摘要
Abstract
The general situation of Pingshan coalfield in Guizhou province was expounded, according to the physical properties of coal, coal lithotypes and the degree of coal metamorphism, the coal quality characteristics and variable rules of workable coal seams were analyzed systematically.The relationship between the sedimentary environment and the content of ash and sulfur etc. were discussed.The sulfur content of coal decreased gradually from southeast to northwest and was band distributed irregularly, its using aspects was put forward primarily in this paper.关键词
坪山井田/主采煤层/煤质特征/煤岩类型/变化规律/灰分/硫分Key words
Pingshan minefield/workable coal seam/coal quality characteristics/coal lithotypes/variable rule/ash/sulfur分类
化学化工
