製冷壓縮機冷凍機油的粘度選擇原則

  每一種冷凍潤滑油的粘度都隨溫度升高而有不同程度的下降，在製冷壓縮機中要選用粘度隨溫度變化小的潤滑油。

  weilebaozhengzhilengyasuojigongzuodekekaoxing
，naijiuxingheshiyongdejingjixing，zairunhuaxitongzhongzhengquexuanyongrunhuayoufeichangzhongyao。erzhandushirunhuayoudezhuyaoxingnengcanshu，tajiangjuedinghuadongzhouchengzhongyoumodechengzainengli

，mocagonghaohemifengmiandemifengnengli。gaozhanduderunhuayouchengzainenglida，yiyubaochiyetirunhua，danshigaowenbuweijitanqingxiangda
，qiliudongzuliyeda
，zengjialeyasuojidemocagonghaoheqidongzuli。dizhanduderunhuayouliudongzulixiao，mocareliangshao，danbuyiyuxingchengrunhuayoumo
，youfengxiaoguocha。

  製冷劑對油品粘度的影響

  yixiezhilengjiherunhuayouxiangrongxinghenhao，zaizhexiexitongzhong
，runhuayoudezhandusuizhewendudebianhuayouzhebuyiyangdebianhua。dangquzhouxiangzhongdeyalibubian
，zaidiwenshi，runhuayouzhongdezhilengjihanliangsuiwendushangshengerxiajiang，runhuayouzhandudebianhuajiubujinjinshirunhuayoubenshendezhanwenbianhua，zhilengjidehanliangbianhuaduiqizhanduyouhendadeyingxiang;在高溫時
，潤滑油中溶解的製冷劑很少，其粘度變化就是接近潤滑油本身的粘度變化。

  現代高速壓縮機的曲軸箱溫度較高(≥55℃)，所suo以yi對dui在zai長chang時shi間jian運yun行xing中zhong的de機ji器qi
，可ke以yi忽hu略lve因yin潤run滑hua油you中zhong溶rong有you製zhi冷leng劑ji而er引yin起qi的de下xia降jiang。但dan當dang壓ya縮suo機ji長chang期qi停ting機ji
，曲qu軸zhou箱xiang壓ya力li上shang升sheng而er溫wen度du下xia降jiang到dao環huan境jing溫wen度du時shi
，有you些xie製zhi冷leng劑ji在zai油you中zhong的de滲shen入ru量liang會hui顯xian著zhu增zeng加jia

，這zhe就jiu會hui導dao致zhi潤run滑hua油you的de粘zhan度du大da大da降jiang低di
，給gei以yi後hou重zhong新xin啟qi動dong帶dai來lai不bu利li得de影ying響xiang。一yi些xie溶rong解jie性xing好hao的de製zhi冷leng劑ji，在zai潤run滑hua油you中zhong溶rong解jie20%-30%時，就會使潤滑油的粘度降低一半
，所以，對這類製冷劑的壓縮機可選用粘度較高的潤滑油。

  製冷壓縮機用冷凍機油的粘度選擇

  如果您對冷凍油的選擇還有疑問，歡迎向我們谘詢，全國統一免費熱線：4000-020-410。