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.
Homemade used oil burning furnace.
This is an affordable option for many especially those that want to heat their workshop without wasting other materials in the process.
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.
A guy like me is big on recycling earth friendliness and saving money.
In slow pyrolysis gases are released from dry biomass as it s heated in the absence of oxygen.
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.
You can make this waste oil burner for very little money and it is very easy to install.
Materials list an old or new wood stove.
Https goo gl 1m56i5 this is a simple diy project.
Waste oil heaters are capable of burning new oil waste oil vegetable oil and transmission fluid while generating clean heat.
At living web farms our end goal was a machine not limited to the use of waste motor oils or even used vegetable oils.
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.
We needed a system that could reliably burn pyrolysis oil a coproduct of our slow pyrolysis method of biochar production.
The completed furnace s burner assembly is filled with crushed asbestos or an asbestos brick.
From there the oil and fuel can be opened up a the thing can be run flat out.
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.