制氧纯化系统污氮预热效果及节能分析  

Analysis of preheating effect and energy saving of sewage nitrogenin oxygen purification system

作　　者：孔庆国 范天骄[1] 杜蒙[1] 宋玥儒 王等虎 Kong Qingguo;Fan Tianjiao;Du Meng;Song Yueru;Wang Denghu(Sinosteel Anshan Research Institute of Thermo-Energy Co.,Ltd.;Shihezi University;Tianjin Pipe Co.,Ltd.)

机构地区：[1]中钢集团鞍山热能研究院有限公司 [2]石河子大学经济管理学院 [3]天津钢管制造有限公司

出　　处：《冶金能源》2024年第2期43-46,共4页Energy For Metallurgical Industry

摘　　要：根据某钢铁企业生产实际情况和工艺要求,回收4万m~3/h制氧机组压缩空气余热用于预热分子筛纯化过程加热用污氮,降低电加热器电耗,同时压缩空气温度降低,可减少空气预冷系统中冷水机组电耗,达到节能降耗减排增效的目的。According to the actual production situation and technological requirements of an iron and steel enterprise,recycle the waste heat of compressed air in the oxygen production unit of 40000m 3/h for preheating the dirty nitrogen used in the heating process of molecular sieve purification,reducing the power consumption of electric heater,and reducing the temperature of compressed air can reduce the power consumption of chiller in the air precooling system,achieving the purpose of saving energy,reducing consumption,reducing emission and increasing efficiency.

关 键 词：纯化系统 污氮预热 余热回收 节能 

分 类 号：TQ116.14[化学工程—无机化工]