PIG IRON-PRODUCING METHOD AND IRON ORE MATERIAL
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 18, 2024
app pub date -
Jun 21, 2021
filing date -
Jun 8, 2021
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A method for producing pig iron using a blast furnace comprising a tuyere, the method including: charging a first layer containing an iron ore material and a second layer containing coke alternately in the blast furnace; and reducing and melting the iron ore material in the stacked first layer while injecting an auxiliary reductant into the blast furnace by hot air blown from the tuyere, in which: the iron ore material contains a plurality of reduced iron molded products obtained by compression molding reduced iron; the reduced iron molded product is in a rectangular shape chamfered in a plan view, having on both faces a bulge resulting from a center portion being thicker than a peripheral portion; and a length ratio of a longer side to a shorter side of the reduced iron molded product in the plan view is less than or equal to 1.5.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully