Melting and refining furnace for cold iron source and method of operating melting and refining furnace
AssigneeTaiyo Nippon Sanso Corporation
InventorsYoshiyuki Hagihara, Yasuyuki Yamamoto, Naoki Seino
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Abstract
One object of the present invention is to improve efficiency at the time of operation of a melting and refining furnace of a cold iron source using an oxygen burner lance, and the present invention provides a melting and refining furnace comprising a through-hole provided through a furnace wall, one or more oxygen burner lances provided in the through-hole: and a thermometer which is configured to measure a temperature in the furnace, the oxygen burner lance has one or more openings communicating with the inside of the furnace, and the thermometer is provided in any one of the openings.
Claims7
A melting and refining furnace comprising an oxygen burner lance which is configured to eject a combustion-supporting fluid containing oxygen and a fuel fluid toward a cold iron source in the furnace,
- wherein the melting and refining furnace further comprises:
- a through-hole provided through a furnace wall;
- one or more oxygen burner lances provided in the through-hole;
- and
- a thermometer which is configured to measure a temperature in the furnace,
- the oxygen burner lance has one or more openings communicating with the inside of the furnace, and the thermometer is provided in any one of the openings,
- wherein one or more combustion-supporting fluid supply holes which are configured to supply a combustion-supporting fluid containing oxygen for secondary combustion into the furnace is provided through the furnace wall above the through-hole, and
- wherein one or more carbon source supply holes which are configured to supply a carbon source into the furnace is provided through the furnace wall below the through-hole.
Dependencies are inferred from the claim text.