Oil removal device for sewage and wastewater

The utility model relates to the technical field of sewage treatment, and discloses a sewage and wastewater oil removal device which comprises a reaction tank, a tank cover is installed at the top of the reaction tank in a matched mode, supporting legs are fixedly installed on the outer side of the circumference of the bottom of the reaction tank in a circumferential array distribution mode, and a water inlet is formed in one side of the top of the tank cover. A water outlet is formed in the center of the bottom of the reaction tank, and a stirring assembly for increasing the reaction rate is arranged in the reaction tank. According to the sewage and wastewater treatment device, sewage and wastewater in the reaction tank are stirred by the sleeve which is mounted in a sliding manner and the stirring plate arranged on the sleeve, and meanwhile, the repulsive force action of the magnetic block II and the magnetic block I between the connecting rod and the annular plate is matched with the elastic action of the