JP6797460B2 - 選択的触媒還元システム - Google Patents
選択的触媒還元システム Download PDFInfo
- Publication number
- JP6797460B2 JP6797460B2 JP2019527808A JP2019527808A JP6797460B2 JP 6797460 B2 JP6797460 B2 JP 6797460B2 JP 2019527808 A JP2019527808 A JP 2019527808A JP 2019527808 A JP2019527808 A JP 2019527808A JP 6797460 B2 JP6797460 B2 JP 6797460B2
- Authority
- JP
- Japan
- Prior art keywords
- section
- catalytic reduction
- selective catalytic
- baffle
- fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010531 catalytic reduction reaction Methods 0.000 title claims description 26
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 50
- 239000012530 fluid Substances 0.000 claims description 45
- 239000003054 catalyst Substances 0.000 claims description 30
- 229910021529 ammonia Inorganic materials 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
Classifications
-
- 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
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
-
- 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
-
- 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
-
- 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]
-
- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
-
- 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
- F01N2240/20—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
-
- 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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
-
- 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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
-
- 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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/14—Combinations of different methods of purification absorption or adsorption, and filtering
-
- 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
- F01N2260/14—Exhaust treating devices having provisions not otherwise provided for for modifying or adapting flow area or back-pressure
-
- 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
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
-
- 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
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
- F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
- F01N2510/0682—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having a discontinuous, uneven or partially overlapping coating of catalytic material, e.g. higher amount of material upstream than downstream or vice versa
-
- 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
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
- F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
- F01N2510/0684—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
10:バッフル部材
10a:バッフル部材の第1部分
10b:バッフル部材の第2部分
20:触媒層
30:アンモニア注入グリッド
40:導入部
50:排出部
Claims (5)
- 導入部、排出部、及び触媒層を備える選択的触媒還元(SCR)システムにおいて、
前記触媒層の前端から離隔して位置し、流体の流動断面の少なくとも一方向への拡張による流動偏差を減少させるための複数個のバッフル部材を含み、
前記流体は、前記導入部に流入され、前記バッフル部材を通過し、前記触媒層を経て前記排出部に流れ、
前記導入部における流動断面よりも、前記バッフル部材の位置における流動断面が大きく、
前記それぞれのバッフル部材の断面であって、バッフル部材が延びた方向に垂直な方向への前記断面は、V状であり、
前記バッフル部材はステンレス鋼からなり、
それぞれのバッフル部材は、前記流動断面内の、前記流動断面の拡張方向に垂直な方向にそれぞれ延びる第1部分及び第2部分を含み、前記第1部分の一端部と前記第2部分の一端部は、一体に形成されて、前記それぞれのバッフル部材は、前記流体の導入方向に突出した形状である、選択的触媒還元システム。 - 前記第1部分と前記第2部分とのなす角は、45〜90゜である、請求項1に記載の選択的触媒還元システム。
- 前記第1部分の他端部と前記第2部分の他端部との長さは、30〜200mmであり、前記それぞれのバッフル部材間の間隔は、30〜50mmである、請求項1に記載の選択的触媒還元システム。
