Fuel jet method and apparatus for pulverized coal burner

Details Fuel jet method and apparatus for pulverized coal burner Fuel jet method and apparatus for pulverized coal burner

1983-12-12

1985-05-07

Yuen, Henry C.

Furnaces

Process

Burning pulverized fuel

110262, 110263, 110264, F23K 500

Patent

active

045150940

ABSTRACT:
There are the primary fuel nozzle for jetting the first coal in the fine powder form with an air ratio up to 1, and the secondary fuel nozzle for jetting the second coal in the fine powder form with an air ratio at least 1 from the outer circumferential portion of the primary fuel nozzle. Swirl means are located at the top of the secondary fuel nozzle for swirling the second coal.

REFERENCES:
patent: 1910735 (1933-05-01), Zikesch
patent: 2738776 (1956-03-01), Burg
patent: 2979000 (1961-04-01), Sifrin et al.
patent: 4147116 (1979-04-01), Graybill
patent: 4206712 (1980-06-01), Vatsky
patent: 4333405 (1982-06-01), Michelfelder et al.
patent: 4367686 (1983-01-01), Adrian
patent: 4377978 (1983-03-01), Eusner
patent: 4422389 (1983-12-01), Schroder
patent: 4428309 (1984-01-01), Chang
patent: 4438709 (1984-03-01), Bono et al.

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