CN105922682A - 一种用于供暖锅炉的耐高温过滤材料及其制备方法 - Google Patents

一种用于供暖锅炉的耐高温过滤材料及其制备方法 Download PDF

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CN105922682A
CN105922682A CN201610351411.4A CN201610351411A CN105922682A CN 105922682 A CN105922682 A CN 105922682A CN 201610351411 A CN201610351411 A CN 201610351411A CN 105922682 A CN105922682 A CN 105922682A
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刘高志
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Abstract

本发明公开了一种用于供暖锅炉的耐高温过滤材料及其制备方法，通过如下方法制备而成：将经纱玄武岩纱线和纬纱PPS纱线相互垂直交织，制成基布；将PPS纤维经气流成网工艺或机械成网工艺制成PPS纤维层；基布上、下面铺网叠放上述PPS纤维层，初步预针刺；主针刺，制成过滤材料；将步骤S4制成的过滤材料进行浸渍处理，在浸渍乳液中浸渍；预烘、烘干和高温定型。本发明提供的过滤材料具有耐高温、耐化学性和阻燃的特性，并且粉尘剥离率和100小时加热后强度保持率较高，适用于高温工作环境中过滤除尘，适合用于供暖锅炉中。这可能与浸渍乳液中钛酸异丙酯和二烷基二苯胺的重量份之比有关，钛酸异丙酯和二烷基二苯胺的重量份之比为6～8:1时，过滤材料性能最优。

Description

一种用于供暖锅炉的耐高温过滤材料及其制备方法
技术领域
本发明涉及供暖锅炉材料，具体涉及一种用于供暖锅炉的耐高温过滤材料及其制备方法。
背景技术
工业除尘技术的主要目标是控制污染源烟气颗粒物排放、减少大气污染。目前针对工业高温烟气的处理，主要采取的有湿法除尘、电除尘、袋式除尘三种方法，其中袋式除尘器在除尘效率、一次性及长期投资费用、设备要求和性能等方面均优于湿法除尘和电除尘，将逐渐取代后两者而占据主流工业除尘器市场。袋式除尘器的核心是耐高温滤料，耐高温滤料的性能优劣将直接关系到除尘器的高效、稳定可靠、长时间运行。
现有供暖锅炉的过滤材料耐高温性能还不够理想。
发明内容
本发明的目的在于提供一种用于供暖锅炉的耐高温过滤材料及其制备方法。
本发明的上述目的是通过下面的技术方案得以实现的：
一种用于供暖锅炉的耐高温过滤材料，通过如下方法制备而成：
步骤S1，将经纱玄武岩纱线和纬纱PPS纱线相互垂直交织，制成基布；
步骤S2，将PPS纤维经气流成网工艺或机械成网工艺制成PPS纤维层；
步骤S3，基布上、下面铺网叠放上述PPS纤维层，初步预针刺；
步骤S4，主针刺，制成过滤材料；
步骤S5，将步骤S4制成的过滤材料进行浸渍处理，在浸渍乳液中浸渍；
步骤S6，预烘、烘干和高温定型；
其中，所述浸渍乳液通过如下重量份的原料制备而成：PTFE乳液，65～75份；十二烷基二甲基叔胺，4～6份；N-羟甲基硬脂酰胺，6～8份；甲基硅油，20～30份；钛酸异丙酯和二烷基二苯胺共7～9份，钛酸异丙酯和二烷基二苯胺的重量份之比为6～8:1。
进一步地，所述浸渍乳液通过如下重量份的原料制备而成：PTFE乳液，70份；十二烷基二甲基叔胺，5份；N-羟甲基硬脂酰胺，7份；甲基硅油，25份；钛酸异丙酯和二烷基二苯胺共8份，钛酸异丙酯和二烷基二苯胺的重量份之比为7:1。
