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1989年3月8日,在上海高桥石化公司炼油厂召开了双螺杆泵应用技术鉴定会。目前国内炼油厂冷蜡输送采用蒸汽往复泵,这种泵结构复杂、体积大、能耗高,是酮苯脱蜡装置节能改造的难点之一。为此,中国石油化工总公司北京设计院、上海高桥石化公司炼油厂和天津市工业泵厂达成协议,由天津市工业泵厂提供双螺杆泵样机,在上海高桥石化公司炼油厂1号酮苯脱蜡装
March 8, 1989, Shanghai Gaoqiao Petrochemical Company refinery held a double screw pump appraisal technology. At present, the domestic refinery cold wax conveying adopts the steam reciprocating pump, which has the advantages of complex structure, large volume and high energy consumption, and is one of the difficulties in the energy-saving retrofit of the ketone-benzene dewaxing device. To this end, China Petrochemical Corporation Beijing Design Institute, Shanghai Gaoqiao Petrochemical Company refinery and Tianjin Industrial Pump Factory reached an agreement by the Tianjin Industrial Pump Factory to provide twin-screw pump prototype, Shanghai Gao Qiao Petrochemical Company refinery No. 1 Ketone benzene dewaxing equipment