CN110130116A - 耐碱ptfe纤维、pps纤维混纺针刺毡的制备工艺 - Google Patents

耐碱ptfe纤维、pps纤维混纺针刺毡的制备工艺 Download PDF

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CN110130116A
CN110130116A CN201910450199.0A CN201910450199A CN110130116A CN 110130116 A CN110130116 A CN 110130116A CN 201910450199 A CN201910450199 A CN 201910450199A CN 110130116 A CN110130116 A CN 110130116A
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fiber
ptfe
nomex
pps
alkaline
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戚应彪
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Jiangsu Xi Yangyang Environmental Protection Equipment Science And Technology Co Ltd
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Abstract

本发明属于工业除尘应用技术领域，具体公开了耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺，包括以下步骤，步骤1、纤维开松。步骤2、纤维梳理。步骤3、铺网。步骤4、针刺压实。步骤5、后处理，（1）轧光；（2）烧毛；（3）乳液浸渍；（4）高温定型；（5）覆膜。本发明的耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺的有益效果在于：1、PTFE纤维+PPS纤维刺毡滤料是在基布两面分别覆盖立体交错的PTFE纤维合和PPS纤维，经压实固定后用针刺机针刺而成的纤维结构呈立体状态的滤料；2、针刺毡滤料孔径小，过滤阻力低、透气性好、捕捉粉尘效率高。过滤效率可达99.99%以上。

