JP6809391B2 - 噴射装置 - Google Patents
噴射装置 Download PDFInfo
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- JP6809391B2 JP6809391B2 JP2017118601A JP2017118601A JP6809391B2 JP 6809391 B2 JP6809391 B2 JP 6809391B2 JP 2017118601 A JP2017118601 A JP 2017118601A JP 2017118601 A JP2017118601 A JP 2017118601A JP 6809391 B2 JP6809391 B2 JP 6809391B2
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- Prior art keywords
- injection
- aqueous solution
- exhaust gas
- urea
- white product
- 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.)
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-
- 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
- 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
-
- 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
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
-
- 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
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20723—Vanadium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
-
- 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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/26—Exhaust treating devices having provisions not otherwise provided for for preventing enter of dirt into the device
-
- 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
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- 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
-
- 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
- F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
-
- 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
- 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
- F01N2900/1602—Temperature of exhaust gas 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
内燃機関の排気通路を構成する排気管内に設けられた選択還元型触媒装置の上流側に設けられ、尿素水溶液またはジエチルアミン水溶液を噴射する噴射部と、
前記噴射部により噴射された前記尿素水溶液に由来する白色生成物が前記排気管内に堆積したか否かについて判定する判定部と、
前記判定部により前記白色生成物が堆積したと判定された場合、前記ジエチルアミン水溶液を噴射するように前記噴射部を制御する噴射制御部と、
を備える。
10 内燃機関
11 燃焼室
13 燃料噴射インジェクタ
15 吸気バルブ
17 排気バルブ
19 ピストン
20 排気系
21 排気管
22 燃料供給部
23A DOC
23B DPF
23C SCR
23D ASC
24 インジェクタ
25 ミキサー
26 温度センサ
27 濃度センサ
28 ポンプ
29 バルブ
30 尿素水溶液タンク
31 ジエチルアミン水溶液タンク
40 制御部
41 温度取得部
42 濃度取得部
43 判定部
44 噴射制御部
50 吸気用配管
Claims (3)
- 内燃機関の排気通路を構成する排気管内に設けられた選択還元型触媒装置の上流側に設けられ、尿素水溶液またはジエチルアミン水溶液を噴射する噴射部と、
前記噴射部により噴射された前記尿素水溶液に由来する白色生成物が前記排気管内に堆積したか否かについて判定する判定部と、
前記判定部により前記白色生成物が堆積したと判定された場合、前記ジエチルアミン水溶液を噴射するように前記噴射部を制御する噴射制御部と、
を備える噴射装置。 - 前記判定部は、前記排気管内における前記選択還元型触媒装置の下流側を通過する排気ガスのNOx濃度が所定濃度以上である場合、前記白色生成物が堆積したと判定する、
請求項1に記載の噴射装置。 - 前記噴射制御部は、前記判定部により前記白色生成物が堆積していないと判定された場合、前記排気ガスの温度が所定温度以上であるとき、前記尿素水溶液を噴射するように前記噴射部を制御する、
請求項2に記載の噴射装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017118601A JP6809391B2 (ja) | 2017-06-16 | 2017-06-16 | 噴射装置 |
DE112018003064.4T DE112018003064T5 (de) | 2017-06-16 | 2018-06-12 | Einspritzvorrichtung |
PCT/JP2018/022291 WO2018230520A1 (ja) | 2017-06-16 | 2018-06-12 | 噴射装置 |
US16/622,950 US11002170B2 (en) | 2017-06-16 | 2018-06-12 | Injection device |
