Fire Extinguisher thumper

Pot still design and discussion

Fire Extinguisher thumper

Postby Big_driz » Sun Apr 17, 2016 9:57 am

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Got myself a 9l water fire extinguisher that i thought would make a good thumper. I had to cut off the the original socket, as it was unknown thread and size. I hard soldered on a stainless 1" socket.
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Got a piece of 3/4 copper going through the guts of a 3/4, 3/4, 1" tee, with some holes drilled into the bottom to let the vapour out at the bottom of the thumper.
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equipment: 2" potstill with a Liebig condenser on a 50l boiler running on gas.

Re: Fire Extinguisher thumper

Postby Big_driz » Sun Apr 17, 2016 9:59 am

Also had a crack at my first easy flange.
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Thinking of having a crack at a shotgun condenser, or should i stick with the Liebig?
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equipment: 2" potstill with a Liebig condenser on a 50l boiler running on gas.

Re: Fire Extinguisher thumper

Postby bluc » Sun Apr 17, 2016 11:03 am

Cool look forward to your results. I pot still also and have been toying with a thumper idea for ages :handgestures-thumbupleft:
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Re: Fire Extinguisher thumper

Postby bluc » Sun Apr 17, 2016 12:49 pm

If ya keen go with a shotgun with easy flanges so it can be used on other builds down the track.
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equipment: 2" pot with 2" shotty 400mm long 5x 1/2" on a t500 boiler.
50l keg boiler 4" still mount 4" sight glass 1" drain..
4 plate 4" bubbler, 600mm packed section

Re: Fire Extinguisher thumper

Postby Hairy camel » Fri Apr 29, 2016 3:39 pm

oh my im interested.....i have a few copper ones that are damaged that could be good for a thumper
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Re: Fire Extinguisher thumper

Postby WTDist » Fri Apr 29, 2016 4:31 pm

Hairy camel wrote:oh my im interested.....i have a few copper ones that are damaged that could be good for a thumper

Copper fire extiguishers. what size? Maybe a few plate sections
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Re: Fire Extinguisher thumper

Postby Meatheadinc » Fri Apr 29, 2016 6:28 pm

Hi Big Driz.
Nice work.
What size is your primary boiler ?
Generally thumpers are 1/3 to half the boiler capacity to prevent flooding.
Having it mounted to the boiler will aid in heat up - which will reduce condensation to some degree. Eg produce distillate faster which may help prevent flooding. However i would be very cautious priming the thumper with any significant volume.
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