Blast furnace, blast furnace operation methods and tuyeres

TW202639868APending Publication Date: 2026-10-01NIPPON STEEL CORPORATION
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Patent Information

Application Number
TW114141809
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-03-27
Filing Date
2025-10-29
Publication Date
2026-10-01

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Abstract

A method for operating a blast furnace is described, wherein the blast furnace has a tuyer, the tuyer has a tuyer body, a gaseous reducing material injection lance and a solid reducing material injection lance, the tuyer body has a hot air flow path, the gaseous reducing material injection lance has an outlet in the hot air flow path, and the solid reducing material injection lance passes through the tuyer body.
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