JP2017187026A - 排ガス後処理システム、内燃機関、および内燃機関を動作させるための方法 - Google Patents
排ガス後処理システム、内燃機関、および内燃機関を動作させるための方法 Download PDFInfo
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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
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary oxidation catalysts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
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- 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
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- 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
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
- F01N3/2066—Selective catalytic reduction [SCR]
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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
- F01N3/24—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
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- 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
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
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- 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
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- 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
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- 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
- F01N2240/20—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 flow director or deflector
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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
- 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
- F01N2240/36—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 exhaust flap
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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
- F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
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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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
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- 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
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Abstract
Description
2 排ガス過給システム
3 排ガス後処理システム
4 排ガスターボチャージャ
5 排ガスターボチャージャ
6 高圧タービン
7 低圧タービン
8 排ガス供給ライン
9 SCR触媒コンバータ
10 反応器チャンバ
11 排ガス排出ライン
12 バイパス
13 遮断要素
14 排ガス経路
15 端部
16 導入デバイス
17 注入コーン
18 混合セクション
19 側
20 バッフル要素
21 ライン
22 側部
23 側部
Claims (16)
- 内燃機関の排ガス後処理システム(3)であって、触媒コンバータ(9)を有し、前記触媒コンバータ(9)へと続く排ガス供給ライン(8)を有し、前記触媒コンバータ(9)から離れるように続く排ガス排出ライン(11)を有する、排ガス後処理システム(3)において、前記排ガス供給ライン(8)および前記排ガス排出ライン(11)は、前記触媒コンバータ(9)を受ける反応器チャンバ(10)の共通する側(19)へと連結され、および/または前記共通する側(19)において前記反応器チャンバ(10)内へと延在することと、前記SCR触媒コンバータ(9)または前記反応器チャンバ(10)に対するバイパス(12)が、前記排ガス供給ライン(8)と前記排ガス排出ライン(11)との間に形成され、遮断要素(13)が、前記バイパス(12)内に連結されることとを特徴とする、排ガス後処理システム(3)。
- 例えばSCR触媒コンバータ、CH4触媒コンバータ、またはHCHO酸化触媒コンバータなどであることを特徴とする、請求項1に記載の排ガス後処理システム(3)。
- 前記バイパス(12)は、導入デバイス(16)の下流にて前記排ガス排出ライン(11)の方向へと前記排ガス供給ライン(8)から分岐し、前記導入デバイス(16)は、特にアンモニアまたはアンモニア前駆体物質である還元剤を、前記還元剤と前記排ガスとを混合するための混合セクション(18)の領域において前記排ガス中に導入するためのものであることを特徴とする、請求項1に記載の排ガス後処理システム。
- 前記排ガス供給ライン(8)は、下流端部(15)にて前記反応器チャンバ(10)内に開口することと、前記排ガス供給ライン(8)の前記下流端部(15)に対して変位可能であるバッフル要素(20)が、前記排ガス供給ライン(8)のこの下流端部(15)と相互作用することとを特徴とする、請求項1から3のいずれか一項に記載の排ガス後処理システム。
- 前記バイパス(12)内に連結された前記遮断要素(13)は、動作状況に依拠して開閉する遮断弁であることを特徴とする、請求項1から4のいずれか一項に記載の排ガス後処理システム。
- 前記バイパス(12)内に連結された前記遮断弁の位置が、前記排ガス供給ライン(8)の前記下流端部(15)に対する前記バッフル要素(20)の位置に依拠することを特徴とする、請求項4または5に記載の排ガス後処理システム。
- 前記バイパス(12)内に連結された前記遮断要素(13)は、破裂板であることを特徴とする、請求項1から4のいずれか一項に記載の排ガス後処理システム。
- 前記破裂板は、前記排ガス供給ライン(8)内の圧力と前記排ガス排出ライン(11)内の圧力との間の圧力差に依拠して開くことを特徴とする、請求項7に記載の排ガス後処理システム。
- 前記破裂板は、前記破裂板を開くデバイスを装備していることを特徴とする、請求項7または8に記載の排ガス後処理システム。
- 前記破裂板を開くための前記デバイスは、前記破裂板に対して圧縮空気を送ることを特徴とする、請求項9に記載の排ガス後処理システム。
- 前記排ガス排出ライン(11)は、少なくともある特定のセクションの外部において前記排ガス供給ライン(8)を囲むことと、前記触媒コンバータ(9)または前記反応器チャンバ(10)に対する前記バイパス(12)は、前記排ガス排出ライン(11)が前記外部において前記排ガス供給ライン(8)を囲む領域にまたはそれに隣接して形成されることとを特徴とする、請求項1から10のいずれか一項に記載の排ガス後処理システム。
