KR20170113110A - 배기가스 후처리 시스템, 내연기관 및 내연기관의 작동 방법 - Google Patents
배기가스 후처리 시스템, 내연기관 및 내연기관의 작동 방법 Download PDFInfo
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- 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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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
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- 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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- 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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- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2258/00—Sources of waste gases
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- 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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- 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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Abstract
Description
도 1은 본 발명에 따른 배기가스 후처리 시스템을 구비하는 내연기관의 개략적인 사시도.
도 2는 도 1의 배기가스 후처리 시스템의 상세도.
도 3은 도 2의 상세도.
2 : 배기가스 과급 시스템
3 : 배기가스 후처리 시스템
4 : 배기가스 과급기
5 : 배기가스 과급기
6 : 고압 터빈
7 : 저압 터빈
8 : 배기가스 공급 라인
9 : SCR 촉매 컨버터
10 : 리액터 챔버
11 : 배기가스 배출 라인
12 : 우회로
13 : 차단 요소
14 : 배기가스 라우팅
15 : 단부
16 : 유입 장치
17 : 주입 원추부
18 : 혼합 섹션
19 : 측부
20 : 배플 요소
21 : 라인
22 : 측부
23 : 측부
Claims (16)
- 촉매 컨버터(9)를 구비하는 내연기관의 배기가스 후처리 시스템(3)으로서, 촉매 컨버터(9)로 통하는 배기가스 공급 라인(8)과 촉매 컨버터(9)로부터 멀어지는 방향으로 연장되는 배기가스 배출 라인(11)을 포함하는 내연기관의 배기가스 후처리 시스템에 있어서,
배기가스 공급 라인(8)과 배기가스 배출 라인(11)은 촉매 컨버터(9)를 수용하는 리액터 챔버(10)의 공통측(19)에 연결되고 및/또는 공통측(19)에서 리액터 챔버(10)로 연장되며, 배기가스 공급 라인(8)과 배기가스 배출 라인(11) 사이에, SCR 촉매 컨버터(9) 또는 리액터 챔버(10)에 대한 우회로(12)가 형성되고, 우회로(12)에 차단 요소(13)가 연결되는 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템. - 제1항에 있어서, 배기가스 후처리 시스템은, 예컨대 SCR, CH4, 또는 HCHO 산화 촉매 컨버터인 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템.
- 제1항에 있어서, 우회로(12)는 환원제와 배기가스를 혼합하기 위해 환원제, 특히 암모니아 또는 암모니아 전구체 물질을 혼합 섹션(18) 구역으로 유입시키도록 배기가스 공급 라인(8)으로부터 유입 장치(16) 하류의 배기가스 배출 라인(11) 방향으로 분기되는 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 배기가스 공급 라인(8)은 하류 단부(15)에 의해 리액터 챔버(10) 내로 개방되고, 배기가스 공급 라인(8)의 이 하류 단부(15)와 배플 요소(20)가 상호 작용하며, 배플 요소는 배기가스 공급 라인(8)의 하류 단부(15)에 대해 변위 가능한 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 우회로(12)에 연결되는 차단 요소(13)는, 작동 상황에 따라 개방 또는 폐쇄되는 차단 밸브인 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템.
- 제4항 또는 제5항에 있어서, 우회로(12)에 연결된 차단 밸브의 위치는 배기가스 공급 라인(8)의 하류 단부(15)에 대해 배플 요소(20)의 위치에 좌우되는 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 우회로(12)에 연결되는 차단 요소(13)는 파열 디스크인 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템.
- 제7항에 있어서, 파열 디스크는 배기가스 공급 라인(8) 내의 압력과 배기가스 배출 라인(11) 내의 압력차에 따라 개방되는 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템.
- 제7항 또는 제8항에 있어서, 파열 디스크에는 파열 디스크를 개방하는 장치가 할당되는 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템.
