Furnace Technology
Combustion of fuel in a furnace with oxygen enriched air results in higher

Flame temperature
Stack loss
Flue gas volume
Fuel consumption

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Furnace Technology
Which is not accomplished in an underfired furnace?

Portection of the periphery of the charge from excessive radiation
Reduction in the temperature of furnace gases
Elimination of cold spot at the bottom of the charge
Increase in heating capacity/m² of floor space

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