CN202598576U - 一种锅炉的底部风布置结构 - Google Patents

一种锅炉的底部风布置结构 Download PDF

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Publication number
CN202598576U
CN202598576U CN 201220147550 CN201220147550U CN202598576U CN 202598576 U CN202598576 U CN 202598576U CN 201220147550 CN201220147550 CN 201220147550 CN 201220147550 U CN201220147550 U CN 201220147550U CN 202598576 U CN202598576 U CN 202598576U
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China
Prior art keywords
boiler
wall
air duct
wind
air
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Expired - Lifetime
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CN 201220147550
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陈益增
韦志平
薛金彪
孟慧
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Wuxi Huaguang Environment and Energy Group Co Ltd
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Wuxi Huaguang Boiler Co Ltd
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Abstract

本实用新型提供了一种锅炉的底部风布置结构,其能够确保锅炉易结焦部位壁面特别是炉膛高温区域内壁面的氧化性气氛,防止炉膛高温区结焦。其特征在于:所述四周膜式壁的扁钢上均布有布风口,顺着布风口的排布方向安装有支流风道,所述支流风道密封安装于所述四周膜式壁的外壁,各个所述支流风道通向主风道,所述主风道连接底部风风道的入口,所述底部风风道的出口朝向炉膛底部。

Description

一种锅炉的底部风布置结构
技术领域
    本实用新型涉及锅炉结构的技术领域,具体为一种锅炉的底部风布置结构。
背景技术
现有的火力发电厂锅炉,其在炉膛高温区易结焦部位,尤其是燃烧器区域附近的炉膛高温区域内极易产生结焦现象,特别是当锅炉燃用低灰熔点煤时,此现象尤为明显。
发明内容
针对上述问题,本实用新型提供了一种锅炉的底部风布置结构,其能够确保锅炉易结焦部位壁面特别是炉膛高温区域内壁面的氧化性气氛,防止炉膛高温区结焦。
一种锅炉的底部风布置结构,其包括炉膛水冷壁下部灰斗四周膜式壁,其特征在于:所述四周膜式壁的扁钢上均布有布风口,顺着布风口的排布方向安装有支流风道,所述支流风道密封安装于所述四周膜式壁的外壁,各个所述支流风道通向主风道,所述主风道连接底部风风道的入口,所述底部风风道的出口朝向炉膛底部。
其进一步特征在于:所述主风道通过底部风固定装置固定于炉膛。
采用本实用新型的结构后,将来自于锅炉的二次风通过布风口以适当速度引入炉膛内。进入炉膛后的二次风沿着水冷壁四周贴壁向上流动,从而使得水冷壁表面能始终保持氧化性的气氛,该氧化性气氛的维持可有效提高燃煤的灰熔点,可防止炉膛特别是燃烧器区域结焦的发生,故其能够确保锅炉易结焦部位壁面特别是炉膛高温区域内壁面的氧化性气氛,防止炉膛高温区结焦。
附图说明
图1为本实用新型的结构示意图;
图2为图1左视图结构示意图。
具体实施方式
见图1、图2,其包括炉膛水冷壁下部灰斗四周膜式壁1,四周膜式壁1的扁钢2上均布有布风口3,顺着布风口3的排布方向安装有支流风道4,支流风道4密封安装于四周膜式壁1的外壁,各个支流风道4通向主风道5,主风道5连接底部风风道6的入口,底部风风道6的出口9朝向炉膛底部7。主风道5通过底部风固定装置8固定于炉膛。

Claims (2)

1.一种锅炉的底部风布置结构,其包括炉膛水冷壁下部灰斗四周膜式壁,其特征在于:所述四周膜式壁的扁钢上均布有布风口,顺着布风口的排布方向安装有支流风道,所述支流风道密封安装于所述四周膜式壁的外壁,各个所述支流风道通向主风道,所述主风道连接底部风风道的入口,所述底部风风道的出口朝向炉膛底部。
2.根据权利要求1所述的一种锅炉的底部风布置结构,其特征在于:所述主风道通过底部风固定装置固定于炉膛。
CN 201220147550 2012-04-10 2012-04-10 一种锅炉的底部风布置结构 Expired - Lifetime CN202598576U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620309A (zh) * 2012-04-10 2012-08-01 无锡华光锅炉股份有限公司 锅炉的底部风布置结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620309A (zh) * 2012-04-10 2012-08-01 无锡华光锅炉股份有限公司 锅炉的底部风布置结构

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Address after: 214028 No. 3 Chengnan Road, new Wu District, Jiangsu, Wuxi

Patentee after: Wuxi Huaguang Environmental Protection Energy Group Co., Ltd

Address before: 214028 No. 3 Chengnan Road, New District, Jiangsu, Wuxi

Patentee before: WUXI HUAGUANG BOILER Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20121212