我单位共有5台4-72 NO.8D型风机,担负着从球磨机筒体中排风的任务,为降低球磨机大瓦温度及排除粉尘减少环境污染起到重要作用。 1 原风机存在的主要缺陷 (1)原风机轴承箱的油标采用了有机玻璃油镜结构,使用时间较长后,出于油液中杂质污染等原因,油镜玻璃变得模糊, My unit has a total of 5 sets of 4-72 NO.8D-type fan, responsible for the exhaust from the ball mill cylinder mission, to reduce the temperature of the mill tile and eliminate dust to reduce environmental pollution played an important role. A main fan of the main shortcomings (1) the original fan bearing box with oil glass plexiglass oil mirror structure, the use of a long time, due to impurities in the oil contamination and other reasons, the glass becomes fuzzy glass,