从迁钢2号高炉系统投产运行现状,分析了风温限制环节,从热风炉、热风管道和高炉接受高风温等全面考察了其实现高风温的可行性.通过迁钢2号高炉开展高风温试验,总结分析了实现高风温的具体措施,阐明高风温不仅与热风炉操作紧密关联,而且原燃料、高炉操作等因素直接影响高炉使用高风温.研究结果表明:高风温必须与大喷煤、富氧等技术相结合,才能实现并发挥节能作用.本次高风温试验初步实现最高风温1 280℃的目标,上述研究为进一步提高风温试验提供参考.
The limited factors of blast temperature were analyzed as to present state of Qiangang No.2 blast furnace system,and the feasibility of high blast temperature was reviewed from hot blast stove,hot pipe and high blast temperature capability of BF.By high blast temperature test in Qiangang No.2 blast furnace,practical measures of realizing high blast temperature were summed up and analyzed.It shows that high blast temperature is related with not only stove operation but also material-fuel and operation of blast furnace.The results show that high blast temperature should be combined with technology such as pulverized coal injection and enriched-oxygen,and the effect of energy-saving will be realized.The aim of high blast temperature to 1 280℃is realized by this test of high blast temperature,the study above will offer the referenced role to further improve blast temperature.
参考文献
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