CN201880036880.4A CN110709589B (zh) | 2017-06-16 | 2018-06-12 | 喷射装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017118601A JP6809391B2 (ja) | 2017-06-16 | 2017-06-16 | 噴射装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019002362A JP2019002362A (ja) | 2019-01-10 |
JP6809391B2 true JP6809391B2 (ja) | 2021-01-06 |
Family
ID=64659590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017118601A Active JP6809391B2 (ja) | 2017-06-16 | 2017-06-16 | 噴射装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11002170B2 (ja) |
JP (1) | JP6809391B2 (ja) |
CN (1) | CN110709589B (ja) |
DE (1) | DE112018003064T5 (ja) |
WO (1) | WO2018230520A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6809391B2 (ja) | 2017-06-16 | 2021-01-06 | いすゞ自動車株式会社 | 噴射装置 |
CN113565604A (zh) * | 2021-09-01 | 2021-10-29 | 无锡威孚力达催化净化器有限责任公司 | 一种尿素溶液双喷嘴后处理装置及其控制方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04118133A (ja) | 1990-09-07 | 1992-04-20 | Daido Steel Co Ltd | 熱間塑性加工用潤滑剤 |
JPH0728908Y2 (ja) * | 1991-03-28 | 1995-07-05 | 株式会社新潟鉄工所 | 排ガス還元剤の噴霧装置 |
JP4201910B2 (ja) | 1999-03-09 | 2008-12-24 | ダイセル化学工業株式会社 | 酸化チタン複合化バイオマス炭化物、その製造方法、及びそれによる化学物質の分解方法 |
JP2000303826A (ja) | 1999-04-16 | 2000-10-31 | Isuzu Motors Ltd | ディーゼルエンジンの排ガス浄化装置 |
JP4433694B2 (ja) * | 2003-06-12 | 2010-03-17 | 日本化成株式会社 | 尿素水およびこれを用いる脱硝方法 |
FR2912932B1 (fr) * | 2007-02-23 | 2011-06-10 | Total France | Solution aqueuse pour traitement des gaz d'echappement des moteurs diesel |
CN102278177B (zh) | 2011-04-27 | 2014-05-07 | 汪家琳 | 内燃机尾气高效利用装置与方法 |
CN102513149B (zh) | 2011-11-04 | 2014-03-26 | 太原理工大学 | 一种HF改性Cu-SAPO-34/堇青石整体式催化剂及其制备方法和应用 |
BR112014026908A2 (pt) | 2012-04-27 | 2017-06-27 | Haldor Topsoe As | síntese direta de cu-sapo-34 com base na combinação de um complexo de cobre-poliamina e uma molécula orgânica adicional, e suas implicações catalíticas |
JP2015086792A (ja) * | 2013-10-31 | 2015-05-07 | 三菱自動車工業株式会社 | 車両の排気浄化装置 |
JP6408920B2 (ja) * | 2015-01-21 | 2018-10-17 | 本田技研工業株式会社 | 内燃機関の排気浄化システム |
JP6551002B2 (ja) | 2015-07-23 | 2019-07-31 | いすゞ自動車株式会社 | 内燃機関の排気ガス浄化システム、内燃機関、及び内燃機関の排気ガス浄化方法 |
US9926823B2 (en) * | 2016-08-10 | 2018-03-27 | GM Global Technology Operations LLC | System and method for controlling detecting and cleaning diesel-exhaust-fluid injector deposits |
JP6809391B2 (ja) | 2017-06-16 | 2021-01-06 | いすゞ自動車株式会社 | 噴射装置 |
-
2017
- 2017-06-16 JP JP2017118601A patent/JP6809391B2/ja active Active
-
2018
- 2018-06-12 WO PCT/JP2018/022291 patent/WO2018230520A1/ja active Application Filing
- 2018-06-12 DE DE112018003064.4T patent/DE112018003064T5/de active Granted
- 2018-06-12 CN CN201880036880.4A patent/CN110709589B/zh active Active
- 2018-06-12 US US16/622,950 patent/US11002170B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2019002362A (ja) | 2019-01-10 |
CN110709589A (zh) | 2020-01-17 |
US11002170B2 (en) | 2021-05-11 |
DE112018003064T5 (de) | 2020-03-05 |
WO2018230520A1 (ja) | 2018-12-20 |
CN110709589B (zh) | 2021-08-06 |
US20200200059A1 (en) | 2020-06-25 |
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