冷庫門廠家講解保鮮冷庫制冷系統空氣的影響

      保鮮冷(leng)(leng)庫(ku)、低溫冷(leng)(leng)庫(ku)、速凍冷(leng)(leng)庫(ku)等(deng)冷(leng)(leng)庫(ku)制(zhi)(zhi)冷(leng)(leng)系(xi)(xi)統(tong)中除制(zhi)(zhi)冷(leng)(leng)劑外不(bu)可(ke)避免(mian)地存(cun)在(zai)一些(xie)(xie)混合(he)氣體，主(zhu)要(yao)成分就是空氣，還(huan)有一些(xie)(xie)油和制(zhi)(zhi)冷(leng)(leng)劑在(zai)高溫下所分解出來(lai)的(de)(de)氣體。這些(xie)(xie)氣體在(zai)制(zhi)(zhi)冷(leng)(leng)劑的(de)(de)冷(leng)(leng)凝溫度與壓力下，是不(bu)會凝結的(de)(de)，稱為不(bu)凝性氣體。盡管(guan)數(shu)量(liang)不(bu)一定很多(duo)，但(dan)對(dui)(dui)制(zhi)(zhi)冷(leng)(leng)系(xi)(xi)統(tong)是有比較(jiao)大的(de)(de)影響的(de)(de)，需(xu)要(yao)及時對(dui)(dui)系(xi)(xi)統(tong)進行開釋空氣。

      冷(leng)(leng)(leng)庫(ku)(ku)運(yun)用(yong)時(shi)空(kong)氣(qi)進入制(zhi)(zhi)冷(leng)(leng)(leng)系(xi)統的(de)(de)原因(yin)有(you)(you)：1.制(zhi)(zhi)冷(leng)(leng)(leng)系(xi)統在投產前或修(xiu)理(li)后，沒有(you)(you)完全(quan)完全(quan)抽(chou)真空(kong)，使冷(leng)(leng)(leng)庫(ku)(ku)設(she)備好后部分(fen)空(kong)氣(qi)一直(zhi)留在系(xi)統內(nei)(nei)。2.當冷(leng)(leng)(leng)庫(ku)(ku)設(she)備好運(yun)用(yong)在日常修(xiu)理(li)時(shi)，部分(fen)的(de)(de)一些(xie)管(guan)道(dao)和設(she)備沒有(you)(you)抽(chou)真空(kong)，就直(zhi)接投入作業。3.在添加制(zhi)(zhi)冷(leng)(leng)(leng)劑和冷(leng)(leng)(leng)凍油的(de)(de)時(shi)候，因(yin)為一些(xie)操作不正(zheng)規(gui)而帶(dai)進一些(xie)空(kong)氣(qi)，例(li)如(ru)沒有(you)(you)完全(quan)的(de)(de)掃除(chu)充氟管(guan)內(nei)(nei)的(de)(de)空(kong)氣(qi)等。4.當冷(leng)(leng)(leng)庫(ku)(ku)運(yun)作時(shi)在低壓(ya)(ya)系(xi)統或曲軸箱內(nei)(nei)壓(ya)(ya)力(li)低于大氣(qi)壓(ya)(ya)時(shi)，空(kong)氣(qi)從閥門、軸封等不嚴密處進入系(xi)統。5.在冷(leng)(leng)(leng)庫(ku)(ku)運(yun)作時(shi)壓(ya)(ya)縮機(ji)所排氣(qi)溫度過太高，而部分(fen)制(zhi)(zhi)冷(leng)(leng)(leng)劑和冷(leng)(leng)(leng)凍機(ji)油的(de)(de)熱穩定性差，也是會(hui)分(fen)解出不凝性氣(qi)體。

      冷(leng)(leng)庫(ku)運(yun)作時空(kong)氣(qi)(qi)(qi)(qi)對(dui)制(zhi)(zhi)冷(leng)(leng)系(xi)(xi)(xi)(xi)統(tong)(tong)的(de)影響：制(zhi)(zhi)冷(leng)(leng)系(xi)(xi)(xi)(xi)統(tong)(tong)中(zhong)假(jia)如存在(zai)(zai)少數空(kong)氣(qi)(qi)(qi)(qi)，將會積聚在(zai)(zai)冷(leng)(leng)凝器和高(gao)(gao)壓儲(chu)液器內(nei)構成不性氣(qi)(qi)(qi)(qi)體，對(dui)冷(leng)(leng)凝器的(de)傳(chuan)熱發生(sheng)(sheng)熱阻，下(xia)降傳(chuan)熱功率，使冷(leng)(leng)凝壓力和冷(leng)(leng)凝溫度升高(gao)(gao)，終究導致制(zhi)(zhi)冷(leng)(leng)壓縮機制(zhi)(zhi)冷(leng)(leng)量下(xia)降和耗電添(tian)加。一(yi)同，因(yin)為空(kong)氣(qi)(qi)(qi)(qi)進(jin)入系(xi)(xi)(xi)(xi)統(tong)(tong)，使系(xi)(xi)(xi)(xi)統(tong)(tong)含水(shui)(shui)量添(tian)加，而腐蝕冷(leng)(leng)庫(ku)系(xi)(xi)(xi)(xi)統(tong)(tong)管道和設備。當冷(leng)(leng)庫(ku)是(shi)用氟里(li)昂制(zhi)(zhi)冷(leng)(leng)系(xi)(xi)(xi)(xi)統(tong)(tong)中(zhong)進(jin)入空(kong)氣(qi)(qi)(qi)(qi)，危害更(geng)大，因(yin)空(kong)氣(qi)(qi)(qi)(qi)中(zhong)水(shui)(shui)蒸(zheng)氣(qi)(qi)(qi)(qi)的(de)存在(zai)(zai)可(ke)以導冰堵(du)，水(shui)(shui)分(fen)還可(ke)以與(yu)制(zhi)(zhi)冷(leng)(leng)劑發生(sheng)(sheng)化(hua)學變化(hua)發生(sheng)(sheng)不良影響，嚴重時可(ke)焚(fen)毀全封閉式壓縮機。別的(de)，假(jia)如冷(leng)(leng)庫(ku)設備締(di)造(zao)好后系(xi)(xi)(xi)(xi)統(tong)(tong)有(you)空(kong)氣(qi)(qi)(qi)(qi)存在(zai)(zai)，在(zai)(zai)排氣(qi)(qi)(qi)(qi)溫度較高(gao)(gao)的(de)情況下(xia)，遇到(dao)油類(lei)蒸(zheng)氣(qi)(qi)(qi)(qi)，容易發生(sheng)(sheng)意(yi)外事故。因(yin)而，不論是(shi)哪一(yi)種(zhong)制(zhi)(zhi)冷(leng)(leng)系(xi)(xi)(xi)(xi)統(tong)(tong)，掃除系(xi)(xi)(xi)(xi)統(tong)(tong)中(zhong)的(de)空(kong)氣(qi)(qi)(qi)(qi)都(dou)十分(fen)必要的(de)。

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