Immersed ultrafiltration membrane wastewater treatment system

The utility model relates to the technical field of wastewater treatment, and discloses an immersed ultrafiltration membrane wastewater treatment system. The device comprises a membrane frame and multiple sets of mounting frames, a fixing rod is welded to the inner side wall of the membrane frame, internal through holes of the multiple sets of mounting frames are slidably connected to the outer surface of the fixing rod, membranes are mounted on the lower surfaces of the multiple sets of mounting frames, a groove is formed in the front face of the membrane frame, and a limiting rod is clamped in the groove of the membrane frame; grooves are formed in the sides, away from the limiting rods, of the multiple sets of mounting frames, grooves are formed in the sides, close to the mounting frames, of the limiting rods, limiting blocks are inserted into the grooves of the multiple sets of mounting frames and the grooves of the limiting rods, by pushing the multiple sets of mounting frames, the limiting blocks on one