EP3249294B1 - Bec de tuyère de brûleur de charbon pulvérisé - Google Patents

Bec de tuyère de brûleur de charbon pulvérisé Download PDF

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Publication number
EP3249294B1
EP3249294B1 EP16204468.9A EP16204468A EP3249294B1 EP 3249294 B1 EP3249294 B1 EP 3249294B1 EP 16204468 A EP16204468 A EP 16204468A EP 3249294 B1 EP3249294 B1 EP 3249294B1
Authority
EP
European Patent Office
Prior art keywords
nozzle tip
tubular body
pulverized coal
inner tubular
passage
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
Application number
EP16204468.9A
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German (de)
English (en)
Other versions
EP3249294A1 (fr
Inventor
Kyoung Taek Oh
Byoung Hwa Lee
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.)
Doosan Heavy Industries and Construction Co Ltd
Original Assignee
Doosan Heavy Industries and Construction Co Ltd
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Publication date
Application filed by Doosan Heavy Industries and Construction Co Ltd filed Critical Doosan Heavy Industries and Construction Co Ltd
Publication of EP3249294A1 publication Critical patent/EP3249294A1/fr
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Publication of EP3249294B1 publication Critical patent/EP3249294B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
    • F23D2201/10—Nozzle tips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
    • F23D2201/20—Fuel flow guiding devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
    • F23D2201/30—Wear protection

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Claims (11)

  1. Bec de tuyère de brûleur de charbon pulvérisé, incluant un corps tubulaire intérieur (100) ayant un premier passage (120) dans lequel du charbon pulvérisé introduit dans le corps tubulaire intérieur (100) s'écoule, un corps tubulaire extérieur (200) installé hors du corps tubulaire intérieur (100) tout en étant espacé de celui-ci, et au moins une plaque-guide (300) installée pour cloisonner le premier passage (120), le bec de tuyère comprenant :
    une pluralité de stabilisateurs de flamme (400) agencés dans une rangée sur le côté supérieur et/ou inférieur dans le corps tubulaire intérieur (100),
    dans lequel chacun des stabilisateurs de flamme (400) a une surface inclinée (1420) formée sur un côté de celui-ci faisant face à une direction dans laquelle le charbon pulvérisé s'écoule dans le premier passage (120), la surface inclinée (1420) étant inclinée en direction d'une partie centrale du corps tubulaire intérieur (100),
    caractérisé en ce que la surface inclinée (1420, 4520) a une forme de quadrant qui est concave en direction de la partie centrale du corps tubulaire intérieur (100) .
  2. Bec de tuyère selon la revendication 1, dans lequel les stabilisateurs de flamme (400) sont agencés sur le côté avant du bec de tuyère.
  3. Bec de tuyère selon la revendication 1 ou 2, dans lequel les stabilisateurs de flamme (400) sont agencés en étant espacés l'un de l'autre avec une distance prédéterminée au stabilisateur de flamme adjacent (400) sur le côté supérieur ou inférieur du corps tubulaire intérieur (100).
  4. Bec de tuyère selon l'une quelconque des revendications précédentes, dans lequel les stabilisateurs de flamme (400) sont agencés dans une rangée à chacun des côtés supérieur et inférieur dans le corps tubulaire intérieur (100).
  5. Bec de tuyère selon l'une quelconque des revendications précédentes, dans lequel la surface inclinée (1420) est formée de telle manière que le premier passage (120) est rétréci dans la direction de circulation du charbon pulvérisé.
  6. Bec de tuyère selon l'une quelconque des revendications précédentes, dans lequel chacun des stabilisateurs de flamme (400) comprend :
    une partie de fixation de stabilisateur de flammes (4400) fixée dans le corps tubulaire intérieur (100) ; et
    un membre résistant à l'usure (4500) couplé de manière séparable à un côté de la partie de fixation de stabilisateur de flammes (4400) faisant face à la direction dans laquelle le charbon pulvérisé circule dans le premier passage (120).
  7. Bec de tuyère selon la revendication 6, dans lequel le membre résistant à l'usure (4500) a la surface inclinée (4520) formée de telle manière que le premier passage (120) est réduit dans la direction dans laquelle le charbon pulvérisé circule dans le premier passage (120).
  8. Bec de tuyère selon l'une quelconque des revendications précédentes, dans lequel le corps tubulaire extérieur (200) forme un second passage (220) avec le corps tubulaire intérieur (100).
  9. Bec de tuyère selon la revendication 8, dans lequel le second passage (220) est dirigé à distance du côté avant du premier passage (120) sur le côté avant du bec de tuyère.
  10. Bec de tuyère selon l'une quelconque des revendications précédentes, dans lequel la plaque-guide (300) est installée horizontalement à l'intérieur du corps tubulaire intérieur (100).
  11. Utilisation d'un bec de tuyère selon l'une quelconque des revendications précédentes dans une installation d'énergie thermique alimentée au charbon.
EP16204468.9A 2016-05-24 2016-12-15 Bec de tuyère de brûleur de charbon pulvérisé Active EP3249294B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160063430A KR101773297B1 (ko) 2016-05-24 2016-05-24 미분탄 버너의 노즐 팁

