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Title:
METHOD FOR ADJUSTING MELTING-REFINING FURNACE AND MELTING-REFINING FURNACE
Document Type and Number:
WIPO Patent Application WO/2019/064433
Kind Code:
A1
Abstract:
The present invention addresses the problem of improving efficiency when using an oxygen burner-lance to operate a melting-refining furnace for cold iron sources or during refining, and provides a method for operating a melting-refining furnace provided with: a through hole provided passing through a furnace wall; one or more burners provided in the through hole; and one or more lances installed in a combustion-supporting fluid supply hole provided at a higher position than the through hole for the burners, wherein the amount of oxygen introduced in a melting process is in a range calculated from the volume of the furnace.

Inventors:
HAGIHARA Yoshiyuki (3-26 Koyama 1-chome, Shinagawa-k, Tokyo 58, 〒1428558, JP)
YAMAMOTO Yasuyuki (3-26 Koyama 1-chome, Shinagawa-k, Tokyo 58, 〒1428558, JP)
SEINO Naoki (3-26 Koyama 1-chome, Shinagawa-k, Tokyo 58, 〒1428558, JP)
Application Number:
JP2017/035235
Publication Date:
April 04, 2019
Filing Date:
September 28, 2017
Export Citation:
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Assignee:
TAIYO NIPPON SANSO CORPORATION (3-26, Koyama 1-chome Shinagawa-k, Tokyo 58, 〒1428558, JP)
International Classes:
C21C5/52; C21B13/12; C21C5/46; F27B3/08; F27B3/20; F27B3/22; F27D3/16
Foreign References:
JP2011509394A2011-03-24
JP2008039362A2008-02-21
US6229838B12001-05-08
JPH11293326A1999-10-26
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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