Homemade Used Oil Burning Furnace
In slow pyrolysis gases are released from dry biomass as it s heated in the absence of oxygen.
Homemade used oil burning furnace. This video shows the build of a gravity fed drip waste oil burner this is the one of the simplest design for maximum heat and flexibility the concept behind this burner is that oil does not burn but the fumes it gives off when the oil is boiling the deeper the pan the harder is it to maintain an efficient boil a cast iron pan maintains the higher temperature the best and does not threaten. Even before i started melting metal with propane i dreamt about building a burner that cleanly burned used or waste oil i got interested after seeing an old article from mother earth news magazine about a homemade heating stove that burned waste motor oil. Waste oil heaters are capable of burning new oil waste oil vegetable oil and transmission fluid while generating clean heat. Materials list an old or new wood stove.
A guy like me is big on recycling earth friendliness and saving money. We needed a system that could reliably burn pyrolysis oil a coproduct of our slow pyrolysis method of biochar production. I recommend using an air tight stove with a secondary burn a 2 piece of 1 5 black iron pipe if you don t have a welder then one end of that pipe will need to be threaded and a black iron 45 will need to be used with a short 1 5 black iron nipple. At living web farms our end goal was a machine not limited to the use of waste motor oils or even used vegetable oils.
For my oil source my buddy 8217 s give me their old oil and there is a mexican restaurant that i can get waste oil from when i need it. To start it i pour cup of kerosene in the primary burner and light it with a torch then turn the oil drip on to about 5 drips per second and adjust it accordingly after it heats up. The blower is turned on low and restricted to limit the airflow and the oil added till the metal burn chamber gets hot and vaporises the oil. Https goo gl 1m56i5 this is a simple diy project.
From there the oil and fuel can be opened up a the thing can be run flat out. A small amount of starting fluid is put in the burner or it can be started with a bunch of old rag or some burning sticks. As an added fire precaution the bottom of the stove is then filled with sand.