CN112752898A - 喷嘴安装组件及后处理*** - Google Patents

喷嘴安装组件及后处理*** Download PDF

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Publication number
CN112752898A
CN112752898A CN201880094806.8A CN201880094806A CN112752898A CN 112752898 A CN112752898 A CN 112752898A CN 201880094806 A CN201880094806 A CN 201880094806A CN 112752898 A CN112752898 A CN 112752898A
Authority
CN
China
Prior art keywords
nozzle
mounting assembly
heat
aftertreatment
hole
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.)
Pending
Application number
CN201880094806.8A
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English (en)
Inventor
刘兴龙
闫娟
王奉双
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weichai Power Co Ltd
Weichai Power Emission Solutions Technology Co Ltd
Original Assignee
Weichai Power Co Ltd
Weichai Power Emission Solutions Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Weichai Power Co Ltd, Weichai Power Emission Solutions Technology Co Ltd filed Critical Weichai Power Co Ltd
Publication of CN112752898A publication Critical patent/CN112752898A/zh
Pending legal-status Critical Current

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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
    • F01N3/18—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
    • F01N3/24—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

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  • 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)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Silencers (AREA)

Abstract

一种喷嘴安装组件，包括喷嘴座(4)，喷嘴座(4)上开设有用于密封穿过尿素喷嘴(3)的喷孔端的喷嘴通孔，还包括用于内嵌连接于后处理箱体(1)的壳体中的隔热罩(2)，隔热罩(2)由至少两层隔热板组成，相邻两层隔热板之间存在隔热间隙，喷嘴座(4)密封安装在隔热罩(2)上，且喷嘴通孔与后处理箱体(1)的内部连通；还公开了一种后处理***。喷嘴安装组件和后处理***使得后处理箱体内的排气气流的热量被隔热罩阻隔，减少了热量热辐射传递到喷嘴上，从而避免了喷嘴在使用过程中受到高温发生变形损坏。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN201880094806.8A 2018-09-30 2018-09-30 喷嘴安装组件及后处理*** Pending CN112752898A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/108939 WO2020062206A1 (zh) 2018-09-30 2018-09-30 喷嘴安装组件及后处理***

Publications (1)

Publication Number Publication Date
CN112752898A true CN112752898A (zh) 2021-05-04

Family

ID=69952728

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880094806.8A Pending CN112752898A (zh) 2018-09-30 2018-09-30 喷嘴安装组件及后处理***

Country Status (4)

Country Link
CN (1) CN112752898A (zh)
MX (1) MX2021001593A (zh)
UA (1) UA127461C2 (zh)
WO (1) WO2020062206A1 (zh)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080105237A1 (en) * 2006-11-03 2008-05-08 Pratt & Whitney Canada Corp. Fuel nozzle flange with reduced heat transfer
CN101796274A (zh) * 2007-09-04 2010-08-04 日野自动车株式会社 喷射器的安装结构
US20130164181A1 (en) * 2011-12-27 2013-06-27 Tadashi Iijima Reducing agent aqueous solution mixing device and exhaust gas post-treatment device
CN104066942A (zh) * 2013-01-17 2014-09-24 株式会社小松制作所 还原剂水溶液混合装置及具备它的废气后处理装置
US20150135683A1 (en) * 2012-06-01 2015-05-21 Daimler Ag System for Adding and Processing Reducing Agent in a Motor Vehicle
CN106194343A (zh) * 2015-05-26 2016-12-07 神钢建机株式会社 还原剂喷射器用垫片以及废气后处理装置
JP2017044074A (ja) * 2015-08-24 2017-03-02 株式会社日本自動車部品総合研究所 断熱部材

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112012019877A2 (pt) * 2010-02-10 2016-04-26 Tenneco Automotive Operating injetor de fluxo em redemoinho por pressão com variabilidade de fluxo reduzido e fluxo de retorno
CN101988412A (zh) * 2010-11-12 2011-03-23 无锡市凯龙汽车设备制造有限公司 柴油机scr喷射头
CN201874647U (zh) * 2010-11-12 2011-06-22 无锡市凯龙汽车设备制造有限公司 柴油机scr喷射头
CN203347897U (zh) * 2013-06-18 2013-12-18 潍柴动力股份有限公司 一种scr尿素喷嘴
CN205400862U (zh) * 2016-02-22 2016-07-27 天纳克（苏州）排放***有限公司 喷嘴组件

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080105237A1 (en) * 2006-11-03 2008-05-08 Pratt & Whitney Canada Corp. Fuel nozzle flange with reduced heat transfer
CN101796274A (zh) * 2007-09-04 2010-08-04 日野自动车株式会社 喷射器的安装结构
US20130164181A1 (en) * 2011-12-27 2013-06-27 Tadashi Iijima Reducing agent aqueous solution mixing device and exhaust gas post-treatment device
US20150135683A1 (en) * 2012-06-01 2015-05-21 Daimler Ag System for Adding and Processing Reducing Agent in a Motor Vehicle
CN104066942A (zh) * 2013-01-17 2014-09-24 株式会社小松制作所 还原剂水溶液混合装置及具备它的废气后处理装置
CN106194343A (zh) * 2015-05-26 2016-12-07 神钢建机株式会社 还原剂喷射器用垫片以及废气后处理装置
JP2017044074A (ja) * 2015-08-24 2017-03-02 株式会社日本自動車部品総合研究所 断熱部材

Also Published As

Publication number Publication date
MX2021001593A (es) 2021-05-12
WO2020062206A1 (zh) 2020-04-02
UA127461C2 (uk) 2023-08-30

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Application publication date: 20210504

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