JP2017187034A - 排気ガス後処理システム及び内燃機関 - Google Patents
排気ガス後処理システム及び内燃機関 Download PDFInfo
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- JP2017187034A JP2017187034A JP2017067167A JP2017067167A JP2017187034A JP 2017187034 A JP2017187034 A JP 2017187034A JP 2017067167 A JP2017067167 A JP 2017067167A JP 2017067167 A JP2017067167 A JP 2017067167A JP 2017187034 A JP2017187034 A JP 2017187034A
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- exhaust gas
- catalytic converter
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- aftertreatment system
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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
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2807—Metal other than sintered metal
- F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
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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
- F01N3/2093—Periodically blowing a gas through the converter, e.g. in a direction opposite to exhaust gas flow or by reversing exhaust gas flow direction
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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
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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
-
- 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]
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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
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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
- F01N3/2086—Activating the catalyst by light, photo-catalysts
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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
-
- 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
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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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/06—Exhaust treating devices having provisions not otherwise provided for for improving exhaust evacuation or circulation, or reducing back-pressure
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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
- F01N2270/00—Mixing air with exhaust gases
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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
- 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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Incineration Of Waste (AREA)
Abstract
Description
2 排気ガス過給システム
3 排気ガス後処理システム
4 排気ガスターボチャージャ
5 排気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 排気ガス供給ライン
9 SCR触媒コンバータ
10 反応器チャンバ
11 排気ガス排出ライン
12 バイパス
13 遮断素子
14 排気ガスガイド
15 端部
16 導入装置
17 注入円錐
18 混合セクション
19 壁
20 邪魔板素子
21 ライン
22 側
23 側
24 吹付装置
25 装置
26 吹出円錐
27 ハニカム体
Claims (12)
- 内燃機関の排気ガス後処理システム(3)、すなわち内燃機関のSCR排気ガス後処理システムであって、
反応器チャンバ(10)内に受けられるSCR触媒コンバータ(9)と、
前記反応器チャンバ(10)にひいては前記SCR触媒コンバータ(9)へ案内する排気ガス供給ライン(8)と、
前記反応器チャンバ(10)からひいては前記SCR触媒コンバータ(9)から離間するように案内する排気ガス排出ライン(11)と、
還元剤、特にアンモニアまたはアンモニア前駆物質を排気ガス内に導入するために前記排気ガス供給ライン(8)に配置された導入装置(16)と、
前記反応器チャンバ(10)または前記SCR触媒コンバータ(9)の上流側で排気ガスを還元剤と混合するために、前記導入装置(16)の下流側において前記排気ガス供給ライン(8)によって設けられた混合セクション(18)と、
を備え、
前記反応器チャンバ(10)内には、前記SCR触媒コンバータ(9)をパージするように機能する少なくとも1つの吹付装置(24)が位置することを特徴とする排気ガス後処理システム。 - 前記吹付装置(24)が、当該吹付装置が前記SCR触媒コンバータ(9)のうち横方向に、特に流動方向に対して垂直に延在する渦流または旋回流を引き起こすような態様で、方向付けられていることを特徴とする請求項1に記載の排気ガス後処理システム。
- 前記吹付装置(24)が、当該吹付装置が前記SCR触媒コンバータ(9)のハニカム体(27)のうち横方向に、特に流動方向に対して垂直に延在する上流側面に渦流または旋回流を引き起こすような態様で、方向付けられていることを特徴とする請求項2に記載の排気ガス後処理システム。
- 前記反応器チャンバ(10)が、横断面で丸い、特に円状壁である壁(19)を有することを特徴とする請求項1から3のいずれか1項に記載の排気ガス後処理システム。
- 前記吹付装置(24)が、前記反応器チャンバ(10)のうち横断面で丸い前記壁(19)に隣接して位置しており、前記壁(19)から前記反応器チャンバ(10)の内側へ出る空気、すなわち吹出円錐(26)を吹き付け、
前記吹出円錐が、少なくとも1つの他の吹付装置(24)の吹出円錐(26)と交差していることを特徴とする請求項4に記載の排気ガス後処理システム。 - 前記排気ガス供給ライン(8)が、下流側端部(15)を用いて前記反応器チャンバ(10)内へ開口し、
