CN113423940A - 一种气体混合器 - Google Patents

一种气体混合器 Download PDF

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Publication number
CN113423940A
CN113423940A CN201880099949.8A CN201880099949A CN113423940A CN 113423940 A CN113423940 A CN 113423940A CN 201880099949 A CN201880099949 A CN 201880099949A CN 113423940 A CN113423940 A CN 113423940A
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China
Prior art keywords
gas
egr
injection
core
injection pipe
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CN201880099949.8A
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English (en)
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CN113423940B (zh
Inventor
李卫
潘洁
孙洲律
陈静
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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Publication of CN113423940A publication Critical patent/CN113423940A/zh
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Publication of CN113423940B publication Critical patent/CN113423940B/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/04—Gas-air mixing apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/19—Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system
    • 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
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

一种气体混合器，包括混合器外壳(1)和混合器芯体(2)，混合器芯体(2)包括燃气芯体(21)和EGR芯体(22)，燃气芯体(21)内设置有两个交错布置的燃气喷射管(3)，EGR芯体(22)内设置有四个EGR喷射管(4，5)并形成十字交叉的EGR混合芯。将气体混合器的燃气混合芯结构和EGR混合芯结构均设计为十字交叉的组合形式，从而使得燃气和EGR废气均能够从径向喷射管的多个喷射孔中喷出并充满混合器芯体(2)的截面，进而改善进入混合器芯体的燃气以及EGR废气的均匀程度，兼具较低的压力损失以及较高的工作可靠性，同时，还能够降低混合器的混合效果对下游管路导向的敏感度。

Description

PCT国内申请，说明书已公开。

Claims (18)

  1. PCT国内申请，权利要求书已公开。
CN201880099949.8A 2018-12-29 2018-12-29 一种气体混合器 Active CN113423940B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/125355 WO2020133355A1 (zh) 2018-12-29 2018-12-29 一种气体混合器

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CN113423940A true CN113423940A (zh) 2021-09-21
CN113423940B CN113423940B (zh) 2023-01-24

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CN (1) CN113423940B (zh)
WO (1) WO2020133355A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112282983B (zh) * 2020-10-29 2023-05-12 东风商用车有限公司 天然气发动机用扰流式集成混合器
GB2606773A (en) * 2021-05-21 2022-11-23 Diffusion Tech Limited Fluid introduction system and method
CN113883519B (zh) * 2021-10-14 2023-07-21 江苏圣君纳米科技有限公司 一种玻璃成型火头燃烧用外接气体混合器

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001248500A (ja) * 2000-03-06 2001-09-14 Osaka Gas Co Ltd ガスエンジンの燃料ガス供給構造
CN203822490U (zh) * 2014-04-11 2014-09-10 东风商用车有限公司 一种集成有混合器的天然气发动机气轨总成
CN104405539A (zh) * 2014-10-23 2015-03-11 成都耐尔特科技有限公司 一种混合器
CN204783341U (zh) * 2015-08-10 2015-11-18 广西玉柴机器股份有限公司 混合器
CN205578139U (zh) * 2016-04-14 2016-09-14 潍柴西港新能源动力有限公司 混合器
CN106438115A (zh) * 2016-11-30 2017-02-22 东风商用车有限公司 一种天然气混合器
CN107061060A (zh) * 2017-04-06 2017-08-18 中国第汽车股份有限公司 一种集成式气体混合器
CN108425768A (zh) * 2018-06-04 2018-08-21 广西玉柴机器股份有限公司 集成燃气和egr的混合器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008202542A (ja) * 2007-02-21 2008-09-04 Mitsubishi Heavy Ind Ltd 燃焼器及びロケットエンジン
JP2015151994A (ja) * 2014-02-19 2015-08-24 株式会社Ｉｈｉシバウラ ガスエンジン
CN206681861U (zh) * 2017-04-06 2017-11-28 中国第一汽车股份有限公司 一种集成式气体混合器
CN109099460B (zh) * 2017-06-20 2020-07-17 中国航发商用航空发动机有限责任公司 一种进气面积调节装置和燃烧室
CN208236519U (zh) * 2018-06-04 2018-12-14 广西玉柴机器股份有限公司 集成燃气和egr的混合器

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001248500A (ja) * 2000-03-06 2001-09-14 Osaka Gas Co Ltd ガスエンジンの燃料ガス供給構造
CN203822490U (zh) * 2014-04-11 2014-09-10 东风商用车有限公司 一种集成有混合器的天然气发动机气轨总成
CN104405539A (zh) * 2014-10-23 2015-03-11 成都耐尔特科技有限公司 一种混合器
CN204783341U (zh) * 2015-08-10 2015-11-18 广西玉柴机器股份有限公司 混合器
CN205578139U (zh) * 2016-04-14 2016-09-14 潍柴西港新能源动力有限公司 混合器
CN106438115A (zh) * 2016-11-30 2017-02-22 东风商用车有限公司 一种天然气混合器
CN107061060A (zh) * 2017-04-06 2017-08-18 中国第汽车股份有限公司 一种集成式气体混合器
CN108425768A (zh) * 2018-06-04 2018-08-21 广西玉柴机器股份有限公司 集成燃气和egr的混合器

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CN113423940B (zh) 2023-01-24
WO2020133355A1 (zh) 2020-07-02

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