CN114457204A - 铁水的脱磷方法 - Google Patents

铁水的脱磷方法 Download PDF

Info

Publication number: CN114457204A
Authority: CN; China
Prior art keywords: dephosphorization; molten iron; dephosphorizing; agent; oxygen source
Prior art date: 2017-01-18
Legal status (The legal status 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 status listed.): Pending

Application number

CN202210118003.XA

Other languages

English (en)

Chinese (zh)

Inventor

藤井勇辅

中井由枝

菊池直树

森干洋

前田孝彦

西口范孝

安藤拓矢

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

JFE Steel Corp

Original Assignee

JFE Steel 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.)

2017-01-18

Filing date

2018-01-10

Publication date

2022-05-10

2018-01-10 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2022-05-10 Publication of CN114457204A publication Critical patent/CN114457204A/zh

Status Pending legal-status Critical Current

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 274
229910052742 iron Inorganic materials 0.000 title claims abstract description 137
238000000034 method Methods 0.000 title claims abstract description 42
239000003795 chemical substances by application Substances 0.000 claims abstract description 93
238000007670 refining Methods 0.000 claims abstract description 53
235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 46
235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 46
239000004571 lime Substances 0.000 claims abstract description 46
239000011148 porous material Substances 0.000 claims abstract description 46
150000001875 compounds Chemical class 0.000 abstract 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 98
229910052760 oxygen Inorganic materials 0.000 description 98
239000001301 oxygen Substances 0.000 description 98
239000002893 slag Substances 0.000 description 49
238000007664 blowing Methods 0.000 description 42
239000007787 solid Substances 0.000 description 35
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 34
239000007789 gas Substances 0.000 description 23
238000006243 chemical reaction Methods 0.000 description 20
239000000292 calcium oxide Substances 0.000 description 16
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 15
229910052698 phosphorus Inorganic materials 0.000 description 15
239000011574 phosphorus Substances 0.000 description 15
239000011261 inert gas Substances 0.000 description 13
239000002245 particle Substances 0.000 description 12
230000000694 effects Effects 0.000 description 11
230000004907 flux Effects 0.000 description 11
238000001816 cooling Methods 0.000 description 6
230000001737 promoting effect Effects 0.000 description 6
238000003756 stirring Methods 0.000 description 6
230000000052 comparative effect Effects 0.000 description 4
YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
229910000831 Steel Inorganic materials 0.000 description 3
239000012159 carrier gas Substances 0.000 description 3
239000003054 catalyst Substances 0.000 description 3
230000003247 decreasing effect Effects 0.000 description 3
239000011737 fluorine Substances 0.000 description 3
229910052731 fluorine Inorganic materials 0.000 description 3
239000010436 fluorite Substances 0.000 description 3
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
229910052753 mercury Inorganic materials 0.000 description 3
239000004576 sand Substances 0.000 description 3
239000010959 steel Substances 0.000 description 3
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 2
230000001186 cumulative effect Effects 0.000 description 2
238000005261 decarburization Methods 0.000 description 2
238000007599 discharging Methods 0.000 description 2
239000000428 dust Substances 0.000 description 2
230000002708 enhancing effect Effects 0.000 description 2
230000007613 environmental effect Effects 0.000 description 2
238000002347 injection Methods 0.000 description 2
239000007924 injection Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
230000002093 peripheral effect Effects 0.000 description 2
229910001392 phosphorus oxide Inorganic materials 0.000 description 2
230000036632 reaction speed Effects 0.000 description 2
230000009257 reactivity Effects 0.000 description 2
238000007873 sieving Methods 0.000 description 2
238000009628 steelmaking Methods 0.000 description 2
VSAISIQCTGDGPU-UHFFFAOYSA-N tetraphosphorus hexaoxide Chemical compound O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
229910000147 aluminium phosphate Inorganic materials 0.000 description 1
238000001354 calcination Methods 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
229910001634 calcium fluoride Inorganic materials 0.000 description 1
XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
229910001882 dioxygen Inorganic materials 0.000 description 1
230000020169 heat generation Effects 0.000 description 1
239000012535 impurity Substances 0.000 description 1
238000010907 mechanical stirring Methods 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
230000035515 penetration Effects 0.000 description 1
238000010079 rubber tapping Methods 0.000 description 1
238000005245 sintering Methods 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Images

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
- 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
- C21C5/285—Plants therefor
- 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

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Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Life Sciences & Earth Sciences (AREA)
Botany (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Carbon Steel Or Casting Steel Manufacturing (AREA)

CN202210118003.XA 2017-01-18 2018-01-10 铁水的脱磷方法 Pending CN114457204A (zh)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP2017006360		2017-01-18
JP2017-006360		2017-01-18
PCT/JP2018/000325 WO2018135351A1 (ja)	2017-01-18	2018-01-10	溶銑の脱燐方法
CN201880007485.3A CN110191968A (zh)	2017-01-18	2018-01-10	铁水的脱磷方法

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CN201880007485.3A Division CN110191968A (zh)	2017-01-18	2018-01-10	铁水的脱磷方法

Publications (1)

Publication Number	Publication Date
CN114457204A true CN114457204A (zh)	2022-05-10

Family

ID=62908652

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CN201880007485.3A Pending CN110191968A (zh)	2017-01-18	2018-01-10	铁水的脱磷方法
CN202210118003.XA Pending CN114457204A (zh)	2017-01-18	2018-01-10	铁水的脱磷方法

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CN201880007485.3A Pending CN110191968A (zh)	2017-01-18	2018-01-10	铁水的脱磷方法

Country Status (6)

