CN204084419U - 卷帘式烟道挡板门 - Google Patents

卷帘式烟道挡板门 Download PDF

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CN204084419U
CN204084419U CN201320851504.5U CN201320851504U CN204084419U CN 204084419 U CN204084419 U CN 204084419U CN 201320851504 U CN201320851504 U CN 201320851504U CN 204084419 U CN204084419 U CN 204084419U
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卞福林
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Abstract

本实用新型属一种卷帘式烟道挡板门,其特点是:在两帘板条间设有连接条,上端帘板条靠螺钉固定在卷帘轴上,卷帘轴上固有链轮、靠减速电机带动,下端帘板条上固有两根钢丝绳、其另一端固定在卷绳轴上,卷绳轴上固有链轮,通过链条与卷帘轴、链轮相连,在帘板左右两侧设有滑轨,滑轨呈凹槽形,滑轨内帘板前后两侧设有密封条,帘板上、下端部设有行程开关,在帘板和钢丝绳拐弯处分别设有滚轮,在上、下横梁上分别设有密封盒,卷绳轴和卷帘轴上有密封罩,卷绳轴和卷帘轴靠轴承座固定在框架上,在帘板外侧框架上有帘板栏。该挡板门结构简单,体积小,重量轻,制造安装成本低,开合灵活,密封性能好,使用寿命长,安全可靠,适于脱硫系统推广使用。

Description

卷帘式烟道挡板门
技术领域
本实用新型涉及烟道挡板门,是一种烟道脱硫系统中使用的卷帘式烟道挡板门。 
背景技术
目前,烟道脱硫系统中使用的挡板门,大部分都是百叶窗式,有单百叶和双百叶挡板门,其结构是由框架、叶片、叶片轴和电机执行机构构成,这种百叶窗式挡板门,存有以下缺点:一是由于烟道烟气有粉尘、油污和二氧化硫气体,在使用一段时间后,百叶不灵活,闭合不到位,易漏气;二是百叶执行机构易损坏,维修量大;三是因密封不好,脱硫塔维修时,维修人员易中毒,存有不安全隐患;四是双百叶挡板门要有密封机,充气密封;五是结构复杂,体大笨重,制造安装成本高。 
发明内容
本实用新型的目的是提供一种卷帘式烟道挡板门,已解决现有技术存在的百叶不灵活,闭合不到位,易漏气、百叶执行机构易损坏、维修量大,存有不安全隐患和结构复杂,体大笨重,制造安装成本高的问题。 
本实用新型的目的是这样实现的,该卷帘式烟道挡板门是由框架、帘板、卷帘轴、减速电机构成,帘板是由帘板条组成,在两帘板条间设有连接条,上端帘板条靠螺钉固定在卷帘轴上,卷帘轴上固有链轮、靠减速电机带动,下端帘板条上固有两根钢丝绳、钢丝绳另一端固定在卷绳轴上,卷绳轴上固有链轮,通过链条与卷帘轴、链轮相连,在帘板左右两侧设有滑轨,滑轨呈凹槽形,滑轨内帘板前后两侧设有密封条,帘板上、下两端部分别设有行程开关,在帘板和钢丝绳拐弯处分别设有滚轮,在上、下横梁上分别设有密封盒,滚轮轴、卷绳轴和卷帘轴靠轴承座、支架固定在框架上,在卷绳轴和卷帘轴上设有密封罩,在帘板外侧框架上设有帘板栏。 
帘板条和连接条采用回形弯交叉连接,靠铆钉或螺钉固定。 
该实用新型与现有技术相比具有以下优点:(1)帘板料薄,较单百叶挡板门重量轻,不怕粉尘、油污和二氧化硫气体,开合灵活,使用寿命长,(2)密封性能好,不漏气,安全可靠;(3)较双百叶挡板门不用密封机;(4)结构简单,体积小,重量轻,制造安装成本低. 
附图说明
图1是本实用新型卷帘式烟道挡板门结构示意图; 
图2是图1中A-A剖视图; 
图3是图2中C局部放大图。 
具体实施方式
图1-3中,框架1、帘板条5、卷帘轴8、减速电机10与现有技术基本相同,所不同的是,帘板是由帘板条组成,帘板条5采用不锈钢板制成,在两帘板条5间设有连接条6,连接条采用硅橡胶布制成,帘板条5和连接条6采用回形弯交叉连接,靠铆钉或螺钉固定,上端帘板条靠螺钉7固定在卷帘轴8上,卷帘轴上固有链轮9、靠减速电机10带动,下端帘板条上固有两根钢丝绳3,钢丝绳另一端固定在卷绳轴2上,卷绳轴上固有链轮9,通过链条12与卷帘轴、链轮相连,在减速电机10带动下可同步运动,帘板条和连接条左右两侧设有回形弯,组装成帘板后压平,在帘板左右两侧设有滑轨13,滑轨呈凹槽形,滑轨内帘板前后两侧设有密封条17,以防漏气,在帘板上端部设有上行程开关11,下端部设有下行程开关11,在帘板拐弯处设有2-4个滚轮15,在钢丝绳拐弯处设有2个滚轮15,滚轮15靠轴、轴承座固定在框架1上,卷绳轴和卷帘轴靠支架、轴承座固定在框架上,在框架上、下横梁上分别设有密封盒16,其内装有密封填料,若密封盒16密封不好,在卷绳轴和卷帘轴上再设密封 罩14,密封罩固定在框架上,在帘板外侧框架上设有帘板栏4,以防帘板变形,在框架1上设有螺孔或国定耳,靠螺栓与烟道连接。 

Claims (2)

1.一种卷帘式烟道挡板门,是由框架(1)、帘板条(5)、卷帘轴(8)、减速电机(10)构成,其特征在于:帘板是由帘板条(5)组成,在两帘板条间设有连接条(6),上端帘板条靠螺钉(7)固定在卷帘轴(8)上,卷帘轴上固有链轮(9)、靠减速电机(10)带动,下端帘板条上固有两根钢丝绳(3)、钢丝绳另一端固定在卷绳轴(2)上,卷绳轴上固有链轮(9),通过链条(12)与卷帘轴、链轮相连,在帘板左右两侧设有滑轨(13),滑轨呈凹槽形,滑轨内帘板前后两侧设有密封条(17),帘板上、下端部设有行程开关(11),在帘板和钢丝绳拐弯处分别设有滚轮(15),在上、下横梁上分别设有密封盒(16),滚轮轴、卷绳轴和卷帘轴靠轴承座、支架固定在框架上,在卷绳轴和卷帘轴上设有密封罩(14),在帘板外侧框架上设有帘板栏(4)。 
2.根据权利要求1所述的卷帘式烟道挡板门,其特征在于:帘板条(5)和连接条(6)采用回形弯交叉连接,靠铆钉或螺钉固定。 
CN201320851504.5U 2013-12-12 2013-12-12 卷帘式烟道挡板门 Withdrawn - After Issue CN204084419U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672935A (zh) * 2013-12-12 2014-03-26 卞福林 卷帘式烟道挡板门

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672935A (zh) * 2013-12-12 2014-03-26 卞福林 卷帘式烟道挡板门
CN103672935B (zh) * 2013-12-12 2016-02-10 卞福林 卷帘式烟道挡板门

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