Downdraft channel biomass gasifier

Details Downdraft channel biomass gasifier Downdraft channel biomass gasifier

1982-05-24

1984-06-05

Bashore, Jr., S. Leon

Gas: heating and illuminating

Generators

Retort

48 63, 48 76, 48113, 110229, 110255, C10J 320

Patent

active

044526113

ABSTRACT:
A downdraft channel gasifier for the efficient conversion of biomass materials to usable heat energy, which includes at least two generally triangularly shaped air ducts positioned longitudinally across an enclosed housing defining a combustion chamber. The air ducts have sloping sides which downwardly converge towards one another to define at least one open-botton V-shaped channel, the sloping sides primarily supporting the biomass fuel which will be combusted to derive producer gas. The air ducts are hollow and are in fluid communication with a high pressure air source at one end, and with the gasification chamber through air jet openings near their apexes. The high pressure air exits out air jet openings along the top edges of the air ducts, providing primary air for gasification of the biomass in the channels. The producer gas passes down between the channels and horizontally to an exit.

REFERENCES:
patent: 3710449 (1973-01-01), Rathbun
patent: 4235024 (1980-11-01), Chauvin et al.
patent: 4388082 (1983-06-01), Guttman et al.

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