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New build

These are boilers with half columns, bubble, sieve or any other plates. These stills may make a particular type of spirits. Please feel free to discuss the benefits and features of these beautiful machines and their inventive builders.

New build

Postby Smaug » Wed Dec 28, 2011 8:12 pm

There seems to be enough anecdotal data to at least suggest that a thumper/bubble plate under a packed column can enhance the performance of a packed column.

The larger volume of liquid on the plate seems to protect the lowest part of the column from temps that would typically be 20-25 degrees (Fahrenheit) hotter.
That concept coupled with the "positive feedback" phenomenon that Mike Nixon talks about in his vapor reflux paper has inspired this build.

There will be two (stepped in size) thumpers atop the primary boiler, And a small bubble ball styled vessel on top of the column section. The vessel at the top will have an internal downcomer to return reflux back down through the column section as to allow the column to behave as it should. Also there will be an external downcomer exiting the top bubbler and returning liquid to the second thumper. This will insure that the ABV content within the second thumper will remain as robust as possible for a longer period of time. And as such the column will be feeding from an ABV/liquid pool that may only be a few percentage points lower than what the column is even capable of producing.
The bottom thumpers will do all the heavy lifting and the column will do all of the precision separating. I view it rather like coasting down hill,,,with the wind at your back....Perhaps not?

As always, a goodly 100% reflux period will be needed to load the system and allow the bulk of any water to be cycled down to the largest thumper.
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Re: New build

Postby Swede » Wed Dec 28, 2011 8:53 pm

Cant wait to see the build Larry...............
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Re: New build

Postby Fester » Thu Dec 29, 2011 7:11 am

Excellent, Larry!
We've been discussing a similar build in chat and hope to post a few sketches when we flesh it out a bit more.
Might I suggest something like this at the top of your column instead of a ball. It would be easier to marry it to the dephlegmator.
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The reducer shown is 4" x 2" but 4" x 3" is available if you decide to go with a 3" column for greater production speed.
A small section of pipe between the 4" ferrules could be added to allow for the installation of a sight glass, if desired.
I had a little trouble getting the Teflon plate to seal because the ferrule was not perfectly flat but I'm overcoming that by ordering silicone O-rings that can fit between the ferrule groove and the Teflon.

Aesthetically, I'd try to route the return tubes inside instead of out.

I imagine it will take some trial and error to figure out the necessary height of the packed column.
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Re: New build

Postby Smaug » Thu Dec 29, 2011 12:43 pm

Fester, my diagram is mostly intended to illustrate the operation of the apparatus.
your pieces appear to be outstanding solutions and I do look forward to further developements
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Re: New build

Postby emptyglass » Fri Dec 30, 2011 4:39 am

I can't wait to see how you go Larry.

I think I'm starting to see what you are doing.
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Re: New build

Postby Buddy » Thu Mar 02, 2017 9:56 pm

So 5+ years later this newbee is reading this and wondering if Larry or Fester ever built this?
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Re: New build

Postby Azframer » Fri Mar 03, 2017 2:39 am

They are working together on a business adventure along with a few others Still Dragon.
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Re: New build

Postby Buddy » Fri Mar 03, 2017 10:51 am

Azframer wrote:They are working together on a business adventure along with a few others Still Dragon.


Interesting, I wuz under the impression that they had 2 different kompanies. :? But judging from this thread I could see if they combined their collective ingenuity some pretty good hardware could result.
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Re: New build

Postby punkin » Fri Mar 03, 2017 12:07 pm

Not sure if Larry did it as research but we certainly never brought it to market.
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Re: New build

Postby whiskeywarrior » Thu Mar 09, 2017 12:05 am

So an inline thumper is the way to go if you ask me. It will stabilize a column quickly and feed it high etoh vapor. Mine works flawlessly. I would recommend it on every column, packed plated perf bubble or valved. It is the way to go. There are too many upsides to name it's just the way to go IMO.
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