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反滲透膜清洗劑步驟
發布時間:2021-04-02 06:47
瀏覽次數:

反滲透膜清洗步驟可以參考下面步驟:

1. 檢查清潔箱,軟管和濾芯過濾器。清潔水箱,必要時沖洗軟管。安裝新的濾芯。

2.RO滲透液或去離子水填充清潔槽。打開攪拌器或儲罐再循環泵。

3.根據CIP的總體積和所需的產品強度,將(您選擇的RO清潔產品)緩慢添加到清潔槽中,并使其充分混合。

4.檢查溶液溫度。如果溶液溫度低于建議水平,請調整加熱控制以提供最佳溫度。如果沒有制造商的建議,請聯系我們博能膜清洗專家

5.檢查溶液的pH值。pH值應小于12或膜制造商的建議。如果pH值太低,請使用氫氧化鈉(NaOH)或膜制造商建議的其他化學藥品將pH值向上調整。如果pH值太高,請用鹽酸(H2O:HCl)進行調節。

6一次將溶液沿進料流方向循環通過一級,持續30分鐘。以膜或系統制造商推薦的流速循環。如果沒有制造商的建議,請聯系我們博能膜清洗專家壓力應足夠低,以使清潔過程中產生的滲透物最少,但始終低于60 psig [4.2kg /cm²]。

7.在嚴重結垢的情況下,應將第一回流(最大為清洗罐容積的15%)轉移至排水口,以防止重新沉積除去的固體。為了獲得最佳效果,必須在多級系統中分別清潔每個階段。

8.如果第一階段的清潔溶液變渾濁或變色,請在繼續操作之前將水箱倒入并準備新鮮的清潔溶液。如果溶液的pH或溫度超出建議范圍,則應準備新的溶液。無論如何,應為每個階段準備新的清潔溶液。

9.在使系統恢復服務之前,請先用RO滲透液沖洗。

10.當設備返回使用狀態時,將產品水排干,直到從系統中沖洗掉所有殘留的清潔液為止。

如有需要可以點擊——聯系我們

 

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