TAPPING DEVICE FOR MELTING FURNACE

Title:

TAPPING DEVICE FOR MELTING FURNACE

Document Type and Number:

Japanese Patent JP2005003286

Kind Code:

A

Abstract:

To provide a tapping device for a melting furnace capable of safely and easily discharging molten metal.

A water-cooled type induction heating coil 191 is arranged outside a furnace body in the periphery of a molten metal flow passage 111 of a discharge cylinder 100, which is provided in a furnace wall, and an air-cooled type induction heating coil 192 is arranged inside the furnace body. These induction heating coils 191 and 192 are arranged in the periphery of the molten metal flow passage 111 in the range over from a far position to a close position, as close as possible, in relation to inside the furnace body 2. A graphite electrode 200 on the molten metal flow passage 111 of the discharge cylinder 100 is installed, and the molten metal flow passage 111 is heated by induction heating of the induction heating coils 191 and 192.

Inventors:

OURA TAKESHI
ISHIJIMA TAKEO
MACHIDA KEISHIN
YAMASHITA SHIGEAKI

Application Number:

JP2003167942A

Publication Date:

January 06, 2005

Filing Date:

June 12, 2003

Export Citation:

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Assignee:

NISSEI LTD
JFE ENG KK

International Classes:

H05B6/04; F23J1/08; F27B3/19; F27D3/14; F27D11/06; H05B6/42; (IPC1-7): F27B3/19; F23J1/08; F27D3/14; F27D11/06; H05B6/04; H05B6/42

Attorney, Agent or Firm:

Hajime Sakai
Masahiro Kurai

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