CN105418151A - 一种吸音降噪自清洁透水砖及其制作方法 - Google Patents

一种吸音降噪自清洁透水砖及其制作方法 Download PDF

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CN105418151A
CN105418151A CN201510763391.7A CN201510763391A CN105418151A CN 105418151 A CN105418151 A CN 105418151A CN 201510763391 A CN201510763391 A CN 201510763391A CN 105418151 A CN105418151 A CN 105418151A
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permeable brick
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李诺
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Hefei Linuo New Materials Trade Co Ltd
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Abstract

本发明公开了一种吸音降噪自清洁透水砖，本发明将核桃壳炭化处理后经室温研磨，孔隙表面吸附光催化材料纳米二氧化钛，经光照射时生成羟基自由基、超氧离子自由基以及H2O自由基均具有很强的氧化、分解能力，将各种有机物直接氧化为CO2和H2O等无机小分子，应用于透水砖中不仅可以降解大气中的汽车尾气等，还具有较强的吸附性，吸音降噪效果佳，本发明以改性糖滤泥为成孔剂，锌渣、硅线石、铝质粘土为骨料，经高温烧结后制得的透水砖孔隙率大自清洁效果优，不仅具有高透水性，还具有很好的吸声效果，起到降噪的作用，还具有很好吸附重金属离子和过滤作用，有利环保，大大减少环境压力，而且制造方法简单。

Description

一种吸音降噪自清洁透水砖及其制作方法
技术领域
本发明涉及建筑材料技术领域，尤其涉及一种吸音降噪自清洁透水砖及其制作方法。
背景技术
随着城市水资源的不断匾乏，以及城市环境人性化的追求，透水砖的研发引起了材料、环境和市政工程专家的广泛关注。透水砖具有良好的渗水性及保湿性，能很好的缓解城市由于被非透水地面铺装覆盖造成的“城市荒漠化”及“热岛效应”，还可以在一定程度上缓解城市内涝，补充城市地下水，调节城市环境，有利于保持城市水平衡。现有的透水砖向高密实、高强度方向发展，其抗压强度比较高，但依然存在诸多缺陷，一方面是透水性非常差，即使有透水性能好的砖块，但其抗压强度达不到路面铺装要求，同时透水砖经过长期使用，表面以及孔隙很容易落入各种污物形成堵塞而不能自动清除，削弱了透水效果，生态效果较差，并且使用中对排水设施的要求较高，如遇到雨后排水不畅的情况发生，则易产生积水问题。另一方面现有的技术生产的透水砖功能较为单一，它们只是简单的使降水透过砖体渗入地下，不能有效去除水中所含污染物，对透过砖体的污水起不到净化作用。为解决这些问题，需要开发一种新型的同时具有透水和净化功能的自清洁透水砖。
发明内容
本发明目的就是为了弥补已有技术的缺陷，提供一种吸音降噪自清洁透水砖及其制作方法。
本发明是通过以下技术方案实现的：
一种吸音降噪自清洁透水砖，由下列重量份的原料制成：锌渣33-35、硅线石12-14、铝质粘土18-20、水泥12-14、糖滤泥23-24、蛋壳8-10、氧化铝空心微球6-8、核桃壳7-9、硝酸铁1-3、田菁胶4-6、氧化锡锑1.2-1.4、纳米二氧化钛0.8-1.1、碳化钨蜡粉9-12、适量水。
所述的一种吸音降噪自清洁透水砖的制作方法，包括以下步骤：
（1）将核桃壳烘干放入炭化炉中于450-500℃的温度下，隔绝空气炭化20-30分钟，冷却至室温加入纳米二氧化钛、氧化锡锑、碳化钨蜡粉研磨40-50分钟；
（2）将糖滤泥水洗后于50-60℃温度下烘干，送入高速混合机中加入田菁胶、氧化铝空心微球、硝酸铁、蛋壳和适量的水，以1400-1500转/min的速度高速搅拌15-20分钟，干燥，超声研磨成粉烘干；
（3）将锌渣、硅线石、铝质粘土于690-780℃高温煅烧处理后粉碎至120-140目，加入步骤（1）、（2）物料及其他剩余成分混匀，投入球磨机中球磨2-3小时，喷水造粒、陈化2天后压制成生砖坯；
（4）将生砖坯自然晾晒风干，在箱式电阻炉中于1060-1100℃烧结1-2小时，自然冷却至室温出料。
本发明的优点是：本发明将核桃壳炭化处理后经室温研磨，孔隙表面吸附光催化材料纳米二氧化钛，经光照射时生成羟基自由基、超氧离子自由基以及H2O自由基均具有很强的氧化、分解能力，将各种有机物直接氧化为CO2和H2O等无机小分子，应用于透水砖中不仅可以降解大气中的汽车尾气等，还具有较强的吸附性，吸音降噪效果佳，本发明以改性糖滤泥为成孔剂，锌渣、硅线石、铝质粘土为骨料，经高温烧结后制得的透水砖孔隙率大自清洁效果优，不仅具有高透水性，还具有很好的吸声效果，起到降噪的作用，还具有很好吸附重金属离子和过滤作用，有利环保，大大减少环境压力，而且制造方法简单。
具体实施方式
一种吸音降噪自清洁透水砖，由下列重量份的原料制成：锌渣33、硅线石12、铝质粘土18、水泥12、糖滤泥23、蛋壳8、氧化铝空心微球6、核桃壳7、硝酸铁1、田菁胶4、氧化锡锑1.2、纳米二氧化钛0.8、碳化钨蜡粉9、适量水。
所述的一种吸音降噪自清洁透水砖的制作方法，包括以下步骤：
（1）将核桃壳烘干放入炭化炉中于450℃的温度下，隔绝空气炭化20分钟，冷却至室温加入纳米二氧化钛、氧化锡锑、碳化钨蜡粉研磨40分钟；
（2）将糖滤泥水洗后于50℃温度下烘干，送入高速混合机中加入田菁胶、氧化铝空心微球、硝酸铁、蛋壳和适量的水，以1400转/min的速度高速搅拌15分钟，干燥，超声研磨成粉烘干；
（3）将锌渣、硅线石、铝质粘土于690℃高温煅烧处理后粉碎至120目，加入步骤（1）、（2）物料及其他剩余成分混匀，投入球磨机中球磨2小时，喷水造粒、陈化2天后压制成生砖坯；
（4）将生砖坯自然晾晒风干，在箱式电阻炉中于1060℃烧结1小时，自然冷却至室温出料。
使用本发明生产的自清洁透水砖的技术参数指标如下：透水砖的抗压强度可达34.3MPa，抗折强度达3.32MPa，透水系数为0.4cm/s。

