Cement for collector bar-carbon block joints of electrolytic...

Details Cement for collector bar-carbon block joints of electrolytic... Cement for collector bar-carbon block joints of electrolytic...

H - Electricity

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H01B 1/04 (2006.01) C01B 31/00 (2006.01) C04B 37/00 (2006.01) C25C 3/16 (2006.01) H01B 1/20 (2006.01)

Patent

CA 1278675

- 1 - Abstract: A cement for collector bar-carbon block joints of electrolytic cells, particularly for cells used for the production of aluminum. The cement comprises an aggregate of calcined anthracite or an anthracite/graphite mixture, a settable liquid polymeric binder and a curing agent for causing the binder to set. The cement is formulated so that it has a linear shrinkage of about 0.3 to 1.5% when exposed to the operating temperatures of the cell. The cement maintains a good electrical connection between the collector bar and carbon block without causing cracking of the block or of the cement.

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