▎ 摘　　要

NOVELTY - The utility model model claims a new graphene magnesium sulphate by recycling waste acid, mainly relating to the field of drying device. A novel graphene producing magnesium sulphate by recycling waste acid, comprising a tank body, one side of the top surface of the tank body is provided with a feeding pipe of the inner end of the exhaust pipe is provided with a filter film, the upper part of the outer periphery of the tank body is provided with a heating device, the bottom of the tank body is provided with a first through hole, the first through hole is rotatably mounted with a rotating shaft through a sealing bearing, one side of the bottom surface of the tank body is fixedly installed with a motor, the periphery of the rotating shaft is fixedly installed with multiple strip plates, the third through hole is respectively installed with a vertical pipe, the vertical pipe is respectively with a suction fan through a bracket, the top surface of the inner wall of the tank body is provided with a cleaning mechanism capable of preventing the filter film from blocking. The beneficial effects of the utility model are: The device can make the magnesium sulphate quickly dry improve the working efficiency of the user by drying and air drying in combination.