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class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">MBR膜該如何清洗？</h1> <div id="5hl5pvh" class="NyNewsdetail_tips">更新時(shí)間：2024-04-09 點(diǎn)擊次數(shù)：899</div> <div id="7bhnftr" class="NyNewsdetail_con"> <div>　　1) 降水位，大曝氣。<br /> </div><div>　　首先降低膜池內(nèi)的水位至超過膜架10cm，調(diào)大膜簾的曝氣，對(duì)膜簾進(jìn)行大曝氣2h以上。<br /> </div><div>　　2) 排空污水。<br /> </div><div>　　關(guān)閉所有風(fēng)機(jī)，關(guān)閉調(diào)節(jié)池進(jìn)水泵，沉降30分鐘，開啟膜池內(nèi)的回流泵，將膜池底部的活性污泥回流至缺氧池內(nèi)，回流30分鐘以上，膜池內(nèi)的水基本為清水。使用潛污泵將膜池內(nèi)的水排至調(diào)節(jié)池，排空為止。<br /> </div><div>　　3) 拆除膜簾<br /> </div><div>　　風(fēng)機(jī)保持開啟狀態(tài)，頻率調(diào)至要求數(shù)值，組織人員到池底拆除膜簾。首先使用皮帶扳手或魚嘴鉗擰開活接，取出密封圈，拆下膜簾，將膜簾搬運(yùn)至空曠地面。不要將膜簾直接放在地面上，應(yīng)在地面鋪設(shè)塑料布或其他軟性墊子，將膜簾放置在該墊子上。<br /> </div><div>　　4) 水槍沖洗<br /> </div><div>　　將膜簾一端懸掛在一個(gè)支架上，下端自然下垂，不接觸地面。使用高壓水槍對(duì)膜簾進(jìn)行沖洗，高壓水槍的水壓應(yīng)調(diào)至最小，流量調(diào)至最大，水槍與膜簾的距離為1m以上。將膜組件表面的污泥塊沖洗干凈。<br /> </div><div>　　5) 藥劑浸泡<br /> </div><div>　　在塑料水箱內(nèi)加入清水至水箱容積的70%，加入次氯酸鈉(10%有效氯的溶液)，次氯酸鈉與水的比例為1:50。將沖洗干凈的膜簾放到水箱內(nèi)進(jìn)行浸泡，浸泡4h以上，浸泡過程中應(yīng)根據(jù)有效氯的濃度變化補(bǔ)充次氯酸鈉。<br /> </div><div>　　次氯酸鈉清洗完成后，使用清水將膜組件沖洗干凈，沖洗完成后再進(jìn)行檸檬酸浸泡清洗。<br /> </div><div>　　在塑料水箱內(nèi)加入清水至水箱容積的70%，加入檸檬酸，將pH調(diào)節(jié)至3。將沖洗干凈的膜簾放到水箱內(nèi)進(jìn)行浸泡，浸泡12h以上，浸泡過程中如發(fā)現(xiàn)pH下降，應(yīng)補(bǔ)充檸檬酸。<br /> </div><div>　　6) 清水沖洗<br /> </div><div>　　在另一個(gè)塑料水箱內(nèi)加入清水至水箱容積的70%，將浸泡完成的膜簾放到該清水水箱內(nèi)進(jìn)行浸泡，浸泡1h以上取出，即可安裝至原膜架上，不要遺忘密封圈。全部安裝完成后，進(jìn)水，恢復(fù)正常運(yùn)行。</div> </div> <div id="vx55t5p" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-1271042.html">UASB厭氧反應(yīng)器特點(diǎn)介紹</a></li> <li>下一篇：<a href="/Article-1257887.html">電子芯片制造廢水處理設(shè)備工藝介紹</a></li> </ul> </div> </div>   <div id="5xpvhfx" class="ly_foot"> <div id="f5vn5lf" class="ly_Ftmain"> <div id="57nt5n5" class="ly_Ftcon"> <div id="dvnp5nn" class="ly_FtLeft"> <ul> <li> <div id="75fzvzx" class="Ft_tit">關(guān)于我們</div> <a href="/aboutus.html">公司簡介</a> <a 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