SLIME SEPARATING METHOD FOR HEAT EXCHANGER AND SLIME SEPARATING STRUCTURE

摘要

PURPOSE: To prevent the invasion of slime which has built up in a strainer in a heat exchanger by ozone treating by supplying cooling water to the exchanger after the exchanger is ozone treated. CONSTITUTION: A method for separating slime of a heat exchanger 3 to separate the slime stuck to the exchanger 3 by ozone water while circulating the water comprises the steps of supplying the water to the exchanger 3 in a reverse water supplying direction to the supplying direction of cooling water, and then supplying the ozone water into a strainer 8 in a forward water supplying direction to the cooling water supplying direction. According to this method, even if the slime separated from the exchanger 3 is invaded into the strainer 8, the slime built up on the surface of the filtering material 8a of the strainer 8. Accordingly, after the ozone treatment, the slit is not fed when the cooling water is supplied to the exchanger 3.