Claims (2)

1.一种吸音降噪自清洁透水砖，其特征在于，由下列重量份的原料制成：锌渣33-35、硅线石12-14、铝质粘土18-20、水泥12-14、糖滤泥23-24、蛋壳8-10、氧化铝空心微球6-8、核桃壳7-9、硝酸铁1-3、田菁胶4-6、氧化锡锑1.2-1.4、纳米二氧化钛0.8-1.1、碳化钨蜡粉9-12、适量水。
2.根据权利要求1所述的一种吸音降噪自清洁透水砖的制作方法，其特征在于包括以下步骤：
（1）将核桃壳烘干放入炭化炉中于450-500℃的温度下，隔绝空气炭化20-30分钟，冷却至室温加入纳米二氧化钛、氧化锡锑、碳化钨蜡粉研磨40-50分钟；
（2）将糖滤泥水洗后于50-60℃温度下烘干，送入高速混合机中加入田菁胶、氧化铝空心微球、硝酸铁、蛋壳和适量的水，以1400-1500转/min的速度高速搅拌15-20分钟，干燥，超声研磨成粉烘干；
（3）将锌渣、硅线石、铝质粘土于690-780℃高温煅烧处理后粉碎至120-140目，加入步骤（1）、（2）物料及其他剩余成分混匀，投入球磨机中球磨2-3小时，喷水造粒、陈化2天后压制成生砖坯；
（4）将生砖坯自然晾晒风干，在箱式电阻炉中于1060-1100℃烧结1-2小时，自然冷却至室温出料。
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