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高低溫冷熱一體機制冷工藝流程簡介

2023-04-07


  高(gao)低溫(wen)冷(leng)(leng)(leng)熱(re)(re)一體機:本(ben)產品主(zhu)要用(yong)于航空航天的(de)(de)環(huan)(huan)境(jing)試(shi)驗、熱(re)(re)沉試(shi)驗、制(zhi)藥、化(hua)工行(xing)(xing)業(ye)中(zhong)的(de)(de)低溫(wen)反應釜、特種氣體的(de)(de)提(ti)(ti)(ti)純,化(hua)工、制(zhi)藥行(xing)(xing)業(ye)中(zhong)的(de)(de)低溫(wen)蒸餾、精(jing)餾、萃取等設(she)(she)備(bei)中(zhong)。本(ben)設(she)(she)備(bei)采用(yong)單(dan)一循環(huan)(huan)導熱(re)(re)介質由循環(huan)(huan)泵驅動(dong)經過(guo)制(zhi)冷(leng)(leng)(leng)換(huan)(huan)熱(re)(re)器進行(xing)(xing)熱(re)(re)冷(leng)(leng)(leng)交換(huan)(huan),達(da)到所需(xu)溫(wen)度(du)(du)。制(zhi)冷(leng)(leng)(leng)部分采用(yong)單(dan)壓縮機制(zhi)冷(leng)(leng)(leng),控制(zhi)蒸發(fa)器蒸發(fa)內部溫(wen)度(du)(du)及壓力,從(cong)而較精(jing)準控制(zhi)循環(huan)(huan)冷(leng)(leng)(leng)卻(que)水(shui)的(de)(de)溫(wen)度(du)(du)。本(ben)設(she)(she)備(bei)采用(yong)蓄冷(leng)(leng)(leng)式槽設(she)(she)計,提(ti)(ti)(ti)高(gao)系統(tong)熱(re)(re)容(rong)量(liang),給一些換(huan)(huan)熱(re)(re)器提(ti)(ti)(ti)供(gong)冷(leng)(leng)(leng)量(liang),提(ti)(ti)(ti)高(gao)溫(wen)度(du)(du)控制(zhi)的(de)(de)穩定性。制(zhi)冷(leng)(leng)(leng)機組主(zhu)要包(bao)括制(zhi)冷(leng)(leng)(leng)壓縮機、冷(leng)(leng)(leng)凝器、循環(huan)(huan)泵、干燥(zao)過(guo)濾(lv)器、蒸發(fa)器、節流機構(gou)、載(zai)冷(leng)(leng)(leng)劑罐、循環(huan)(huan)系統(tong)、電氣控制(zhi)等。

  高(gao)(gao)低(di)(di)溫(wen)(wen)冷(leng)熱(re)一體(ti)機(ji)(ji)(ji)制冷(leng)工藝流程(cheng)簡介(jie)如下機(ji)(ji)(ji)組蒸發(fa)器(qi)(qi)里面的(de)(de)液(ye)(ye)(ye)態(tai)制冷(leng)劑經(jing)過換(huan)熱(re)器(qi)(qi)系(xi)統(tong)內的(de)(de)循環水(shui)進行交換(huan),溫(wen)(wen)度升高(gao)(gao),由(you)液(ye)(ye)(ye)態(tai)變為氣態(tai),被壓(ya)(ya)(ya)(ya)(ya)縮機(ji)(ji)(ji)吸氣口吸入,經(jing)過壓(ya)(ya)(ya)(ya)(ya)縮機(ji)(ji)(ji)壓(ya)(ya)(ya)(ya)(ya)縮后的(de)(de)高(gao)(gao)溫(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)制冷(leng)劑氣體(ti)先經(jing)過油分離(li)器(qi)(qi),將壓(ya)(ya)(ya)(ya)(ya)縮過程(cheng)中攜帶(dai)的(de)(de)冷(leng)凍機(ji)(ji)(ji)油分離(li)干凈,而后進入冷(leng)凝器(qi)(qi),經(jing)過與(yu)環境空氣或(huo)冷(leng)卻水(shui)換(huan)熱(re),由(you)高(gao)(gao)溫(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)的(de)(de)氣體(ti)變為高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)常(chang)溫(wen)(wen)液(ye)(ye)(ye)體(ti)。高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)常(chang)溫(wen)(wen)的(de)(de)制冷(leng)劑液(ye)(ye)(ye)體(ti),經(jing)干燥過濾器(qi)(qi),而后經(jing)過膨(peng)脹閥節流降壓(ya)(ya)(ya)(ya)(ya),即由(you)高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)液(ye)(ye)(ye)體(ti)變為低(di)(di)壓(ya)(ya)(ya)(ya)(ya)液(ye)(ye)(ye)體(ti)。低(di)(di)壓(ya)(ya)(ya)(ya)(ya)液(ye)(ye)(ye)體(ti)(沸點較低(di)(di))進入機(ji)(ji)(ji)組蒸發(fa)器(qi)(qi),通過循環泵把冷(leng)量帶(dai)到循環系(xi)統(tong)實現制冷(leng)。