对煤炭进行分选，除去原煤中的矿物杂质，把它分成不同规格的产品的煤炭加工厂称选煤厂(或洗煤厂)。主要产品是精煤和块煤，此外还有中煤和煤泥等副产品。选煤厂按产品用途分为：(1)炼焦煤选煤厂，生产低灰分精煤，供炼焦用。(2)动力煤选煤厂，生产火力发电、蒸汽机车、锅炉的燃料煤和化工用的原料煤。
研制了主要用于煤碳工业洗煤厂的脱水筛板的新型耐磨材料。
A new abrasion resistance material used as the screening panel in coal-cleaning facto-ries is studied.
企业先后对多家洗煤厂进行技术改造，技术产品面向中、小洗煤企业。
Enterprise has more than coal washery to carry out technological transformation, technology-oriented products, coal washing small enterprises.
介绍了冠山矿洗煤厂厂外尾煤泥水絮凝试验的方法、结果和分析情况。
This paper introduces the method, analysis and result of tail slime water flocculating test in the outside of washing plant in Guanshan Coal Mine.
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