- 前記それぞれのバッフル部材間の間隔は、一定である、請求項1に記載の選択的触媒還元システム。
- 前記選択的触媒還元システムは、前記触媒層の前端から離隔して位置したアンモニア注入グリッド(AIG)を含み、前記複数個のバッフル部材は、前記アンモニア注入グリッドの前端に装着可能である、請求項1に記載の選択的触媒還元システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0064194 | 2017-05-24 | ||
KR1020170064194A KR102089126B1 (ko) | 2017-05-24 | 2017-05-24 | 선택적 촉매 환원 시스템 |
PCT/KR2018/000425 WO2018216876A1 (ko) | 2017-05-24 | 2018-01-09 | 선택적 촉매 환원 시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020513494A JP2020513494A (ja) | 2020-05-14 |
JP6797460B2 true JP6797460B2 (ja) | 2020-12-09 |
Family
ID=64395724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019527808A Active JP6797460B2 (ja) | 2017-05-24 | 2018-01-09 | 選択的触媒還元システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US10808591B2 (ja) |
EP (1) | EP3524789B1 (ja) |
JP (1) | JP6797460B2 (ja) |
KR (1) | KR102089126B1 (ja) |
CN (2) | CN113250794B (ja) |
WO (1) | WO2018216876A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111779557A (zh) * | 2020-07-07 | 2020-10-16 | 无锡威孚力达催化净化器有限责任公司 | 一种提高箱式后处理氮氧化合物测点准确性的结构 |
Family Cites Families (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB303997A (en) * | 1927-12-14 | 1929-01-17 | Rover Co Ltd | Improvements in exhaust silencers for internal combustion engines |
EP0078914A1 (en) | 1981-10-27 | 1983-05-18 | D. GOTTLIEB & CO. | Roll-down target for pinball game machine |
JPS59186413U (ja) * | 1983-05-31 | 1984-12-11 | 本田技研工業株式会社 | 自動二輪車用消音器 |
JPS62193254A (ja) | 1986-02-20 | 1987-08-25 | Mitsubishi Metal Corp | 半導体装置用Cu合金極細線 |
SE460221B (sv) | 1986-07-08 | 1989-09-18 | Abb Stal Ab | Saett foer nox-reduktion i mbc-pannor |
JPH0197023U (ja) * | 1987-12-18 | 1989-06-28 | ||
US5304749A (en) | 1991-09-16 | 1994-04-19 | Rodney Crandell | Muffler for internal combustion engine |
DE69727502T2 (de) * | 1996-11-04 | 2004-12-23 | Flowmaster, Inc., Santa Rosa | Schalldämpfer mit trennwänden |
US7281606B2 (en) | 1998-08-18 | 2007-10-16 | Marocco Gregory M | Exhaust sound and emission control systems |
JP4053219B2 (ja) * | 2000-07-28 | 2008-02-27 | バブコック日立株式会社 | 整流構造体を有する排ガス処理装置 |
WO2002102494A1 (de) | 2001-06-18 | 2002-12-27 | Hjs Fahrzeugtechnik Gmbh & Co. | Partikelfilter für abgase von brennkraftmaschinen |
US6905658B2 (en) * | 2001-06-29 | 2005-06-14 | The Babcock & Wilcox Company | Channelized SCR inlet for improved ammonia injection and efficient NOx control |
US7549512B2 (en) * | 2006-02-21 | 2009-06-23 | Elroy Newberry | Muffler for internal combustion engine |
JP2008115796A (ja) | 2006-11-06 | 2008-05-22 | Toyota Motor Corp | 内燃機関の還元剤分散装置 |
DE102006055036B4 (de) | 2006-11-22 | 2023-03-02 | Faurecia Emissions Control Technologies, Germany Gmbh | Mischelement sowie Abgasanlage für eine Verbrennungskraftmaschine |
KR100836416B1 (ko) | 2006-12-06 | 2008-06-09 | 현대자동차주식회사 | 요소수용액 분산장치 |
DE202008001547U1 (de) | 2007-07-24 | 2008-04-10 | Emcon Technologies Germany (Augsburg) Gmbh | Baugruppe zur Einbringung eines Reduktionsmittels in die Abgasleitung einer Abgasanlage einer Verbrennungskraftmaschine |
JP4375465B2 (ja) | 2007-09-14 | 2009-12-02 | トヨタ自動車株式会社 | 排気通路の添加剤分散板構造 |
US8591848B2 (en) * | 2007-11-09 | 2013-11-26 | Fuel Tech, Inc. | Selective catalytic NOx reduction process and control system |
JP4626647B2 (ja) | 2007-12-05 | 2011-02-09 | トヨタ自動車株式会社 | 排気通路の添加剤分散板構造 |
