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本文推导出“煤气作还原剂时计算煤气需要量的公式”和“煤气作热载体时计算煤气需要量的公式”。用这两个公式计算的结果表明:熔融还原是用煤作一次能源,作还原剂需要的煤气量大于作热载体需要的煤气量,降低还原剂需要的煤气量才能降低熔融还原的煤耗和氧耗。本文还讨论了煤气循环利用对熔融还原的意义
This paper deduces the formula for calculating the gas requirement when using coal gas as the reducing agent and the formula for calculating the gas requirement when using the gas as the heat carrier. The results calculated by these two formulas show that the melting reduction is to use coal as the primary energy, the amount of gas required for the reducing agent is greater than the amount of gas required for the heat carrier, and the amount of gas required for the reducing agent can be reduced to reduce the coal consumption and oxygen Consumption This article also discusses the significance of gas recirculation to smelting reduction