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反滲透設備停机使用时该注意哪些事项

來源： | 發布日期：2021-04-25

对于许多使用反滲透設備的用户来说，大家只注意设备运行时的维护，却忽略了反滲透設備停机时的维护。其实对于反滲透設備来说，当长期停机时，也需要对设备进行维护，以此来保证反滲透設備开机时可以正常运行。今天小编为大家介绍一下反滲透設備停机使用时的注意事项有哪些？

反滲透設備停机使用时的注意事项
1、必須用産品水或預處理出水低壓沖洗整個膜系統，沖洗掉膜面的濃水，防止鹽類沈澱汙染。

2、低壓沖洗時不應投加阻垢劑等其他藥劑（若使用預處理出水沖洗系統則保持絮凝劑和還原劑的投加）。

3、防止産生背壓，應首先打開産水排放閥。

4、流量和壓力的下降要緩慢，降壓期間注意系統的進水流量不要超過膜元件較大進水流量和壓力容器兩端的壓力差也不能超過極限值。

反滲透膜設備停運期間的管理
1、日常停運期間的管理日常停運期間（0-48小時）的管理參照正常停機程序進行，關鍵是必須進行停機時的低壓沖洗，且爲了防止微生物的滋生每隔24小時須沖洗一次。

2、系統停運（2-25天）的管理停機後保證壓力容器內充滿RO生産的純水，並關閉所有的進水濃水閥門和産水閥門，防止膜元件幹燥和微生物的滋生。

3、當溫度大于20攝氏度時，每12小時便需要重複沖洗一次;當溫度小于20攝氏度時，每24小時重複一次。對于地表水或存在高微生物汙染的水源，須用RO産水配制的含有1.0%亞硫酸氫鈉的溶液沖洗反滲透系統，如果同時用這種溶液浸泡膜元件，效果更好，重複沖洗周期也將相應延長。

4、系統停運期間，溫度保持在5℃-45℃之間。低溫有利于膜元件的保存，但應防止反滲透系統結冰凍結。

以上就是反滲透設備在停机的时候需要注意的操作事项，大家在使用中一定要多加小心，严格按照规范进行作业。

【本文標簽】反滲透設備厂家桶裝水生産線純化水設備厂家超濾設備

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