US9095827B2 (en) | 2008-04-21 | 2015-08-04 | Tenneco Automotive Operating Company Inc. | Exhaust gas flow mixer |
US8939638B2 (en) | 2008-04-21 | 2015-01-27 | Tenneco Automotive Operating Company Inc. | Method for mixing an exhaust gas flow |
DE102008028627A1 (de) * | 2008-04-21 | 2009-10-22 | Heinrich Gillet Gmbh | Mischelement |
CN201200864Y (zh) * | 2008-05-16 | 2009-03-04 | 叶力平 | 选择性催化还原脱硝***x形静态混合器 |
US8017084B1 (en) * | 2008-06-11 | 2011-09-13 | Callidus Technologies, L.L.C. | Ammonia injection grid for a selective catalytic reduction system |
US7824636B1 (en) * | 2009-07-24 | 2010-11-02 | General Electric Company | Model-based tuning of ammonia distribution and control for reduced operating cost of selective catalytic reduction |
KR101100851B1 (ko) * | 2009-10-29 | 2012-01-02 | 한국전력기술 주식회사 | 환원제혼합 및 소음감쇄 구조를 갖는 배기가스 탈질시스템 |
US20110174408A1 (en) | 2010-01-21 | 2011-07-21 | Fluid Components International Llc | Flow mixer and conditioner |
DE102010051655A1 (de) | 2010-11-17 | 2012-05-24 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Vorrichtung zur Behandlung von Rußpartikel enthaltendem Abgas |
CN102078767B (zh) * | 2010-12-04 | 2013-01-09 | 上海交通大学 | 用于选择性催化还原脱硝装置的v形混合格栅 |
KR101198968B1 (ko) * | 2011-03-02 | 2012-11-07 | 주식회사 파나시아 | 소음감쇄 구조를 갖는 배기가스 탈질시스템 |
CN102423630B (zh) * | 2011-08-30 | 2012-10-03 | 湖南麓南脱硫脱硝科技有限公司 | 用于选择性催化还原脱硝***的静态混合器 |
CN202199267U (zh) * | 2011-08-30 | 2012-04-25 | 湖南麓南脱硫脱硝科技有限公司 | 用于选择性催化还原脱硝***的静态混合器 |
CN102536399A (zh) * | 2011-12-31 | 2012-07-04 | 杭州银轮科技有限公司 | 一种用于柴油机尾气后处理的scr催化转化器 |
DE102012000597A1 (de) * | 2012-01-14 | 2013-07-18 | Daimler Ag | Abgassystem einer Brennkraftmaschine und Verfahren zur Aufbereitung eines in Brennkraftmaschinenabgas eingebrachten Reduktionsmittels |
US9737907B2 (en) * | 2012-09-28 | 2017-08-22 | Faurecia Emissions Control Technologies Usa, Llc | Anti-deposit forming surface finish for exhaust system mixer |
US20150064083A1 (en) * | 2013-08-28 | 2015-03-05 | Alstom Technology Ltd | Injector grid for high and low dust environment selective catalytic reduction systems |
US9482132B2 (en) * | 2013-11-07 | 2016-11-01 | Cummins Emission Solutions, Inc. | Gaseous reductant delivery devices and systems |
US9616383B2 (en) * | 2014-02-06 | 2017-04-11 | Johnson Matthey Catalysts (Germany) Gmbh | Compact selective catalytic reduction system for nitrogen oxide reduction in the oxygen-rich exhaust of 500 to 4500 kW internal combustion engines |
EP3137745B1 (en) * | 2014-03-11 | 2018-11-28 | Johnson Matthey Catalysts (Germany) GmbH | Compact selective catalytic reduction system for nitrogen oxide reduction in the oxygen-rich exhaust of 500 to 4500 kw internal combustion engines |
DE102015204296A1 (de) * | 2014-03-11 | 2015-09-17 | Johnson Matthey Catalysts (Germany) Gmbh | Kompaktes zylindrisches SCR-System zur Reduktion von Stickstoffoxiden im sauerstoffreichen Abgas von Verbrennungsmotoren mit 500 bis 4500 kW |
CN103831016B (zh) * | 2014-03-18 | 2015-07-22 | 华中科技大学 | 一种w火焰锅炉scr***脱硝运行优化方法 |
KR20160010998A (ko) * | 2014-07-21 | 2016-01-29 | 주식회사 디오텍 | 전처리 온라인 필기 데이터 교정 방법 및 장치 |
AT516102B1 (de) * | 2014-08-14 | 2017-09-15 | MAN Truck & Bus Österreich AG | Abgasreinigungsvorrichtung für ein Fahrzeug, insbesondere für ein Nutzfahrzeug |
WO2016039720A1 (en) * | 2014-09-08 | 2016-03-17 | Cummins, Inc. | Exhaust gas mixer device |
