Premixing burner for producing hot gas

Details Premixing burner for producing hot gas Premixing burner for producing hot gas

1990-04-19

1992-07-07

Price, Carl D.

Combustion

Process of combustion or burner operation

Flame shaping, or distributing components in combustion zone

431 8, 431 9, 431350, 431115, 431182, 431183, 431351, 431352, F23C 500

Patent

active

051278219

ABSTRACT:
In a premixing burner, which consists of two hollow partial conical bodies (1, 2), which are positioned on one another and have a cone inclination increasing in the direction of flow, the fuel feed takes place via central fuel nozzle (3) and/or via a plurality of fuel nozzles (17), which are placed along the inflow of the combustion air (15) into the interior (14) of the burner. The combustion air (15) itself is a mixture of fresh air and exhaust gas. The fresh air is led up via a first flow funnel (23a, 23b ) and exhaust gas recirculation takes place via a second flow funnel (22a, 22b). These two gases mix with one another before flowing tangentially into the interior (14). An optimum, homogenous fuel concentration over the cross-section arises in the region of the return flow zone (6).

REFERENCES:
patent: 2881719 (1959-04-01), Sifrin
patent: 3012402 (1961-12-01), Probert et al.
patent: 3868211 (1975-02-01), Haye et al.
patent: 4023921 (1977-05-01), Anson
patent: 4781030 (1988-11-01), Hellat et al.
patent: 4815966 (1989-03-01), Janssen
patent: 4932861 (1990-06-01), Keller et al.

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