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class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="gac7zog" class="box"><p><p style="text-indent:25px"> 反滲透設(shè)備系統(tǒng)一旦運(yùn)行，應(yīng)盡量保持穩(wěn)定的運(yùn)行狀態(tài)，每一次系統(tǒng)的啟動(dòng)和停止都涉及流量與壓力的變化，對(duì)膜元件產(chǎn)生機(jī)械應(yīng)力。因此，必要時(shí)盡量降低系統(tǒng)的啟動(dòng)停止頻率，上海反滲透設(shè)備批發(fā)商，正常的啟動(dòng)和停止也應(yīng)該平穩(wěn)進(jìn)行。那么當(dāng)反滲透水處理設(shè)備需要正常停止使用一段時(shí)間后，應(yīng)該如何保養(yǎng)維護(hù)呢?停運(yùn)時(shí)間長(zhǎng)短不同，上海反滲透設(shè)備批發(fā)商，維護(hù)保養(yǎng)得措施也不一樣。系統(tǒng)正常停機(jī)步驟打開產(chǎn)水排放閥，打開高壓泵旁通控制閥，降低系統(tǒng)的進(jìn)水流量，同時(shí)緩慢打開濃水控制閥，降低壓力至30?40psi左右，關(guān)閉相應(yīng)的加藥裝置，維持此低壓沖洗直到濃水電導(dǎo)與進(jìn)水電導(dǎo)一致，低壓沖洗5?10min后，系統(tǒng)停機(jī)。短期停運(yùn)可按照正常停機(jī)程序進(jìn)行，但必須進(jìn)行低壓沖洗，并且為了防止細(xì)菌滋生，上海反滲透設(shè)備批發(fā)商，需要每隔24小時(shí)沖洗一次。反滲透設(shè)備是一種借助于選擇透過（半透過）性膜的功能以壓力為推動(dòng)力的膜分離技術(shù)。上海反滲透設(shè)備批發(fā)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海反滲透設(shè)備批發(fā)商,反滲透設(shè)備" src="https://tyunfile.71360.com/UploadFile/yiyuan888/637330297926533203/7365714.png"></div><p style="text-indent:25px"> 隨著反滲透設(shè)備的使用時(shí)間加長(zhǎng)產(chǎn)水量會(huì)隨之減少，但是到冬季產(chǎn)水量會(huì)變得更少，這是因?yàn)樗疁氐屯杆宰冃?，反滲透膜密度也會(huì)相應(yīng)產(chǎn)生變化，這兩種原因會(huì)導(dǎo)致產(chǎn)水量更少，我們操作更加細(xì)心周到，加強(qiáng)預(yù)處理裝置反洗次數(shù)，沖洗時(shí)間增長(zhǎng)，精濾芯要勤換，反滲透膜反洗時(shí)間加長(zhǎng)，壓力少激增，這樣才會(huì)保證反滲透設(shè)備正常運(yùn)行。通常水溫每下降1℃，反滲透膜的產(chǎn)水量下降3%，冬天的產(chǎn)水量約為夏天產(chǎn)水量的50%左右。廢水增加，由于產(chǎn)水量降低，廢水的流量會(huì)相應(yīng)增加，廢水比增大，這是正常現(xiàn)象，待溫度回升后，廢水會(huì)減少，產(chǎn)水流量增加?！∪绻惭b在室外，必須有防凍措施，如果沒有防凍措施可能會(huì)導(dǎo)致濾瓶、膜殼等凍裂，溫度在零度以下必須停止使用水處理設(shè)備。江蘇反滲透設(shè)備哪個(gè)牌子好反滲透設(shè)備可在線水質(zhì)監(jiān)測(cè)控制，實(shí)時(shí)監(jiān)測(cè)水質(zhì)變化，保障水質(zhì)安全。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海反滲透設(shè)備批發(fā)商,反滲透設(shè)備" src="https://tyunfile.71360.com/UploadFile/yiyuan888/637330297835576172/4710389.png"></div><p> 工業(yè)生產(chǎn)需要用脫鹽水設(shè)備，在海水淡化上用到很多，在生產(chǎn)純凈水的過程中會(huì)遇見很多問題，比如說反滲透純化脫鹽水設(shè)備，電導(dǎo)率問題是許多純化水設(shè)備使用廠家經(jīng)常遇到的問題，針對(duì)此種情況，給大家總結(jié)出了常見的幾大電導(dǎo)率超標(biāo)情況的原因及解決方法，讓您能夠快速簡(jiǎn)單有效的解決此類問題。 </p> <p> 1.水質(zhì)問題：檢測(cè)原水水質(zhì)是否有較大變化; </p> <p> 解決方法：如果是因?yàn)檫M(jìn)水電導(dǎo)率異常增高導(dǎo)致產(chǎn)水電導(dǎo)率升高的情況下，可以調(diào)節(jié)進(jìn)水電導(dǎo)率，在進(jìn)水電導(dǎo)率回落后產(chǎn)水電導(dǎo)率會(huì)恢復(fù)正常。 </p> <p> 2.電導(dǎo)率儀表：檢驗(yàn)電導(dǎo)率儀表工作是否正常; </p> <p> 解決方法：如果儀表顯示數(shù)值不正確，則更換新的電導(dǎo)率儀表。 </p> <p> 3.