CN2375862Y - 无回火耐用煤粉燃烧炉 - Google Patents

无回火耐用煤粉燃烧炉 Download PDF

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Publication number
CN2375862Y
CN2375862Y CN 99210319 CN99210319U CN2375862Y CN 2375862 Y CN2375862 Y CN 2375862Y CN 99210319 CN99210319 CN 99210319 CN 99210319 U CN99210319 U CN 99210319U CN 2375862 Y CN2375862 Y CN 2375862Y
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fire
furnace
coal
combustion furnace
coal powder
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CN 99210319
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宋茂旺
武杰
魏金跃
刘长永
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Abstract

本实用新型为炉技术领域提供了一种无回火煤粉燃烧炉,它的主要特点是在原有煤粉燃烧炉的基础上加以改进,去掉原有束火口内侧的耐火砖,束火口壁设置在炉壁出风口的外侧,与炉体外壳体固连;在主煤道内与风送煤道的接口部位,设置一个以上的散积风叶。与现有煤粉燃烧炉相比,具有喷火口耐用,不容易发生回火等优点。

Description

无回火耐用煤粉燃烧炉
本实用新型属于炉技术领域,是一种无回火耐用煤粉燃烧炉。
目前,普遍采用的煤粉燃烧炉,缺在两大主要缺点,一是尾部束火口壁设置在炉壁出风口内侧,与火焰直接接触,极易出现烧损,需经常更换喷火口;二是主煤道与风送煤道的接口部位后下方,容易形成一个减压带,煤粉堆积,极易造成回火。
本实用新型的目的是提供一种喷火口耐用,不容易发生回火的煤粉燃烧炉。
本实用新型所采取的技术方案是在原有煤粉燃烧炉的基础上加以改进,去掉原有束火口内侧的耐火砖,束火口壁设置在炉壁出风口的外侧,与炉体外壳体固连;在主煤道内与风送煤道的接口部位,设置一个以上的散积风叶。
由于本实用新型采取了上述技术方案,与现有煤粉燃烧炉相比,具有喷火口耐用,不容易发生回火等优点。
下面结合附图及实例对本实用新型的具体结构特征作一步说明。
图1表示本实用新型的总装结构示意图。
如图1所示,本实用新型具有炉体2,炉体2的后风箱1向外与进风口4连通,向内与环绕炉体2体壁的炉壁风道6连通,炉壁风道6内侧环布有耐火砖11,炉体2的尾部环设有束火口3,束火口3与炉体2外壁固连,设置在炉壁炉壁出风口7的外侧。燃烧炉的主煤道12与炉体内的炉膛5连通,其内部设置有油枪9。主煤道12与风道煤道8连通,其内部设置有一个以上的散积风叶10,散积风叶10改变风道煤道8的风向,使主煤道12内不形成减压死角,无积煤,从而防止回火。

Claims (2)

1、一种无回火耐用煤粉燃烧炉,具有炉体、炉膛、后风箱、进风口、主煤道、风送煤道、油枪、耐火砖和束火口,其特征在于束火口壁设置在炉壁出风口的外侧,与炉体外壳体固连。
2、如权利要求1所述的一种无回火煤粉燃烧炉,其特征在于所述主煤道内,与风送煤道的接口部位设置一个以上的散积风叶。
CN 99210319 1999-05-29 1999-05-29 无回火耐用煤粉燃烧炉 Expired - Fee Related CN2375862Y (zh)

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CN 99210319 CN2375862Y (zh) 1999-05-29 1999-05-29 无回火耐用煤粉燃烧炉

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Application Number Priority Date Filing Date Title
CN 99210319 CN2375862Y (zh) 1999-05-29 1999-05-29 无回火耐用煤粉燃烧炉

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CN2375862Y true CN2375862Y (zh) 2000-04-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100460753C (zh) * 2006-02-06 2009-02-11 总昌机械股份有限公司 粉体燃烧机

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100460753C (zh) * 2006-02-06 2009-02-11 总昌机械股份有限公司 粉体燃烧机

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