置
CN103703234A (zh) * 2011-07-27 2014-04-02 丰田自动车株式会社 操作柴油机以避免在柴油颗粒过滤器再生期间形成白烟的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112973371A (zh) * 2019-12-16 2021-06-18 株式会社西部技研 有机溶剂浓缩装置及有机溶剂浓缩装置的劣化判定方法

Also Published As

Publication number Publication date
JP2019196735A (ja) 2019-11-14

Similar Documents

Publication Publication Date Title
US9038370B2 (en) Method for operating an exhaust emission control system having a SCR-catalyst and an upstream oxidation catalyst exhaust emission control component
JP4709220B2 (ja) パティキュレートフィルタの再生方法
EP1778954B1 (en) Exhaust purifying apparatus and exhaust purifying method for internal combustion engine
US8820051B2 (en) Vehicle oxidation catalyst efficiency model for adaptive control and diagnostics
EP1555401B1 (en) Exhaust purifying apparatus for internal combustion engine
CN103883380B (zh) 发动机排气温度的控制方法和系统
CN107109989B (zh) 排气净化系统和NOx净化能力恢复方法
JP4665633B2 (ja) 内燃機関の排気浄化装置
JP2010150936A (ja) 排気浄化装置の再生不良診断方法
JP4438708B2 (ja) エンジンの燃料噴射制御装置
CN110469415A (zh) 氧化催化剂再生方法及氧化催化剂再生控制装置
CN203925695U (zh) 发动机排气温度的控制系统
US7784275B2 (en) Optimization of hydrocarbon injection during diesel particulate filter (DPF) regeneration
CN1930380B (zh) 用于内燃机的排气净化装置
CN107407177B (zh) 内燃机的控制装置
CN104487667B (zh) 控制排放流体处理装置的操作的方法
JP2005090256A (ja) 内燃機関の排気浄化装置における圧力検出機構
JP4012037B2 (ja) 排気浄化装置
JP2005146904A (ja) 排気浄化装置
JP6265193B2 (ja) エンジンの排気浄化装置
JP4032774B2 (ja) 内燃機関の排気浄化装置
JP2004176636A (ja) 内燃機関の排気浄化装置
JP2017141713A (ja) 排気浄化機構の異常診断装置
CN107429588B (zh) 内燃机的排气气体净化系统、内燃机和内燃机的排气气体净化方法
JP6658210B2 (ja) 排気浄化装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20191119