Metallurgical apparatus – Process
Reexamination Certificate
2004-04-07
2009-06-02
Kastler, Scott (Department: 1793)
Metallurgical apparatus
Process
C266S252000
Reexamination Certificate
active
07540992
ABSTRACT:
The invention relates to a method for controlling the homogeneity of the temperature of metallurgical products (B) in a reheating furnace (5) fitted with lateral burners. According to said method, the lateral burners are operated by on/off control, and the operating time and the down time of each burner is regulated in order to obtain the desired temperature. Inshot burners (1-4) are used as the lateral burners. Said burners are operated either at a speed which is close to the maximum speed or at the maximum speed, and the ignition order of the burners (1-4) is selected in such a way as to stimulate the stirring and circulation of the fumes in order to reduce the hot spot of the flame and to improve the homogeneity of the temperature of the walls of the furnace and the products.
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patent: 5545031 (1996-08-01), Joshi et al.
patent: 5554022 (1996-09-01), Nabors, Jr. et al.
patent: 5639233 (1997-06-01), Ruark et al.
patent: 6334770 (2002-01-01), Giraud et al.
patent: 0 675 325 (1995-10-01), None
patent: 2 794 132 (2000-12-01), None
Connolly Bove & Lodge & Hutz LLP
Fives Stein
Kastler Scott
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