高(gao)低(di)溫(wen)(wen)(wen)冷(leng)(leng)(leng)熱一(yi)體機：本(ben)產品主(zhu)要用(yong)于航(hang)空航(hang)天(tian)的(de)環(huan)境試驗(yan)、熱沉試驗(yan)、制(zhi)(zhi)(zhi)(zhi)藥、化(hua)工行(xing)(xing)(xing)業中的(de)低(di)溫(wen)(wen)(wen)反應釜、特種氣體的(de)提(ti)純，化(hua)工、制(zhi)(zhi)(zhi)(zhi)藥行(xing)(xing)(xing)業中的(de)低(di)溫(wen)(wen)(wen)蒸(zheng)餾、精(jing)餾、萃(cui)取等設(she)備(bei)中。本(ben)設(she)備(bei)采用(yong)單一(yi)循(xun)環(huan)導(dao)熱介質(zhi)由(you)循(xun)環(huan)泵驅動經(jing)過制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)換熱器(qi)(qi)(qi)進行(xing)(xing)(xing)熱冷(leng)(leng)(leng)交換，達到所需溫(wen)(wen)(wen)度(du)。制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)部(bu)分采用(yong)單壓縮(suo)機制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)，控制(zhi)(zhi)(zhi)(zhi)蒸(zheng)發器(qi)(qi)(qi)蒸(zheng)發內部(bu)溫(wen)(wen)(wen)度(du)及壓力，從(cong)而較精(jing)準(zhun)控制(zhi)(zhi)(zhi)(zhi)循(xun)環(huan)冷(leng)(leng)(leng)卻(que)水的(de)溫(wen)(wen)(wen)度(du)。本(ben)設(she)備(bei)采用(yong)蓄冷(leng)(leng)(leng)式槽(cao)設(she)計，提(ti)高(gao)系統(tong)(tong)熱容量(liang)，給一(yi)些換熱器(qi)(qi)(qi)提(ti)供(gong)冷(leng)(leng)(leng)量(liang)，提(ti)高(gao)溫(wen)(wen)(wen)度(du)控制(zhi)(zhi)(zhi)(zhi)的(de)穩(wen)定(ding)性。制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機組(zu)主(zhu)要包括制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)壓縮(suo)機、冷(leng)(leng)(leng)凝(ning)器(qi)(qi)(qi)、循(xun)環(huan)泵、干(gan)燥過濾器(qi)(qi)(qi)、蒸(zheng)發器(qi)(qi)(qi)、節流機構、載冷(leng)(leng)(leng)劑罐(guan)、循(xun)環(huan)系統(tong)(tong)、電氣控制(zhi)(zhi)(zhi)(zhi)等。

  高(gao)(gao)(gao)低(di)溫(wen)冷(leng)(leng)(leng)(leng)(leng)熱一體(ti)(ti)(ti)機制冷(leng)(leng)(leng)(leng)(leng)工藝流程簡介如下機組(zu)蒸發器(qi)里面的(de)液(ye)態(tai)(tai)制冷(leng)(leng)(leng)(leng)(leng)劑(ji)經(jing)(jing)過(guo)(guo)換(huan)熱器(qi)系統(tong)內的(de)循環(huan)水進行(xing)交換(huan)，溫(wen)度(du)升高(gao)(gao)(gao)，由(you)液(ye)態(tai)(tai)變為氣(qi)態(tai)(tai)，被(bei)壓(ya)(ya)(ya)縮機吸氣(qi)口吸入，經(jing)(jing)過(guo)(guo)壓(ya)(ya)(ya)縮機壓(ya)(ya)(ya)縮后(hou)的(de)高(gao)(gao)(gao)溫(wen)高(gao)(gao)(gao)壓(ya)(ya)(ya)制冷(leng)(leng)(leng)(leng)(leng)劑(ji)氣(qi)體(ti)(ti)(ti)先經(jing)(jing)過(guo)(guo)油分(fen)離器(qi)，將壓(ya)(ya)(ya)縮過(guo)(guo)程中攜帶(dai)的(de)冷(leng)(leng)(leng)(leng)(leng)凍機油分(fen)離干(gan)凈，而后(hou)進入冷(leng)(leng)(leng)(leng)(leng)凝器(qi)，經(jing)(jing)過(guo)(guo)與環(huan)境空(kong)氣(qi)或(huo)冷(leng)(leng)(leng)(leng)(leng)卻(que)水換(huan)熱，由(you)高(gao)(gao)(gao)溫(wen)高(gao)(gao)(gao)壓(ya)(ya)(ya)的(de)氣(qi)體(ti)(ti)(ti)變為高(gao)(gao)(gao)壓(ya)(ya)(ya)常溫(wen)液(ye)體(ti)(ti)(ti)。高(gao)(gao)(gao)壓(ya)(ya)(ya)常溫(wen)的(de)制冷(leng)(leng)(leng)(leng)(leng)劑(ji)液(ye)體(ti)(ti)(ti)，經(jing)(jing)干(gan)燥過(guo)(guo)濾器(qi)，而后(hou)經(jing)(jing)過(guo)(guo)膨(peng)脹閥節流降壓(ya)(ya)(ya)，即由(you)高(gao)(gao)(gao)壓(ya)(ya)(ya)液(ye)體(ti)(ti)(ti)變為低(di)壓(ya)(ya)(ya)液(ye)體(ti)(ti)(ti)。低(di)壓(ya)(ya)(ya)液(ye)體(ti)(ti)(ti)（沸點較低(di)）進入機組(zu)蒸發器(qi)，通(tong)過(guo)(guo)循環(huan)泵把冷(leng)(leng)(leng)(leng)(leng)量帶(dai)到循環(huan)系統(tong)實現制冷(leng)(leng)(leng)(leng)(leng)。