多介質過(guo)濾器(又(you)稱機械過(guo)濾器)是以成層狀的(de)無煙煤、砂(sha)、細(xi)碎(sui)的(de)石榴(liu)石或(huo)其(qi)他(ta)材料為(wei)床(chuang)層去除(chu)(chu)水(shui)(shui)中大顆粒懸(xuan)浮物，從而(er)降低(di)(di)水(shui)(shui)的(de)SDI值，滿(man)足深層凈化(hua)的(de)水(shui)(shui)質要(yao)求。該設備(bei)具有造價(jia)低(di)(di)廉(lian)，運行費用(yong)(yong)(yong)低(di)(di)，操作簡單;濾料經過(guo)反洗，可(ke)(ke)多次(ci)使(shi)用(yong)(yong)(yong)，濾料使(shi)用(yong)(yong)(yong)壽命(ming)長等特(te)點。廣泛用(yong)(yong)(yong)于水(shui)(shui)處理(li)工藝中，主要(yao)用(yong)(yong)(yong)于水(shui)(shui)處理(li)除(chu)(chu)濁、軟化(hua)水(shui)(shui)、電(dian)滲(shen)析、反滲(shen)透的(de)前級預處理(li)，也可(ke)(ke)用(yong)(yong)(yong)于地表(biao)水(shui)(shui)、地下水(shui)(shui)的(de)除(chu)(chu)泥沙等。

多介質過(guo)濾(lv)器按(an)控(kong)制(zhi)類(lei)型(xing)可分為(wei)手動(dong)型(xing)和全自(zi)動(dong)型(xing)。手動(dong)型(xing)主要是(shi)(shi)通(tong)過(guo)閥門的調節來控(kong)制(zhi)過(guo)濾(lv)器的運行(xing)、正洗、反(fan)(fan)洗;而全自(zi)動(dong)型(xing)是(shi)(shi)通(tong)過(guo)自(zi)動(dong)過(guo)濾(lv)型(xing)控(kong)制(zhi)器來進行(xing)對過(guo)濾(lv)器運行(xing)，正洗、反(fan)(fan)洗等狀態(tai)的控(kong)制(zhi)，按(an)罐(guan)體材質可分為(wei)玻璃鋼罐(guan)、碳鋼罐(guan)、不銹鋼罐(guan)，罐(guan)內壁可根(gen)據用戶(hu)要求做(zuo)內涂(tu)環氧(yang)涂(tu)層(ceng)或(huo)襯膠防腐。