Process and apparatus for indirect-fired heating and drying

Combustion – Process of combustion or burner operation – Flame shaping – or distributing components in combustion zone

Reexamination Certificate

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Details

C431S011000, C034S108000, C034S110000

Reexamination Certificate

active

06877979

ABSTRACT:
A method for heating flat or curved surfaces comprising injecting fuel and oxidant along the length, width or longitudinal side of a combustion space formed between two flat or curved plates, transferring heat from the combustion products via convection and radiation to the surface being heated on to the material being dried/heated, and recirculating at least 20% of the combustion products to the root of the flame.

REFERENCES:
patent: 3452967 (1969-07-01), Durand
patent: 4562655 (1986-01-01), Bosshart et al.
patent: 4677773 (1987-07-01), Kamberg
patent: 4688335 (1987-08-01), Krill et al.
patent: 4693015 (1987-09-01), Hemsath et al.
patent: 5416979 (1995-05-01), Joiner
patent: 5553391 (1996-09-01), Bakalar
patent: 5791065 (1998-08-01), Gamble et al.
patent: 5842285 (1998-12-01), van der Veen
patent: 5966835 (1999-10-01), Bakalar
patent: 6560893 (2003-05-01), Bakalar
patent: WO 9945196 (1999-10-01), None

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