C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/209
C25C 3/08 (2006.01) C25C 3/12 (2006.01) C25C 7/00 (2006.01) C25C 7/02 (2006.01) H05B 7/085 (2006.01)
Patent
CA 2033296
ABSTRACT Title: Plug for sealing the recesses for anode rods in anode blocks during the calcination process The subject is a plug 1 for sealing the recesses 2, which are designed to hold anode rods in anode blocks 3, wherein said anode blocks 3 are intended for the electrolytic extraction of base metals during their calcination treatment. The proposed plug 1 is characterized by the fact that it is die-formed and composed of material containing cellulose. This provides a very close seal for anode openings 2. Coke granules, which are inserted as fill material to displace oxygen in gaps between the several anode blocks 3 within a calcining furnace, cannot enter said anode openings 2. Undesirable conglutination inside said anode openings 2 and burning of the anode openings 3 (sic), causes by the unavoidable presence of some oxygen residue during the calcination process, can no longer occur. Because of the great solidity of said plug 1, deformatious of said recesses 2 in the lower rows of anode blocks 3 in the calcining furnace are prevented. At the conclusion of the calcination process, after said anode openings 2 are precipitation- hardened, the cellulose containing plugs 1 are carbonized, whereby the coal or ashes remaining in said recesses 2 can be removed by vacuuming without any difficulty in a subsequent operation.
Fetherstonhaugh & Co.
Jusufbegovic Sukrija
LandOfFree
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