CN105967743A - 一种以稀土细尾砂制备的自清洁透水砖及其制作方法 - Google Patents

一种以稀土细尾砂制备的自清洁透水砖及其制作方法 Download PDF

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CN105967743A
CN105967743A CN201610152125.5A CN201610152125A CN105967743A CN 105967743 A CN105967743 A CN 105967743A CN 201610152125 A CN201610152125 A CN 201610152125A CN 105967743 A CN105967743 A CN 105967743A
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李根固
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Abstract

本发明公开了一种以稀土细尾砂制备的自清洁透水砖，本发明将花生秧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，可有效净化污水中的污染物，本发明以改性糖滤泥为成孔剂，稀土细尾砂、高炉矿渣、煤矸石为骨料，在实现稀土废弃资源再生利用的同时，获得了具有良好透水性和保水性、强度高的自清洁透水砖，从而有利于环境保护、并促进行业和地区经济以及城镇化建设的发展。

Description

一种以稀土细尾砂制备的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，尤其涉及一种以稀土细尾砂制备的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，提供一种以稀土细尾砂制备的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：
一种以稀土细尾砂制备的自清洁透水砖，由下列重量份的原料制成：稀土细尾砂32-34、高炉矿渣20-22、煤矸石13-15、水泥11-13、糖滤泥19-21、骨胶粉3-5、磷酸锌1.6-1.8、十六烷基三甲基溴化铵2.1-2.4、棕榈油5-7、纳米二氧化钛0.7-0.9、艾叶炭4-6、花生秧2-4、适量水。
所述的一种以稀土细尾砂制备的自清洁透水砖的制作方法，包括以下步骤：
（1）将花生秧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、艾叶炭、棕榈油研磨40-50分钟，烘干；
（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十六烷基三甲基溴化铵、磷酸锌和适量的水，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）将稀土细尾砂、高炉矿渣、煤矸石于690-740℃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：本发明将花生秧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，可有效净化污水中的污染物，本发明以改性糖滤泥为成孔剂，稀土细尾砂、高炉矿渣、煤矸石为骨料，在实现稀土废弃资源再生利用的同时，获得了具有良好透水性和保水性、强度高的自清洁透水砖，从而有利于环境保护、并促进行业和地区经济以及城镇化建设的发展。
具体实施方式
一种以稀土细尾砂制备的自清洁透水砖，由下列重量份的原料制成：稀土细尾砂32、高炉矿渣20、煤矸石13、水泥11、糖滤泥19、骨胶粉3、磷酸锌1.6、十六烷基三甲基溴化铵2.1、棕榈油5、纳米二氧化钛0.7、艾叶炭4、花生秧2、适量水。
所述的一种以稀土细尾砂制备的自清洁透水砖的制作方法，包括以下步骤：
（1）将花生秧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、艾叶炭、棕榈油研磨40分钟，烘干；
（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十六烷基三甲基溴化铵、磷酸锌和适量的水，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）将稀土细尾砂、高炉矿渣、煤矸石于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34.2 MPa，抗折强度达3.43MPa，透水系数为0.51cm/s。

Claims (2)

1.一种以稀土细尾砂制备的自清洁透水砖，其特征在于，由下列重量份的原料制成：稀土细尾砂32-34、高炉矿渣20-22、煤矸石13-15、水泥11-13、糖滤泥19-21、骨胶粉3-5、磷酸锌1.6-1.8、十六烷基三甲基溴化铵2.1-2.4、棕榈油5-7、纳米二氧化钛0.7-0.9、艾叶炭4-6、花生秧2-4、适量水。
2.根据权利要求1所述的一种以稀土细尾砂制备的自清洁透水砖的制作方法，其特征在于包括以下步骤：
（1）将花生秧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、艾叶炭、棕榈油研磨40-50分钟，烘干；
（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十六烷基三甲基溴化铵、磷酸锌和适量的水，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）将稀土细尾砂、高炉矿渣、煤矸石于690-740℃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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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN107500624A (zh) * 2017-08-22 2017-12-22 普定县银丰农业科技发展有限公司 一种透水砖及其制备方法
CN110015901A (zh) * 2019-05-10 2019-07-16 赵雅欣 自洁式煤矸石烧结透水砖的制备方法
CN111763037A (zh) * 2019-04-02 2020-10-13 北京恒泰岩磊科技有限公司 一种用于城区道路铺设的透水砖及其制备方法

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CN102535725A (zh) * 2012-02-17 2012-07-04 大连工业大学 一种镶嵌纳米二氧化钛的透水砖及其制备方法
CN104478420A (zh) * 2014-11-24 2015-04-01 景德镇陶瓷学院 一种以稀土尾砂制备的陶瓷透水砖及其制造方法

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CN102535725A (zh) * 2012-02-17 2012-07-04 大连工业大学 一种镶嵌纳米二氧化钛的透水砖及其制备方法
CN104478420A (zh) * 2014-11-24 2015-04-01 景德镇陶瓷学院 一种以稀土尾砂制备的陶瓷透水砖及其制造方法

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CN107500624A (zh) * 2017-08-22 2017-12-22 普定县银丰农业科技发展有限公司 一种透水砖及其制备方法
CN111763037A (zh) * 2019-04-02 2020-10-13 北京恒泰岩磊科技有限公司 一种用于城区道路铺设的透水砖及其制备方法
CN110015901A (zh) * 2019-05-10 2019-07-16 赵雅欣 自洁式煤矸石烧结透水砖的制备方法

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Application publication date: 20160928