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Posted by Zyp on March 1, 2008, 3:40 pm
amdx wrote:
> I have an ice machine that produces about 450 lbs per 24 hrs.
> In the winter!
> I live in Florida, in the summer the inlet water temperature can be
> close to 90*.
> I want to prechill the water to maybe 40*. The machine will need
> about 1 gallon every 15 minutes.
> I'd like to use a small refrigerator to chill the water.
> I have a few details to work out, such as it takes 252 ft of 5/16"
> tubing to hold 1 gallon of water. (not practical)
> The refrigerator I'm looking at says 256 btu/hr.
> My question, how many btu does it take to reduce the temperature
> of 1 gallon of water from 90* to 40* in 15 minutes.
> Thanks, Mike
You could [using copper tubing] route the inlet water into the storage bin's
bottom area where, it could pick up some of the melting ice water and become
somewhat cooler that the 90 degree inlet temperature. That might increase
production. Most manufactueruer's recommend water temperature's between 35º
F and 90º inlet water temperature. If lower temperature [as in your case]
you could [for the cost of the copper tubing] route some of it through the
ice storage bin box. Use RTV glue to seal the entrance and exit of the
tubing.
Just a suggestion.
--
Zyp
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