CN202747589U - 前置冲刷装置热水锅炉 - Google Patents

前置冲刷装置热水锅炉 Download PDF

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CN202747589U
CN202747589U CN 201220405401 CN201220405401U CN202747589U CN 202747589 U CN202747589 U CN 202747589U CN 201220405401 CN201220405401 CN 201220405401 CN 201220405401 U CN201220405401 U CN 201220405401U CN 202747589 U CN202747589 U CN 202747589U
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boiler
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张伟东
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YINGKOU DONGYING BOILER CO.,LTD.
Yingkou Hao Hao environmental protection equipment technology development Co.,Ltd.
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Yingkou Haoran Environmental Protection Equipment Science & Technology Development Co Ltd
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Abstract

一种应用于DZL型锅壳式热水锅炉制造业中的一种前置冲刷装置热水锅炉,整个装置由锅壳和水冷系统两部分组成,水冷系统由前冲刷管、前横集箱、第一对流管、第二对流管、水冷壁管、侧集箱、前上升管、后下降管;前冲刷管上与锅壳的前管板下部连接,下部与前横集箱连接;前上升管、后下降管的上端与锅壳连接,下端与侧集箱连接,水冷壁管的上端与锅壳连接、下端与侧集箱连接,前冲刷管上端与锅壳的前管板下部连接、下部与前横集箱连接,锅内导流板与锅壳连接。该装置构思科学新颖、工艺制造容易、成本价格低廉、节约用煤提高热率、工艺简便、寿命长。

Description

前置冲刷装置热水锅炉
技术领域
本实用新型涉及锅炉行业中的一种彻底解决锅炉前管板管端裂纹热水锅炉。
背景技术
目前,国内外锅炉节能行业中的DZL型锅壳锅炉高温管板裂纹隐患,一直未得到彻底解决;我国目前大部分采用该炉型,尤其中小型锅炉可占60%以上。所以解决此问题已成为当务之急;传统的DZL型锅壳式热水锅炉在发展过程中一直存在高温管板裂纹隐患问题。国内外解决这个问题的基本思路(或称技术模型)是相同的,即改善水循环,降低高温管板入口烟温;但效果都不理想,虽然设置了各种措施均靠回水动力来实现,由于实际运行状况与设计理想状态不同,造成同一炉型锅炉有的发裂纹有的未发生。因此研制一种彻底解决管板裂纹DZL型热水锅炉锅炉一直是期待解决的科研课题。
本实用新型的目的是提供一种构思科学新颖、工艺制造简单、成本价格低廉、节省钢材、水循环可靠彻底解决高温管板裂纹DZL系列热水锅炉。
发明内容
本实用新型的目的是这样实现的:一种前置冲刷装置热水锅炉,整个装置由锅壳和水冷系统两部分组成,水冷系统由前冲刷管、前横集箱、第一对流管、第二对流管、水冷壁管、侧集箱、前上升管、后下降管;前冲刷管上与锅壳的前管板下部连接,下部与前横集箱连接;前上升管、后下降管的上端与锅壳连接,下端与侧集箱连接,水冷壁管的上端与锅壳连接、下端与侧集箱连接,前冲刷管上端与锅壳的前管板下部连接、下部与前横集箱连接,锅内导流板与锅壳连接。
本实用新型的要点在于它的结构。其工作原理是:增设前冲刷管不仅冲破了这种传统锅炉仅靠回水冲刷的模式,增加前冲刷管,该处受到高温烟气冲刷,受热强烈,使锅水受热后形成强烈循环,对管板形成强烈冲刷,而此时形成的水动力完全来至于炉内燃烧的强弱,属自然循环;所以可与供暖热负荷相辅相成,而且创建了紧靠回水动力模式。靠回水动力模式往往是相对固定不变的,也就是现在在用锅炉为什么同一炉型有的产生管板裂纹而有的却无此现象的发生(水垢产生的除外)。这种新型前置冲刷装置热水锅炉,是两者有机的结合。同时锅内高温管板的冲刷的强弱与供暖热负荷高低相一致,热负荷高即燃烧强烈,前管板壁温高,前置冲刷管水循环也强烈,反之亦然;加之前置冲刷管位于高温烟气入口处,可吸收高温烟气热量,降低了烟温,也就降低了管板壁温。无论负荷高低均可解决因锅内水循环不利而造成的管板裂纹隐患。
前置冲刷装置热水锅炉与现有技术相比具有构思科学新颖、工艺制造容易、成本价格低廉、节约用煤提高热率、工艺简便、寿命长等优点,将广泛地应用于DZL型锅壳式热水锅炉制造业中。
附图说明
本实用新型的具体结构由以下实施例及其附图给出。
图1是本实用新型的结构示意图。
图2是图3的A-A剖视图。
图3是图2的B-B剖视图。
具体实施方式
参照附图,前置冲刷装置热水锅炉,整个装置由锅壳1、和水冷系统两部分组成,水冷系统由前冲刷管2、前横集箱3、第一对流管9、第二对流管10、水冷壁管4、侧集箱5、前上升管6、后下降管7;前冲刷管2上与锅壳1的前管板下部连接,下部与前横集箱3连接;前上升管6、后下降管7的上端与锅壳1连接,下端与侧集箱5连接,水冷壁管4的上端与锅壳1连接、下端与侧集箱5连接,前冲刷管3上端与锅壳1的前管板下部连接、下部与前横集箱3连接,锅内导流板8与锅壳1连接。

Claims (1)

1.一种前置冲刷装置热水锅炉,整个装置由锅壳和水冷系统两部分组成,其特征在于:水冷系统由前冲刷管、前横集箱、第一对流管、第二对流管、水冷壁管、侧集箱、前上升管、后下降管;前冲刷管上与锅壳的前管板下部连接,下部与前横集箱连接;前上升管、后下降管的上端与锅壳连接,下端与侧集箱连接,水冷壁管的上端与锅壳连接、下端与侧集箱连接,前冲刷管上端与锅壳的前管板下部连接、下部与前横集箱连接,锅内导流板与锅壳连接。
CN 201220405401 2012-08-16 2012-08-16 前置冲刷装置热水锅炉 Expired - Fee Related CN202747589U (zh)

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