高低溫冷(leng)(leng)(leng)(leng)熱(re)一體(ti)機：本(ben)(ben)產品主要用(yong)(yong)于航空(kong)航天的(de)環(huan)(huan)境試(shi)驗、熱(re)沉試(shi)驗、制(zhi)(zhi)(zhi)(zhi)藥(yao)、化(hua)工行業中(zhong)(zhong)的(de)低溫反應釜、特種氣體(ti)的(de)提(ti)純(chun)，化(hua)工、制(zhi)(zhi)(zhi)(zhi)藥(yao)行業中(zhong)(zhong)的(de)低溫蒸餾(liu)、精(jing)餾(liu)、萃(cui)取等(deng)設備中(zhong)(zhong)。本(ben)(ben)設備采(cai)用(yong)(yong)單一循(xun)環(huan)(huan)導熱(re)介質由循(xun)環(huan)(huan)泵(beng)驅(qu)動經(jing)過制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)換(huan)熱(re)器(qi)進(jin)行熱(re)冷(leng)(leng)(leng)(leng)交換(huan)，達到所需溫度(du)。制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)部(bu)分采(cai)用(yong)(yong)單壓縮(suo)機制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)，控制(zhi)(zhi)(zhi)(zhi)蒸發器(qi)蒸發內部(bu)溫度(du)及壓力(li)，從而較精(jing)準控制(zhi)(zhi)(zhi)(zhi)循(xun)環(huan)(huan)冷(leng)(leng)(leng)(leng)卻水的(de)溫度(du)。本(ben)(ben)設備采(cai)用(yong)(yong)蓄冷(leng)(leng)(leng)(leng)式槽設計，提(ti)高系統熱(re)容(rong)量，給(gei)一些換(huan)熱(re)器(qi)提(ti)供冷(leng)(leng)(leng)(leng)量，提(ti)高溫度(du)控制(zhi)(zhi)(zhi)(zhi)的(de)穩定性。制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)機組主要包括制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)壓縮(suo)機、冷(leng)(leng)(leng)(leng)凝器(qi)、循(xun)環(huan)(huan)泵(beng)、干(gan)燥過濾器(qi)、蒸發器(qi)、節(jie)流機構、載冷(leng)(leng)(leng)(leng)劑罐(guan)、循(xun)環(huan)(huan)系統、電氣控制(zhi)(zhi)(zhi)(zhi)等(deng)。

  高(gao)(gao)(gao)低溫(wen)冷熱一體(ti)(ti)(ti)機制(zhi)(zhi)冷工藝流(liu)程(cheng)簡介如下機組(zu)(zu)蒸發器里面的液(ye)態(tai)制(zhi)(zhi)冷劑經(jing)過(guo)(guo)換(huan)熱器系統(tong)內的循環(huan)水進(jin)行交換(huan)，溫(wen)度(du)升(sheng)高(gao)(gao)(gao)，由(you)液(ye)態(tai)變為氣(qi)態(tai)，被壓(ya)縮機吸氣(qi)口(kou)吸入(ru)，經(jing)過(guo)(guo)壓(ya)縮機壓(ya)縮后(hou)的高(gao)(gao)(gao)溫(wen)高(gao)(gao)(gao)壓(ya)制(zhi)(zhi)冷劑氣(qi)體(ti)(ti)(ti)先經(jing)過(guo)(guo)油分離(li)器，將壓(ya)縮過(guo)(guo)程(cheng)中攜(xie)帶(dai)的冷凍機油分離(li)干凈(jing)，而后(hou)進(jin)入(ru)冷凝(ning)器，經(jing)過(guo)(guo)與環(huan)境空氣(qi)或冷卻水換(huan)熱，由(you)高(gao)(gao)(gao)溫(wen)高(gao)(gao)(gao)壓(ya)的氣(qi)體(ti)(ti)(ti)變為高(gao)(gao)(gao)壓(ya)常溫(wen)液(ye)體(ti)(ti)(ti)。高(gao)(gao)(gao)壓(ya)常溫(wen)的制(zhi)(zhi)冷劑液(ye)體(ti)(ti)(ti)，經(jing)干燥過(guo)(guo)濾器，而后(hou)經(jing)過(guo)(guo)膨脹閥節流(liu)降(jiang)壓(ya)，即由(you)高(gao)(gao)(gao)壓(ya)液(ye)體(ti)(ti)(ti)變為低壓(ya)液(ye)體(ti)(ti)(ti)。低壓(ya)液(ye)體(ti)(ti)(ti)（沸點較低）進(jin)入(ru)機組(zu)(zu)蒸發器，通過(guo)(guo)循環(huan)泵(beng)把(ba)冷量(liang)帶(dai)到循環(huan)系統(tong)實(shi)現制(zhi)(zhi)冷。