CN107500627A - 一种尾矿砂模块砖的制备方法 - Google Patents
一种尾矿砂模块砖的制备方法 Download PDFInfo
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- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
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- C04B20/1018—Coating or impregnating with organic materials
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
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Abstract
本发明提供一种尾矿砂模块砖的制备方法,本发明用正硅酸乙酯形成溶液对尾矿砂进行浸渍,恒温干燥,在尾矿砂表面和内部形成了纳米二氧化硅,提高了分散性,与水泥的结合牢固增加,提高了模块砖的强度;同时在内部孔隙形成纳米孔洞,能够隔热,提高了砖的保温性。同时砖具有抗菌性和防污性。
Description
技术领域
本发明涉及橡胶模块砖领域,尤其涉及一种尾矿砂模块砖的制备方法。
背景技术
随着人民生活水平的提高,生活垃圾已成为影响人们生活质量的绊脚石,特别是尾矿砂、废料等让人们望而生畏,现在用的砖存在易段、易变形、承受压力小和造价高的缺点,现设计一种新的环保砖既能处理垃圾又能提高现有砖的质量。
矿区的尾矿砂和废料严重污染环境,如果进行合理的利用能够减少环境污染,也有具有更好的经济价值。现有的模块砖的保温隔热性能不好,而且耐水性、防污性不好。
发明内容
本发明目的就是为了弥补已有技术的缺陷,提供一种尾矿砂模块砖的制备方法。
本发明是通过以下技术方案实现的:
一种尾矿砂模块砖的制备方法,步骤为:
(1)将尾矿砂清洗,粉碎,过筛;
(2)按在室温下将正硅酸乙酯:无水乙醇按体积比38-40:80-85混合均匀成A液,将浓硝酸:无水乙醇:去离子水按体积比1:38-39:2.8-3.1混合成B液;
(2)边搅拌边将B液滴加入A液中,滴速为4-6秒1滴,滴加完毕后在300-400r/min下搅拌1-1.5小时,得到溶液;
(3)将尾矿砂粉浸渍在溶液中,过滤,在60-65℃下恒温干燥,得到改性尾矿砂粉;
(4)将改性尾矿砂粉与水泥、水、减水剂混合均匀,倒入模具成型,养护,即得尾矿砂模块砖。
尾矿砂先过30-50目筛,去除粗粒,再过150-200目筛,去除细粉。
步骤(2)中A液:B液的体积比为40-43:19-20。
步骤(3)中恒温干燥23-24小时。
改性尾矿砂粉:水泥:水:减水剂的质量比为100-110:20-23:6.5-7:0.3-0.5。
本发明的优点是:本发明用正硅酸乙酯形成溶液对尾矿砂进行浸渍,恒温干燥,在尾矿砂表面和内部形成了纳米二氧化硅,提高了分散性,与水泥的结合牢固增加,提高了模块砖的强度;同时在内部孔隙形成纳米孔洞,能够隔热,提高了砖的保温性。同时砖具有抗菌性和防污性。
具体实施方式
一种尾矿砂模块砖的制备方法,步骤为:
(1)将尾矿砂清洗,粉碎,过筛;
(2)按在室温下将正硅酸乙酯:无水乙醇按体积比38:83混合均匀成A液,将浓硝酸:无水乙醇:去离子水按体积比1:38:2.8混合成B液;
(2)边搅拌边将B液滴加入A液中,滴速为4秒1滴,滴加完毕后在300r/min下搅拌1小时,得到溶液;
(3)将尾矿砂粉浸渍在溶液中,过滤,在60℃下恒温干燥,得到改性尾矿砂粉;
(4)将改性尾矿砂粉与水泥、水、减水剂混合均匀,倒入模具成型,养护,即得尾矿砂模块砖。
尾矿砂先过50目筛,去除粗粒,再过200目筛,去除细粉。
步骤(2)中A液:B液的体积比为43:19。
步骤(3)中恒温干燥23小时。
改性尾矿砂粉:水泥:水:减水剂的质量比为100:20:6.5:0.3。
Claims (5)
1.一种尾矿砂模块砖的制备方法,其特征在于,步骤为:
(1)将尾矿砂清洗,粉碎,过筛;
(2)按在室温下将正硅酸乙酯:无水乙醇按体积比38-40:80-85混合均匀成A液,将浓硝酸:无水乙醇:去离子水按体积比1:38-39:2.8-3.1混合成B液;
(2)边搅拌边将B液滴加入A液中,滴速为4-6秒1滴,滴加完毕后在300-400r/min下搅拌1-1.5小时,得到溶液;
(3)将尾矿砂粉浸渍在溶液中,过滤,在60-65℃下恒温干燥,得到改性尾矿砂粉;
(4)将改性尾矿砂粉与水泥、水、减水剂混合均匀,倒入模具成型,养护,即得尾矿砂模块砖。
2.如权利要求1所述尾矿砂模块砖的制备方法,其特征在于,尾矿砂先过30-50目筛,去除粗粒,再过150-200目筛,去除细粉。
3.如权利要求1所述尾矿砂模块砖的制备方法,其特征在于,步骤(2)中A液:B液的体积比为40-43:19-20。
4.如权利要求1所述尾矿砂模块砖的制备方法,其特征在于,步骤(3)中恒温干燥23-24小时。
5.如权利要求1所述尾矿砂模块砖的制备方法,其特征在于,改性尾矿砂粉:水泥:水:减水剂的质量比为100-110:20-23:6.5-7:0.3-0.5。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108409289A (zh) * | 2018-04-19 | 2018-08-17 | 杨帮燕 | 一种道路防滑砖的制备方法 |
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JP2004202331A (ja) * | 2002-12-25 | 2004-07-22 | Terunaito:Kk | 無機汚泥の濃縮粒状化処理方法 |
CN102040360A (zh) * | 2010-11-17 | 2011-05-04 | 沈阳工业大学 | 一种高耐候性尾矿砂砖及其制备方法 |
CN102126730A (zh) * | 2010-12-13 | 2011-07-20 | 聊城大学 | 一种硼酸铜/SiO2复合微粒的制备方法 |
CN102603248A (zh) * | 2012-03-23 | 2012-07-25 | 北京建筑工程学院 | 一种尾矿砂砂浆干混料及应用该干混料的砂浆制备方法 |
CN104496385A (zh) * | 2014-11-28 | 2015-04-08 | 张家港市华孚实业有限公司 | 一种用于野外的保温材料 |
CN104529301A (zh) * | 2014-12-23 | 2015-04-22 | 太原理工大学 | 含纳米珍珠岩的建筑保温混凝土及其制备方法 |
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Patent Citations (6)
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JP2004202331A (ja) * | 2002-12-25 | 2004-07-22 | Terunaito:Kk | 無機汚泥の濃縮粒状化処理方法 |
CN102040360A (zh) * | 2010-11-17 | 2011-05-04 | 沈阳工业大学 | 一种高耐候性尾矿砂砖及其制备方法 |
CN102126730A (zh) * | 2010-12-13 | 2011-07-20 | 聊城大学 | 一种硼酸铜/SiO2复合微粒的制备方法 |
CN102603248A (zh) * | 2012-03-23 | 2012-07-25 | 北京建筑工程学院 | 一种尾矿砂砂浆干混料及应用该干混料的砂浆制备方法 |
CN104496385A (zh) * | 2014-11-28 | 2015-04-08 | 张家港市华孚实业有限公司 | 一种用于野外的保温材料 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108409289A (zh) * | 2018-04-19 | 2018-08-17 | 杨帮燕 | 一种道路防滑砖的制备方法 |
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