Auxiliary burner for electric furnace

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11293694
APP PUB NO 20190249922A1
SERIAL NO

16342413

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is an auxiliary burner for an electric furnace that has high iron scrap heating effect by appropriately and efficiently burning a solid fuel such as coal together with a gas fuel. An auxiliary burner for an electric furnace 100 has a structure in which a solid fuel injection tube 1, a gas fuel injection tube 2, and a combustion-supporting gas injection tube 3 are coaxially arranged in order from the center. The front end of the solid fuel injection tube 1 is located inside the gas fuel injection tube 2 to form, between the front end of the solid fuel injection tube 1 and the front end of the gas fuel injection tube 2, a first space 4 for solid fuel and gas fuel premixing surrounded by the front end portion of the gas fuel injection tube 2.

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Patent Owner(s)

Patent OwnerAddress
JFE STEEL CORPORATIONTOKYO 100-0011

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miwa, Yoshihiro Tokyo, JP 20 25
Ozawa, Sumito Tokyo, JP 9 28
Sumi, Ikuhiro Tokyo, JP 10 6
Tsutsumi, Koichi Tokyo, JP 31 78

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