TWI609839B - 熔鐵的脫磷劑、精煉劑及脫磷方法 - Google Patents

熔鐵的脫磷劑、精煉劑及脫磷方法 Download PDF

Info

Publication number
TWI609839B
TWI609839B TW106100044A TW106100044A TWI609839B TW I609839 B TWI609839 B TW I609839B TW 106100044 A TW106100044 A TW 106100044A TW 106100044 A TW106100044 A TW 106100044A TW I609839 B TWI609839 B TW I609839B
Authority
TW
Taiwan
Prior art keywords
mass
dephosphorization
cao
agent
converter
Prior art date
Application number
TW106100044A
Other languages
English (en)
Chinese (zh)
Other versions
TW201726550A (zh
Inventor
Shohei Kakimoto
Yuji Nozaki
Yoshiaki Gonda
Akihito Kiyose
Naoki Furukawa
Original Assignee
Nippon Steel & Sumitomo Metal Corp
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 Nippon Steel & Sumitomo Metal Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of TW201726550A publication Critical patent/TW201726550A/zh
Application granted granted Critical
Publication of TWI609839B publication Critical patent/TWI609839B/zh

Links

Classifications

    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C21C1/025—Agents used for 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/36—Processes yielding slags of special composition
    • 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
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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)
TW106100044A 2016-01-05 2017-01-03 熔鐵的脫磷劑、精煉劑及脫磷方法 TWI609839B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016000488 2016-01-05

Publications (2)

Publication Number Publication Date
TW201726550A TW201726550A (zh) 2017-08-01
TWI609839B true TWI609839B (zh) 2018-01-01

Family

ID=59273677

Family Applications (1)

Application Number Title Priority Date Filing Date
TW106100044A TWI609839B (zh) 2016-01-05 2017-01-03 熔鐵的脫磷劑、精煉劑及脫磷方法

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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104593546A (zh) * 2014-09-26 2015-05-06 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

Family Cites Families (13)

* 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
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
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
JP5464243B2 (ja) * 2012-08-21 2014-04-09 新日鐵住金株式会社 溶銑の脱りん方法
CN103981335B (zh) * 2014-05-30 2015-11-18 重庆大学 一种含钒铁水提钒脱磷剂

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104593546A (zh) * 2014-09-26 2015-05-06 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

Also Published As

Publication number Publication date
WO2017119392A1 (ja) 2017-07-13
JP6481774B2 (ja) 2019-03-13
KR20180021167A (ko) 2018-02-28
KR102105353B1 (ko) 2020-04-29
CN107849625A (zh) 2018-03-27
JPWO2017119392A1 (ja) 2018-04-05
TW201726550A (zh) 2017-08-01

Similar Documents

Publication Publication Date Title
JP5522320B1 (ja) 製鋼スラグ還元処理方法
TWI609839B (zh) 熔鐵的脫磷劑、精煉劑及脫磷方法
JP5573424B2 (ja) 溶鋼の脱硫処理方法
JP6164151B2 (ja) 転炉型精錬炉による溶鉄の精錬方法
JP6011728B2 (ja) 溶銑の脱燐処理方法
TWI683000B (zh) 熔銑的脫磷方法
JP5553167B2 (ja) 溶銑の脱りん方法
JP5983492B2 (ja) 溶銑の予備処理方法
JP4977870B2 (ja) 製鋼方法
JP5360174B2 (ja) 溶銑の脱りん方法
JP5061545B2 (ja) 溶銑の脱燐処理方法
JP2003155516A (ja) 溶鋼の取鍋精錬による脱硫方法
JP5182322B2 (ja) 溶銑の脱燐方法
JP5365464B2 (ja) 電気炉を用いて行う製鋼精錬方法
JP6992604B2 (ja) リン酸スラグ肥料の製造方法
JP6460265B2 (ja) 転炉吹錬方法
JP4422318B2 (ja) 耐火物溶損の少ない溶銑脱燐方法
JP6627601B2 (ja) 溶銑の脱りん剤および脱りん方法
JP2011058046A (ja) 溶銑の脱燐処理方法
JP5803837B2 (ja) 溶銑の脱珪脱りん処理方法
JP7095668B2 (ja) 溶銑の予備処理方法
WO2020189647A1 (ja) リン酸肥料原料の製造方法
JP2002275521A (ja) 高炭素溶鋼の脱燐精錬方法
JP2007239085A (ja) 溶銑の脱燐処理方法
JP6398583B2 (ja) 溶銑の脱りん処理用精錬剤および溶銑の脱りん処理方法

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees