Combined burner and lance apparatus for electric arc furnaces

F - Mech Eng,Light,Heat,Weapons – 27 – B

Patent

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Details

F27B 3/22 (2006.01) C21C 5/46 (2006.01) C21C 5/52 (2006.01) F23D 14/22 (2006.01) F27B 3/20 (2006.01)

Patent

CA 2711421

Process and apparatus for melting raw material in an electric arc furnace using a flame of variable direction, the apparatus comprising a burner and a lance whereby the lance outlet (31) opening and the burner outlet opening (21) are not concentric and are located at a distance from one another, and whereby the lance axis (32) forms an angle with the burner axis (22) in the range from 10° to 40.

L'invention concerne un processus et un appareil destinés à faire fondre de la matière première dans un four à arc électrique à l'aide d'une flamme de direction variable, l'appareil comprenant un brûleur et une lance, l'ouverture (31) de sortie de la lance et l'ouverture (21) de sortie du brûleur n'étant pas concentriques et étant situées à une certaine distance l'une de l'autre, et l'axe (32) de la lance formant avec l'axe (22) du brûleur un angle compris entre 10° et 40°.

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