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对影响霍林河南露天矿煤炭质量稳定性因素进行了分析，用组合方案法及煤层／产值法对产品方案进行优化，用综合技术经济模型模拟得到最佳灰分指标，并用周期－循环配煤模式实现整个生产工艺流程煤质控制．
The factors influencing the coal quality stability in Huolinhe opencast mine are analyzed. The product scheme is optimized by the combination plan method and coal seam / output value method, and the best ash index is obtained by the comprehensive technical and economic model. The cycle-cycle coal blending mode To achieve the entire production process of coal quality control.