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The influence of scale of plate heat exchanger

by:DIGUANG     2020-07-06
Scaling on the influence of plate heat exchanger, scale attached to the plate heat exchanger, heat transfer surface is difficult to remove, increases the maintenance costs, not only consume manpower and material resources, but also can make the heating surface are damaged, reduce heat exchanger stature. Second, scale, will reduce the heat transfer surface exterior-interior circulation section, increased the plate heat exchanger heat transfer surface inside the circulating water flow resistance, serious when flow cross section is very small, even completely blocked, can make the heat exchanger can not run normally. Three, scale function of thermal conductivity is very poor, it is smaller than steel heat conduction to 30 ~ 50 times, there is a scale makes the heat transfer deterioration of heating surface, so that the temperature of the plate heat exchanger heat transfer surface can't achieve ideal. According to relevant materials is introduced, through the test, 1 mm thick scale, efficiency of heat exchanger will drop by about 10%.
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