- 제9항에 있어서, 파열 디스크를 개방하는 장치는 압축 공기를 파열 디스크로 지향시키는 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 배기가스 배출 라인(11)은 적어도 특정 섹션에서 배기가스 공급 라인(8)을 외측에서 둘러싸고, 촉매 컨버터(9) 또는 리액터 챔버(10)에 대한 우회로(12)는, 배기가스 배출 라인(11)이 배기가스 공급 라인(8)을 외측에서 둘러싸는 구역에 또는 이 구역에 인접하게 형성되는 것을 특징으로 하는 내연기관의 배기가스 후처리 시스템.
- 제1항 내지 제11항 중 어느 한 항에 따른 배기가스 후처리 시스템(3)을 구비하는 내연기관(1), 특히 경유 또는 중유로 작동되는 내연기관.
- 제12항에 있어서, 내연기관은 고압 터빈(6)을 포함하는 제1 배기가스 과급기(4)와, 저압 터빈(7)을 포함하는 제2 배기가스 과급기(5)를 구비하는 다단 배기가스 과급 시스템(2)을 포함하고, 배기가스 후처리 시스템(3)은 고압 터빈(6)과 저압 터빈(7) 사이에 연결되는 것을 특징으로 하는 내연기관.
- 제12항에 있어서, 단일 단 과급 엔진에서, EGA 시스템은 배기가스 터빈 상류에 배치되는 것을 특징으로 하는 내연기관.
- 제11항 또는 제12항에 따른 내연기관의 작동 방법에 있어서, 우회로(12)에 연결되는 차단 요소(13)는, 특히 내연기관이 저온 시동 작동 모드로 작동될 때 및/또는 내연기관에 의해 제공되는 모멘트가 동적으로 증가될 때 및/또는 배기가스 후처리 시스템(3), 특히 SCR 촉매 컨버터(9)가 클로깅될 때에 개방되는 것을 특징으로 하는 내연기관의 작동 방법.
- 제3항에 따른 배기가스 후처리 시스템(3)을 사용하는 제11항 또는 제12항에 따른 내연기관의 작동 방법에 있어서, 특히 배기가스 공급 라인(8)의 하류 단부(15)와 상호 작용하는 배플 요소(20)가 배기가스 공급 라인(8)을 차단할 때에 우회로(12)에 연결되는 차단 요소(13)가 개방되는 것을 특징으로 하는 내연기관의 작동 방법.
Applications Claiming Priority (2)
| 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 |
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| KR20170113110A true KR20170113110A (ko) | 2017-10-12 |
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| KR1020170031715A Withdrawn KR20170113110A (ko) | 2016-03-31 | 2017-03-14 | 배기가스 후처리 시스템, 내연기관 및 내연기관의 작동 방법 |
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| JP (1) | JP6802101B2 (ko) |
| KR (1) | KR20170113110A (ko) |
| CN (1) | CN107269361B (ko) |
| DE (1) | DE102016003742A1 (ko) |
| FI (1) | FI20175264A (ko) |
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| KR102450817B1 (ko) * | 2022-05-19 | 2022-10-04 | 한국해양교통안전공단 | 선박용 배기가스 처리시스템 및 그 운전방법 |
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| FI128486B (en) | 2016-07-01 | 2020-06-15 | Ch Bioforce Oy | Procedure for conversion of fresh biomass |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| DE102011015512A1 (de) * | 2011-03-30 | 2012-10-04 | Dif Die Ideenfabrik Gmbh | Kompakte Abgasbehandlungseinheit mit Mischbereich und Verfahren zur Vermischung eines Abgases |
| 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 |
| JP6108741B2 (ja) * | 2012-09-27 | 2017-04-05 | 日立造船株式会社 | 船舶用排ガス脱硝装置 |
| 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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- 2017-03-14 KR KR1020170031715A patent/KR20170113110A/ko not_active Withdrawn
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| KR102450817B1 (ko) * | 2022-05-19 | 2022-10-04 | 한국해양교통안전공단 | 선박용 배기가스 처리시스템 및 그 운전방법 |
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| Publication number | Publication date |
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| CN107269361B (zh) | 2021-10-08 |
| JP2017187026A (ja) | 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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