db73 new reflux boka build

Reflux still design and discussion

db73 new reflux boka build

Postby db73 » Tue May 20, 2014 8:12 am

Well this has been a while in the making so to speak

After loads and loads of reading and research I finally decided that a boka still was for me

Lucky for me I have a good mate who is a plumber and two of my brothers are electricians

So I scored a 2 metre length of 2½" copper. Bingo!

Also scored half a roll of 1/4 and half a roll of 3/8 copper tube from my brother. Again, bingo

Downloaded the template getting around and scaled it to suit 2½

Image

Fast forward a few weeks :shock: and slanted plates and condenser done

Image

Strangely I don't have a photo of my condenser. Not too exciting anyway but just a standard double coil thing about 170mm long.

As posted herehttp://aussiedistiller.com.au/viewtopic.php?f=49&t=5746 i build a keg boiler with a 5500 watt element

Built this control box

Image

I used a solid state voltage regulator and potentiometer from here http://www.auberins.com/index.php?main_page=product_info&cPath=2_30&products_id=353

Was a little suss on the Chinese ones on ebay but many here have used them.

Image

What you can't see is a heatsink bolted to the back of the box for the relay

The control box is not finished as I am sourcing a digital voltage and ammeter. Not mandatory, just for monitoring purposes

First test run of the boiler was a success and got nice fine voltage adjustments

Made a parrot

Image

You will see the shiny version of it later

Seeing i had plenty of 3/8 copper i decided to use that for my take off tube

Was a little unsure as to what to use for a secondary condenser to cool the product but went for 1/2 tube

For weeks I was lamenting over what needle valve to use and ending up getting one like this from ebay

http://www.ebay.com.au/itm/Hoke-1-2-Stainless-Steel-Needle-Valve-3812G8Y-Several-Avail-New-/131190260535?pt=LH_DefaultDomain_0&hash=item1e8b8c8337

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As you can see in this photo I decided to use John Guest type connections for my cooling lines

Hooked up to the kitchen tap (excuse the shit in the sink)

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Time for the first vinegar run. Yay!!!

db73
 
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Joined: Thu Jan 23, 2014 3:37 pm
Location: Woody Point, QLD
equipment: 2 1/2 boka on 50 litre electric keg boiler

Re: db73 new reflux boka build

Postby punchy21 » Tue May 20, 2014 10:50 am

Nice build DB :handgestures-thumbupleft:

That's a pretty looking parrot :clap: well it will be...
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equipment: Modular 4" 4 plate Bubbler
6kW 50L Boiler

Re: db73 new reflux boka build

Postby Smbjk » Tue May 20, 2014 10:52 am

Very nice mate. You will be well pleased with that rig. You got some washes ready :handgestures-thumbupleft:
Smbjk
 
Posts: 863
Joined: Fri Dec 14, 2012 11:22 pm
Location: Brisvegas
equipment: 50lt keg boiler with 2"boka
3" bubbler with 4 perf plates
All grain brewery ( Small Scale ) Keg Fridge
50lt keg boiler 2x2400w elements
Control box
Building fund is depleted

Re: db73 new reflux boka build

Postby db73 » Tue May 20, 2014 11:20 am

Thanks guys

I will get some more photos up. The parrot cleaned up well and after a clear coat looks good.

Do you guys do anything with the product that comes out from the vinegar run? It just smells like weak vinegar

Also your thoughts on a sacrificial run after the cleaning run (for which I have done two of now). The product that came out was very clean as you can see in the video.

I have a TPW that has been down for about 4 weeks now that i would rather drink than turn into cleaning product.
db73
 
Posts: 22
Joined: Thu Jan 23, 2014 3:37 pm
Location: Woody Point, QLD
equipment: 2 1/2 boka on 50 litre electric keg boiler

Re: db73 new reflux boka build

Postby Zak Griffin » Tue May 20, 2014 11:42 am

Always do a sacrificial run mate... A box of wine will do the trick.
Zak Griffin
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equipment: "The Heart of Gold" - 4" Bubbler - finally bubbling!
"Zaphod" - 3" Pot - retired
"Agrajag" - 6" Bubbler - midlife crisis build?

Re: db73 new reflux boka build

Postby db73 » Tue May 20, 2014 12:23 pm

Zak Griffin wrote:Always do a sacrificial run mate... A box of wine will do the trick.


Will do.

Water down the wine at all? Or should I get a couple of casks?

Cheapest Dan Murphy's do is about $9 for 4 litres
db73
 
Posts: 22
Joined: Thu Jan 23, 2014 3:37 pm
Location: Woody Point, QLD
equipment: 2 1/2 boka on 50 litre electric keg boiler

Re: db73 new reflux boka build

Postby Zak Griffin » Tue May 20, 2014 12:56 pm

May as well get two, mate... Your sacrificial run isn't just for cleaning, you will learn a thing or two about how your still runs as well.

Fill your boiler with water until the element/s are just covered, and tip the wine in on top :)
Zak Griffin
Lifetime Member
 
Posts: 6832
Joined: Mon Jul 15, 2013 9:34 pm
Location: Radelaide
equipment: "The Heart of Gold" - 4" Bubbler - finally bubbling!
"Zaphod" - 3" Pot - retired
"Agrajag" - 6" Bubbler - midlife crisis build?

Re: db73 new reflux boka build

Postby Yummyrum » Tue May 20, 2014 8:09 pm

Zak Griffin wrote:May as well get two, mate... Your sacrificial run isn't just for cleaning, you will learn a thing or two about how your still runs as well.

Fill your boiler with water until the element/s are just covered, and tip the wine in on top :)


:text-+1:

Excellent job all round........make sure you have a go at smelling the output too....recognize the fore shot smell , the early heads smell ....late heads and hearts will be hard to smell but when tails come ...you'll know .

Unfotunately this will be a smell only run ...as you won't won't to taste this stuff ....for safety's sake
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Joined: Fri Dec 28, 2012 3:19 pm
Location: Near Coffs
equipment: Did use Still Spirits Reflux
Now use 50l Keg with Pot head for Rum and Neutral stripping runs on gas .
LM/VM head with 1m packed 2" on Still Spirits boiler for Neutrals.


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