Gasifier Burner/Research Development

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Gasifier Burner
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Main > Energy > Biofuel

Study of Industry Standards

Design Criteria

The gasifier should be designed in such a way that it can satisfy a specific set of use cases. These use cases should consider the availability of three products produced by the gasification process, namely Heat, Ash or char and combustible gases.

Use of excess heat:

  • heat air in a shelter
  • dry fuel for the gasifier

Use of ash and char:

Use of combustible gases:

  • Steam Generator
  • Power Cube
  • Truck
  • Car
  • Kiln


Unit should be available in both portable and fixed arrangements. portable configurations should enable vehicle (trailer?) mounting. reactor module design could be impacted. Will refractory cement handle the jostling around?


A good design should allow for flexibility in design variability without loosing compatibility between the various components. This need may be more pronounced during development. modules include:

  • fuel bin
    • different Sizes
    • Autoloading? (designed with this in mind not necessarily needed)
  • reactor core and ash collection
    • variability in configuration depending on feedstock
    • hearth material may vary depending on portability
  • cyclone filter
  • gas cooler
  • filters
  • manifold for gas delivery (optional)
  • flare


How large a generator should this unit supply? A gasifier operating above designed capacity can cause damage to the reaction chamber and grate and operating significantly below capacity can lead to high tar production, the most difficult problem facing engines ran on producer gas.

Other Considerations

ability to interface with:

  • screw type ash cleanout
  • auto fuel loader


Build and design documents

Ben's gasifier - not open source, though

Conversation with Ben Hansen

  • Ben is building a 40 kW gasifier CHP system, and may be interested in a steam engine
  • Packed bed, downdraft:
  • Modified fluidyne gasifier.
  • Doug Williams – fluidyne gasifier -
  • Fab shop in Viroqua – friend of Ben – Roger Tullifson, Tollifson repair– did a heat exchanger for diesel exhaust.
  • Dig up solenoid valves contact – some open source people
  • The Gasifier Experimenters Kit (GEK) Wiki

GEK Gasifier powering a Car


Prototype I - Larry Dobson's Roundy


See Also

GEK Gasifier powering a 6 hp combustion engine

See Also

Useful Links

  • [5] paper on development of gasifier designed to run on fecal matter

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