Spraying dust-settling device for coal mining

The utility model discloses a spraying and dust-settling device for coal mining, and belongs to the technical field of dust removal. The device comprises a first trolley and a second trolley, a watertank is mounted on the upper surface of the first trolley; a right bottom flange of the water tank is connected with a water pumping pipe; a booster pump is arranged on the left side of the upper surface of the second trolley; a fan is arranged in the middle of the upper surface of the second trolley; a water pipe is arranged on the right side of the booster pump; an air supply pipe is arranged onthe right side of the fan; a fixed base is arranged on the right side of the upper surface of the second trolley; a high rod is inserted into an inner cavity of the fixed base; the right side of thehigh rod is connected with a spraying device; the fan, the air supply pipe, the air ring and the air guide sleeve are matched to work; the flow speed of air is increased through the draught fan, due to the air pressure differen