Sea island sewage integrated treatment device

The utility model discloses a sea island sewage integrated treatment device. The sea island sewage integrated treatment device comprises an anoxic zone, an aerobic membrane zone, a discharge zone and an operation zone, wherein a sludge discharge pipe and a reflux liquid water distribution slot are arranged in the anoxic zone, an MBR membrane component, a tube aeration system and a reflux circulation stripping device are arranged in the aerobic membrane zone, and the upper parts of the anoxic zone and the aerobic membrane zone are communicated through a reflux pipe; the operation zone comprises an electric control cabinet, a membrane operation device, a lifting pump and a fan; one end of the membrane operation device is connected with the MBR membrane component and the other end of the membrane operation device is connected to a clear water zone; the outlet of the lifting pump is connected to the reflux liquid water distribution slot in the anoxic zone; the fan is connected with the tube aeration device. The sea island sewage integrated treatment device provided by the utility model can realize different reflux functions through a valve and integrates the advantages of an activated sludge method and MBR by arranging a biochemical treatment device with two parts, namely the anoxic zone and the aerobic membrane zone, and communicating the upper parts of the anoxic zone and the aerobic membrane zone through the reflux pipe.