dry ice

Swamp Coolers, Cooler Management, Dry Ice, Misting Systems, and just plain how to beat the heat.
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Re: dry ice

Post by Canoe » Sat Aug 15, 2015 6:28 pm

My ex.
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Re: dry ice

Post by lucky420 » Sat Aug 15, 2015 6:40 pm

Ha! :lol:
Oh my god, it's HUGE!

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Re: dry ice

Post by EGAZ » Mon Apr 18, 2016 8:50 pm

Had to post. 12 yrs and thread still goin!! :coffee: Learned what I needed.

Thanks people! :mrgreen:
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Re: dry ice

Post by Johnny Utah » Tue Jul 31, 2018 2:00 pm

This place in Reno sells dry ice.
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Re: dry ice

Post by BaudEByter » Tue Aug 14, 2018 11:38 am

This may sound weird but I am flying into Sacramento and buying coolers out there. I was hoping to use frozen water bottles in one cooler instead of ice and the other would have dry ice for frozen stuff. The problem is that I have no way to freeze my bottles. I am flying on the night of the 23rd and heading in on Saturday night. Earlier is this thread there was mention of a gas supplier freezing things for you?

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Re: dry ice

Post by Token » Tue Aug 14, 2018 3:47 pm

Sublimation enthalpy of Dry Ice is 571 kJ/kg.

Fusion enthalpy of water (i e freezing) is 333 kJ/kg.

Water from room temperature to near freezing ~ 100 kJ/kg.

If you place equal amounts of dry ice and water by weight into the same cooler, your water will become well frozen as the dry ice sublimates.

Leave the little drain spigot open and wad in some tissue into it to let the cooler off-gas and not pop the lid at the hinge.

So, the short answer is buy more dry ice to freeze the water.

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Re: dry ice

Post by Various » Thu Sep 12, 2019 7:22 pm

My dry ice sublimated way faster than normal this year. 200 lbs was gone in 4-5 days. Most years less dry ice lasts longer. Even 2017 didn't kill it this fast. I'm a little curious as to what the difference was.

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Re: dry ice

Post by Ratty » Thu Sep 12, 2019 7:23 pm

Exceptionally warm nights?
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Re: dry ice

Post by goodleaf » Fri Sep 13, 2019 8:50 am

Our dry ice went quicker this year too and agree with Ratty, our suspicion was the warmer nights (it took a lot longer for the warm air to cool down in the evenings this year compared to last year).

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Re: dry ice

Post by Popeye » Fri Sep 13, 2019 11:28 am

It seemed a lot more humid this year, if it was then air would conduct more heat from the cooler/dry ice.
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