Title:
METHOD FOR PRODUCING IRON ORE PELLET
Document Type and Number:
WIPO Patent Application WO/2024/047951
Kind Code:
A1
Abstract:
Provided is a method for producing a pellet, the method being capable of suppressing green pellet bursting. This method for producing an iron ore pellet comprises: a crushing step for obtaining ore powder by crushing iron ore having an iron content of 63 mass% or less. The volatile content of the iron ore is 3.3 mass% or greater. The iron ore powder has a cumulative 90% diameter in the grain size distribution by volume of 150 μm or less and a grain size distribution index based on the harmonic mean diameter of 14,700 to 510,000.
Inventors:
FUJIWARA SHOHEI (JP)
NAKAMURA NAOTO (JP)
HORITA KENYA (JP)
TAKEHARA KENTA (JP)
IWAMI YUJI (JP)
HIGUCHI TAKAHIDE (JP)
NAKAMURA NAOTO (JP)
HORITA KENYA (JP)
TAKEHARA KENTA (JP)
IWAMI YUJI (JP)
HIGUCHI TAKAHIDE (JP)
Application Number:
PCT/JP2023/017634
Publication Date:
March 07, 2024
Filing Date:
May 10, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C22B1/14; C22B1/16
Domestic Patent References:
| WO2009119291A1 | 2009-10-01 | |||
| WO2018181942A1 | 2018-10-04 |
Foreign References:
| JPS49115919A | 1974-11-06 | |||
| JPS6237325A | 1987-02-18 | |||
| CN107541598A | 2018-01-05 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
Download PDF: