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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>鄭州工業(yè)反滲透設(shè)備咨詢,反滲透設(shè)備</p><p><span>***更新：</span>2020-09-05 20:14:48</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dzr5djz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">南昌名常貴環(huán)保設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>徐zon</p><p><span>郵箱: </span>xuxing19791020@163.com</p><p><span>電話: </span>19979558686</p><p><span>傳真: </span>0791_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0791-83860709</p><p><span>地址: </span> 江西省南昌市新建區(qū)西山鎮(zhèn)泉珠村霞溪自然村</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="lh7flhn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="djhd3lx" class="box"><p><p> 反滲透膜的工作壓力是多大？反滲透膜的工作壓力是多大？這個(gè)問題沒有辦法直接回答，因?yàn)椴煌吞?hào)的反滲透膜工作壓力是不一樣的，而且反滲透膜能承受的多大的壓力，這還跟反滲透膜的制作工藝有關(guān)，一般能達(dá)到，鄭州工業(yè)反滲透設(shè)備咨詢，一般**壓，低壓反滲透，還有很多不同壓力種類的反滲透膜。實(shí)際使用中進(jìn)水通過反滲透膜都需要一定的壓力，但是這個(gè)進(jìn)水的水壓一般都是很小的，根本達(dá)不到反滲透膜的工作壓力需求，鄭州工業(yè)反滲透設(shè)備咨詢，因?yàn)檫M(jìn)水水壓必須要大于滲透膜的滲出壓，這個(gè)壓力一般是。這時(shí)候就需要用高壓泵對(duì)水進(jìn)行一個(gè)加壓，鄭州工業(yè)反滲透設(shè)備咨詢，增壓泵的工作壓力時(shí)6到9KG/CM，這就可以填補(bǔ)自來水本身水壓的不足。保障反滲透設(shè)備制水效率，還可能增加排出廢水的速度。滿足各種行業(yè)的供水需求。反滲透膜工作壓力有什么影響？反滲透膜工作壓力過低的影響：如果反滲透膜的工作壓力低對(duì)廠家給出的要求那么在產(chǎn)水量方面會(huì)有所下降，對(duì)脫鹽率也會(huì)有一定的影響。反滲透膜工作壓力過高的影響：反滲透膜工作壓力過高的話，可能會(huì)損壞反滲透膜。理論上是增加工作壓力能加大產(chǎn)水量和升高脫鹽率。但是你要知道每一支膜它的產(chǎn)水量和脫鹽率都是有一個(gè)上限的，當(dāng)達(dá)到這個(gè)上限，就算增加工作壓力也不能再升高產(chǎn)水量，而且有可能會(huì)損壞反滲透膜。南昌名常貴環(huán)保設(shè)備有限公司以精湛的技術(shù)、成就企業(yè)典范。鄭州工業(yè)反滲透設(shè)備咨詢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鄭州工業(yè)反滲透設(shè)備咨詢,反滲透設(shè)備" src="https://tyunfile.71360.com/UploadFile/mingchanggui2020/637305819954228515/6908233.png"></div><p> 反滲透技術(shù)因具有特殊的優(yōu)越性而得到日益的應(yīng)用。反滲透凈水設(shè)備的清洗問題可能使許多技術(shù)力量不強(qiáng)的用戶遭受損失，所以要做好反滲透設(shè)備的管理，就可以避免出現(xiàn)嚴(yán)重的問題。1.低壓沖洗反滲透設(shè)備定期對(duì)反滲透設(shè)備進(jìn)行大流量、低壓力、低pH值的沖洗有利于剝除附著在膜表面上的污垢，維持膜性能，或當(dāng)反滲透設(shè)備進(jìn)水SDI突然升高超過，應(yīng)進(jìn)行低壓沖洗，待SDI值調(diào)至合格后再開機(jī)。2.反滲透設(shè)備停運(yùn)保護(hù)由于生產(chǎn)的波動(dòng)，反滲透設(shè)備不可避免地要經(jīng)常停運(yùn)，短期或長(zhǎng)期停用時(shí)必須采取保護(hù)措施，不適當(dāng)?shù)靥幚頃?huì)導(dǎo)致膜性能下降且不可恢復(fù)。短期保存適用于停運(yùn)15d以下的系統(tǒng)，可采用每1～3d低壓沖洗的方法來保護(hù)反滲透設(shè)備。實(shí)踐發(fā)現(xiàn)，水溫20℃以上時(shí)，反滲透設(shè)備中的水存放3d就會(huì)發(fā)臭變質(zhì)，有大量細(xì)菌繁殖。