Burner with toroidal-cyclone flow for boiler with liquid and gas

Details Burner with toroidal-cyclone flow for boiler with liquid and gas Burner with toroidal-cyclone flow for boiler with liquid and gas

1990-12-20

1992-02-04

Dority, Carroll B.

Combustion

Burner having electrical heater or igniter

Spark electrode in front of or adjacent fuel discharger

431115, 431183, F23Q 300

Patent

active

050855778

ABSTRACT:
A burner is of generally tubular configuration, and comprises an inner shell and an outer shell. The inner shell has therein a nozzle, an ignition electrode, and a sight tube. An annular gap is provided between the two shells, through which a comburant-gas flows to an annular, inwardly directed and constricted discharge opening, with swirl blades upstream of the discharge opening. A comburant-gas supply passes through openings in the inner shell upstream of a baffle which is positioned transversely of the inner shell, and which has radial slots therein inclined to the plane of the baffle to cause swirling of comburant-gas passing through the slots in the baffle. A toroidal-cyclone combustion zone is created due to the slots in the baffle creating a swirling downstream flow downstream of the baffle, and the inwardly directed annular and constricted opening, which aspirates comburant-gas which has passed through the baffle.

REFERENCES:
patent: 3385527 (1968-05-01), Drewry
patent: 4561841 (1985-12-01), Korenyi

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