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工業制冷機組出現故障的原因

2023-01-22

制(zhi)(zhi)冷(leng)(leng)(leng)劑組就是制(zhi)(zhi)造冷(leng)(leng)(leng)氣(qi)的機組,它一般用于冷(leng)(leng)(leng)庫,為冷(leng)(leng)(leng)庫提供了冷(leng)(leng)(leng)氣(qi),應為一般家庭不需要這么(me)大功率(lv)的冷(leng)(leng)(leng)氣(qi)設備,那(nei)么(me)制(zhi)(zhi)冷(leng)(leng)(leng)機組在什么(me)情況(kuang)下會(hui)出現(xian)故障?出現(xian)故障該如何處理?

1、壓(ya)(ya)縮(suo)機不能正常(chang)增載或卸載;對(dui)于油(you)壓(ya)(ya)控(kong)制的能量調(diao)(diao)節(jie)系統(tong),其主要原(yuan)因有(you);油(you)壓(ya)(ya)壓(ya)(ya)力過(guo)低。可通過(guo)旋緊油(you)壓(ya)(ya)調(diao)(diao)節(jie)閥來(lai)調(diao)(diao)節(jie)

 2.冷(leng)庫溫(wen)度(du)降不(bu)下來(lai):蒸(zheng)(zheng)發盤管(guan)上(shang)均結有(you)很厚的(de)霜(shuang),除霜(shuang)后(hou)情(qing)況有(you)所(suo)(suo)改善,這(zhe)時(shi)壓(ya)(ya)(ya)縮機的(de)啟動(dong)次數(shu)有(you)所(suo)(suo)減少,庫溫(wen)也(ye)有(you)所(suo)(suo)降低(di),但還不(bu)理(li)想。后(hou)來(lai),檢查到(dao)低(di)壓(ya)(ya)(ya)控制(zhi)器動(dong)作(zuo)的(de)上(shang)下限值(zhi),發現(xian)被誤調(diao)為(wei)(wei)(wei)0.11—0.15NPa(表壓(ya)(ya)(ya),下同),即壓(ya)(ya)(ya)力(li)為(wei)(wei)(wei)0.11MPa時(shi)停止壓(ya)(ya)(ya)縮機,壓(ya)(ya)(ya)力(li)為(wei)(wei)(wei)0.15 lPa時(shi)啟動(dong)壓(ya)(ya)(ya)縮機,對應的(de)蒸(zheng)(zheng)發溫(wen)度(du)范(fan)圍(wei)約為(wei)(wei)(wei)一(yi)2O℃ ~一(yi)18℃ ,顯然這(zhe)個調(diao)定(ding)太(tai)高了,且幅(fu)差值(zhi)也(ye)過小。因此,對低(di)壓(ya)(ya)(ya)控制(zhi)器上(shang)下限重(zhong)調(diao),調(diao)整后(hou)其值(zhi)為(wei)(wei)(wei):O.O5—0.12MPa,對應的(de)蒸(zheng)(zheng)發溫(wen)度(du)范(fan)圍(wei)約為(wei)(wei)(wei)一(yi)2O℃ 一(yi)一(yi)l8℃,之后(hou),重(zhong)新(xin)啟動(dong)系(xi)統,工作(zuo)恢復正(zheng)常。

    制(zhi)冷機組(zu)一(yi)(yi)般情(qing)況下不會出現(xian)問(wen)題,出現(xian)問(wen)題了(le)肯定就是(shi)需要(yao)仔(zi)細的檢(jian)查和維(wei)護了(le),平時的檢(jian)查非常重要(yao),對壓縮機也(ye)要(yao)一(yi)(yi)起檢(jian)查和保養,這樣(yang)才(cai)能(neng)保證(zheng)制(zhi)冷機組(zu)的穩定工作(zuo),冷庫才(cai)能(neng)正(zheng)常的使(shi)用。