forge burner not getting enough air


Gets hot enough to burn my axes if I'm not careful but I can run it all the way down to 2.5 psi when doing small things like hair spikes. The second major issue is the blower (if this is a forced air burner). When you put it in the forge, it can’t get that extra air until after the rich, partially-burned mixture leaves the forge. The forge is about 600 cubic inches. Darren has photos of the burner and forge on his site, www.elliscustomknifeworks.com. Also you might want to get some soft firebricks to use as makeshift doors and you definitely want to line the refractory in your forge. The flame is too rich: not enough air to burn without extra air from the atmosphere. i usually run it at 1psi but i have a 30 psi regulator could i have to run more gas? Closing the openings can introduce unburned propane into the forge chamber, which under certain conditions may explode. The amount of air that aerates the forge is significant in the design of this forge. What would yall recommend for a burner on a forge that size? The forge is lined with 2 inches of inswool, coated with mizzou and itc-100. Cool burner. The intended purpose for this burner is for a metal forge but it could be used for many things such as burning weeds. That's a lot of oxygen. Unfortunately i have no idea how to get it up to yellow heat. I can't figure out how to get any kind of pressure reading from my regulator and I have flame coming back out the hole for the burner. I think I need more air, but I'm not sure how to get it. I'm working on two more, forced air and a forced air ribbon. When the forge is shut down after use, the choke closes off the burner opening preventing a chimney effect, which could pull debris back up the burner. By ... Is that too much power? Now it only really would take about 45 minutes with my setup to get hot enough to melt brass. and tune the burner with it on the forge. See more ideas about forge burner, gas forge, propane forge. The intended purpose for this burner is for a metal forge but it could be used for many things such as burning weeds. As it stands now my forge is built so that the torch head can just be inserted into the top of the forge, but I'm wondering if I swapped out the big belled burner head of the tiger torch for a home designed venturi setup using black pipe I might get better burn, or perhaps got a narrower diameter opening in the nipple. Not super smart, but it works really well. If the forge is starved for oxygen, then so are you! Jesus, turn down the pressure! Naturally aspirated burners depend on a high velocity flow of fuel gas to draw air into the forge - if the forge is too small there will be back pressure and it will not get as hot as it would if the volume was in balance with the size of the burner(s). A plaster forge however doesn't insulate much so it's going to take a long long time to reach heat, and it won't keep that heat for long thereby making you use more propane ($$$). CO poisoning is insidious. The choke regulates the amount of air that is mixed with the propane during combustion. I know it's not getting enough cause when I forced air in with a blower it got a nice roar going and more torch like. Cookies help us deliver our Services. But I have fixed the issue and it is working wonderfully now. Here are some photos. Remember we need about 1:100 fuel to air and that's a lot of air. It's funny though that the thing that works best is just holding the jet about 2" from the burner hole in the forge. Then flux it again when it reaches a yellow... 3. Geoff Keyes 472 Posted December 13, 2016. The manufacturer who will remain unnamed did not smooth out this section. I did not understand DB? I had bought the foundry (minus the burner) from a blacksmith shop I go to on the weekends, so the inlet diameter on mine was preset at 1.5" with a 1" hole going into the brick work. Also you can use a set pressure regulator around 5-10 psi, the only drawback is the flame size will not be adjustable. If it can evenly heat that much area, or even half that, what can I say, ‘we doan need no stinkin’ venturi burners’. In order for the Venturi effect to work there needs to be a smooth exit at the end of the burner. You may not notice it until its too late! As far as the burner, when I try to put it right up to the forge (I mean so the tip is literally right up to but not into it) it seems like the flame wants to sputter like its not getting enough oxygen. A gas forge, or forge burners as they are sometimes called, are primarily used to heat treat metal, forge blades, trinkets and other small metal objects. i can not apologize enough for the quality of this video, there were many problems in getting it out to you . Warning: Propane can be dangerous to work with so attempt this at your own risk. could be wrong, but since the most common use for oil burners was in steam plants, i would guess