Premix burner system for low BTU gas fuel

Details Premix burner system for low BTU gas fuel Premix burner system for low BTU gas fuel

1979-04-06

1981-08-04

Lowrance, George E.

Combustion

Fuel disperser installed in furnace

Furnace heated feed line section

431171, 431186, 431187, 431188, 431189, F23C 508, F23C 506, F23C 700, F23D 1700

Patent

active

042819830

ABSTRACT:
A premix-type gaseous fuel burning system for alternate or simultaneous combustion of low BTU gas and normal BTU gas comprises a gas supply means for providing both high BTU gas and low BTU gas at selected substantial velocity, and a burner tube for receiving said gas, whereby primary air is inducted into the burner tube and mixed with the gas flow. A burner head comprises a long narrow rectangular structure of tapered construction that is inserted upwardly into a corresponding rectangular opening in the floor of the furnace. The opening is also tapered in the same direction as the burner head, but with a selected annular spacing between the walls of the opening and the burner head. Means are provided for vertically adjusting the position of the burner head within the opening. Secondary combustion air is directed through the annular space between the burner head and the opening in the floor of a furnace.

REFERENCES:
patent: 1349971 (1920-08-01), McDonald
patent: 1679830 (1928-08-01), Lang
patent: 1874341 (1932-08-01), Osthoff
patent: 1921152 (1933-08-01), Caldwoll
patent: 2190768 (1940-02-01), Bryant
patent: 2498162 (1950-02-01), Heller
patent: 2499556 (1950-03-01), Zink
patent: 2512319 (1950-06-01), Ferguson
patent: 2851092 (1958-09-01), McKee
patent: 3771944 (1973-11-01), Hovis
patent: 3779690 (1973-12-01), Rossow

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