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鍋爐用水中，較常見的水垢是碳酸鈣鎂垢，水在使用的過程中，通過蒸發(fā)流失，促使水的硬度過高，在遇熱的情況下就會產(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)量大的時候，水容量變小的情況下，水中的溶解氧過多，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)水的溶解氧過多，就會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候就會抱團(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