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    海揚詞說---什么是鍋爐循環水的二次水垢?
    發布時間: 2021-11-7 | 來源:濰坊海揚磁水處理設備有限公司 |  本文被閱讀 0 次
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    在地下水、地表水、河水、湖水等原水中,通過進入鍋爐使用加熱循環過程中,就會有碳酸鈣產生,呈松軟海綿狀,遇鹽酸泡沸溶解;這種垢里面鈣鎂的含量占98%,所以也叫鈣鎂垢;是較原始的、也是一次性水垢;在鍋爐循環用水中,水需要處理后循環利用,循環多次的水就會存在雜質多、細菌多、酸堿不平衡、各種腐蝕性強的特點;為了改善這種狀況,讓水達標,往往給水添加眾多藥劑;為了防腐加入聚磷酸鈉,為了絮凝沉淀加聚硅酸絮凝劑,為了防止溶解氧過多加亞硫酸鹽,這些加入的鹽類和已經形成的鈣鎂垢結合在一起,加上設備的腐蝕產物,遇到高溫就會形成一種更堅硬的、各種顏色的水垢,較難處理;這種垢就是二次水垢。海揚磁水商務部0536-8970809






    上一條:海揚詞說—為什么油田熱采鍋爐垢樣檢測硅酸鹽高達35%?下一條:海揚詞說---循環水中的生物粘泥形成后有什么危害?
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