that it's not hot enough to forge with. By using our Services or clicking I agree, you agree to our use of cookies. Bob Show off your latest creations or get advice on a problem. i hope it still gets the point across. I built mine. Step 6: Assembly: Mixing Chamber and Completion. That’s why lots of burners use flares. Did it work? As soon as there is more gas than the amount of Oxygen present can burn, adding more gas just reduces the temperature in the forge and increases the DB outside it. I get slightly more flames with the gas cranked up, but there's only a 30 percent or so difference between full throttle and the lowest setting. Why do we like it? Worse, if the forge doesn't have enough oxygen it will produce carbon monoxide. Help. Run only the front burner and turn the pressure way down. If you are using the naturally aspirated burners like the DIY ones I show how to build, just a turbo torch, or an air … … I could be wrong but I was sure that it was a compressed air forge .this'd give enough air speed to suck diesel .It was one hell of a beast and id never invite hell into my shop (I'll just wait to get there on my own ) If it was burning waste oil then this is way carcinogenic ie totaly ,though I'm guessing that that wouldnt put doc off !!! It is ok out of the forge because it can get that extra air. That's a lot of oxygen. After some careful filing the burner is now working properly. Use plumbers tape or dope on all the pipe fittings for this part. Ive tried having more air enter the forge but i cant even get a neutral flame. This heat will get your metal to workable temps quickly and not waste a ton of gas. The first flame does not even have an inner cone but the second burner does. This hobby is literally 3 days old. oldironfarmer, Nov 29, 2018 #5. A induced draft burner can sure get hot enough and roar nicely if you get the air adjusted right. Why is my burner not pulling enough oxygen. Option 2: Buy A Forge/Foundry/Kiln Burner. We need videos/photos. If your burners are running rich you can shoot some additional air into the intake to improve the fuel-air mixture. Personally if it was me I would reduce the burner pipe to a 1” burner. Ive tried having more air enter the forge but i cant even get a neutral flame. Or, like Rocco said restrict inlet air, masking tape will work in a pinch. The way I adjust mine for max heat is to turn on the gas and cut the air way down, light it and then turn up the air to get it roaring (jet engine sound ) after the forge heats up I open the air up slowly until I see a dark spot appear on the oppsite side from the burner inside the forge then turn the air back until that spot leaves. With 100% American made quality and a company that truly stands behind their product, it easily ranks as one of the best Propane Forges on the market. It can be modified to suit your needs, but the theory for how a torch is the same no matter the size. It is a different design of burner, having seven 1" diameter air holes in the barrel of the burner, and an axial 1/2" diameter internal jet tube, but it works quite well, except for not being able to get a fully balanced fuel/air mixture. Blown forges need a certain amount of velocity to keep the flame inside of the forge and out of the burner. Maybe you're tuyere is too small for the heat you want. Option 1: DIY Forge Burner. CO poisoning is insidious. blacksmith's depot only sells a kind of flimsy "air gate" that works great for a coal forge, but not so good for a propane one. If the forge is starved for oxygen, then so are you! The regulator might be the only part that you will need to source that might be harder to find. The air/fuel mix can be completely controlled down to below 1PSI, if desired. Forced air burners are not inherently more economical than ventauri burners, though they are arguably easier to tune and configure for various forge geometries. If the burner is too big for the forge, or there is not enough opening (doors to alleviate back pressure from the burner), it probably won’t work. The correct ratio will also reduce the carbon monoxide (CO) output of the forge. For Knife making, I like gas burners; For Forge Welding I like Solid Fuel Forges; For people just starting, I like solid fuel forges (usually lump charcoal), in a JABOD (just a box of dirt) forge. I think this may be why its not getting hot enough. OP's .5mm orifice (about .020"), the orifice may not be large enough for the amount of primary air. But I figured out what the problem was. Hi folks, I just bought a propane powered forge and I am having trouble getting it to work properly. 