Arrangement for burning fuels in a narrow combustion space

Details Arrangement for burning fuels in a narrow combustion space Arrangement for burning fuels in a narrow combustion space

1989-06-29

1990-12-25

Yeung, James C.

Combustion

Combustion products return structure

Recirculation about mixing or combustion chamber wall or baffle

431284, 431188, 431182, F23L 900

Patent

active

049798944

ABSTRACT:
A burner for burning gaseous and/or liquid fuels in a combustion space (5), through the face (3) of which an oil lance (12) and/or several gas lances (13 and 14) extend. The oil lance and at least some of the gas lances are surrounded by an air pipe (4) that supplies primary air with its outer surface demarcating a flue-gas recirculation channel that opens toward the combustion space and surrounded by a source of secondary air. The air pipe and the source of secondary air extend into the combustion space. The air pipe is surrounded inside the combustion space by a baffle (20) that is axially separated from the face of the combustion space. Some of the gas lances surround the air pipe and are mounted on a sector with a diameter that is shorter than the longest diameter of the baffle.

REFERENCES:
patent: 4162140 (1979-07-01), Reed
patent: 4380429 (1983-04-01), Lahaye et al.
patent: 4575332 (1986-03-01), Oppenberg

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