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CN201193874Y - 燃煤常压热水锅炉 - Google Patents

燃煤常压热水锅炉 Download PDF

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Publication number
CN201193874Y
CN201193874Y CNU2008200096131U CN200820009613U CN201193874Y CN 201193874 Y CN201193874 Y CN 201193874Y CN U2008200096131 U CNU2008200096131 U CN U2008200096131U CN 200820009613 U CN200820009613 U CN 200820009613U CN 201193874 Y CN201193874 Y CN 201193874Y
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combustion chamber
smoke box
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王铣
李志祥
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Hohhot Lantian Environmental Protection Industrial Co., Ltd.
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HOHHOT LANTIAN ENVIRONMENTAL PROTECTION INDUSTRIAL Co Ltd
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Abstract

本实用新型公开了一种燃煤常压热水锅炉,燃烧室由水冷炉排分成上下两部分,将半煤气一次燃烧室置于炉体上方;二次燃烧室置于其下方。二次燃烧室与左烟箱相通,左、右烟箱分别由烟管与上烟箱相通,一、二次燃烧室和左、右烟箱及上烟箱被包在一个外包水套内。燃烧室上方设置有风箱,风箱与一次燃烧室管道接通,风箱和二次燃烧室分别连有气管通向外接鼓风机的配风阀。右烟箱依次外接脱硫除尘器、烟囱、引射器和离心风机。本锅炉烟气经垂直二回程烟管传热面积大,路径长,使排烟温度降低,获得了高效率传热。

Description

燃煤常压热水锅炉
技术领域
本实用新型涉及一种锅炉,特别指一种燃煤常压热水锅炉。
背景技术
目前,各种热水锅炉已有很多,但市场上的燃煤锅炉多数结构不合理、热效率低,达不到国家环保要求。根据目前燃煤锅炉仍有一定市场,研制一种结构合理、可实现高效节能环保达标的新型燃煤常压热水锅炉是有必要的。
实用新型内容
本实用新型要解决的技术问题是提供一种燃煤常压热水锅炉,这种燃煤常压热水锅炉是一种分层燃烧半煤气常压热水锅炉。它采用二次供风、二次燃烧的原理,形成一种相对低温立体倒置分层燃烧,使得燃烧火焰煤气成份相对较高,灰分较少,将碳粒、一氧化碳全部燃尽,实现烟囱排放无黑烟。
本实用新型要解决的技术问题由如下方案来实现:燃煤常压热水锅炉,包括炉排、风机、风箱、风阀、炉门、燃烧室、水套、烟箱、烟管、脱硫除尘器,其特征是:所述燃烧室由水冷炉排分成上下两部分,即一、二次燃烧室,二次燃烧室与左烟箱相通,左、右烟箱分别由烟管与上烟箱相通,一、二次燃烧室和左、右烟箱及上烟箱被包在一个外包水套内,燃烧室上方设置有风箱,风箱与一次燃烧室由上下管道分层接通,风箱和二次燃烧室分别连有气管通向外接鼓风机的配风阀,所述右烟箱依次外接脱硫除尘器、烟囱、引射器和离心风机。
本实用新型还包括如下方案:所述一次燃烧室顶部设置放散。
本发明的优点是:本锅炉没有采用传统立式或卧式水管锅炉及立式火管锅炉的结构。本锅炉采用整体为上方制气下方二次燃烧的反烧原理,及对流区垂直烟管布置结构,将半煤气一次燃烧室置于炉体上方;二次燃烧室置于其下方,并设计安装了一、二次供风配风阀,保证了一、二次燃烧的最佳合理供风量。一次风由燃烧室顶部的均压配风风箱分配给各上下管道进入一次燃烧室半煤气燃烧,形成一种相对低温立体倒置分层燃烧,使燃烧火焰煤气成份相对较高,灰分较少。此火焰进入二次燃烧后经供风配风阀、气管进入二次燃烧室后在二次旋转空气流的搅动作用下,火焰再次充分燃烧,将碳粒、一氧化碳全部燃尽,实现烟囱排放无黑烟。烟气经垂直二回程烟管传热面积大,路径长,使排烟温度降低,获得了高效率传热。
除尘方面,由于本锅炉设计成半煤气反烧,降低了烟气中的含尘量,且灰尘粒度小,二次旋风燃烧有利于灰尘的沉降。当烟气先后进入左右两个烟箱时,我们将烟箱设计成大容积惯性除尘烟箱,烟气在烟箱内流速下降,使微粒灰尘沉降到烟箱底部。烟气进入冲入湿式脱硫除尘器后,烟气从水介质中通过,使烟气中的灰尘、二氧化硫及其他有害成分溶解或生成不溶于水的物质,其沉淀物由底部排出。当燃料含硫量特别高时,可在水中加入适量石灰,其脱硫效果更好。烟气从水中溢出经过水面继续脱硫除尘,直至由鼓风正压将烟气送入烟囱排空。
本锅炉由电脑控制柜自动控制。启动时,按启动键,鼓风机开始鼓风,一、二次燃烧室处于正压燃烧状态,当锅炉水温达到事先设定的温度后,鼓风机自动停止工作,自动启动离心风机,待水温降到事先设定的水温下限时,电脑控制柜又自动控制鼓风机启动,并关闭离心风机,由此周而复始。
本锅炉在运行中需要停炉时,按停止键,自动启动离心风机,通过引射器将锅炉内自然气流引射到大气。若遇到突然停电时,自动打开放散,放散管与引射器上方的烟囱连通,此时炉内的废气由烟囱排空。
附图说明
图1是燃煤常压热水锅炉的主视局剖图
具体实施方式
下面结合附图举一实施例做进一步详细描述:如图1所示,燃煤常压热水锅炉整体构成制气、燃烧、传热、除尘一体化。对流区烟箱、烟管为垂直布置结构。燃烧室由水冷炉排1分成上下两部分,即一、二次燃烧室2、3。一、二次燃烧室2、3分别设置炉门。二次燃烧室3与左烟箱4相通,左、右烟箱4、5分别由烟管6与上烟箱7相通,右烟箱5依次外接脱硫除尘器8、烟囱9、引射器10和离心风机11。
如图1所示,一、二次燃烧室2、3和左、右烟箱4、5及上烟箱7被包在一个外包水套12内,外包水套12上下位置分别设置出水口、回水口。一次燃烧室2顶部设置通向外部的放散13。
如图1所示,燃烧室上方设置的风箱14与一次燃烧室2由上下管道15分层接通,风箱14和二次燃烧室3分别连有气管16通向外接鼓风机17的配风阀18。

