JP7033138B2 - 選択的触媒還元システムのための方法 - Google Patents
選択的触媒還元システムのための方法 Download PDFInfo
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- JP7033138B2 JP7033138B2 JP2019530829A JP2019530829A JP7033138B2 JP 7033138 B2 JP7033138 B2 JP 7033138B2 JP 2019530829 A JP2019530829 A JP 2019530829A JP 2019530829 A JP2019530829 A JP 2019530829A JP 7033138 B2 JP7033138 B2 JP 7033138B2
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- hydrolysis catalyst
- catalytic reduction
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- 238000010531 catalytic reduction reaction Methods 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 16
- 239000003054 catalyst Substances 0.000 claims description 47
- 230000007062 hydrolysis Effects 0.000 claims description 41
- 238000006460 hydrolysis reaction Methods 0.000 claims description 41
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 33
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 30
- 239000000126 substance Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 229910021529 ammonia Inorganic materials 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 13
- 239000012071 phase Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
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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
-
- 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]
-
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
-
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/40—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a hydrolysis catalyst
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0406—Methods of control or diagnosing using a model with a division of the catalyst or filter in several cells
-
- 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
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
加水分解触媒の数値モデルを準備するステップ;
前記数値モデルを評価して,前記加水分解触媒により生成されるアンモニアの予測濃度を導き出すステップ;並びに,
前記予測濃度に基づいて,前記加水分解触媒に対するDEF投与を制御するステップ;を備える。
加水分解触媒;
前記加水分解触媒にDEFを噴射するためのDEF投与ユニット;;
前述した方法を実施するためのコントローラ;並びに,
前記コントローラに接続された複数のセンサ;を備える。
Claims (7)
- ディーゼル排出流体(DEF)が投与される加水分解触媒を備える選択的触媒還元システムのための方法であって:
加水分解触媒の表面の数値モデルを準備するステップであって,前記数値モデルは,モデル化すべき加水分解触媒の多相空間モデルを備え,該モデルは複数の離散的な空間ユニットに区分され,前記数値モデルは,複数の物質の各々についての複数の物質状態の特性をモデル化する,ステップと;
複数の物質の各々についての複数の物質状態の各々に関連する複数の状態パラメータについての値を決定することにより前記数値モデルを評価して,前記加水分解触媒により生成されるアンモニアの予測濃度を導き出すステップであって,前記離散的な空間ユニットの各々における複数の物質の各々についての各物質状態の特性を評価する,ステップ;並びに,
前記予測濃度に基づいて,前記加水分解触媒に対するDEF投与を制御するステップ;を備える,方法。 - 請求項1に記載された方法であって,前記物質状態パラメータは:相変態;少なくとも1つの物質状態に関する化学反応パラメータ;複数の物質状態の間のエネルギバランス;及び,複数の物質状態の間の質量バランス;の少なくとも1つを代表するパラメータである,方法。
- 排出通路内で排出ガスを処理するための選択的触媒還元システムであって:
加水分解触媒;
前記加水分解触媒にDEFを噴射するためのDEF投与ユニット;
請求項1又は2に記載された方法を実施するためのコントローラ;並びに,
前記コントローラに接続された複数のセンサ;
を備える,選択的触媒還元システム。 - 請求項3に記載された選択的触媒還元であって,前記複数のセンサが:窒素酸化物センサ;入口温度センサ;出口温度センサ;及び,NOxセンサのうちの少なくとも1つを備える,選択的触媒還元システム。
- 請求項1又は2に記載された方法を実施するためにエンジンにより読み取り可能な1つ又は複数のシーケンスを含むコンピュータプログラム製品。
- 請求項3又は4に記載された選択的触媒還元システムを備える,エンジン用の排出装置。
- 請求項3又は4に記載された選択的触媒還元システムを備えるエンジン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16205950.5A EP3339595B1 (en) | 2016-12-21 | 2016-12-21 | Method for selective catalytic reduction system |
EP16205950.5 | 2016-12-21 | ||
PCT/EP2017/082191 WO2018114424A1 (en) | 2016-12-21 | 2017-12-11 | Method for selective catalytic reduction system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020514606A JP2020514606A (ja) | 2020-05-21 |
