new pot still head

Pot still design and discussion

new pot still head

Postby bradsgonetrekkin » Sun Jul 17, 2011 4:49 pm

Heres my new pot head I'm putting together from bits and pieces i've collected.

Basically, 2 1/2 inch copper riser, 90 degree bend, reduced to 2 inch (50mm), reduced to 1 1/4 inch (32mm), 45 degree bend, then reduced to 3/4 inch and finished with a 3/4 ss ferrule.

I've still got to cut a bit off the 2inch section before it goes into the 1 1/4 inch reducer, clean up the old section of piping (including removing the old solder used for the 90 degree join as I don't know what solder was used) and put it together.

The leibig and head are designed to be interchangable with my planned reflux column (see post in reflux section for more info) and will mount onto the keg boiler with a 50mm ss ferrule and triclamp connection.

I'll keep you posted on how it goes.
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Last edited by bradsgonetrekkin on Thu Jan 12, 2012 7:09 am, edited 1 time in total.
bradsgonetrekkin
 
Posts: 184
Joined: Wed Apr 13, 2011 7:44 pm
Location: newcastle nsw
equipment: 18 gallon (80litre) ss keg boiler with 2400w and 1200w elements
65-50-35-19mm copper pot head/ stripper
2m high 65-50mm copper vapour management column with cross flow condensor head
630mm long 3/4 over 1/2 inch leibig and 32mm outer, 1/2 inch inner 'double barrel' interchangable condensors

Re: new pot still head

Postby R-sole » Sun Jul 17, 2011 4:52 pm

Looks the business mate. Those joints are brazed, they'll be safe (silver solder) and i don't think you'll get enough heat in to dismantle em anyway. 8-)
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Re: new pot still head

Postby bradsgonetrekkin » Sun Jul 17, 2011 5:15 pm

thanks for the tip 5Star, that will save a bit of mucking around. 8-)
bradsgonetrekkin
 
Posts: 184
Joined: Wed Apr 13, 2011 7:44 pm
Location: newcastle nsw
equipment: 18 gallon (80litre) ss keg boiler with 2400w and 1200w elements
65-50-35-19mm copper pot head/ stripper
2m high 65-50mm copper vapour management column with cross flow condensor head
630mm long 3/4 over 1/2 inch leibig and 32mm outer, 1/2 inch inner 'double barrel' interchangable condensors

Re: new pot still head

Postby MacStill » Sun Jul 17, 2011 5:59 pm

That'll make a nice little pot still for sure, you'll be happy stripping wash to run through your VM with the setup your making.

Good stuff :mrgreen:
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Re: new pot still head

Postby bradsgonetrekkin » Sun Jul 17, 2011 6:11 pm

Yeah I need to get my finger out and get it done.

I just mixed up the last few litres of stored neutral to make a massive batch of coffee infusion, so I need to build up my stocks again soon.

Luckily I've still got a good stash of of good old uncle jesses corn whiskey on oak to get me through 8-)
bradsgonetrekkin
 
Posts: 184
Joined: Wed Apr 13, 2011 7:44 pm
Location: newcastle nsw
equipment: 18 gallon (80litre) ss keg boiler with 2400w and 1200w elements
65-50-35-19mm copper pot head/ stripper
2m high 65-50mm copper vapour management column with cross flow condensor head
630mm long 3/4 over 1/2 inch leibig and 32mm outer, 1/2 inch inner 'double barrel' interchangable condensors

Re: new pot still head

Postby MacStill » Sun Jul 17, 2011 6:16 pm

I'd get that pot built first before your VM, and you can start stripping wash's until the VM is built.

You'll be looking for a bigger fermenter soon enough :lol:
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Re: new pot still head

Postby Sam. » Tue Jul 19, 2011 6:40 pm

I am thinking of making a pot still head down the track as I only have a reflux, but what I don't see in that picture is any sort of way of condensing it with the help of water.

Does it just condense on it's own and come out hot?
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Re: new pot still head

Postby MacStill » Tue Jul 19, 2011 6:46 pm

sam_and_liv wrote:I am thinking of making a pot still head down the track as I only have a reflux, but what I don't see in that picture is any sort of way of condensing it with the help of water.

Does it just condense on it's own and come out hot?


Just pull the marbles out of your current dubble bunga and you got a fuckin awesome pot still ;)
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Re: new pot still head

Postby Sam. » Tue Jul 19, 2011 7:08 pm

Sweet! That saves some time and money!
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Re: new pot still head

Postby MacStill » Tue Jul 19, 2011 7:19 pm

sam_and_liv wrote:Sweet! That saves some time and money!


My consultant fees are cheap, I'll send you the bill ;)

:lol: :lol: :lol:
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Re: new pot still head

Postby bradsgonetrekkin » Sat Jul 23, 2011 7:12 am

sam_and_liv wrote:I am thinking of making a pot still head down the track as I only have a reflux, but what I don't see in that picture is any sort of way of condensing it with the help of water.

Does it just condense on it's own and come out hot?


Most simple pot stills just need a product condensor, not a reflux condensor thats in a typical reflux column. Theres heaps of different types, the old moonshiners just used a copper coiled "worm" in a barrell of water...

My plan is to have a 3/4 ss triclamp ferrule connection for whats known as a leibig condensor attach to liquify the vapour. At this stage it'll probably be around 600mm long with 3/4 inch outer pipe and 1/2 inch inner pipe. Cooling water passess through the outside water jacket, alcohol through the internal pipe. I'll be able to swap the condensor between the pot and reflux still heads as well.

What Mcstill said is right too, most reflux stills can be used for pot stilling by removing the reflux medium from the column.

