As the continuous exploitation of coal ores in our country, the amount of solid waste during exploitation becomes larger and larger so that it results in the serious threat to our eco-environment. Whereas the coal gangue is one of the main coal solid wastes which is discharged during the process of coal extraction and coal washing. It is a kind of black gray rocks with low carbon content and it is harder than coal.Henan Daswell Machinery is a professional manufacturer of mining machine for almost 30 years in China. We are dedicated to supplying our customers with best service and products, our major products include:sicoma concrete mixer,brick making machine,mobile stone crusher,If you are interested in our products, please contact us freely: sales@daswell.com If we discard the coal gangue, it will not only occupy some land, but also pollute the environment. But on the other hand mobile concrete batching mixing plant, the coal gangue can be used to generate electricity and produce construction materials, etc. Therefore portable concrete batch plant, the recycling value of coal gangue is high enough which decides directly the high standards of coal gangue crushing equipments. As a professional manufacturer of mining machinery equipments, Daswell has developed high efficiency and production capacity crushing equipments and grinding mills by absorbing the advanced technologies from home and abroad. In various grinding mills, the Raymond mill is the first one to be applied to mining industry. This grinding mill is suitable for grinding more than 280 kinds of materials with a Moh’s hardness less than 7 and humidity less than 6% in industries like mining ready mix concrete plant, chemistry, construction materials and metallurgy. And the granularity can be adjusted from 80 to 325 mesh. In current days, the grinding mills have been widely used in the processing of coal gangue no matter in brickmaking or in generating electricity. In addition, our company has also developed coal gangue crusher to equipped with the Raymond mill.