Abstract : this article introduces a new sieve covering . it features as follow ; slot wit h standardized dimension ; smoth surface ; low sliding resistance ; little risk of clogging ; fabricate and raplace singly ; high wear & erosive resistance . and research on how to adjust sieve parameters to separate the mixture that diffcult to filter 文摘:分析专利技术生产的新型板网具有缝隙均匀，表面光洁，摩擦阻力小，不堵料，装拆方便，使用寿命长，耐腐蚀等优点，并对过滤中如何调整板网参数满足难过滤物料的要求进行了研究。
