高炉精准封炉冶炼技术研究及应用(下篇)

Research and Application of Precise Banking Smelting Technology of Furnace(Part Three)

基于炼铁理论,结合实践经验,辅以计算机信息化手段建立的定量化、模块化封炉冶炼控制方法和流程应用于具体容积、原燃料高炉。结果表明,该技术有效提升高炉封炉特殊操作的精确度,封炉过程中计划腾出容积与按理论料速计算值偏差率为-0.260%,封炉料计划填充容积与实际值偏差率为1.11%,计划填充料线与实际值偏差值为0.27 m,依据理论料速计算腾出容积计算的封炉焦比与计划腾出容积配料封炉焦比计算值偏差率为-0.91%。

The quantitative,modularization banking smelting control method and flow applied in specific volume,crude fuel blast furnace,which was established based on ironmaking theory,combined with hands-on experience,supplemented by computer information technologies.Results show that the technology can effectively improve the accuracy of special operations furnace banking,the deviation rate of the planned free volume in the banking process and actual value is-0.260%,and the deviation rate of the scheduled filling volume and actual value is 1.11%,the difference of the planned filler line and the actual value is 0.27 m,the deviation rate is-0.91%between banking coke ratio calculated by free volume according to theoretical material velocity,and the ingredient sealing furnace coke ratio for the planned free.