When the inner liner of the ore milling plant is damaged or falls off, obvious impact sound can be heard locally.In case of such situation, stop the ore milling plant as soon as possible and deal with the damaged liner immediately, so as to avoid large-scale damage to the liner of the ore milling plant.Slurry is easy to be thrown out at the outlet of the ore milling plant.During normal operation of the ore milling plant, slurry flows out of the outlet sundry pipe and is mixed with small stones.The water material ratio in the ore milling plant is out of regulation, and the amount of water flowing through the cylinder of the ore milling plant is an important parameter in operation, and its size reflects the carrying capacity of solid particles in the ore milling plant.