CN110076876A - 一种防火隔音门扇及其制备方法 - Google Patents

一种防火隔音门扇及其制备方法 Download PDF

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CN110076876A
CN110076876A CN201910322901.5A CN201910322901A CN110076876A CN 110076876 A CN110076876 A CN 110076876A CN 201910322901 A CN201910322901 A CN 201910322901A CN 110076876 A CN110076876 A CN 110076876A
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glass
steel skeleton
fire
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sound insulation
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郭会师
李文凤
周立明
刘应凡
张果
桂阳海
方少明
秦笑梅
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Zhengzhou University of Light Industry
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Abstract

本发明公开了一种防火隔音门扇及其制备方法,制备方法包括以下步骤:1)将金属材料制成长方体,留一面开口,形成一空腔,腔体内表面喷涂有机硅防水剂,底部放置预制垫块;2)根据金属外壳尺寸设计玻璃钢骨架的大小,玻璃钢骨架置于金属外壳底部的垫块之上;3)将刚制备好的轻质砂浆铺设于金属外壳和玻璃钢骨架以及玻璃钢骨架中玻璃钢管和玻璃钢管之间的空隙间,捣固轻质砂浆使其充填充分,将玻璃钢骨架顶部的轻质砂浆刮平后用塑料薄膜覆盖养护2~3天;4)除去塑料薄膜,将金属外壳开口用内表面喷涂有机硅防水剂的金属板通过焊接进行封口。本发明制备的防火隔音门扇隔音性能佳,防火性能优,隔热效果好,安全级别高,抗冲击性能优。

Description

一种防火隔音门扇及其制备方法
技术领域
本发明属于建筑用门技术领域,具体涉及一种防火隔音门扇及其制备方法。
背景技术
防火门在一定时间内能满足耐火稳定性、完整性和隔热性的要求,是现代建筑的必备安全设施之一,已在人们工作和生活中得到了广泛的应用。很多场所如高档宾馆、学校、会议室、休息室等需要相对安静的环境,对防火门提出了较高的隔音要求。而现有防火门门扇常采用分体式制作各部件再经组装制得,其内部的骨架多为一体钢板,分体式制作的门扇各部件之间存在的缝隙或接合面,在遇到火情时易被各个击破,弱化了其整体防火效果,且钢质骨架的传热和传声速度均较快,致使防火门的整体隔热性能、隔音性能下降。