Radiant tube

Details Radiant tube Radiant tube

1990-05-17

1992-07-07

Jones, Larry

Combustion

Flame holder having protective flame enclosing or flame...

126 91A, 126 91R, F23D 1446

Patent

active

051278260

ABSTRACT:
A single ended radiant tube for furnace heating has four concentric tubes (10, 12, 14, 16). Fuel gas is fed through tube (16) and combustion air through the space between tubes (12, 14). Flame and combustion products flow first in the same direction as the gas and air and then reverse at the end of tube (12) to flow in the opposite direction between that and tube (10). The combustion air is caused to flow in a helical pattern by the provision of helix (36) so as to provide an extended flow path for better heat transfer.

REFERENCES:
patent: 3177865 (1965-04-01), Jones et al.
patent: 4474120 (1984-10-01), Adrian et al.
patent: 4493309 (1985-01-01), Wedge et al.

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