Ultrafiltration membrane material filtering system

The utility model innovatively provides an ultrafiltration membrane material filtering system with high-efficiency circulating filtration. The ultrafiltration membrane material filtering system comprises a feeding device, a filtering device, a cooling device and a cleaning device, and the feeding device comprises a material tank and a feeding pump connected with the material tank through a connecting pipe; wherein the filtering device comprises a first-level filtering mechanism and a second-level filtering mechanism, the first-level filtering mechanism consists of a plurality of groups of security filters, the second-level filtering mechanism consists of a plurality of groups of membrane tubes, and hollow fiber membranes in the membrane tubes are ultrafiltration membranes; the cooling device comprises a heat exchanger and a cooling pipe connected to the heat exchanger, and the cleaning device comprises a cleaning tank and a heating mechanism located in the cleaning tank. According to the ultrafiltration membr