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Application

2001121994/02, 2001-08-06

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Start date

2001-08-06

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Actual filing date

2001-08-06

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Published

2002-10-20

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Inventor

Nechaev G.P.Lukin N.A.Zazulin A.I.Zheltukhin Ju.I.Kaev S.E.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Aljuminievyj Zavod"

LINING OF CATHODE CASING OF ALUMINUM CELL Russian patent published in 2002 - IPC

Abstract RU 2191223 C1

FIELD: non-ferrous metallurgy, namely constructions of cells for producing aluminum. SUBSTANCE: lining includes carbon blocks, two protective layers between which are arranged: refractory material layer and heat insulation layer. Lower protective layer consists of horizontally laid steel sheet placed between quartz-sand layers. Thickness of each layer of quartz sand is (10-15)mm; upper protective layer is also made of quartz sand. Such design allows to eliminate penetration of fluorides into heat insulation of lining. EFFECT: enhanced operational parameters, increased useful life period of cell. 3 cl, 1 dwg

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RU 2 191 223 C1

Authors

Nechaev G.P.

Lukin N.A.

Zazulin A.I.

Zheltukhin Ju.I.

Kaev S.E.

Dates

2002-10-20—Published

2001-08-06—Filed

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