而将具有吸引功能的玻璃棉丝或岩棉填充在门扇芯内,虽在一定程度上可改善防火门的隔音效果,但存在因填充不充分导致的空隙,使隔音效果不理想,且发生火情时,空隙处的抗火性远低于其它部位,弱化门扇的耐火极限。此外,现有的防火门强度和刚度不足,发生火灾时,随着火势的蔓延和温度的上升,门体容易变形不易开启,不利于人们的逃生和获救。且部分防火门采用浇注液态水泥的方式制备,重量大、不易挪移,安装使用过程中易导致合页与门框间的连接部位甚至整个门框变形,影响门扇的正常使用和防火效果。
发明内容
为克服现有技术的不足之处,本发明目的是提供一种防火隔音门扇及其制备方法。
为实现上述发明目的,本发明采用的技术方案是,一种防火隔音门扇的制备方法,包括以下步骤:
1)制备金属外壳:将金属材料通过冶炼浇注或焊接制成长方体,留一面开口,形成一空腔,腔体内表面喷涂有机硅防水剂,腔体底部放置有厚度为1.5~14.2mm的预制垫块;
2)制备并放置玻璃钢骨架:根据金属外壳尺寸设计玻璃钢骨架的大小,玻璃钢骨架长度方向的尺寸比腔体长度小5~40mm,玻璃钢骨架宽度方向的尺寸比腔体宽度小5~40mm,玻璃钢骨架的高度与预制垫块的厚度之和比腔体高度小5~40mm,将制备的玻璃钢骨架置于腔体底部的垫块上,并保证玻璃钢骨架位于腔体的中部;
3)制备并铺设轻质砂浆:将现制轻质砂浆铺设于金属外壳和玻璃钢骨架之间以及玻璃钢骨架中玻璃钢管和玻璃钢管之间的空隙间,捣固轻质砂浆使其充填充分,将玻璃钢骨架顶部的轻质砂浆刮平后用塑料薄膜覆盖养护2~3天;
4)封口:除去塑料薄膜,将金属外壳开口用内表面喷涂有机硅防水剂的金属板材通过焊接进行封口。
优选的,所述步骤1)中金属外壳材质为铝合金或镀锌钢板,厚度为0.8~3.5mm;所述步骤4)中金属板材与步骤1)中金属外壳的材质相同、厚度相同。
优选的,所述步骤2)中玻璃钢骨架的制备方法如下:首先,将玻璃纤维预浸布和玻璃纤维预浸带均置入装有预浸料的浸料槽中,待充分浸渍后备用;然后将浸渍后的玻璃纤维预浸布在卷筒机上缠绕3~6层固化后脱模制得管径为3~5cm的玻璃钢管,将玻璃钢管排列成网格状后用浸渍后的玻璃纤维预浸带对其交叉部分进行缠绕并固化即可得到玻璃钢骨架。
优选的,浸料槽中的预浸料由以下质量百分比的组分组成:不饱和聚酯树脂82%~95%,引发剂1%~4.5%,促进剂1%~3.5%,填料2%~10%。
优选的,所述的不饱和聚酯树脂为邻苯二甲酸型不饱和聚酯树脂、对苯二甲酸型不饱和聚酯树脂、间苯二甲酸型不饱和聚酯树脂、乙烯基酯型不饱和聚酯树脂、双酚A型不饱和聚酯树脂中的任一种;所述的引发剂为过氧化环己酮邻苯二甲酸二丁酯糊、过氧化丁酮、过氧化甲乙酮、过氧化苯甲酰中的任一种;所述的促进剂为乙二胺、环烷酸钴、N,N-二甲基苯胺、N-甲基-N-2-羟乙基对甲苯胺中的任一种或几种;所述的填料为滑石粉、重质碳酸钙、钛白粉、石英粉、氧化铝粉中的任一种或几种。
优选的,所述轻质砂浆由轻质砂浆原料和拌合水混合而成,拌合水的添加重量为轻质砂浆原料重量的42%~55%;轻质砂浆原料的组成按重量百分比计包括:水泥31%~48%,粉煤灰6%~13%,废弃建筑混凝土颗粒15%~27%,轻集料20%~35%,石膏2%~5%,防水剂3%~7%,减水剂0.4%~1.2%。
优选的,所述的水泥为普通硅酸盐水泥、矿渣硅酸盐水泥、硫铝酸盐水泥和铝酸盐水泥中的一种或两种;所述的废弃建筑混凝土颗粒是将建筑混凝土垃圾破碎后筛分所得,其粒径为3~5mm;所述的轻集料为玻化微珠、膨胀珍珠岩、膨胀蛭石中的一种或几种;所述的防水剂为有机硅防水剂;所述的减水剂为聚羧酸或三聚氰胺磺酸盐甲醛缩合物。
优选的,轻质砂浆的制备方法为:将轻质砂浆原料的各组分按比例加入混料机中干混2~5min,加入拌合水后再混合6~10min,即可得到轻质砂浆。
所述预制垫块沿腔体底部对角线方向放置,预制垫块的材质与轻质砂浆的材质相同。
本发明产生的有益效果是:
(1)以铝合金或镀锌钢板为外壳,高强度的玻璃钢为骨架,无机轻质砂浆为填料并包裹玻璃钢骨架,各组分结构科学、协同作用,使所得防火隔音门扇兼具优异的隔音、防火和抗冲击性能,可作为人防门、防盗门等应用在地铁、仓库、宾馆、学校、民用建筑等领域,克服了现有门扇应用领域单一的缺陷;
(2)所得防火隔音门扇防火等级高、耐高温性能好,可在温度≥1090℃的极端条件下保持结构完整性达104~133min,并且不产生有毒烟气,为受灾人创造了更多的获救时间,在求救时间段亦不会因吸入有毒烟气而受到伤害;
(3)玻璃钢骨架中玻璃钢管的中空结构和无机轻质砂浆中轻集料的存在,使所得防火隔音门扇的重量轻于市场现有相同厚度的门扇,使用过程中可减轻自重及对门框的荷重,且轻质砂浆中防水剂的添加以及金属门板内侧防水剂的喷涂隔绝了水气的侵入,二者共同作用,防止了门扇长期使用过程中出现变形、倾斜等缺陷,保障了门扇的完整性和耐用性;
(4)玻璃钢骨架通过自制的玻璃钢管网格状排布、缠绕固定后制得,本发明中玻璃钢管设置为中空结构,利用空气中的声速和热传导率(分别为344m/s和0.0257W/m·k)远低于其它物质的特性以提高所得防火隔音门扇的隔音性能和隔热防火性能;轻质砂浆中的轻集料含量高达20%~35%,其由玻化微珠、膨胀珍珠岩和(或)膨胀蛭石组成,三者内部均呈多孔的空腔结构,空腔内充满空气,因空气中的声速和热传导率远低于其它物质的特性,赋予轻质砂浆具有较好的隔热和隔音性能;
(5)制备过程中使用了高达15%~27%的建筑混凝土垃圾和6%~13%燃煤电厂排出的固体废弃物粉煤灰,使所得防火隔音门扇的制备成本大大降低,并将废弃物资源化利用,减少了环境污染,符合国家环保节能产业政策;
(6)所得防火隔音门扇制备简单、灵活、无毒无污染,可对金属外壳的材质和厚度、玻璃钢骨架的管径和厚度、隔音防火料浆的配方进行替换,以满足不同应用场所和客户的需要,进一步扩大其应用领域。
附图说明
图1为本发明中制备的防火隔音门扇的结构示意图;
图中所示:1.金属外壳,2.玻璃钢骨架,3.轻质砂浆,4.垫块,5.玻璃纤维预浸带,6.金属板。
具体实施方式
下面结合具体实施例对本发明作进一步说明,但本发明的保护范围不限于此。
以下实施例中,粉煤灰为将燃煤电厂排出的固体废物粉煤灰处理后,取Ⅱ级灰使用;废弃建筑混凝土颗粒是将建筑混凝土垃圾破碎后筛分所得,其粒径为3~5mm;有机硅防水剂购买自恒美科技有限公司(HMF-Ⅰ型改性有机硅)。以下实施例中的预制垫块的材质与轻质砂浆的材质相同。
实施例1
一种防火隔音门扇的制备方法,包括以下步骤:
1)制备金属外壳:将厚度为2.4mm的镀锌钢板焊接制成长方体状镀锌钢板外壳,留一面开口,形成一空腔,腔体内表面喷涂有机硅防水剂,腔体底部按对角线方向放置厚度为2.6mm的预制垫块;
2)制备并放置玻璃钢骨架:根据镀锌钢板外壳尺寸设计玻璃钢骨架的大小(玻璃钢骨架长度方向的尺寸比腔体长度小40mm,玻璃钢骨架宽度方向的尺寸比腔体宽度小40mm,玻璃钢骨架的高度与预制垫块的厚度之和比腔体高度小40mm),将玻璃纤维预浸布和玻璃纤维预浸带均置入装有预浸料的浸料槽中,待充分浸渍后备用,其中预浸料由以下质量百分比的组分组成:邻苯二甲酸型不饱和聚酯树脂93%,过氧化丁酮1%,环烷酸钴2%,重质碳酸钙3%,滑石粉1%;按设计要求将浸渍后的玻璃纤维预浸布在卷筒机上缠绕4层,固化(固化的具体步骤为:缠绕好的玻璃纤维预浸布于室温下静置24h后移入干燥室中,先在60℃下保温3h,然后在95℃下保温1h)后脱模制得管径为5cm的玻璃钢管,将玻璃钢管排列成网格状后用浸渍后的玻璃纤维预浸带对其交叉部分进行缠绕并固化后(固化的具体步骤为:室温下静置24h后移入干燥室中,先在60℃下保温3h,然后在95℃下保温1h)即可得到玻璃钢骨架,将制备的玻璃钢骨架置于镀锌钢板外壳腔体底部的垫块上,并保证玻璃钢骨架位于腔体的正中部;
3)制备并铺设轻质砂浆:所述轻质砂浆由轻质砂浆原料和拌合水混合而成,拌合水的添加重量为轻质砂浆原料重量的55%;轻质砂浆原料由以下质量百分比的组分组成:硫铝酸盐水泥31%,粉煤灰13%,废弃建筑混凝土颗粒27%,玻化微珠20%,石膏5%,有机硅防水剂3.6%,聚羧酸0.4%,按配比称取轻质砂浆原料各组分于混料机中干混5min,加入拌合水后再混合7min,即得轻质砂浆;将刚制备好的轻质砂浆铺设于镀锌钢板外壳和玻璃钢骨架之间以及玻璃钢骨架中玻璃钢管和玻璃钢管之间的空隙间,捣固轻质砂浆使其填充充分,将玻璃钢骨架顶部的轻质砂浆刮平后用塑料薄膜覆盖养护2天;
4)封口:除去塑料薄膜,将金属外壳开口用内表面喷涂有机硅防水剂的厚度为2.4mm镀锌钢板通过焊接进行封口。
实施例2
一种防火隔音门扇的制备方法,包括以下步骤:
1)制备金属外壳:将厚度为1.2mm铝合金焊接成长方体状铝合金外壳,留一面开口,形成一空腔,腔体内表面喷涂有机硅防水剂,腔体底部按对角线方向放置厚度为8.8mm的预制垫块;
2)制备并放置玻璃钢骨架:根据铝合金外壳尺寸设计玻璃钢骨架的大小(玻璃钢骨架长度方向的尺寸比腔体长度小32mm,玻璃钢骨架宽度方向的尺寸比腔体宽度小32mm,玻璃钢骨架的高度与预制垫块的厚度之和比腔体高度小32mm),将玻璃纤维预浸布和玻璃纤维预浸带均置入装有预浸料的浸料槽中,待充分浸渍后备用,其中预浸料由以下质量百分比的组分组成:对苯二甲酸型不饱和聚酯树脂92%,过氧化甲乙酮2%,乙二胺1%,钛白粉5%;按设计要求将浸渍后的玻璃纤维预浸布在卷筒机上缠绕5层固化(固化的具体步骤为:缠绕好的玻璃纤维预浸布置于干燥室中,先在60℃下保温3h,然后在100℃下保温2h)后脱模制得管径为4cm的玻璃钢管,将玻璃钢管排列成网格状后用浸渍后的玻璃纤维预浸带对其交叉部分进行缠绕并固化(固化的具体步骤为:置于干燥室中,先在60℃下保温3h,然后在100℃下保温2h)即可得到玻璃钢骨架,将制备的玻璃钢骨架置于铝合金外壳腔体底部的垫块之上,并保证玻璃钢骨架位于腔体的正中部;
3)制备并铺设轻质砂浆:所述轻质砂浆由轻质砂浆原料和拌合水混合而成,拌合水的添加重量为轻质砂浆原料重量的51%;轻质砂浆原料由以下质量百分比的组分组成:普通硅酸盐水泥42%,铝酸盐水泥6%,粉煤灰8%,废弃建筑混凝土颗粒17%,玻化微珠16%,膨胀蛭石4%,石膏3.5%,有机硅防水剂3%,聚羧酸0.5%;按配比称取轻质砂浆原料各组分于混料机中干混3min,加入拌合水后再混合10min,即得轻质砂浆;将刚制备好的轻质砂浆铺设于铝合金外壳和玻璃钢骨架之间以及玻璃钢骨架中玻璃钢管和玻璃钢管之间的空隙间,捣固轻质砂浆使其填充充分,将玻璃钢骨架顶部的轻质砂浆刮平后用塑料薄膜覆盖养护3天;
4)封口:除去塑料薄膜,将外壳开口用内表面喷涂有机硅防水剂的厚度为1.2mm铝合金通过焊接进行封口。
实施例3
一种防火隔音门扇的制备方法,包括以下步骤:
1)制备金属外壳:将厚度为2.8mm的镀锌钢板焊接成长方体状镀锌钢板外壳,留一面开口,形成一空腔,腔体内表面喷涂有机硅防水剂,腔体底部按对角线方向放置厚度为7.2mm的预制垫块;
2)制备并放置玻璃钢骨架:根据镀锌钢板外壳尺寸设计玻璃钢骨架的大小(玻璃钢骨架长度方向的尺寸比腔体长度小16mm,玻璃钢骨架宽度方向的尺寸比腔体宽度小16mm,玻璃钢骨架的高度与预制垫块的厚度之和比腔体高度小16mm),将玻璃纤维预浸布和玻璃纤维预浸带均置入装有预浸料的浸料槽中,待充分浸渍后备用,其中预浸料由以下质量百分比的组分组成:间苯二甲酸型不饱和聚酯树脂92%,过氧化环己酮邻苯二甲酸二丁酯糊4%,环烷酸钴2%,重质碳酸钙2%;按设计要求将浸渍后的玻璃纤维预浸布在卷筒机上缠绕3层固化后(室温环境下固化24h)脱模制得管径为4cm的玻璃钢管,将玻璃钢管排列成网格状后用浸渍后的玻璃纤维预浸带对其交叉部分进行缠绕并固化(室温环境下固化24h)即可得到玻璃钢骨架,将制备的玻璃钢骨架置于镀锌钢板外壳腔体底部的垫块之上,并保证玻璃钢骨架位于腔体的正中部;
3)制备并铺设轻质砂浆:所述轻质砂浆由轻质砂浆原料和拌合水混合而成,拌合水的添加重量为轻质砂浆原料重量的42%;轻质砂浆原料由以下质量百分比的组分组成:矿渣硅酸盐水泥35%,粉煤灰6%,废弃建筑混凝土颗粒15%,玻化微珠22%,膨胀珍珠岩13%,石膏2%,有机硅防水剂5.8%,三聚氰胺磺酸盐1.2%;按配比称取轻质砂浆原料各组分于混料机中干混2min,加入拌合水后再混合7min,即得轻质砂浆;将刚制备好的轻质砂浆铺设于镀锌钢板外壳和玻璃钢骨架之间以及玻璃钢骨架中玻璃钢管和玻璃钢管之间的空隙间,捣固轻质砂浆使其填充充分,将玻璃钢骨架顶部的轻质砂浆刮平后用塑料薄膜覆盖养护2天;
4)封口:除去塑料薄膜,将外壳开口用内表面喷涂有机硅防水剂的厚度为2.8mm的镀锌钢板通过焊接进行封口。
实施例4
一种防火隔音门扇的制备方法,包括以下步骤:
1)制备金属外壳:将厚度为3.5mm的镀锌钢板焊接成长方体,留一面开口,形成一空腔,腔体内表面喷涂有机硅防水剂,腔体底部按对角线方向放置厚度为1.5mm的预制垫块;
2)制备并放置玻璃钢骨架:根据镀锌钢板外壳尺寸设计玻璃钢骨架的大小(玻璃钢骨架长度方向的尺寸比腔体长度小21mm,玻璃钢骨架宽度方向的尺寸比腔体宽度小21mm,玻璃钢骨架的高度与预制垫块的厚度之和比腔体高度小21mm),将玻璃纤维预浸布和玻璃纤维预浸带均置入装有预浸料的浸料槽中,待充分浸渍后备用,其中预浸料由以下质量百分比的组分组成:双酚A型不饱和聚酯树脂82%,过氧化苯甲酰4.5%,N,N-二甲基苯胺1.3%,N-甲基-N-2-羟乙基对甲苯胺2.2%,氧化铝粉6%,钛白粉1%,滑石粉3%;按设计要求将浸渍后的玻璃纤维预浸布在卷筒机上缠绕6层,将缠绕好的玻璃纤维预浸布置于干燥室中120℃下保温1h进行固化,脱模后制得管径为5cm的玻璃钢管,将玻璃钢管排列成网格状后用浸渍后的玻璃纤维预浸带对其交叉部分进行缠绕,置于干燥室中120℃下保温1h进行固化后即可得到玻璃钢骨架,将制备的玻璃钢骨架置于镀锌钢板外壳腔体底部的垫块之上,并保证玻璃钢骨架位于腔体的正中部;
3)制备并铺设轻质砂浆:所述轻质砂浆由轻质砂浆原料和拌合水混合而成,拌合水的添加重量为轻质砂浆原料重量的43%;轻质砂浆原料由以下质量百分比的组分组成:矿渣硅酸盐水泥27%,铝酸盐水泥11%,粉煤灰6%,废弃建筑混凝土颗粒15%,玻化微珠31%,石膏2%,有机硅防水剂7%,三聚氰胺磺酸盐1.0%,以上物质的总和为100%;按配比称取轻质砂浆原料各组分于混料机中干混3min,加入拌合水后再混合8min,即得轻质砂浆;将刚制备好的轻质砂浆铺设于镀锌钢板外壳和玻璃钢骨架之间以及玻璃钢骨架中玻璃钢管和玻璃钢管之间的空隙间,捣固轻质砂浆使其填充充分,将玻璃钢骨架顶部的轻质砂浆刮平后用塑料薄膜覆盖养护3天;
4)封口:除去塑料薄膜,将外壳开口用内表面喷涂有机硅防水剂的厚度为3.5mm镀锌钢板通过焊接进行封口。
实施例5
一种防火隔音门扇的制备方法,包括以下步骤:
1)制备金属外壳:将厚度为0.8mm的铝合金焊接成长方体,留一面开口,形成一空腔,腔体内表面喷涂有机硅防水剂,腔体底部按对角线方向放置厚度为14.2mm的预制垫块;
2)制备并放置玻璃钢骨架:根据铝合金外壳尺寸设计玻璃钢骨架的大小(玻璃钢骨架长度方向的尺寸比腔体长度小5mm,玻璃钢骨架宽度方向的尺寸比腔体宽度小5mm,玻璃钢骨架的高度与预制垫块的厚度之和比腔体高度小5mm),将玻璃纤维预浸布和玻璃纤维预浸带均置入装有预浸料的浸料槽中,待充分浸渍后备用,其中预浸料由以下质量百分比的组分组成:乙烯基酯型不饱和聚酯树脂95%,过氧化丁酮2%,环烷酸钴1%,石英粉2%;按设计要求将浸渍后的玻璃纤维预浸布在卷筒机上缠绕4层固化后(固化的具体步骤为:将缠绕好的玻璃纤维预浸布置于干燥室中,先在60℃下保温3h,然后在80℃下保温2h)脱模制得管径为3cm的玻璃钢管,将玻璃钢管排列成网格状后用浸渍后的玻璃纤维预浸带对其交叉部分进行缠绕并固化(固化的具体步骤为:置于干燥室中,先在60℃下保温3h,然后在80℃下保温2h)即可得到玻璃钢骨架,将制备的玻璃钢骨架置于铝合金外壳腔体底部的垫块之上,并保证玻璃钢骨架位于腔体的正中部;
