Method for preventing wear of end cover of ball mill

Abstract

A method for preventing wear of an end cover of a ball mill aims at prolonging the service life of the end cover of the ball mill; the method is characterized in that the hollow end cover of the ball mill is connected with a bush inside by welding and sealing; a magnet is filled in a welding seam, and the magnet is adhered to the bush by magnetic force, and when mineral pulp enters an inner cavity channel of the ball mill, mineral powder is adsorbed by the magnet to prevent the welding seam from being washed and worn by the mineral powder; high-strength anti-wear material is filled into a cavity of the hollow end cover by a high-pressure slag pulp pump to prevent the end cover from being washed and worn by the mineral pulp; and the cavity of the hollow end cover of the ball mill is provided with anti-wear plates at intervals which divide the mineral pulp into a plurality of sections and ensure the mineral pulp not to do relative rotating circular motion along the inner surface of the hollow end cover and the outer surface of the bush, thus reducing the washing and wear of the hollow end cover by the mineral pulp.

Description

technical field [0001] The invention relates to a method for preventing wear of a ball mill end cover. Background technique [0002] The ball mill is the main equipment for the production of iron ore powder. The ball mill performs coarse grinding, medium grinding and fine grinding on large size iron ore to make the iron ore powder particle size meet the user's requirements. However, during use, the pulp in the barrel of the ball mill easily enters the hollow end cover of the ball mill and the inner cavity of the inlet and outlet bushings, causing the slurry to wear the inner cavity of the hollow end cover, resulting in early scrapping of the end cover and bushing of the ball mill. Check and replace in time, there will be a major accident that the ball mill cylinder is thrown out and the hollow end cover is broken; if the pulp partially wears the hollow end cover, causing the pulp to enter the big tile of the ball mill, it will cause the oil return pipe of the ball mill to be...

AI Technical Summary

Problems solved by technology

However, during use, the pulp in the barrel of the ball mill easily enters the hollow end cover of the ball mill and the inner cavity of the inlet and outlet bushings, causing the slurry to wear the inner cavity of the hollow end cover, resulting in early scrapping of the end cover and bushing of the ball mill. Check and replace in time, there will be a major accident that the ball mill cylinder is thrown out and the hollow end cover is broken; if the pulp partially wears the hollow end cover, causing the pulp to enter the big tile of the ball mill, it will cause the oil return pipe of the ball mill to be blocked, and even cause the big tile of the ball mill burn out

At the same time, after the pulp enters the hollow end cover, it is thrown out from the hollow shaft of the end cover. The thrown out pulp not only affects the environmental sanitation, but also easily enters the large and small gears, which poses a danger to the lubrication of the transmission gear and causes the gear to wear out early and fail.