Procedure for supplying combustion air and a furnace therefor

Details Procedure for supplying combustion air and a furnace therefor Procedure for supplying combustion air and a furnace therefor

1992-02-03

1993-09-07

Favors, Edward G.

Furnaces

Process

Supplying fluid

110204, 110205, 110206, 110298, 110300, 110303, F23L 100, F23L 900

Patent

active

052419169

ABSTRACT:
The procedure for supplying combustion air during grate firings, in which the primary combustion air is introduced into the fuel, and secondary combustion air is introduced directly into the flow of exhaust gas, and in which, in addition, some of the exhaust gas is tapped off from the flow of exhaust gas and returned to the combustion process, includes the withdrawal of exhaust gas directly above the fuel in the area where there is a large quantity of unused primary air, and the delivery of this exhaust gas that has been tapped off to the combustion air, the quantity of which is reduced according to the quantity of exhaust gas that is mixed with it.

REFERENCES:
patent: 3473331 (1969-10-01), Fernandes
patent: 4056068 (1977-11-01), Hafeli

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