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高密度老年无烟煤与矸石之间的密度差值远小于一般煤炭和矸石之间的差值,难以采用常规选煤方法进行分选。对这种特殊煤种的分选,空气重介流化床干法选煤技术具有其它选煤方法无法比拟的优势,是老年无烟煤分选加工的有效途径。
The density difference between high-density aged anthracite and gangue is much smaller than the difference between common coal and gangue and it is difficult to sort by conventional coal preparation methods. The selection of this special kind of coal, air Dense Medium Fluidized Bed dry process coal separation technology with other coal unmatched advantages, is an effective way for the elderly anthracite separation and processing.