KR101163426B1 - 환원제를 포함하는 가스 유동을 제공하는 방법 및 장치 - Google Patents
환원제를 포함하는 가스 유동을 제공하는 방법 및 장치 Download PDFInfo
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- KR101163426B1 KR101163426B1 KR1020097008988A KR20097008988A KR101163426B1 KR 101163426 B1 KR101163426 B1 KR 101163426B1 KR 1020097008988 A KR1020097008988 A KR 1020097008988A KR 20097008988 A KR20097008988 A KR 20097008988A KR 101163426 B1 KR101163426 B1 KR 101163426B1
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- reducing agent
- zone
- gas flow
- agent precursor
- internal combustion
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 135
- 239000002243 precursor Substances 0.000 claims abstract description 80
- 230000007062 hydrolysis Effects 0.000 claims abstract description 34
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000002485 combustion reaction Methods 0.000 claims abstract description 22
- 238000001704 evaporation Methods 0.000 claims abstract description 18
- 230000003197 catalytic effect Effects 0.000 claims description 27
- 230000008020 evaporation Effects 0.000 claims description 15
- 239000004202 carbamide Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 2
- 150000003672 ureas Chemical class 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 abstract description 6
- 230000008092 positive effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 50
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 30
- 239000007787 solid Substances 0.000 description 21
- 239000000243 solution Substances 0.000 description 20
- 239000002470 thermal conductor Substances 0.000 description 16
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 11
- 238000000576 coating method Methods 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 238000010531 catalytic reduction reaction Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000000197 pyrolysis Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VPKDCDLSJZCGKE-UHFFFAOYSA-N methanediimine Chemical compound N=C=N VPKDCDLSJZCGKE-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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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
-
- 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]
-
- 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
-
- 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
- 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
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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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Biomedical Technology (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)
- Treating Waste Gases (AREA)
Abstract
Description
Claims (12)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- ⅰ) 가스 유동 (13) 을 형성하기 위해 환원제 전구체의 부분적인 또는 전체적인 증발을 위한 하나 이상의 제 1 구역 (7) 및 가스 유동 (13) 을 부분적으로 또는 전체적으로 가열하기 위한 하나 이상의 제 2 구역 (8) (상기 제 1 구역 (7) 과 상기 제 2 구역 (8) 은 서로 분할되어 있음) 을 포함하는 하나 이상의 덕트 (2) 에 일종 이상의 환원제 전구체를 수중 우레아 용액의 형태로 제공하기 위한 운반 수단 (19, 27, 29),ⅱ) 가스 유동의 환원제 전구체를 하나 이상의 환원제로 전환하기 위한 하나 이상의 수단 (22), 및ⅲ) 제 1 구역을 최대 180℃ 의 제 1 온도까지 2단계 방식으로 가열하고 제 2 구역을 250℃ ~ 550℃ 의 제 2 온도까지 가열하기 위한 하나 이상의 가열 요소 (4) 를 포함하는, 내연기관의 배기가스에 환원제를 포함하는 가스 유동 (24) 을 제공하기 위한 장치 (1).
- 제 7 항에 있어서, 상기 운반 수단은a) 유체로 일종 이상의 환원제 전구체 용액을 운반하기 위한 수단 (19)을 포함하는, 내연기관의 배기가스에 환원제를 포함하는 가스 유동 (24) 을 제공하기 위한 장치 (1).
- 제 7 항 또는 제 8 항에 있어서, 환원제 전구체를 전환하기 위한 수단은 부분적으로 또는 전체적으로 제 2 구역 (8) 에 포함되는, 내연기관의 배기가스에 환원제를 포함하는 가스 유동 (24) 을 제공하기 위한 장치 (1).
- 제 7 항 또는 제 8 항에 있어서, 하나 이상의 가수분해 촉매 컨버터 (22) 가 형성되는, 내연기관의 배기가스에 환원제를 포함하는 가스 유동 (24) 을 제공하기 위한 장치 (1).
- 제 7 항 또는 제 8 항에 있어서,a) 제 1 구역 (7), 및b) 제 2 구역 (8) 중 하나 이상은 가열식 덕트 (2) 를 포함하는, 내연기관의 배기가스에 환원제를 포함하는 가스 유동 (24) 을 제공하기 위한 장치 (1).
- 제 11 항에 있어서, 상기 덕트 (2) 는 제 2 구역 (8) 의 영역보다 제 1 구역 (7) 의 영역에서 더 작은 단면을 갖는, 내연기관의 배기가스에 환원제를 포함하는 가스 유동 (24) 을 제공하기 위한 장치 (1).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006047019A DE102006047019A1 (de) | 2006-10-02 | 2006-10-02 | Verfahren und Vorrichtung zur Bereitstellung eines ein Reduktionsmittel umfassenden Gasstroms |
DE102006047019.2 | 2006-10-02 | ||
PCT/EP2007/059783 WO2008040631A1 (de) | 2006-10-02 | 2007-09-17 | Verfahren und vorrichtung zur bereitstellung eines ein reduktionsmittel umfassenden gasstroms |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090080059A KR20090080059A (ko) | 2009-07-23 |
KR101163426B1 true KR101163426B1 (ko) | 2012-07-13 |
Family
ID=38823555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020097008988A Active KR101163426B1 (ko) | 2006-10-02 | 2007-09-17 | 환원제를 포함하는 가스 유동을 제공하는 방법 및 장치 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8615985B2 (ko) |
EP (1) | EP2057360B1 (ko) |
JP (1) | JP5237289B2 (ko) |
KR (1) | KR101163426B1 (ko) |
CN (1) | CN101523021B (ko) |
DE (1) | DE102006047019A1 (ko) |
ES (1) | ES2381133T3 (ko) |
PL (1) | PL2057360T3 (ko) |
RU (1) | RU2455502C2 (ko) |
WO (1) | WO2008040631A1 (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8146343B2 (en) * | 2007-08-08 | 2012-04-03 | Ford Global Technologies, Llc | Approach for injecting a reductant |
DE102008022517A1 (de) * | 2008-05-07 | 2009-11-12 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Vorrichtung zur Bereitstellung von Reduktionsmittellösung in ein Abgassystem und entsprechendes Abgassystem |
DE102008051168A1 (de) | 2008-10-10 | 2010-04-15 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zum Betreiben einer Verdampfungseinheit zur Erzeugung gasförmigen Ammoniaks |
WO2011080782A1 (en) * | 2009-12-30 | 2011-07-07 | Hysytech S.R.L. | Method and device for preparing a homogeneous gaseous mixture starting from a flow of gas and from a flow of liquid |
DE102010007013A1 (de) * | 2010-02-05 | 2011-08-11 | J. Eberspächer GmbH & Co. KG, 73730 | Abgasanlage |
US20120102922A1 (en) * | 2010-10-29 | 2012-05-03 | Gm Global Technology Operations, Inc. | Method of sizing a heating core of an exhaust heater for an exhaust treatment system of a vehicle |
CN103348104B (zh) | 2011-03-18 | 2015-12-23 | 日野自动车株式会社 | 尿素水重整器及使用了尿素水重整器的废气净化装置 |
CN103511041A (zh) * | 2013-10-17 | 2014-01-15 | 刘观柏 | 一种用于发动机scr的碳酸氢铵湿法制氨及计量喷射系统 |
US9644515B2 (en) * | 2015-03-24 | 2017-05-09 | Cummins Emission Solutions, Inc. | Gaseous ammonia injection system |
JP6532433B2 (ja) * | 2016-08-02 | 2019-06-19 | 株式会社タクマ | 尿素加水分解装置の運転方法 |
FR3063305B1 (fr) | 2017-02-24 | 2021-06-04 | Lab Sa | Dispositif et procede de nettoyage d'un equipement de depollution de fumees, en particulier d'un catalyseur de denitrification ou d'un echangeur de chaleur |
DE102019006499A1 (de) * | 2019-09-16 | 2021-03-18 | Albonair Gmbh | Beheizte Einpritzdüse |
US11193413B2 (en) | 2019-12-12 | 2021-12-07 | Faurecia Emissions Control Technologies, Usa, Llc | Exhaust aftertreatment system with virtual temperature determination and control |
US11319853B2 (en) | 2020-03-31 | 2022-05-03 | Faurecia Emissions Control Technologies, Usa, Llc | Automotive exhaust aftertreatment system with doser |
