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采用煤层／产值分析法对霍林河南露天煤矿产品方案进行了比较研究。８种不同煤层组合方案分析表明，将不同灰分煤层采出的原煤混合成一种商品煤，即单一灰分产品，经济效益最好。
Using coal seam / output value analysis of Huolin Henan opencast coal products program were compared. The analysis of 8 different coal seam combination schemes shows that it is the best economic benefit to mix raw coal from different coal seams into a commercial coal, that is, a single ash product.