Lignite dryer

Lignite (coal); brown coal ； Wood coal, also known as firewood coal, is a type of mineral coal produced to a degree of coalization. A brown-black, dull, low-grade coal intermediate between peat and bituminous coal. It is highly chemically reactive, easily weathers in air, and is difficult to store and transport over long distances.
Because it is rich in volatiles, it contains humic acids that dissolve in alkaline solutions. Carbon content 60%~77%, density approximately...