US11022014B1 (en) | 2020-04-28 | 2021-06-01 | Faurecia Emissions Control Technologies, Usa, Llc | Exhaust aftertreatment system with heated flash-boiling doser |
US11092054B1 (en) | 2020-04-29 | 2021-08-17 | Faurecia Emissions Control Technologies, Usa, Llc | Flash-boiling doser with thermal transfer helix |
US11511239B2 (en) | 2020-04-29 | 2022-11-29 | Faurecia Emissions Control Technologies, Usa, Llc | Heated flash-boiling doser with integrated helix |
US11384667B2 (en) | 2020-05-29 | 2022-07-12 | Faurecia Emissions Control Technologies, Usa, Llc | Exhaust aftertreatment system with heated dosing control |
US11225894B1 (en) | 2020-06-30 | 2022-01-18 | Faurecia Emissions Control Technologies, Usa, Llc | Exhaust aftertreatment system with thermally controlled reagent doser |
DE102020004766A1 (de) * | 2020-08-06 | 2022-02-10 | Albonair Gmbh | Beheizte Einspritzdüse zur Reduktionsmittelaufbereitung und Reduktionsmitteldosiersytem |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040040288A1 (en) * | 2002-02-14 | 2004-03-04 | Eberhard Jacob | Method and apparatus for producing ammonia (NH3) |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4038054A1 (de) * | 1990-11-29 | 1992-06-04 | Man Technologie Gmbh | Verfahren und vorrichtung zur selektiven katalytischen no(pfeil abwaerts)x(pfeil abwaerts)-reduktion in sauerstoffhaltigen abgasen |
JP3100191B2 (ja) * | 1991-09-02 | 2000-10-16 | 三菱重工業株式会社 | 排煙脱硝装置 |
JPH05103951A (ja) * | 1991-10-14 | 1993-04-27 | Ebara Corp | 排ガス脱硝方法及びその装置 |
DE4206024A1 (de) * | 1992-02-27 | 1993-09-02 | Asea Brown Boveri | Verfahren zur reduktion von stickoxyden in abgasen |
JP3267502B2 (ja) * | 1996-03-14 | 2002-03-18 | 株式会社日本自動車部品総合研究所 | 還元剤気化装置 |
US6077491A (en) * | 1997-03-21 | 2000-06-20 | Ec&C Technologies | Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal |
US6361754B1 (en) * | 1997-03-27 | 2002-03-26 | Clean Diesel Technologies, Inc. | Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction |
US6399034B1 (en) * | 1997-05-14 | 2002-06-04 | Hjs Fahrzeugtechnik Gmbh & Co. | Process for reducing nitrogen oxides on SCR catalyst |
JP3826566B2 (ja) * | 1998-05-21 | 2006-09-27 | 株式会社明電舎 | 脱硝装置 |
JP2001303934A (ja) * | 1998-06-23 | 2001-10-31 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP2000026834A (ja) | 1998-07-13 | 2000-01-25 | Hino Motors Ltd | 内燃機関排出ガス浄化用還元剤組成物 |
WO2000030733A1 (en) | 1998-11-23 | 2000-06-02 | Mobil Oil Corporation | Liquid urea exhaust gas treatment additive |
DE19912374C1 (de) * | 1999-03-19 | 2000-03-30 | Hjs Fahrzeugtechnik Gmbh & Co | Konverter für eine Vorrichtung zum Zuführen von Ammoniak in den Abgasstrom eines Verbrennungsmotors sowie Verfahren zum Befüllen eines solchen Konverters |
JP3600509B2 (ja) * | 2000-06-23 | 2004-12-15 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE10154421A1 (de) | 2001-11-06 | 2003-05-22 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Verminderung von Stickoxiden eines Abgases |
DE20119514U1 (de) * | 2001-12-03 | 2002-02-28 | PUREM Abgassysteme GmbH & Co. KG, 58706 Menden | Reduktionsmitteldosiereinrichtung |
JP3869314B2 (ja) * | 2002-03-29 | 2007-01-17 | バブコック日立株式会社 | 排ガス脱硝装置およびこれに用いる尿素気化器 |
DE10219799A1 (de) * | 2002-05-03 | 2003-11-13 | Bosch Gmbh Robert | Verbrennungsvorrichtung mit einer Abgasreinigungsvorrichtung |