I just saw the pic of your double barrelled column too - What a beast!!!!
bradsgonetrekkin
 
Posts: 184
Joined: Wed Apr 13, 2011 7:44 pm
Location: newcastle nsw
equipment: 18 gallon (80litre) ss keg boiler with 2400w and 1200w elements
65-50-35-19mm copper pot head/ stripper
2m high 65-50mm copper vapour management column with cross flow condensor head
630mm long 3/4 over 1/2 inch leibig and 32mm outer, 1/2 inch inner 'double barrel' interchangable condensors

Re: new pot still head

Postby bradsgonetrekkin » Wed Nov 16, 2011 7:23 pm

Got the pot head done yesterday. Shes a bit ugly but I think she'll perform for me. :twisted:
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Last edited by bradsgonetrekkin on Thu Jan 12, 2012 7:13 am, edited 1 time in total.
bradsgonetrekkin
 
Posts: 184
Joined: Wed Apr 13, 2011 7:44 pm
Location: newcastle nsw
equipment: 18 gallon (80litre) ss keg boiler with 2400w and 1200w elements
65-50-35-19mm copper pot head/ stripper
2m high 65-50mm copper vapour management column with cross flow condensor head
630mm long 3/4 over 1/2 inch leibig and 32mm outer, 1/2 inch inner 'double barrel' interchangable condensors

Re: new pot still head

Postby Kimbo » Wed Nov 16, 2011 7:27 pm

Nice one mate, should look shmick when its all cleaned up ;)
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Re: new pot still head

Postby bradsgonetrekkin » Thu Nov 17, 2011 10:47 pm

Thanks Kimbo. I gave her a nice bath of citric acid and water and after soaking overnight most of the crap came off pretty easy. Will let you know how she goes.
bradsgonetrekkin
 
Posts: 184
Joined: Wed Apr 13, 2011 7:44 pm
Location: newcastle nsw
equipment: 18 gallon (80litre) ss keg boiler with 2400w and 1200w elements
65-50-35-19mm copper pot head/ stripper
2m high 65-50mm copper vapour management column with cross flow condensor head
630mm long 3/4 over 1/2 inch leibig and 32mm outer, 1/2 inch inner 'double barrel' interchangable condensors

Re: new pot still head

Postby SBB » Fri Nov 18, 2011 7:20 am

Nice job Brad.....should be no end of things you can do with the two stills you now have.
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equipment: (The Pelican) a 2 inch pot / stripper on 25L electric boiler interchangable with T500 reflux still...... 2 1/2 inch pot still on 50L keg (gas burner).....
3 inch Boka (half share with Draino),...... 4 inch 4 plate perforated plate Bubbler

Re: new pot still head

Postby Tracker » Mon Nov 21, 2011 9:05 pm

Quote: Got the pot head done yesterday. Shes a bit ugly but I think she'll perform for me.

There is no difference between ugly and practical.
The difference lies between ugly and beautiful and all that needs is a bit of polish to make the change.
The most important thing is "does it produce"


Cheers.
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Re: new pot still head

Postby bradsgonetrekkin » Tue Nov 29, 2011 1:22 pm

Had a day off today so I gave the pot still its first alcohol run. All went pretty well.

Using around 8.4 litres of heads/tails from old runs and around 23litres of water in the still it took around 50mins heat up time, then after foreshots I collected the alcohol at around 3.75 litres per hour. The boiler and leibig condensor did their jobs, and used my parrot for the first time too. The distillate temp at the parrot was around the 40 degree mark so the 2400 watt element and 630mm leibig seem to be about right.

From turn on to turn off around 3 hrs and 20 mins. I love it when a plan comes together.... 8-)

Looking forward to getting some neutral stripped so I can give the vm column a whirl soon...
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Last edited by bradsgonetrekkin on Thu Jan 12, 2012 7:16 am, edited 1 time in total.
bradsgonetrekkin
 
Posts: 184
Joined: Wed Apr 13, 2011 7:44 pm
Location: newcastle nsw
equipment: 18 gallon (80litre) ss keg boiler with 2400w and 1200w elements
65-50-35-19mm copper pot head/ stripper
2m high 65-50mm copper vapour management column with cross flow condensor head
630mm long 3/4 over 1/2 inch leibig and 32mm outer, 1/2 inch inner 'double barrel' interchangable condensors

Re: new pot still head

Postby R-sole » Tue Nov 29, 2011 3:08 pm

Do you have a little copper or stainless mesh stretched thin and shoved up the liebig?

This will make a large difference to the performance of your condensor.
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Joined: Mon Apr 18, 2011 4:15 am
Location: Northern NSW Australia
equipment: Keg based pot stiller. 3" vm for occasionally making product for macerations and redistillation.

Re: new pot still head

Postby bradsgonetrekkin » Tue Nov 29, 2011 8:36 pm

No 5Star, the inner line has a bit of crimping to induce turbulence but no packing.

I'll put some in for the next run, ta for the tip ;)
bradsgonetrekkin
 
Posts: 184
Joined: Wed Apr 13, 2011 7:44 pm
Location: newcastle nsw
equipment: 18 gallon (80litre) ss keg boiler with 2400w and 1200w elements
65-50-35-19mm copper pot head/ stripper
2m high 65-50mm copper vapour management column with cross flow condensor head
630mm long 3/4 over 1/2 inch leibig and 32mm outer, 1/2 inch inner 'double barrel' interchangable condensors

Re: new pot still head

Postby R-sole » Wed Nov 30, 2011 3:55 am

You're welcome. You only need a few long wispy bits.
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equipment: Keg based pot stiller. 3" vm for occasionally making product for macerations and redistillation.

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