Gasifier Burner/Research Development: Difference between revisions

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{{Category=Biofuel}}
{{Category=Biofuel}}


=Overview=
=Study of Industry Standards=


*See also [[Industry Standard Pellet Burners]] - not necessarily gasifier burners
*Wayne Keith and list of open gasifiers - [http://www.driveonwood.com/library/free-gasifier-plans/]


== 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:
*soil amendments
*lye production for:(ash may have to much carbon for quality lye production)
**soap products
**lye stabilized earth
**Feedstock for [[Open Source Lye Production Apparatus]]
Use of combustible gases:
*Steam Generator
*Power Cube
*Truck
*Car
*Kiln
=== Portability ===
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?
=== Modularity ===
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
===Capability===
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


=Research=
=Research=
*Gasifier construction set: [http://allpowerlabs.org/gasification/gek/index.html]
*Gasifier construction set: [http://allpowerlabs.org/gasification/gek/index.html]
*Mike Koch's gasifier, U. Missouri, Columbia, 2008 Capstone Project, Mechanical Engineering: [http://openfarmtech.org/BiomassGasifier.ppt]
*Mike Koch's gasifier, U. Missouri, Columbia, 2008 Capstone Project, Mechanical Engineering: [http://openfarmtech.org/BiomassGasifier.ppt]
*[[:File: Proof_of_Concept_Pyrolysis_System_Design-Final_Report.pdf‎|Pyrolysis System Design- 2012 Report, Concordia University]]
*A gasifier can also be used to make [[biochar]]. Here are some simple design examples for charcoal/biochar-producing biomass gasifiers:  
*A gasifier can also be used to make [[biochar]]. Here are some simple design examples for charcoal/biochar-producing biomass gasifiers:  
**[http://www.repp.org/discussiongroups/resources/stoves/English/bigtop.htm 50 kilowatt wood pellet gasifier]
**[http://www.repp.org/discussiongroups/resources/stoves/English/bigtop.htm 50 kilowatt wood pellet gasifier]
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**Folke Günther's design: [http://www.holon.se/folke/carbon/simplechar/simplechar.shtml "the simplest of the simple - a two-barrel charcoal retort"]
**Folke Günther's design: [http://www.holon.se/folke/carbon/simplechar/simplechar.shtml "the simplest of the simple - a two-barrel charcoal retort"]
**[http://www.hedon.info/TheTurboWood-gasStove Tom Reed's TurboStove]
**[http://www.hedon.info/TheTurboWood-gasStove Tom Reed's TurboStove]
==Build and design documents==
*[http://www.soilandhealth.org/03sov/0302hsted/fema.woodgas.pdf FEMA Gasifier Plans](PDF)
*[http://www.soilandhealth.org/copyform.aspx?bookcode=030224 Producer Gas for Motor Vehicles](PDF and registration)
*[http://taylor.ifas.ufl.edu/documents/Handbook_of_Biomass_Downdraft_Gasifier_Engine_Systems.pdf Handbook of Biomass Downdraft Gasifier Engine Systems](PDF)


[[File:gasifierben.jpg|450px|right|thumb|Ben's gasifier - not open source, though]]
[[File:gasifierben.jpg|450px|right|thumb|Ben's gasifier - not open source, though]]
==Conversation with Ben Hansen==
==Conversation with Ben Hansen==
*Ben is building a 40 kW gasifier CHP system, and may be interested in a steam engine
*Ben is building a 40 kW gasifier CHP system, and may be interested in a steam engine
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</html>
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=Prototypes=
==Prototype I - Larry Dobson's Roundy==
[[Gasifier_Burner_with_Heat_Exchanger_Prototype_I]]


=See Also=
=See Also=
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*[[Biochar]]
*[[Biochar]]
*[[Micro-Gasification]]
*[[Micro-Gasification]]
*[http://www.adaptivearc.com Proprietary Trash Gasifier]


=Useful Links=
*Bioenergylists - SMEs and systems - [http://gasifiers.bioenergylists.org/types]
*[https://www.youtube.com/watch?v=8YieLQOmbR0 Youtube Video Advertizing Pofessional Looking Gassifier + Book on How to Make it + Way to Controll Generator syngas intake Automaticaly]
*[https://www.instructables.com/id/Building-the-GEK-Gasifier-in-seven-parts/ This] instructable for an older version of the GEK gassifier (open source?)


*[https://mountainscholar.org/bitstream/handle/10217/183895/Flagge_colostate_0053N_14258.pdf?sequence=1] paper on development of gasifier designed to run on fecal matter
{{GVCS Footer}}
{{GVCS Footer}}

Latest revision as of 22:16, 20 December 2019


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


Portability

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?

Modularity

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

Capability

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

Research

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 - http://www.fluidynenz.250x.com/
  • 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

Prototypes

Prototype I - Larry Dobson's Roundy

Gasifier_Burner_with_Heat_Exchanger_Prototype_I

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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