在制(zhi)(zhi)(zhi)(zhi)冷系統中(zhong)(zhong)，蒸(zheng)(zheng)發器、冷凝器、壓(ya)(ya)(ya)(ya)縮機和(he)節流閥是制(zhi)(zhi)(zhi)(zhi)冷系統中(zhong)(zhong)的(de)(de)四大件(jian)，這當中(zhong)(zhong)蒸(zheng)(zheng)發器是輸(shu)送(song)冷量的(de)(de)設(she)備(bei)。制(zhi)(zhi)(zhi)(zhi)冷劑在其中(zhong)(zhong)吸(xi)收(shou)被冷卻(que)物體的(de)(de)熱量實現制(zhi)(zhi)(zhi)(zhi)冷。壓(ya)(ya)(ya)(ya)縮機是心(xin)臟，起著吸(xi)入、壓(ya)(ya)(ya)(ya)縮、輸(shu)送(song)制(zhi)(zhi)(zhi)(zhi)冷劑蒸(zheng)(zheng)汽的(de)(de)作用(yong)(yong)。冷凝器是放出熱量的(de)(de)設(she)備(bei)，將(jiang)(jiang)蒸(zheng)(zheng)發器中(zhong)(zhong)吸(xi)收(shou)的(de)(de)熱量連(lian)同壓(ya)(ya)(ya)(ya)縮機功所轉化的(de)(de)熱量一起傳冷庫(ku)冷凝器遞給(gei)冷卻(que)介(jie)質(zhi)帶走。節流閥對(dui)制(zhi)(zhi)(zhi)(zhi)冷劑起節流ｊｉａｎｇ壓(ya)(ya)(ya)(ya)作用(yong)(yong)，同時控制(zhi)(zhi)(zhi)(zhi)和(he)調節流入蒸(zheng)(zheng)發器中(zhong)(zhong)制(zhi)(zhi)(zhi)(zhi)冷劑液(ye)體的(de)(de)量，并將(jiang)(jiang)系統分為高壓(ya)(ya)(ya)(ya)側和(he)低壓(ya)(ya)(ya)(ya)側兩(liang)大部(bu)分。實際制(zhi)(zhi)(zhi)(zhi)冷系統中(zhong)(zhong)，除(chu)上述四大件(jian)之外，常(chang)常(chang)有(you)一些輔助設(she)備(bei)，如電磁(ci)閥、分配器、干燥器、集(ji)熱器、易(yi)熔塞、壓(ya)(ya)(ya)(ya)力控制(zhi)(zhi)(zhi)(zhi)器等部(bu)件(jian)組成，它(ta)們是為了(le)提(ti)高運行(xing)的(de)(de)經濟性、可靠性和(he)安全性而(er)設(she)置(zhi)的(de)(de)。

冷(leng)凝(ning)器(qi)是(shi)制冷(leng)系(xi)(xi)統中的(de)重要設備之一(yi)，玻(bo)璃冷(leng)凝(ning)器(qi)廠，它是(shi)經冷(leng)凝(ning)器(qi)的(de)放熱表面，將制冷(leng)劑過熱蒸汽飛熱量傳遞給周圍空氣或水，自身被冷(leng)卻為(wei)飽(bao)和蒸汽，并(bing)進一(yi)步(bu)被冷(leng)卻為(wei)高壓液體，在系(xi)(xi)統中循(xun)環使(shi)用。

