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Title:
FURNACE BODY PROTECTION STAVE
Document Type and Number:
WIPO Patent Application WO/2018/037957
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide, as a furnace body protection stave to be set in the inner wall of the furnace body of a blast furnace, etc., a furnace body protection stave with which the probability of leakage of cooling water can be reduced, and prolonging of service life can be achieved by preventing stave damage. Such a furnace body protection stave has a structure in which steel piping 3 is incorporated in grooves 2 provided on the extra-furnace surface 1a or the intra-furnace surface 1b of a copper stave body 1 and the grooves 2 of the stave body 1 are bonded to the piping 3 with a hard brazing material 4, thereby forming water channels for cooling the stave body in the stave body 1.

Inventors:
KUSUMOTO Hisao (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chome, Chiyoda-k, Tokyo 11, 〒1000011, JP)
OGATA Kiyoshi (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chome, Chiyoda-k, Tokyo 11, 〒1000011, JP)
IDA Masaru (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chome, Chiyoda-k, Tokyo 11, 〒1000011, JP)
KIKUCHI Katsunori (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chome, Chiyoda-k, Tokyo 11, 〒1000011, JP)
Application Number:
JP2017/029275
Publication Date:
March 01, 2018
Filing Date:
August 14, 2017
Export Citation:
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Assignee:
JFE STEEL CORPORATION (2-3 Uchisaiwai-cho 2-chome, Chiyoda-ku Tokyo, 11, 〒1000011, JP)
International Classes:
C21B7/10; F27B1/24; F27D1/12
Domestic Patent References:
WO2007118752A12007-10-25
Foreign References:
JP2007308747A2007-11-29
JPS5074519A1975-06-19
Attorney, Agent or Firm:
GINZA MARONIE P.C. (Kobikikan Ginza Bldg, 8-9 Ginza 2-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
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