The dry sieving of wet coal is the difficulty of researching sieving technology at home and abroad. Because the sticky wet coal materials are bonded to each other into a group, loose difficult, or adhere to the screen surface to plug the sieve.
Coal---black gold is one of the irreplaceable important energy sources in human production and life. All the industry from the establishment, development to maturity are inseparable from its support. So what is the coal preparation process