GB2557157B - A urea injection apparatus for exhaust post-treatment of diesel engine - Google Patents

A urea injection apparatus for exhaust post-treatment of diesel engine

Info

Publication number
GB2557157B
GB2557157B GB1805167.2A GB201805167A GB2557157B GB 2557157 B GB2557157 B GB 2557157B GB 201805167 A GB201805167 A GB 201805167A GB 2557157 B GB2557157 B GB 2557157B
Authority
GB
United Kingdom
Prior art keywords
treatment
diesel engine
injection apparatus
urea injection
exhaust post
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 - Fee Related
Application number
GB1805167.2A
Other versions
GB2557157A8 (en
GB201805167D0 (en
GB2557157A (en
Inventor
Tian Wei
Zhang Xun
Pan Suozhu
Qiu Peng
Han Zhiqiang
Han Weiqiang
Wu Xueshun
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.)
Xihua University
Original Assignee
Xihua University
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 Xihua University filed Critical Xihua University
Publication of GB201805167D0 publication Critical patent/GB201805167D0/en
Publication of GB2557157A publication Critical patent/GB2557157A/en
Publication of GB2557157A8 publication Critical patent/GB2557157A8/en
Application granted granted Critical
Publication of GB2557157B publication Critical patent/GB2557157B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01N3/2066—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
    • B01D53/90—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
    • B01D53/9413—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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • 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
    • F01N3/28—Construction of catalytic reactors
    • 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
    • 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
    • F01N2610/12—Adding substances to exhaust gases the substance being in solid form, e.g. pellets or powder
    • 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
    • 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
GB1805167.2A 2015-10-20 2016-10-20 A urea injection apparatus for exhaust post-treatment of diesel engine Expired - Fee Related GB2557157B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510686625.2A CN105201603B (en) 2015-10-20 2015-10-20 A kind of urea injection apparatus for diesel exhaust aftertreatment
PCT/CN2016/102666 WO2017067471A1 (en) 2015-10-20 2016-10-20 Urea injection device used for diesel exhaust after-treatment

Publications (4)

Publication Number Publication Date
GB201805167D0 GB201805167D0 (en) 2018-05-16
GB2557157A GB2557157A (en) 2018-06-13
GB2557157A8 GB2557157A8 (en) 2018-06-27
GB2557157B true GB2557157B (en) 2018-12-26

Family

ID=54949512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1805167.2A Expired - Fee Related GB2557157B (en) 2015-10-20 2016-10-20 A urea injection apparatus for exhaust post-treatment of diesel engine

Country Status (4)

Country Link
CN (1) CN105201603B (en)
CA (1) CA3001076C (en)
GB (1) GB2557157B (en)
WO (1) WO2017067471A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105201603B (en) * 2015-10-20 2017-05-31 西华大学 A kind of urea injection apparatus for diesel exhaust aftertreatment
CN107587926B (en) * 2017-09-21 2023-08-22 东莞职业技术学院 Efficient purification method and purifier for tail gas of diesel vehicle
US20190234283A1 (en) * 2018-01-31 2019-08-01 International Engine Intellectual Property Company, Llc ENGINE OUT NOx REDUCTION USING ENHANCED DEF
CN112840107A (en) * 2018-10-02 2021-05-25 康明斯排放处理公司 System and method for introducing dry chemical reductant into an aftertreatment system
CN112707483A (en) * 2020-11-26 2021-04-27 国网河北省电力有限公司电力科学研究院 Desulfurization waste water treatment spray set of thermal power plant
CN115920629B (en) * 2023-03-15 2023-05-12 烟台盈德精密机械有限公司 Urea injection device for nitrogen oxide conversion

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001007560A (en) * 1999-06-21 2001-01-12 West Electric Co Ltd Waterproof electronics
CN203130208U (en) * 2013-03-26 2013-08-14 无锡市凯龙汽车设备制造有限公司 Diesel engine selective catalyst reduction injection system
CN103437867A (en) * 2013-08-30 2013-12-11 东风商用车有限公司 Aerodynamic ammonia gas preparation and quantitative injection system
CN203403929U (en) * 2013-07-19 2014-01-22 夏莉 Exhaust purification device used on diesel locomotive
CN103741938A (en) * 2014-01-13 2014-04-23 北京科技大学 Rapid wet spraying method for dry powder
CN105201603A (en) * 2015-10-20 2015-12-30 西华大学 Urea spraying device for diesel exhaust aftertreatment
CN205135760U (en) * 2015-10-20 2016-04-06 西华大学 A urea injection apparatus for diesel engine exhaust aftertreatment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010007560A (en) * 2008-06-26 2010-01-14 Denso Corp Exhaust emission control device
CN202611818U (en) * 2012-06-13 2012-12-19 安徽艾可蓝节能环保科技有限公司 Air-assisted selective catalytic reduction (SCR) system
DE102013016235A1 (en) * 2013-10-01 2015-04-02 Deutz Aktiengesellschaft Exhaust system for diesel vehicles
CN203685356U (en) * 2013-10-17 2014-07-02 刘观柏 Ammonium bicarbonate wet-method-ammonia-production and metered-injection system for engine SCR (Selective Catalytic Reduction)
CN204003018U (en) * 2014-07-03 2014-12-10 中国重汽集团济南动力有限公司 A kind of heavy goods vehicles catalytic convention design

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001007560A (en) * 1999-06-21 2001-01-12 West Electric Co Ltd Waterproof electronics
CN203130208U (en) * 2013-03-26 2013-08-14 无锡市凯龙汽车设备制造有限公司 Diesel engine selective catalyst reduction injection system
CN203403929U (en) * 2013-07-19 2014-01-22 夏莉 Exhaust purification device used on diesel locomotive
CN103437867A (en) * 2013-08-30 2013-12-11 东风商用车有限公司 Aerodynamic ammonia gas preparation and quantitative injection system
CN103741938A (en) * 2014-01-13 2014-04-23 北京科技大学 Rapid wet spraying method for dry powder
CN105201603A (en) * 2015-10-20 2015-12-30 西华大学 Urea spraying device for diesel exhaust aftertreatment
CN205135760U (en) * 2015-10-20 2016-04-06 西华大学 A urea injection apparatus for diesel engine exhaust aftertreatment

Also Published As

Publication number Publication date
CA3001076A1 (en) 2017-04-27
GB2557157A8 (en) 2018-06-27
CA3001076C (en) 2018-09-04
CN105201603B (en) 2017-05-31
WO2017067471A1 (en) 2017-04-27
GB201805167D0 (en) 2018-05-16
CN105201603A (en) 2015-12-30
GB2557157A (en) 2018-06-13

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