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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(que)認工(gong)業(ye)冷水(shui)(shui)(shui)機(ji)供電正常(chang),無(wu)(wu)反(fan)相(xiang)、缺(que)相(xiang)現(xian)象;冷卻塔風(feng)機(ji)、冷卻水(shui)(shui)(shui)泵、冷凍水(shui)(shui)(shui)泵均為(wei)獨立控制。開機(ji)前應(ying)確(que)認電源正常(chang),無(wu)(wu)反(fan)相(xiang)、缺(que)相(xiang)現(xian)象。檢查工(gong)業(ye)冷水(shui)(shui)(shui)機(ji)主(zhu)機(ji)、水(shui)(shui)(shui)泵、閥門(men)、儀表及(ji)各種配件是否(fou)能(neng)正常(chang)打(da)開,是否(fou)完好。檢查工(gong)業(ye)冷水(shui)(shui)(shui)機(ji)組油位(wei)是否(fou)正常(chang)

   開(kai)機前(qian)12小(xiao)時(shi)接通(tong)冷(leng)(leng)水(shui)機組電(dian)源,使油加(jia)熱器順利電(dian)加(jia)熱;啟動冷(leng)(leng)水(shui)機前(qian),先(xian)對冷(leng)(leng)凍水(shui)循環系(xi)統(tong)和冷(leng)(leng)卻水(shui)循環系(xi)統(tong)進行調試(shi);檢查制(zhi)冷(leng)(leng)系(xi)統(tong)壓力表讀數是否等于制(zhi)冷(leng)(leng)劑在當地環境溫(wen)度(du)下的飽(bao)和壓力值;檢查壓縮機電(dian)機絕(jue)緣(yuan)電(dian)阻,絕(jue)緣(yuan)電(dian)阻應在3兆歐以上。

   對(dui)工業冷(leng)水(shui)機組的(de)回(hui)水(shui)溫(wen)度(du)進行(xing)調(diao)節和設定后,機組就(jiu)可以(yi)按照設定的(de)溫(wen)度(du)自動運行(xing)。一(yi)旦回(hui)凍水(shui)溫(wen)度(du)達到設定溫(wen)度(du),在擰緊時(shi)主(zhu)動停止制冷(leng)量調(diao)整,機組制冷(leng)量降(jiang)低,直至停止。冷(leng)水(shui)機制造商推薦的(de)冷(leng)凍水(shui)溫(wen)度(du)范圍。分離蒸發(fa)器的(de)冷(leng)凍水(shui)溫(wen)度(du)允(yun)許為5℃,返回(hui)蒸發(fa)器的(de)冷(leng)凍水(shui)溫(wen)度(du)允(yun)許為25℃。建議冷(leng)凍水(shui)出口溫(wen)度(du)為7-12℃,溫(wen)升5℃