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超濾設(shè)備詳解(下)

2021-08-05  來(lái)自: 環(huán)保水圈 瀏覽次數(shù):932

四、超濾設(shè)備用途

1污水廢水的回收利用

西方曾經(jīng)利用一些方法處理污水,但是處理之后的效果不佳,沒(méi)有從根本上進(jìn)行處理。此外,超濾設(shè)備其價(jià)格比較低為廢水回收再利用提供了有力的條件。其實(shí),從城市污水處理廠和工場(chǎng)中排出的廢水經(jīng)過(guò)處理之后完全可以再利用,然而此類做法在西方用戶那里難以得到信賴。Windhoek曾經(jīng)將污水處理廠的出水采用膜技巧回用為飲用水。

超濾

2、地表水處理

超濾設(shè)備大多數(shù)是利用在地表水處理之上的,處理后的水用于澆灌或作為反滲透的進(jìn)水,來(lái)制備工業(yè)用水。這類工廠在荷蘭等地的數(shù)量逐步上升。這種技巧供給了不用在購(gòu)置越來(lái)越貴的飲用水就能就近取用地表水。

3、生活飲用水處理

因?yàn)樯钏降奶岣撸藗儗?duì)飲用水的質(zhì)量要求也就越來(lái)越高,水處理公司關(guān)注控制供水管網(wǎng)中存在的微生物的量。為了做到這一點(diǎn),是以一種方法是停止昂貴、頻繁的水質(zhì)檢驗(yàn),或是在供水終端設(shè)置防止細(xì)菌和病毒進(jìn)進(jìn)的樊籬。采用UF系統(tǒng),可以很是方便的建成多么的樊籬。超濾膜對(duì)細(xì)菌的往除率可以達(dá)到6log,關(guān)于病毒的往除率達(dá)到4log,是以水廠和用水者都不用在擔(dān)心細(xì)菌和病毒的標(biāo)題。因?yàn)轱嬘盟馁|(zhì)量自身就很高,是以此時(shí)的膜系統(tǒng)可以可以采用很高的膜通量,可以達(dá)到135/平米.小時(shí)。同時(shí)較高的進(jìn)水前提,是以反沖頻率和化學(xué)加強(qiáng)反洗的頻率都可以很是低,產(chǎn)水量可以達(dá)到百分之九十九。假設(shè)需要還可以設(shè)立二級(jí)超濾設(shè)備,將反洗水進(jìn)一步回用。

4用來(lái)進(jìn)行海水淡化

中東地區(qū)是水資本缺乏嚴(yán)重的處所。為懂得決這個(gè)標(biāo)題,人們凡是采用蒸餾技巧。從十九世紀(jì)60年月,膜技巧被用于處理這些缺水標(biāo)題。可是,良多反滲透海水淡化(利用半透過(guò)膜為海水脫鹽出產(chǎn)海水)(利用海水脫鹽出產(chǎn)海水)系統(tǒng)面臨著膜污染嚴(yán)重的標(biāo)題。重要因?yàn)?a href="/Article-detail-id-1947700.html" title="反滲透系統(tǒng)">反滲透系統(tǒng)的傳統(tǒng)的預(yù)處理方法無(wú)法供給靠得住的進(jìn)水水質(zhì)。是以盡年夜年夜都淡化工場(chǎng),在遠(yuǎn)遠(yuǎn)低于其設(shè)計(jì)出水量的情況下任務(wù),甚至有些工場(chǎng)的出水量達(dá)不到設(shè)計(jì)要求的百分之三十。小型淡化裝置研究表明,超濾系統(tǒng)可以根據(jù)可以控制的海水的水質(zhì),為反滲透系統(tǒng)供給高質(zhì)量的進(jìn)水。耐久實(shí)驗(yàn)也表明,超濾系統(tǒng)的出水SDI值可以很好的控制在2以下。這些測(cè)試在超濾系統(tǒng)(又稱為超濾設(shè)備)前不用用任何預(yù)處理,而且實(shí)用各類海水水質(zhì)。

五、工藝流程

一般工藝流程為:

原水-原水加壓泵-多介質(zhì)過(guò)濾器-活性炭過(guò)濾器-軟水器—保安過(guò)濾器-反滲透設(shè)備-中間水箱-中間水泵-離子交換-純化水箱-純水泵-紫外線殺菌器-微孔過(guò)濾器-用水點(diǎn) (2000中國(guó)藥典傳統(tǒng)工藝)

