KR102105353B1 - 용선의 탈린제, 정련제 및 탈린 방법 - Google Patents

용선의 탈린제, 정련제 및 탈린 방법 Download PDF

Info

Publication number
KR102105353B1
KR102105353B1 KR1020187002603A KR20187002603A KR102105353B1 KR 102105353 B1 KR102105353 B1 KR 102105353B1 KR 1020187002603 A KR1020187002603 A KR 1020187002603A KR 20187002603 A KR20187002603 A KR 20187002603A KR 102105353 B1 KR102105353 B1 KR 102105353B1
Authority
KR
South Korea
Prior art keywords
dephosphorization
mass
molten iron
cao
slag
Prior art date
Application number
KR1020187002603A
Other languages
English (en)
Korean (ko)
Other versions
KR20180021167A (ko
Inventor
쇼헤이 가키모토
유지 노자키
요시아키 곤다
아키히토 기요세
나오키 후루카와
Original Assignee
닛폰세이테츠 가부시키가이샤
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 닛폰세이테츠 가부시키가이샤 filed Critical 닛폰세이테츠 가부시키가이샤
Publication of KR20180021167A publication Critical patent/KR20180021167A/ko
Application granted granted Critical
Publication of KR102105353B1 publication Critical patent/KR102105353B1/ko

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • C21C1/02Dephosphorising or desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • C21C1/02Dephosphorising or desulfurising
    • C21C1/025Agents used for dephosphorising or desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/36Processes yielding slags of special composition
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/064Dephosphorising; Desulfurising
    • C21C7/0645Agents used for dephosphorising or desulfurising
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
KR1020187002603A 2016-01-05 2016-12-28 용선의 탈린제, 정련제 및 탈린 방법 KR102105353B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2016-000488 2016-01-05
JP2016000488 2016-01-05
PCT/JP2016/089082 WO2017119392A1 (ja) 2016-01-05 2016-12-28 溶鉄の脱りん剤、精錬剤および脱りん方法

Publications (2)

Publication Number Publication Date
KR20180021167A KR20180021167A (ko) 2018-02-28
KR102105353B1 true KR102105353B1 (ko) 2020-04-29

Family

ID=59273677

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187002603A KR102105353B1 (ko) 2016-01-05 2016-12-28 용선의 탈린제, 정련제 및 탈린 방법

Country Status (5)

Country Link
JP (1) JP6481774B2 (ja)
KR (1) KR102105353B1 (ja)
CN (1) CN107849625A (ja)
TW (1) TWI609839B (ja)
WO (1) WO2017119392A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111670258B (zh) * 2018-03-07 2023-01-10 日本制铁株式会社 铁水的脱磷方法
CN113943844B (zh) 2021-10-19 2022-04-15 北京科技大学 一种铁水罐脱磷-转炉单脱碳的炼钢方法
CN114657326B (zh) * 2022-03-30 2024-04-02 北京科技大学 一种脱磷剂及其应用
CN114990276A (zh) * 2022-07-04 2022-09-02 北京科技大学 一种铁水同时预脱硫预脱磷的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101775465A (zh) * 2009-12-31 2010-07-14 辽宁天和矿产有限公司 一种转炉炼钢脱磷剂及其制备方法
JP2014040623A (ja) * 2012-08-21 2014-03-06 Nippon Steel & Sumitomo Metal 溶銑の脱りん方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02232313A (ja) * 1989-03-06 1990-09-14 Taiyo Giken Kogyo Kk 溶鋼の脱りん剤
JP2001348610A (ja) 2000-06-07 2001-12-18 Nippon Steel Corp 滓化促進剤
CN1600872A (zh) * 2004-10-26 2005-03-30 上海彭浦冶金辅料有限公司 一种转炉脱磷剂及其制备方法
JP5525939B2 (ja) 2010-07-02 2014-06-18 大阪鋼灰株式会社 石灰系フラックスおよびその製造法
CN102453788A (zh) * 2010-10-21 2012-05-16 金素玉 转炉炼钢脱磷剂制备方法
JP5360174B2 (ja) 2011-09-15 2013-12-04 新日鐵住金株式会社 溶銑の脱りん方法
JP5772645B2 (ja) 2012-02-10 2015-09-02 新日鐵住金株式会社 溶銑の脱りん処理方法
WO2013190591A1 (ja) * 2012-06-18 2013-12-27 Jfeスチール株式会社 精錬方法及び溶鋼の製造方法
CN102787212A (zh) * 2012-06-28 2012-11-21 辽宁中汇环保科技有限公司 一种炼钢脱磷剂及其制备方法
JP2014031562A (ja) * 2012-08-06 2014-02-20 Nippon Steel & Sumitomo Metal 溶銑の脱りん処理方法
CN103981335B (zh) * 2014-05-30 2015-11-18 重庆大学 一种含钒铁水提钒脱磷剂
CN104593546B (zh) * 2014-09-26 2016-07-06 洛阳金石再生资源开发有限公司 一种预熔型铁酸钙脱磷剂的制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101775465A (zh) * 2009-12-31 2010-07-14 辽宁天和矿产有限公司 一种转炉炼钢脱磷剂及其制备方法
JP2014040623A (ja) * 2012-08-21 2014-03-06 Nippon Steel & Sumitomo Metal 溶銑の脱りん方法

Also Published As

Publication number Publication date
WO2017119392A1 (ja) 2017-07-13
TWI609839B (zh) 2018-01-01
JP6481774B2 (ja) 2019-03-13
KR20180021167A (ko) 2018-02-28
CN107849625A (zh) 2018-03-27
JPWO2017119392A1 (ja) 2018-04-05
TW201726550A (zh) 2017-08-01

Similar Documents

Publication Publication Date Title
KR102105353B1 (ko) 용선의 탈린제, 정련제 및 탈린 방법
JP2010168641A (ja) 製鋼スラグからの鉄及び燐の回収方法
JP5152442B2 (ja) 環境保全溶鋼脱硫フラックス
JP5553167B2 (ja) 溶銑の脱りん方法
KR101430377B1 (ko) 용선의 탈규 탈인 동일 처리 방법
JP4977870B2 (ja) 製鋼方法
JP5904238B2 (ja) 転炉における溶銑の脱燐処理方法
JP6311466B2 (ja) 真空脱ガス設備を用いる溶鋼の脱燐処理方法
JP2008063646A (ja) 溶銑の脱燐処理方法
JP5915711B2 (ja) 製鋼スラグからの鉄及び燐の回収方法
JPH0141681B2 (ja)
JP6544480B2 (ja) 溶銑予備処理方法
JP6627601B2 (ja) 溶銑の脱りん剤および脱りん方法
JP6460265B2 (ja) 転炉吹錬方法
JP4854933B2 (ja) 反応効率の高い精錬方法
KR100554139B1 (ko) 저망간 용선의 전로 조업을 위한 저융점 매용제 조성물과그 조업방법
JP2011058046A (ja) 溶銑の脱燐処理方法
JP7307319B2 (ja) 転炉内スラグの流出防止方法
JP5447554B2 (ja) 溶銑の脱りん処理方法
JP5333423B2 (ja) 溶銑の脱燐処理方法
KR100420108B1 (ko) 철을 포함한 고비중 정련용 합성플럭스 제조방법
JP2007119813A (ja) 溶銑の精錬方法
RU2186124C2 (ru) Способ передела чугуна
JP6201914B2 (ja) 溶銑の予備処理方法
KR100436652B1 (ko) 전로 정련용 슬래그 진정효과 및 탈린능을 가진저융점매용제 조성물

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant