CN107698242A - 一种添加建筑垃圾的轻质保温烧结砖 - Google Patents

一种添加建筑垃圾的轻质保温烧结砖 Download PDF

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CN107698242A
CN107698242A CN201710924088.XA CN201710924088A CN107698242A CN 107698242 A CN107698242 A CN 107698242A CN 201710924088 A CN201710924088 A CN 201710924088A CN 107698242 A CN107698242 A CN 107698242A
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曹结海
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Wangjiang County Zhongshan New Building Materials Co Ltd
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Abstract

本发明公开了一种添加建筑垃圾的轻质保温烧结砖，其原料按重量份包括：建筑垃圾30‑50份、石棉粉15‑35份、海泡石5‑15份、玻璃纤维6‑12份、多孔粉石英4‑10份、硅溶胶1‑4份、氧化聚乙烯蜡1‑3份、羟基硅油1‑2份、古马隆树脂1‑2份、硝酸溶液2‑8份、柠檬酸钠1‑2份、氨水1‑2份、水60‑100份。本发明在满足抗压强度的要求同时，降低了生产成本，并具有轻质保温性能，解决了建筑垃圾的处理难题，解决建筑垃圾所造成环境污染问题，保护了耕地资源。

Description

一种添加建筑垃圾的轻质保温烧结砖
技术领域
本发明涉及保温烧结砖技术领域，尤其涉及一种添加建筑垃圾的轻质保温烧结砖。
背景技术
目前，公知的建筑业和科技农业中阳光温室墙体大多采用烧制土砖，砖体夹气保温效果虽好，但重量大，需要耗费大量农耕土壤，目前国家为了节约土地资源，已经限制了传统粘土砖的生产。
因此推广节约土地资源的轻质砖事在必行。现有的轻质砖，为了达到轻质的效果，保温效果降低明显，亟待解决。
发明内容
本发明提出了一种添加建筑垃圾的轻质保温烧结砖，其在满足抗压强度的要求同时，降低了生产成本，并具有轻质保温性能，解决了建筑垃圾的处理难题，解决建筑垃圾所造成环境污染问题，保护了耕地资源。
本发明提出了一种添加建筑垃圾的轻质保温烧结砖，其原料按重量份包括：建筑垃圾30-50份、石棉粉15-35份、海泡石5-15份、玻璃纤维6-12份、多孔粉石英4-10份、硅溶胶1-4份、氧化聚乙烯蜡1-3份、羟基硅油1-2份、古马隆树脂1-2份、硝酸溶液2-8份、柠檬酸钠1-2份、氨水1-2份、水60-100份。
优选地，硝酸溶液的浓度为2.5-4.5wt％。
优选地，石棉粉的比重为2.15-2.27，比热为0.21-0.23，其纤维长度为5-18mm。
优选地，玻璃纤维的单丝直径为20-50μm，密度2.7-2.9g/cm3，其中氧化钠含量为2.2-3.7wt％。
优选地，建筑垃圾、石棉粉、海泡石的重量配比为42-48：20-27：8-12。
优选地，玻璃纤维、多孔粉石英、硅溶胶的重量配比为8-10：6-8：2-3。
优选地，氧化聚乙烯蜡、羟基硅油、古马隆树脂的重量配比为1.5-2：1.2-1.6：1.4-1.8。
优选地，所述的添加建筑垃圾的轻质保温烧结砖，其原料按重量份包括：建筑垃圾42-48份、石棉粉20-27份、海泡石8-12份、玻璃纤维8-10份、多孔粉石英6-8份、硅溶胶2-3份、氧化聚乙烯蜡1.5-2份、羟基硅油1.2-1.6份、古马隆树脂1.4-1.8份、硝酸溶液3-5份、柠檬酸钠1.2-1.5份、氨水1.5-1.8份、水70-80份。
本发明将建筑垃圾作为骨料，加入一定比例的石棉复合物并与其它添加剂复配烧结，得到表面和内部均分布有空穴的轻质保温烧结砖。与普通粘土烧结砖相比，在满足抗压强度的要求同时，降低了生产成本，并具有轻质保温性能，解决了建筑垃圾的处理难题，解决建筑垃圾所造成环境污染问题，保护了耕地资源，实现了建筑垃圾的循环利用并满足了建筑节能的需要。
其中氧化聚乙烯蜡主要为长链饱和烃构成，通过采用羟基硅油、古马隆树脂高温处理，乳化性能极强，石棉份可充分分散其中，与海泡石有机结合，海泡石吸附在预处理石棉纤维表面，相互间结合强度极高，与建筑垃圾的分散均匀度极高，在反应中相互构成结构紧凑的复合颗粒粒子，不仅强度更高，且更利于形成保温的形态结构，提高了砖块的保温效果；湿料与多孔粉石英、柠檬酸钠、氨水复配，并通过合理控制各组分间配比，制品在保证抗冲击强度高的前提下，会在砖块结构中形成具有一定孔隙率的结构，既保证了砖块有一定的机械强度，也使砖块之间形成空气隔热层，提高了保温性能。
本发明抗压强度可达到27MPa以上，可承受载荷高达570kg/m2，导热系数不大于0.21w/m.k，保温砖体密度为0.7-0.75g/cm，耐火度不低于890℃，在800℃×8h下线变化小于0.5％，有利于提高建筑物的整体强度。
具体实施方式
实施例1
一种添加建筑垃圾的轻质保温烧结砖，其原料按重量份包括：建筑垃圾30份、石棉粉35份、海泡石5份、玻璃纤维12份、多孔粉石英4份、硅溶胶4份、氧化聚乙烯蜡1份、羟基硅油2份、古马隆树脂1份、硝酸溶液8份、柠檬酸钠1份、氨水2份、水60份。
实施例2
一种添加建筑垃圾的轻质保温烧结砖，其原料按重量份包括：建筑垃圾50份、石棉粉15份、海泡石15份、玻璃纤维6份、多孔粉石英10份、硅溶胶1份、氧化聚乙烯蜡3份、羟基硅油1份、古马隆树脂2份、硝酸溶液2份、柠檬酸钠2份、氨水1份、水100份。
实施例3
一种添加建筑垃圾的轻质保温烧结砖，其原料按重量份包括：建筑垃圾42份、石棉粉27份、海泡石8份、玻璃纤维10份、多孔粉石英6份、硅溶胶3份、氧化聚乙烯蜡1.5份、羟基硅油1.6份、古马隆树脂1.4份、硝酸溶液5份、柠檬酸钠1.2份、氨水1.8份、水70份。
实施例4
一种添加建筑垃圾的轻质保温烧结砖，其原料按重量份包括：建筑垃圾48份、石棉粉20份、海泡石12份、玻璃纤维8份、多孔粉石英8份、硅溶胶2份、氧化聚乙烯蜡2份、羟基硅油1.2份、古马隆树脂1.8份、硝酸溶液3份、柠檬酸钠1.5份、氨水1.5份、水80份。
实施例5
一种添加建筑垃圾的轻质保温烧结砖，其原料按重量份包括：建筑垃圾46份、石棉粉24份、海泡石11份、玻璃纤维9份、多孔粉石英7份、硅溶胶2.4份、氧化聚乙烯蜡1.8份、羟基硅油1.4份、古马隆树脂1.6份、硝酸溶液4份、柠檬酸钠1.3份、氨水1.6份、水76份。
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，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (8)

