Automatic controlofcoal separation is for the purpose of improving productivity, while product quality must be ensured.
煤炭分选过程自动控制的主要目的是在保证产品质量的前提下，提高产率。
2
The experiment result showed that this control scheme can improve quality and reclaiming ratio of selected coal products.
实验结果表明该控制方案能够提高精煤产品质量和精煤回收率。
3
It is considered that the rational arrangement of heat treatment process can control the form ofcoal cinder well, and the quality requirement of coal is pointed out.