Ultrafiltration membrane sewage treatment device

The utility model discloses an ultrafiltration membrane sewage treatment device, which comprises a rack, a precipitation box body and a purification box body, the top of the rack is provided with a recovery box body, a peculiar smell adsorption box body is arranged in the recovery box body, the top of the recovery box body is provided with a water collection cavity, one side of the top of the recovery box body is provided with the purification box body, and the other side of the recovery box body is provided with a water outlet. A rectangular cover plate is fixedly mounted at the top of the purification box body, the rectangular cover plate is communicated with the filtering box body through a second water guide pipe, a water adding pipeline and a sludge outlet cavity which are communicated with each other are respectively arranged at the top and the bottom of the outer side of the precipitation box body, and a water diversion pipeline communicated with the precipitation box body is fixedly mounted at the top