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Sintered Ore Production Method

Abstract: This sintered ore production method is for producing sintered ore using a Dwight-Lloyd type sintering machine that progresses sintering through downward suction and that includes an ignition furnace that performs initial ignition and a reignition furnace that performs reignition and that is located apart from the ignition furnace by a predetermined interval on the downstream side thereof. In the method, as a coagulation agent for raw materials to be blended, a low-combustion carbon material having a combustion start temperature of higher than 550°C and a high-combustion carbon material having a combustion start temperature of not higher than 550°C are used, and, in the high-combustion carbon material, the proportion of particles having a size of 2.8 mm or greater is 30-80 mass%.

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Patent Information

Application #
Filing Date
06 June 2025
Publication Number
27/2025
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application

Applicants

NIPPON STEEL CORPORATION
6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Inventors

1. MATSUMURA Masaru
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
2. KATAYAMA Kazuaki
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
3. NAGATA Junji
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
4. MAENO Kyota
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Specification

Documents

Application Documents

# Name Date
1 202517054855-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [06-06-2025(online)].pdf 2025-06-06
2 202517054855-STATEMENT OF UNDERTAKING (FORM 3) [06-06-2025(online)].pdf 2025-06-06
3 202517054855-REQUEST FOR EXAMINATION (FORM-18) [06-06-2025(online)].pdf 2025-06-06
4 202517054855-PROOF OF RIGHT [06-06-2025(online)].pdf 2025-06-06
5 202517054855-PRIORITY DOCUMENTS [06-06-2025(online)].pdf 2025-06-06
6 202517054855-POWER OF AUTHORITY [06-06-2025(online)].pdf 2025-06-06
7 202517054855-FORM 18 [06-06-2025(online)].pdf 2025-06-06
8 202517054855-FORM 1 [06-06-2025(online)].pdf 2025-06-06
9 202517054855-DRAWINGS [06-06-2025(online)].pdf 2025-06-06
10 202517054855-DECLARATION OF INVENTORSHIP (FORM 5) [06-06-2025(online)].pdf 2025-06-06
11 202517054855-COMPLETE SPECIFICATION [06-06-2025(online)].pdf 2025-06-06
12 202517054855-FORM-26 [11-06-2025(online)].pdf 2025-06-11
13 202517054855-FORM 3 [31-07-2025(online)].pdf 2025-07-31