CN105967646A - 一种保水率高的自清洁透水砖及其制作方法 - Google Patents
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Abstract
本发明公开了一种保水率高的自清洁透水砖,本发明将石榴皮、檀香、贯众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,本发明利用建筑废弃物经资源化处理后生产再生骨料生态透水砖,既推动了建筑废弃物资源化利用工作,提高产品附加值,同时节约大量天然砂石资源,制得的透水砖具有保水率高、强度高、透水性好等优点。
Description
技术领域
本发明涉及建筑材料技术领域,尤其涉及一种保水率高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,提供一种保水率高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:
一种保水率高的自清洁透水砖,由下列重量份的原料制成:废加气混凝土颗粒30-33、紫砂土25-26、生石灰18-20、水泥7-9、糖滤泥17-19、海泡石绒9-11、硅油4-6、硅酸钠0.7-0.8、石墨烯2.1-2.3、纳米二氧化钛0.4-0.6、三氧化二铑2.2-2.5、硅烷偶联剂KH5805-7、石榴皮6-8、檀香1-2、贯众2-3、适量水。
所述的一种保水率高的自清洁透水砖的制作方法,包括以下步骤:
(1)将石榴皮、檀香、贯众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、硅烷偶联剂KH580、石墨烯研磨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硅油、硅酸钠、三氧化二铑和适量的水,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)将废加气混凝土颗粒、紫砂土于680-730℃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:本发明将石榴皮、檀香、贯众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,本发明利用建筑废弃物经资源化处理后生产再生骨料生态透水砖,既推动了建筑废弃物资源化利用工作,提高产品附加值,同时节约大量天然砂石资源,制得的透水砖具有保水率高、强度高、透水性好等优点。
具体实施方式
一种保水率高的自清洁透水砖,由下列重量份的原料制成:废加气混凝土颗粒30、紫砂土25、生石灰18、水泥7、糖滤泥17、海泡石绒9、硅油4、硅酸钠0.7、石墨烯2.1、纳米二氧化钛0.4、三氧化二铑2.2、硅烷偶联剂KH5805、石榴皮6、檀香1、贯众2、适量水。
所述的一种保水率高的自清洁透水砖的制作方法,包括以下步骤:
(1)将石榴皮、檀香、贯众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、硅烷偶联剂KH580、石墨烯研磨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硅油、硅酸钠、三氧化二铑和适量的水,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)将废加气混凝土颗粒、紫砂土于680℃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35.7MPa,抗折强度达3.47MPa,透水系数为0.57cm/s。
Claims (2)
1.一种保水率高的自清洁透水砖,其特征在于,由下列重量份的原料制成:废加气混凝土颗粒30-33、紫砂土25-26、生石灰18-20、水泥7-9、糖滤泥17-19、海泡石绒9-11、硅油4-6、硅酸钠0.7-0.8、石墨烯2.1-2.3、纳米二氧化钛0.4-0.6、三氧化二铑2.2-2.5、硅烷偶联剂KH5805-7、石榴皮6-8、檀香1-2、贯众2-3、适量水。
2.根据权利要求1所述的一种保水率高的自清洁透水砖的制作方法,其特征在于包括以下步骤:
(1)将石榴皮、檀香、贯众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、硅烷偶联剂KH580、石墨烯研磨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硅油、硅酸钠、三氧化二铑和适量的水,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)将废加气混凝土颗粒、紫砂土于680-730℃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 (4)
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CN107602072A (zh) * | 2017-10-31 | 2018-01-19 | 广西旭腾实业集团有限公司 | 一种基于石墨烯与固态废弃物的透水砖及其制备方法 |
CN108424121A (zh) * | 2018-04-03 | 2018-08-21 | 浙江水利水电学院 | 一种环保生态透水砖及其制作方法 |
CN109650831A (zh) * | 2018-12-20 | 2019-04-19 | 贵州安凯达实业股份有限公司 | 一种高强度透水路面砖及其制备方法 |
CN110156488A (zh) * | 2019-04-30 | 2019-08-23 | 柳州柳晶环保科技有限公司 | 一种高强度抗菌环保透水砖及其制备方法 |
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CN1420233A (zh) * | 2001-11-17 | 2003-05-28 | 山东中博先进材料股份有限公司 | 渗水地砖及其制备方法 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107602072A (zh) * | 2017-10-31 | 2018-01-19 | 广西旭腾实业集团有限公司 | 一种基于石墨烯与固态废弃物的透水砖及其制备方法 |
CN107602072B (zh) * | 2017-10-31 | 2019-01-04 | 广西旭腾实业集团有限公司 | 一种基于石墨烯与固态废弃物的透水砖及其制备方法 |
CN108424121A (zh) * | 2018-04-03 | 2018-08-21 | 浙江水利水电学院 | 一种环保生态透水砖及其制作方法 |
CN109650831A (zh) * | 2018-12-20 | 2019-04-19 | 贵州安凯达实业股份有限公司 | 一种高强度透水路面砖及其制备方法 |
CN110156488A (zh) * | 2019-04-30 | 2019-08-23 | 柳州柳晶环保科技有限公司 | 一种高强度抗菌环保透水砖及其制备方法 |
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