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Title:
撮像装置付きバーナー、該バーナーを備える電気炉、及び、該電気炉を用いた溶鉄の製造方法
Document Type and Number:
Japanese Patent JP7347675
Kind Code:
B2
Abstract:
To clearly observe the inside of a furnace where an object is heated by a burner. The burner includes: a lens; an imaging device; and a multiple pipe structure including: an inner pipe that surrounds the lens; an outer pipe that surrounds the inner pipe, separated from the inner pipe by a lens coolant passage; a gaseous fuel pipe radially outward of the outer pipe and operable to inject gaseous fuel; a combustion-supporting gas pipe radially outward of the outer pipe and operable to inject combustion-supporting gas; and a cooling pipe outermost in the multiple pipe structure that surrounds the gaseous fuel pipe and the combustion-supporting gas pipe.

Inventors:
Yoshihiro Miwa
Koichi Tsutsumi
Goro Okuyama
Application Number:
JP2022533235A
Publication Date:
September 20, 2023
Filing Date:
January 27, 2022
Export Citation:
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Assignee:
JFE Steel Corporation
International Classes:
F23D14/22; C21B11/10; C21C5/52; F23D14/78; F23D99/00; F23M11/04; F27B3/20; F27D21/02
Domestic Patent References:
JP5039078U
JP61000718Y2
JP50036299B1
Foreign References:
CN105043123A
WO2016120943A1
WO2018074166A1
WO2006035570A1
WO2014007153A1
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Keisuke Kawahara
Sahoko Ito