Heating – With means diluting – purifying or burning exhaust gases
Patent
1992-01-16
1992-11-10
Yuen, Henry C.
Heating
With means diluting, purifying or burning exhaust gases
110211, 110212, F23J 1500, F23B 500
Patent
active
051619660
ABSTRACT:
In a method and apparatus for cleaning a gas flow that carries oxidizable pollutants in varying concentrations, the temperature within the combustion apparatus is maintained substantially constant by admixing controllable proportions of the gas to be cleaned and/or fresh air to the combustion flow. However, admixing prior to introducing the gas to be cleaned into the combustion flow is avoided by performing the admixing at a location near the exit end of a flue gas mixing pipe. This mixing location permits maintaining the combustion chamber temperature constant or at its rated level while simultaneously keeping the temperature of the flow control device at acceptable levels. The flue gas mixing pipe is arranged downstream and coaxially with a burner so that the admixing takes place after the combustion or carrier flow has already passed the burner at the entrance to the combustion chamber.
REFERENCES:
patent: 3898040 (1975-08-01), Tabak
patent: 3947235 (1976-03-01), Bornet
patent: 4038032 (1977-07-01), Brewer et al.
patent: 4098567 (1978-07-01), Hubbert
patent: 4771707 (1988-09-01), Robson et al.
patent: 4951579 (1990-08-01), Bell
Fasse W. G.
H. Krantz GmbH & Co.
Yuen Henry C.
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