Publications (2)

Publication Number Publication Date
EP3249294A1 EP3249294A1 (fr) 2017-11-29
EP3249294B1 true EP3249294B1 (fr) 2019-08-14

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ID=57570317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16204468.9A Active EP3249294B1 (fr) 2016-05-24 2016-12-15 Bec de tuyère de brûleur de charbon pulvérisé

Country Status (3)

Country Link
EP (1) EP3249294B1 (fr)
KR (1) KR101773297B1 (fr)
CN (1) CN107420889A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6926009B2 (ja) * 2018-02-01 2021-08-25 三菱パワー株式会社 燃焼バーナ及びボイラ
KR102080564B1 (ko) * 2018-10-02 2020-02-24 두산중공업 주식회사 미분탄 버너의 노즐 팁
JP7086831B2 (ja) * 2018-12-26 2022-06-20 三菱重工業株式会社 燃焼バーナ、ボイラ及び燃焼バーナの組立方法
US20230038688A1 (en) * 2021-08-03 2023-02-09 General Electric Technology Gmbh Pulverized solid fuel nozzle tip assembly with carbon tip portion

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN187412B (fr) * 1992-09-02 2002-04-20 Northern Eng Ind
GB9322016D0 (en) * 1993-10-26 1993-12-15 Rolls Royce Power Eng Improvements in or relating to solid fuel burners
JPH10220707A (ja) * 1997-02-10 1998-08-21 Babcock Hitachi Kk 粉末固体燃料用バーナと該バーナを備えた燃焼装置
JP2007147125A (ja) * 2005-11-25 2007-06-14 Mitsubishi Heavy Ind Ltd ガスタービン燃焼器
CN1920382B (zh) * 2006-09-04 2011-07-20 东方锅炉（集团）股份有限公司 一种旋流粉煤燃烧器
CN201014435Y (zh) * 2007-02-13 2008-01-30 杭州意能节能技术有限公司 一种稳燃齿节能煤粉燃烧器
CN101294705A (zh) * 2007-04-25 2008-10-29 烟台龙源电力技术股份有限公司 一种高效具有点火源的内燃式煤粉燃烧器
CN201344525Y (zh) * 2008-12-30 2009-11-11 上海锅炉厂有限公司 一种快速着火煤粉喷嘴
CN201636853U (zh) * 2010-02-08 2010-11-17 东方锅炉（集团）股份有限公司 耐磨型稳焰齿
KR101232608B1 (ko) * 2010-06-29 2013-02-13 두산중공업 주식회사 석탄 버너의 노즐 팁
CN102913902B (zh) * 2012-11-05 2014-12-10 徐州燃控科技股份有限公司 一种内燃式兼多通道低氮燃烧器
CN204141575U (zh) * 2014-09-25 2015-02-04 武汉理工大学 适用于带涡流室水泥分解炉燃料分级燃烧的煤粉燃烧器喷嘴
CN105465781A (zh) * 2016-01-15 2016-04-06 哈尔滨博深科技发展有限公司 具有周界风的低氮氧化物排放旋流煤粉燃烧器

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Also Published As

Publication number Publication date
CN107420889A (zh) 2017-12-01
KR101773297B1 (ko) 2017-08-30
EP3249294A1 (fr) 2017-11-29

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