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Patent Searching and Data


Title:
ELECTRIC ARC FURNACE
Document Type and Number:
WIPO Patent Application WO2006089971
Kind Code:
A3
Abstract:
An electric arc furnace (10) has an outer shell (12) and an inner refractory lining (24). During its operation the electric arc furnace (10) contains a bath (28) of molten metal which has a minimum and a maximum operational level (32). An inner cooling ring (23) of copper slabs (20), which are in thermo-conductive contact with the inner refractory lining (24) and equipped with spray cooling means (22), is mounted to the outer shell (12) in the region (34) between the minimum and the maximum operational level (32).

Inventors:
LONARDI EMILE (LU)
ROTH JEAN-LUC (FR)
TOCKERT PAUL (LU)
Application Number:
EP2006060337W
Publication Date:
November 23, 2006
Filing Date:
February 28, 2006
Export Citation:
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Assignee:
WURTH PAUL SA (LU)
LONARDI EMILE (LU)
ROTH JEAN-LUC (FR)
TOCKERT PAUL (LU)
International Classes:
F27D1/12; C21B13/12; F27B3/24
Foreign References:
EP0603979A11994-06-29
EP0044512A11982-01-27
EP0694733A11996-01-31
EP0740121A11996-10-30
US20040194940A12004-10-07
Other References:
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 18 5 June 2001 (2001-06-05)
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 12 25 December 1997 (1997-12-25)
PATENT ABSTRACTS OF JAPAN vol. 001, no. 084 (C - 022) 6 August 1977 (1977-08-06)
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