高(gao)低溫(wen)冷(leng)(leng)(leng)熱(re)一(yi)(yi)體(ti)機(ji)：本產品(pin)主要(yao)用(yong)(yong)(yong)于航空(kong)航天的(de)(de)(de)(de)環(huan)境試驗(yan)、熱(re)沉試驗(yan)、制(zhi)藥(yao)、化工行(xing)業中的(de)(de)(de)(de)低溫(wen)反應釜、特種氣體(ti)的(de)(de)(de)(de)提(ti)純，化工、制(zhi)藥(yao)行(xing)業中的(de)(de)(de)(de)低溫(wen)蒸餾、精餾、萃取(qu)等設(she)備中。本設(she)備采用(yong)(yong)(yong)單一(yi)(yi)循環(huan)導熱(re)介質由循環(huan)泵(beng)驅動(dong)經過制(zhi)冷(leng)(leng)(leng)換(huan)熱(re)器(qi)(qi)進行(xing)熱(re)冷(leng)(leng)(leng)交(jiao)換(huan)，達到(dao)所(suo)需(xu)溫(wen)度(du)。制(zhi)冷(leng)(leng)(leng)部分采用(yong)(yong)(yong)單壓縮機(ji)制(zhi)冷(leng)(leng)(leng)，控(kong)制(zhi)蒸發器(qi)(qi)蒸發內部溫(wen)度(du)及壓力，從而較(jiao)精準控(kong)制(zhi)循環(huan)冷(leng)(leng)(leng)卻水的(de)(de)(de)(de)溫(wen)度(du)。本設(she)備采用(yong)(yong)(yong)蓄冷(leng)(leng)(leng)式槽設(she)計，提(ti)高(gao)系統熱(re)容量，給一(yi)(yi)些換(huan)熱(re)器(qi)(qi)提(ti)供冷(leng)(leng)(leng)量，提(ti)高(gao)溫(wen)度(du)控(kong)制(zhi)的(de)(de)(de)(de)穩定性。制(zhi)冷(leng)(leng)(leng)機(ji)組主要(yao)包括制(zhi)冷(leng)(leng)(leng)壓縮機(ji)、冷(leng)(leng)(leng)凝器(qi)(qi)、循環(huan)泵(beng)、干(gan)燥過濾器(qi)(qi)、蒸發器(qi)(qi)、節流機(ji)構、載(zai)冷(leng)(leng)(leng)劑(ji)罐(guan)、循環(huan)系統、電氣控(kong)制(zhi)等。

  高(gao)(gao)低(di)溫(wen)(wen)冷(leng)(leng)(leng)熱一體機(ji)制(zhi)冷(leng)(leng)(leng)工(gong)藝流程(cheng)簡介如下機(ji)組(zu)蒸發(fa)器(qi)里面(mian)的(de)液(ye)態制(zhi)冷(leng)(leng)(leng)劑經(jing)過(guo)(guo)(guo)換熱器(qi)系(xi)(xi)統內的(de)循環(huan)水進行交(jiao)換，溫(wen)(wen)度(du)升高(gao)(gao)，由液(ye)態變(bian)為(wei)氣態，被壓(ya)(ya)(ya)縮機(ji)吸氣口吸入，經(jing)過(guo)(guo)(guo)壓(ya)(ya)(ya)縮機(ji)壓(ya)(ya)(ya)縮后的(de)高(gao)(gao)溫(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)制(zhi)冷(leng)(leng)(leng)劑氣體先經(jing)過(guo)(guo)(guo)油分離器(qi)，將壓(ya)(ya)(ya)縮過(guo)(guo)(guo)程(cheng)中攜帶的(de)冷(leng)(leng)(leng)凍機(ji)油分離干凈，而后進入冷(leng)(leng)(leng)凝器(qi)，經(jing)過(guo)(guo)(guo)與環(huan)境空(kong)氣或冷(leng)(leng)(leng)卻(que)水換熱，由高(gao)(gao)溫(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)的(de)氣體變(bian)為(wei)高(gao)(gao)壓(ya)(ya)(ya)常(chang)溫(wen)(wen)液(ye)體。高(gao)(gao)壓(ya)(ya)(ya)常(chang)溫(wen)(wen)的(de)制(zhi)冷(leng)(leng)(leng)劑液(ye)體，經(jing)干燥(zao)過(guo)(guo)(guo)濾器(qi)，而后經(jing)過(guo)(guo)(guo)膨脹閥節流降壓(ya)(ya)(ya)，即由高(gao)(gao)壓(ya)(ya)(ya)液(ye)體變(bian)為(wei)低(di)壓(ya)(ya)(ya)液(ye)體。低(di)壓(ya)(ya)(ya)液(ye)體（沸點較低(di)）進入機(ji)組(zu)蒸發(fa)器(qi)，通(tong)過(guo)(guo)(guo)循環(huan)泵把冷(leng)(leng)(leng)量帶到循環(huan)系(xi)(xi)統實現制(zhi)冷(leng)(leng)(leng)。