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在循環(huán)水系統(tǒng)中，通常水垢、微生物、壓力及溫度等因素會(huì)產(chǎn)生一些腐蝕現(xiàn)象，造成設(shè)備維修頻繁，使用壽命短；為了防止鍋爐或者管道腐蝕，除了控制PH值以外，經(jīng)常在水中介入一些聚磷酸鹽作為緩蝕劑，當(dāng)水達(dá)到一定的溫度，聚磷酸鹽就會(huì)分解成亞磷酸鹽，如果設(shè)備有腐蝕現(xiàn)象，磷酸鹽水垢呈紅色。這種垢松軟，成堆積狀，但遇到高溫就會(huì)變硬。

通常鍋爐的補(bǔ)水，因?yàn)榱啃。瑏?lái)不及處理就會(huì)補(bǔ)給；通常為了吸附、卷帶水中的絮凝體，達(dá)到澄清水質(zhì)的目的，通常在補(bǔ)水中加入活化硅酸，也叫活性硅土，導(dǎo)致水中的二氧化硅含量過(guò)高，在受熱的狀態(tài)下就和鈣鎂垢形成了硬度極高的硅酸鹽水垢，這種水垢是乳白色和灰色，極易腐蝕鍋爐體和管道。

HYC工業(yè)強(qiáng)磁除垢器、磁化除垢器能較輕易的分散各種離子，較好的預(yù)防這些垢類(lèi)變硬和吸附。

 

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