預熱單元
MVR系統預(yu)熱(re)(re)(re)單元(yuan)對物料進(jin)行(xing)冷凝水預(yu)熱(re)(re)(re)和(he)不凝氣預(yu)熱(re)(re)(re)，充(chong)分利(li)用冷凝水的顯熱(re)(re)(re)和(he)不凝氣的余熱(re)(re)(re)，預(yu)熱(re)(re)(re)系統采用板式(shi)預(yu)熱(re)(re)(re)器，具有換(huan)熱(re)(re)(re)系數高，換(huan)熱(re)(re)(re)充(chong)分，設備(bei)占(zhan)地面積少的優(you)點；
蒸發單元
MVR蒸(zheng)發(fa)(fa)器(qi)主(zhu)要由(you)換熱(re)器(qi)、蒸(zheng)發(fa)(fa)器(qi)、分(fen)(fen)離器(qi)組(zu)成，物(wu)料(liao)(liao)在換熱(re)器(qi)中(zhong)進(jin)(jin)(jin)行(xing)熱(re)交換，物(wu)料(liao)(liao)溫(wen)度升(sheng)高，達到(dao)沸騰溫(wen)度進(jin)(jin)(jin)入(ru)分(fen)(fen)離器(qi)，物(wu)料(liao)(liao)在分(fen)(fen)離器(qi)進(jin)(jin)(jin)行(xing)汽液分(fen)(fen)離；物(wu)料(liao)(liao)在循環泵推動作用下在換熱(re)器(qi)、分(fen)(fen)離器(qi)不斷循環蒸(zheng)發(fa)(fa)濃(nong)縮(suo)。根據進(jin)(jin)(jin)料(liao)(liao)量(liang)的不同(tong)壓縮(suo)機形(xing)式也不盡相(xiang)同(tong)，一般(ban)工程上1-5t/h蒸(zheng)發(fa)(fa)量(liang)MVR系統一般(ban)選用羅茨(ci)式壓縮(suo)機，對于較(jiao)大蒸(zheng)發(fa)(fa)量(liang)選用離心式壓縮(suo)機。
結晶單元
結(jie)晶(jing)(jing)單(dan)元主要包括晶(jing)(jing)漿(jiang)罐(guan)、母(mu)液罐(guan)、旋流分離(li)(li)(li)器(qi)等，過飽和的含(han)鹽(yan)晶(jing)(jing)漿(jiang)通過旋流分離(li)(li)(li)器(qi)的初次濃縮(suo)，上清液返回系(xi)統(tong)繼續(xu)(xu)蒸(zheng)發，晶(jing)(jing)漿(jiang)液進入晶(jing)(jing)漿(jiang)罐(guan)；在晶(jing)(jing)漿(jiang)罐(guan)中，晶(jing)(jing)體(ti)得到緩沖、抱團、增長，形成較大鹽(yan)顆(ke)粒，晶(jing)(jing)漿(jiang)罐(guan)物料進入離(li)(li)(li)心機(ji)進行(xing)鹽(yan)水分離(li)(li)(li)，離(li)(li)(li)心出鹽(yan)含(han)水率約(yue)5%-8%，可進行(xing)后續(xu)(xu)烘干處理，離(li)(li)(li)心母(mu)液返回系(xi)統(tong)繼續(xu)(xu)蒸(zheng)發結(jie)晶(jing)(jing)。
輔助工程單元
輔(fu)助工程包括循(xun)環(huan)水(shui)系(xi)(xi)統(tong)(tong)(tong)(tong)、機(ji)封水(shui)系(xi)(xi)統(tong)(tong)(tong)(tong)、沖洗系(xi)(xi)統(tong)(tong)(tong)(tong)、吹(chui)(chui)掃工程等，主要(yao)是保證系(xi)(xi)統(tong)(tong)(tong)(tong)各(ge)設備(bei)正常運行(xing)(xing)(xing)，方便對(dui)系(xi)(xi)統(tong)(tong)(tong)(tong)進(jin)行(xing)(xing)(xing)清(qing)洗；循(xun)環(huan)水(shui)系(xi)(xi)統(tong)(tong)(tong)(tong)主要(yao)是對(dui)系(xi)(xi)統(tong)(tong)(tong)(tong)壓縮(suo)機(ji)油箱進(jin)行(xing)(xing)(xing)降溫(wen)，對(dui)機(ji)封水(shui)進(jin)行(xing)(xing)(xing)冷卻等；機(ji)封水(shui)系(xi)(xi)統(tong)(tong)(tong)(tong)主要(yao)是保護(hu)壓縮(suo)機(ji)及各(ge)個泵的機(ji)封不(bu)受(shou)損壞，作為(wei)噴淋水(shui)對(dui)壓縮(suo)機(ji)軸(zhou)承進(jin)行(xing)(xing)(xing)降溫(wen)同(tong)時防止(zhi)過(guo)熱蒸(zheng)汽產生；沖洗、吹(chui)(chui)掃系(xi)(xi)統(tong)(tong)(tong)(tong)主要(yao)是在停機(ji)是對(dui)系(xi)(xi)統(tong)(tong)(tong)(tong)進(jin)行(xing)(xing)(xing)清(qing)洗、吹(chui)(chui)掃。