Port wall air jet for controlling combustion air

Details Port wall air jet for controlling combustion air Port wall air jet for controlling combustion air

1983-07-05

1985-01-29

Camby, John J.

Heating

Processes of heating or heater operation

Of heating a fluid

432180, 432181, F24H 700, F27D 1700

Patent

active

044963157

ABSTRACT:
In a multiport combustion furnace having a plurality of firing ports in undivided communication with a common source of combustion gas or air, the invention provides a method and apparatus for selective control of combustion air flow into one or more of the ports. A small quantity of pressurized gas, e.g. air, is injected, e.g. by way of a flow control pipe in an individual port, generally along the flow path of combustion air through the port to alter the amount of combustion air flowing into the port for mixing with fuel. Combustion air is increased by injecting air cocurrent with the combustion air flow to induce additional flow into the port. Combustion air is decreased by injecting air countercurrent to the flow to impede flow through the port.

REFERENCES:
patent: 1422858 (1922-07-01), Heilman
patent: 1446666 (1923-02-01), Schulmeyer et al.
patent: 4375235 (1983-03-01), Tsai
patent: 4375236 (1983-03-01), Tsai
Pincus, Alexis G., "Combustion Melting in the Glass Industry", The Glass Industry, 1980, pp. 180-184.

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