According to a polystyrene （PS） plat engineering design, for the polystyrene （PS） of the physical and chemical properties, and fire hazard characteristics of the production process, from the general layout, process equipment, piping, process safety control, building structure, electrical and other aspects of the design features of the analysis, design should consider the safety issues and recommendations.%根据某聚苯乙烯（PS）装置工程的设计，针对聚苯乙烯（PS）的物理化学性质、生产工艺流程和火灾危险特性，从总平面布置、工艺设备、管道、工艺安全控制、建筑结构、电气等方面的设计要点分析，提出安全设计应考虑的问题和建议。
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