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    • 1. 发明授权
    • Corrosion inhibition of closed cooling water auxiliary system for
nuclear power plants
    • 核电厂封闭冷却水辅助系统的腐蚀抑制
    • US4968478A
    • 1990-11-06
    • US480100
    • 1990-02-14
    • Paul A. Burda
    • Paul A. Burda
    • C23F11/08C23F11/18G21C15/28
    • G21C15/28C23F11/08C23F11/187Y02E30/40
    • A potassium inhibitive blend and corrosion protection method for closed cooling water systems. The closed cooling system circulates about 35 to 40 gallons of corrosion inhibitor per 10,000 gallons of circulating water. The corrosion inhibitor contains potassium molybdate, potassium nitride, and potassium borate in an aqueous solution so that if leakage of the circulated water occurs, the leaked corrosion inhibitive liquid does not cause dangerous radiation in any amounts dangerous to the environment. The potassium molybdate and potassium nitrate each constitute about 12% of the aqueous solution. Potassium based borate at 2 to 2.5%, ethylene glycol preferably at about 10%, and benzotriazole or tolyltriazole of about 0.4% with up to 1% polymeric scale suppressant are also included in the corrosion inhibitive blend.
    • 封闭冷却水系统的钾抑制共混和腐蚀保护方法。 封闭的冷却系统每10,000加仑的循环水循环约35至40加仑的腐蚀抑制剂。 腐蚀抑制剂在水溶液中含有钼酸钾,氮化钾和硼酸钾,使得如果发生循环水的泄漏,泄漏的腐蚀抑制液体不会对环境有危害的任何量的危险辐射。 钼酸钾和硝酸钾各自构成水溶液的约12%。 2%至2.5%的钾基硼酸盐,优选约10%的乙二醇,约0.4%的苯并三唑或甲苯基三唑以及至多1%的聚合物阻垢剂,也包括在腐蚀抑制共混物中。