Preheating method in a continuous furnace

Details Preheating method in a continuous furnace Preheating method in a continuous furnace

1999-06-24

2000-08-15

Ferensic, Denise L.

Heating

Processes of heating or heater operation

Continous strip, strand or web passed longitudinally through...

432148, 432149, 432152, 432 72, 432 59, F27B 928

Patent

active

06102693&

ABSTRACT:
In order to prevent air pollution, gases evaporated from articles preheated in a preheating chamber of a continuous furnace are automatically and compulsorily sucked into a high-temperature chamber annexed to the preheating chamber by creating a negative pressure working in the high-temperature chamber. After the gases have been completely oxidized and decomposed in the high-temperature chamber at a high temperature and under an excess of oxygen, they are exhausted outside of the furnace via an exhaust-pipe extending through the preheating chamber, so that they join to heat the preheating chamber.

REFERENCES:
patent: 3923449 (1975-12-01), Brock
patent: 4132007 (1979-01-01), Voorheis
patent: 4133636 (1979-01-01), Flynn
patent: 4290749 (1981-09-01), de Muinck
patent: 4789332 (1988-12-01), Ramsey et al.
patent: 4878839 (1989-11-01), Wunning
patent: 5291670 (1994-03-01), Surra et al.
patent: 5458485 (1995-10-01), Righetti

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