JP6966671B2 - 内燃機関の運転方法及び内燃機関 - Google Patents
内燃機関の運転方法及び内燃機関 Download PDFInfo
- Publication number
- JP6966671B2 JP6966671B2 JP2017124936A JP2017124936A JP6966671B2 JP 6966671 B2 JP6966671 B2 JP 6966671B2 JP 2017124936 A JP2017124936 A JP 2017124936A JP 2017124936 A JP2017124936 A JP 2017124936A JP 6966671 B2 JP6966671 B2 JP 6966671B2
- Authority
- JP
- Japan
- Prior art keywords
- catalytic converter
- exhaust gas
- internal combustion
- combustion engine
- supercharged air
- 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.)
- Active
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 89
- 230000003197 catalytic effect Effects 0.000 claims description 141
- 238000000034 method Methods 0.000 claims description 24
- 238000011144 upstream manufacturing Methods 0.000 claims description 19
- 239000003054 catalyst Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 90
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 21
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
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
-
- 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
- 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
- F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
-
- 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
-
- 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
- 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
- F01N3/30—Arrangements for supply of additional air
- F01N3/32—Arrangements for supply of additional air using air pump
- F01N3/326—Engine-driven air pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B73/00—Combinations of two or more engines, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D23/00—Controlling engines characterised by their being supercharged
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D25/00—Controlling two or more co-operating engines
-
- 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
- F01N2240/02—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 heat exchanger
-
- 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
- F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other 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
- F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
- F01N2410/02—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of high temperature, e.g. overheating of catalytic reactor
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/30—Tubes with restrictions, i.e. venturi or the like, e.g. for sucking air or measuring mass flow
-
- 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
- F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
- F01N2900/1804—Properties of secondary air added directly to the exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
- F02B37/164—Control of the pumps by bypassing charging air the bypassed air being used in an auxiliary apparatus, e.g. in an air turbine
-
- 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
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- 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
-
- 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
-
- 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)
- Exhaust Gas After Treatment (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Supercharger (AREA)
Description
2、2a、2b 排ガス過給システム
3、3a、3b 排ガス後処理システム
4、4a、4b シリンダ
5、5a、5b 燃料
6、6a、6b 過給空気
7、7a、7b 排ガス
8、8a、8b 排ガスターボチャージャ
9、9a、9b 圧縮機
10、10a、10b タービン
11、11a、11b 過給空気冷却器
12、12a、12b 触媒コンバータ
