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由于计量仪表质量欠佳,目前大多数高炉采用计算方法进行热能平衡.计算高炉煤气回收量前先要计算煤气的发生量,其计算方法有氮平衡法、碳平衡法等等.前者须入炉风量和煤气成分精确,后者也须各种原燃料的化学成分(包括挥发份的组成)与煤气成分等精确,计算起来都较为复杂.为计算简便,冶金部在1982年曾颁发的《钢铁企业能源平衡及能耗指标计算办法的暂行规定》
Due to the poor quality of measuring instruments, most blast furnaces use the calculation method for thermal energy balance. Calculate the amount of gas generated before calculating the amount of blast furnace gas recovery, which is calculated by nitrogen balance method, carbon balance method, etc. The former must be put into furnace Accurate air volume and gas composition, the latter also have to be a variety of raw fuel chemical composition (including volatile composition) and gas composition and other accurate, more complicated to calculate. For the calculation is simple, the Ministry of Metallurgical had issued in 1982, “Steel Enterprise energy balance and energy consumption indicators Interim Provisions ”