Annular nozzle burner and method of operation

Details Annular nozzle burner and method of operation Annular nozzle burner and method of operation

1986-02-11

1988-03-22

Scott, Samuel

Furnaces

Process

Burning pulverized fuel

110263, 110265, 431 8, 431187, 431284, F23D 104

Patent

active

047320931

ABSTRACT:
A method and apparatus for burning fuel in an annular-nozzle burner wherein a compact flame is generated by inhibiting the dispersion of fuel particles and concentrating the fuel particles in a primary combustion area having a high rate of radiant heat transfer between the fuel particles by maintaining a sufficiently high velocity of the fuel particles and causing them to undergo esentially linear flow in a direction substantially parallel to the axis of the burner.

REFERENCES:
patent: 2360548 (1944-10-01), Conway
patent: 3894834 (1975-07-01), Estes
patent: 3989443 (1976-11-01), Campbell
patent: 4373900 (1983-02-01), Ecklemann
patent: 4428727 (1984-01-01), Duessner et al.
patent: 4480559 (1984-11-01), Blaskowski
patent: 4523530 (1985-06-01), Kaminaka et al.
"Influence of Physical Factors in Igniting Pulverized Coal" from Combustion, Mar. 1955, pp. 52-61.

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