Patent ID: 7638050

Claim:
A rotatable water treatment device, comprising: a raw water treatment tank; at least one hollow shaft rotationally disposed in the raw water treatment tank, and the hollow shaft including: an axis hole defined therein; and a plurality of through holes defined therein transversely and in communication with the axis hole; and multiple filtering units watertightly mounted on the hollow shaft, and each of the filtering units including: a center hole for receiving the hollow shaft and communicating with the through holes; two filtering membranes; two clipping nets sandwiched between the filtering membranes; a supporting net mounted between the clipping nets; and multiple water-conducting discs mounted on the hollow shaft so that the water-conducting discs are arranged alternately with the filtering units, wherein each of the water-conducting discs is aligned with the center hole of an adjacent one of the filtering units and comprises: an aperture portion aligned with the center hole; water-conducting holes defined therein, around the aperture portion; locking holes alternately defined between the water-conducting holes; two annular grooves defined in opposite surfaces thereof; and two sealing rings disposed in the annular grooves; a locking portions formed on a first side thereof, within each of the water-conducting holes; and a joint portion formed on the first side thereof, within each of the water-conducting holes.