冷凝器的形式

冷(leng)(leng)(leng)(leng)凝(ning)(ning)(ning)器(qi)(qi)在工業中(zhong)有廣泛的應用，按照使用冷(leng)(leng)(leng)(leng)凝(ning)(ning)(ning)介質的不(bu)(bu)同可以分為風冷(leng)(leng)(leng)(leng)式(shi)、水(shui)(shui)(shui)冷(leng)(leng)(leng)(leng)式(shi)以及(ji)水(shui)(shui)(shui)與空(kong)氣(qi)聯合冷(leng)(leng)(leng)(leng)卻(que)式(shi)三種。水(shui)(shui)(shui)冷(leng)(leng)(leng)(leng)式(shi)冷(leng)(leng)(leng)(leng)凝(ning)(ning)(ning)器(qi)(qi)可裝與室外，占(zhan)地面(mian)(mian)積小，玻璃冷(leng)(leng)(leng)(leng)凝(ning)(ning)(ning)器(qi)(qi)報價，易清(qing)(qing)洗，傳熱效(xiao)果(guo)好(hao)，傳熱；但(dan)是冷(leng)(leng)(leng)(leng)卻(que)水(shui)(shui)(shui)量大(da)，水(shui)(shui)(shui)質要(yao)(yao)求(qiu)(qiu)高，清(qing)(qing)洗困(kun)難(nan)；空(kong)氣(qi)冷(leng)(leng)(leng)(leng)卻(que)式(shi)不(bu)(bu)需(xu)要(yao)(yao)冷(leng)(leng)(leng)(leng)卻(que)水(shui)(shui)(shui)，不(bu)(bu)需(xu)水(shui)(shui)(shui)配管，不(bu)(bu)需(xu)要(yao)(yao)冷(leng)(leng)(leng)(leng)卻(que)水(shui)(shui)(shui)，無噪聲，不(bu)(bu)需(xu)動力；但(dan)是空(kong)氣(qi)冷(leng)(leng)(leng)(leng)卻(que)式(shi)體積大(da)，玻璃冷(leng)(leng)(leng)(leng)凝(ning)(ning)(ning)器(qi)(qi)價格，功率消耗大(da)；水(shui)(shui)(shui)和空(kong)氣(qi)聯合冷(leng)(leng)(leng)(leng)卻(que)式(shi)制(zhi)造(zao)方(fang)便(bian)，清(qing)(qing)洗方(fang)便(bian)，玻璃冷(leng)(leng)(leng)(leng)凝(ning)(ning)(ning)器(qi)(qi)，水(shui)(shui)(shui)質要(yao)(yao)求(qiu)(qiu)低，冷(leng)(leng)(leng)(leng)卻(que)水(shui)(shui)(shui)耗量小，冷(leng)(leng)(leng)(leng)凝(ning)(ning)(ning)溫度較低，但(dan)是占(zhan)地面(mian)(mian)積大(da)，金屬(shu)耗量大(da)，傳熱效(xiao)果(guo)較差，清(qing)(qing)洗維修(xiu)困(kun)難(nan)。

為了(le)保證冷凝器(qi)(qi)脹(zhang)(zhang)(zhang)(zhang)管(guan)(guan)(guan)(guan)質量，必須選擇合(he)適的(de)(de)脹(zhang)(zhang)(zhang)(zhang)管(guan)(guan)(guan)(guan)率，通常用脹(zhang)(zhang)(zhang)(zhang)緊程(cheng)度與管(guan)(guan)(guan)(guan)孔厚(hou)的(de)(de)直徑(jing)百分比來表示脹(zhang)(zhang)(zhang)(zhang)管(guan)(guan)(guan)(guan)率。整個脹(zhang)(zhang)(zhang)(zhang)管(guan)(guan)(guan)(guan)過程(cheng)可以分為兩步(bu)。步(bu)是用脹(zhang)(zhang)(zhang)(zhang)管(guan)(guan)(guan)(guan)器(qi)(qi)將接入(ru)管(guan)(guan)(guan)(guan)孔中的(de)(de)管(guan)(guan)(guan)(guan)子(zi)脹(zhang)(zhang)(zhang)(zhang)大(da)(da)，使(shi)管(guan)(guan)(guan)(guan)子(zi)外壁(bi)與管(guan)(guan)(guan)(guan)孔緊密貼合(he)；第二步(bu)是將管(guan)(guan)(guan)(guan)子(zi)和管(guan)(guan)(guan)(guan)孔后脹(zhang)(zhang)(zhang)(zhang)到需要的(de)(de)數值，并把端部翻成(cheng)喇(la)叭形狀(zhuang)。從步(bu)到第二步(bu)，管(guan)(guan)(guan)(guan)子(zi)的(de)(de)內(nei)徑(jing)脹(zhang)(zhang)(zhang)(zhang)大(da)(da)了(le)一(yi)個數值，這(zhe)個數值就是脹(zhang)(zhang)(zhang)(zhang)緊程(cheng)度。