- 特に請求項1から11のいずれか一項に記載の排ガス後処理システム(3)を有するディーゼル燃料または重質燃料油で動作される、内燃機関(1)。
- 高圧タービン(6)を備える第1の排ガスターボチャージャ(4)および低圧タービン(7)を備える第2の排ガスターボチャージャ(5)を有する多段排ガス過給システム(2)を備え、前記排ガス後処理システム(3)は、前記高圧タービン(6)と前記低圧タービン(7)との間で連結されることを特徴とする、請求項12に記載の内燃機関。
- 単段過給機関において、前記排ガス後処理(EGA)システムは、前記排ガスタービンの上流に配置されることを特徴とする、請求項12に記載の内燃機関。
- 請求項11または12に記載の内燃機関を動作させるための方法であって、前記バイパス(12)内に連結された前記遮断要素(13)は、特に前記内燃機関が冷間始動動作モードにおいて動作される場合に、および/または前記内燃機関により与えられることとなるモーメントが動的に増大される場合に、および/または前記排ガス後処理システム(3)、特に前記SCR触媒コンバータ(9)が閉塞される場合に、開かれることを特徴とする、方法。
- 請求項3に記載の排ガス後処理システム(3)を有する請求項11または12に記載の内燃機関を動作させるための方法であって、前記バイパス(12)内に連結された前記遮断要素(13)は、特に前記排ガス供給ライン(8)の前記下流端部(15)と相互作用する前記バッフル要素(20)が前記排ガス供給ライン(8)を遮断する場合に、開かれることを特徴とする、方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016003742.3 | 2016-03-31 | ||
| DE102016003742.3A DE102016003742A1 (de) | 2016-03-31 | 2016-03-31 | Abgasnachbehandlungssystem, Brennkraftmaschine und Verfahren zum Betreiben derselben |
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| Publication Number | Publication Date |
|---|---|
| JP2017187026A true JP2017187026A (ja) | 2017-10-12 |
| JP6802101B2 JP6802101B2 (ja) | 2020-12-16 |
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| JP (1) | JP6802101B2 (ja) |
| KR (1) | KR20170113110A (ja) |
| CN (1) | CN107269361B (ja) |
| DE (1) | DE102016003742A1 (ja) |
| FI (1) | FI20175264A (ja) |
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| FI128486B (en) | 2016-07-01 | 2020-06-15 | Ch Bioforce Oy | Procedure for conversion of fresh biomass |
| KR102450817B1 (ko) * | 2022-05-19 | 2022-10-04 | 한국해양교통안전공단 | 선박용 배기가스 처리시스템 및 그 운전방법 |
| CN115370451B (zh) * | 2022-10-21 | 2023-01-17 | 无锡市隆盛轨道科技有限公司 | 一种轨道机车排放后处理系统 |
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| JP2014066219A (ja) * | 2012-09-27 | 2014-04-17 | Hitachi Zosen Corp | 排ガス脱硝装置 |
| JP2014511969A (ja) * | 2011-03-30 | 2014-05-19 | 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 | 混合領域を有する小型の排気ガス処理装置および排気ガスを混合するための方法 |
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| GB9915939D0 (en) * | 1999-07-08 | 1999-09-08 | Johnson Matthey Plc | Improvements in pollution control |
| DE10128548A1 (de) * | 2001-06-13 | 2002-09-26 | Guenther Ebinger | Abgasreinigungsvorrichtung für Brennkraftmaschinen |
| DE102005026032A1 (de) * | 2005-06-03 | 2006-12-07 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren und Vorrichtung zur Behandlung von Abgasen von Verbrennungskraftmaschinen |
| DE102008038719B4 (de) * | 2008-08-12 | 2025-05-08 | Man Truck & Bus Se | Verfahren und Vorrichtung zur Regeneration eines im Abgasstrang einer Brennkraftmaschine angeordneten Partikelfilters |
| CN102410069A (zh) * | 2011-11-24 | 2012-04-11 | 杭州银轮科技有限公司 | 一种scr催化转化消声器 |
| DE102012019948A1 (de) * | 2012-10-11 | 2014-04-17 | Man Diesel & Turbo Se | Abgasnachbehandlungssystem und Verfahren zur Abgasnachbehandlung |
| DE102012019947A1 (de) * | 2012-10-11 | 2014-04-17 | Man Diesel & Turbo Se | Brennkraftmaschine |
| DE102014005418A1 (de) * | 2014-04-14 | 2015-10-15 | Man Diesel & Turbo Se | Abgasnachbehandlungssystem und Verfahren zur Abgasnachbehandlung |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014511969A (ja) * | 2011-03-30 | 2014-05-19 | 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 | 混合領域を有する小型の排気ガス処理装置および排気ガスを混合するための方法 |
| JP2014066219A (ja) * | 2012-09-27 | 2014-04-17 | Hitachi Zosen Corp | 排ガス脱硝装置 |
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| Publication number | Publication date |
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| CN107269361B (zh) | 2021-10-08 |
| KR20170113110A (ko) | 2017-10-12 |
| CN107269361A (zh) | 2017-10-20 |
| DE102016003742A1 (de) | 2017-10-05 |
| JP6802101B2 (ja) | 2020-12-16 |
| FI20175264A7 (fi) | 2017-10-01 |
| FI20175264A (fi) | 2017-10-01 |
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