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boosting propane forge temps
This is a discussion on boosting propane forge temps within the Problem Solving forums, part of the Blacksmithing category; A whisper momma will forge weld at 7000 feet with no changes at all you may wish to check and ...
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12-24-2007, 09:35 PM
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A whisper momma will forge weld at 7000 feet with no changes at all you may wish to check and see if one of the jets is plugged, take the manifold off and clean it out and take a peek through both jets to see they are clear. If you do not have a pressure adjustment on the guage unit then you need one. Is the refractory in good shape and is the floor of the forge intact? if not you need to put them back like they were...good luck...
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12-24-2007, 09:53 PM
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what pressure are you running?...and how many burners of what size? My Propane forge attains welding temp nooo problem.... you really need to bring in outside air to your forge area...and you need to exhaust it....please be carefull in such an enclosed space...you wont notice it till it bites you |
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12-25-2007, 03:31 AM
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Rich metioned the refactory when I have a gas forge that seems cold the first thing I think about is the liner. If it is not right that is likely your problem. (If you have been coating the bottom with flux or it is just worn out.) If you are planning to do a lot of welding in there you may want to use something on the floor to protect it from your flux like kiln shelf or very thin fire brick. I of course am not much above sea level here though. Hope you find a simple solution.
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12-25-2007, 08:06 PM
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Try an oxygen generator ... found on ebay. It can be used to enrich the o2 mix at the venturi. Also try recycling the waste heat thru a heat exchanger. I have a small forge that I was expermenting with which includes a heat exchanger and a "ribbon burner". I find that it generaly to hot but may be good for making billets. There is also a "drax torch" the principles of the torch could be used in a blacksmiths forge burner: (WO/1999/001698) IMPROVEMENTS IN BURNERS I can not seem to find the book mark I had to "drax torch" document at the USPTO which is very interesting. If I find it I will post it. |
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12-25-2007, 08:42 PM
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Don't worry about the CO levels. I keep 2 fans running in the shop, one pulls in fresh air from outside and the other is set up right above the forging area to draw away fumes and exhaust. Still a good idea to get a CO detector though. Thanks |
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12-25-2007, 08:46 PM
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12-27-2007, 04:45 PM
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Hello: Do you try coating the insides with ITC 100?? If not try it and you will see a major difference in temps...it refelcts at least 90% of the heat right back into the cavity...Neat stuff... JPH
__________________ just lil\' ol\' me, AKA The Passionately Purple Cactus Flower of Genteel Desert Manhood. |
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12-28-2007, 01:36 PM
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I added a blower to one side and when i fired up the forge to see if it worked it looked like that side wasn't even firing. Also just filled the propane tank and the pressure on the regulator is sporadically jumping around from 12# to 15+# with flames leaping out about 1ft futher than usual, frost forming on the hose and sloooow bleed time afer shut off. Is this indicative of a bad regulator or an overfilled tank? thanks |
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12-28-2007, 03:13 PM
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The burners on that forge are designed to run with no added pressure. An overfilled tank would release the overpressure from the safety valve. Most of the big suppliers of lpg should be able to test your regulater for you. You may want to give the folks that made the forge a call and discus your problems. I know they are on your side and would like you to be happy with their product.
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12-28-2007, 03:41 PM
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Linear Mode