1.一种添加建筑垃圾的轻质保温烧结砖，其特征在于，其原料按重量份包括：建筑垃圾30-50份、石棉粉15-35份、海泡石5-15份、玻璃纤维6-12份、多孔粉石英4-10份、硅溶胶1-4份、氧化聚乙烯蜡1-3份、羟基硅油1-2份、古马隆树脂1-2份、硝酸溶液2-8份、柠檬酸钠1-2份、氨水1-2份、水60-100份。
2.根据权利要求1所述的添加建筑垃圾的轻质保温烧结砖，其特征在于，硝酸溶液的浓度为2.5-4.5wt％。
3.根据权利要求1所述的添加建筑垃圾的轻质保温烧结砖，其特征在于，石棉粉的比重为2.15-2.27，比热为0.21-0.23，其纤维长度为5-18mm。
4.根据权利要求1所述的添加建筑垃圾的轻质保温烧结砖，其特征在于，玻璃纤维的单丝直径为20-50μm，密度2.7-2.9g/cm3，其中氧化钠含量为2.2-3.7wt％。
5.根据权利要求1-4任一项所述的添加建筑垃圾的轻质保温烧结砖，其特征在于，建筑垃圾、石棉粉、海泡石的重量配比为42-48：20-27：8-12。
6.根据权利要求1-5任一项所述的添加建筑垃圾的轻质保温烧结砖，其特征在于，玻璃纤维、多孔粉石英、硅溶胶的重量配比为8-10：6-8：2-3。
7.根据权利要求1-6任一项所述的添加建筑垃圾的轻质保温烧结砖，其特征在于，氧化聚乙烯蜡、羟基硅油、古马隆树脂的重量配比为1.5-2：1.2-1.6：1.4-1.8。
8.根据权利要求1-7任一项所述的添加建筑垃圾的轻质保温烧结砖，其特征在于，其原料按重量份包括：建筑垃圾42-48份、石棉粉20-27份、海泡石8-12份、玻璃纤维8-10份、多孔粉石英6-8份、硅溶胶2-3份、氧化聚乙烯蜡1.5-2份、羟基硅油1.2-1.6份、古马隆树脂1.4-1.8份、硝酸溶液3-5份、柠檬酸钠1.2-1.5份、氨水1.5-1.8份、水70-80份。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108751835A (zh) * 2018-07-05 2018-11-06 安徽建邦建材有限公司 一种用于建筑墙体的保温砖
CN108752041A (zh) * 2018-07-05 2018-11-06 安徽建邦建材有限公司 一种高抗压强度的保温砖制备方法

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