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介绍了炼油厂催化裂化装置用特殊阀门的结构和特点 ,以及在装置中所起的作用 ,指出了基本的设计条件和参数范围 ,阐述了设计及制造中应注意的问题。
This paper introduces the structure and characteristics of the special valve used in the FCCU and the role it plays in the installation. The basic design conditions and parameter ranges are pointed out, and the problems to be noticed in design and manufacture are described.