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Using a Stirling engine in conjunction with a wood gasification boiler to produce electricity

Post in 'The Green Room' started by aline, Jan 3, 2011.

  1. aline

    aline New Member

    Joined:
    Jan 29, 2010
    Messages:
    1
    Loc:
    Northern VA
    I'm preparing to install a wood gasification boiler and thought perhaps I could interface a Stirling engine to my boiler or flu exhaust as the 'hot' source and use the Stirling engine to produce mechanical energy to drive an electric generator. People seem to be commercially producing Stirling engines now in various sizes/configurations. Producing electricity is a secondary priority for me but crossed my mind as a way to use waste heat in a constructive way.

    Interested in any thoughts or experiences.

    A few related sources of info but none are exactly what I'm looking for...

    http://www.eco-nex.com/22.html
    http://www.coolenergyinc.com/wasteheat.html
    http://www.alternative-energy-guide.com/articles/stirling/whispergen_stirling_engine.htm
    http://www.whispergen.com/main/technology/

    Thanks,
    Aric

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  2. Dune

    Dune Minister of Fire

    Joined:
    Jan 14, 2008
    Messages:
    2,765
    Loc:
    Commonwealth Of Massachussetts
    Yeah, if you happen to find exactly what you are looking for let us know.

    Meanwhile, you may want to consider a wood gas producer, coupled to a traditional water cooled generator. The internal combustion engine can run on wood gas, the waste heat from the engine cooling system can heat your house, and your electricity is "free". The best part is, you can actualy buy the components to do this.
  3. benjamin

    benjamin Minister of Fire

    Joined:
    Nov 7, 2009
    Messages:
    695
    Loc:
    SW WI
    http://www.sunpower.com/index.php

    These guys built a small stirling engine linear alternator that I saw fired with wood at the Midwest Renewable Energy Fair a few years ago (maybe 12-15?)

    It seemed simple and robust enough, but then they had a crew of engineers keeping the thing running. I don't think it ever went commercial, or even close.

    It sure would have been nice if they could have made it practical.
  4. peakbagger

    peakbagger Minister of Fire

    Joined:
    Jul 11, 2008
    Messages:
    1,563
    Loc:
    Northern NH

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