1. After scale is formed on the inner wall of the copper tube of the condenser, the heat exchange effect is reduced, resulting in a decrease in vacuum, an increase in energy consumption, and a reduction in power generation load or shutdown cleaning in severe cases. According to relevant information, when the scale thickness of the water-cooling equipment heat exchanger is 2.16mm, the heat transfer coefficient decreases by an average of 51%, the equipment operating efficiency decreases by 50%, and the scale formation time is only 25 days. Such short fouling time and low heat transfer efficiency result in the condenser operating in low efficiency for a long time;
2. Increase the water flow resistance of the cooling circulating water system, reduce the flow of the cooling water, and increase the energy consumption of the circulating water pump;
3. Because the thermal conductivity of scale is very low, the heat transfer coefficient of the condenser is drastically reduced, resulting in a decrease in the vacuum of the condenser. According to the test data of different steam turbines, the steam consumption is reduced by 1%, and the steam consumption is increased by 1 to 1.5. %, when the steam flow rate is constant, the output of the steam turbine unit will be reduced. According to the relevant information, when the scale thickness of the water-cooling equipment heat exchanger is 2.16mm, the heat transfer coefficient decreases by an average of 51%, the equipment operating efficiency decreases by 50%, and the scale formation time is only 25 days;
4. The adhesion of scale, especially the adhesion of slime, may cause local corrosion or even cracking and perforation in the lower part of the attachment. The adhesion of scale to the copper tube of the condenser will cause the copper tube to become clogged, which seriously affects the operation of the equipment;
High technology, high efficiency, safety, removal and prevention of scale and corrosion. No chemical use, no pollution, no energy consumption, long service life, no need for special personnel to manage maintenance, no post-cost, compact structure, easy and fast installation, zero process emission, saving a lot of water resources, improving system heat exchange efficiency Energy-saving (15%-30%) descaling process effectively reduces the amount of bacteria in the water. It has the characteristics of long energy saving, long life, low investment and fast recovery.
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Shirley N.//SMC Editor