兰州炼油化工总厂微球催化剂生产装置有四台GP20-2.6x型转鼓真空过滤机,用于硅铝胶体的过滤.自1965年投运以来,一直沿用绳索卸料.由于绳索易断,影响了单机处理量. 1987年3月用了半个月时间把四台滤机由绳索卸料改为折带式卸料.投运后过滤能力由改造前的20t提高到25t,每年可多生产微球催化剂1500t. Lanzhou Refining & Chemical Plant microsphere catalyst production device has four GP20-2.6x-type drum vacuum filter for silica-alumina gel filtration. Since commissioning in 1965, has been using ropes discharge.As the rope is broken, Affecting the stand-alone capacity in 1987 March spent half a month to four filter discharge from the rope to the break-type discharge. Put into operation after the filtration capacity of 20t increased to 25t, more each year Production of microspheres catalyst 1500t.