一、概述煤炭可选性是一个概略的定性概念,评定煤炭可选性的目的在于选择合理的洗选加工方法和工艺流程,并对洗选效果进行预先的初步估计。在选煤厂则可以根据入洗原煤的可选性对选后效果做出概略的评定。因此,煤炭可选性的评定,对于合理地利用煤炭资源,指导生产实践有着极其重要的意义。 I. Overview Coal selectivity is a rough qualitative concept. The purpose of assessing the coal selectivity is to select a reasonable washing process and process, and make a preliminary preliminary estimate of the washing efficiency. In the coal preparation plant can be based on the selectivity of coal washing on the outcome of the election to make a rough assessment. Therefore, the assessment of coal selectivity is of extremely important significance for the rational utilization of coal resources and the guidance of production practice.