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RO反滲透裝置 RO unit?反滲透純水設備 反滲透純水設備
詳情介紹:
反滲透裝置 RO unit |
反(fan)滲(shen)透(tou)被(bei)認(ren)為是分(fen)子級的(de)過(guo)濾過(guo)程(cheng),這種“過(guo)濾作用”能(neng)夠從水(shui)(shui)中除去(qu)99%溶(rong)(rong)解性礦物(wu)質(zhi),95-97%大多數不溶(rong)(rong)解性有機(ji)物(wu)和(he)98%以(yi)上的(de)生物(wu)和(he)膠(jiao)體物(wu)質(zhi)。反(fan)滲(shen)透(tou)膜是一種半(ban)透(tou)膜,僅能(neng)讓某些(xie)物(wu)質(zhi)(如水(shui)(shui))容(rong)易通(tong)(tong)過(guo),而其它(ta)物(wu)質(zhi)(如溶(rong)(rong)解鹽)則不讓通(tong)(tong)過(guo)。如果(guo)純(chun)水(shui)(shui)與鹽溶(rong)(rong)液(ye)被(bei)一張半(ban)透(tou)膜隔(ge)開,純(chun)水(shui)(shui)就會通(tong)(tong)過(guo)膜進入鹽溶(rong)(rong)液(ye)。溶(rong)(rong)液(ye)的(de)滲(shen)透(tou)壓力就是溶(rong)(rong)液(ye)流過(guo)半(ban)透(tou)膜的(de)驅動力,如下左圖(tu):
反滲透就是(shi)通過向濃(nong)溶(rong)液(ye)端施加足夠的壓力克(ke)服(fu)純水的自然滲透壓使其反向流動。如上右圖。
在實際應用中(zhong),由高壓(ya)泵(beng)(beng)提供(gong)自(zi)然滲透流(liu)動(dong)反方向的力(li)。水通過高壓(ya)泵(beng)(beng)被送(song)入裝有(you)半透膜的濾(lv)筒(壓(ya)力(li)容器),高壓(ya)下產品水從系統(tong)中(zhong)流(liu)出,濃縮水通過調(diao)節閥不斷地(di)從系統(tong)中(zhong)沖(chong)走。
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