Wastewater resourceful treatment system

The utility model relates to the field of wastewater treatment devices, in particular to a wastewater resourceful treatment system which comprises a wastewater treatment box, a chemical feeding pipe and a cover plate, and further comprises a closing part which is arranged on the wastewater treatment box and is used for preventing water vapor from flowing into the chemical feeding pipe, and an excess material cleaning part arranged on the cover plate, the closing part comprises a baffle rotationally arranged on the inner wall of the top end of the wastewater treatment tank, and the wastewater treatment tank further comprises a transmission assembly used for synchronously driving the cover plate and the baffle to be opened and closed. Through the arrangement of the closing part and the excess material cleaning part, the closing part can close the dosing pipe after dosing is completed, the sealing performance of the interior of the dosing pipe is guaranteed, the situation that water vapor enters the dosing pipe