Claims (2)

1.燃煤常压热水锅炉,包括炉排、风机、风箱、风阀、炉门、燃烧室、水套、烟箱、烟管、脱硫除尘器,其特征是:所述燃烧室由水冷炉排分成上下两部分,即一、二次燃烧室,二次燃烧室与左烟箱相通,左、右烟箱分别由烟管与上烟箱相通,一、二次燃烧室和左、右烟箱及上烟箱被包在一个外包水套内,燃烧室上方设置有风箱,风箱与一次燃烧室由上下管道分层接通,风箱和二次燃烧室分别连有气管通向外接鼓风机的配风阀,所述右烟箱依次外接脱硫除尘器、烟囱、引射器和离心风机。
2.根据权利要求1所述的燃煤常压热水锅炉,其特征是:所述一次燃烧室顶部设置放散。
CNU2008200096131U 2008-03-14 2008-03-14 燃煤常压热水锅炉 Expired - Fee Related CN201193874Y (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101666540B (zh) * 2009-09-04 2012-05-09 洛阳瑞昌石油化工设备有限公司 一种可调式低主风压降的节能催化辅助加热室
CN101929732B (zh) * 2009-06-19 2012-12-05 王兰柱 环保节能常压热水锅炉

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929732B (zh) * 2009-06-19 2012-12-05 王兰柱 环保节能常压热水锅炉
CN101666540B (zh) * 2009-09-04 2012-05-09 洛阳瑞昌石油化工设备有限公司 一种可调式低主风压降的节能催化辅助加热室

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