KR101685147B1 (ko) | 2014-10-17 | 2016-12-21 | 건국대학교 산학협력단 | 분진 여과장치 |
KR102182935B1 (ko) | 2015-03-13 | 2020-11-25 | 현대중공업 주식회사 | 저압 scr 시스템 |
US10100700B2 (en) * | 2015-06-29 | 2018-10-16 | Tenneco Automotive Operating Company Inc. | Cantilevered flow distributing apparatus |
KR101697989B1 (ko) | 2015-06-29 | 2017-02-01 | 재단법인한국조선해양기자재연구원 | 선박용 선택적 환원촉매 시스템에서의 믹싱 유닛 |
KR101812723B1 (ko) | 2015-12-01 | 2017-12-27 | 김예린 | 실리콘 마스크 및 이의 제조방법 |
CN205714375U (zh) * | 2016-06-23 | 2016-11-23 | 四川帝华汽车科技股份有限公司 | 用于柴油汽车选择性催化还原scr***的混合器 |
CN205779177U (zh) * | 2016-07-04 | 2016-12-07 | 天纳克(苏州)排放***有限公司 | 混合组件 |
-
2017
- 2017-05-24 KR KR1020170064194A patent/KR102089126B1/ko active IP Right Grant
-
2018
- 2018-01-09 EP EP18805338.3A patent/EP3524789B1/en active Active
- 2018-01-09 US US16/461,541 patent/US10808591B2/en active Active
- 2018-01-09 CN CN202110533908.9A patent/CN113250794B/zh active Active
- 2018-01-09 CN CN201880004736.2A patent/CN110023605B/zh active Active
- 2018-01-09 JP JP2019527808A patent/JP6797460B2/ja active Active
- 2018-01-09 WO PCT/KR2018/000425 patent/WO2018216876A1/ko unknown
Also Published As
Publication number | Publication date |
---|---|
CN113250794B (zh) | 2023-03-14 |
EP3524789B1 (en) | 2022-04-06 |
KR102089126B1 (ko) | 2020-03-13 |
CN113250794A (zh) | 2021-08-13 |
CN110023605B (zh) | 2021-06-01 |
EP3524789A1 (en) | 2019-08-14 |
EP3524789A4 (en) | 2019-10-02 |
WO2018216876A1 (ko) | 2018-11-29 |
US10808591B2 (en) | 2020-10-20 |
US20190353072A1 (en) | 2019-11-21 |
JP2020513494A (ja) | 2020-05-14 |
CN110023605A (zh) | 2019-07-16 |
KR20180128720A (ko) | 2018-12-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2342434B1 (en) | Mixing device in an exhaust gas pipe | |
KR19990088142A (ko) | 통로를지나가는가스흐름을혼합하는장치 | |
CN104797325B (zh) | 排气净化装置 | |
US10358967B2 (en) | Exhaust gas reduction unit for internal combustion engine | |
EP1681089B1 (en) | Fluid mixing apparatus with injection lance | |
US10232328B2 (en) | Gas mixing arrangement | |
CN105705741B (zh) | 排气净化装置 | |
JP6306306B2 (ja) | 拡散板及びその製造方法 | |
JP6797460B2 (ja) | 選択的触媒還元システム | |
US8517599B2 (en) | Method and apparatus for mixing a gaseous fluid with a large gas stream, especially for introducing a reducing agent into a flue gas that contains nitrogen oxides | |
US20150198073A1 (en) | Exhaust aftertreatment system with in-elbow reductant injection | |
JP6154185B2 (ja) | 排気攪拌装置 | |
JP6739824B2 (ja) | 流体の流動偏差を改善するためのバッフル装置 | |
WO2017126120A1 (ja) | 拡散板 | |
JP2019076885A (ja) | 脱硝装置 | |
EP3628395B1 (en) | Dinitrifcation apparatus for coal fired boiler | |
JPH0663358A (ja) | 脱硝反応器 | |
KR20230174473A (ko) | 유동 균일화를 위한 가이드 베인이 구비된 배기가스 저감장치 | |
WO2019077910A1 (ja) | 脱硝装置 | |
WO2017208406A1 (ja) | 排気管 | |
CN111818987A (zh) | 扩散器组件和包括其的催化反应器 | |
JP2009030512A (ja) | 流送通路断面積増加装置に付設されるコア部材及びコア部材を備えた流送通路断面積増加装置 | |
JP2018071353A (ja) | 内燃機関の排気系構造 | |
JPH0532715U (ja) | 触媒式排気ガス浄化装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190523 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200629 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200910 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20201019 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20201112 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6797460 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |