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大庆炼化公司机电仪厂机电维护一车间的“聚丙烯装置汽缸阀加润滑”改造不仅延长了仪表设备使用寿命,而且为30万吨/年聚丙烯装置冬季安全平稳运行提供了有力保障。聚丙烯装置有四台高频汽缸式控制开关球阀,任意一台故障都将导致造粒系统停工。其中一台在2011年有3次因汽缸损坏而不能使控制阀工作,为此准备两
Daqing Refining & Chemical Machinery and Electrical Instrument Factory Electrical and Mechanical Services maintenance of a workshop “polypropylene device cylinder valve plus lubrication ” not only to extend the service life of instrumentation, but also for the 300,000 tons / year polypropylene plant safe and stable operation of winter provides a strong guarantee . Polypropylene unit has four high-frequency cylinder control switch ball valve, any failure will lead to the shutdown of the pelletizing system. One of them failed to make the control valve work 3 times in 2011 due to cylinder damage, so two