Homemade gasification furnace

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Wade

Member
Hearth Supporter
Sep 23, 2008
51
Manitoba
Have been reading this forum lately and thought i would seek some feedback of my own. I am building a wood boiler, because my old, smokey OWB has sprung more leaks than a watering can. I dont feel like doing another repair job in -30 celsius again like last year. Water and a deep freeze dont make for good company.
We put a 3200 gallon steel tank in an insulated building and then insulated the tank again for extra heat savings. Inside the tank I put a cleaver brooks boiler with the outer shell cut off at strategic areas. The 3200 steel tank basically becomes the boilers storage tank. This is going to be a non pressurized system so no worries about going boom in the middle of the night.
On the front of the big tank we built a forced downdraft gasification burner, which fires it 2000+ F flame via a 3 foot refractory lined chamber into the cleaver brooks. The majority of the stove is lined with refractory to keep temps up inside and down outside.
It has 2 air inlets, one for primary combustion and one for the gasification chamber. All the air is preheated and moved with a 550 cfm blower at the exhaust outlet. Cooler there i hope.
Is there any thing else i should be considering before we bolt this thing together and fire her up? Any info would be appreciated.
 
Hoo boy. Any reason you didn't just use the tank as a pressurized external?

Pressure relief valves. Pressure test the whole shootin match. Where did you get the gasifier?

Sounds like fun- can't wait to see it.
 
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