Membrane filtration device for treating iron oxide yellow production wastewater

The utility model relates to a membrane filtration device for treating wastewater in iron oxide yellow production in the technical field of membrane treatment equipment, which comprises a filtration tank, a filtration membrane is arranged in the filtration tank, the filtration tank is provided with a feed pipe, a pressurization port and a discharge pipe, and switch valves are arranged on the feed pipe and the discharge pipe; the filtering tank is spherical, horizontal rotating shafts are symmetrically and fixedly connected to the two sides of the filtering tank, the two rotating shafts and one diameter of the filtering membrane are located on the same straight line, the two rotating shafts are rotationally connected with vertical supports through bearings, and one rotating shaft penetrates through the supports and then is connected with a first stepping motor. According to the utility model, the whole structure is reasonable, the filtering membrane can be efficiently cleaned, the adhesion of impurities on the