Country	Link
JP (1)	JP6773135B2 (ja)
KR (1)	KR102260155B1 (ja)
CN (2)	CN110191968A (ja)
BR (1)	BR112019014620A2 (ja)
TW (1)	TWI664294B (ja)
WO (1)	WO2018135351A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2021014918A1 (ja) *	2019-07-22	2021-01-28	Ｊｆｅスチール株式会社	溶鉄の脱りん方法
JP7259803B2 (ja) *	2020-05-27	2023-04-18	Ｊｆｅスチール株式会社	電気炉による溶鉄の製造方法

Citations (6)

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Publication number	Priority date	Publication date	Assignee	Title
JPS57171610A (en) *	1981-04-13	1982-10-22	Nippon Steel Corp	Dephosphorizing agent for molten metal and its production
JPH05294683A (ja) *	1992-04-13	1993-11-09	Nippon Steel Corp	生石灰の製造方法
JP2000282124A (ja) *	1999-03-29	2000-10-10	Kawasaki Steel Corp	転炉スラグの改質方法及び改質スラグを用いた溶銑脱りん方法
JP2007277664A (ja) *	2006-04-10	2007-10-25	Osaka Koukai Kk	石灰系精錬用フラックス
CN101305105A (zh) *	2005-11-09	2008-11-12	杰富意钢铁株式会社	铁水的脱磷处理方法
CN104126019A (zh) *	2011-12-20	2014-10-29	杰富意钢铁株式会社	转炉炼钢方法

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JP3239197B2 (ja)	1993-07-05	2001-12-17	新日本製鐵株式会社	転炉製鋼法
JP2001288507A (ja)	2000-04-04	2001-10-19	Nkk Corp	低燐溶銑の製造方法
JP2004176096A (ja) *	2002-11-26	2004-06-24	Osaka Koukai Kk	一次精錬用石灰系フラックス
JP4901132B2 (ja) *	2005-05-31	2012-03-21	Ｊｆｅスチール株式会社	転炉吹錬方法及び転炉吹錬用上吹きランス
JP4743078B2 (ja)	2006-10-24	2011-08-10	住友金属工業株式会社	脱燐処理後のスラグの排滓性向上方法およびそれを用いた溶銑の脱燐処理方法
JP5135836B2 (ja) *	2007-03-19	2013-02-06	Ｊｆｅスチール株式会社	溶銑の脱燐処理方法
JP5181520B2 (ja)	2007-04-16	2013-04-10	Ｊｆｅスチール株式会社	溶銑の脱燐処理方法
JP5064203B2 (ja) *	2007-12-26	2012-10-31	中山石灰工業株式会社	竪形焼成炉による塩焼き生石灰の製造法
JP2012031452A (ja) *	2010-07-29	2012-02-16	Jfe Steel Corp	溶銑の脱燐処理方法

2018
- 2018-01-10 WO PCT/JP2018/000325 patent/WO2018135351A1/ja active Application Filing
- 2018-01-10 CN CN201880007485.3A patent/CN110191968A/zh active Pending
- 2018-01-10 BR BR112019014620A patent/BR112019014620A2/pt active IP Right Grant
- 2018-01-10 CN CN202210118003.XA patent/CN114457204A/zh active Pending
- 2018-01-10 KR KR1020197020970A patent/KR102260155B1/ko active IP Right Grant
- 2018-01-10 JP JP2018563282A patent/JP6773135B2/ja active Active
- 2018-01-15 TW TW107101411A patent/TWI664294B/zh active

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JPS57171610A (en) *	1981-04-13	1982-10-22	Nippon Steel Corp	Dephosphorizing agent for molten metal and its production
JPH05294683A (ja) *	1992-04-13	1993-11-09	Nippon Steel Corp	生石灰の製造方法
JP2000282124A (ja) *	1999-03-29	2000-10-10	Kawasaki Steel Corp	転炉スラグの改質方法及び改質スラグを用いた溶銑脱りん方法
CN101305105A (zh) *	2005-11-09	2008-11-12	杰富意钢铁株式会社	铁水的脱磷处理方法
JP2007277664A (ja) *	2006-04-10	2007-10-25	Osaka Koukai Kk	石灰系精錬用フラックス
CN104126019A (zh) *	2011-12-20	2014-10-29	杰富意钢铁株式会社	转炉炼钢方法

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MITSURU UEDA等: "Effect of pore distribution in lime on desulfurization mechanism of hot metal by solid lime", ISIJ, pages 58 - 65 *
MITSURU UEDA等: "Properties of highly reactive pelletized limes", INORGANIC MATERIALS, vol. 1, no. 252, pages 12 - 19 *
TSUTOMU TASHIMO等: "Relationship between calcinations conversion and pore size of calcined lime powder produced from fine limestone particles by a powder-particle fluidized bed", J. SOC. POWDER TECHNOL, vol. 37, pages 246 - 252 *
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Also Published As

Publication number	Publication date
BR112019014620A2 (pt)	2020-04-14
TWI664294B (zh)	2019-07-01
KR102260155B1 (ko)	2021-06-02
TW201829788A (zh)	2018-08-16
JP6773135B2 (ja)	2020-10-21
WO2018135351A1 (ja)	2018-07-26
CN110191968A (zh)	2019-08-30
JPWO2018135351A1 (ja)	2019-11-07
KR20190099018A (ko)	2019-08-23

Legal Events

Date	Code	Title
2022-05-10	PB01	Publication
2022-05-10	PB01	Publication
2022-05-27	SE01	Entry into force of request for substantive examination
2022-05-27	SE01	Entry into force of request for substantive examination

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