高低溫(wen)冷(leng)(leng)(leng)(leng)熱(re)(re)一體機：本產品(pin)主要用于航空航天的環(huan)境試驗、熱(re)(re)沉(chen)試驗、制(zhi)(zhi)(zhi)藥、化工行(xing)(xing)業中(zhong)的低溫(wen)反應釜、特種氣體的提(ti)(ti)純，化工、制(zhi)(zhi)(zhi)藥行(xing)(xing)業中(zhong)的低溫(wen)蒸(zheng)餾(liu)(liu)、精(jing)餾(liu)(liu)、萃(cui)取等(deng)設(she)備(bei)(bei)中(zhong)。本設(she)備(bei)(bei)采用單(dan)一循(xun)環(huan)導熱(re)(re)介質由循(xun)環(huan)泵驅動(dong)經過制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)換(huan)熱(re)(re)器(qi)(qi)進行(xing)(xing)熱(re)(re)冷(leng)(leng)(leng)(leng)交換(huan)，達到所需(xu)溫(wen)度(du)(du)(du)。制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)部(bu)分采用單(dan)壓(ya)(ya)縮機制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)，控制(zhi)(zhi)(zhi)蒸(zheng)發器(qi)(qi)蒸(zheng)發內(nei)部(bu)溫(wen)度(du)(du)(du)及壓(ya)(ya)力，從(cong)而(er)較精(jing)準控制(zhi)(zhi)(zhi)循(xun)環(huan)冷(leng)(leng)(leng)(leng)卻水(shui)的溫(wen)度(du)(du)(du)。本設(she)備(bei)(bei)采用蓄冷(leng)(leng)(leng)(leng)式槽(cao)設(she)計，提(ti)(ti)高系統(tong)(tong)熱(re)(re)容量(liang)，給一些換(huan)熱(re)(re)器(qi)(qi)提(ti)(ti)供(gong)冷(leng)(leng)(leng)(leng)量(liang)，提(ti)(ti)高溫(wen)度(du)(du)(du)控制(zhi)(zhi)(zhi)的穩定(ding)性。制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)機組(zu)主要包括(kuo)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)壓(ya)(ya)縮機、冷(leng)(leng)(leng)(leng)凝器(qi)(qi)、循(xun)環(huan)泵、干(gan)燥過濾(lv)器(qi)(qi)、蒸(zheng)發器(qi)(qi)、節流機構、載冷(leng)(leng)(leng)(leng)劑罐、循(xun)環(huan)系統(tong)(tong)、電氣控制(zhi)(zhi)(zhi)等(deng)。

  高(gao)低(di)(di)溫(wen)(wen)(wen)冷(leng)(leng)熱一體機(ji)(ji)(ji)制(zhi)(zhi)冷(leng)(leng)工藝流(liu)程(cheng)簡介如(ru)下機(ji)(ji)(ji)組(zu)蒸發器(qi)里面的液(ye)態制(zhi)(zhi)冷(leng)(leng)劑(ji)經(jing)過(guo)換熱器(qi)系(xi)統(tong)內(nei)的循環水進行交換，溫(wen)(wen)(wen)度升高(gao)，由液(ye)態變(bian)為(wei)氣(qi)態，被(bei)壓縮機(ji)(ji)(ji)吸氣(qi)口吸入，經(jing)過(guo)壓縮機(ji)(ji)(ji)壓縮后的高(gao)溫(wen)(wen)(wen)高(gao)壓制(zhi)(zhi)冷(leng)(leng)劑(ji)氣(qi)體先(xian)經(jing)過(guo)油分離器(qi)，將壓縮過(guo)程(cheng)中攜帶的冷(leng)(leng)凍機(ji)(ji)(ji)油分離干凈，而(er)后進入冷(leng)(leng)凝器(qi)，經(jing)過(guo)與環境空氣(qi)或冷(leng)(leng)卻水換熱，由高(gao)溫(wen)(wen)(wen)高(gao)壓的氣(qi)體變(bian)為(wei)高(gao)壓常溫(wen)(wen)(wen)液(ye)體。高(gao)壓常溫(wen)(wen)(wen)的制(zhi)(zhi)冷(leng)(leng)劑(ji)液(ye)體，經(jing)干燥過(guo)濾(lv)器(qi)，而(er)后經(jing)過(guo)膨(peng)脹閥節流(liu)降壓，即由高(gao)壓液(ye)體變(bian)為(wei)低(di)(di)壓液(ye)體。低(di)(di)壓液(ye)體（沸點較低(di)(di)）進入機(ji)(ji)(ji)組(zu)蒸發器(qi)，通過(guo)循環泵把冷(leng)(leng)量帶到循環系(xi)統(tong)實現制(zhi)(zhi)冷(leng)(leng)。