CN108585768A - 一种微孔过滤净化石及其制备方法 - Google Patents

一种微孔过滤净化石及其制备方法 Download PDF

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CN108585768A
CN108585768A CN201810390257.0A CN201810390257A CN108585768A CN 108585768 A CN108585768 A CN 108585768A CN 201810390257 A CN201810390257 A CN 201810390257A CN 108585768 A CN108585768 A CN 108585768A
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micro porous
porous filtration
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吴昌胜
杨瑞洪
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Yangzhou Polytechnic Institute
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Abstract

一种微孔过滤净化石及其制备方法，它涉及过滤材料技术领域；它由如下质量百分比的原料组成：莫来石15～20％、堇青石10～15％、粉煤灰15～25％、废玻璃45～55％、石灰石8～12％、硅灰石8～12％、粘土8～12％。粉料球粒装入耐热钢窑具中送到烧成辊道窑中进行煅烧，烧制气氛为氧化焰，以城市煤气为燃料，烧成温度850℃，烧成周期2.5h，粉料球粒经预热、升温、烧成、保温、冷却。本发明所述的一种微孔过滤净化石及其制备方法，制得的微孔过滤净化石过滤精度高，透水性能好，水处理效率高，利用废物，制备成本低，保护环境，节约资源。

Description

一种微孔过滤净化石及其制备方法
技术领域
本发明涉及过滤材料技术领域，具体涉及一种微孔过滤净化石及其制备方法。
背景技术
微孔过滤可以滤除液体、气体的0.1um以上的微粒和细菌，具有过滤精度高、过渡速度快、吸附少、无介质脱落、耐酸碱腐蚀、操作方便等优点。微孔陶瓷是一种以气孔为主相的无机非金属材料，一般以碳化硅、氧化铝或莫来石等为骨料，掺和一定量的粘结剂、成孔剂和稀土抗蚀剂后经高温烧制而成，主要依靠成孔剂形成内部孔道相互贯通的微孔结构。微孔陶瓷是一种具有大量开口气孔、孔径一般为微米级或者亚微米级的多孔陶瓷，被广泛的应用于气体过滤、液体澄清和固液分离，应用范围遍及石油、化工、环保、能源及医药等诸多科学领域。
近几年来，微孔陶瓷特殊的微孔结构、良好的渗透性能和再生性能使其成为水处理尤其是饮用水处理的重要过滤材料。如何制备过滤精度高、透水性能好的微孔陶瓷材料，使其能够很好地应用于饮用水过滤是当今人们研究的重要课题。
发明内容
本发明的目的在于针对现有技术的缺陷和不足，提供一种过滤精度高、透水性能好的微孔过滤净化石及其制备方法。
为实现上述目的，本发明采用的技术方案是：一种微孔过滤净化石，它由如下质量百分比的原料组成：莫来石15～20％、堇青石10～15％、粉煤灰15～25％、废玻璃45～55％、石灰石8～12％、硅灰石8～12％、粘土8～12％。
作为优选，所述的莫来石和堇青石的粒径为150～300μm。
作为优选，所述的粉煤灰、石灰石和硅灰石的粒径为0.2～0.5mm。
一种微孔过滤净化石的制备方法，它包含如下步骤：
1、称取莫来石15～20％、堇青石10～15％、粉煤灰15～25％、废玻璃45～55％、石灰石8～12％、硅灰石8～12％、粘土8～12％，用雷蒙磨分别研磨莫来石和堇青石的混合物以及粉煤灰、石灰石和硅灰石的混合物至干粉状态，过筛，分别得到粒径为150～300μm的莫来石、堇青石混合物和粒径为0.2～0.5mm的粉煤灰、石灰石和硅灰石混合物；
2、将上述步骤1所得的干粉物料放入浆池搅拌，用双缸泥浆泵输送经过二次过筛存入储浆池，再用双缸泥浆泵输送至喷雾干燥造粒车间的伺服罐内，共喷雾干燥塔使用；
3、用注射泥浆泵把稳压伺服罐内的泥浆输送至喷雾干燥塔内喷雾干燥，出来的粉料经过过筛，造出粒径为0.1～0.8mm的粉料球粒，由大倾角带式输送机送入钢料仓存储并陈腐；
4、将上述步骤3所得的粉料球粒装入耐热钢窑具中送到烧成辊道窑中进行煅烧，烧制气氛为氧化焰，以城市煤气为燃料，烧成温度850℃，烧成周期2.5h，粉料球粒经预热、升温、烧成、保温、冷却制成微孔陶瓷半成品。
5、将上述步骤4所得的微孔陶瓷半成品装入球磨机加水进行研磨0.3小时，清洗，除水，装入化学处理罐进行化学表面处理、酸液清洗，再除水、干燥；
6、将湿微孔陶瓷装入耐热钢窑具中送到干燥辊道窑中进行干燥，以城市煤气为燃料，干燥温度250℃，干燥周期1.5h，湿微孔陶瓷经预热、升温、冷却制成微孔陶瓷。
作为优选，上述步骤4烧成之后进行机械粗磨、细磨处理。
本发明产生的有益效果为：本发明所述的一种微孔过滤净化石及其制备方法，制得的微孔过滤净化石过滤精度高，透水性能好，水处理效率高，利用废物，制备成本低，保护环境，节约资源。
具体实施方式
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对上述技术方案进行详细的说明。
实施例1
