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创建于01.12
降低换热器的换热效率
降低换热器的热交换效率
润滑油的导热系数远低于制冷剂（常见制冷润滑油的导热系数仅为R22、R410A等制冷剂的1/10至1/20）。当润滑油随制冷剂循环并附着在蒸发器和冷凝器的内壁时，会在换热表面形成油膜。该油膜起到隔热层的作用，增加了换热的热阻，显著降低了蒸发器和冷凝器的传热效率。
对于蒸发器而言，换热效率下降会导致制冷剂蒸发不充分，蒸发温度降低，甚至出现液态制冷剂进入压缩机（液击）的现象，严重危及压缩机的安全运行。对于冷凝器而言，散热能力下降会导致冷凝压力和温度升高，增加压缩机的功耗，降低系统的整体制冷量和能效比（EER）。
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https://niubortec-lubricant.com
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Foshan City Chancheng District Xiyue industrial zone 4 row 2,China
Foshan City Chancheng District Xiyue industrial zone 4 row 2,China
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