CN110508156A - 一种带切槽高通量大尺寸密集多通道管式陶瓷膜制备方法 - Google Patents
一种带切槽高通量大尺寸密集多通道管式陶瓷膜制备方法 Download PDFInfo
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Abstract
一种带切槽高通量大尺寸密集多通道管式陶瓷膜制备方法,它涉及过滤材料制造方法技术领域。它包含以下操作步骤:配置硅藻土和石英砂放置到搅拌容器中进行混合搅拌;在混合好的硅藻土和石英砂加入到研磨机中进行研磨并加入碳化硅粉混合得到混合物A;将莫来石、纳米银颗粒和可溶性淀粉放入研磨机研磨得到混合物B;将混合物A和混合物B加入搅拌机进行搅拌;在搅拌机中加入去离子水进行搅拌;在搅拌机中加入陶瓷粘合剂和造孔剂得到混合物C;将混合物C放置到颗粒机中进行造粒;将颗粒放置到成型机中进行成形;将去除水分的半成品放置到烧结炉中进行烧结,它制作工序简单,降低生产成本,适应本行业的发展需求。
Description
技术领域
本发明涉及过滤材料制造方法技术领域,具体涉及一种带切槽高通量大尺寸密集多通道管式陶瓷膜的制备方法。
背景技术
随着我国经济的高速发展,工业生产和日常生活中的水处理量不断增加。仅以水污染为例,我国77%的污水未经处理被直接排放,46.7%的河流受到污染,给人们的身体健康带来了极大的危害。在水处理领域,膜材料已成为实现流体分离、浓缩以及纯化等工艺过程的关键组件。与有机膜相比,无机陶瓷膜具有机械强度高、耐有机溶剂、耐磨损,抗微生物侵蚀、抗化学药剂侵蚀、膜孔不变形、抗污染能力强、操作简便、容易清洗等诸多优势,代表了水处理技术的发展方向。
无机陶瓷膜首先在法国的乳品业及葡萄酒业得到工业化应用,后逐渐扩展到食品工业、环境工程、生物医学、化工石油等领域。无机膜的研究与开发在主要工业国家受到了广泛的重视,国内对陶瓷膜的研究始于上世纪90年代后期,主要集中在氧化铝膜材料,并在污水处理方面开展了应用,取得了良好的效益。
但是在工业废水方面,其废水往往存在排放量大、高温、高碱度、高酸度、含重金属等特点,对无机陶瓷膜的过滤性能提出了更高的要求,目前广泛使用的氧化铝膜材料,难以抵抗强酸、强碱环境,缩短了氧化铝膜材料的使用寿命,加快了膜材的更换周期,极大的提升了污水处理成本。此外,氧化铝膜材料亲水性能一般,导致处治水的通量低,使污水处理效率低,在一定程度上也提高了治污成本。
但是,传统的带切槽高通量大尺寸密集多通道管式陶瓷膜,需要在制胚完成后在对毛胚进行切槽,增加工序,不能适应行业的发展需求。
发明内容
本发明的目的在于针对现有技术的缺陷和不足,提供一种带切槽高通量大尺寸密集多通道管式陶瓷膜的制备方法,它制作工序简单,在成形模具上设置切槽,在颗粒料成形时就自带自带切槽,减少加工工序,降低生产成本,适应本行业的发展需求。
为实现上述目的,本发明的制备方法包含以下操作步骤:第一步,配置硅藻土和石英砂放置到搅拌容器中进行混合搅拌;第二步,在混合好的硅藻土和石英砂加入到研磨机中进行研磨并加入碳化硅粉混合得到混合物A;第三步,将莫来石、纳米银颗粒和可溶性淀粉放入研磨机研磨得到混合物B;第四步,将混合物A和混合物B加入搅拌机进行搅拌;第五步,在搅拌机中加入去离子水进行搅拌;第六步,在搅拌机中加入陶瓷粘合剂和造孔剂得到混合物C;第七步,将混合物C放置到颗粒机中进行造粒;第八步,将颗粒放置到成型机中进行成形;第九步,将成形的半成品放置到烘箱中进行烘干去除水分;第十步,将去除水分的半成品放置到烧结炉中进行烧结。
优选的是,本发明在搅拌容器中添加硅藻土、石英砂和碳化硅粉的比例为2:1:2。
优选的是,本发明在搅拌容器中加入硅藻土和石英砂的搅拌速度为2000rpm/h,搅拌时间为60min。
优选的是,本发明在研磨机中加入碳化硅粉的研磨时间为4-5h。
优选的是,本发明烧结炉的温度为1300-1400℃,烧制时间设置为8h,保温时间设置为2h。
优选的是,本发明硅藻土的颗粒度为400目。
优选的是,本发明碳化硅粉的平均粒度为1μm。
优选的是,本发明成型机上的模具设置有切槽。
采用上述技术方案后,本发明有益效果为:它制作工序简单,在成形模具上设置切槽,在颗粒料成形时就自带自带切槽,减少加工工序,降低生产成本,适应本行业的发展需求。
具体实施方式