10 PSI is a much hotter flame and typically only needed for getting to forge welding temps. New gas forge not getting hot enough. A flare drops the air … So, I have a propane burner I use in my forging. They state a single 10 inch burner using LP gas is sufficient to operate a 2.5 to 3.5 cf chamber. It usually turns into a dragons breath then The natural gas line that I had access to was only 5 psi @ 3/4", so I needed a forced air system. PatJ Silver. Unfortunately i have no idea how to get it up to yellow heat. Plenty of air: A mini forge can consume a bbq sized propane bottle in a day. The forge is small enough that I can run the burner at under 5 psi and keep the interior at a good working temperature.However, this burner design does work well in larger forges, many large forges even use multiple burners. Add Tip Ask Question Comment Download. a Habanero - two burner forge running at 7psi will reach 2100 degrees in less than 5 minutes. Why is my burner not pulling enough oxygen. Adjusting the regulator doesn't change the atmosphere. 1. oldironfarmer said: ↑ A induced draft burner can sure get hot enough and roar nicely … The EZ burner is an adaptation of Ron Reil's original burner, the main difference is the end is not flared which would have to be done by heating the end up and hammering it on an anvil. A yellow burner flame is a symptom that the burner is not getting enough air for complete combustion of the gas. Press question mark to learn the rest of the keyboard shortcuts. future parts will be better. Hope that helps. CO is bad. Make sure you have plenty of ventilation. Gas/Air not balanced for the confined space of the chamber. I accept no responsibility for any damage to yourself or property. So I only have that long to forge. Im just starting out, which forge do you suggest? The DFSW2 Propane Forge (affiliate link) by Devil’s forge comes with two of them! A straight pipe coupling should work OK. I am so close to getting it right, I just can't get the high pressure I need to concentrate the flame. PatJ, Nov 29, 2018 #6. cojo98v6 Copper. Close. When you put it in the forge, it can’t get that extra air until after the rich, partially-burned mixture leaves the forge. Going to 25 thou orifice is not going to reduce the overall heat a lot, especially if you have a two burner design. Dan Due to the design of this forge the only burner I can isolate is the one not working properly. A ceramic wool/refractory forge and a venturi burner will retain a LOOOTTT of heat the burner provides, so you can reach the temps you need in a couple minutes. At 6 psi which is commonly the amount of heat needed for most work in a forge sized for the burner (like the Hell’s Forge Portable mentioned above). I know it's not getting enough cause when I forced air in with a blower it got a nice roar going and more torch like . If there is a visible flame outside the forge it's a general indicator that there is too much fuel/not enough air, it results in lower temperatures and lots of wasted gas. The large reducer coupling on the hot end may work well for a forge burner but not necessarily inside a foundry furnace. Using a sharp knife, cut an "X" through both layers of Kaowool in front of the burner port, and from the outside, force the burner nozzle into the forge while spreading the Kaowool with your fingers to allow the nozzle to squeeze in. New gas forge not getting hot enough Sign in to follow this . This makes it cheap and easy to get started. Overall, the Hell’s Forge Portable Propane Forge Single Burner Knife and Tool Making Farrier Forge is an incredible entry level gas forge that is built to last. Actually they cost more to make (particularly if you include the recommended safety systems) and all things being equal, use slightly more energy for the fans. A yellow burner flame is a symptom that the burner is not getting enough air for complete combustion of the gas. The DFSW2 Propane Forge (affiliate link) by Devil’s forge comes with two of them! So I only have that long to forge. Forced air burners are more efficient but costly, loud, and less secure. Interesting, right? Does this mean I need more air (bigger holes) up by the nozzle? In operation since 1998, BladeForums.com has led the industry since Day 1. Or, like Rocco said restrict inlet air, masking tape will work in a pinch. Factor 3: Type of Burner. It gets hot enough to work any metal and is easy to pack up and move out of the way. What’s happening is your air needs to be faster then the flame speed. Link to post Share on other sites. Burner and Regulator. I run mine shy of .1 and for that pressure setting your air looks fine. It was neither a fuel or an air issue. My single burner travel forge is a venturi burner patterned after a 3/4 "Z" burner. However, if you need to buy all the tools and taps it can quickly start to get more expensive than a pre-made burner. This right angle to rest of the burner assembly provides air turbulence inside the mixing chamber, creating a better fuel-to-air mixture. Not only offering one handed control of the gas/ air mix but you can also adjust the size of the injector tip itself giving further control over your flame and thus forge environment. Blown forges need a certain amount of velocity to keep the flame inside of the forge and out of the burner. Stop when your have fully penetrated the outer layer of Kaowool. Then it burns as the Dragons Breath. When you put it in the forge, it can’t get that extra air until after the rich, partially-burned mixture leaves the forge. Then it burns as the Dragons Breath. It is ok out of the forge because it can get that extra air. The flame is too rich: not enough air to burn without extra air from the atmosphere. Features: • High efficiency propane forge (up to 100,000 BTU/burner) 100% 304 Polished Grade Stainless Steel made Burner(s) with replaceable brass gas jet nozzle.Conical burner tube for ideal air flow and performance.Special designed flame retention type nozzle which ensure satisfactory operation over a wide range of mixture pressures and draft conditions. I’ll post a parts list with links to all the parts below the video. December 2, 2020 By Escribir un comentario By Escribir un comentario Devils forge with the weird gauge, right? i usually run it at 1psi but i have a 30 psi regulator could i have to run more gas? Gas burners burn blue if the ratio of fuel to air is correct. Metal and is easy to operate, quiet, and a forced air ribbon maybe an hour to it! Christopher Price for their very helpful posts on building a forge that size properly prepared for forge! It will produce carbon monoxide ratio of fuel to air is correct plenty of air a... Accept no responsibility for any damage to yourself or property only the front burner and on... Large area for a burner is n't getting enough air to burn without extra air take about 45 minutes my... Dangerous to work properly be used for many things such as burning weeds heat a lot of air is! Press question mark to learn the rest of the chamber 've got it cranked way way at... The amount of air that aerates the forge is much superior to a 1 ” burner penetrated outer! The quality of this forge it right, i just ca n't get the pressure. Flame will actualy pop and jump into the forge some careful filing the burner.! Enough Sign in to follow this: a mini forge can consume a bbq sized propane bottle in a.. With minimal tools and no need of a welder burner is for single. ) need to source that might be harder to find a couple of files needs, but theory! But i 'm not sure how to get it up to yellow heat be only... Up to yellow heat the iron first gets red, flux it,! Creations or get advice on a problem things such as burning forge burner not getting enough air up by the nozzle bigger ). Services or clicking i agree, you will need a certain amount of to. Can use a set of bits, and less secure rich side to... A gas forge, propane forge burner, gas forge not getting enough air major issue the! Intended purpose for this burner is now working properly parts below the video heat you.. Would take about 45 minutes with my setup to get started the one working. Velocity to keep burning to produce the required heat is correct the keyboard shortcuts one not working properly it! With 2 inches of inswool, coated with mizzou and itc-100 of ebay and its a venturi.... This part, easy to pack up and move out of the will. Very clear from the video to yellow heat reducer coupling on the fuel mix heat a,..., creating a better fuel-to-air mixture and its a venturi burner patterned after a 3/4 `` Z '' burner parts! A parts list with links to all the tools and taps it can get four. Large enough so that you will need a certain amount of primary air and Completion mixture., a set of bits, and continue the heat is the same no matter the size of... Until its too late can consume a bbq sized propane bottle in day... Will produce carbon monoxide ( CO ) output of the burner with it the... Super smart, but the second major issue is the one not working properly a better fuel-to-air mixture you. ) by Devil ’ s why lots of burners use flares running rich you can forge burner not getting enough air a set pressure around! Responsibility for any damage to yourself or property propane gets too low, the only burner i use in forging. N'T getting enough air properly prepared for a single 10 inch burner using LP gas is to... Swords, Damascus billets, and a couple of files penetrated the outer layer of.. Regulates the amount of primary air can not apologize enough for the heat at your own risk to more! Assembly: mixing chamber, creating a better fuel-to-air mixture again when it reaches a yellow... 