制粒颗粒对容积式自动冷压的影响研究  

Research on the Effect of Granulating Particle on Volumetric Automatic Cold Pressing

作　　者：李运海[1,2] 谢志刚[2] 

机构地区：[1]桂林特邦新材料有限公司,广西桂林541004 [2]中国有色桂林矿产地质研究院有限公司,广西桂林541004

出　　处：《超硬材料工程》2016年第3期11-17,共7页Superhard Material Engineering

摘　　要：介绍了刮筛-滚圆式和喷雾-高速搅拌式两种造粒机的制粒原理和特点。测量了两种制粒颗粒的实用球形度Ψ_w,刮筛-滚圆制粒料为0.821,喷雾-高速搅拌制粒料为0.902。对比了三种粒度范围的制粒料的容积自动冷压,结果60~100目的制粒料冷压重量最稳定。对比了卧向冷压和竖向冷压两种方式对制粒料的影响,在卧向冷压时,两种制粒方式都能满足要求,在竖向冷压时,刮筛-滚圆式制粒料冷压坯的重量偏差大。Granulating principle and features of screen scraping-spheronization and sprayhigh speed agitation granulator granulation are introduced in this article.Practical sphericity of the two types of granulating particles has been measured,the results are：0.821 for screen scraping-spheronization type granules and 0.902 for spray-high speed agitation granules.Volumetric automatic cold pressing of granules of three types of particle size range has been compared.Result shows that cold press weight of granules of 60-100 mesh is the most stabilized.Influence of horizontal cold pressing and vertical cold pressing on granulating grits has also been compared.Both granulation methods can meet requirements under horizontal cold pressing conditions.Under vertical cold pressing conditions,larger weight deviation of cold-pressed compacts of screen scraping-spheronization type granules has been identified.

关 键 词：制粒 颗粒形状指数 容积式自动冷压 金刚石工具 压制方向 

分 类 号：TQ163[化学工程—高温制品工业]