Buying coke Fier

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Buying coke Fier

Discussion in ' Furnaces and their construction ' started by Chazza , Sep 22, Log in or Sign up. The Home Foundry. Getting coke to burn. This is a hearth question not a furnace one. I have a bag of coke that was given to me decades ago. Today I tried igniting it in the hearth using a wood fire; half an hour later the wood was nearly gone and the coke was happily sitting there, untouched. I looked for my bag of charcoal but it must have been thrown out 2 years ago during the great shed re-vamp; no joy there either. Any tips from someone who uses coke? Cheers Charlie. Chazza , Sep 22, Charlie, I have not burned coke myself. But, I did find quite a few vids of blacksmiths discussing starting coke fires. Once the starter fire is going they add small amounts of coke and continue to blow air up through the fire. After that it is just a matter of continuing forced air and adding coke as needed. Melterskelter , Sep 22, Chazza likes this. Normally you use coke to start a coal forge. Coal goes around that. Light the teepee as it gets going good add in some forced air. As the coke lights and the wood burns away rake the coke into the center and start bringing the coal into the edges of the coke mix. It's a tough thing to get right. You need to get the coke hot enough to start converting some of the coal to coke and burning. Too much air too soon causes the wood fire to go out or burn too cold to light the coke and it just smokes. Not enough air the coke just smokes and never lights. I'll bet you were on the right track. Coke won't volatilize until it gets up around F. An unaided no blown in air wood firemight max out around F. So, a hair dryer or similar bellows? Last edited: Sep 23, I run a coke fueled blacksmith forge. You need a decent starting fire and lots of air to get a coke fire to become self supporting. Coke doesn't contain volatile compounds like coal so it doesn't go through pyrolisis and burn with a flame, you have to get the carbon to ignite. To establish a coke fire you need to get enough of the coke burning so that it produces not only enough heat to heat the unburnt coke but also the high volume of air from the forced induction. Without continued forced induction, a coke fire will die out in a few minutes. If your coke is damp or there is high humidity, it can be very difficult to light a coke fire because the moisture in the coke and induction air saps out too much of the heat to get it started. On rainy days, I need to build a big starting fire to get the coke to ignite, and if it is foggy then sometimes it just won't start burning. Dean , Sep 23, Very informative Dean, thank you. I think I might see if any blacksmith wants my coke and I will start digging a charcoal pit, Cheers Charlie. Chazza , Sep 23, Only uses one barrel, pretty close to smokeless, and leaves the charcoal pretty much intact. I might try it on a small scale to test it. Petee , Sep 24, Tops and Melterskelter like this. I had been researching 'stockholm tar' pine tar for use on ropes, sort of the opposite thought: catch the volatile materials instead of feeding them to the 'afterburner'. Temps are not near as hot either. Tops , Sep 24, Tops likes this. Yes, sorry for the thread jack too Charlie. My mind drew associations with all of the steel drums and wood and clay and stuff in Pete's post. Interesting in that depending how one combines the wood and metal, one can end up with so many different results- from cooking over an open fire to distillation to blast furnace. Don't mind at all chaps. I have located a good place for a pit in the garden and will start digging today, before the fire-season is upon us, Cheers Charlie. Chazza , Sep 24, There are easier ways of making charcoal. I made about gallons of it over 12 hrs by tossing in logs into a steel container half of a house oil storage drum and burning it. Piling up wood at a rate faster than it took to completely burn the wood. So the hot wood was out of reach of oxygen as it was slowly buried below more burning wood. Zapins , Sep 28, You must log in or sign up to reply here. Show Ignored Content. Share This Page Tweet. Your name or email address: Do you already have an account? No, create an account now. Yes, my password is: Forgot your password?