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Joined: Feb 2004
Posts: 13,880 Likes: 16
Sidelock
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OP
Sidelock
Joined: Feb 2004
Posts: 13,880 Likes: 16 |
I'm trying to build a pipe burner for my 36" SS rust blue tank. I've always just put it on the top of the stove, but it's not a welcome thing in the kitchen.
I took a 36" x 3/4" pipe and drilled it with (32) 1/8" holes. My venturi and jet are from my 100,000 btu turkey fryer burner and it is 3/4" NPT. So I went with 3/4" pipe.
My problem is that the flame separates from the tube and blows out unless set at extremely low flow. I tried chamfering the holes to no help. Did I put too large holes in there? Too big or small jet?
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Joined: Dec 2001
Posts: 6,995 Likes: 402
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 6,995 Likes: 402 |
Frustration with converting my old bluing set up from NG to LPG ended up with my buying on of these: https://custompipeburners.com/Straight-Pipe-Burners/5bought the high pressure regulator and the fine adjustment valve. No more headaches.
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Joined: Feb 2006
Posts: 3,736 Likes: 55
Sidelock
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Sidelock
Joined: Feb 2006
Posts: 3,736 Likes: 55 |
Years ago I made an aluminum tank with a lid, 48" long, 6" wide and 6" high. I made if for steam bending chairs. Set it over a two burner camp stove I had. When I first started rusting barrels I needed to find something so I tried the aluminum tank, when the water boils I put the rusted barrels in for 5 minutes take out and go onto the next step.
David
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Joined: Jul 2012
Posts: 4,465 Likes: 207
Sidelock
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Sidelock
Joined: Jul 2012
Posts: 4,465 Likes: 207 |
Chuck, I believe 1/8th holes are too large, You can check this at the local propane supplier( one that delivers bulk gas, not a filling station that only swaps tanks). Mike
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Joined: Feb 2010
Posts: 426 Likes: 11
Sidelock
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Sidelock
Joined: Feb 2010
Posts: 426 Likes: 11 |
I use hot water boiler elements is mine , one 4500 watt in each end of a stainless 40 inch tank ,boils in 15 minutes
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Joined: Jun 2002
Posts: 2,268 Likes: 93
Sidelock
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Sidelock
Joined: Jun 2002
Posts: 2,268 Likes: 93 |
My piper burner holes are much smaller.
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Joined: Dec 2001
Posts: 2,961 Likes: 9
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 2,961 Likes: 9 |
I used a 2 inch black iron pipe with two rowes of 1/16 holes, using pipe caps on each end I drilled a large hole in one end and brased a 50,000 BTU BBQ grill venture , jet and off & on valve to the end. Works fine.
bill
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Joined: Feb 2004
Posts: 13,880 Likes: 16
Sidelock
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OP
Sidelock
Joined: Feb 2004
Posts: 13,880 Likes: 16 |
Since the pressures are so low, I duct taped the 1/8" holes and tried saw slits from a hacksaw, just as a test part. Just barely break through slots about 3/16" long at the bottom. I cut a dozen or so and it worked well, but very high volume of heat. The shape of the exit seems to play a large role. If I cut slots every 1/2" on a 3 ft pipe it would be too much flow. I'll play with a pattern.
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Joined: Jan 2006
Posts: 15,456 Likes: 86
Sidelock
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Sidelock
Joined: Jan 2006
Posts: 15,456 Likes: 86 |
I made a fish fryer years ago someone told me to use an automotive grease fitting for the jet with the little ball knocked out. I had that suspended in the center of a two inch threaded pipe about 5 inches long with end cap drilled with 6 or 8 pretty big holes...if my memory serves me seems like the holes I drilled in the end cap were 1/8" at least. My cooker sounded like a jet engine.
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Joined: Feb 2008
Posts: 168
Sidelock
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Sidelock
Joined: Feb 2008
Posts: 168 |
My 36 inch pipe burner for LP gas came from Brownell's and works very well Pipe is about 1.7 inch diameter with 2 rows of holes about .107" diameter each and it has an adjust air baffle on the gas inlet side. pressure regulator is from an old gas grille.
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