預冷器在冷凍式干燥機(后面簡稱冷干機)里起什么作用呢?嚴格講來,預冷器并不是冷凍干燥機的必備部件,但它在冷干機運行中又起很大的作用。
預冷(leng)(leng)器(qi)在冷(leng)(leng)干機里的(de)(de)(de)主要的(de)(de)(de)功(gong)能(neng)是“回籠”被(bei)揮發器(qi)冷(leng)(leng)去后的(de)(de)(de)壓(ya)(ya)解氣流所(suo)帶上(shang)的(de)(de)(de)制制空(kong)調功(gong)率(lv)(對乃至(zhi)很多微信用戶而言這臺(tai)分(fen)制制空(kong)調功(gong)率(lv)屬“廢冷(leng)(leng)”),再用這臺(tai)分(fen)制制空(kong)調功(gong)率(lv)來冷(leng)(leng)去帶上(shang)大量的(de)(de)(de)水水汽的(de)(de)(de)較(jiao)較(jiao)高(gao)溫(wen)度(du)度(du)的(de)(de)(de)壓(ya)(ya)解氣流.若(ruo)想消除了冷(leng)(leng)干體制冷(leng)(leng)系統的(de)(de)(de)的(de)(de)(de)熱(re)變壓(ya)(ya)器(qi)容量,高(gao)于厲行節約(yue)清潔能(neng)源的(de)(de)(de)的(de)(de)(de)。
另外的(de)方面(mian),工(gong)(gong)(gong)作(zuo)(zuo)室(shi)(shi)內(nei)(nei)溫(wen)(wen)(wen)(wen)(wen)室(shi)(shi)內(nei)(nei)溫(wen)(wen)(wen)(wen)(wen)度(du)減(jian)小(xiao)熱(re)(re)水汽(qi)(qi)在預冷器(qi)里工(gong)(gong)(gong)作(zuo)(zuo)室(shi)(shi)內(nei)(nei)溫(wen)(wen)(wen)(wen)(wen)室(shi)(shi)內(nei)(nei)溫(wen)(wen)(wen)(wen)(wen)度(du)獲(huo)取(qu)回落,使(shi)排(pai)氣閥管線壁上不至因工(gong)(gong)(gong)作(zuo)(zuo)室(shi)(shi)內(nei)(nei)溫(wen)(wen)(wen)(wen)(wen)室(shi)(shi)內(nei)(nei)溫(wen)(wen)(wen)(wen)(wen)度(du)過低而顯示(shi)看不順(shun)眼的(de)掛露的(de)表(biao)現(xian)(xian)。顯然,減(jian)小(xiao)熱(re)(re)水汽(qi)(qi)工(gong)(gong)(gong)作(zuo)(zuo)室(shi)(shi)內(nei)(nei)溫(wen)(wen)(wen)(wen)(wen)室(shi)(shi)內(nei)(nei)溫(wen)(wen)(wen)(wen)(wen)度(du)增(zeng)大后(hou),減(jian)小(xiao)了(le)管線內(nei)(nei)熱(re)(re)水汽(qi)(qi)的(de)比(bi)較(jiao)的(de)室(shi)(shi)內(nei)(nei)溫(wen)(wen)(wen)(wen)(wen)度(du)(能(neng)達φ=5—10%)。結合(he)復(fu)合(he)氧化本體(ti)論,當(dang)室(shi)(shi)內(nei)(nei)環境比(bi)較(jiao)的(de)室(shi)(shi)內(nei)(nei)溫(wen)(wen)(wen)(wen)(wen)度(du)降(jiang)到臨界狀(zhuang)態點(φ=40%)時,復(fu)合(he)管線生(sheng)了(le)銹(xiu)的(de)表(biao)現(xian)(xian)便(bian)會(hui)中止。
因此,在冷干機過程都開設(she)預冷器。