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The gangue is the solid waste discharged from the mining process and coal washing process. The annual emissions accounted for 10-15% of coal production. A large number of stacked accounts large space of land. The wastes rock leaching water will pollute the surrounding soil and groundwater, and the gangue contains a certain amount of combustibles, which will ignite under appropriate conditions. It will emit harmful gases to pollute the atmosphere environment and have serious damage to the environment.
With the improvement of the environmental quality requirements, the gangue polluting environment problem becomes more and more prominent. The use of coal gangue is used to manufacture construction materials so that it an effective way to solve the pollution. The gangue is used to replace the clay building bricks, which can greatly reduce the cost. Building walls and stuccoing does not need watering, which can save water and labor costs. Due to high hardness, the loss of product in transit is than the clay brick. Moreover, the gangue contains flammable brick also can be used to save coal. Gangue brick-making process after mixing, aging into the mold forming, so then after drying, and finally is fired into the finished brick. Improving the blank plastic is very important, which requires a gangue high fine crushing technology.
The single-cylinder hydraulic cone crusher is produced by Henan Hongxing Mining Machinery is the first choice yo power the gangue to turn the device. The high-performance cone crusher produced by Henan Hongxing Mining Machinery is the introduction of the Swedish technology, which combines with the performance of metallic materials to meet the design of a high-efficiency crusher. The moving cone at the top of the cone angle is small to effectively improve the production of the crusher. Cavity system  ensures a constant cavity liner wear remains the same to ensure the feed and production capacity unchanged. The cone crusher reduces customers' production costs and improves the efficiency. The model also uses laminated crushing to ensure the product grain shape. Henan Hongxing Mining Machinery provides customers with the best solution.

Rock crushing plant : http://www.hxjq-crushers.com/stone-plant.html
jaw crusher : http://www.ore-machine.com/jaw-crusher.html