Environment-friendly filtering device for treating dust

The utility model discloses an environment-friendly filtering device for treating dust, which comprises a device box, an air inlet pipe penetrates through the side wall of one side of the device box, the air inlet pipe is communicated with an air suction machine at the outer end of the device box, the air suction machine is connected with an air suction port, an exhaust pipe penetrates through the top end of the device box, the exhaust pipe is communicated with an exhaust machine, and the exhaust machine is communicated with an exhaust port. A bottom plate is fixedly installed on the side, away from the air suction machine, of the outer side wall of the device box, a water tank is fixedly installed on the bottom plate, a booster pump is fixedly connected to the bottom plate, and the booster pump communicates with the water tank through a water pipe. By arranging the filter cotton coarse filter layer and the molecular sieve layer, dust with large particles can be filtered, the remaining dust is soaked in water