FIELD: manufacturing technology.
SUBSTANCE: invention relates to a cathode hearth, a method for its production and use of this hearth in an electrolysis cell for aluminum production. Cathode hearth includes at least two cathode blocks and/or at least one cathode block and at least one side brick, which are located at a distance from each other, wherein gap is filled with pre-compressed graphite sheet consisting of thermally expanded graphite and intercalation graphite compound. Disclosed is a method of making a cathode hearth and use thereof in an electrolysis cell for producing aluminum.
EFFECT: enabling compensation of deformation behavior of the electrolysis cell by providing a seal.
10 cl, 4 dwg, 2 ex
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