进一步地，所述浸渍乳液通过如下重量份的原料制备而成：PTFE乳液，65份；十二烷基二甲基叔胺，4份；N-羟甲基硬脂酰胺，6份；甲基硅油，20份；钛酸异丙酯和二烷基二苯胺共7份，钛酸异丙酯和二烷基二苯胺的重量份之比为6:1。
进一步地，所述浸渍乳液通过如下重量份的原料制备而成：PTFE乳液，75份；十二烷基二甲基叔胺，6份；N-羟甲基硬脂酰胺，8份；甲基硅油，30份；钛酸异丙酯和二烷基二苯胺共9份，钛酸异丙酯和二烷基二苯胺的重量份之比为8:1。
进一步地，所述步骤S5的浸渍处理中浸渍温度80～90℃，浸渍时间10～20分钟，控制带液率为30～40％。
本发明的优点：
本发明提供的过滤材料具有耐高温、耐化学性和阻燃的特性，并且粉尘剥离率和100小时加热后强度保持率较高，适用于高温工作环境中过滤除尘，适合用于供暖锅炉中。
具体实施方式
下面结合实施例进一步说明本发明的实质性内容，但并不以此限定本发明保护范围。尽管参照较佳实施例对本发明作了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的实质和范围。
PTFE乳液，又称聚四氟乙烯乳液，选用美国杜邦公司牌号TE3859的聚四氟乙烯乳液(聚四氟乙烯固含量为60wt％)。所述硅油，选用道康宁公司PMX-200硅油。PPS，聚苯硫醚的简称。PPS纱线选用仪征金泰化纤无纺布有限公司生产的PPS纱线。玄武岩纱线，选用海宁安捷复合材料有限责任公司的玄武岩纱线。
实施例1：用于供暖锅炉的耐高温过滤材料的制备
浸渍乳液中原料重量份比：
PTFE乳液，70份；十二烷基二甲基叔胺，5份；N-羟甲基硬脂酰胺，7份；甲基硅油，25份；钛酸异丙酯和二烷基二苯胺共8份，钛酸异丙酯和二烷基二苯胺的重量份之比为7:1。
制备方法：
步骤S1，将经纱玄武岩纱线和纬纱PPS纱线在喷气织机相互垂直交织，制成基布；其中，经纱密度:纬纱密度＝1:1，基布克重400g/m2；
步骤S2，将PPS纤维经机械成网工艺，制成PPS纤维层；
①开松：通过开松机对PPS纤维进行开松，使其达到蓬松状态；②梳理：送入梳理机梳理成纤网；③铺网：使用铺网机进行铺网。
步骤S3，基布上、下面铺网叠放上述PPS纤维层，初步预针刺；
步骤S4，主针刺，制成过滤材料；
步骤S5，将步骤S4制成的过滤材料进行浸渍处理，在浸渍乳液中浸渍；浸渍温度85℃，浸渍时间15分钟，控制带液率为35％；
步骤S6，预烘(110℃)、烘干(140℃)和高温定型(230℃)。
该过滤材料，为三层层状结构，第一层为PPS纤维层(200g/m2)；第二层为基布(400g/m2)，所述基布由经纱玄武岩纱线和纬纱PPS纱线交织而成；第三层为PPS纤维层(200g/m2)。
实施例2：用于供暖锅炉的耐高温过滤材料的制备
浸渍乳液中原料重量份比：
PTFE乳液，65份；十二烷基二甲基叔胺，4份；N-羟甲基硬脂酰胺，6份；甲基硅油，20份；钛酸异丙酯和二烷基二苯胺共7份，钛酸异丙酯和二烷基二苯胺的重量份之比为6:1。
制备方法：
步骤S1，将经纱玄武岩纱线和纬纱PPS纱线在喷气织机相互垂直交织，制成基布；其中，经纱密度:纬纱密度＝1:1，基布克重400g/m2；
步骤S2，将PPS纤维经机械成网工艺，制成PPS纤维层；
①开松：通过开松机对PPS纤维进行开松，使其达到蓬松状态；②梳理：送入梳理机梳理成纤网；③铺网：使用铺网机进行铺网。
步骤S3，基布上、下面铺网叠放上述PPS纤维层，初步预针刺；
步骤S4，主针刺，制成过滤材料；
