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Membrane separation Continuous ion-exchange / Chromatographic separation Electrodialysis(ED)/ Bipolar membrane electrodialysis(BMED) Equipment accessories / consumables Customized engineering equipment
Application area Engineering case Industry information Membrane separation technology
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Application
純水、超純水采用純物理過濾技術(shù),凈化過程無需添加任何藥劑,與桶(瓶)裝水相比,極大降低了飲水成本,適用于學(xué)校、醫(yī)院、機(jī)場(chǎng)、車站、餐廳、賓館及家庭等多種場(chǎng)合飲水。
一、工藝流程
圖1:超純水系統(tǒng)工藝流程圖
系統(tǒng)采用六級(jí)過濾(砂濾-碳濾—精密過濾器- 一級(jí)反滲透-二級(jí)反滲透-EDI)市政自來水首先進(jìn)入原水箱,經(jīng)輸水泵進(jìn)入多介質(zhì)過濾器、活性炭過濾器裝置、精密過濾器后,通過一級(jí)RO高壓泵進(jìn)入一級(jí)RO系統(tǒng),一級(jí)RO的濃水外排,透析水則進(jìn)入一級(jí)RO透析產(chǎn)水罐,作為二級(jí)RO的進(jìn)水,二級(jí)RO的濃水回至原水箱,二級(jí)RO透析水則進(jìn)入EDI系統(tǒng),得到符合要求的超純水,EDI濃水則回至一級(jí)RO透析罐。超純水進(jìn)入工藝生產(chǎn)線,生產(chǎn)線廢水經(jīng)儲(chǔ)罐收集后通過輸水泵過保安過濾器預(yù)過濾后回至原水箱,進(jìn)行回用。
二、技術(shù)優(yōu)點(diǎn)
1、有效解決自來水的二次污染問題,保障飲水的安全與衛(wèi)生;
2、濾芯根據(jù)設(shè)計(jì)需求可采用高精度的超濾濾膜或者傳統(tǒng)砂濾探路,然后根據(jù)設(shè)計(jì)需求選擇反滲透膜芯,抗氧化、耐高溫,清洗方便;
3、可根據(jù)需求設(shè)置不銹鋼外殼材質(zhì),保養(yǎng)維修簡便,不易發(fā)生故障,安全可靠;
4、結(jié)構(gòu)簡單,占地小。
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