圆筒形高效过滤器模拟分析与样机试制  

Simulation Analysis and Prototyping of Cylindrical High-efficiency Filter

作　　者：陈欣 魏鹏 李晓晨 支冬安 李昕 张崇文 俞杰[1] 高琳锋[1] 丘丹圭[1] 吴波[1] CHEN Xin;WEI Peng;LI Xiaochen;ZHI Dongan;LI Xin;ZHANG Chongwen;YU Jie;GAO Linfeng;QIU Dangui;WU Bo(CNNC Key Laboratory of Radioactive Gas Purification Technology,China Institute for Radiation Protection,Taiyuan of Shanxin Prov.030006,China;Taishan Nuclear Power Joint Venture Co.,Ltd.,Taishan of Guangdong Prov.529228,China)

机构地区：[1]中国辐射防护研究院中核集团放射性气体净化技术重点实验室,山西太原030006 [2]台山核电合营有限公司,广东台山529228

出　　处：《核科学与工程》2024年第5期1073-1079,共7页Nuclear Science and Engineering

基　　金：国家科研项目(No.KY20007)。

摘　　要：研究了一种新型玻璃纤维滤材的过滤阻力-过滤速度关系,并根据圆筒形滤芯的额定风量和过滤阻力要求,确定了滤芯的基本设计参数。根据滤材特性建立了二维多孔介质模型,并进一步建立了滤芯的三维模型,对其额定风量下的流场分布和过滤阻力开展了模拟分析,对比分析了模拟结果和理论设计结果的匹配性。建立了圆筒形壳体的模型,在网格划分的基础上,分步开展圆筒形高效过滤器流场和阻力的模拟分析,指导了样机试制工作。研究结果表明:实际测试结果与模拟分析结果展现了良好的一致性,可用于指导实际生产工作;圆筒形高效过滤器的初阻力包括滤芯和筒体两部分,且筒体产生的阻力较为可观,需要进一步优化结构设计。The filtration resistance-filtration rate relationship of a new glass fiber filter material was studied,and the basic parameters of the filter cartridge were determined according to the rated airflow and filtration resistance requirements.A 2D porous medium model was established according to the characteristics of the filter material,and a 3D model of the cartridge was further established to carry out simulation analysis of its flow field distribution and filtration resistance under the rated airflow.Then the matching between the simulation results and the theoretical design results was compared and analyzed.The model of cylindrical shell was established,and the simulation analysis of the flow field and resistance of cylindrical high-efficiency filter was carried out step by step on the basis of the mesh division,which guided the trial production of the prototype.The study results show that:the test results show good consistency with the simulation results and can be used to guide the actual production work.The initial resistance of the prototype involves both the filter cartridge and the shell.Besides,the resistance generated by the shell is considerable,giving rise to the need for further structural optimization.

关 键 词：圆筒形高效过滤器 模拟分析 流场 过滤阻力 样机试制 

分 类 号：TL77[核科学技术—辐射防护及环境保护]