Fan-shaped rotating membrane separation device

The utility model discloses a fan-shaped rotating membrane separation device, which comprises a central water collecting pipe, an upper pallet and a lower pallet, wherein a transmission gear is arranged at one end of the central water collecting pipe. The device is characterized in that a plurality of turntables are arranged between the upper and lower pallets, wherein each turntable consists of at least three fan-shaped membrane components; water collecting pipes are arranged at the two sides and the inner sides of the fan-shaped membrane components; hollow fibrous membrane yarns are filled in the fan-shaped membrane components; a water outlet is formed in the inner side of each fan-shaped membrane component, and is connected with the central water collecting pipe; fixing holes are formed outside the fan-shaped membrane components; a plurality of fixed columns are arranged at the outer peripheries of the upper and lower pallets; the fixing holes are formed in the fixed columns. Compared with other rotating m