共查询到18条相似文献,搜索用时 140 毫秒
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高炉炉料结构的研究及其优化配料数学模型的建立 总被引:1,自引:0,他引:1
以高炉炼铁工艺计算和高炉炉料结构理论为基础,结合在炉料结构方面的最新科研成果,建立一套高炉优化配料模型,并利用软件技术开发了相应的炉料数据库、专家数据库及其优化配料的数学模型,对宝钢高炉的配料数据进行验算,结果表明建立的模型是合理可行的.该模型能够快速得到满足其约束条件的优化配料方案,优化后配料方案的吨铁成本比实际生产采用的配料方案降低0.44%. 相似文献
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高炉操作参数优化数学模型 总被引:2,自引:0,他引:2
采用数学规划论和最优化方法,建立高炉操作参数优化数学模型。通过对某钢厂实际生产数据的统计分析,得到了焦比,焦炭负荷,高炉利用系数等参数的多元线性回归方程,并通过计算标准回归系数确定各因素对目标函数值的影响程度和自变量与因变量的正、负相关性,调整主要参数,使目标函数接近或达到最优值。 相似文献
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为提高熟料率,武钢5号炉进行了几种进口球团矿的生产试验。结果表明,在武钢条件下,进口球团矿率的合理使用范围为15%-20%。高炉每增加1%的球团矿可增产0.35%,降低焦比0.24%。 相似文献
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铁矿石的价值评价与线性规划优化配料 总被引:3,自引:1,他引:2
针对攀钢烧结使用的原料品种越来越多,采用单烧方法计算了处种铁矿石单烧状态下的烧结矿品位、吨度价格,并以此作为评价铁矿石价值及矿石采购的重要依据。文章还利用基于目标规划模型对攀钢烧结原料进行优化配料,其原料成本明显低于经验配料法,具有显著的经济效益。 相似文献
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根据高炉冶炼理论,结合具体检测条件,建立高炉无料钟布料和软熔带应用数学模型。在实践中,应用该数学模型寻求高炉生产与布料及软熔带特性等关系,便于分析指导控制生产。 相似文献
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《钢铁研究学报(英文版)》2016,(8):765-771
Mathematical models for burden descending process have been applied to obtain whole burden structures in blast furnace,whereas the accuracy of those burden descent models has not been sufficiently investigated.Special evaluation method based on timeline burden profiles was established to quantitatively evaluate the error between ex-perimental and modeled burden structures.Four existing burden descent models were utilized to describe the burden structure of a 1/20 scaled warm blast furnace.Input modeling conditions including initial burden profile,descending volumes in each time interval,and normalized descending velocity distribution were determined via special image pro-cessing technology.Modeled burden structures were evaluated combined with the published experimental data.It is found that all the models caught the main profile of the burden structure.Furthermore,the improved nonuniform de-scent model (Model IV)shows the highest level of precision especially when burden descends with unstable velocity distribution tendency.Meanwhile,the traditional nonuniform descent model (Model III)may also be desirable to model the burden descending process when the burden descending velocity presents a linear tendency.Finally,the uni-form descent model (Model I)might be the first option for roughly predicting burden structure. 相似文献
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