NH3 against R22

Dear friends,

I heard cooling capacity of compressor with same displacement in R22 is similar to NH3 (R717) but when I compare heat latent of NH3 and R22 they are very different, NH3 is about 1300 Kj/Kg and for R22 is about 200 Kj/Kg.
Would it be possible someone help me to compare these two refrigerants from cooling capacity aspect of view ?

Thanks in advance.

Quote:

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Originally Posted by skyboy6142

Dear friends,

I heard cooling capacity of compressor with same displacement in R22 is similar to NH3 (R717) but when I compare heat latent of NH3 and R22 they are very different, NH3 is about 1300 Kj/Kg and for R22 is about 200 Kj/Kg.
Would it be possible someone help me to compare these two refrigerants from cooling capacity aspect of view ?

Thanks in advance.

---

Skyboy,
If it was a Mycom 200VLD compressor - 10 deg C sst 35 deg C sct

Nh3 821kw 203kw absorbed power
R22 792 kw 209 kw
R22 much denser refrigerant

So same in this case

https://agilityrefrigeration.weebly....monia-vs-*****

Hi skyboy6142,

Quote:

---

Originally Posted by skyboy6142

Dear friends,

I heard cooling capacity of compressor with same displacement in R22 is similar to NH3 (R717) but when I compare heat latent of NH3 and R22 they are very different, NH3 is about 1300 Kj/Kg and for R22 is about 200 Kj/Kg.
Would it be possible someone help me to compare these two refrigerants from cooling capacity aspect of view ?

Thanks in advance.

---

something from your neighborhood ...
https://agilityrefrigeration.weebly....monia-vs-*****


Best regards, Josip

Hi
In low temperature R22 has more efincy than NH3

Thanks from all of you

Skyboy,

With an open piston compressor no cooling at all. At same regime -15 ºC / +35 ºC, both @ 1,000 rpm
R22 - 335,2 kW @ 117,7 kW absorb power.
R717 (NH3) - 335,5 kW @ 106,3 kW absorb power.

And then discharge temperature on R717 will be much higher.

Just remember GWP of R717 = 0, R22 = 1,810...

I hope with this you don't even keep thinking on using R22.

Take care...

D