Description

耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺
技术领域
本发明属于工业除尘应用技术领域，具体涉及耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺，用于玻璃窑中。
背景技术
玻璃熔窑，指玻璃制造中用于熔制玻璃配合料的热工设备。将按玻璃成分配好的粉料和掺加的熟料（碎玻璃）在窑内高温熔化、澄清并形成符合成型要求的玻璃液。除尘中的应用玻璃窑的生产工艺比较复杂，因为炉窑工况温度比较高，并且生产过程中烟尘酸性成分较高，所以对滤袋要求较高。
基于上述问题，本发明提供耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺。
发明内容
发明目的：本发明的目的是针对现有技术的不足，提供耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺，其特点是强力保持率好，透气性良使滤袋能够耐腐蚀、易清灰、不变形，有利于延长滤袋使用寿命，按照滤袋的实际规格要求，采用全自动缝纫制袋生产线进行制袋。
技术方案：本发明提供耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺，包括以下步骤，步骤1、纤维开松，把50%PTFE纤维+50%PPS纤维原料按照配比称重，开松机先进行初步松解，将大的纤维团开松，同时使原料中PTFE纤维和PPS纤维获得均匀的混合，然后进行精开松，进一步松解纤维，混合纤维成分，开松充分、混合均匀并尽量避免纤维损伤。步骤2、纤维梳理，纤维经过开松与充分混合后，进入气压棉箱，准备喂入梳理机，进入梳理机后通过剥辊与锡林之间的博取作用实现对纤维的梳理，最终被道夫转移出去形成纤维网，此时经过梳理的纤维网是轻薄的单网。步骤3、铺网，纤网进入铺网机，铺网小车由齿形带传动，将梳理机输出的纤维单网进行交叉折叠，使之成为具有幅宽2.2米、单位克重为650g/㎡多层纤网，以供下道工序使用。步骤4、针刺压实，纤网进入针刺机，针刺机内有大量的带有刺钩的刺针，对纤维网反复进行穿刺。步骤5、后处理，（1）轧光，通过轧光机热轧350℃可使非织造材料表面光滑、平整，厚度均匀，增加非织造材料的光洁度与平整性，并可增加材质的紧密度；（2）烧毛，利用烧毛机器将其表面突起的毛羽烧掉，使之光洁；（3）乳液浸渍，将制成的针刺毡浸渍在化学制剂中，以提升针刺毡滤料的耐高温、耐酸碱、耐氧化剂的性质，其中，化学制剂中为PTFE浓缩分散液和防水防油剂的混合液；（4）高温定型，针刺毡滤料进入拉幅烘箱，实现对滤料的高温定型，使得滤料在使用中形变小，滤料尺寸稳定性高，使用寿命长，其中，拉幅烘箱的温度为350℃，定型时间为5分钟；（5）覆膜，制得的针刺毡滤料通过覆膜机用PTFE薄膜进行覆膜，通过300℃热轧辊热压，使PTFE薄膜附着在布上，覆膜后的滤料将具有表面过滤效果，过滤精度提高，能够过滤更细小的粉尘颗粒，防腐蚀耐高温性能提升。步骤6、按照滤袋的实际规格要求，采用全自动缝纫制袋生产线进行制袋。
本技术方案的，所述步骤4中，纤维网经过反复的铺叠，在喂入针刺机时十分蓬松，厚度可观，但强力差，当刺针在纤网反复穿刺造成纤维上下位移，产生挤压，使纤网中的纤维靠拢而被压缩，纤维之间摩擦力加大，强度增高，形成具有一定强力密度的非织造品。
本技术方案的，所述耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺制得的混纺针刺毡，采用PTFE纤维和PPS纤维混纺后经过梳理成网作为上下面层，中间PTFE纤维作基布。
本技术方案的，所述步骤4中上下面层、中间PTFE纤维作基布复合经8道高速针刺制作而成，后整理经PTFE浸渍、热定型、防水防油、PTFE涂层处理，使纤维表面形成致密的PTFE保护层。
与现有技术相比，本发明的耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺的有益效果在于：1、PTFE纤维+PPS纤维刺毡滤料是在基布两面分别覆盖立体交错的PTFE纤维合和PPS纤维，经压实固定后用针刺机针刺而成的纤维结构呈立体状态的滤料；2、针刺毡滤料孔径小，过滤阻力低、透气性好、捕捉粉尘效率高。过滤效率可达99.99%以上。
具体实施方式
下面结合具体实施例，进一步阐明本发明。
实施例
本发明的耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺，包括以下步骤，步骤1、纤维开松，把50%PTFE纤维+50%PPS纤维原料按照配比称重，开松机先进行初步松解，将大的纤维团开松，同时使原料中PTFE纤维和PPS纤维获得均匀的混合，然后进行精开松，进一步松解纤维，混合纤维成分，开松充分、混合均匀并尽量避免纤维损伤。步骤2、纤维梳理，纤维经过开松与充分混合后，进入气压棉箱，准备喂入梳理机，进入梳理机后通过剥辊与锡林之间的博取作用实现对纤维的梳理，最终被道夫转移出去形成纤维网，此时经过梳理的纤维网是轻薄的单网。步骤3、铺网，纤网进入铺网机，铺网小车由齿形带传动，将梳理机输出的纤维单网进行交叉折叠，使之成为具有幅宽2.2米、单位克重为650g/㎡多层纤网，以供下道工序使用。步骤4、针刺压实，纤网进入针刺机，针刺机内有大量的带有刺钩的刺针，对纤维网反复进行穿刺。步骤5、后处理，（1）轧光，通过轧光机热轧350℃可使非织造材料表面光滑、平整，厚度均匀，增加非织造材料的光洁度与平整性，并可增加材质的紧密度；（2）烧毛，利用烧毛机器将其表面突起的毛羽烧掉，使之光洁；（3）乳液浸渍，将制成的针刺毡浸渍在化学制剂中，以提升针刺毡滤料的耐高温、耐酸碱、耐氧化剂的性质，其中，化学制剂中为PTFE浓缩分散液和防水防油剂的混合液；（4）高温定型，针刺毡滤料进入拉幅烘箱，实现对滤料的高温定型，使得滤料在使用中形变小，滤料尺寸稳定性高，使用寿命长，其中，拉幅烘箱的温度为350℃，定型时间为5分钟；（5）覆膜，制得的针刺毡滤料通过覆膜机用PTFE薄膜进行覆膜，通过300℃热轧辊热压，使PTFE薄膜附着在布上，覆膜后的滤料将具有表面过滤效果，过滤精度提高，能够过滤更细小的粉尘颗粒，防腐蚀耐高温性能提升。步骤6、按照滤袋的实际规格要求，采用全自动缝纫制袋生产线进行制袋。
进一步优选的，所述步骤4中，纤维网经过反复的铺叠，在喂入针刺机时十分蓬松，厚度可观，但强力差，当刺针在纤网反复穿刺造成纤维上下位移，产生挤压，使纤网中的纤维靠拢而被压缩，纤维之间摩擦力加大，强度增高，形成具有一定强力密度的非织造品；所述耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺制得的混纺针刺毡，采用PTFE纤维和PPS纤维混纺后经过梳理成网作为上下面层，中间PTFE纤维作基布。
其中，所述步骤4中上下面层、中间PTFE纤维作基布复合经8道高速针刺制作而成，后整理经PTFE浸渍、热定型、防水防油、PTFE涂层处理，使纤维表面形成致密的PTFE保护层。
本发明的PTFE纤维、PPS纤维混纺针刺毡制备工艺制得的滤袋，使用温度可以200℃环境下正常工作，防腐性能优良，抗氧化性能提高。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以作出若干改进，这些改进也应视为本发明的保护范围。