一种微孔过滤净化石，它由如下质量百分比的原料组成：莫来石15％、堇青石10％、粉煤灰15％、废玻璃45％、石灰石8％、硅灰石8％、粘土8％。
所述的莫来石和堇青石的粒径为150～300μm。
所述的粉煤灰、石灰石和硅灰石的粒径为0.2～0.5mm。
一种微孔过滤净化石的制备方法，它包含如下步骤：
1、称取莫来石15％、堇青石10％、粉煤灰15％、废玻璃45％、石灰石8％、硅灰石8％、粘土8％，用雷蒙磨分别研磨莫来石和堇青石的混合物以及粉煤灰、石灰石和硅灰石的混合物至干粉状态，过筛，分别得到粒径为150～300μm的莫来石、堇青石混合物和粒径为0.2～0.5mm的粉煤灰、石灰石和硅灰石混合物；
2、将上述步骤1所得的干粉物料放入浆池搅拌，用双缸泥浆泵输送经过二次过筛存入储浆池，再用双缸泥浆泵输送至喷雾干燥造粒车间的伺服罐内，共喷雾干燥塔使用；
3、用注射泥浆泵把稳压伺服罐内的泥浆输送至喷雾干燥塔内喷雾干燥，出来的粉料经过过筛，造出粒径为0.1～0.8mm的粉料球粒，由大倾角带式输送机送入钢料仓存储并陈腐；
4、将上述步骤3所得的粉料球粒装入耐热钢窑具中送到烧成辊道窑中进行煅烧，烧制气氛为氧化焰，以城市煤气为燃料，烧成温度850℃，烧成周期2.5h，粉料球粒经预热、升温、烧成、保温、冷却制成微孔陶瓷半成品，进行机械粗磨、细磨处理。
5、将上述步骤4所得的微孔陶瓷半成品装入球磨机加水进行研磨0.3小时，清洗，除水，装入化学处理罐进行化学表面处理、酸液清洗，再除水、干燥；
6、将湿微孔陶瓷装入耐热钢窑具中送到干燥辊道窑中进行干燥，以城市煤气为燃料，干燥温度250℃，干燥周期1.5h，湿微孔陶瓷经预热、升温、冷却制成微孔陶瓷。
实施例2
一种微孔过滤净化石，它由如下质量百分比的原料组成：莫来石18％、堇青石12％、粉煤灰20％、废玻璃50％、石灰石10％、硅灰石10％、粘土10％。
所述的莫来石和堇青石的粒径为150～300μm。
所述的粉煤灰、石灰石和硅灰石的粒径为0.2～0.5mm。
一种微孔过滤净化石的制备方法，它包含如下步骤：
1、称取莫来石18％、堇青石12％、粉煤灰20％、废玻璃50％、石灰石10％、硅灰石10％、粘土10％，用雷蒙磨分别研磨莫来石和堇青石的混合物以及粉煤灰、石灰石和硅灰石的混合物至干粉状态，过筛，分别得到粒径为150～300μm的莫来石、堇青石混合物和粒径为0.2～0.5mm的粉煤灰、石灰石和硅灰石混合物；
2、将上述步骤1所得的干粉物料放入浆池搅拌，用双缸泥浆泵输送经过二次过筛存入储浆池，再用双缸泥浆泵输送至喷雾干燥造粒车间的伺服罐内，共喷雾干燥塔使用；
3、用注射泥浆泵把稳压伺服罐内的泥浆输送至喷雾干燥塔内喷雾干燥，出来的粉料经过过筛，造出粒径为0.1～0.8mm的粉料球粒，由大倾角带式输送机送入钢料仓存储并陈腐；
4、将上述步骤3所得的粉料球粒装入耐热钢窑具中送到烧成辊道窑中进行煅烧，烧制气氛为氧化焰，以城市煤气为燃料，烧成温度850℃，烧成周期2.5h，粉料球粒经预热、升温、烧成、保温、冷却制成微孔陶瓷半成品，进行机械粗磨、细磨处理。
5、将上述步骤4所得的微孔陶瓷半成品装入球磨机加水进行研磨0.3小时，清洗，除水，装入化学处理罐进行化学表面处理、酸液清洗，再除水、干燥；
6、将湿微孔陶瓷装入耐热钢窑具中送到干燥辊道窑中进行干燥，以城市煤气为燃料，干燥温度250℃，干燥周期1.5h，湿微孔陶瓷经预热、升温、冷却制成微孔陶瓷。
实施例3
一种微孔过滤净化石，它由如下质量百分比的原料组成：莫来石20％、堇青石15％、粉煤灰25％、废玻璃55％、石灰石12％、硅灰石12％、粘土12％。
所述的莫来石和堇青石的粒径为150～300μm。
所述的粉煤灰、石灰石和硅灰石的粒径为0.2～0.5mm。
一种微孔过滤净化石的制备方法，它包含如下步骤：
1、称取莫来石15～20％、堇青石10～15％、粉煤灰15～25％、废玻璃45～55％、石灰石8～12％、硅灰石8～12％、粘土8～12％，用雷蒙磨分别研磨莫来石和堇青石的混合物以及粉煤灰、石灰石和硅灰石的混合物至干粉状态，过筛，分别得到粒径为150～300μm的莫来石、堇青石混合物和粒径为0.2～0.5mm的粉煤灰、石灰石和硅灰石混合物；
2、将上述步骤1所得的干粉物料放入浆池搅拌，用双缸泥浆泵输送经过二次过筛存入储浆池，再用双缸泥浆泵输送至喷雾干燥造粒车间的伺服罐内，共喷雾干燥塔使用；
3、用注射泥浆泵把稳压伺服罐内的泥浆输送至喷雾干燥塔内喷雾干燥，出来的粉料经过过筛，造出粒径为0.1～0.8mm的粉料球粒，由大倾角带式输送机送入钢料仓存储并陈腐；
4、将上述步骤3所得的粉料球粒装入耐热钢窑具中送到烧成辊道窑中进行煅烧，烧制气氛为氧化焰，以城市煤气为燃料，烧成温度850℃，烧成周期2.5h，粉料球粒经预热、升温、烧成、保温、冷却制成微孔陶瓷半成品，，进行机械粗磨、细磨处理。
5、将上述步骤4所得的微孔陶瓷半成品装入球磨机加水进行研磨0.3小时，清洗，除水，装入化学处理罐进行化学表面处理、酸液清洗，再除水、干燥；
6、将湿微孔陶瓷装入耐热钢窑具中送到干燥辊道窑中进行干燥，以城市煤气为燃料，干燥温度250℃，干燥周期1.5h，湿微孔陶瓷经预热、升温、冷却制成微孔陶瓷。
本具体实施方式产生的有益效果为：本具体实施方式所述的一种微孔过滤净化石及其制备方法，制得的微孔过滤净化石过滤精度高，透水性能好，水处理效率高，利用废物，制备成本低，保护环境，节约资源。
以上显示和描述了本发明的基本原理和主要特征以及本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (5)