因此，建議水溫高于20℃時(shí)，每2d或1d低壓沖洗一次，水溫低于20℃時(shí)，可以每3d低壓沖洗一次，每次沖洗完后需關(guān)閉凈水設(shè)備反滲透裝置上所有進(jìn)出口閥門。長(zhǎng)期停用保護(hù)適用于停運(yùn)15d以上的系統(tǒng)，這時(shí)必須用保護(hù)液（殺菌劑）充入凈水設(shè)備反滲透裝置進(jìn)行保護(hù)。常用殺菌劑配方（復(fù)合膜）為甲醛10（質(zhì)量分?jǐn)?shù)）、異噻唑啉酮20mg/L、亞硫酸氫鈉1（質(zhì)量分?jǐn)?shù)）。徐州工業(yè)反滲透設(shè)備什么價(jià)格南昌名常貴環(huán)保設(shè)備有限公司顧客信譽(yù)是企業(yè)發(fā)展的源泉。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鄭州工業(yè)反滲透設(shè)備咨詢,反滲透設(shè)備" src="https://tyunfile.71360.com/UploadFile/mingchanggui2020/637305820117675781/9301274.png"></div><p> 反滲透設(shè)備化學(xué)清洗法的步驟和注意事項(xiàng)反滲透設(shè)備化學(xué)清洗法的步驟和注意事項(xiàng)化學(xué)清洗的標(biāo)準(zhǔn)發(fā)生以下情況時(shí)，物理沖洗已經(jīng)不能使反滲透膜的性能恢復(fù)，這時(shí)就需要進(jìn)行化學(xué)清洗。①標(biāo)準(zhǔn)化條件下的產(chǎn)水量下降10–15%;②進(jìn)水和濃水之間的系統(tǒng)壓差升高到初始值的③產(chǎn)水水質(zhì)下降10-15%。化學(xué)清洗的頻率當(dāng)膜元件發(fā)生了輕度污染時(shí)，就應(yīng)及時(shí)清洗膜元件。重度污染會(huì)因化學(xué)藥劑不易深入滲透至污染層，且污染物也不易被沖出膜外等因素而影響清洗效果。如果膜元件的性能降低至正常值的30-50%，很難清洗恢復(fù)到膜系統(tǒng)初始性能。膜的清洗周期根據(jù)現(xiàn)場(chǎng)實(shí)際污染情況而定。正常的清洗周期是每3-12個(gè)月一次。如果在1個(gè)月內(nèi)清洗一次以上，需要改善預(yù)處理例如追加投資或重新設(shè)計(jì)膜系統(tǒng);如果清洗反滲透純水設(shè)備周期在1-3個(gè)月一次，應(yīng)側(cè)重于調(diào)整和優(yōu)化現(xiàn)有系統(tǒng)的運(yùn)行參數(shù)。即使系統(tǒng)長(zhǎng)期沒有發(fā)生污染，為了能夠更好的保證系統(tǒng)正常運(yùn)行，一般可考慮每6個(gè)月進(jìn)行1次化學(xué)清洗。當(dāng)預(yù)處理工藝中采用了無機(jī)絮凝劑，經(jīng)常會(huì)有反應(yīng)不完全的無機(jī)鹽沒有形成可過濾掉的絮凝體。用戶應(yīng)確保沒有過量的絮凝劑進(jìn)入到膜系統(tǒng)中。過量的絮凝劑能通過SDI測(cè)試裝置測(cè)定出來，例如SDI膜片上的鐵為3μ**。</p><p> 反滲透膜表面在運(yùn)行中由于給水帶入的物質(zhì)的污染面產(chǎn)生污垢，例如金屬氧化物的水合物、鈣的沉淀物，有機(jī)物和微生物。這些物質(zhì)在適當(dāng)?shù)牟僮鳁l件下可借助于化學(xué)藥劑的清洗和有效地除去，稱為反滲透膜的清洗。反滲透系統(tǒng)污垢產(chǎn)生的因素預(yù)處理方式不當(dāng)；預(yù)處理運(yùn)行不正常；給水系統(tǒng)(管道、泵、閥門等)材料選擇不當(dāng)；加化學(xué)藥品的系統(tǒng)(計(jì)量泵等)不正常；停機(jī)后沖洗不當(dāng)；操作控制(如回收率、產(chǎn)品水水通量、給水流速等)不當(dāng)；長(zhǎng)期運(yùn)行中積累的鈣、硅等沉淀物；反滲透給水的水源改變；給水水源的生物污染。反滲透系統(tǒng)污垢的判別反滲透復(fù)合膜的清洗，由于其對(duì)PH值和溫度的高穩(wěn)定性，只要選擇清洗工藝得當(dāng)，就可以達(dá)到較好的清洗效果。如果未及時(shí)清洗，拖延太久，就很難徹底清洗千凈。有效的清洗是依據(jù)污垢的性質(zhì)選擇清洗化學(xué)藥品。錯(cuò)誤選擇藥品將使污垢惡化，因而清洗前可根據(jù)下述幾個(gè)方面弄清污垢種類:反滲透裝置和系統(tǒng)的配置和組合;給水水化學(xué)分析成分;以前清洗的檢查結(jié)果;SDI測(cè)定的過濾膜上的污物分析;5μm過濾器濾芯上沉積物的分析;檢查給水管道內(nèi)表面打開壓力容器端部觀察在膜元件的進(jìn)水端污垢的外狀(如紅棕色則可能是鐵污垢，生物污垢或有機(jī)物通常為黏性膠狀物)。南昌名常貴環(huán)保設(shè)備有限公司創(chuàng)新經(jīng)營(yíng)，提升企業(yè)價(jià)值。