Claims (4)

1.耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺，其特征在于：包括以下步骤，
步骤1、纤维开松，把50%PTFE纤维+50%PPS纤维原料按照配比称重，开松机先进行初步松解，将大的纤维团开松，同时使原料中PTFE纤维和PPS纤维获得均匀的混合，然后进行精开松，进一步松解纤维，混合纤维成分，开松充分、混合均匀并尽量避免纤维损伤；
步骤2、纤维梳理，纤维经过开松与充分混合后，进入气压棉箱，准备喂入梳理机，进入梳理机后通过剥辊与锡林之间的博取作用实现对纤维的梳理，最终被道夫转移出去形成纤维网，此时经过梳理的纤维网是轻薄的单网；
步骤3、铺网，纤网进入铺网机，铺网小车由齿形带传动，将梳理机输出的纤维单网进行交叉折叠，使之成为具有幅宽2.2米、单位克重为650g/㎡多层纤网，以供下道工序使用；
步骤4、针刺压实，纤网进入针刺机，针刺机内有大量的带有刺钩的刺针，对纤维网反复进行穿刺；
步骤5、后处理，
（1）轧光，通过轧光机热轧350℃可使非织造材料表面光滑、平整，厚度均匀，增加非织造材料的光洁度与平整性，并可增加材质的紧密度；
（2）烧毛，利用烧毛机器将其表面突起的毛羽烧掉，使之光洁；
（3）乳液浸渍，将制成的针刺毡浸渍在化学制剂中，以提升针刺毡滤料的耐高温、耐酸碱、耐氧化剂的性质，其中，化学制剂中为PTFE浓缩分散液和防水防油剂的混合液；
（4）高温定型，针刺毡滤料进入拉幅烘箱，实现对滤料的高温定型，使得滤料在使用中形变小，滤料尺寸稳定性高，使用寿命长，其中，拉幅烘箱的温度为350℃，定型时间为5分钟；
（5）覆膜，制得的针刺毡滤料通过覆膜机用PTFE薄膜进行覆膜，通过300℃热轧辊热压，使PTFE薄膜附着在布上，覆膜后的滤料将具有表面过滤效果，过滤精度提高，能够过滤更细小的粉尘颗粒，防腐蚀耐高温性能提升；
步骤6、按照滤袋的实际规格要求，采用全自动缝纫制袋生产线进行制袋。
2.根据权利要求1所述的耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺，其特征在于：所述步骤4中，纤维网经过反复的铺叠，在喂入针刺机时十分蓬松，厚度可观，但强力差，当刺针在纤网反复穿刺造成纤维上下位移，产生挤压，使纤网中的纤维靠拢而被压缩，纤维之间摩擦力加大，强度增高，形成具有一定强力密度的非织造品。
3.根据权利要求1或2所述的耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺，其特征在于：所述耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺制得的混纺针刺毡，采用PTFE纤维和PPS纤维混纺后经过梳理成网作为上下面层，中间PTFE纤维作基布。
4.根据权利要求3所述的耐碱PTFE纤维、PPS纤维混纺针刺毡的制备工艺，其特征在于：所述步骤4中上下面层、中间PTFE纤维作基布复合经8道高速针刺制作而成，后整理经PTFE浸渍、热定型、防水防油、PTFE涂层处理，使纤维表面形成致密的PTFE保护层。
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110404338A (zh) * 2019-08-29 2019-11-05 安徽元琛环保科技股份有限公司 一种有机基材-陶瓷复合膜滤料的制备方法及制得的滤料
CN111589228A (zh) * 2019-12-20 2020-08-28 上海相寻电子科技有限公司 一种过滤材料、其制备方法和应用
CN112359490A (zh) * 2020-10-27 2021-02-12 安徽中电环保材料股份有限公司 一种ptfe与pps复合耐高温滤料的制备方法
CN113802268A (zh) * 2021-08-02 2021-12-17 苏州德崧净化有限公司 针刺工艺
CN114108178A (zh) * 2021-12-07 2022-03-01 上海澜森过滤材料科技有限公司 一种基于减量法的ptfe过滤毡生产工艺
CN114290788A (zh) * 2022-01-13 2022-04-08 浙江华基环保科技有限公司 一种ptfe芳纶复合耐高温针刺过滤袋的生产工艺
CN114434711A (zh) * 2022-02-10 2022-05-06 浙江华基环保科技有限公司 一种水泥窑尾用超低排放针刺滤袋的生产工艺
CN114457507A (zh) * 2022-02-10 2022-05-10 浙江华基环保科技有限公司 一种涤纶防糊袋针刺毡的生产工艺
CN114687061A (zh) * 2022-04-02 2022-07-01 抚顺天宇滤材有限公司 一种适用于煤泥行业的滤料及其制作工艺
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WO2023134388A1 (zh) * 2022-01-17 2023-07-20 浙江华基环保科技有限公司 一种钢铁厂抗氧化防静电针刺毡的生产方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101862567A (zh) * 2010-07-01 2010-10-20 张延青 一种耐高温纤维层复合过滤材料及其制作方法
CN102423575A (zh) * 2011-10-18 2012-04-25 绍兴中纺院江南分院有限公司 一种往复铺设无交织基布的pps纤维针刺滤料及其生产方法
CN104771958A (zh) * 2015-03-25 2015-07-15 浙江华基环保科技有限公司 一种聚苯硫醚与聚四氟乙烯复合针刺毡及其制造方法
CN107460632A (zh) * 2017-07-21 2017-12-12 江苏明晶布业股份有限公司 一种高硅氧针刺毡生产工艺
CN108998891A (zh) * 2018-08-29 2018-12-14 江苏润众环保材料有限公司 Ptfe针刺毡铺网控制装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101862567A (zh) * 2010-07-01 2010-10-20 张延青 一种耐高温纤维层复合过滤材料及其制作方法
CN102423575A (zh) * 2011-10-18 2012-04-25 绍兴中纺院江南分院有限公司 一种往复铺设无交织基布的pps纤维针刺滤料及其生产方法
CN104771958A (zh) * 2015-03-25 2015-07-15 浙江华基环保科技有限公司 一种聚苯硫醚与聚四氟乙烯复合针刺毡及其制造方法
CN107460632A (zh) * 2017-07-21 2017-12-12 江苏明晶布业股份有限公司 一种高硅氧针刺毡生产工艺
CN108998891A (zh) * 2018-08-29 2018-12-14 江苏润众环保材料有限公司 Ptfe针刺毡铺网控制装置

