Corrosion mechanism and hazards of circulating water

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The corrosion of circulating water is mainly electrochemical corrosion, that is, the corrosion that occurs as a result of the interaction between steel and oxygen in the water； As microorganisms reproduce, their secretions combine with organic and inorganic substances in the cooling water to form sludge. When this sludge settles within the system, it causes corrosion of the metals beneath the sediment. In addition, pH value, temperature, flow rate, air pollutants, etc., are also factors that affect corrosion. Main hazards of corrosion: ① Reducing the service life of equipment. It increases equipment maintenance costs and production costs. The equipment was scrapped due to perforation. ②There is severe waste of resources and energy. ③Causing catastrophic accidents. ④It causes environmental pollution and hinders the development of new technologies.