Coal gasification waste coal slurry recycling system

The utility model belongs to the technical field of resource recycling, and relates to a coal gasification waste coal slurry recycling system, which comprises a coal mill, a rotary screen, a coal mill discharge chute, a coal mill discharge chute pump, a pump outlet drain valve, a grinding water tank and a coal slurry tank, the coal mill sequentially passes through the drum screen, the coal mill discharge chute and the coal mill discharge chute pump and then is respectively communicated with the coal mill discharge chute, the pump outlet drain valve, the grinding water tank and the coal slurry tank; the grinding water tank is respectively communicated with the drum screen and the coal mill; a liquid level meter is arranged on a discharge chute of the coal mill; and a stirrer is arranged in the coal mill discharge chute. The device has the advantages of being energy-saving and environment-friendly, improving the working efficiency, reducing the production cost and reducing the workload. 本实用新型属于资源再利用技术领域，涉及一种煤气化