Method of operating a firing installation

Details Method of operating a firing installation Method of operating a firing installation

1990-11-29

1992-09-15

Price, Carl D.

Combustion

Process of combustion or burner operation

Heating feed

431 4, 431 9, 431115, 431215, 431217, F23C 900

Patent

active

051472007

ABSTRACT:
In a firing installation, fresh air (6) is drawn in and mixed with a fraction of flue gases (7), which are taken from the combustion chamber (1), by means of a fan (5) which acts outside of the casing of the firing installation. The fresh air/flue gas mixture (8) thus formed flows on its way to the combustion chamber (1) through a first heat exchanger (2a) whose caloric preparation is accomplished by the flue gases (7) fed in. In the combustion chamber (1) itself, this mixture flows through a heat exchanger (2) placed there. Before the mixture (9) thus preheated is fed as combustion air to a burner (4), it undergoes a further mixing with flue gases via a number of jet injectors (3), which further increases the temperature of this combustion air (10), with an optimized flue gas fraction.

REFERENCES:
patent: 3174526 (1965-03-01), von Linde
patent: 4932861 (1990-06-01), Keller et al.

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