Organic waste fuel combustion system integrated with a gas turbi

Details Organic waste fuel combustion system integrated with a gas turbi Organic waste fuel combustion system integrated with a gas turbi

1990-02-22

1990-09-18

Favors, Edward G.

Furnaces

Combined

With boiler

60 3912, 122 1R, 122 2, 122 7R, F23B 700

Patent

active

049570498

ABSTRACT:
The invention comprising an organic waste fuel combustion and tempering gas flow control system integrated with a gas turbine combined cycle steam generating plant. The gas turbine exhaust, wherein the oxygen content is partially consumed is used to dry and support combustion of an organic fuel high in moisture content after said fuel has been dewatered and pelletized. A portion of the gas turbine exhaust gas stream dries the pelletized waste fuel while a parallel portion of the gas turbine hot gas stream is used to support combustion and furnish oxygen in the ignition zone of the pelletized waste combustor. The drying stream also tempers secondary combustion gas temperature. The two gas streams are combined downstream of the combustion zone. The regenerated combined stream is then utilized in a steam generating section to generate steam. The gas turbine exhaust flow provides the mass flow and heat required for drying and combusting the pelletized waste fuel and the heat input from the pellet firing system regenerates the gas turbine exhaust gas stream. The pellet combustion process is maintained at temperature levels which avoid formation of deleterious products of combustion during the incineration process.

REFERENCES:
patent: 4506631 (1985-03-01), Phong-Anant
patent: 4745868 (1988-05-01), Seabury
patent: 4875436 (1989-10-01), Smith et al.

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