13、13a、13b バイパス
14、14a、14b 遮断装置
15、15a、15b 遮断装置
16、16a、16b 遮断装置
17、17a、17b 導管
18、18a、18b 圧力センサ
19、19a、19b 絞り弁
20 加熱装置
21 温度センサ
22 熱交換器
23 導管
24 遮断装置
25、25a、25b 分岐箇所
26、26a、26b 供給箇所
Claims (14)
- 排ガス過給システム(2)及び排ガス後処理システム(3)を有する内燃機関(1)を運転するための方法であって、前記排ガス過給システム(2)は、タービン(10)及び圧縮機(9)を備えた排ガスターボチャージャ(8)を有しており、前記排ガス後処理システム(3)は、触媒コンバータ(12)と、前記触媒コンバータ(12)の上流及び下流に配置された遮断装置(14、15)と、前記触媒コンバータ(12)に対する、さらなる遮断装置(16)を備えたバイパス(13)と、を有しており、前記触媒コンバータ(12)を排ガスが流れることを防止するために、前記触媒コンバータ(12)の上流及び下流に配置された前記遮断装置(14、15)は閉じられ、前記バイパス(13)の前記さらなる遮断装置(16)は開かれる方法において、
前記触媒コンバータ(12)の上流及び下流に配置された前記遮断装置(14、15)が閉じられている場合、前記触媒コンバータ(12)は、前記排ガスターボチャージャ(8)の前記圧縮機(9)内で圧縮された過給空気によって作用され、
前記触媒コンバータ(12)は、前記触媒コンバータ(12)内で、前記触媒コンバータに通じる排ガス供給導管に対して過剰圧力が存在するように過給空気によって作用されることを特徴とする方法。 - 前記触媒コンバータ(12)は、前記触媒コンバータ(12)内で、前記触媒コンバータから延在する排ガス排出導管に対して、及び/又は、前記バイパス(13)に対して、過剰圧力が存在するように過給空気によって作用されることを特徴とする請求項1に記載の方法。
- 前記触媒コンバータ(12)内の圧力が検出され、前記触媒コンバータ(12)に供給される過給空気流が、前記触媒コンバータ(12)内で、前記排ガス供給導管に対して、及び/又は、前記排ガス排出導管に対して、及び/又は、前記バイパス(13)に対して、少なくとも2mbarの過剰圧力が存在するように調節されることを特徴とする、請求項2に記載の方法。
- 前記触媒コンバータ(12)に供給される前記過給空気が熱せられることを特徴とする、請求項1から3のいずれか一項に記載の方法。
- 前記過給空気が、熱交換器(22)内で熱せられ、前記熱交換器を通るように、一方では前記触媒コンバータ(12)に供給される過給空気が、他方では排ガスが誘導されることを特徴とする、請求項4に記載の方法。
- 前記触媒コンバータ(12)には、少なくとも120℃の温度を有する過給空気が供給されることを特徴とする、請求項1から5のいずれか一項に記載の方法。
- 前記触媒コンバータ(12)に供給される前記過給空気が、過給空気冷却器(11)の上流又は下流で取り出されることを特徴とする、請求項1から6のいずれか一項に記載の方法。
- 複数の内燃機関(1a、1b)を有する設備を稼働するための方法において、
内燃機関(1a、1b)が動作している場合、前記内燃機関(1a、1b)それぞれは、請求項1から7のいずれか一項に従って運転されることを特徴とする方法。 - 内燃機関(1a、1b)が停止している場合、停止している前記内燃機関(1a、1b)の前記触媒コンバータ(12a、12b)は、動作中の内燃機関(1a、1b)の過給空気によって作用されることを特徴とする、請求項8に記載の方法。
- 排ガス過給システム(2)及び排ガス後処理システム(3)を有する内燃機関(1)であって、前記排ガス過給システム(2)は、タービン(10)及び圧縮機(9)を備えた排ガスターボチャージャ(8)を有しており、前記排ガス後処理システム(3)は、触媒コンバータ(12)と、前記触媒コンバータ(12)の上流及び下流に配置された遮断装置(14、15)と、前記触媒コンバータ(12)に対する、さらなる遮断装置(16)を備えるバイパス(13)と、を有している内燃機関において、
前記排ガスターボチャージャ(8)の前記圧縮機(9)の下流では、導管(17)が、前記内燃機関(1)のシリンダ(4)に至る過給空気導管から分岐しており、前記過給空気導管を通じて、前記触媒コンバータ(12)の上流及び下流に配置された前記遮断装置(14、15)が閉じられている場合、前記触媒コンバータ(12)は、前記排ガスターボチャージャ(8)の前記圧縮機(9)内で圧縮された過給空気によって作用されることが可能であり、
前記触媒コンバータ(12)は、前記触媒コンバータ(12)内で、前記触媒コンバータに通じる排ガス供給導管に対して過剰圧力が存在するように過給空気によって作用されることを特徴とする内燃機関。 - 前記過給空気導管から分岐する前記導管(17)には、調節可能な絞り弁(19)が組み込まれていることを特徴とする、請求項10に記載の内燃機関。
- 前記過給空気導管から分岐する前記導管(17)が、分岐箇所(25)における過給空気の圧力が、供給箇所(26)の領域における圧力よりも大きくなるように、前記過給空気導管の前記分岐箇所(25)で分岐し、前記供給箇所(26)において、前記触媒コンバータ(12)に開くことを特徴とする、請求項10又は11に記載の内燃機関。
- 請求項1から9のいずれか一項に記載の方法を実施するための制御装置を備えることを特徴とする、請求項10から12のいずれか一項に記載の内燃機関。
- 複数の、請求項10から13のいずれか一項に記載の内燃機関(1a、1b)から成る設備であって、第1の内燃機関(1a)の過給空気を誘導する導管(17a)から分岐する導管(23)を通じて、第2の内燃機関(1b)の触媒コンバータ(12b)は過給空気によって作用されることが可能である設備。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016113375.2A DE102016113375A1 (de) | 2016-07-20 | 2016-07-20 | Verfahren zum Betreiben einer Brennkraftmaschine und Brennkraftmaschine |
DE102016113375.2 | 2016-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018013122A JP2018013122A (ja) | 2018-01-25 |
JP6966671B2 true JP6966671B2 (ja) | 2021-11-17 |
Family
ID=60890274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017124936A Active JP6966671B2 (ja) | 2016-07-20 | 2017-06-27 | 内燃機関の運転方法及び内燃機関 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6966671B2 (ja) |
KR (1) | KR20180010159A (ja) |
CN (1) | CN107642394A (ja) |
DE (1) | DE102016113375A1 (ja) |
FI (1) | FI20175651A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102150160B1 (ko) * | 2018-09-17 | 2020-08-31 | 현대중공업 주식회사 | 엔진 시스템 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5781290B2 (ja) * | 2010-11-02 | 2015-09-16 | 日立造船株式会社 | 排ガス浄化装置 |
KR101417296B1 (ko) * | 2012-06-25 | 2014-07-08 | 두산엔진주식회사 | 선택적 촉매 환원 시스템을 포함한 선박용 동력 장치 |
JP6064498B2 (ja) * | 2012-10-02 | 2017-01-25 | 株式会社Ihi | 脱硝システム |
JP6102329B2 (ja) * | 2013-02-22 | 2017-03-29 | 株式会社Ihi | 脱硝装置および脱硝方法 |
AT513133B1 (de) * | 2013-04-18 | 2014-02-15 | Avl List Gmbh | Großdiesel-Brennkraftmaschine |
KR101803445B1 (ko) * | 2013-10-17 | 2017-12-28 | 카와사키 주코교 카부시키 카이샤 | 선박용 배기 가스 정화 장치 및 선박 기관 시스템 |
KR20140001777U (ko) * | 2014-02-11 | 2014-03-26 | 두산엔진주식회사 | 선택적 촉매 환원 시스템을 포함한 선박용 동력 장치 |
EP3132126B1 (en) | 2014-04-17 | 2018-08-29 | Wärtsilä Finland Oy | System and method of catalyst frost protection of selective catalytic reduction |
CN105003326B (zh) * | 2015-07-28 | 2017-12-08 | 青岛双瑞海洋环境工程股份有限公司 | 船舶废气脱硝系统 |
-
2016
- 2016-07-20 DE DE102016113375.2A patent/DE102016113375A1/de active Pending
-
2017
- 2017-06-27 JP JP2017124936A patent/JP6966671B2/ja active Active
- 2017-07-05 FI FI20175651A patent/FI20175651A/fi not_active Application Discontinuation
- 2017-07-19 KR KR1020170091569A patent/KR20180010159A/ko not_active Application Discontinuation
- 2017-07-20 CN CN201710596027.5A patent/CN107642394A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN107642394A (zh) | 2018-01-30 |
FI20175651A (fi) | 2018-01-21 |
JP2018013122A (ja) | 2018-01-25 |
KR20180010159A (ko) | 2018-01-30 |
DE102016113375A1 (de) | 2018-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7735314B2 (en) | Exhaust after-treatment system with flow control for optimum temperature conditions | |
EP2525057A1 (en) | Exhaust-gas denitration system, ship equipped therewith, and method for controlling exhaust-gas denitration system | |
KR101367114B1 (ko) | 배기가스의 탈질 시스템 | |
KR20160109996A (ko) | Scr 시스템 | |
CN102062002A (zh) | 内燃机中压缩机和增压空气冷却器保护的设备和方法 | |
JP5536180B2 (ja) | 排気ガス浄化装置 | |
KR101803445B1 (ko) | 선박용 배기 가스 정화 장치 및 선박 기관 시스템 | |
EP1674681B1 (en) | Method for adjusting the temperature of an exhaust gas treatment system for internal combustion engines and engine apparatus | |
KR101840908B1 (ko) | 내연 피스톤 엔진의 배기 가스들을 처리하기 위한 배열체, 내연 피스톤 엔진 및 내연 피스톤 엔진의 배기 가스를 처리하기 위한 방법 | |
CN103097688A (zh) | 用于选择性催化还原的排气系统及方法 | |
JP6803790B2 (ja) | 排ガス後処理システムを有する内燃機関 | |
CN105275549A (zh) | 减少排放的内燃发动机系统 | |
CN102200075A (zh) | 具有内燃发动机的机动车辆及其操作方法 | |
JP5915023B2 (ja) | 脱硝装置および脱硝方法 | |
JP6966671B2 (ja) | 内燃機関の運転方法及び内燃機関 | |
KR102225916B1 (ko) | Lp scr 시스템 및 그 제어 방법 | |
JP7149691B2 (ja) | 内燃機関の運転方法および内燃機関 | |
CN108869111A (zh) | 长程egr系统 | |
CN107269364B (zh) | 废气后处理系统和内燃机 | |
US11293330B2 (en) | Exhaust coolant system and method | |
KR102017350B1 (ko) | 에너지 절감형 scr 시스템을 구비하는 배기계 및 그것의 운용방법 | |
KR101195361B1 (ko) | 저속 디젤엔진 배기가스의 질소산화물 저감을 위한 시스템 | |
US20160186634A1 (en) | Exhaust after-treatment system for an internal combustion engine | |
KR101722840B1 (ko) | 저압 scr 시스템 | |
JP2008002355A (ja) | 排気浄化装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20191202 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20201112 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20201130 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210301 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210621 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20210720 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210721 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210813 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6966671 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |