CN104694814B - 一种防抗爆地坪材料及其制备方法 - Google Patents

一种防抗爆地坪材料及其制备方法 Download PDF

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CN104694814B
CN104694814B CN201510040712.0A CN201510040712A CN104694814B CN 104694814 B CN104694814 B CN 104694814B CN 201510040712 A CN201510040712 A CN 201510040712A CN 104694814 B CN104694814 B CN 104694814B
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曹洪生
王新民
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Cao Hongsheng
Wang Xinmin
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Beijing Jinwanke Decoration Engineering Co Ltd
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Abstract

本发明涉及一种防抗爆地坪材料及其制备方法。该材料是由化学成分质量百分比为：铁85％，锰8％，硅6％，余量为碳的铁合金材料和其他的辅料经过发泡、改性和防锈处理后制备得到的；在制备过程添加发泡剂和稀土，增强了该地坪材料的导静电性能，同时达到与混凝土同比容不产生堆积沉降，其次是提高了骨料表面毛糙度、多孔性，使粘接剂发挥最大效益，提高了骨料占比，最大限度的提高地面的防抗爆性能。

Description

一种防抗爆地坪材料及其制备方法
【技术领域】
本发明涉及地坪材料领域，尤其涉及一种防抗爆地坪材料及其制备方法。
【背景技术】
在工业建筑中，液化石油气站、煤气生产厂、烟花鞭炮生产厂、酒精生产厂，以及能产生粉尘爆炸的面粉厂、纺织厂等因有特殊的消防防爆要求，而对地面施工用的地坪材料要求很严，该地坪材料一定要具有不发火花的防爆特性，即当金属及其他坚硬物体与之发生撞击、摩擦时，不能发生任何火花(或火星)，因而能避免引起火灾及爆炸事故发生。
目前市场上防爆场所采用的地坪材料主要存在以下问题：1、施工时会有甲醛、甲苯等有害物质释放，污染环境；2、大多只具备防静电的功能，防火等级较低，无法满足市场防抗爆的需求；3、防静电不发火功能会随时间的推移而衰减，一般2～3年后就不再具备防静电的功能，且不具备不发火的功能4、成本较高。
防止爆炸的产生必须从三个必要条件来考虑，即爆炸点燃源、氧气、易燃物。限制了其中的一个必要条件，就限制了爆炸的产生。目前，易燃易爆场所内的机械等设备、人员均已采取措施避免爆炸点燃源的产生。而地面作为易燃易爆场所中十分重要的一部分也应该必须具备防爆的功能。防爆地面是从切断爆炸点燃源这一必要条件入手来防止爆炸发生的，引起爆炸点燃源的原因主要是各种摩擦、撞击或静电产生的火花，因此防抗爆地面应持久的、稳定的同时具备防静电、不发火功能。考虑到爆炸产生危害及二次燃烧危害，具有防抗爆需求的建筑物地面应具备抗冲击的功能；防火等级应为A1级。因此防抗爆地坪材料应具备：防静电、不发火、防火等级为A1级、抗爆抗冲击四个性能。
防抗爆地面的定义：工业厂房、库房的地面在施工过程中经过特殊的处理或添加某种特殊的材料，使其具备防静电、不发火、防火等级A1级、抗暴、耐冲击的功能、，不会因静电火花、摩擦、碰撞火花而引起闪燃、闪爆的地面。
【发明内容】
本发明的目的是为了克服现有技术的不足，提供一种防抗爆地坪材料及其制备方法。
本发明解决上述技术问题的技术方案如下：
该材料是由铁合金制备而成，所述铁合金的化学成分质量百分比为：铁85％，锰8％，硅6％，余量为碳。
该防抗爆地坪材料由以下成分组成：该防抗爆地坪材料由以下成分组成：铁合金100重量份，碳酸硅3重量份，稀土10重量份，亚硝酸钠5重量份，微硅粉8重量份，水泥20重量份，该防抗爆地坪材料方法包含如下步骤：
1)制备铁合金颗粒：将铁合金粉碎至-100目以下颗粒，再用磁选机磁选，除去杂质，然后用振动筛进行筛选，得到-100目左右的铁合金颗粒；
2)发泡：将步骤1)中的铁合金颗粒料装入烧结罐中送入高温炉里升温至1500℃，加入碳酸硅及稀土焙烧发泡30小时，焙烧发泡后的材料迅速冷却到室温，再经过粉碎机粉碎到100目左右，使其成为多孔隙状颗粒物；
3)改性：将步骤2)中得到的颗粒，送入焙烧炉升温至1000℃，加入稀土混合后迅速冷却至室温，经过粉碎机粉碎后，用振动筛筛选出-6目～+100目颗粒即得到具备撞击、摩擦时不产生火花的金属骨料；
4)防锈：将步骤3)中得到的颗粒，再次送入焙烧炉升温至1500℃，焙烧时加入惰性气体进行防锈保护，焙烧反应后的材料冷却至室温，经过粉碎机粉碎后，用振动筛筛选出-6目～+100目颗粒即得到具备不生锈功能的金属骨料；
5)向步骤4)中所得的金属骨料依次加入微硅粉、亚硝酸钠和水泥，用混料机均匀混合后，即得到防抗爆地坪材料。
本发明产品具有如下的特点：
1、防滑性同于一般水泥地面，同水泥基础材料施工时结合为一个整体不起层；洁净不起灰，抗压、抗折、抗拉，施工工期短，无污染属于环保产品；
2、强度是水磨石的3-5倍，抗冲击性比水磨石高2-3倍；
3、具有高耐磨、耐冲击、防静电，耐弱酸、耐盐碱、防锈蚀性能；
4、使用寿命较长(20-30年)
5、具有很强的防冻和耐热性能，最低耐温为-80℃，最高耐温为+200℃；
[有益效果]
本发明材料通过多次高温，多次添加不同量的稀土对金属骨料改性，使其具备防静电、不发火、防火等级A1级、抗暴、耐冲击的功能，不会因静电火花、摩擦、碰撞火花而引起闪燃、闪爆。将它同普通水泥拌和，敷设于刚筑成的混凝土表面，达到防抗爆的目的。本发明材料还使混凝土表面的耐磨性显著提高，同时也使得抗压、抗折、抗拉、抗冲击能力得到增强；并且施工、养护都非常方便，工程使用耐久性好，不起灰，大大改善了工业用房的室内环境，满足了市场的需求。
【具体实施方式】
针对地坪功能要求，本发明可采用不同配比的制备工艺，以制备出成本低，性能高的地面材料。
结合以下实施例对本发明的原理和特征进行描述，所举实例只用于解释本发明，并非用于限定本发明的范围。
实施例1：本发明材料的制备
1)制备铁合金颗粒：将化学成分质量百分比为：铁85％，锰8％，硅6％，余量为碳的铁合金粉碎至-100目以下颗粒，再用磁选机磁选，除去杂质，然后用振动筛进行筛选，得到-100目左右的铁合金颗粒；
2)发泡：将步骤1)中的铁合金颗粒料装入烧结罐中送入高温炉里升温至1500℃，加入碳酸硅及稀土焙烧发泡30小时，焙烧发泡后的材料迅速冷却到室温，再经过粉碎机粉碎到100目左右，使其成为多孔隙状颗粒物；
3)改性：将步骤2)中得到的颗粒，送入焙烧炉升温至1000℃，加入稀土混合后迅速冷却至室温，经过粉碎机粉碎后，用振动筛筛选出-6目～+100目颗粒即得到具备撞击、摩擦时不产生火花的金属骨料；
4)防锈：将步骤3)中得到的颗粒，再次送入焙烧炉升温至1500℃，焙烧时加入惰性气体进行防锈保护，焙烧反应后的材料冷却至室温，经过粉碎机粉碎后，用振动筛筛选出-6目～+100目颗粒即得到具备不生锈功能的金属骨料；
5)向步骤4)中所得的金属骨料依次加入微硅粉、亚硝酸钠和水泥，用混料机均匀混合后，即得到防抗爆地坪材料。
应用实施例1：
中国飞行试验研究院2010年初将依发明实施例1中的防抗爆地坪材料铺设于飞机修理棚，施工面积3000平方米，该地面使用至今没有发生任何起火花事故，证明了本发明材料在实际应用中完全满足特殊工业对地面防抗爆的要求。该材料的各性能参数及特点详见表一。
表一：本发明材料的性能特点
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。