一种带切槽高通量大尺寸密集多通道管式陶瓷膜制备方法,包含以下操作步骤:第一步,配置颗粒度为400目的硅藻土和平均粒度为1μm的石英砂放置到搅拌容器中按照2000rpm/h的搅拌速度进行混合搅拌,搅拌时间为60min;第二步,在混合好的硅藻土和石英砂加入到研磨机中进行研磨并加入碳化硅粉混合得到混合物A,其中硅藻土、石英砂和碳化硅粉的比例为2:1:2,研磨时间为4-5h;第三步,将莫来石、纳米银颗粒和可溶性淀粉放入研磨机研磨得到混合物B;第四步,将混合物A和混合物B加入搅拌机进行搅拌;第五步,在搅拌机中加入去离子水进行搅拌;第六步,在搅拌机中加入陶瓷粘合剂和造孔剂得到混合物C;第七步,将混合物C放置到颗粒机中进行造粒;第八步,将颗粒放置到成型机中进行成形;第九步,将成形的半成品放置到烘箱中进行烘干去除水分;第十步,将去除水分的半成品放置到烧结炉中进行烧结,烧结炉温度为1300-1400℃,烧制时间设置为8h,保温时间设置为2h。本发明成型机上的模具设置有切槽。
本发明的硅藻土由无定形的SiO2组成,并含有少量Fe2O3、CaO、MgO、Al2O3及有机杂质。 硅藻土通常呈浅黄色或浅灰色,质软,多孔而轻,工业上常用来作为保温材料、过滤材料、填料、研磨材料、水玻璃原料、脱色剂及硅藻土助滤剂,催化剂载体等。
“纳米银”是“银纳米颗粒”的简称或俗称,指由银原子组成的颗粒,其粒径通常在1-100 nm范围。大块的银材料表面具有抑菌性质早已为人熟知,其机理是位于材料表面的银原子可以被环境中的氧气缓慢氧化,释放出游离的银离子(Ag+),这些银离子通过与细菌壁上巯基结合,阻断细菌的呼吸链,最终杀死附着在材料表面的细菌。对于大块银材料来说,上述氧化过程极为缓慢,银离子的释放数量和速率也非常低。
造孔剂使材料中增加孔洞结构的添加剂,一般为易分解为气体的物质。
采用上述技术方案后,本发明有益效果为:它制作工序简单,在成形模具上设置切槽,在颗粒料成形时就自带自带切槽,减少加工工序,降低生产成本,同时增加纳米银,可以在净化过程中进行杀菌,适应本行业的发展需求。
以上所述,仅用以说明本发明的技术方案而非限制,本领域普通技术人员对本发明的技术方案所做的其它修改或者等同替换,只要不脱离本发明技术方案的精神和范围,均应涵盖在本发明的权利要求范围当中。
Claims (8)
1.一种带切槽高通量大尺寸密集多通道管式陶瓷膜的制备方法,其特征在于:它包含以下操作步骤:第一步,配置硅藻土和石英砂放置到搅拌容器中进行混合搅拌;第二步,在混合好的硅藻土和石英砂加入到研磨机中进行研磨并加入碳化硅粉混合得到混合物A;第三步,将莫来石、纳米银颗粒和可溶性淀粉放入研磨机研磨得到混合物B;第四步,将混合物A和混合物B加入搅拌机进行搅拌;第五步,在搅拌机中加入去离子水进行搅拌;第六步,在搅拌机中加入陶瓷粘合剂和造孔剂得到混合物C;第七步,将混合物C放置到颗粒机中进行造粒;第八步,将颗粒放置到成型机中进行成形;第九步,将成形的半成品放置到烘箱中进行烘干去除水分;第十步,将去除水分的半成品放置到烧结炉中进行烧结。
2.根据权利要求1所述的一种带切槽高通量大尺寸密集多通道管式陶瓷膜的制备方法,其特征在于:所述的在搅拌容器中添加硅藻土、石英砂和碳化硅粉的比例为2:1:2。
3.根据权利要求1所述的一种带切槽高通量大尺寸密集多通道管式陶瓷膜的制备方法,其特征在于:所述的在搅拌容器中加入硅藻土和石英砂的搅拌速度为2000rpm/h,搅拌时间为60min。
4.根据权利要求1所述的一种带切槽高通量大尺寸密集多通道管式陶瓷膜的制备方法,其特征在于:所述的在研磨机中加入碳化硅粉的研磨时间为4-5h。
5.根据权利要求1所述的一种带切槽高通量大尺寸密集多通道管式陶瓷膜的制备方法,其特征在于:所述烧结炉温度为1300-1400℃,烧制时间设置为8h,保温时间设置为2h。
6.根据权利要求1所述的一种带切槽高通量大尺寸密集多通道管式陶瓷膜的制备方法,其特征在于:所述的硅藻土的颗粒度为400目。
7.根据权利要求1所述的一种带切槽高通量大尺寸密集多通道管式陶瓷膜的制备方法,其特征在于:所述的碳化硅粉的平均粒度为1μm。
8.根据权利要求1所述的一种带切槽高通量大尺寸密集多通道管式陶瓷膜的制备方法,其特征在于:所述的成型机上的模具设置有切槽。
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