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巖棉防火隔離帶的使用注意事項

發布時間:2024-03-17 來源:http://www.shejijh.com/

一、巖棉防火隔離帶的作用

1、 The function of rock wool fireproof isolation belt

巖棉防火隔離帶是用巖棉保溫板作為防火隔離構造安裝在建筑層之間的防火阻斷隔離設施。巖棉板本身是一種無機不燃的外墻保溫隔熱材料,巖棉防火隔離帶可以有*效阻隔火焰和燃燒熱浪的傳播擴散,遏制火災大面積延燒,起著保護建筑內生命與財產的功能作用。

Rock wool fire isolation belt is a fire blocking isolation facility installed between building floors using rock wool insulation boards as fire isolation structures. Rock wool board itself is an inorganic non combustible external wall insulation material. Rock wool fire isolation belts can effectively block the spread of flames and combustion heat waves, curb the widespread spread of fires, and play a role in protecting life and property inside buildings.

二、巖棉防火隔離帶的標準及要求

2、 Standard and requirements for rock wool fire isolation belts

巖棉防火隔離帶的厚度應為6厘米,高度應為50厘米,一般安裝在建筑一三五樓層頂以及二四六樓層窗口下的位置。按照有關部門要求,當住宅建筑高度≤24米,采用B2防火等級的建筑外墻材料時,建筑每3層應設置防火隔離帶;當住宅建筑高度24≤h<60米,采用B2防火等級的建筑外墻材料時,建筑每2層應設置防火隔離帶;當住宅建筑高度60≤h<100米,采用B2防火等級的建筑外墻材料時,建筑每1層應設置防火隔離帶;當其他民用建筑的高度≤24米,采用B2防火等級建筑外墻材料時,建筑每1層應設置防火隔離帶;當幕墻式建筑高度為0-24米, 采用B1防火等級建筑材料時,每層應設置防火隔離帶。

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The thickness of the rock wool fireproof isolation belt should be 6 centimeters, and the height should be 50 centimeters. It is generally installed at the top of the first, third, and fifth floors of the building, as well as under the windows of the second, fourth, and sixth floors. According to the requirements of relevant national departments, when the height of residential buildings is ≤ 24 meters and B2 fire rated building exterior wall materials are used, fire isolation belts should be installed every 3 floors of the building; When the height of residential buildings is 24 ≤ h<60 meters and B2 fire rated building exterior wall materials are used, fire isolation belts should be installed every 2 floors of the building; When the height of residential buildings is 60 ≤ h<100 meters and B2 fire rated building exterior wall materials are used, fire isolation belts should be installed on every floor of the building; When the height of other civil buildings is ≤ 24 meters and B2 fire rated building exterior wall materials are used, fire isolation belts should be installed on every floor of the building; When the height of curtain wall style buildings is 0-24 meters and B1 fire rated building materials are used, fire isolation belts should be installed on each floor.

三、做防火隔離帶的巖棉標準

3、 Standard for rock wool for making fire isolation belts

作為防火隔離帶,巖棉須滿足A級不燃的防火等級;其次原材料應為玄武巖巖棉,礦渣棉不能作為隔離防火帶;zui后巖棉板的規格應符合要求,巖棉防火隔離帶的容重原則上要求不低于80K,也就是說做防火隔離帶的巖棉的密度每立方應該大于80公斤的標準。

As a fire isolation zone, rock wool must meet the A level non combustible fire rating; Secondly, the raw material should be basalt rock wool, and slag wool cannot be used as an isolation fireproof belt; The specifications of the Zui rear rock wool board should meet the requirements. The bulk density of the rock wool fireproof isolation belt should be no less than 80K, which means that the density of the rock wool used for fireproof isolation belts should be greater than the standard of 80 kilograms per cubic meter.



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