CN106268032A - 一种机械强度高的陶瓷滤芯及其制备方法 - Google Patents

一种机械强度高的陶瓷滤芯及其制备方法 Download PDF

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CN106268032A
CN106268032A CN201610716885.4A CN201610716885A CN106268032A CN 106268032 A CN106268032 A CN 106268032A CN 201610716885 A CN201610716885 A CN 201610716885A CN 106268032 A CN106268032 A CN 106268032A
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刘智曙
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Abstract

本发明公开了一种机械强度高的陶瓷滤芯及其制备方法,主要由磷铝石、硅藻土、金刚药石、活性炭、纳米钛酸锶、氧化锌、无烟煤、蛇纹石玉、海绵铁、聚二甲基二烯丙基氯化铵、硫酸铝、谷朊粉、聚丙烯酸钙、氧化羟丙基淀粉、碳酸钾、碳酸氢钠等原料制成。本发明的陶瓷滤芯添加了适量的硅藻土,磷铝石、金刚药石、纳米钛酸锶蛇纹石玉、海绵铁等原料,配合活性炭,不仅具有有很好的吸附性能,还具有优异的杀菌性能,通过利用氧化锌与无烟煤在高温下形成低熔物,改善烧结性能,促使莫来石生成,有助于提高陶瓷滤芯的机械强度和耐火性能,另外,氧化锌还具有吸收大能量的属性,有助于提高陶瓷滤芯的冷热急变性能。

Description

一种机械强度高的陶瓷滤芯及其制备方法
技术领域
本发明涉及陶瓷材料技术领域,更具体地说是一种机械强度高的陶瓷滤芯及其制备方法。
背景技术
陶瓷滤芯,主要用于对饮用水进行过滤、抗菌和活化处理,有害的余氯和悬浮污染物、有机化学物质、颜色与异味,通过使用该滤芯能够过滤出达到一定饮用标准的饮用水。既可应用于净水器、桶装水和分质供水等行业,也可以应用于对水质供应有相应要求的其它场合。目前国际上过滤精度最高的陶瓷滤芯为双控制膜陶瓷滤芯,平均孔径为0.1μm。经该滤芯过滤后的水无需煮开,即可饮用,完全达到国家直接饮用水的标准。随着人们对健康生活的追求和水质的要求越来越高,陶瓷滤芯将会更加广泛地应用于饮用水处理领域。
现有蜂窝陶瓷过滤材料原料、配方、功能都比较单一,存在着强度低,耐高温性差等不足,不能满足技术不断发展的要求。
发明内容
本发明的目的是为了弥补现有技术的不足,提供一种机械强度高的陶瓷滤芯及其制备方法。
本发明的目的是通过以下技术方案实现的:
一种机械强度高的陶瓷滤芯,由以下重量份的原料制成:磷铝石30-40、硅藻土18-22、金刚药石8-10、活性炭4-6、纳米钛酸锶2-4、氧化锌3-5、无烟煤2-4、蛇纹石玉1-3、海绵铁2-4、聚二甲基二烯丙基氯化铵3-5、硫酸铝1-3、谷朊粉2-4、聚丙烯酸钙3-5、氧化羟丙基淀粉1-3、碳酸钾1-2、碳酸氢钠2-4。
一种机械强度高的陶瓷滤芯的制备方法,包括以下步骤:
(1)按重量份称取各原料;
(2)将磷铝石、硅藻土、金刚药石、蛇纹石玉混合后加入碳酸氢钠和水,搅拌均匀后浸泡3-4小时,过滤后用清水洗至近中性,于85-95℃干燥,于750-850℃煅烧1-3小时,冷却粉碎;
(3)将聚二甲基二烯丙基氯化铵、谷朊粉、聚丙烯酸钙、氧化羟丙基淀粉混合,在42-48℃下混合搅拌35-45分钟;
(4)将步骤(2)中粉碎后的原料、步骤(3)中的原料以及其他剩余成份混合,真空练泥,送入模具中,脱模后,送入255-265℃烧结炉中烧结2-3小时,然后,以5-6℃/分钟速度升温至760-820℃烧结2-3小时,然后,再以9-11℃/分钟速率升温至1100-1200℃烧结3-5小时即得。
本发明的优点在于:
本发明的陶瓷滤芯添加了适量的硅藻土,磷铝石、金刚药石、纳米钛酸锶蛇纹石玉、海绵铁等原料,配合活性炭,不仅具有有很好的吸附性能,还具有优异的杀菌性能,通过利用氧化锌与无烟煤在高温下形成低熔物,改善烧结性能,促使莫来石生成,有助于提高陶瓷滤芯的机械强度和耐火性能,另外,氧化锌还具有吸收大能量的属性,有助于提高陶瓷滤芯的冷热急变性能。
具体实施方式
实施例1,一种机械强度高的陶瓷滤芯,由以下重量份(2)的原料制成:磷铝石30、硅藻土18、金刚药石8、活性炭4、纳米钛酸锶2、氧化锌3、无烟煤2、蛇纹石玉1、海绵铁2、聚二甲基二烯丙基氯化铵3、硫酸铝1、谷朊粉2、聚丙烯酸钙3、氧化羟丙基淀粉1、碳酸钾1、碳酸氢钠2。
一种机械强度高的陶瓷滤芯的制备方法,包括以下步骤:
(1)按重量份称取各原料;
(2)将磷铝石、硅藻土、金刚药石、蛇纹石玉混合后加入碳酸氢钠和水,搅拌均匀后浸泡3小时,过滤后用清水洗至近中性,于85℃干燥,于750℃煅烧3小时,冷却粉碎;
(3)将聚二甲基二烯丙基氯化铵、谷朊粉、聚丙烯酸钙、氧化羟丙基淀粉混合,在42-48℃下混合搅拌35-45分钟;
(4)将步骤(2)中粉碎后的原料、步骤(3)中的原料以及其他剩余成份混合,真空练泥,送入模具中,脱模后,送入255℃烧结炉中烧结2小时,然后,以5℃/分钟速度升温至760℃烧结2小时,然后,再以9℃/分钟速率升温至1100℃烧结3小时即得。
实施例2,一种机械强度高的陶瓷滤芯,由以下重量份(kg)的原料制成:磷铝石35、硅藻土20、金刚药石9、活性炭5、纳米钛酸锶3、氧化锌4、无烟煤3、蛇纹石玉2、海绵铁3、聚二甲基二烯丙基氯化铵4、硫酸铝2、谷朊粉3、聚丙烯酸钙4、氧化羟丙基淀粉2、碳酸钾1、碳酸氢钠3。
一种机械强度高的陶瓷滤芯的制备方法,包括以下步骤:
(1)按重量份称取各原料;
(2)将磷铝石、硅藻土、金刚药石、蛇纹石玉混合后加入碳酸氢钠和水,搅拌均匀后浸泡3.5小时,过滤后用清水洗至近中性,于90℃干燥,于800℃煅烧2小时,冷却粉碎;
(3)将聚二甲基二烯丙基氯化铵、谷朊粉、聚丙烯酸钙、氧化羟丙基淀粉混合,在45℃下混合搅拌4分钟0;
(4)将步骤(2)中粉碎后的原料、步骤(3)中的原料以及其他剩余成份混合,真空练泥,送入模具中,脱模后,送入260℃烧结炉中烧结2.5小时,然后,以5℃/分钟速度升温至790℃烧结2.5小时,然后,再以10℃/分钟速率升温至1150℃烧结4小时即得。
实施例3,一种机械强度高的陶瓷滤芯,由以下重量份(kg)的原料制成:磷铝石40、硅藻土22、金刚药石10、活性炭6、纳米钛酸锶4、氧化锌5、无烟煤4、蛇纹石玉3、海绵铁4、聚二甲基二烯丙基氯化铵5、硫酸铝3、谷朊粉4、聚丙烯酸钙5、氧化羟丙基淀粉3、碳酸钾2、碳酸氢钠4。
一种机械强度高的陶瓷滤芯的制备方法,包括以下步骤:
(1)按重量份称取各原料;
(2)将磷铝石、硅藻土、金刚药石、蛇纹石玉混合后加入碳酸氢钠和水,搅拌均匀后浸泡4小时,过滤后用清水洗至近中性,于95℃干燥,于850℃煅烧1小时,冷却粉碎;
(3)将聚二甲基二烯丙基氯化铵、谷朊粉、聚丙烯酸钙、氧化羟丙基淀粉混合,在48℃下混合搅拌35分钟;
(4)将步骤(2)中粉碎后的原料、步骤(3)中的原料以及其他剩余成份混合,真空练泥,送入模具中,脱模后,送入265℃烧结炉中烧结3小时,然后,以6℃/分钟速度升温至820℃烧结3小时,然后,再以11℃/分钟速率升温至1200℃烧结5小时即得。
上述实施例1-3制得的陶瓷滤芯的主要性能检测结果如下表所示:
表1 实施例1-3制得的陶瓷滤芯的主要性能检测结果
重金属处理方式
处理前重金属浓度(ppm) 0.1 0.02 0.05 0.02 0.1
实施例1去除效果(ppm) 0.0008 0.0009 0.0008 0.0009 0.0008
实施例2去除效果(ppm) 0.001 0.0008 0.0007 0.0008 0.0009
实施例3去除效果(ppm) 0.0008 0.0009 0.0009 0.0008 0.001

