how to do slove the screen blockage

When the moisture of the coal is high (more than 10% water), the fluidity of the coal powder is obviously reduced, and it is easy to adhere and compact on the sieve cylinder, causing the screen bar to be blocked. At this time, the comb coal plate cannot meet the cleaning sieve volume. The work of coal and normal sieving causes the pulverized coal to enter the crusher, which in turn causes the crusher sieve plate to be blocked by the coal dust board, and the work efficiency is lowered. Especially when the rainy season is coming, the drum screen cylinder is seriously blocked, and even if it is manually cleaned, the screening efficiency cannot be guaranteed.

Improvement method: The quality of the trommel screen  is not good, the reason may be that the screen hole is blocked, the screen hole should be cleaned regularly; the screen surface is damaged, as long as the screen surface is replaced; when the water content of the material is high, the material on the screen is too thick. When the screening process is seriously affected, the method of appropriately increasing the mesh hole may be considered to improve the screening efficiency;