1.一种微孔过滤净化石，其特征在于：它由如下质量百分比的原料组成：莫来石15～20％、堇青石10～15％、粉煤灰15～25％、废玻璃45～55％、石灰石8～12％、硅灰石8～12％、粘土8～12％。
2.一种微孔过滤净化石的制备方法，其特征在于它包含如下步骤：
(1)、称取莫来石15～20％、堇青石10～15％、粉煤灰15～25％、废玻璃45～55％、石灰石8～12％、硅灰石8～12％、粘土8～12％，用雷蒙磨分别研磨莫来石和堇青石的混合物以及粉煤灰、石灰石和硅灰石的混合物至干粉状态，过筛，分别得到粒径为150～300μm的莫来石、堇青石混合物和粒径为0.2～0.5mm的粉煤灰、石灰石和硅灰石混合物；
(2)、将上述步骤(1)所得的干粉物料放入浆池搅拌，用双缸泥浆泵输送经过二次过筛存入储浆池，再用双缸泥浆泵输送至喷雾干燥造粒车间的伺服罐内，共喷雾干燥塔使用；
(3)、用注射泥浆泵把稳压伺服罐内的泥浆输送至喷雾干燥塔内喷雾干燥，出来的粉料经过过筛，造出粒径为0.1～0.8mm的粉料球粒，由大倾角带式输送机送入钢料仓存储并陈腐；
(4)、将上述步骤(3)所得的粉料球粒装入耐热钢窑具中送到烧成辊道窑中进行煅烧，烧制气氛为氧化焰，以城市煤气为燃料，烧成温度850℃，烧成周期2.5h，粉料球粒经预热、升温、烧成、保温、冷却制成微孔陶瓷半成品。
(5)、将上述步骤(4)所得的微孔陶瓷半成品装入球磨机加水进行研磨0.3小时，清洗，除水，装入化学处理罐进行化学表面处理、酸液清洗，再除水、干燥；
(6)、将湿微孔陶瓷装入耐热钢窑具中送到干燥辊道窑中进行干燥，以城市煤气为燃料，干燥温度250℃，干燥周期1.5h，湿微孔陶瓷经预热、升温、冷却制成微孔陶瓷。
3.根据权利要求1所述的一种微孔过滤净化石，其特征在于：所述的莫来石和堇青石的粒径为150～300μm。
4.根据权利要求1所述的一种微孔过滤净化石，其特征在于：所述的粉煤灰、石灰石和硅灰石的粒径为0.2～0.5mm。
5.根据权利要求2所述的一种微孔过滤净化石的制备方法，其特征在于：步骤(4)烧成之后进行机械粗磨、细磨处理。
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