3)制备并铺设轻质砂浆:所述轻质砂浆由轻质砂浆原料和拌合水混合而成,拌合水的添加重量为轻质砂浆原料重量的48%;轻质砂浆原料由以下质量百分比的组分组成:普通硅酸盐水泥30%,矿渣硅酸盐水泥8%,粉煤灰7%,废弃建筑混凝土颗粒23%,玻化微珠11%,膨胀珍珠岩9%,膨胀蛭石4%,石膏2.5%,有机硅防水剂4.7%,聚羧酸0.8%,按配比称取轻质砂浆原料各组分于混料机中干混5min,加入拌合水后再混合6min,即得轻质砂浆;将刚制备好的轻质砂浆铺设于铝合金外壳和玻璃钢骨架之间以及玻璃钢骨架中玻璃钢管和玻璃钢管之间的空隙间,捣固轻质砂浆使其填充充分,将玻璃钢骨架顶部的轻质砂浆刮平后用塑料薄膜覆盖养护3天;
4)封口:除去塑料薄膜,将外壳开口用内表面喷涂有机硅防水剂的厚度为0.8mm铝合金通过焊接进行封口。
试验例1
为表明所制轻质砂浆的隔热和隔音性能,本试验例检测了各实施例中轻质砂浆的隔音性能和导热系数,上述性能均为将各实施例中所得轻质砂浆按GB/T 19889.3-2005 和JG-T266-2011之规定大小注入相应尺寸的模具经28天自然养护期后测试所得,结果如表1所示。
表1各实施例中轻质砂浆的性能检测结果
试验例2
本试验例检测各实施例所得防火隔音门扇(厚度为40mm)的各项性能,结果如表2所示。
表2各实施例的防火隔音门扇的性能检测结果
由表2的试验结果可知,本发明的防火隔音门扇,隔音性能佳,计权隔声量达到41~48dB;防火性能优,防火等级满足GB8624-2012规定的建筑材料及制品燃烧性能A2级要求;隔热效果好,在温度≥1090℃的极端条件下耐火极限长达104~133min,满足GB12955-2008规定的A类隔热防火门要求;无危害性烟气产生,产烟毒性级别为GB/T20285-2006规定的材料产烟毒性危险分级中的AQ1级,为安全级别;抗冲击性能优,经历30kg沙袋软冲击载荷作用9次后产生的凹变形量仅为2.3~4.2mm,达到GB 17565-2007防盗门软冲击性能分类中的甲级(≤3.0mm)和乙级标准(≤5.0mm)。

Claims (10)

1.一种防火隔音门扇的制备方法,其特征在于,包括以下步骤:
1)制备金属外壳:将金属材料通过冶炼浇注或焊接制成长方体,留一面开口,形成一空腔,腔体内表面喷涂有机硅防水剂,腔体底部放置有厚度为1.5~14.2mm的预制垫块;
2)制备并放置玻璃钢骨架:根据金属外壳尺寸设计玻璃钢骨架的大小,玻璃钢骨架长度方向的尺寸比腔体长度小5~40mm,玻璃钢骨架宽度方向的尺寸比腔体宽度小5~40mm,玻璃钢骨架的高度与预制垫块的厚度之和比腔体高度小5~40mm,将制备的玻璃钢骨架置于腔体底部的垫块上,并保证玻璃钢骨架位于腔体的中部;
