摘要
针对电弧炉炼钢过程中电能消耗高的问题,采用能量平衡理论分析了电炉冶炼系统的能量输入输出情况:电炉损失的热量主要被冷却水、炉渣及炉气带走,熔池内CO二次燃烧率低是能量损失的重要原因,并对电炉烟道抽气参数进行优化,提高了熔池的热效率。工业化试验表明,当铁水比达0.6~0.7时,电炉熔池有效热利用率最高,烟道参数优化后吨钢电耗降低约20 k W·h·t~(-1)。
Aiming at the problem of high energy consumption of EAF steelmaking,the energy input and output of EAF steelmaking system is analyzed by the theory of energy balance:the heat loss of electric furnace is mainly taken away by cooling water,slag and furnace gas.The main reason of energy loss is that post–combustion for flue gas is low.By optimizing the parameters of the electric furnace flue,the thermal efficiency of the molten pool is improved.Industrial test shows that when the hot metal ratio of 0.6~0.7 weld pool effective heat utilization rate was the highest,and the power consumption per ton of steel is reduced about 20 k W·h·t-1 after the optimization of the flue parameters.
作者
赵伟杰
张艳梅
仇秋玲
ZHAO Weijie;ZHANG Yanmei;QIU Qiulin(Shanghaj Electrie Group Co.Ltd,Central Academe,Shanghai 20000,China;Institute of Research of Iron and Steel,ShasteelJiangsu Province,Zhangjiagang 215625,China)
出处
《工业加热》
CAS
2021年第1期11-13,共3页
Industrial Heating
关键词
电弧炉
能量平衡
电能
烟气
二次燃烧
EAF
energy balance
electricity
flu gas
post-combustion
