Protection of graphite electrodes

Details Protection of graphite electrodes Protection of graphite electrodes

C - Chemistry, Metallurgy

04

B

117/162, 6/225

C04B 41/87 (2006.01) C04B 41/50 (2006.01) C04B 41/51 (2006.01) C04B 41/88 (2006.01) H05B 7/12 (2006.01)

Patent

CA 1288202

ABSTRACT PROTECTION OF GRAPHITE ELECTRODES Protection of graphite electrodes of electric arc furnaces e.g. for steelmaking, to reduce the loss of graphite by oxidation involves contacting a hot electrode with particulate matter comprising 35 to 70% by weight of refractory filler, 20 to 40% by weight of a graphite-wetting fusible material and 10 to 25% by weight of an oxidisable metal or metalloid. The particulate matter forms an adherent coating on the side of the electrode.

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