Selection of the easy-to-wash non-caking coal washing process for Manlailiang Coal Company

Based on the result of raw coal property analysis, analog calculation is made of the effects that can be achieved by using respectively heavy medium separation and dry cleaning processes. Result of analysis shows that the dry cleaning method is more suitable for treating the non-caking coal—a kind of easy-to-wash coal which is liable to undergo degradation in water and contains a high proportion of small coal. Industrial test indicates that the use of the dry cleaning method can result in noticeably increased calorific value of raw coal, rationalized product structure, improved economic benefit and higher separation adaptability.