Title:
FURNACE BOTTOM ELECTRODE STRUCTURE OF ELECTRIC MELTING FURNACE
Document Type and Number:
Japanese Patent JP3504979
Kind Code:
B2
Abstract:
PURPOSE: To make it possible to be free from any requirements for construction accuracy and prevent molten steel from leaking by way of a furnace bottom electrode with regards to furnace bottom electrode structure of an electric melting furnace (DC arc furnace) which is used when melting a molten item, such as burnt residue (incinerated ashes) or soot (fly ash) generated by the incineration of domestic wastes or industrial wastes.
CONSTITUTION: A furnace bottom electrode 1 consists of an upper layer refractory material 2, a conducting material 3, a lower layer refractory material 4 and a collector plate 5. A plurality of conducting materials 3, which are especially provided with bottom pieces 6 and vertical pieces 7 where each bottom piece forms a series of bottoms, are incorporated into the upper layer refractory material 2.
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Inventors:
Masahide Nishigaki
Ryoji Samejima
Kotaro Kato
Suenobu Kawabe
Ryoji Samejima
Kotaro Kato
Suenobu Kawabe
Application Number:
JP22749394A
Publication Date:
March 08, 2004
Filing Date:
September 22, 1994
Export Citation:
Assignee:
Takuma Co., Ltd.
Takuma Research Institute Co., Ltd.
Takuma Research Institute Co., Ltd.
International Classes:
H05B7/06; F27B3/08; F27B3/20; F27D11/08; (IPC1-7): F27D11/08; F27B3/08; F27B3/20; H05B7/06
Domestic Patent References:
| JP604787A | ||||
| JP60253786A | ||||
| JP829061A | ||||
| JP212195U |
Attorney, Agent or Firm:
Takeo Sugimoto