步骤S5，将步骤S4制成的过滤材料进行浸渍处理，在浸渍乳液中浸渍；浸渍温度85℃，浸渍时间15分钟，控制带液率为35％；
步骤S6，预烘(110℃)、烘干(140℃)和高温定型(230℃)。
该过滤材料，为三层层状结构，第一层为PPS纤维层(200g/m2)；第二层为基布(400g/m2)，所述基布由经纱玄武岩纱线和纬纱PPS纱线交织而成；第三层为PPS纤维层(200g/m2)。
实施例3：用于供暖锅炉的耐高温过滤材料的制备
浸渍乳液中原料重量份比：
PTFE乳液，75份；十二烷基二甲基叔胺，6份；N-羟甲基硬脂酰胺，8份；甲基硅油，30份；钛酸异丙酯和二烷基二苯胺共9份，钛酸异丙酯和二烷基二苯胺的重量份之比为8:1。
制备方法：
步骤S1，将经纱玄武岩纱线和纬纱PPS纱线在喷气织机相互垂直交织，制成基布；其中，经纱密度:纬纱密度＝1:1，基布克重400g/m2；
步骤S2，将PPS纤维经机械成网工艺，制成PPS纤维层；
①开松：通过开松机对PPS纤维进行开松，使其达到蓬松状态；②梳理：送入梳理机梳理成纤网；③铺网：使用铺网机进行铺网。
步骤S3，基布上、下面铺网叠放上述PPS纤维层，初步预针刺；
步骤S4，主针刺，制成过滤材料；
步骤S5，将步骤S4制成的过滤材料进行浸渍处理，在浸渍乳液中浸渍；浸渍温度85℃，浸渍时间15分钟，控制带液率为35％；
步骤S6，预烘(110℃)、烘干(140℃)和高温定型(230℃)。
该过滤材料，为三层层状结构，第一层为PPS纤维层(200g/m2)；第二层为基布(400g/m2)，所述基布由经纱玄武岩纱线和纬纱PPS纱线交织而成；第三层为PPS纤维层(200g/m2)。
实施例4：用于供暖锅炉的耐高温过滤材料的制备
浸渍乳液中原料重量份比：
PTFE乳液，70份；十二烷基二甲基叔胺，5份；N-羟甲基硬脂酰胺，7份；甲基硅油，25份；钛酸异丙酯和二烷基二苯胺共8份，钛酸异丙酯和二烷基二苯胺的重量份之比为6:1。
制备方法：
步骤S1，将经纱玄武岩纱线和纬纱PPS纱线在喷气织机相互垂直交织，制成基布；其中，经纱密度:纬纱密度＝1:1，基布克重400g/m2；
步骤S2，将PPS纤维经机械成网工艺，制成PPS纤维层；
①开松：通过开松机对PPS纤维进行开松，使其达到蓬松状态；②梳理：送入梳理机梳理成纤网；③铺网：使用铺网机进行铺网。
步骤S3，基布上、下面铺网叠放上述PPS纤维层，初步预针刺；
步骤S4，主针刺，制成过滤材料；
步骤S5，将步骤S4制成的过滤材料进行浸渍处理，在浸渍乳液中浸渍；浸渍温度85℃，浸渍时间15分钟，控制带液率为35％；
步骤S6，预烘(110℃)、烘干(140℃)和高温定型(230℃)。
该过滤材料，为三层层状结构，第一层为PPS纤维层(200g/m2)；第二层为基布(400g/m2)，所述基布由经纱玄武岩纱线和纬纱PPS纱线交织而成；第三层为PPS纤维层(200g/m2)。
实施例5：用于供暖锅炉的耐高温过滤材料的制备
浸渍乳液中原料重量份比：
PTFE乳液，70份；十二烷基二甲基叔胺，5份；N-羟甲基硬脂酰胺，7份；甲基硅油，25份；钛酸异丙酯和二烷基二苯胺共8份，钛酸异丙酯和二烷基二苯胺的重量份之比为8:1。
制备方法：
步骤S1，将经纱玄武岩纱线和纬纱PPS纱线在喷气织机相互垂直交织，制成基布；其中，经纱密度:纬纱密度＝1:1，基布克重400g/m2；
步骤S2，将PPS纤维经机械成网工艺，制成PPS纤维层；
①开松：通过开松机对PPS纤维进行开松，使其达到蓬松状态；②梳理：送入梳理机梳理成纤网；③铺网：使用铺网机进行铺网。
