JP6282931B2 - ミキシング構造 - Google Patents
ミキシング構造 Download PDFInfo
- Publication number
- JP6282931B2 JP6282931B2 JP2014104195A JP2014104195A JP6282931B2 JP 6282931 B2 JP6282931 B2 JP 6282931B2 JP 2014104195 A JP2014104195 A JP 2014104195A JP 2014104195 A JP2014104195 A JP 2014104195A JP 6282931 B2 JP6282931 B2 JP 6282931B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- flow
- lattice
- injector
- lattice board
- 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.)
- Expired - Fee Related
Links
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
- B01F23/213—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids
- B01F23/2132—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids using nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
- B01F25/3141—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit with additional mixing means other than injector mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4315—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being deformed flat pieces of material
-
- 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
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
- F01N3/2066—Selective catalytic reduction [SCR]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F2025/93—Arrangements, nature or configuration of flow guiding elements
- B01F2025/931—Flow guiding elements surrounding feed openings, e.g. jet nozzles
-
- 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
- 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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
[化1]
(NH2)2CO+H2O→2NH3+CO2
1A 屈曲部(流れ変更部)
3 インジェクタ
4 排気ガス
5 尿素水(添加剤)
7 格子盤
7a 流路
7b フィン
10A 流れ変更部
Claims (1)
- 多数の流路を軸心方向に開通した格子盤を排気系の途中に介装し、その上流側に添加した添加剤を前記格子盤の流路壁に衝突させて気化を促しつつ分散せしめるミキシング構造であって、排気系の途中の排気ガスが曲折して流れる流れ変更部に、該流れ変更部の上流側から向かってくる排気ガスの流入方向と、前記流れ変更部の下流側へ抜け出る排気ガスの流出方向とが成す角度を略二等分するように前記格子盤を傾斜配置し、該格子盤の各流路の出側に排気ガスの流れを流れ変更部からの流出方向へ案内するフィンを設け、前記格子盤の入側に対し前記排気ガスの流出方向に向け添加剤を噴射し得るようにインジェクタを配置し、前記流れ変更部の上流側から向かってくる排気ガスが衝突する前記格子盤の流路壁の裏側に、前記インジェクタからの添加剤の噴霧が衝突するように構成したことを特徴とするミキシング構造。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014104195A JP6282931B2 (ja) | 2014-05-20 | 2014-05-20 | ミキシング構造 |
| PCT/JP2015/063424 WO2015178231A1 (ja) | 2014-05-20 | 2015-05-11 | ミキシング構造 |
| US15/306,286 US10138788B2 (en) | 2014-05-20 | 2015-05-11 | Mixing structure |
| EP15796811.6A EP3168440B1 (en) | 2014-05-20 | 2015-05-11 | Mixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014104195A JP6282931B2 (ja) | 2014-05-20 | 2014-05-20 | ミキシング構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015218687A JP2015218687A (ja) | 2015-12-07 |
| JP6282931B2 true JP6282931B2 (ja) | 2018-02-21 |
Family
ID=54553904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014104195A Expired - Fee Related JP6282931B2 (ja) | 2014-05-20 | 2014-05-20 | ミキシング構造 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10138788B2 (ja) |
| EP (1) | EP3168440B1 (ja) |
| JP (1) | JP6282931B2 (ja) |
| WO (1) | WO2015178231A1 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285852A (zh) * | 2016-10-24 | 2017-01-04 | 广州汽车集团股份有限公司 | 机动车尾气处理装置 |
| JP6746529B2 (ja) * | 2017-03-31 | 2020-08-26 | 日野自動車株式会社 | リアクタ |
| JP6746530B2 (ja) | 2017-03-31 | 2020-08-26 | 日野自動車株式会社 | リアクタ |
| US11224693B2 (en) | 2018-10-10 | 2022-01-18 | Tandem Diabetes Care, Inc. | System and method for switching between medicament delivery control algorithms |
| JP2020084929A (ja) * | 2018-11-29 | 2020-06-04 | いすゞ自動車株式会社 | 混合部材、排気浄化装置および車両 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2906838B1 (fr) | 2006-10-09 | 2013-03-29 | Renault Sas | Ligne d'echappement munie d'un injecteur de carburant et de moyens d'homogeneisation des gaz brules. |
| CN101627190B (zh) * | 2007-03-12 | 2012-05-30 | 博世株式会社 | 内燃机的排气净化装置 |
| DE102007020812B4 (de) * | 2007-05-04 | 2010-01-14 | Audi Ag | Vorrichtung und Verfahren zur Zudosierung von fluiden schadstoffreduzierenden Medien in einen Abgaskanal einer Brennkraftmaschine |
| 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 |
| DE102007051510B4 (de) * | 2007-10-29 | 2021-02-25 | Emcon Technologies Germany (Augsburg) Gmbh | Baugruppe zur Einbringung eines Reduktionsmittels in die Abgasleitung einer Abgasanlage einer Verbrennungskraftmaschine |
| US9095827B2 (en) | 2008-04-21 | 2015-08-04 | Tenneco Automotive Operating Company Inc. | Exhaust gas flow mixer |
| JP5348412B2 (ja) * | 2009-08-06 | 2013-11-20 | 三菱ふそうトラック・バス株式会社 | 内燃機関の排気浄化装置 |
| JP2013002337A (ja) * | 2011-06-15 | 2013-01-07 | Toyota Industries Corp | 排気ガス後処理装置 |
| FR2977912B1 (fr) * | 2011-07-11 | 2013-07-05 | Peugeot Citroen Automobiles Sa | Ensemble coude de post-traitement des gaz d'echappement d'un moteur a combustion comportant un repartiteur d'agent reducteur par impacteur |
| JP2013024075A (ja) * | 2011-07-19 | 2013-02-04 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
| FR2978492B1 (fr) * | 2011-07-28 | 2013-08-02 | Peugeot Citroen Automobiles Sa | Ensemble coude de post-traitement des gaz d'echappement d'un moteur a combustion comportant un convergent interne |
| JP5321667B2 (ja) * | 2011-10-18 | 2013-10-23 | トヨタ自動車株式会社 | 分散板 |
| JP5990025B2 (ja) | 2012-04-12 | 2016-09-07 | 日野自動車株式会社 | ミキシング構造 |
| KR101956731B1 (ko) * | 2012-08-10 | 2019-03-12 | 테네코 오토모티브 오퍼레이팅 컴파니 인코포레이티드 | 배기가스 유동 혼합 방법 |
-
2014
- 2014-05-20 JP JP2014104195A patent/JP6282931B2/ja not_active Expired - Fee Related
-
2015
- 2015-05-11 EP EP15796811.6A patent/EP3168440B1/en not_active Not-in-force
- 2015-05-11 US US15/306,286 patent/US10138788B2/en not_active Expired - Fee Related
- 2015-05-11 WO PCT/JP2015/063424 patent/WO2015178231A1/ja not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015178231A1 (ja) | 2015-11-26 |
| EP3168440A1 (en) | 2017-05-17 |
| EP3168440B1 (en) | 2018-11-21 |
| US20170044957A1 (en) | 2017-02-16 |
| EP3168440A4 (en) | 2018-02-14 |
| US10138788B2 (en) | 2018-11-27 |
| JP2015218687A (ja) | 2015-12-07 |
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