TWI858647B - 粒鐵礦之製造方法 - Google Patents

粒鐵礦之製造方法 Download PDF

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Publication number
TWI858647B
TWI858647B TW112113232A TW112113232A TWI858647B TW I858647 B TWI858647 B TW I858647B TW 112113232 A TW112113232 A TW 112113232A TW 112113232 A TW112113232 A TW 112113232A TW I858647 B TWI858647 B TW I858647B
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TW
Taiwan
Prior art keywords
iron
molten iron
iron ore
dephosphorization
concentration
Prior art date
Application number
TW112113232A
Other languages
English (en)
Chinese (zh)
Other versions
TW202344694A (zh
Inventor
杉野智裕
中瀬憲治
小笠原太
川畑涼
Original Assignee
日商Ｊｆｅ鋼鐵股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日商Ｊｆｅ鋼鐵股份有限公司 filed Critical 日商Ｊｆｅ鋼鐵股份有限公司
Publication of TW202344694A publication Critical patent/TW202344694A/zh
Application granted granted Critical
Publication of TWI858647B publication Critical patent/TWI858647B/zh

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
TW112113232A 2022-04-22 2023-04-10 粒鐵礦之製造方法 TWI858647B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022070747 2022-04-22
JP2022-070747 2022-04-22

Publications (2)

Publication Number Publication Date
TW202344694A TW202344694A (zh) 2023-11-16
TWI858647B true TWI858647B (zh) 2024-10-11

Family

ID=88420043

Family Applications (1)

Application Number Title Priority Date Filing Date
TW112113232A TWI858647B (zh) 2022-04-22 2023-04-10 粒鐵礦之製造方法

Country Status (5)

Country Link
US (1) US20250243554A1 (enrdf_load_stackoverflow)
JP (1) JP7666615B2 (enrdf_load_stackoverflow)
AU (1) AU2023255850A1 (enrdf_load_stackoverflow)
TW (1) TWI858647B (enrdf_load_stackoverflow)
WO (1) WO2023204071A1 (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5439357A (en) * 1977-09-02 1979-03-26 Hitachi Ltd Continuous production method of steel pellet
JP2011144431A (ja) * 2010-01-15 2011-07-28 Kobe Steel Ltd 極低りん鋼溶製のための脱りん方法
CN105420490A (zh) * 2015-11-25 2016-03-23 内蒙古科技大学 一种对转炉渣进行脱磷的方法
TW201833336A (zh) * 2017-02-15 2018-09-16 日商新日鐵住金股份有限公司 脫磷處理裝置及使用其之熔融生鐵的脫磷方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491996B1 (enrdf_load_stackoverflow) * 1970-02-04 1974-01-17
JPS5785905A (en) * 1980-11-14 1982-05-28 Sumitomo Metal Ind Ltd Spray medium for production of metallic powder
JPH01252753A (ja) * 1988-03-31 1989-10-09 Kawasaki Steel Corp ステンレス鋼母溶湯の溶製方法並びに溶製用の反応容器底部羽口配列及び底部羽口
JP7247934B2 (ja) * 2020-03-31 2023-03-29 Ｊｆｅスチール株式会社 粒鉄製造装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5439357A (en) * 1977-09-02 1979-03-26 Hitachi Ltd Continuous production method of steel pellet
JP2011144431A (ja) * 2010-01-15 2011-07-28 Kobe Steel Ltd 極低りん鋼溶製のための脱りん方法
CN105420490A (zh) * 2015-11-25 2016-03-23 内蒙古科技大学 一种对转炉渣进行脱磷的方法
TW201833336A (zh) * 2017-02-15 2018-09-16 日商新日鐵住金股份有限公司 脫磷處理裝置及使用其之熔融生鐵的脫磷方法

Also Published As

Publication number Publication date
TW202344694A (zh) 2023-11-16
US20250243554A1 (en) 2025-07-31
WO2023204071A1 (ja) 2023-10-26
AU2023255850A1 (en) 2024-10-24
JPWO2023204071A1 (enrdf_load_stackoverflow) 2023-10-26
JP7666615B2 (ja) 2025-04-22

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