高温气体净化用陶瓷纤维过滤材料的制备及性能  

Preparation and Performance of Ceramic Fiber Filtration Material for High Temperature Gas Purification

作　　者：唐钰栋 程之强 薛友祥[1] 赵世凯[1] 张久美[1] 沈鹏[1] 徐传伟[1] 马腾飞 李小勇[1] 李杰[1] TANG Yu-Dong;CHENG Zhi-Qiang;XUE You-Xiang;ZHAO Shi-Kai;ZHANG Jiu-Mei;SHEN Peng;XU Chuan-Wei;MA Teng-Fei;LI Xiao-Yong;LI Jie(Shandong Industrial Ceramic Research&Design Institute Co.,Ltd,Zibo 255000,China)

机构地区：[1]山东工业陶瓷研究设计院有限公司,山东淄博255000

出　　处：《现代技术陶瓷》2020年第5期303-311,共9页Advanced Ceramics

摘　　要：本文采用真空旋转抽滤成型工艺,以莫来石纤维为主要原料制备了高温气体净化用陶瓷纤维过滤材料,研究了纤维浆料搅拌时间和烧结温度对纤维膜材料性能的影响,评价其过滤及热震性能。实验结果表明:当纤维膜浆料搅拌2 h时,在1000°C下烧结可以制备出过抗压强度为4.75 MPa、透气阻力95 Pa、气孔率为85%、平均孔径为70mm、显微结构均匀的纤维膜材料,其除尘效率可达99.99%,且具有良好的热震性能。In this paper,the ceramic fiber filtration material for high temperature gas purification was prepared by vacuum rotary filtration molding process.Mullite fiber was used as the main raw material.The experimental results show that,when the fiber membrane slurry was stirred for 2 h and the green body was sintered at 1000°C,the fiber membrane material with compressive strength of 4.75 MPa,air permeability resistance of 95 Pa,porosity of 85%,average pore diameter of 70mm and uniform microstructure was prepared.Its dust removal efficiency can reach 99.99%,and it has good thermal shock performance.

关 键 词：陶瓷纤维膜材料 高温气体净化 陶瓷膜 真空抽滤 

分 类 号：TQ174[化学工程—陶瓷工业]