Ground flare stack

Details Ground flare stack Ground flare stack

1977-05-09

1979-02-20

Cohan, Alan

Combustion

Process of combustion or burner operation

Burning waste gas, e.g., furnace gas, etc.

431202, 431 61, F23C 108, F23C 904

Patent

active

041404718

ABSTRACT:
A ground flare stack is described having a plurality of stages for combustion to accommodate various quantities of combustible waste gas, the stack having a dished base of gravel with a central combustion chamber with an enlarged opening at the bottom for entrance of air to support combustion, the central combustion chamber having an enlargement at its upper end with a converging discharge, a plurality of stages of combustion being provided within the chamber, the central combustion chamber being surrounded by a stack in spaced relation with a converging portion disposed around the combustion chamber enlargement and a cylindrical stack thereabove, with a diode to prevent downflow through the cylindrical stack, an acoustical and wind shielding fence being around the bottom of the stack permitting air to be supplied to the bottom of the stack and of the combustion chamber, additional stages of combustion being provided outwardly of the upper end of the central combustion chamber.

REFERENCES:
patent: 3033273 (1962-05-01), Zink
patent: 3730673 (1973-05-01), Straitz
patent: 3754869 (1973-08-01), Van Raden
patent: 3779689 (1973-12-01), Reed
patent: 3852023 (1974-12-01), Itoh
patent: 3885919 (1975-05-01), Pillard
patent: 3954386 (1976-05-01), Harpenslager
patent: 3994671 (1976-11-01), Straitz

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