3)制备并铺设轻质砂浆:将现制轻质砂浆铺设于金属外壳和玻璃钢骨架之间以及玻璃钢骨架中玻璃钢管和玻璃钢管之间的空隙间,捣固轻质砂浆使其充填充分,将玻璃钢骨架顶部的轻质砂浆刮平后用塑料薄膜覆盖养护2~3天;
4)封口:除去塑料薄膜,将金属外壳开口用内表面喷涂有机硅防水剂的金属板材通过焊接进行封口。
2.如权利要求1所述防火隔音门扇的制备方法,其特征在于,所述步骤1)中金属外壳材质为铝合金或镀锌钢板,厚度为0.8~3.5mm;所述步骤4)中金属板材与步骤1)中金属外壳的材质相同,厚度为0.8~3.5mm。
3.如权利要求1所述防火隔音门扇的制备方法,其特征在于,所述步骤2)中玻璃钢骨架的制备方法如下:首先,将玻璃纤维预浸布和玻璃纤维预浸带均置入装有预浸料的浸料槽中,待充分浸渍后备用;然后将浸渍后的玻璃纤维预浸布在卷筒机上缠绕3~6层固化后脱模制得管径为3~5cm的玻璃钢管,将玻璃钢管排列成网格状后用浸渍后的玻璃纤维预浸带对其交叉部分进行缠绕并固化即可得到玻璃钢骨架。
4.如权利要求3所述防火隔音门扇的制备方法,其特征在于,浸料槽中的预浸料由以下质量百分比的组分组成:不饱和聚酯树脂82%~95%,引发剂1%~4.5%,促进剂1%~3.5%,填料2%~10%。
5.如权利要求4所述防火隔音门扇的制备方法,其特征在于,所述的不饱和聚酯树脂为邻苯二甲酸型不饱和聚酯树脂、对苯二甲酸型不饱和聚酯树脂、间苯二甲酸型不饱和聚酯树脂、乙烯基酯型不饱和聚酯树脂、双酚A型不饱和聚酯树脂中的任一种;所述的引发剂为过氧化环己酮邻苯二甲酸二丁酯糊、过氧化丁酮、过氧化甲乙酮、过氧化苯甲酰中的任一种;所述的促进剂为乙二胺、环烷酸钴、N,N-二甲基苯胺、N-甲基-N-2-羟乙基对甲苯胺中的任一种或几种;所述的填料为滑石粉、重质碳酸钙、钛白粉、石英粉、氧化铝粉中的任一种或几种。
6.如权利要求1所述防火隔音门扇的制备方法,其特征在于,所述轻质砂浆由轻质砂浆原料和拌合水混合而成,拌合水的添加重量为轻质砂浆原料重量的42%~55%;轻质砂浆原料的组成按重量百分比计包括:水泥31%~48%,粉煤灰6%~13%,废弃建筑混凝土颗粒15%~27%,轻集料20%~35%,石膏2%~5%,防水剂3%~7%,减水剂0.4%~1.2%。
7.如权利要求6所述防火隔音门扇的制备方法,其特征在于,所述的水泥为普通硅酸盐水泥、矿渣硅酸盐水泥、硫铝酸盐水泥和铝酸盐水泥中的一种或几种;所述的废弃建筑混凝土颗粒是将建筑混凝土垃圾破碎后筛分所得,其粒径为3~5mm;所述的轻集料为玻化微珠、膨胀珍珠岩、膨胀蛭石中的一种或几种;所述的防水剂为有机硅防水剂;所述的减水剂为聚羧酸或三聚氰胺磺酸盐甲醛缩合物。
8.如权利要求6所述防火隔音门扇的制备方法,其特征在于,轻质砂浆的制备方法为:将轻质砂浆原料的各组分按比例加入混料机中干混2~5min,加入拌合水后再混合6~10min,即可得到轻质砂浆。
9.如权利要求1所述防火隔音门扇的制备方法,所述预制垫块沿腔体底部对角线方向放置。
10.采用权利要求1-9任一方法制备得到的防火隔音门扇。
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