Water pollution treatment device for environmental engineering

The utility model discloses a water pollution treatment device for environmental engineering, which comprises a main body assembly, a treatment assembly and a cleaning assembly, the cleaning assembly comprises a controller, a flow meter, a first motor, a support rod, a water separation cavity, a second motor and a brush; the signal output end of the flow meter is in signal connection with the signal input end of a controller, the electrical output end of the controller is electrically connected with the electrical input ends of a first motor and a second motor, an output shaft of the first motor is fixedly connected with a supporting rod, and two water separation cavities are symmetrically formed in the two ends of the supporting rod; a second motor is installed in the water separation cavity, and an output shaft of the second motor is fixedly connected with one end of a brush. The water flow is detected through the flowmeter, after the water flow is reduced, the brush cleans the filter cartridge, the water p