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110404338A (zh) * 2019-08-29 2019-11-05 安徽元琛环保科技股份有限公司 一种有机基材-陶瓷复合膜滤料的制备方法及制得的滤料
CN111589228A (zh) * 2019-12-20 2020-08-28 上海相寻电子科技有限公司 一种过滤材料、其制备方法和应用
CN112359490A (zh) * 2020-10-27 2021-02-12 安徽中电环保材料股份有限公司 一种ptfe与pps复合耐高温滤料的制备方法
CN112359490B (zh) * 2020-10-27 2021-07-13 安徽中电环保材料股份有限公司 一种ptfe与pps复合耐高温滤料的制备方法
CN113802268A (zh) * 2021-08-02 2021-12-17 苏州德崧净化有限公司 针刺工艺
CN114108178B (zh) * 2021-12-07 2023-01-24 上海澜森过滤材料科技有限公司 一种基于减量法的ptfe过滤毡生产工艺
CN114108178A (zh) * 2021-12-07 2022-03-01 上海澜森过滤材料科技有限公司 一种基于减量法的ptfe过滤毡生产工艺
CN114290788A (zh) * 2022-01-13 2022-04-08 浙江华基环保科技有限公司 一种ptfe芳纶复合耐高温针刺过滤袋的生产工艺
WO2023134388A1 (zh) * 2022-01-17 2023-07-20 浙江华基环保科技有限公司 一种钢铁厂抗氧化防静电针刺毡的生产方法
CN114457507A (zh) * 2022-02-10 2022-05-10 浙江华基环保科技有限公司 一种涤纶防糊袋针刺毡的生产工艺
CN114457507B (zh) * 2022-02-10 2022-09-02 浙江华基环保科技有限公司 一种涤纶防糊袋针刺毡的生产工艺
CN114434711A (zh) * 2022-02-10 2022-05-06 浙江华基环保科技有限公司 一种水泥窑尾用超低排放针刺滤袋的生产工艺
WO2023151384A1 (zh) * 2022-02-10 2023-08-17 浙江华基环保科技有限公司 一种涤纶防糊袋针刺毡的生产工艺
CN114687061A (zh) * 2022-04-02 2022-07-01 抚顺天宇滤材有限公司 一种适用于煤泥行业的滤料及其制作工艺
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