Closed loop fuel feed system for multiple direct fired burners

Furnaces – With control means responsive to a sensed condition – Feed control

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110106, 110232, F23N 518

Patent

active

044896646

ABSTRACT:
A closed loop fuel feeding system for multiple direct fired burners in which a conduit system associated with a fuel grinding mill forms a closed loop for conducting the flow of fuel and air back to the mill in excess of the fuel and air not released from the conduit system to burners, ambient air inlet for admitting sufficient air to replace the air released with the fuel from the system, a back pressure configuration to assure uniform fuel to air density when released from the conduit system, and controls to regulate the rate of fuel supply with the rate of grinding and the quantity of air admitted to complete a combustible mixture of fuel and air.

REFERENCES:
patent: 1875934 (1932-09-01), Sancton
patent: 2172731 (1939-09-01), Dickey
patent: 2439721 (1948-04-01), Dickey
patent: 4184640 (1980-01-01), Williams
patent: 4226371 (1980-10-01), Williams
patent: 4332207 (1982-06-01), Blaskowski et al.

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