R22和R410A空调制冷剂的区别之处

2025-04-07 19:52:42
推荐回答(1个)
回答1:

R22制冷剂和R410A制冷剂有什么区别?
  国内对于环保型制冷剂的研发及使用不断的再加快步伐,随着HCFC淘汰进入倒计时加快,一些环保制冷剂也逐步出现在制冷市场,R410A制冷剂是一种新型环保制冷剂,不破坏臭氧层,比其他制冷剂效率更高。R410A新冷媒由两种准共沸的混合物而成,主要有氢,氟和碳元素组成(表示为hfc),具有稳定,无毒,性能优越等特点。同时由于不含氯元素,故不会与臭氧发生反应,既不会破坏臭氧层。另外,采用新冷媒的空调在性能方面也会又一定的提高。R410A环保型制冷剂是目前为止国际公认的用来替代R22最合适的的冷媒,并在欧美,日本等国家得到普及。
R22制冷剂和R410A制冷剂有什么区别?

  R410A环保型制冷剂是混合制冷剂:
  R410A,是一种混合制冷剂,它是由R32(二氟甲烷)和R125(五氟乙烷)组成的混合物,其优点在于可以根据具体的使用要求,对各种性质,如易燃性、外观无色,不浑浊,易挥发,沸点-51.6℃,凝固点-155℃;所以其各方面的化学成分及数值都基本满足各类机器的要求。
  R410A环保型制冷剂与R22制冷剂的区别:
  R22作为制冷剂拥有对金属有较好的稳定性,无腐蚀特点,但是含氯制冷剂导致地球臭氧层空洞,人类开始寻找替代R22的环保制冷剂,先后有R134a , R407C , R410A。R410A正在逐渐迈入主流。其他与R22制冷剂的区别之处;
  (1) 不破坏臭氧层。其分子式中不含氯元素,故其臭氧层破坏潜能值(ODP)为0。全球变暖潜能值(GWP)小于0.2。
  (2) 毒性极低。容许浓度和R22同样,都是1000ppm。
  (3) 化学和热稳定性高。
  (4) 水分溶解性与R22几乎相同。
  (5) 不可燃。空气中的可燃极性为0。
  (6) 不与矿物油或烷基苯油相溶。(与POE[酯润滑油]、PVE[醚润滑油]相溶)。
  (7) 是混合制冷剂,由两种制冷剂组成。

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