JP2017020510A - ディーゼルエンジンの効率的な排出制御のための電気加熱アシスト受動再生および能動再生 - Google Patents
ディーゼルエンジンの効率的な排出制御のための電気加熱アシスト受動再生および能動再生 Download PDFInfo
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- JP2017020510A JP2017020510A JP2016192378A JP2016192378A JP2017020510A JP 2017020510 A JP2017020510 A JP 2017020510A JP 2016192378 A JP2016192378 A JP 2016192378A JP 2016192378 A JP2016192378 A JP 2016192378A JP 2017020510 A JP2017020510 A JP 2017020510A
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- 238000011069 regeneration method Methods 0.000 title claims abstract description 86
- 230000008929 regeneration Effects 0.000 title claims abstract description 85
- 238000005485 electric heating Methods 0.000 title description 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 114
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000003054 catalyst Substances 0.000 claims description 23
- 230000001172 regenerating effect Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 82
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 44
- 239000013618 particulate matter Substances 0.000 description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 6
- 239000004202 carbamide Substances 0.000 description 6
- 238000005336 cracking Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000004071 soot Substances 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 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 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/027—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using electric or magnetic heating means
-
- 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
- F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
-
- 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
-
- 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
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- 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
- F01N2240/16—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 an electric heater, i.e. a resistance heater
-
- 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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives
-
- 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
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1404—Exhaust gas temperature
-
- 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)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
Description
4NO+2(NH2)2CO+O2→4N2+4H2O+2CO2
4NO+2(NH2)2CO+O2→4N2+4H2O+2CO2
Claims (15)
- 排ガス後処理システムの排気を加熱する方法であって、
エンジン負荷と前記排ガス後処理システムの部品の状態に基づき複数の加熱モードのなかからいずれかを選択するステップ、
前記選択した加熱モードで電気ヒータを動作させることにより前記排気を加熱するステップ、
エンジン負荷が約25%以下のとき受動再生加熱モードで前記電気ヒータを動作させて排気を所定温度まで加熱することによりNO2生成を増やすステップ、
を有することを特徴とする方法。 - 前記電気ヒータを動作させるステップはさらに、
低エンジン負荷において発電機により電力を生成し、生成した電力を利用して前記電気ヒータを動作させるステップを有する
ことを特徴とする請求項1記載の方法。 - 前記方法はさらに、
前記電気ヒータを動作させて前記排気の差動加熱を提供して前記所定温度まで加熱するステップを有する
ことを特徴とする請求項1記載の方法。 - 前記排ガス後処理システムはさらに、ディーゼル酸化触媒(DOC)とディーゼル微粒子除去装置(DPF)を備え、
前記排ガス後処理システムの前記部品の前記状態は、前記DPFの状態である
ことを特徴とする請求項1記載の方法。 - 前記方法はさらに、
前記DPFが能動再生しているとき前記電気ヒータを能動再生加熱モードで動作させて差動加熱を提供するステップを有する
ことを特徴とする請求項4記載の方法。 - 前記方法はさらに、
前記電気ヒータを動作させて、前記ヒータの近傍においてより多くの熱を提供し、排気管の中心近傍においてより少ない熱を提供して、前記排気管を交差する排ガス温度勾配を減少させるステップを有する
ことを特徴とする請求項1記載の方法。 - 前記方法はさらに、
排気管の壁近傍においてより多くの熱を提供し、前記排気管の中心近傍においてより少ない熱を提供して、前記排気管を交差する排ガス温度勾配を減少させるステップを有する
ことを特徴とする請求項1記載の方法。 - 前記電気ヒータを能動再生加熱モードで動作させるステップは、前記排気に対して燃料を噴射する工程を含まない
ことを特徴とする請求項5記載の方法。 - 前記所定温度は、前記DOCの特性の関数である
ことを特徴とする請求項4記載の方法。 - 前記所定温度は、300℃から460℃の範囲である
ことを特徴とする請求項1記載の方法。 - 前記所定温度は、320℃から380℃の範囲である
ことを特徴とする請求項1記載の方法。 - 前記加熱モードを選択するステップはさらに、
前記排気の排気温度を測定するステップ、
前記複数の加熱モードによる前記排気温度以上の所望の温度上昇を定めるステップ、
を有することを特徴とする請求項1記載の方法。 - 前記加熱モードを選択するステップはさらに、
前記温度上昇の関数、前記エンジン負荷、および前記DPFの状態に基づき、前記複数の加熱モードのうちいずれかで前記電気ヒータを動作させるステップを有する
ことを特徴とする請求項4記載の方法。 - 前記方法はさらに、
前記エンジン負荷が約25%以上のとき前記電気ヒータをOFFするステップを有する
ことを特徴とする請求項1記載の方法。 - 前記発電機は、前記排ガス後処理システムを通過する前記排気を生成するエンジンによって駆動される
ことを特徴とする請求項2記載の方法。
Applications Claiming Priority (2)
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US201261601923P | 2012-02-22 | 2012-02-22 | |
US61/601,923 | 2012-02-22 |
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JP2014558824A Division JP6018646B2 (ja) | 2012-02-22 | 2013-02-21 | ヒータ制御モジュール |
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JP2017020510A true JP2017020510A (ja) | 2017-01-26 |
JP6335995B2 JP6335995B2 (ja) | 2018-05-30 |
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JP2014558824A Active JP6018646B2 (ja) | 2012-02-22 | 2013-02-21 | ヒータ制御モジュール |
JP2016192378A Active JP6335995B2 (ja) | 2012-02-22 | 2016-09-30 | ディーゼルエンジンの効率的な排出制御のための電気加熱アシスト受動再生および能動再生 |
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US (4) | US9115616B2 (ja) |
EP (2) | EP2834488B1 (ja) |
JP (2) | JP6018646B2 (ja) |
CA (1) | CA2865165C (ja) |
ES (2) | ES2638605T3 (ja) |
WO (1) | WO2013126575A1 (ja) |
Cited By (1)
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RU176973U1 (ru) * | 2017-04-10 | 2018-02-06 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Южно-Уральский государственный аграрный университет" (ФГБОУ ВО "Южно-Уральский ГАУ") | Термоэлектрический мат |
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US20150337703A1 (en) | 2015-11-26 |
ES2638605T3 (es) | 2017-10-23 |
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CA2865165A1 (en) | 2013-08-29 |
US9115616B2 (en) | 2015-08-25 |
JP6018646B2 (ja) | 2016-11-02 |
EP3192991B1 (en) | 2019-04-24 |
ES2737849T3 (es) | 2020-01-16 |
EP2834488B1 (en) | 2017-07-26 |
US20130213010A1 (en) | 2013-08-22 |
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CA2865165C (en) | 2016-08-09 |
US20170254239A1 (en) | 2017-09-07 |
WO2013126575A1 (en) | 2013-08-29 |
US9708945B2 (en) | 2017-07-18 |
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US10669907B2 (en) | 2020-06-02 |
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