Waste Oil Furnace For Melting Metal

Step 6: Too Hot

It is pictured idling here with a small but sustainable flame. I had to turn it down because within 15 minutes the threaded brass plug and the exhaust nipple began to glow red hot on full throttle. This leads me to believe the entire contraption is bound to self destruct as it reaches the melting point of both brass and cast iron. For this reason my next combustion chamber will be all refractory material incorporating the same pre-heated stainless steel shot glass to vaporize the oil. For now I will use this contraption until my self-destruction prediction comes true.

Comments

[rudolphdiesel]

"who knows when" self destruct device.

[etopsirhc]

watch out when it self destructs , u dont want to be around when a molten metal bomb explodes XD

[Jimmy Proton]

That wouldn't get hot enough to melt iron.

[ticoun]

never use homemade refractory with a waste oil burner, because it will melt down pretty fast and turn into glass. if you plan to make a waste oil burner, you must make your furnace with a commercial refractory hotface that's rated for at least iron melting temperatures.

[Benson1]

couldn't you make one out of bricks?

[rjeblogue]

Yes..but it might take more heat to melt your metal if your bricks are absorbing the heat rather than reflecting it. The homemade refractory material has things like Perlite that have insulation properties.They do make special refractory furnace bricks or you could even use the homemade refractory material and mold your own bricks.

[Benson1]

yeah what he said.