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對工業冷水機組的回水溫度怎么進行調節

2024-08-04

  確認工(gong)(gong)業冷(leng)水(shui)機供電正(zheng)常(chang),無反(fan)相(xiang)(xiang)、缺相(xiang)(xiang)現(xian)(xian)象(xiang);冷(leng)卻塔風機、冷(leng)卻水(shui)泵、冷(leng)凍水(shui)泵均為(wei)獨立控制。開機前應確認電源正(zheng)常(chang),無反(fan)相(xiang)(xiang)、缺相(xiang)(xiang)現(xian)(xian)象(xiang)。檢查(cha)工(gong)(gong)業冷(leng)水(shui)機主機、水(shui)泵、閥門、儀表及各種配(pei)件是(shi)否能正(zheng)常(chang)打開,是(shi)否完好。檢查(cha)工(gong)(gong)業冷(leng)水(shui)機組油位(wei)是(shi)否正(zheng)常(chang)

   開(kai)機(ji)前12小時接通冷(leng)水(shui)機(ji)組電源,使(shi)油加熱(re)器順(shun)利電加熱(re);啟動冷(leng)水(shui)機(ji)前,先對(dui)冷(leng)凍水(shui)循環(huan)(huan)系統和冷(leng)卻水(shui)循環(huan)(huan)系統進行調試;檢查(cha)制冷(leng)系統壓力表讀數(shu)是否等于制冷(leng)劑在(zai)當地環(huan)(huan)境溫度下的飽(bao)和壓力值;檢查(cha)壓縮機(ji)電機(ji)絕(jue)緣電阻,絕(jue)緣電阻應在(zai)3兆歐以上(shang)。

   對(dui)工業冷(leng)(leng)(leng)(leng)(leng)水(shui)機(ji)(ji)組的(de)(de)(de)回水(shui)溫(wen)(wen)度(du)進行(xing)調(diao)節和設定后,機(ji)(ji)組就可(ke)以按照設定的(de)(de)(de)溫(wen)(wen)度(du)自動運行(xing)。一旦回凍(dong)(dong)水(shui)溫(wen)(wen)度(du)達到設定溫(wen)(wen)度(du),在(zai)擰緊(jin)時主(zhu)動停止制冷(leng)(leng)(leng)(leng)(leng)量調(diao)整(zheng),機(ji)(ji)組制冷(leng)(leng)(leng)(leng)(leng)量降低(di),直至停止。冷(leng)(leng)(leng)(leng)(leng)水(shui)機(ji)(ji)制造商推薦的(de)(de)(de)冷(leng)(leng)(leng)(leng)(leng)凍(dong)(dong)水(shui)溫(wen)(wen)度(du)范圍。分離蒸發器(qi)的(de)(de)(de)冷(leng)(leng)(leng)(leng)(leng)凍(dong)(dong)水(shui)溫(wen)(wen)度(du)允許為(wei)(wei)(wei)5℃,返回蒸發器(qi)的(de)(de)(de)冷(leng)(leng)(leng)(leng)(leng)凍(dong)(dong)水(shui)溫(wen)(wen)度(du)允許為(wei)(wei)(wei)25℃。建(jian)議(yi)冷(leng)(leng)(leng)(leng)(leng)凍(dong)(dong)水(shui)出口溫(wen)(wen)度(du)為(wei)(wei)(wei)7-12℃,溫(wen)(wen)升5℃