DE10251498A1 (de) * | 2002-11-04 | 2004-05-19 | Universität Kaiserslautern | Vorrichtung und Verfahren zur Dosierung und Förderung von trockenem Harnstoff, insbesondere bei der Durchführung des SCR-Verfahrens in Kraftfahrzeugen |
US6895747B2 (en) | 2002-11-21 | 2005-05-24 | Ford Global Technologies, Llc | Diesel aftertreatment systems |
DE20308348U1 (de) | 2003-02-18 | 2004-07-01 | Hjs Fahrzeugtechnik Gmbh & Co. | Vorrichtung zum Zuführen von Ammoniak an einen in den Abgasstrang einer Brennkraftmaschine eingeschalteten Reduktionskatalysator |
DE10308257A1 (de) * | 2003-02-18 | 2004-09-02 | Hjs Fahrzeugtechnik Gmbh & Co. | Vorrichtung zum Zuführen von Ammoniak an einen in den Abgasstrang eines Verbrennungsmotors eingeschalteten Reduktionskatalysator |
JP4309167B2 (ja) * | 2003-04-15 | 2009-08-05 | バブコック日立株式会社 | 尿素を用いた排ガス脱硝方法 |
US6871489B2 (en) * | 2003-04-16 | 2005-03-29 | Arvin Technologies, Inc. | Thermal management of exhaust systems |
DE10342003A1 (de) * | 2003-09-05 | 2005-03-31 | Robert Bosch Gmbh | Vorrichtung zur Aufbereitung einer Reduktionsmittel-Vorprodukt-Lösung zur Abgasnachbehandlung |
DE102004029387B4 (de) * | 2004-06-17 | 2006-12-28 | Roland Bertiller | Zuführvorrichtung zum Zuführen von festen Harnstoffprills oder -pellets an einen Ammoniakgenerator |
DE102004042225B4 (de) * | 2004-09-01 | 2017-08-31 | MAN Truck & Bus Aktiengesellschaft | Vorrichtung und Verfahren zur Erzeugung von Ammoniak aus festen Harnstoff-Pellets |
WO2006087555A1 (en) * | 2005-02-16 | 2006-08-24 | Imi Vision Limited | Exhaust gas treatment |
US8071037B2 (en) * | 2008-06-25 | 2011-12-06 | Cummins Filtration Ip, Inc. | Catalytic devices for converting urea to ammonia |
-
2006
- 2006-10-02 DE DE102006047019A patent/DE102006047019A1/de not_active Withdrawn
-
2007
- 2007-09-17 EP EP07803531A patent/EP2057360B1/de active Active
- 2007-09-17 PL PL07803531T patent/PL2057360T3/pl unknown
- 2007-09-17 ES ES07803531T patent/ES2381133T3/es active Active
- 2007-09-17 KR KR1020097008988A patent/KR101163426B1/ko active Active
- 2007-09-17 CN CN2007800369090A patent/CN101523021B/zh active Active
- 2007-09-17 WO PCT/EP2007/059783 patent/WO2008040631A1/de active Application Filing
- 2007-09-17 RU RU2009116666/06A patent/RU2455502C2/ru active
- 2007-09-17 JP JP2009530833A patent/JP5237289B2/ja active Active
-
2009
- 2009-04-01 US US12/416,364 patent/US8615985B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040040288A1 (en) * | 2002-02-14 | 2004-03-04 | Eberhard Jacob | Method and apparatus for producing ammonia (NH3) |
Also Published As
Publication number | Publication date |
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JP5237289B2 (ja) | 2013-07-17 |
EP2057360A1 (de) | 2009-05-13 |
RU2455502C2 (ru) | 2012-07-10 |
WO2008040631A1 (de) | 2008-04-10 |
US8615985B2 (en) | 2013-12-31 |
RU2009116666A (ru) | 2010-11-27 |
ES2381133T3 (es) | 2012-05-23 |
US20090223211A1 (en) | 2009-09-10 |
CN101523021A (zh) | 2009-09-02 |
CN101523021B (zh) | 2012-11-07 |
JP2010506078A (ja) | 2010-02-25 |
PL2057360T3 (pl) | 2012-06-29 |
EP2057360B1 (de) | 2012-01-25 |
DE102006047019A1 (de) | 2008-04-03 |
KR20090080059A (ko) | 2009-07-23 |
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