JP7033138B2 true JP7033138B2 (ja) | 2022-03-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019530829A Active JP7033138B2 (ja) | 2016-12-21 | 2017-12-11 | 選択的触媒還元システムのための方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10934917B2 (ja) |
EP (1) | EP3339595B1 (ja) |
JP (1) | JP7033138B2 (ja) |
CN (1) | CN110073089B (ja) |
WO (1) | WO2018114424A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3339591B1 (en) * | 2016-12-21 | 2019-08-14 | Perkins Engines Company Limited | Control method and apparatus for a selective catalytic reduction system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090151339A1 (en) | 2007-12-18 | 2009-06-18 | Andreas Doring | Method and Arrangement for Improving the Hydrolysis of a Reduction Agent in an Exhaust Gas Post Treatment System |
JP2010106718A (ja) | 2008-10-29 | 2010-05-13 | Toyota Motor Corp | 内燃機関の排気ガス推定装置 |
JP2013515897A (ja) | 2009-12-23 | 2013-05-09 | エフピーティ モトーレンフォアシュンク アクチェンゲゼルシャフト | 車両のscr触媒コンバータを制御するための方法及び装置 |
JP2013534291A (ja) | 2010-08-18 | 2013-09-02 | 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 | 排ガス処理装置の作動方法 |
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EP0555746B1 (de) * | 1992-02-10 | 1997-09-10 | MAN Nutzfahrzeuge Aktiengesellschaft | Vorrichtung zur katalytischen NOX-Reduktion |
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US5976475A (en) * | 1997-04-02 | 1999-11-02 | Clean Diesel Technologies, Inc. | Reducing NOx emissions from an engine by temperature-controlled urea injection for selective catalytic reduction |
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JP2006009608A (ja) * | 2004-06-23 | 2006-01-12 | Hino Motors Ltd | 排気浄化装置 |
GB0521799D0 (en) | 2005-10-26 | 2005-12-07 | Imi Vision Ltd | Exhaust gas treatment |
DE102006038291A1 (de) * | 2006-08-16 | 2008-02-21 | Man Nutzfahrzeuge Aktiengesellschaft | Abgasnachbehandlungssystem |
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2016
- 2016-12-21 EP EP16205950.5A patent/EP3339595B1/en active Active
-
2017
- 2017-12-11 US US16/464,095 patent/US10934917B2/en active Active
- 2017-12-11 JP JP2019530829A patent/JP7033138B2/ja active Active
- 2017-12-11 WO PCT/EP2017/082191 patent/WO2018114424A1/en active Application Filing
- 2017-12-11 CN CN201780077560.9A patent/CN110073089B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090151339A1 (en) | 2007-12-18 | 2009-06-18 | Andreas Doring | Method and Arrangement for Improving the Hydrolysis of a Reduction Agent in an Exhaust Gas Post Treatment System |
JP2010106718A (ja) | 2008-10-29 | 2010-05-13 | Toyota Motor Corp | 内燃機関の排気ガス推定装置 |
JP2013515897A (ja) | 2009-12-23 | 2013-05-09 | エフピーティ モトーレンフォアシュンク アクチェンゲゼルシャフト | 車両のscr触媒コンバータを制御するための方法及び装置 |
JP2013534291A (ja) | 2010-08-18 | 2013-09-02 | 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 | 排ガス処理装置の作動方法 |
Also Published As
Publication number | Publication date |
---|---|
US10934917B2 (en) | 2021-03-02 |
WO2018114424A1 (en) | 2018-06-28 |
CN110073089A (zh) | 2019-07-30 |
JP2020514606A (ja) | 2020-05-21 |
US20190301332A1 (en) | 2019-10-03 |
EP3339595A1 (en) | 2018-06-27 |
CN110073089B (zh) | 2021-02-26 |
EP3339595B1 (en) | 2020-04-01 |
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