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鍋爐用水中，較常見(jiàn)的水垢是碳酸鈣鎂垢，水在使用的過(guò)程中，通過(guò)蒸發(fā)流失，促使水的硬度過(guò)高，在遇熱的情況下就會(huì)產(chǎn)生水垢，這種碳酸鹽水垢鈣鎂的含量占98%；如果用水量和蒸發(fā)量大的時(shí)候，水容量變小的情況下，水中的溶解氧過(guò)多，酸堿度失衡，特別是高溫接觸部件，腐蝕性極快，為了避免嗎給水和補(bǔ)水的溶解氧過(guò)多，就會(huì)在水中添加亞硫酸鹽，防止腐蝕；這種亞硫酸鹽和鈣鎂垢在遇到高溫的時(shí)候就會(huì)抱團(tuán)形成堅(jiān)硬的白黃色的硫酸鹽水垢。海揚(yáng)磁水商務(wù)部0536-897089
