石油化工装置中仪表电缆选型的若干问题探讨  

Discussion on Several Instrumentation Cable Type Selection Problems in Petrochemical Plants

作　　者：梁达 孟铎 Liang Da;Meng Duo(Wuhuan Engineering Co.Ltd.,Wuhan,430223,China)

机构地区：[1]中国五环工程有限公司,湖北武汉430223

出　　处：《石油化工自动化》2021年第1期28-31,共4页Automation in Petro-chemical Industry

摘　　要：结合石油化工装置中仪表电缆的特点和信号类型,对仪表电缆的绝缘和护套材质、双绞线的节距、屏蔽类型、铠装层和接地线的颜色标识等问题深度探讨和分析,介绍了在仪表电缆选型时需要关注的细节和参数,并给出了选型建议,同时介绍了电缆的正确安装、敷设和接地的问题,对仪表电缆的选型有一定的参考意义。With combination of the characteristics of instrumentation cables and signal type in petrochemical plant, insulation material and sheath material of instrument cables, length of twisted pair, shielding type, the armor layer and the identification color of grounding wire, etc., are discussed and analyzed. The details and parameters which need to be paid attention to the instrument cable type selection are introduced, selection suggestions are proposed. The correct installing, laying and grounding of instrument cable are introduced. It has certain reference significance for the selection of instrumentation cables.

关 键 词：仪表电缆 石油化工装置 电缆选型 技术参数 

分 类 号：TM246[一般工业技术—材料科学与工程]