步骤S3，基布上、下面铺网叠放上述PPS纤维层，初步预针刺；
步骤S4，主针刺，制成过滤材料；
步骤S5，将步骤S4制成的过滤材料进行浸渍处理，在浸渍乳液中浸渍；浸渍温度85℃，浸渍时间15分钟，控制带液率为35％；
步骤S6，预烘(110℃)、烘干(140℃)和高温定型(230℃)。
该过滤材料，为三层层状结构，第一层为PPS纤维层(200g/m2)；第二层为基布(400g/m2)，所述基布由经纱玄武岩纱线和纬纱PPS纱线交织而成；第三层为PPS纤维层(200g/m2)。
实施例6：对比实施例，钛酸异丙酯和二烷基二苯胺的重量份之比为5:1
浸渍乳液中原料重量份比：
PTFE乳液，70份；十二烷基二甲基叔胺，5份；N-羟甲基硬脂酰胺，7份；甲基硅油，25份；钛酸异丙酯和二烷基二苯胺共8份，钛酸异丙酯和二烷基二苯胺的重量份之比为5:1。
制备方法：
步骤S1，将经纱玄武岩纱线和纬纱PPS纱线在喷气织机相互垂直交织，制成基布；其中，经纱密度:纬纱密度＝1:1，基布克重400g/m2；
步骤S2，将PPS纤维经机械成网工艺，制成PPS纤维层；
①开松：通过开松机对PPS纤维进行开松，使其达到蓬松状态；②梳理：送入梳理机梳理成纤网；③铺网：使用铺网机进行铺网。
步骤S3，基布上、下面铺网叠放上述PPS纤维层，初步预针刺；
步骤S4，主针刺，制成过滤材料；
步骤S5，将步骤S4制成的过滤材料进行浸渍处理，在浸渍乳液中浸渍；浸渍温度85℃，浸渍时间15分钟，控制带液率为35％；
步骤S6，预烘(110℃)、烘干(140℃)和高温定型(230℃)。
该过滤材料，为三层层状结构，第一层为PPS纤维层(200g/m2)；第二层为基布(400g/m2)，所述基布由经纱玄武岩纱线和纬纱PPS纱线交织而成；第三层为PPS纤维层(200g/m2)。
实施例7：对比实施例，钛酸异丙酯和二烷基二苯胺的重量份之比为9:1
浸渍乳液中原料重量份比：
PTFE乳液，70份；十二烷基二甲基叔胺，5份；N-羟甲基硬脂酰胺，7份；甲基硅油，25份；钛酸异丙酯和二烷基二苯胺共8份，钛酸异丙酯和二烷基二苯胺的重量份之比为9:1。
制备方法：
步骤S1，将经纱玄武岩纱线和纬纱PPS纱线在喷气织机相互垂直交织，制成基布；其中，经纱密度:纬纱密度＝1:1，基布克重400g/m2；
步骤S2，将PPS纤维经机械成网工艺，制成PPS纤维层；
①开松：通过开松机对PPS纤维进行开松，使其达到蓬松状态；②梳理：送入梳理机梳理成纤网；③铺网：使用铺网机进行铺网。
步骤S3，基布上、下面铺网叠放上述PPS纤维层，初步预针刺；
步骤S4，主针刺，制成过滤材料；
步骤S5，将步骤S4制成的过滤材料进行浸渍处理，在浸渍乳液中浸渍；浸渍温度85℃，浸渍时间15分钟，控制带液率为35％；
步骤S6，预烘(110℃)、烘干(140℃)和高温定型(230℃)。
该过滤材料，为三层层状结构，第一层为PPS纤维层(200g/m2)；第二层为基布(400g/m2)，所述基布由经纱玄武岩纱线和纬纱PPS纱线交织而成；第三层为PPS纤维层(200g/m2)。
实施例8：效果实施例
依据HJ/T324-2006环境保护产品技术要求袋式除尘器用滤料，对实施例1～7制备的过滤材料进行粉尘剥离率和100小时加热后强度保持率测试，具体数据见下表。
粉尘剥离率(％) 100小时加热后强度保持率(％)
实施例1 92.5 96.8
实施例4 91.4 95.2
实施例5 90.9 95.6
实施例6 70.6 74.3
实施例7 72.8 72.6
实施例2、3的效果与实施例4、5基本一致。
