Stoves and furnaces – Stoves – Heating
Patent
1986-09-04
1988-03-15
Focarino, Margaret A.
Stoves and furnaces
Stoves
Heating
431 7, 431215, 431328, 432209, F24C 300
Patent
active
047305991
ABSTRACT:
A gas-fired radiant tube that employs heterogeneous catalytic combustion, and a high combustion efficiency, low NO.sub.x catalytic combustion radiant tube heating system, incorporating the radiant tube, are disclosed. In the system, essentially mirror image, combined inlet/exhaust units containing heat regenerator units are connected at opposite ends of the catalytic combustion tube. Combustion flow is cycled back and forth through the units and the combustion tube so that during any given cycle the hot exhaust gases heat the regenerator in the exhaust side of the flow for preheating the inlet gases during the next, reversed flow cycle and the natural gas fuel is completely oxidized. Thus, the cycled flow completely consumes the fuel and constantly preheats inlet air so that the sytem provides both high combustion efficiency and high thermal efficiency.
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Kendall Robert M.
Kesselring John P.
Lannutti John J.
Lukasiewicz Michael A.
Schreiber Richard J.
Focarino Margaret A.
Gas Research Institute
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