Corny keg boiler

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heynonny
Swill Maker
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Joined: Fri Jun 06, 2008 7:17 am
Location: SoCal

Corny keg boiler

Post by heynonny »

I bought a 10 gallon corny keg at the recyclers a while back, (five bucks, I couldnt pass it up), and decided to make a boiler out of it. I have a 7.5 G. keg and a 15 G. keg (witch I have never used, the 7.5 has served me well).

Anyway, I had purchased a 2" tri-clamp fitting ($7.00 at St. Pats) so as to have the distillation device of choice fit all boilers.

First order of business was to prep the cornie 'lid'. This turned out a LOT easier than I expected. A NEW hacksaw blade works wonders.

Ive discovered that all of these cornie 'lids' are not the same, the one I modified had the safety blowoff valve located inside the 2" diameter hole for the tri fitting, so no patching was needed there.
001.jpg
Cut off the safety housing, drill a hole large enough to fit the hacksaw blade through, and started cutting out 'wedges' of metal down to the layout line, then out came the die grinder and then a 'half round' file to fine tune the hole.

Made a simple jig to keep things aligned for welding a few 'tacks' to hold the lid and fitting together, and then I welded them on the inside for a cleaner weld on the inside.
002.jpg
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Then, another jig to hold the lid assy. in the right position on the keg, several tacks and then weld the lid to the keg.
004.jpg
There are 2 fittings on the top (on all kegs Ive seen, anyway, I assume they all have these 2 fittings), of the keg, and I discovered they are metal to metal sealed, so, I will remove the guts (plastic / rubber parts, and springs) and weld or silver solder the top shut, rather than welding the threaded fitting on the keg shut.
005.jpg
It was actually a lot easier to do than I thought, Ive been kickin' that keg for months and finally did the deed this week. Anyways, I thought someone might be interested. -hey-
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