C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/149
C25B 9/00 (2006.01) C25B 11/00 (2006.01) C25C 3/06 (2006.01) C25C 7/00 (2006.01)
Patent
CA 1177442
A B S T R A C T Transverse reduction cells for producing aluminum and con- nected in series are such that the direct electric current leaves the cathode bar ends of one cell and passes to the long side of the anode beam of the next cell via so-called risers. Cells (18) in need of repair are replaced in that first the riser conductor bars (22) are bridged over using a short circuiting device, separated and disconnected along with all other supply lines. With the help of at least four rollers (56,58,62) on the steel shell, the electrolytic cell (18) can be removed from the row of cells without changing level, loaded onto a low level transporter (34) which can run the full length of the pot room, and moved to the cell repair shop (46). Concrete foundation slabs (12,44,50) can be cast on the levelled ground of the pot room. Only a relatively small amount of the floor need be dug up for the somewhat lower concrete slab flooring (14) for the transporter (34). I-beam sections (16) are embedded in the upper concrete slabs (12, 44,50) and such that their running surface (38) is at the same level (36) as the cell transporter (34). - 1 -
407278
Marcoux & Sher Swabey Mitchell Houle
Swiss Aluminium Ltd.
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