Claims (2)

1.一种机械强度高的陶瓷滤芯,其特征在于:由以下重量份的原料制成:磷铝石30-40、硅藻土18-22、金刚药石8-10、活性炭4-6、纳米钛酸锶2-4、氧化锌3-5、无烟煤2-4、蛇纹石玉1-3、海绵铁2-4、聚二甲基二烯丙基氯化铵3-5、硫酸铝1-3、谷朊粉2-4、聚丙烯酸钙3-5、氧化羟丙基淀粉1-3、碳酸钾1-2、碳酸氢钠2-4。
2.根据权利要求1所述的一种机械强度高的陶瓷滤芯的制备方法,其特征在于:包括以下步骤:
(1)按重量份称取各原料;
(2)将磷铝石、硅藻土、金刚药石、蛇纹石玉混合后加入碳酸氢钠和水,搅拌均匀后浸泡3-4小时,过滤后用清水洗至近中性,于85-95℃干燥,于750-850℃煅烧1-3小时,冷却粉碎;
(3)将聚二甲基二烯丙基氯化铵、谷朊粉、聚丙烯酸钙、氧化羟丙基淀粉混合,在42-48℃下混合搅拌35-45分钟;
(4)将步骤(2)中粉碎后的原料、步骤(3)中的原料以及其他剩余成份混合,真空练泥,送入模具中,脱模后,送入255-265℃烧结炉中烧结2-3小时,然后,以5-6℃/分钟速度升温至760-820℃烧结2-3小时,然后,再以9-11℃/分钟速率升温至1100-1200℃烧结3-5小时即得。
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CN107149810A (zh) * 2017-06-08 2017-09-12 安徽天诚环保机械有限公司 一种具有杀菌作用的活性炭空气过滤材料及其制备方法
CN109485454A (zh) * 2018-12-12 2019-03-19 雅安远创陶瓷有限责任公司 一种具有净水功效的陶瓷制品及制备方法

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