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Offline Backwash  
#1 Posted : Monday, April 07, 2014 1:43:05 PM(UTC)
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How much water is needed to cool a 8 gallon run? I want to run a recirculation pump and not sure how large of a container to hold the cooling water and if ice is necessary if the quantity is large enough. Also, any advantage to runnng a secondary worm after the condensor to help lower product temp? Thanks, B.
Offline RCRed  
#2 Posted : Tuesday, April 08, 2014 12:17:36 AM(UTC)
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My personal experience is a 55 gal Trash can 3/4 full with 2.5 gal Jugs of Ice do just fine. Some folks don't use Ice...

After the condenser (if using a water jacketed condenser) there's no real reason to drop product temp - It is what it is there
Offline Backwash  
#3 Posted : Tuesday, April 08, 2014 3:07:00 AM(UTC)
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RCRed, Thanks, How much ice is required for a typical run? As a new guy, I worry about uncondensed vapor out the condensor if water gets too warm. B.
Offline dieselduo  
#4 Posted : Tuesday, April 08, 2014 3:16:20 AM(UTC)
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do you have a liebig condenser or worm ?
Offline RCRed  
#5 Posted : Tuesday, April 08, 2014 3:30:45 AM(UTC)
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I use my leftover 2.5 gal Distilled water jugs and they last about 90 mins before they thaw. But you can use 1 gallon milk jugs, or 2 liter pop bottles, any thing you can freeze water in...

As my understanding goes, as long as the water isn't as hot as the vapor, it's gonna condense it. Normally, the only way to get a jet of vapor out of the condense is when yer pump fails and there isn't ANY flow or, the condenser is DRY, both of which are no bueno. That happens, ya shut down the heat, pop the bung, ventilate the hell outa the area, and regroup. I've been experimenting with using really cold water but I've been told that's wasting time and energy, all I need is to keep the water cool...

Diesel had a good question there - Liebig or Worm.. ?
Offline Backwash  
#6 Posted : Tuesday, April 08, 2014 3:54:59 AM(UTC)
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Thanks Guys, I built my own condensor, 36 inches long, 1/2 inch core with a 3/4 inch jacket. inlet and outlet are 1/2 inch, all copper.
Offline dieselduo  
#7 Posted : Tuesday, April 08, 2014 4:00:44 AM(UTC)
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all you would probably need is just a cooler. Freeze a few gals of water,put one in the water and when that one thaws put another in. Should last the length of your run
Offline RCRed  
#8 Posted : Tuesday, April 08, 2014 4:11:36 AM(UTC)
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Originally Posted by: dieselduo Go to Quoted Post
all you would probably need is just a cooler. Freeze a few gals of water,put one in the water and when that one thaws put another in. Should last the length of your run
Aye, Agreed... BigGrin
Offline Backwash  
#9 Posted : Thursday, April 10, 2014 10:00:55 AM(UTC)
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Thanks for the help. I want to be sure I have enough cooling capacity with a fair margin of error. Would the storage bin be like a Tupperware tote or something larger? B.
Offline Jarhead  
#10 Posted : Thursday, April 10, 2014 1:15:02 PM(UTC)
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Another good option is a radiator and box fan setup. Works well if you are gonna be doing several stripping runs in a row and don't have enough freezer space to store that many jugs. Just strap the fan to the radiator and run the hot water through it. Discharge it into a reservoir and pump from it.
Offline Tracyman0111  
#11 Posted : Monday, April 28, 2014 5:11:25 AM(UTC)
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I run an 8 gallon PSII, and my cooling reservoir is your everyday runofthemill large wheeled cooler. I grab 2 large bags of ice from the carryout (wish I could afford an ice machine lol), and knowing that my ice will melt throughout, I dump 1 bag and ONLY enough water to completely make the circuit through the still. That way when the ice melts halfway through, there will be enough room in cooler for the 2nd bag without having to drain water out.
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