Method for cooling graphite electrodes used for metal...

Details Method for cooling graphite electrodes used for metal... Method for cooling graphite electrodes used for metal...

H - Electricity

05

B

H05B 7/12 (2006.01) C21B 13/12 (2006.01) C21C 5/52 (2006.01) F27D 9/00 (2006.01) F27D 11/10 (2006.01)

Patent

CA 2186538

A method for cooling a vertical train of graphite electrodes connected to each other by using a cooling liquid sprayed onto the outer periphery surface of a graphite electrode. The graphite electrode consists of an upper portion of the graphite electrode train that penetrates through a cover enclosing an opening of an electric arc furnace with a vessel for melting and refining a metal (e.g. steel). The method is accomplished by directing the cooling liquid at the upward or downward inclination of 0 degrees to 60 degrees with respect to the horizontal and by simultaneously spraying the cooling liquid at a flow rate ranging between 0.8 liters/minute and 40 liters/minute.

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