CN202347712U - 一种防火发泡砖 - Google Patents

一种防火发泡砖 Download PDF

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Publication number
CN202347712U
CN202347712U CN2011204945929U CN201120494592U CN202347712U CN 202347712 U CN202347712 U CN 202347712U CN 2011204945929 U CN2011204945929 U CN 2011204945929U CN 201120494592 U CN201120494592 U CN 201120494592U CN 202347712 U CN202347712 U CN 202347712U
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brick
fireproof
locating slot
fire
positioning groove
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戴金华
施吉慧
严玉
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JIANGSU ENTC NUCLEAR TECHNOLOGY JOINT STOCK CO., LTD.
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Hailong Nuclear Material Technology (jiangsu) Co Ltd
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Abstract

本实用新型公开了一种防火发泡砖,包括砖体,所述砖体外设有液体硅酮橡胶加工而成的保护层。防火发泡砖砌成防火墙,在遇到火焰时,保护层阻燃隔热,达到阻火的目的,且避免产生有毒气体,使用更加安全,且所述砖体一面上有定位槽,定位槽的相对面设有与定位槽配合的定位凸起部,通过相邻防火砖的定位槽与定位凸起部的配合,使砖与砖之间的安装更加牢固,不易坍塌。

Description

一种防火发泡砖
技术领域
本实用新型涉及一种防火砖,特别涉及一种用于核电企业的电线、电缆、盘柜、竖井防火封堵结构的防火砖。
背景技术
现今的核电站中,出于铺设电线、电缆的要求,在墙壁和楼板之间开设了许多贯穿性的空洞,以利于电线电缆的通过。但这些孔洞也存在着潜在的火灾隐患。一方面、火焰和盐雾容易通过孔洞扩散到邻近的空间,另一方面,电缆通道可能形成竖井效应,加速火灾的蔓延。
目前,国内外采用防火封堵材料来对孔洞进行封堵,以有效阻止火焰通过孔洞蔓延。传统的封堵材料大多采用有机防火堵料和防火灰泥。有机防火堵料遇火会挥发出有毒气体;而防火灰泥虽然无毒性,但在固化后形成坚硬的块状物,无伸张和压缩弹性,无法补偿机械管道震动及建筑物沉降引起的机械位移,并且在管道及电缆等穿墙物件在维修及更换时极为不便。
实用新型内容
本实用新型的目的是为了克服以上不足,提供一种防火发泡砖,该防火砖具有良好的阻燃性、高屏蔽性、耐辐射性等优点。
本实用新型的目的是这样实现的:
本实用新型一种防火发泡砖,包括砖体,其中,所述砖体外设有液体硅酮橡胶加工而成的保护层。防火发泡砖砌成防火墙,在遇到火焰时,保护层阻燃隔热,达到阻火的目的,且避免产生有毒气体,使用更加安全。
上述的防火发泡砖,其中,所述砖体一面上有定位槽,定位槽的相对面设有与定位槽配合的定位凸起部,通过相邻防火砖的定位槽与定位凸起部的配合,使砖与砖之间的安装更加牢固,不易坍塌。
上述的防火发泡砖,其中,定位凸起部的高度大于定位槽的深度。小直径的电缆很容易穿过定位槽和定位凸起部间的空间,砖与砖的间隙既可在平时散热通风,又可在火灾发生时膨胀封堵。
与现有技术相比,本实用新型具有以下优点:
1)密度大,机械强度高,耐辐射性能好;
2)具有无味无毒,不含挥发性物质;
3)具有良好的电绝缘性、耐氧抗老化性、热导率小;
4)阻燃性能好,其防火阻燃性能达到GB/T2408-1996的FV-0级别;
5)施工方便,易于拆卸更换。
附图说明
图1是本实用新型的结构示意图。
具体实施方式
下面结合附图对本实用新型作进一步说明。
如图所示,本实用新型一种防火发泡砖,包括砖体1,砖体1为硅酮泡沫加工而成的整体构件。所述砖体1外设有液体硅酮橡胶加工而成的保护层10。所述砖体1一面上有定位槽2,定位槽2的相对面设有与定位槽2配合的定位凸起部3,通过相邻防火砖的定位槽与定位凸起部的配合,使砖与砖之间的安装更加牢固,不易坍塌。
为了安装方便,定位凸起部3的高度大于定位槽2的深度。小直径的电缆很容易穿过定位槽和定位凸起部间的空间,砖与砖的间隙既可在平时散热通风,又可在火灾发生时膨胀封堵。定位凸起部及定位槽的数量及形状不受限制,可为1个,2个或多个,形状可为方台形或圆台形。
以上实施例只用于对本发明进行进一步说明,不能理解为对本发明保护范围的限制,本领域的技术人员根据本发明的上述内容作出的一些非本质的改进和调整均属于本发明的保护范围。

Claims (3)

1.一种防火发泡砖,包括砖体,其特征在于,所述砖体外设有液体硅酮橡胶加工而成的保护层。
2.如权利要求1所述的防火发泡砖,其特征在于,所述砖体一面上有定位槽,定位槽的相对面设有与定位槽配合的定位凸起部。
3.如权利要求2所述的防火发泡砖,其特征在于,定位凸起部的高度大于定位槽的深度。
CN2011204945929U 2011-12-02 2011-12-02 一种防火发泡砖 Expired - Lifetime CN202347712U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105256908A (zh) * 2015-11-03 2016-01-20 江苏海龙核科技股份有限公司 高稳定性阻火屏

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105256908A (zh) * 2015-11-03 2016-01-20 江苏海龙核科技股份有限公司 高稳定性阻火屏

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Address after: Jian Xin Lu 212000 Zhenjiang province Jiangsu City Jingkou Industrial Park No. 36

Patentee after: JIANGSU ENTC NUCLEAR TECHNOLOGY JOINT STOCK CO., LTD.

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