Pre-mix flame type burner

Details Pre-mix flame type burner Pre-mix flame type burner

1996-04-08

2000-06-20

Jones, Larry

Combustion

Flame holder having protective flame enclosing or flame...

Tubular member delineates flame

431329, 431346, 431328, 126109, 126116R, F23D 1482

Patent

active

RE0367435

ABSTRACT:
A burner for burning a combustible gas comprising fuel gas and air that has been mixed before being supplied to the burner. The burner has a flame holder [concavely] axially and radially recessed into a flame outlet. The [concave] configuration of the flame holder focuses the individual flames on the combustion surface toward a central location where the individual flames interact with and reinforce one another in a direction axial to the burner. Thus very little heat is transmitted directly from the burner in a direction normal to the burner axis. This characteristic of the burner allows it to be used to fire a flue type heat exchangers where the walls of the heat exchanger are very close to the burner without excessive temperatures being produced in the heat exchanger walls adjacent the burner.

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American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. Dec. 1992 Ashrae Heating, Ventilating and Air-Conditioning Systems and Equipment Handbook, 15.1-15.3 (Atlanta) Dec. 1992.

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