Title:
COLD CRUCIBLE INDUCTION MELTING FURNACE
Document Type and Number:
Japanese Patent JP2001183067
Kind Code:
A
Abstract:
To provide a cold crucible induction melting furnace which can prevent the adhesion of a solidified material to the vicinity of the lower end of a tapping nozzle even when tapping is made.
In the cold crucible induction melting furnace in which a crucible constituted in a water-cooled copper segment structure is set up in a melting coil and, at the same time, a tapping nozzle constituted in a water-cooled copper segment structure is set up on the bottom of the crucible and the tapping coil is put around the nozzle, a refractory-made sleeve is installed to the nozzle. It is recommended to use graphite, Y2O3, CaO, or ZrO2 as the material of the sleeve.
Inventors:
NINAGAWA SHINGO
NAGAO MOTOHIRO
SODO TATSUHIKO
NAGAO MOTOHIRO
SODO TATSUHIKO
Application Number:
JP36547599A
Publication Date:
July 06, 2001
Filing Date:
December 22, 1999
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
F27B14/18; F27B14/14; H05B6/24; (IPC1-7): F27B14/18; H05B6/24
Attorney, Agent or Firm:
Etsushi Kotani (1 person outside)