Coal slime refers to semi-solid formed by water-containing coal dust. After drying treatment, coal slime can be used in following aspects:
　　1. In industrial boiler and residents life as raw material processing coal slime;
　　2. As fuel of power plant and foundry industry to increase fuel availability, reduce production cost, and increase economic benefit;
　　3. As brickyard additive to increase hardness and compressive strength of brick;
　　4. Coal slime with some specific components can be used as chemical raw material.