Archive for the ‘Burner’ Category

Firing up the Furnace

Posted: October 3, 2010 in Burner, Furnace Body

Well, it’s now time to finally put the burner in the furnace and bring this forge up to temp to do a nice burn-out prior to coating with the ITC-100 Infrared Reflector.  As a result, it’s not going to get as hot and be as efficient as it WILL be later, but I need to get all of the burnout done before sealing it.   This gives me a chance to see what it can do.

This is the furnace after a few minutes to get up to heat.  The object in the center is a steel can that I was melting aluminum in… a nice hot orange.  The rod to the left of that was a graphite rod that I snapped and it fell ito the furnace.  Hot hot hot.

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Once all is said and done, here’s the end result. 

Medium pressure

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Burner Modifications

Posted: August 20, 2010 in Burner

In the process of diagnosing my problems I’ve addressed air intake, tube and exit gas velocity and flame stability. Here is the end result as it deviates from my initial Propane Burner post.

  1. Larger air intakes than initial size
  2. Tip pushed forward
  3. Simplified Flame Holder
  4. Choke
  5. Paint Job

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The Fan-Grill Holder

Posted: August 16, 2010 in Burner

After seeing that cool video of the jet engine with the fan-grill flame holder from the Fixing the Propane Burner post, I decided to give it a shot  on my burner.  Could that slow down my flame enough to be stable?

After cutting out the center ring and keeping posts on the side to go into slots I notched into the end of the pipe, I brazed it into place.

I melted off one of the arms.   Ah well.

Then I hooked it to the regulator and fired it up.

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Fixing the Propane Burner

Posted: August 15, 2010 in Burner

So, we had a problem…  the flame was shooting into the pipe.  I ran many experiments.  I lengthened the accelerator pipe holding the jet, I pushed the jet further into the tube, I widened the air-intake channels, all to no avail.  

That’s when I was left with 2 options… the jet needs to be smaller to get faster propane velocity or the regulator is broken.  I’d noticed at one point that I could no longer tune the jet with the regulator as I had in my initial firing.  

That’s when I realized that maybe it wasn’t the regulator, maybe it was the propane tank!  A little googling later…  

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Firing up the Burner

Posted: August 11, 2010 in Burner

Well, the new propane regulator finally arrived so it was finally time to hook up to my propane burner.   Initially I was intending to use an old Acetylene regulator that I no longer needed but:

  1. The connector was designed for one of the gray tanks, not the commonplace propane tanks.
  2. I’ve read conflicting information on whether you can safely use Acetylene regulators on Propane and vice versa.

Given that I’d need to buy adapters, etc, I decided that it just wasn’t worth the risk since propane regulators can be cheap (though they can also be very expensive.)  

However, I had bought the high-pressure hose first, back when I thought I could use the Acetylene regulator… so now I had to mate that up to a propane regulator

I’d read good things about people using generic “turkey fryer” regulators and ended up going that way.  Since I already had the Bayou Classic hose, it seemed like a good idea to get the Bayou Classic propane regulator and it seemed relatively well regarded as opposed to some others.  It can go from 0 to 30 psi which should be plenty of heat for what I’m trying to do.  20 psi should be sufficient from my reading, but 30 gives us a little extra headroom.

Now, in retrospect, I may have been better served by buying a burner kit but I was doing piece-meal.  If I’d gotten the kit, I could probably reuse the pressure gauge without needing to spend an extra $10 in connectors and extra mess.   

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The Propane Burner

Posted: July 28, 2010 in Burner

As mentioned in the overview, Ron Reil has a lot of good information on his site.  Unfortunately, it’s organized rather badly as far as a “how to” goes, and operates more as a “here are things I’ve done.”  Nuggets of wisdom are scattered around the various pages though, so with a bit of work you can figure some things out.

Distilling the wisdom of the net, this is what I ultimately came up with, but why, and how do they work?

Lets look at a simple Reil burner plan to understand the concepts.

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