Recycle burner system

Details Recycle burner system Recycle burner system

1976-02-09

1977-10-25

Dost, Gerald A.

Metallurgical apparatus

With means to preheat gas

266156, 266200, 266901, F27B 322

Patent

active

040553345

ABSTRACT:
A reverberatory furnace which has an external passage for recycling hot exhaust gases from the furnace chamber back to the main burner port, means for introducing additional air or oxygen into the recycling passage, and a main burner which supplies fuel plus up to 50 percent of the air or oxygen required for total combustion into the furnace chamber so that the air or oxygen added to the recycling passage is thereby preheated by the exhaust gases and mixes with the fuel-rich mixture from the burner to provide complete combustion of the exhaust gases while simultaneously reducing the cost of the fuel requirement because of the preheating effect of the exhaust gases on the additional supply of air or oxygen.

REFERENCES:
patent: 2092145 (1937-09-01), Wanner
patent: 2264740 (1941-12-01), Brown
patent: 3933343 (1976-01-01), Rawlings

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