高(gao)低(di)溫冷(leng)(leng)熱(re)(re)(re)一體(ti)機(ji)：本產品主要用于航空航天的(de)(de)環境試(shi)驗(yan)、熱(re)(re)(re)沉試(shi)驗(yan)、制(zhi)(zhi)(zhi)藥、化(hua)工(gong)行(xing)業中(zhong)的(de)(de)低(di)溫反應釜、特(te)種氣體(ti)的(de)(de)提純，化(hua)工(gong)、制(zhi)(zhi)(zhi)藥行(xing)業中(zhong)的(de)(de)低(di)溫蒸(zheng)餾(liu)、精餾(liu)、萃取等(deng)設備中(zhong)。本設備采(cai)用單(dan)一循(xun)環導熱(re)(re)(re)介質由循(xun)環泵(beng)(beng)驅(qu)動(dong)經過制(zhi)(zhi)(zhi)冷(leng)(leng)換熱(re)(re)(re)器(qi)進(jin)行(xing)熱(re)(re)(re)冷(leng)(leng)交換，達到所需溫度。制(zhi)(zhi)(zhi)冷(leng)(leng)部分采(cai)用單(dan)壓(ya)縮機(ji)制(zhi)(zhi)(zhi)冷(leng)(leng)，控(kong)(kong)制(zhi)(zhi)(zhi)蒸(zheng)發器(qi)蒸(zheng)發內部溫度及壓(ya)力，從而較精準(zhun)控(kong)(kong)制(zhi)(zhi)(zhi)循(xun)環冷(leng)(leng)卻水的(de)(de)溫度。本設備采(cai)用蓄(xu)冷(leng)(leng)式(shi)槽設計，提高(gao)系統熱(re)(re)(re)容量，給一些換熱(re)(re)(re)器(qi)提供冷(leng)(leng)量，提高(gao)溫度控(kong)(kong)制(zhi)(zhi)(zhi)的(de)(de)穩定性。制(zhi)(zhi)(zhi)冷(leng)(leng)機(ji)組(zu)主要包括制(zhi)(zhi)(zhi)冷(leng)(leng)壓(ya)縮機(ji)、冷(leng)(leng)凝器(qi)、循(xun)環泵(beng)(beng)、干燥(zao)過濾器(qi)、蒸(zheng)發器(qi)、節(jie)流機(ji)構(gou)、載冷(leng)(leng)劑罐、循(xun)環系統、電(dian)氣控(kong)(kong)制(zhi)(zhi)(zhi)等(deng)。

  高(gao)低(di)溫(wen)(wen)冷(leng)(leng)(leng)(leng)(leng)(leng)熱(re)一(yi)體機(ji)(ji)制冷(leng)(leng)(leng)(leng)(leng)(leng)工藝流程(cheng)(cheng)簡介(jie)如下機(ji)(ji)組蒸(zheng)發器里面的液(ye)態(tai)制冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)經過(guo)換(huan)熱(re)器系統(tong)內的循環水(shui)進(jin)行交換(huan)，溫(wen)(wen)度升高(gao)，由(you)(you)液(ye)態(tai)變(bian)為(wei)氣態(tai)，被壓(ya)(ya)(ya)(ya)縮機(ji)(ji)吸(xi)氣口(kou)吸(xi)入，經過(guo)壓(ya)(ya)(ya)(ya)縮機(ji)(ji)壓(ya)(ya)(ya)(ya)縮后的高(gao)溫(wen)(wen)高(gao)壓(ya)(ya)(ya)(ya)制冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)氣體先經過(guo)油分(fen)離(li)器，將壓(ya)(ya)(ya)(ya)縮過(guo)程(cheng)(cheng)中攜帶(dai)的冷(leng)(leng)(leng)(leng)(leng)(leng)凍機(ji)(ji)油分(fen)離(li)干(gan)凈，而后進(jin)入冷(leng)(leng)(leng)(leng)(leng)(leng)凝(ning)器，經過(guo)與環境空氣或冷(leng)(leng)(leng)(leng)(leng)(leng)卻水(shui)換(huan)熱(re)，由(you)(you)高(gao)溫(wen)(wen)高(gao)壓(ya)(ya)(ya)(ya)的氣體變(bian)為(wei)高(gao)壓(ya)(ya)(ya)(ya)常溫(wen)(wen)液(ye)體。高(gao)壓(ya)(ya)(ya)(ya)常溫(wen)(wen)的制冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)液(ye)體，經干(gan)燥過(guo)濾器，而后經過(guo)膨脹閥(fa)節(jie)流降壓(ya)(ya)(ya)(ya)，即(ji)由(you)(you)高(gao)壓(ya)(ya)(ya)(ya)液(ye)體變(bian)為(wei)低(di)壓(ya)(ya)(ya)(ya)液(ye)體。低(di)壓(ya)(ya)(ya)(ya)液(ye)體（沸點較低(di)）進(jin)入機(ji)(ji)組蒸(zheng)發器，通(tong)過(guo)循環泵(beng)把(ba)冷(leng)(leng)(leng)(leng)(leng)(leng)量帶(dai)到循環系統(tong)實現制冷(leng)(leng)(leng)(leng)(leng)(leng)。