上述结果表明，本发明提供的过滤材料具有耐高温、耐化学性和阻燃的特性，并且粉尘剥离率和100小时加热后强度保持率较高，适用于高温工作环境中过滤除尘，适合用于供暖锅炉中。这可能与浸渍乳液中钛酸异丙酯和二烷基二苯胺的重量份之比有关，钛酸异丙酯和二烷基二苯胺的重量份之比为6～8:1时，过滤材料性能最优。
上述实施例的作用在于说明本发明的实质性内容，但并不以此限定本发明的保护范围。本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的实质和保护范围。

Claims (5)

1.一种用于供暖锅炉的耐高温过滤材料，其特征在于，通过如下方法制备而成：
步骤S1，将经纱玄武岩纱线和纬纱PPS纱线相互垂直交织，制成基布；
步骤S2，将PPS纤维经气流成网工艺或机械成网工艺制成PPS纤维层；
步骤S3，基布上、下面铺网叠放上述PPS纤维层，初步预针刺；
步骤S4，主针刺，制成过滤材料；
步骤S5，将步骤S4制成的过滤材料进行浸渍处理，在浸渍乳液中浸渍；
步骤S6，预烘、烘干和高温定型；
其中，所述浸渍乳液通过如下重量份的原料制备而成：PTFE乳液，65～75份；十二烷基二甲基叔胺，4～6份；N-羟甲基硬脂酰胺，6～8份；甲基硅油，20～30份；钛酸异丙酯和二烷基二苯胺共7～9份，钛酸异丙酯和二烷基二苯胺的重量份之比为6～8:1。
2.根据权利要求1所述的耐高温过滤材料，其特征在于，所述浸渍乳液通过如下重量份的原料制备而成：PTFE乳液，70份；十二烷基二甲基叔胺，5份；N-羟甲基硬脂酰胺，7份；甲基硅油，25份；钛酸异丙酯和二烷基二苯胺共8份，钛酸异丙酯和二烷基二苯胺的重量份之比为7:1。
3.根据权利要求1所述的耐高温过滤材料，其特征在于，所述浸渍乳液通过如下重量份的原料制备而成：PTFE乳液，65份；十二烷基二甲基叔胺，4份；N-羟甲基硬脂酰胺，6份；甲基硅油，20份；钛酸异丙酯和二烷基二苯胺共7份，钛酸异丙酯和二烷基二苯胺的重量份之比为6:1。
4.根据权利要求1所述的耐高温过滤材料，其特征在于，所述浸渍乳液通过如下重量份的原料制备而成：PTFE乳液，75份；十二烷基二甲基叔胺，6份；N-羟甲基硬脂酰胺，8份；甲基硅油，30份；钛酸异丙酯和二烷基二苯胺共9份，钛酸异丙酯和二烷基二苯胺的重量份之比为8:1。
5.根据权利要求1～4任一所述的耐高温过滤材料，其特征在于：所述步骤S5的浸渍处理中浸渍温度80～90℃，浸渍时间10～20分钟，控制带液率为30～40％。
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CN106731222A (zh) * 2017-01-23 2017-05-31 西安工程大学 一种玄武岩双层基布针刺复合滤料及其制备方法
CN106731222B (zh) * 2017-01-23 2019-04-16 西安工程大学 一种玄武岩双层基布针刺复合滤料及其制备方法
CN111804063A (zh) * 2020-08-05 2020-10-23 山东兴国新力环保科技股份有限公司 一种耐高温过滤材料的制备方法
CN111804063B (zh) * 2020-08-05 2022-09-09 山东兴国新力环保科技股份有限公司 一种耐高温过滤材料的制备方法
CN112295315A (zh) * 2020-10-27 2021-02-02 安徽中电环保材料股份有限公司 一种抗形变pps过滤材料、制备工艺及过滤袋

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