膜組件問題：檢查反滲透膜組件是否老化或者被氧化性介質(zhì)， </p> <p> 解決方法：如果是因?yàn)榇嗽蚨斐擅擕}率下降則更換反滲透膜組件; </p><p style="text-indent:25px">反滲透設(shè)備的設(shè)計(jì)與一級(jí)相比有一些不同，由于進(jìn)水的水質(zhì)相當(dāng)好，幾乎可以忽略污染和結(jié)垢對(duì)它的影響，其單支膜元的回收率較高可以達(dá)到30%，這意味著它可以使用更短的串聯(lián)膜元件長(zhǎng)度來實(shí)現(xiàn)更高的系統(tǒng)回收率，對(duì)于膜元件的選擇，雙級(jí)反滲透需要的是大的膜通量，因?yàn)椴煌ぴ募?xì)微的脫鹽率差距對(duì)于低含鹽進(jìn)水的雙級(jí)反滲透的濃水水質(zhì)也會(huì)有效的優(yōu)于一級(jí)反滲透的進(jìn)水，因此雙級(jí)反滲透系統(tǒng)的設(shè)計(jì)往往主動(dòng)的將其濃水回流到一級(jí)反滲透的高壓泵前以提高整個(gè)系統(tǒng)的回收率。反滲透水處理設(shè)備在準(zhǔn)備關(guān)機(jī)時(shí),應(yīng)停止投加化學(xué)試劑,逐步降壓至3bar左右用預(yù)處理好的水沖洗10min。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海反滲透設(shè)備批發(fā)商,反滲透設(shè)備" src="https://tyunfile.71360.com/UploadFile/yiyuan888/637330298053564453/2341206.png"></div><p style="text-indent:25px">反滲透純凈水設(shè)備維護(hù)保養(yǎng)技巧 1、嚴(yán)格控制進(jìn)水水質(zhì)，保證裝置在符合進(jìn)水指標(biāo)要求的水質(zhì)條件下進(jìn)行，進(jìn)水水質(zhì)不符合要求，極容易造成反滲透膜的污堵，使得耗材很快失效，嚴(yán)重影響出水水質(zhì)。 2、反滲透的總進(jìn)水量由RO進(jìn)水調(diào)節(jié)閥來控制，如果反滲透進(jìn)水量沒有變化，則不要亂動(dòng)RO進(jìn)水調(diào)節(jié)閥，嚴(yán)禁全開或全閉。RO濃排調(diào)節(jié)閥用來調(diào)整系統(tǒng)回收率，如回收率沒有變化，則不要亂動(dòng)濃排調(diào)節(jié)閥，一定禁止全開或全閉。 3、裝置不能長(zhǎng)時(shí)間停運(yùn)，每天于少運(yùn)行2小時(shí)，如準(zhǔn)備停機(jī)72小時(shí)以上，應(yīng)用化學(xué)清洗裝置向組件內(nèi)充裝1%嚴(yán)硫酸氫納和18%甘油實(shí)施保護(hù)。反滲透設(shè)備如果安裝在室外，必須有防凍措施。江蘇反滲透設(shè)備哪個(gè)牌子好</p><p style="text-indent:25px">反滲透設(shè)備產(chǎn)水電導(dǎo)率高，濃水電導(dǎo)率也高，每段壓力降也高的原因可能是：膜元件污染，限制了濃水流速。上海反滲透設(shè)備批發(fā)商</p><p> 反滲透設(shè)備管路材質(zhì)選擇，要考慮內(nèi)部和外部的問題，內(nèi)部就是水質(zhì)對(duì)管路的腐蝕，外部就是運(yùn)行環(huán)境。反滲透設(shè)備運(yùn)行環(huán)境決定管路外部腐蝕情況，如果運(yùn)行環(huán)境較好，一般采用表面涂層（如上油漆或者鍍鋅等）即可。水質(zhì)對(duì)管路的腐蝕要考慮余氯、化學(xué)品、PH值、溫度等。我們一般常用的有UPVC、不銹鋼等。 </p> <p> <br /> </p> <p> 不銹鋼的基本優(yōu)點(diǎn)是對(duì)一般腐蝕都有很好的耐性，不銹鋼很少產(chǎn)生電流腐蝕和應(yīng)力腐蝕破壞，但不銹鋼卻容易發(fā)生點(diǎn)蝕和縫隙腐蝕，點(diǎn)蝕反映金屬受到局部侵蝕，在其表面上造成凹陷孔洞，如果氧化鉻鈍化層被破壞，氯離子就會(huì)攻擊裸露的金屬形成點(diǎn)蝕?？p隙腐蝕與小孔、墊片表面、沉積物周圍以及螺絲下的裂縫等處的一小撮靜止水所導(dǎo)致的點(diǎn)蝕有關(guān)。為避免發(fā)生膜系統(tǒng)高壓管路的點(diǎn)蝕及縫隙腐蝕，建議如下： </p> <p> 一般水源，可以選用304不銹鋼； </p> <p> 原水含鹽量在2-5000PPM時(shí)，建議選用含碳量小于0.08%的316不銹鋼； </p> <p> 原水含鹽量在5-7000PPM時(shí)，建議選用含碳量小于0.03%的316L不銹鋼； </p> <p> 原水含鹽量在7-30000PPM時(shí)，建議選用含鉬量為4%-5%的904L不銹鋼。 </p> <p> <br /> 上海反滲透設(shè)備批發(fā)商</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2672512.html</p></div></div></div></div></div><div id="dcz2cjl" class="page-right twoColRt"><div id="mby8v33" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="279tkc8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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