Wellhead filtering device for water source well in mining area

The utility model discloses a mining area water source well mouth filtering device, which relates to the technical field of water filtering and comprises a base, a water pump is mounted at the top of the base, the water inlet end of the water pump extends to a sedimentation tank, a water inlet pipe is mounted on the upper surface of a pre-sedimentation water tank, and the water outlet end of the water inlet pipe is connected with an in-use water tank. The top and the bottom of the pre-precipitation water tank and the top and the bottom of the in-use water tank are respectively provided with an overflow opening and a sewage draining opening, the overflow opening is connected with an overflow pipeline in series, and the sewage draining opening is connected with a sewage draining pipeline in series, the pre-precipitation water tank and the in-use water tank are respectively arranged in the in-use coal seam area, and the two water tanks are respectively provided with an overflow opening and a sewage draining open