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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)業(ye)(ye)冷(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)供電正(zheng)(zheng)常(chang)(chang)(chang),無(wu)反相(xiang)、缺相(xiang)現象;冷(leng)(leng)(leng)卻塔風機(ji)(ji)(ji)、冷(leng)(leng)(leng)卻水(shui)泵(beng)、冷(leng)(leng)(leng)凍水(shui)泵(beng)均(jun)為獨立控制(zhi)。開機(ji)(ji)(ji)前應(ying)確認電源(yuan)正(zheng)(zheng)常(chang)(chang)(chang),無(wu)反相(xiang)、缺相(xiang)現象。檢(jian)查(cha)工(gong)業(ye)(ye)冷(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)主機(ji)(ji)(ji)、水(shui)泵(beng)、閥門(men)、儀(yi)表及各種配件是否能正(zheng)(zheng)常(chang)(chang)(chang)打開,是否完好(hao)。檢(jian)查(cha)工(gong)業(ye)(ye)冷(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)組(zu)油位是否正(zheng)(zheng)常(chang)(chang)(chang)

   開機(ji)(ji)前(qian)(qian)12小時(shi)接通(tong)冷(leng)水機(ji)(ji)組電(dian)(dian)源(yuan),使油加(jia)(jia)熱器順利電(dian)(dian)加(jia)(jia)熱;啟動冷(leng)水機(ji)(ji)前(qian)(qian),先對冷(leng)凍水循(xun)環系統(tong)和冷(leng)卻(que)水循(xun)環系統(tong)進(jin)行調試;檢(jian)查(cha)制(zhi)冷(leng)系統(tong)壓力(li)表(biao)讀數(shu)是否(fou)等于制(zhi)冷(leng)劑在當地環境溫度下的(de)飽和壓力(li)值;檢(jian)查(cha)壓縮機(ji)(ji)電(dian)(dian)機(ji)(ji)絕緣電(dian)(dian)阻,絕緣電(dian)(dian)阻應在3兆歐以上。

   對工業冷(leng)(leng)(leng)水(shui)(shui)機組(zu)的(de)(de)回水(shui)(shui)溫(wen)度(du)(du)進行調(diao)節和(he)設(she)定后,機組(zu)就可(ke)以按(an)照設(she)定的(de)(de)溫(wen)度(du)(du)自(zi)動(dong)運(yun)行。一(yi)旦(dan)回凍(dong)水(shui)(shui)溫(wen)度(du)(du)達到設(she)定溫(wen)度(du)(du),在(zai)擰(ning)緊時主動(dong)停(ting)(ting)止制(zhi)冷(leng)(leng)(leng)量調(diao)整,機組(zu)制(zhi)冷(leng)(leng)(leng)量降低,直(zhi)至(zhi)停(ting)(ting)止。冷(leng)(leng)(leng)水(shui)(shui)機制(zhi)造商推薦的(de)(de)冷(leng)(leng)(leng)凍(dong)水(shui)(shui)溫(wen)度(du)(du)范圍。分(fen)離蒸(zheng)發(fa)器的(de)(de)冷(leng)(leng)(leng)凍(dong)水(shui)(shui)溫(wen)度(du)(du)允許(xu)為(wei)5℃,返回蒸(zheng)發(fa)器的(de)(de)冷(leng)(leng)(leng)凍(dong)水(shui)(shui)溫(wen)度(du)(du)允許(xu)為(wei)25℃。建議冷(leng)(leng)(leng)凍(dong)水(shui)(shui)出口溫(wen)度(du)(du)為(wei)7-12℃,溫(wen)升(sheng)5℃