Claims (1)

1.一种防抗爆地坪材料，其特征在于，该防抗爆地坪材料由以下成分组成：铁合金100重量份，碳酸硅3重量份，稀土10重量份，亚硝酸钠5重量份，微硅粉8重量份，水泥20重量份，所述铁合金的化学成分质量百分比为：铁85％，锰8％，硅6％，余量为碳；该防抗爆地坪材料方法包含如下步骤：
1)制备铁合金颗粒：将铁合金粉碎至-100目颗粒，再用磁选机磁选，除去杂质，然后用振动筛进行筛选，得到-100目的铁合金颗粒；
2)发泡：将步骤1)中的铁合金颗粒料装入烧结罐中送入高温炉里升温至1500℃，加入碳酸硅及稀土焙烧发泡30小时，焙烧发泡后的材料迅速冷却到室温，再经过粉碎机粉碎到100目，使其成为多孔隙状颗粒物；
3)改性：将步骤2)中得到的颗粒，送入焙烧炉升温至1000℃，加入稀土混合后迅速冷却至室温，经过粉碎机粉碎后，用振动筛筛选出-6目～+100目颗粒即得到具备撞击、摩擦时不产生火花的金属骨料；
4)防锈：将步骤3)中得到的颗粒，再次送入焙烧炉升温至1500℃，焙烧时加入惰性气体进行防锈保护，焙烧反应后的材料冷却至室温，经过粉碎机粉碎后，用振动筛筛选出-6目～+100目颗粒即得到具备不生锈功能的金属骨料；
5)向步骤4)中所得的金属骨料依次加入微硅粉、亚硝酸钠和水泥,用混料机均匀混合后，即得到防抗爆地坪材料。
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US15/527,326 US10378219B2 (en) 2015-01-26 2015-08-10 Anti-explosion terrace material and manufacturing method therefor
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