Combustion – Fuel disperser installed in furnace – Plural feed means extending to common wall opening of furnace
Patent
1985-09-09
1987-08-11
Bennet, Henry A.
Combustion
Fuel disperser installed in furnace
Plural feed means extending to common wall opening of furnace
431190, 431354, F23M 900
Patent
active
046858822
ABSTRACT:
A burner especially adapted for use with pulverized fuel slurries, such as pulverized coal-water slurries. The burner has an atomizing nozzle which disperses the slurry in the form of multiple, diverging spray cones issuing from a corresponding number of atomizing orifices. Each orifice is formed by a central atomizing air flow. The slurry is brought into contact with the air flow and is atomized thereby. Before the atomized air flow is discharged, it is enveloped by a rotating auxiliary air flow and constricted to generate a venturi effect which facilitates the formation of the diverging, cone-shaped discharge pattern. A combustion air spinner surrounds the nozzle and is constructed of multiple vanes which have circularly arcuate shapes and a length, in the direction of the air flow, which is least proximate the nozzle and greatest at the periphery of the vanes. This assures an even combustion air flow rate over the entire radial extent of the spinner.
REFERENCES:
patent: 4473185 (1984-09-01), Peterson et al.
Binasik Chester S.
Londerville Steve B.
Bennet Henry A.
Coen Company, Inc.
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