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鄭州工業(yè)反滲透設(shè)備咨詢,反滲透設(shè)備" src="https://tyunfile.71360.com/UploadFile/mingchanggui2020/637305819388046875/5265203.png"></div><p> 8in膜為3/h乘以清洗段的膜元件個(gè)數(shù)。如膜上污垢嚴(yán)重，可采取該流量的。應(yīng)注意:高流量情況下允許的大壓力降為20psi/每根膜或60psi/每根壓力容器。取高流量清洗后的溶液和未用的新溶液進(jìn)行比較和分析，以了解清洗出的污垢量。沖洗二段壓力容器分別清洗完畢后，關(guān)閉清洗液進(jìn)出口閥，打開沖洗排水門，采取沖洗方式，用滲透水或過濾后的清水（SDI<3,不含Cl2，電導(dǎo)率<1000μS/cm）,沖洗反滲透裝置中的藥液至完全沖凈，為避免藥液中物質(zhì)沉淀，20℃下，大約沖洗15min，沖洗完畢后，反滲透裝置處于備用狀態(tài)。如清洗工藝采取兩種和兩種以上藥液配方，尚須將原用藥液沖干凈后，再開始用另一種藥液清洗。拆下清洗用的臨時(shí)軟管，排放掉清洗系統(tǒng)中的清洗液，用滲透水將清洗系統(tǒng)沖洗干凈。清洗后的反滲透裝置在開始運(yùn)行時(shí)，應(yīng)先將運(yùn)行初期的產(chǎn)品水排放掉，排放時(shí)間至少10min。此外：反滲透膜多久清洗一次這個(gè)主要是看實(shí)際的使用情況的，進(jìn)水水質(zhì)不同清洗周期也會(huì)有所不同，一般來說5~12個(gè)月清洗一次是正常的。如內(nèi)果是每個(gè)月都必須清洗一次，這種情況就應(yīng)該RO的預(yù)處理系統(tǒng)，加強(qiáng)對(duì)水的預(yù)處理，如果這樣還是不能有效的解決這個(gè)問題這時(shí)候就要考濾更容換反滲透膜了。南昌名常貴環(huán)保設(shè)備有限公司品管不是空想,乃是起而行的工作.廈門超濾反滲透設(shè)備電話</p><p style="text-indent:25px">南昌名常貴環(huán)保設(shè)備有限公司人本?、協(xié)作、務(wù)實(shí)、共榮。鄭州工業(yè)反滲透設(shè)備咨詢</p><p> 清洗工藝要點(diǎn)：必須按照選擇的配方和規(guī)定的溫度進(jìn)行。清洗流速:對(duì)于8in膜元件，流速大采用3/h;4in膜元件，采用3/h;，采用3/h。壓力容器的壓力必須是達(dá)到上述流量的小壓力，但通過任何壓力容器的壓降不得超過60psi。反滲透膜元件的清洗可以用陰離子表面活性劑，避免使用陽離子型表面活性劑，因其可能發(fā)生不可逆轉(zhuǎn)的污堵。允許并聯(lián)清洗，亦可分段清洗，分段清洗的目的是:不致使段流速過低，也不致使后一段流速太高。不致使段的沉積物帶至下一段清洗過程及步驟清洗系統(tǒng)的準(zhǔn)備停下待清洗的反滲透系統(tǒng)，關(guān)閉高壓泵出口門，電動(dòng)門，開濃水排放門及調(diào)節(jié)門，關(guān)閉產(chǎn)品水至水箱內(nèi)的出口門及產(chǎn)品水對(duì)地排放門。清洗時(shí)滲透水由臨時(shí)管路引至清洗箱中。要求以上閥門嚴(yán)密不泄漏。檢查清洗系統(tǒng)無誤后，按系統(tǒng)圖接至反滲透系統(tǒng)。連接好系統(tǒng)后將滲透水注至清洗箱的1/2液位，打開清洗泵進(jìn)口門，起動(dòng)清洗泵，稍開清洗泵出口循環(huán)門，打開5μm過濾器進(jìn)口門及出口門，此時(shí)可打開管道上的空氣門排放系統(tǒng)中的空氣，直至有水流出為止，即可準(zhǔn)備清洗。反滲透配制清洗液根據(jù)膜元件的污染物質(zhì)的性質(zhì)，選擇合適的配方，準(zhǔn)備好所用的藥品。將滲透水注人清洗箱至液位計(jì)的2/3處。鄭州工業(yè)反滲透設(shè)備咨詢</p><p style="text-indent:25px">南昌名常貴環(huán)保設(shè)備有限公司致力于環(huán)保，是一家服務(wù)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下水凈化設(shè)備，水過濾機(jī)械，水凈化裝置，反滲透裝置深受客戶的喜愛。公司從事環(huán)保多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批獨(dú)立的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。南昌名常貴環(huán)保立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1170544.html</p></div></div></div></div></div><div id="3fbxr35" class="page-right twoColRt"><div id="xlnd3rx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pd33zf5" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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