JP2012522158A - 還元剤を排気ガスシステムに供給するための方法および対応する排気ガスシステム - Google Patents
還元剤を排気ガスシステムに供給するための方法および対応する排気ガスシステム Download PDFInfo
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- reducing agent
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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
- B01D53/9495—Controlling the catalytic process
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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
-
- 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
-
- 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
- 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
- F01N2240/40—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 hydrolysis catalyst
-
- 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
-
- 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
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
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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
- 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
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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
- 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
- F01N2900/1402—Exhaust gas composition
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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
- 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
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1602—Temperature of exhaust gas apparatus
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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
- 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
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1622—Catalyst reducing agent absorption capacity or consumption amount
-
- 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
- F01N2900/1806—Properties of reducing agent or dosing system
- F01N2900/1812—Flow rate
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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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
Abstract
【選択図】図1
Description
a)供給時間を設定する工程と、
b)少なくとも1つの排気ガスのパラメータまたは還元剤の量を測定する工程と、
c)少なくとも前記排気ガスのパラメータまたは前記還元剤の量に応じて前記還元剤の供給状態を規定する工程であって、前記供給状態は少なくとも凝集または化学成分の状態である、工程と、
d)前記供給状態が保存された状態に対応していない場合、前記還元剤を処理する工程と、
e)前記供給状態で前記還元剤を前記排気システム(19)に供給する工程と、
を有し、工程a)〜e)が複数回反復される。
a)接触加熱器または
b)加水分解触媒コンバータ
のうちの少なくとも1つを有して形成される、排気システムもまた提案される。
2 自動車
3 還元剤タンク
4 接続ライン
5 ポンプ
6 排気ライン
7 触媒コンバータ
8 第1の供給部
9 第2の供給部
10 SCR触媒コンバータ
11 排気ガス流
12 制御器
13 調節可能な流れ偏向器
14 内燃エンジン
15 電熱器
16 小液滴の噴流
17 噴霧噴流
18 構造
19 排気システム
20 第1の流路
21 第2の流路
22 注入ノズル
23 センサ
24 壁
25 接触加熱器
26 加水分解触媒コンバータ
27 チタン層
28 熱伝導層
Claims (11)
- 保存された還元剤を内燃エンジン(14)の排気システム(19)に供給するための方法であって、少なくとも以下の工程:
a)供給時間を設定する工程と、
b)少なくとも1つの排気ガスのパラメータまたは還元剤の量を測定する工程と、
c)少なくとも前記排気ガスのパラメータまたは前記還元剤の量に応じて前記還元剤の供給状態を規定する工程であって、前記供給状態は凝集および/または化学成分の状態である、工程と、
d)前記供給状態が保存された状態に対応していない場合、前記還元剤を処理する工程と、
e)前記供給状態で前記還元剤を前記排気システム(19)に供給する工程と、
を有し、工程a)〜e)が複数回反復される、方法。 - 工程b)において、排気ガス温度が排気ガスのパラメータとして測定される、請求項1に記載の方法。
- 工程e)において、前記還元剤は、低い排気ガス温度において気体形態で供給され、高い排気ガス温度において液体形態で供給される、請求項2に記載の方法。
- 工程c)において、供給が気体形態で行われるべきであると決定された場合、工程d)において、液体還元剤の排気ガスの外部での蒸発が行われる、請求項1〜3のいずれか一項に記載の方法。
- 前記液体還元剤の排気ガスの外部での蒸発は、電気エネルギーによって行われる、請求項4に記載の方法。
- 前記還元剤は、最大10mlまでの量の場合、気体形態で供給され、それより多い量の場合、液体形態で供給される、請求項1〜3のいずれか一項に記載の方法。
- 少なくとも1つの還元剤タンク(3)と、排気ライン(6)と、前記還元剤タンク(3)から前記排気ライン(6)までの少なくとも1つの接続ライン(4)とを有し、前記少なくとも1つの接続ライン(4)は、還元剤のための少なくとも1つの第1の流路(20)および少なくとも1つの第2の流路(21)を形成し、前記第1の流路(20)または前記第2の流路(21)のみが、以下の構成要素:
a)接触加熱器(25)または
b)加水分解触媒コンバータ(26)
のうちの少なくとも1つを有して形成される、排気システム(19)。 - 接触加熱器(25)と加水分解触媒コンバータ(26)との組み合わせが提供され、少なくとも1つの蒸発器部分(1)が、好ましくはチタン層(27)で内側が覆われ、少なくとも1つの電熱器(15)を備えて、提供される、請求項7に記載の排気システム(19)。
- 少なくとも1つの注入ノズル(22)が、前記排気システム(19)内に液体形態で還元剤を供給するように設計され、前記注入ノズル(22)は前記還元剤を微細に霧化するのに適している、請求項7または8に記載の排気システム(19)。
- 調節可能な流れ偏向器(13)が、前記少なくとも1つの接続ライン(4)に設けられ、前記流れ偏向器(13)によって、前記第1の流路(20)または前記第2の流路(21)が選択的に作動され得る、請求項7〜9のいずれか一項に記載の排気システム(19)。
- 請求項1〜6のいずれか一項に記載の方法を実施するように設定された排気システム(19)または請求項7〜10のいずれか一項に記載の排気システム(19)を有する自動車(2)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102009015419A DE102009015419A1 (de) | 2009-03-27 | 2009-03-27 | Verfahren zur Zufuhr von Reduktionsmittel in ein Abgassystem und entsprechendes Abgassystem |
DE102009015419.1 | 2009-03-27 | ||
PCT/EP2010/052314 WO2010108748A1 (de) | 2009-03-27 | 2010-02-24 | Verfahren zur zufuhr von reduktionsmittel in ein abgassystem und entsprechendes abgassystem |
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JP2012522158A true JP2012522158A (ja) | 2012-09-20 |
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JP2012501216A Pending JP2012522158A (ja) | 2009-03-27 | 2010-02-24 | 還元剤を排気ガスシステムに供給するための方法および対応する排気ガスシステム |
Country Status (8)
Country | Link |
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US (2) | US8470274B2 (ja) |
EP (1) | EP2411636B1 (ja) |
JP (1) | JP2012522158A (ja) |
KR (1) | KR101319232B1 (ja) |
CN (1) | CN102365435B (ja) |
DE (1) | DE102009015419A1 (ja) |
RU (1) | RU2531836C2 (ja) |
WO (1) | WO2010108748A1 (ja) |
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JP2013130073A (ja) * | 2011-12-20 | 2013-07-04 | Mitsubishi Motors Corp | 内燃機関の排ガス浄化装置及び浄化方法 |
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US9375682B2 (en) | 2016-06-28 |
EP2411636B1 (de) | 2015-01-21 |
US8470274B2 (en) | 2013-06-25 |
RU2531836C2 (ru) | 2014-10-27 |
EP2411636A1 (de) | 2012-02-01 |
CN102365435A (zh) | 2012-02-29 |
US20130259751A1 (en) | 2013-10-03 |
DE102009015419A1 (de) | 2010-09-30 |
WO2010108748A1 (de) | 2010-09-30 |
KR101319232B1 (ko) | 2013-10-16 |
KR20110136872A (ko) | 2011-12-21 |
CN102365435B (zh) | 2014-01-15 |
US20120039779A1 (en) | 2012-02-16 |
RU2011142814A (ru) | 2013-05-10 |
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