Combustion – Incandescing or reflecting component – e.g. – reigniting hot... – Flame sweeps dished incandescing surface
Patent
1976-02-09
1977-08-30
Favors, Edward G.
Combustion
Incandescing or reflecting component, e.g., reigniting hot...
Flame sweeps dished incandescing surface
431347, 239403, F23D 1312
Patent
active
040451607
ABSTRACT:
A fuel gas burner adapted for mounting in a heat treating furnace and for generating a relatively large expanse of radiant energy toward an object to be heated or heat treated. The burner has a housing with separate inlets for fuel gas and air and an air plenum with a forwardly facing throat. Surrounding the plenum throat is a combustion block formed of refractory material shaped to define a forwardly-facing frusto-conical heat radiating surface. A central fuel gas supply tube coaxial with the plenum throat has a nozzle element and a cooperating distributor mounted on its forward end to define with the plenum throat an annular air passage and a fuel gas chamber communicating with the supply tube. The nozzle element has radially extending circumferential vanes that define with the plenum throat, swirl producing slots adapted to receive air from the plenum chamber through the annular passage and fuel gas through ports communicating with the fuel gas chamber. The resulting fuel-air mixture which has a swirling motion imparted by the slots is ignited and propelled radially outward against the frusto-conical surface of the combustion block to produce a generally flat-flame. This produces a relatively large expanse of heat radiation directed toward the area to be heated.
REFERENCES:
patent: 2247768 (1941-07-01), Huwyler
patent: 2474313 (1949-06-01), Hess
patent: 2806521 (1957-09-01), Blaha
patent: 3212554 (1965-10-01), Blaha
patent: 3368605 (1968-02-01), Reed
Favors Edward G.
Jones Larry
Lee Wilson Engineering Company, Inc.
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