前記反応器チャンバ(10)内には、前記排気ガス供給ライン(8)の前記下流側端部(15)と前記SCR触媒コンバータ(9)との間において、前記SCR触媒コンバータ(9)の上流側にある排気ガス背圧を増加させるための装置(25)が位置していることを特徴とする請求項1から5のいずれか1項に記載の排気ガス後処理システム。 - 前記吹付装置(24)が、排気ガス背圧を増加させるための前記装置(25)と前記SCR触媒コンバータ(9)との間で前記反応器チャンバ(10)内に位置していることを特徴とする請求項6に記載の排気ガス後処理システム。
- 排気ガス背圧を増加させるための前記装置(25)が、前記SCR触媒コンバータ(9)の自由流動横断面の最大2倍、好ましくは最大1倍、特に好ましくは0.5倍に対応する自由流動横断面を有することを特徴とする請求項6または7に記載の排気ガス後処理システム。
- 流動方向で見たときの排気ガス背圧を増加させるための装置(25)の厚さまたは長さと、流動方向で見たときの前記触媒コンバータ(9)の厚さまたは長さと、の比が、少なくとも1:50、好ましくは少なくとも1:100、特に好ましくは少なくとも1:200であることを特徴とする請求項6から8のいずれか1項に記載の排気ガス後処理システム。
- 流動方向で見たときの排気ガス背圧を増加させるための前記装置(25)と前記SCR触媒コンバータ(9)との間の距離に対応する距離と、流動方向で見たときの前記SCR触媒コンバータ(9)の厚さまたは長さと、の比が、最大2:1、好ましくは最大1:1、最も好ましくは最大1:2であることを特徴とする請求項6から9のいずれか1項に記載の排気ガス後処理システム。
- 内燃機関(1)、特にディーゼル燃料を用いてまたは重油を用いて動作される内燃機関であって、
請求項1から10のいずれか1項に記載の排気ガス後処理システム(3)を有することを特徴とする内燃機関。 - 高圧タービン(6)を備える第1排気ガスターボチャージャ(4)と低圧タービン(7)を備える第2排気ガスターボチャージャ(5)とを有する多段の排気ガス過給システム(2)を備え、
前記排気ガス後処理システム(3)が、前記高圧タービン(6)と前記低圧タービン(7)との間に接続されていることを特徴とする請求項11に記載の内燃機関。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102016003743.1 | 2016-03-31 | ||
DE102016003743.1A DE102016003743A1 (de) | 2016-03-31 | 2016-03-31 | Abgasnachbehandlungssystem und Brennkraftmaschine |
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JP2017187034A true JP2017187034A (ja) | 2017-10-12 |
JP6893814B2 JP6893814B2 (ja) | 2021-06-23 |
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JP2017067167A Active JP6893814B2 (ja) | 2016-03-31 | 2017-03-30 | 排気ガス後処理システム及び内燃機関 |
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JP (1) | JP6893814B2 (ja) |
KR (1) | KR102299818B1 (ja) |
CN (1) | CN107269356B (ja) |
DE (1) | DE102016003743A1 (ja) |
FI (1) | FI20175263A (ja) |
NO (1) | NO20170418A1 (ja) |
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DE102017110685A1 (de) * | 2017-05-17 | 2018-11-22 | Man Diesel & Turbo Se | Abgasnachbehandlungssystem und Brennkraftmaschine |
EP3566765A1 (en) * | 2018-05-07 | 2019-11-13 | Dinex A/S | Compact exhaust mixing system |
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DE102010050413A1 (de) * | 2010-11-04 | 2012-05-10 | Daimler Ag | Kraftfahrzeug-Brennkraftmaschine mit Abgasrückführung |
BR112014027095A2 (pt) * | 2012-05-03 | 2017-06-27 | Scania Cv Ab | sistema de tratamento posterior de exaustão e método pertencente a tal sistema |
DE102012019947A1 (de) * | 2012-10-11 | 2014-04-17 | Man Diesel & Turbo Se | Brennkraftmaschine |
US9719386B2 (en) * | 2013-01-31 | 2017-08-01 | Tenneco Automotive Operating Company Inc. | Multi-lobed soot blower |
GB2523084A (en) * | 2014-02-05 | 2015-08-19 | Gm Global Tech Operations Inc | An exhaust mixing device |
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2016
- 2016-03-31 DE DE102016003743.1A patent/DE102016003743A1/de active Pending
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2017
- 2017-03-16 NO NO20170418A patent/NO20170418A1/en not_active Application Discontinuation
- 2017-03-22 FI FI20175263A patent/FI20175263A/fi not_active IP Right Cessation
- 2017-03-30 JP JP2017067167A patent/JP6893814B2/ja active Active
- 2017-03-31 CN CN201710207730.2A patent/CN107269356B/zh active Active
- 2017-03-31 KR KR1020170041484A patent/KR102299818B1/ko active Active
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JPS6344925A (ja) * | 1986-08-12 | 1988-02-25 | Takuma Co Ltd | 排気ガスの脱硝処理方法 |
JPH05309233A (ja) * | 1992-05-06 | 1993-11-22 | Mitsubishi Heavy Ind Ltd | 触媒脱硝装置 |
JP2002095919A (ja) * | 2000-09-21 | 2002-04-02 | Ishikawajima Harima Heavy Ind Co Ltd | 脱硝装置の目詰り防止装置 |
JP2014163387A (ja) * | 2013-02-22 | 2014-09-08 | Man Diesel & Turbo Se | 内燃機関 |
JP2015190458A (ja) * | 2014-03-31 | 2015-11-02 | 日立造船株式会社 | 排ガスの浄化装置およびその運転方法 |
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KR102299818B1 (ko) | 2021-09-09 |
JP6893814B2 (ja) | 2021-06-23 |
NO20170418A1 (en) | 2017-10-02 |
KR20170113432A (ko) | 2017-10-12 |
CN107269356B (zh) | 2022-04-26 |
FI20175263A7 (fi) | 2017-10-01 |
FI20175263A (fi) | 2017-10-01 |
DE102016003743A1 (de) | 2017-10-05 |
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