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Keg spear burner

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Keg spear burner

Postby firewater69 » Sat Feb 17, 2018 1:00 pm

I have ran electric from day 1, but only have access to 110v which is just too slow and since I'm building a new plated rig, I wanted more power. Switching to propane would be no problem but my boiler has a drain on the bottom and I wanted the burner to clear it, so I had a couple of keg spears laying around and decided to try my hand at a custom burner. I don't have any assembly pics as I didn't think far enough ahead ( my bad) but I'll try to explain what I did as best I can. I cut the spear on 45° angles and Tig welded them together in a u shape, I used a Dremel with a zip wheel blade to cut slots into it and welded up the short end. The long end has a flat piece of metal with a 1/8-27 npt hole in it which holds the burner orifice. The orifice is 0.063 and made from a 1/4" tube ferule fitting, there is no air adjustment it burns well as is. Honestly it needs a little smaller orifice as it could use more air but I haven't had time to make changes. I have no idea about btu's, I just used knowledge gained from experimenting with other burners in the past. It's nothing fancy just another good use for a keg spear.
Attachments
IMG_20180209_185337367-600x800.jpg
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firewater69
 
Posts: 40
Joined: Sun Jan 05, 2014 7:30 pm
Equipment type: 2.0" LM and a 2.0" CM with external RC coil. 1 keg boiler all electric, and a 20 gallon boiler ran on propane or electric.

Re: Keg spear burner

Postby firewater69 » Sat Feb 17, 2018 1:02 pm

A couple more pics
IMG_20180209_184859688-600x800.jpg
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firewater69
 
Posts: 40
Joined: Sun Jan 05, 2014 7:30 pm
Equipment type: 2.0" LM and a 2.0" CM with external RC coil. 1 keg boiler all electric, and a 20 gallon boiler ran on propane or electric.

Re: Keg spear burner

Postby minime » Sat Feb 17, 2018 6:45 pm

Wow, well done! I used to run on propane but found it noisy. I love the peace and quiet of electric but I have 6KW
Never save the best for last!
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Re: Keg spear burner

Postby firewater69 » Sat Feb 17, 2018 8:17 pm

Thanks, it's actually not too loud especially once up to temp. I do like the silence of electric though. If I were to do it again I would expand the bell further or add a bigger section on that end to get more air flow, this one will probably just get a new orifice and left as is, it has way more power than I expected it to.
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firewater69
 
Posts: 40
Joined: Sun Jan 05, 2014 7:30 pm
Equipment type: 2.0" LM and a 2.0" CM with external RC coil. 1 keg boiler all electric, and a 20 gallon boiler ran on propane or electric.

Re: Keg spear burner

Postby S-Cackalacky » Sun Feb 18, 2018 9:08 am

A very common technique when using 110V is to install a second element. You would need a second independent 110V service. Run one element direct connected to the service and the other on a controller. With a couple of 6KW elements rated for 240V service, you would have 3KW available heating power.
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Re: Keg spear burner

Postby firewater69 » Sun Feb 18, 2018 10:20 am

Thanks S-Cackalacky, I was aware of that but didn't want to run a second line. I recently remarried and moved, I may eventually go back to electric but I'm gonna play with fire for a while, I like how much faster it is and so does the wife.
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firewater69
 
Posts: 40
Joined: Sun Jan 05, 2014 7:30 pm
Equipment type: 2.0" LM and a 2.0" CM with external RC coil. 1 keg boiler all electric, and a 20 gallon boiler ran on propane or electric.

Re: Keg spear burner

Postby S-Cackalacky » Sun Feb 18, 2018 10:49 am

Understood. BTW - nice work on the burner.
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S-Cackalacky
 
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Re: Keg spear burner

Postby firewater69 » Sun Feb 18, 2018 11:05 am

Thank you sir. It was fun to build, I like to build everything I can.
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firewater69
 
Posts: 40
Joined: Sun Jan 05, 2014 7:30 pm
Equipment type: 2.0" LM and a 2.0" CM with external RC coil. 1 keg boiler all electric, and a 20 gallon boiler ran on propane or electric.


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