Furnaces – With exhaust gas treatment means – Afterburning means
Patent
1981-03-13
1984-08-21
Favors, Edward G.
Furnaces
With exhaust gas treatment means
Afterburning means
110214, 431 5, 422182, F23B 500
Patent
active
044663595
ABSTRACT:
Industrial pollution is directed into an afterburner conduit. An air cooled conical bluff body positioned in the conduit near the entrance acts as a flow condensing element. A recirculation zone consists of a toroidal vortex adjacent the downstream edge of the bluff body. In the zone, flow is reversed and particles in the reversed flow are reintroduced into the afterburner flow. A ring of burners located near the midpoint of the bluff body heats the gas stream flowing past the bluff body to near auto-ignition temperature. A second ring of burners located downstream of the bluff body assists in the establishment of a stabilized flame downstream of the bluff body. Air is heated as it flows through tubes wrapped around the conduit. The heated air is introduced tangentially to the afterburner flow by air injectors positioned downstream of the bluff body and downstream of the second ring of burners.
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Huddleston Bruce C.
Weber Roy
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