Firing of pulverized solvent refined coal

Details Firing of pulverized solvent refined coal Firing of pulverized solvent refined coal

1984-02-27

1990-05-15

Yuen, Henry C.

Furnaces

Including fluid fuel burner

Powdered solid fuel

110106, 110262, 110264, 110265, F23D 102

Patent

active

049247840

ABSTRACT:
A burner for the firing of pulverized solvent refined coal is constructed and operated such that the solvent refined coal can be fired successfully without any performance limitations and without the coking of the solvent refined coal on the burner components. The burner is provided with a tangential inlet of primary air and pulverized fuel, a vaned diffusion swirler for the mixture of primary air and fuel, a center water-cooled conical diffuser shielding the incoming fuel from the heat radiation from the flame and deflecting the primary air and fuel steam into the secondary air, and a watercooled annulus located between the primary air and secondary air flows.

REFERENCES:
patent: 1726870 (1929-09-01), Trent
patent: 2096765 (1937-10-01), Saha
patent: 2738776 (1956-03-01), Burg
patent: 2744742 (1956-05-01), Lord
patent: 3299841 (1967-01-01), Hemker et al.
patent: 3589315 (1971-06-01), Hart
patent: 4147116 (1979-04-01), Graybill
patent: 4221174 (1980-09-01), Smith et al.
patent: 4321034 (1982-03-01), Taccone
patent: 4333405 (1982-06-01), Michelfelder et al.
patent: 4350103 (1982-09-01), Poll

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