| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a filtration system for preventing deposition of sludge in a lower water tank in a cooling tower. <P>SOLUTION: The filtration system which filtrates circulating cooling water stored in the lower water tank of an open circulating type cooling water system cooling tower for cooling the circulating cooling water by making the circulating cooling water make contact with external air, includes a filter for filtrating the circulating cooling water, a supply pipe for supplying the circulating cooling water in the lower water tank to the filter, and a return pipe for returning treated water treated by the filter to the lower water tank. The return pipe is extended into the lower water tank, and installed to circulate along an inner wall of the lower water tank. In the return pipe installed to circulate, a plurality of discharge ports for discharging the treated water toward the inner circumferential side is provided at predetermined intervals. <P>COPYRIGHT: (C)2012,JPO&INPIT |
