Propane burner

LP, NG, gas burners of all types. Wood, coal or Steam equipment.

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2goose
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Propane burner

Post by 2goose »

I have a high pressure propane burner similar to a turkey fryer. When made my first run of a sugar wash, after the initial heat up turning it down caused it to burn yellow and smokey. What it is the fix ?
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Re: Propane burner

Post by NineInchNails »

Turn the heat down and slow your warm-up. What size boiler ya running and what burner are you using?
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Re: Propane burner

Post by Prairiepiss »

Not enough oxygen for proper burn. Does it have a draft shutter on it? It should be around where the gas line connects. Usually you can turn them and open the air passage up. Allowing for more oxygen for proper combustion.

Or if it hadn't been used in a while. A spider may have made a nest in it. And its blocking the air flow. In which case just clean it out.
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2goose
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Re: Propane burner

Post by 2goose »

Draft shutter is wide open. Runs bright and blue on high. It is brand new

8gal. pot.
2goose
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Re: Propane burner

Post by 2goose »

Still doing this. Think I will take it to the propane deal in town. Maybe the wrong jet ?
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Re: Propane burner

Post by Prairiepiss »

I still say its not getting the oxygen it needs. Have you tried to close the shutter some? Maybe the lower pressure can't pull enough with it open. So it doesn't mix well? Does it do it even without something on it?
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RBL
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Re: Propane burner

Post by RBL »

+1. my father in law works on heaters and such. taught me shutter wide open on low isn't efficient.
2goose
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Re: Propane burner

Post by 2goose »

Ah Hah. Shutting the shutter a bit at low valve openings makes sense. Thanks. I'll try that
White_Lightning_Rod
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Re: Propane burner

Post by White_Lightning_Rod »

Yea when I run mine on low had the same problem, dampered it down and cleaned right up to a pretty blue flame. And I no longer have to scrub soot off the bottom of the boiler now either.
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Kennylee
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Re: Propane burner

Post by Kennylee »

Also try taking the burner apart and cleaning it with a wire brush, soot and rust build up on it too, and clean the gas tube with pipe cleaner, for some reason small spiders like to make this their home.
Appalachian spirits
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Re: Propane burner

Post by Appalachian spirits »

Spiders and insects LOVE burners. If the draft is open and its burning yellow you def have an air problem. Try cleaning out the burner and blow it out with compressed air.
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Re: Propane burner

Post by still_stirrin »

Zombie revival. But a great tip none-the-less. Thanks.
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Re: Propane burner

Post by Reverend Newer »

Who cares about zombie threads being revived? (cough, post whore)

We all trying to learn here and this is a common problem.

There are other remedies too like taking a small torch tip cleaning file to clear every flame orifice....



The main problem is that the cheap burners do not have big enough air intakes.


Even the Blichmann Hellfire burner with HUGE oxygen intake oriface will still blow yellow flame if pushed too far.


Really you gotta be patient and keep the flame blue... lest kettle get black and ye gas wasted.
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Big Popa
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Re: Propane burner

Post by Big Popa »

Bought me a adjustable regulator for mine seem to work much better than closing off valve.
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Jimy Dee
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Re: Propane burner

Post by Jimy Dee »

Lovely Post with simple advise. Exactly what I was looking for. Thanks to all who contributed. My burner at times had me going nuts. This sorts it. JD
Blarney Stoned
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Re: Propane burner

Post by Blarney Stoned »

I added an inline needle valve post regulator for uber control. Peachy.

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Jimy Dee
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Re: Propane burner

Post by Jimy Dee »

Blarney, can you put up a pic of where the inline valve goes pls. I am not technical but it seems like a great addition. Thanks. JD
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