It introduces the precise mixing and washing method ofKailuan Fangezhuang Mine by establishing underground coal quality database,strengthening coal quality analysis of each coal seam,implementing separate mining and transportation,comparing the difference of recovery rate of each coal seam under different ratio,and realizing the maximum economic benefit,which improves the clean coal recovery rate and improves the economic benefit of enterprises.
coal qualityfractional mining and fractional transportationwashingrecovery ratebenefit
NETL
NSTL
万方数据
维普
