Needing refrigeration advice

[terrazza]

Looking to build a refrigeration system to cool 35 gallon tank of glycol. Tank is 28" diameter and roughly 12" high, 304 stainless, insulated rock wool, with slanted bottom. So, I want to build something really nice, and I am wondering about salvaging an old refrigerator or freezer or if one could just buy refrigerator parts to build such a cooler. I'll be running a coil throgh the side wall using bulkhead fittings, and I can wire up a pid to run the refrigeration, it's just I am HVAC stupid and am looking for some top notch help.
Thanks

 

[Optimal]

Looking to build a refrigeration system to cool 35 gallon tank of glycol. Tank is 28" diameter and roughly 12" high, 304 stainless, insulated rock wool, with slanted bottom. So, I want to build something really nice, and I am wondering about salvaging an old refrigerator or freezer or if one could just buy refrigerator parts to build such a cooler. I'll be running a coil throgh the side wall using bulkhead fittings, and I can wire up a pid to run the refrigeration, it's just I am HVAC stupid and am looking for some top notch help.
Thanks

Damn that's a lot of glycol!

Ok, so you want to rip apart a fridge so you can chill a pot of glycol? Why not just put the glycol/pot in the fridge and run lines out?

 

[terrazza]

Optimal, "Ok, so you want to rip apart a fridge so you can chill a pot of glycol? Why not just put the glycol/pot in the fridge and run lines out?"

well the tank is a combi-tank. Above the glycol tank is actually a hot liquor tank, and above that is a gi-normous mash tun.

 

[Optimal]

Makes a little more sense now. I saw a video on youtube of a guy who used a 6k BTU air conditioner. its coils routed into a cooler, with a temp control. He was pumping the glycol like ~60' with only a 4 degree drop. Was ugly as sin but that can be worked on. I'll look for the link for you.

 

[terrazza]

Any overclockers out there??? I found this build here.http://www.xtremesystems.org/forums/showthread.php?t=90982


This is more along the lines of what I'm interested in doing. Anyone savvy enough to know where to come up with compatible refrigerant components to do this?

 

[terrazza]

Basic Refrigeration Understanding

Here are some handy dandy thermal conversions pertaining to refrigeration and heating...
1 horsepower = 745.699872 watts (power, energy/time)

1 watt = 3.41214163 BTUs per hour (heat transfer)

1 ton of ice = 12,000 BTUs per hour (heat transfer)

1 ton of ice = 3517 watts (heat transfer)

And it appears that brazing copper to stainless will be necessary. I wonder what skills that takes.