Patent
1976-12-28
1978-10-24
Envall, Jr., R. N.
H05B 709
Patent
active
041222946
ABSTRACT:
The method of forming a self-baking electrode consists of filling an electrode mass under pressure into a permanent current-carrying shell during melting in an electric furnace. The electrode mass is fed, according to the invention, in compliance with data obtained by continuous measuring of the temperature of the electrode being formed at several points along its height and in its cross-section, at a rate which is proportional to that of the electrode coking, shifting and burning-off.
The device for realizing said method, comprises a charge-loading passage which is made in the form of a pipe, a permanent current-carrying mould communicating with a mass-feeding passage having presses fitted over it, an electrode drive mechanism and thermoelements for measuring the temperature of an electrode being shaped. According to the invention, the mass-feeding passage is formed by pipes arranged around said charge-loading pipe and secured to said electrode drive mechanism, said mass-feeding pipes each accommodating an individual press.
REFERENCES:
patent: 1442033 (1923-01-01), Sem et al.
patent: 3524004 (1970-08-01), Van Nostran et al.
patent: 3619465 (1971-11-01), Cavigli
patent: 3624261 (1971-11-01), Cavigli
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