高(gao)低(di)溫(wen)(wen)(wen)冷(leng)(leng)熱(re)(re)一體機：本產品主要(yao)用(yong)于航空航天的(de)(de)(de)環境試驗(yan)、熱(re)(re)沉試驗(yan)、制(zhi)(zhi)藥、化工(gong)行(xing)業(ye)中(zhong)的(de)(de)(de)低(di)溫(wen)(wen)(wen)反(fan)應釜、特(te)種(zhong)氣體的(de)(de)(de)提(ti)純，化工(gong)、制(zhi)(zhi)藥行(xing)業(ye)中(zhong)的(de)(de)(de)低(di)溫(wen)(wen)(wen)蒸(zheng)(zheng)餾、精(jing)餾、萃取等(deng)設(she)備中(zhong)。本設(she)備采(cai)(cai)用(yong)單(dan)一循(xun)環導熱(re)(re)介(jie)質(zhi)由(you)循(xun)環泵(beng)驅動(dong)經(jing)過制(zhi)(zhi)冷(leng)(leng)換(huan)(huan)熱(re)(re)器(qi)(qi)進行(xing)熱(re)(re)冷(leng)(leng)交(jiao)換(huan)(huan)，達到(dao)所需溫(wen)(wen)(wen)度。制(zhi)(zhi)冷(leng)(leng)部(bu)分采(cai)(cai)用(yong)單(dan)壓(ya)(ya)(ya)縮(suo)機制(zhi)(zhi)冷(leng)(leng)，控(kong)制(zhi)(zhi)蒸(zheng)(zheng)發(fa)器(qi)(qi)蒸(zheng)(zheng)發(fa)內(nei)部(bu)溫(wen)(wen)(wen)度及壓(ya)(ya)(ya)力，從而較精(jing)準控(kong)制(zhi)(zhi)循(xun)環冷(leng)(leng)卻水的(de)(de)(de)溫(wen)(wen)(wen)度。本設(she)備采(cai)(cai)用(yong)蓄冷(leng)(leng)式(shi)槽設(she)計，提(ti)高(gao)系統熱(re)(re)容量，給一些換(huan)(huan)熱(re)(re)器(qi)(qi)提(ti)供(gong)冷(leng)(leng)量，提(ti)高(gao)溫(wen)(wen)(wen)度控(kong)制(zhi)(zhi)的(de)(de)(de)穩定性。制(zhi)(zhi)冷(leng)(leng)機組主要(yao)包括制(zhi)(zhi)冷(leng)(leng)壓(ya)(ya)(ya)縮(suo)機、冷(leng)(leng)凝器(qi)(qi)、循(xun)環泵(beng)、干燥過濾(lv)器(qi)(qi)、蒸(zheng)(zheng)發(fa)器(qi)(qi)、節流機構、載(zai)冷(leng)(leng)劑罐、循(xun)環系統、電(dian)氣控(kong)制(zhi)(zhi)等(deng)。

  高(gao)(gao)(gao)(gao)低(di)(di)溫(wen)(wen)冷(leng)(leng)(leng)熱(re)(re)(re)一(yi)體(ti)機制冷(leng)(leng)(leng)工(gong)藝流程簡(jian)介如下機組(zu)蒸(zheng)發器(qi)里面的液態制冷(leng)(leng)(leng)劑經(jing)(jing)過(guo)(guo)換熱(re)(re)(re)器(qi)系(xi)統內的循環水進行交換，溫(wen)(wen)度升高(gao)(gao)(gao)(gao)，由(you)液態變(bian)為(wei)氣態，被壓(ya)(ya)(ya)縮機吸氣口吸入(ru)(ru)，經(jing)(jing)過(guo)(guo)壓(ya)(ya)(ya)縮機壓(ya)(ya)(ya)縮后(hou)的高(gao)(gao)(gao)(gao)溫(wen)(wen)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)制冷(leng)(leng)(leng)劑氣體(ti)先經(jing)(jing)過(guo)(guo)油(you)分(fen)離(li)器(qi)，將壓(ya)(ya)(ya)縮過(guo)(guo)程中攜(xie)帶的冷(leng)(leng)(leng)凍機油(you)分(fen)離(li)干(gan)凈，而(er)(er)后(hou)進入(ru)(ru)冷(leng)(leng)(leng)凝器(qi)，經(jing)(jing)過(guo)(guo)與環境(jing)空氣或冷(leng)(leng)(leng)卻水換熱(re)(re)(re)，由(you)高(gao)(gao)(gao)(gao)溫(wen)(wen)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)的氣體(ti)變(bian)為(wei)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)常(chang)溫(wen)(wen)液體(ti)。高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)常(chang)溫(wen)(wen)的制冷(leng)(leng)(leng)劑液體(ti)，經(jing)(jing)干(gan)燥過(guo)(guo)濾器(qi)，而(er)(er)后(hou)經(jing)(jing)過(guo)(guo)膨脹閥(fa)節流降壓(ya)(ya)(ya)，即由(you)高(gao)(gao)(gao)(gao)壓(ya)(ya)(ya)液體(ti)變(bian)為(wei)低(di)(di)壓(ya)(ya)(ya)液體(ti)。低(di)(di)壓(ya)(ya)(ya)液體(ti)（沸點較低(di)(di)）進入(ru)(ru)機組(zu)蒸(zheng)發器(qi)，通(tong)過(guo)(guo)循環泵把(ba)冷(leng)(leng)(leng)量帶到循環系(xi)統實現制冷(leng)(leng)(leng)。