Wood burning system and method

Power plants – Combustion products used as motive fluid – Using special fuel or oxidizer

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60736, F02C 326

Patent

active

044097867

ABSTRACT:
A system and method provides for burning wood particles or other combustible fibrous particles at a continuous high rate in which the particles are at least partially pyrolyzed as they are being fed into a combustion chamber, complete combustion of the particles and pyrolysis products occuring within the combustion chamber. Pyrolysis is enabled by mixing the particles with air having a temperature of at least 600.degree. F. The system enables the burning of green wood in existing large boiler systems as well as in gas turbine systems; the latter operatable with a high pressure combustion chamber. In a boiler system, air for pyrolysis of the particles may be heated by the boiler, in a turbine system, air for pyrolysis of the particles may be heated by a compressor driven by a turbine.

REFERENCES:
patent: 2148981 (1939-02-01), Dundas et al.
patent: 2171535 (1939-09-01), Berg et al.
patent: 2625791 (1953-01-01), Yellott
patent: 2735266 (1956-02-01), Atherton
patent: 2949010 (1966-08-01), Cederquist
patent: 3252435 (1966-05-01), Bogot et al.
patent: 4090455 (1978-05-01), McCartney
patent: 4152890 (1979-05-01), Weiland

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