Coal gangue is a kind of solid waste in the process of coal mining and clean coal production. It is a kind of mining solid waste, including washing in coal washing plant, hand picking in coal production, semi-coal alley and rock tunneling. Coal gangue is a mixture with coal and rock. It not only takes place land, but also spontaneously pollutes the air or causes fires. Coal gangue is mainly used for the production of lightweight aggregates such as coal gangue cement, concrete, and refractory bricks.
Coal gangue production process and equipment introduction:
The processing of coal gangue is divided into three stages: coarse crushing of jaw crusher, medium crushing of impact crusher or cone crusher and fine crushing of sand making machine.