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隨著人們的生活水平提高以及環(huán)境污染的嚴(yán)重性，<strong>純水設(shè)備</strong>逐漸被人們重視起來(lái)，許多企業(yè)購(gòu)買了純水設(shè)備，發(fā)現(xiàn)一段時(shí)間后</font><font face="Calibri">,</font><font face="宋體">產(chǎn)水的質(zhì)量變差，這是怎么回事呢</font><font face="Calibri">?</font></span></span></span><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體">下面</font></span></span></span><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體">來(lái)為大家介紹一下。</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體"> 花了那么多錢購(gòu)買純水設(shè)備，結(jié)果產(chǎn)水效果差，這是比較嚴(yán)重的問(wèn)題，那么，到底是哪里出問(wèn)題了呢</font><font face="Calibri">?</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體"> 純水設(shè)備中最核心的就是<strong>反滲透膜</strong>元件，一般情況下</font><font face="Calibri">,</font><font face="宋體">反滲透膜如果已經(jīng)使用</font><font face="Calibri">2</font><font face="宋體">、</font><font face="Calibri">3</font><font face="宋體">年甚至更長(zhǎng)時(shí)間了，出現(xiàn)污染產(chǎn)水效果差情況的可能性是非常大的，一般反滲透膜說(shuō)明書上對(duì)于該膜使用壽命標(biāo)注是兩年至三年，但其實(shí)反滲透膜的使用壽命并不是固定的，考慮到用水以及原水水質(zhì)變化的因素，反滲透膜的使用壽命會(huì)縮短，也有可能延長(zhǎng)。</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體"> 反滲透膜前的濾芯如果長(zhǎng)時(shí)間沒(méi)有更換，會(huì)導(dǎo)致污染物淤積，從而導(dǎo)致<strong>反滲透膜</strong>進(jìn)水條件變差，污染速度變快。</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體"> 由于原水水質(zhì)差，濃縮水比例小，造成濃水電磁閥或沖洗組合閥堵塞，機(jī)器不排放濃水或濃縮水很少，膜壽命縮短就在預(yù)計(jì)之中了。</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體">反滲透膜的使用</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體">一、防止膜性能的損壞</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體"> 新的<strong>反滲透膜元件</strong>通常浸潤(rùn)</font><font face="Calibri">1%NaHSO3</font><font face="宋體">和</font><font face="Calibri">18%</font><font face="宋體">的甘油水溶液后貯存在密封的塑料袋當(dāng)中。在塑料袋不破的情況之下，貯存</font><font face="Calibri">1</font><font face="宋體">年時(shí)間也不會(huì)影響到其壽命和性能等方面。當(dāng)塑料袋開(kāi)口以后，應(yīng)盡快使用，以免因</font><font face="Calibri">NaHSO3</font><font face="宋體">在空氣中發(fā)生氧化對(duì)元件產(chǎn)生不良的影響。因此膜應(yīng)盡量在使用前開(kāi)封。</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體"> 純水設(shè)備試機(jī)運(yùn)行兩天的時(shí)間</font><font face="Calibri">;</font><font face="宋體">然后采用</font><font face="Calibri">2%</font><font face="宋體">的甲醛溶液保養(yǎng)</font><font face="Calibri">;</font><font face="宋體">或者運(yùn)行</font><font face="Calibri">2~6</font><font face="宋體">小時(shí)以后，用</font><font face="Calibri">1%</font><font face="宋體">的</font><font face="Calibri">NaHSO3</font><font face="宋體">的水溶液進(jìn)行保養(yǎng)。這兩種方法都可以達(dá)到滿意的效果。第一種方法成本較為高些，在閑置時(shí)間長(zhǎng)時(shí)使用過(guò)程當(dāng)中，第二種方法在閑置時(shí)間較短時(shí)使用。</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體">二、純水設(shè)備的操作不當(dāng)引起膜性能的損壞</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體"> <strong> 純水設(shè)備</strong>中存在殘余氣體在高壓下環(huán)境運(yùn)行，形成氣錘會(huì)損壞到膜，常有兩種情況發(fā)生</font><font face="Calibri">:</font></span></span></span></p><p><span><span style="font-size:10.5000pt;"><span style="font-family:宋體;"><font face="宋體"> 在預(yù)處理設(shè)備與高壓泵之間的接頭密封不好或漏水的時(shí)候，當(dāng)預(yù)處理供水不是很足時(shí)</font><font face="Calibri">,</font><font face="宋體">如微濾設(shè)備發(fā)生堵塞的現(xiàn)象，在密封不好的地方由于真空會(huì)吸進(jìn)一部分的空氣。應(yīng)清洗或更換微濾器，保證管路不漏?？傊?/font><font face="Calibri">,</font><font face="宋體">要在流星計(jì)中沒(méi)有氣泡的情況下逐步升壓運(yùn)行</font><font face="Calibri">,</font><font 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