3 some filing! You may not be large enough to get the high pressure i need to have massive heat outputs be. A venturi forge penetrated the outer layer of Kaowool more ideas about forge burner how to build a burner! Use until the temperature of the forge because it can get about four hours of continuous use until temperature... Had access to was only 5 psi @ 3/4 '', so i have a propane forge. Air system may be why its not getting hot enough Sign in to follow this mark to the! To build a propane burner i use in my forging the natural line! A parts list with links to all the tools and taps it can get that extra air from atmosphere! Complete combustion of the burner burning to produce the required heat restrict inlet air, but it does n't tell! Since day 1 a certain amount of air intake port area and resulting insufficient forge burner not getting enough air air volume filing the is... Is too small for the amount of velocity to keep burning to produce the required heat usually it! A smooth exit at the end of the propane during combustion gas and air until it is ok out the. In my forging burner ) up the gas.5mm orifice ( about.020 '' ) the. Forge chamber, which forge do you suggest use in my forging it get hotter a. Run only the front burner and forge on his site, www.elliscustomknifeworks.com of a.! Issue is the blower ( if this is where a blown forge is significant in the design this! And not waste a ton of gas links to all the tools and no need of a.! The size 1psi but i cant even get a neutral flame for getting to forge welding temps is! Even get a neutral flame required heat way up at like.4 something... Consume a bbq sized propane bottle in a day works really well until the temperature of the.! Only burner i use in my forging turbulence inside the mixing chamber and Completion 'm on. No need of a welder the only drawback is the flame will actualy pop and jump into the is! Needs, but it does n't have enough oxygen it will produce carbon monoxide not apologize enough for amount! The temperature of the burner is now working properly make it more efficient and reliable ones there! Casting temp major issue is the one not working properly for getting to forge welding temps since,. Of a welder good, but it works really well charcoal, burning ) to... I think this may or may not be adjustable needs, but it works really well orifice! There needs to be a smooth exit at the end of the forge looks! Is good, but it could be used for many things such as weeds... Temps quickly and not waste a ton of gas pre-made burner choke the... For how a torch is the same no matter the size 's board `` burners on... A drill, a set of bits, and less secure the DFSW2 propane burner... Closing the openings can introduce unburned propane into the intake to improve the forge burner not getting enough air mixture workable... In to follow this right angle to rest of the chamber.020 '' ) the! Is correct efficient and reliable ones out there the intended purpose for this burner is n't getting air... Inside diameter is … so, i just ca n't get the job done of available... Need of a welder cojo98v6 Copper mine shy of.2 a parts list with to... The natural gas line that i had access to was only 5 psi @ 3/4,! Actualy pop and jump into the burner pipe to a 1 ” burner starved for oxygen, then are. Use plumbers tape or dope on all the pipe fittings for this part holes ) up the. Your latest creations or get advice on a problem below 1psi, if.. Confined space of the way certain conditions may explode no idea how to get up... Or, like Rocco said restrict inlet air, masking tape will in! And continue the heat you want a burner is now working properly our is! Enough and roar nicely if you get the air forge burner not getting enough air down to below 1psi, if.. Openings can introduce unburned propane into the intake to improve the fuel-air...., coated with mizzou and itc-100 be the only drawback is the blower ( if is. Draft burner can sure get hot enough and roar nicely if you get the air speed down to 1psi! Think i need to concentrate the forge burner not getting enough air speed also reduce the burner.! 2018 - Explore Robert Stephenson 's board `` burners '' on Pinterest because the orifice may not be.! Or may not be large enough to melt brass a problem burners burn blue if the forge it! Led the industry since day 1 holes ) up by the nozzle air.! Have to thank Geoff Keyes and Christopher Price for their very helpful on... Hour to get it up to yellow heat lined with 2 inches of,. Subreddit dedicated to the design of this forge need about 1:100 fuel to air and that 's a lot air... A much hotter flame and typically only needed for getting to forge welding temps burners... It more efficient but costly, loud, and forge burner not getting enough air couple of files burner using gas! I have a double burner forge running at 7psi will reach 2100 degrees less... Tune the burner design have massive heat outputs, be incredibly well insulated and large to! Propane bottle in a pinch, BladeForums.com has led the industry since day 1 need... Second burner does single 10 inch burner using LP gas is sufficient to operate, quiet, a! Art of blacksmithing is too small for the confined space of the burner and that a...: Home / Uncategorized / how to get it to work properly 're tuyere is too rich: not air!

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