原水-原水加壓泵-介質(zhì)過(guò)濾器-活性炭過(guò)濾器-軟水器—保安過(guò)濾器-一 級(jí)反滲透-PH調(diào)節(jié)-中間水箱-第 二 級(jí)反滲透(反滲透膜表面帶正電荷)-純化水箱-純水泵-紫外線殺菌器- 微孔過(guò)濾器-巴氏消毒用水點(diǎn) (2005版中國(guó)藥典目前流行工藝)

原水-原水加壓泵-多介質(zhì)過(guò)濾器-活性炭過(guò)濾器-軟水器—保安過(guò)濾器-一 級(jí)反滲透機(jī)-脫氣膜-中間水箱-中間水泵-EDI系統(tǒng)-純化水箱-純水泵-紫外線殺菌器-微孔過(guò)濾器-巴氏消毒-用水點(diǎn) (2005版中國(guó)藥典新工藝 )

原水-原水加壓泵-多介質(zhì)過(guò)濾器-活性炭過(guò)濾器-軟水器—保安過(guò)濾器-一 級(jí)反滲透 -PH調(diào)節(jié)-中間水箱-第 二 級(jí)反滲透(滲透膜表面帶正電荷)-RO水箱-RO水泵-TOC分解-EDI系統(tǒng)-純化水箱-純水泵-紫外線殺菌器-微孔過(guò)濾器-巴氏消毒-用水點(diǎn) (中國(guó)藥典注射用水、歐盟和美國(guó)藥典推薦工藝)

原液-儲(chǔ)罐-加壓泵—保安過(guò)濾器-中空超濾設(shè)備-儲(chǔ)液罐-反洗水箱-反洗泵。

超濾是利用多孔材料的攔截能力,以物理截留的方式去除水中的雜質(zhì)顆粒。在壓力驅(qū)動(dòng)下,溶液中水、有機(jī)低分子、無(wú)機(jī)離子等尺寸小的物質(zhì)可通過(guò)纖維壁上的微孔到達(dá)膜的另一側(cè),溶液中菌體、膠體、顆粒物、有機(jī)大分子等大尺寸物質(zhì)則不能透過(guò)纖維壁而被截留,從而達(dá)到篩分溶液中不同組分的目的。該過(guò)程為常溫操作,無(wú)相態(tài)變化,不產(chǎn)生二次污染。超濾直飲水設(shè)備就是以超濾膜為核心產(chǎn)品對(duì)水質(zhì)進(jìn)行過(guò)濾。產(chǎn)出來(lái)的水就是我們通常所說(shuō)的礦泉水。

六、應(yīng)用領(lǐng)域

1礦泉水:在礦泉水制造中,應(yīng)用超濾技術(shù),在工程設(shè)計(jì)中,將根據(jù)礦泉水的水源水質(zhì)分析報(bào)告,針對(duì)性地選擇膜的孔徑和膜的類型,設(shè)計(jì)超濾設(shè)計(jì)。

2食品:乳制品、果汁、酒、調(diào)味品等食品的生產(chǎn)中逐步采用超濾技術(shù),如牛奶或乳清中蛋白和低分子量的乳糖與水的分離,果汁澄清和去菌消毒,酒中有色蛋白、多糖及其它膠體雜質(zhì)的去除等,醬油、醋中細(xì)菌的脫除,較傳統(tǒng)方法顯示出經(jīng)濟(jì)、可靠、保證質(zhì)量等優(yōu)點(diǎn)

3醫(yī)藥:在醫(yī)藥和生物化工生產(chǎn)中,常需要對(duì)熱敏性物質(zhì)進(jìn)行分離提純,超濾技術(shù)對(duì)此顯示其突出的優(yōu)點(diǎn)。用超濾來(lái)分離濃縮生物活性物(如酶、病毒、核酸、特殊蛋白等)是相當(dāng)合適的從動(dòng)、植物中提取的藥物(如生物堿等),其提取液中常有大分子或固體物質(zhì),很多情況下可以用超濾來(lái)分離,使產(chǎn)品質(zhì)量得到提高。

4純水、超純水:工業(yè)用水的初級(jí)純化,純水超純水制備RO預(yù)處理,純水、超純水終端處理。

5環(huán)保:工業(yè)廢水深度處理,城市中水回用系統(tǒng),電泳漆、油品的回收。

6發(fā)酵:生化發(fā)酵液分離與精制、酶的濃縮與精制、糖及木糖醇澄清過(guò)濾。

關(guān)鍵詞: 超濾 詳解 衡美 水處理

衡水市衡美水處理設(shè)備有限公司,專營(yíng) 淺層砂過(guò)濾器 過(guò)濾器 全自動(dòng)加藥裝置 原水處理設(shè)備 等業(yè)務(wù),有意向的客戶請(qǐng)咨詢我們,聯(lián)系電話:0318-2987119

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