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class='key_tag'><font><strong>反滲透膜</strong></font></a>元件進行清洗，通常分為物理沖刷和化學沖刷兩種方法，當物理沖刷已經不能使反滲透膜的功能康復，就應該需進行化學清洗了。</span><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px; text-indent: 2em;"> </span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;"> </span><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px; text-indent: 2em;"> </span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">判別是否對反滲透體系實施清洗前，還應綜合考慮以下一些或許發生上述現象的其他原因：</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">☆ 操作壓力下降（壓力操控設備失靈和高壓泵呈現異常）；</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">☆ 進水溫度下降（加熱器故障，或時節變化引起水溫下降）；</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">☆ 進水含鹽量升高；</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">☆ 預處理異常；</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">☆ 膜損害、串聯膜元件中心管不對中、壓力容器O型密封圈密封不嚴等原因導致濃水滲入淡水。</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;"> </span></p><p style="text-align:center"><img src="http://www.china-huihong.com/data/images/product/thumb_20191026110145_782.png" alt="直銷海德能反滲透膜"/></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;"><br/></span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">一般由清洗泵、藥劑制造箱、5-20um保安過濾器、加熱器、相關管道閥門和操控外表等組成。清洗方法有靜態浸泡和循環清洗等。靜態浸泡用清洗液浸泡膜，時刻視污染程度，大致為1-15h。循環清洗的一般步驟是：</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;"> </span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">1、用泵將淡水從藥劑制造箱送入壓力容器中，并排放幾分鐘。</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">2、在藥劑制造箱頂用淡水制造清洗液。</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">3、用清洗液對壓力容器循環清洗1h或到達預定時刻。清洗流量可根據下表確定，當污染嚴峻時，清洗流量可提高到表中樹脂的150%。</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">這時，清洗壓降較大，一般操控不超過（0.10-0.14MPa）/根膜元件或0.4MPa/根膜組件。剛開始進藥清洗時，可用表中流量值的50%將已加熱的清洗液打入壓力容器中，操控壓力，以既能夠戰勝進水到出水之間的壓降又沒有淡水流出為宜。</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">為了防止清洗液被稀釋，可翻開濃水排放閥門，先排出體系積水后再進行清洗。對反滲透體系可分段進行清洗。清洗方向與運轉方向相同，不允許反向清洗，不然或許引起膜卷凸出而損壞膜元件。</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">4、循環清洗完成后，再用淡水將藥劑制造箱洗干凈。</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">5、用淡水沖刷上述壓力容器。</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">6、沖刷完畢后，在淡水排出閥翻開狀態下運轉反滲透體系，直到淡水清潔、無泡沫或無清洗液，通常需求15-30min的時刻。</span></p><p><br/></p></div> <div class="xypg-detail-tags"> <div class="tags-title"> <h3>標簽</h3> <div class="baidu-share">  <div class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到微信"></a> <a href="#" class="bds_sqq" data-cmd="sqq" title="分享到QQ好友"></a> <a href="#" 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