Joycy's 4" Bubbler Build

Perforated & bubble cap plated columns

Re: Joycy's 4" Bubbler Build

Postby bluc » Fri Sep 14, 2018 8:19 pm

Sweet :handgestures-thumbupleft:
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4 plate 4" bubbler, 600mm packed section

Re: Joycy's 4" Bubbler Build

Postby Joycy » Fri Sep 14, 2018 8:26 pm

After soldering the copper tube in (and drilling 1/2 holes before) I ground it down and cleaned it up with flap disc. Soldered on the flanges and cleaned it up a little more. Just need to solder the 1/2 copper tails in to connect water supply
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This is what I have complete so far. A little slow but getting there
12.jpg
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equipment: Currently building a 4" bubbler

Re: Joycy's 4" Bubbler Build

Postby Joycy » Fri Sep 14, 2018 8:30 pm

This is the condition of the 100mm copper I started with, thank Jesus for citric acid :-D
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Re: Joycy's 4" Bubbler Build

Postby db1979 » Fri Sep 14, 2018 8:53 pm

:happy-partydance: looking great mate :handgestures-thumbupleft: let's us know how the leak test goes.

You'll be seeing bubbles pretty soon, getting the RC down is a huge achievement :handgestures-thumbupleft:

Step drill bits rock :music-deathmetal:
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equipment: 4" 4 plate solid state bubbler (sieve plates) on a keg boiler with 2 x 2000 W elements.
Virtually retired: 2" 4 plate solid state bubbler (1" bubble caps, no sight glasses) on a 7.6L boiler (SS stock pot with SS mixing bowl lid), 2000 W.

Re: Joycy's 4" Bubbler Build

Postby Joycy » Fri Sep 14, 2018 9:02 pm

Thanks db, you did say last week to get it done so I left the other 2 tee pieces and decided to get it done today. Felt good to get it (almost)finished hopefully there's no leaks, it wasn't too bad in the end, the other builds have helped me cut out a lot of trial and error and just get it right first time ha.
Is there a situation where the water in the RC can be too cold? I have the luxury of having a machine that chills water and circulates it through 8mm John Guest hose. It also has a thermostat to lower between 1-8 range but worried it might chill the water too much?
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equipment: Currently building a 4" bubbler

Re: Joycy's 4" Bubbler Build

Postby db1979 » Fri Sep 14, 2018 9:20 pm

Chilled water is not a problem although a gate valve on the RC may not cut it, a needle valve might be a better option seeing as you may need a very small flow instead of a pretty small flow. The biggest problem with cold water is keeping it cold. If the temperature rises you'll have trouble maintaining the reflux ratio on your bubbler.
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Location: South of the big smoke in banana bender land.
equipment: 4" 4 plate solid state bubbler (sieve plates) on a keg boiler with 2 x 2000 W elements.
Virtually retired: 2" 4 plate solid state bubbler (1" bubble caps, no sight glasses) on a 7.6L boiler (SS stock pot with SS mixing bowl lid), 2000 W.

Re: Joycy's 4" Bubbler Build

Postby Joycy » Fri Sep 14, 2018 9:26 pm

I will try a gate valve first, if not I will have to fork out for a needle valve. I will have saved enough on the equipment to justify it, although the machine I will be using is worth about $1500 :-D There won't be an issue with keeping it cold, but like you said I might have to throttle it right down if it's too cold
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equipment: Currently building a 4" bubbler

Re: Joycy's 4" Bubbler Build

Postby dans.brew » Fri Sep 14, 2018 9:39 pm

Joycy wrote:I will try a gate valve first, if not I will have to fork out for a needle valve. I will have saved enough on the equipment to justify it, although the machine I will be using is worth about $1500 :-D There won't be an issue with keeping it cold, but like you said I might have to throttle it right down if it's too cold

A gate valve is all i use on my RC and havent had any problems with it as yet.
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Re: Joycy's 4" Bubbler Build

Postby db1979 » Fri Sep 14, 2018 10:02 pm

It'll come back to the design of the RC too. Mine is quite short at 85 mm and I need to have copper mesh in the tubes to maintain full reflux in summer, otherwise it copes fine. But a longer RC with cold water will need very slow flow. Otherwise you just won't get past it.
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Posts: 957
Joined: Sat Dec 29, 2012 3:47 pm
Location: South of the big smoke in banana bender land.
equipment: 4" 4 plate solid state bubbler (sieve plates) on a keg boiler with 2 x 2000 W elements.
Virtually retired: 2" 4 plate solid state bubbler (1" bubble caps, no sight glasses) on a 7.6L boiler (SS stock pot with SS mixing bowl lid), 2000 W.

Re: Joycy's 4" Bubbler Build

Postby Joycy » Fri Sep 14, 2018 10:21 pm

I've made mine 140mm with 7 X 3/4 tubes. I've never used the machine for anything like this before so I don't really know how much range I have with chilling without restricting flow. I guess that part will be just trial and error
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Joined: Mon Aug 20, 2018 12:29 pm
Location: Brisbane
equipment: Currently building a 4" bubbler

Re: Joycy's 4" Bubbler Build

Postby db1979 » Fri Sep 14, 2018 10:42 pm

Yep give it a go :handgestures-thumbupleft:
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Posts: 957
Joined: Sat Dec 29, 2012 3:47 pm
Location: South of the big smoke in banana bender land.
equipment: 4" 4 plate solid state bubbler (sieve plates) on a keg boiler with 2 x 2000 W elements.
Virtually retired: 2" 4 plate solid state bubbler (1" bubble caps, no sight glasses) on a 7.6L boiler (SS stock pot with SS mixing bowl lid), 2000 W.

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