BR112015008720B1 - Método para refinar metal quente - Google Patents
Método para refinar metal quente Download PDFInfo
- Publication number
- BR112015008720B1 BR112015008720B1 BR112015008720-5A BR112015008720A BR112015008720B1 BR 112015008720 B1 BR112015008720 B1 BR 112015008720B1 BR 112015008720 A BR112015008720 A BR 112015008720A BR 112015008720 B1 BR112015008720 B1 BR 112015008720B1
- Authority
- BR
- Brazil
- Prior art keywords
- hot metal
- slag
- furnace
- treatment
- refining
- Prior art date
Links
- 238000007670 refining Methods 0.000 title claims abstract description 180
- 238000000034 method Methods 0.000 title claims abstract description 80
- 239000002184 metal Substances 0.000 claims abstract description 456
- 229910052751 metal Inorganic materials 0.000 claims abstract description 456
- 239000002893 slag Substances 0.000 claims abstract description 369
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 126
- 239000010959 steel Substances 0.000 claims abstract description 126
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000005262 decarbonization Methods 0.000 claims abstract description 73
- 238000002203 pretreatment Methods 0.000 claims abstract description 59
- 239000003923 scrap metal Substances 0.000 claims abstract description 26
- 238000003723 Smelting Methods 0.000 claims abstract description 6
- 230000000717 retained effect Effects 0.000 claims description 181
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 162
- 238000011282 treatment Methods 0.000 claims description 150
- 229910052742 iron Inorganic materials 0.000 claims description 73
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 55
- 229910052698 phosphorus Inorganic materials 0.000 claims description 54
- 239000011574 phosphorus Substances 0.000 claims description 54
- -1 ferrous metals Chemical class 0.000 claims description 27
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 8
- 229910001882 dioxygen Inorganic materials 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 23
- 230000008569 process Effects 0.000 description 34
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 32
- 230000000052 comparative effect Effects 0.000 description 17
- 235000012255 calcium oxide Nutrition 0.000 description 16
- 239000000292 calcium oxide Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 14
- 238000007664 blowing Methods 0.000 description 11
- 238000005266 casting Methods 0.000 description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910052814 silicon oxide Inorganic materials 0.000 description 8
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000009257 reactivity Effects 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000010459 dolomite Substances 0.000 description 4
- 229910000514 dolomite Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- VSAISIQCTGDGPU-UHFFFAOYSA-N tetraphosphorus hexaoxide Chemical compound O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 241000208308 Coriandrum Species 0.000 description 1
- 235000002787 Coriandrum sativum Nutrition 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000161 steel melt Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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
- 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
- C21C5/56—Manufacture of steel by other methods
- C21C5/562—Manufacture of steel by other methods starting from scrap
-
- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012238606 | 2012-10-30 | ||
| JP2012-238606 | 2012-10-30 | ||
| PCT/JP2013/006331 WO2014068933A1 (ja) | 2012-10-30 | 2013-10-25 | 溶銑の精錬方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112015008720A2 BR112015008720A2 (pt) | 2017-07-04 |
| BR112015008720B1 true BR112015008720B1 (pt) | 2020-02-11 |
Family
ID=50626883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112015008720-5A BR112015008720B1 (pt) | 2012-10-30 | 2013-10-25 | Método para refinar metal quente |
Country Status (8)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017159840A1 (ja) * | 2016-03-17 | 2017-09-21 | 新日鐵住金株式会社 | 溶銑予備処理方法 |
| JP6798554B2 (ja) * | 2016-07-27 | 2020-12-09 | 日本製鉄株式会社 | 溶鋼の製造方法 |
| WO2018038508A1 (ko) * | 2016-08-23 | 2018-03-01 | 현대제철 주식회사 | 전로에서의 용선 정련 방법 |
| CN107311182A (zh) * | 2017-06-30 | 2017-11-03 | 昆明理工大学 | 一种工业硅熔体炉外精炼提纯的设备及其方法 |
| US20240060149A1 (en) * | 2021-01-26 | 2024-02-22 | Jfe Steel Corporation | Molten iron refining method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01147011A (ja) * | 1987-12-03 | 1989-06-08 | Sumitomo Metal Ind Ltd | 製鋼法 |
| JPH08143928A (ja) * | 1994-11-18 | 1996-06-04 | Nippon Steel Corp | 精錬スラグによるスクラップ予熱方法 |
| JP4065097B2 (ja) * | 1999-10-26 | 2008-03-19 | 新日本製鐵株式会社 | 転炉製鋼法 |
| JP4224910B2 (ja) * | 1999-12-15 | 2009-02-18 | Ｊｆｅスチール株式会社 | 溶銑脱炭処理時に生成する溶融スラグの熱間処理方法 |
| JP2004190101A (ja) * | 2002-12-12 | 2004-07-08 | Nippon Steel Corp | 溶銑の予備処理方法 |
| CN1273621C (zh) * | 2004-08-17 | 2006-09-06 | 西安建筑科技大学 | 炼钢炉渣梯级利用方法 |
| CN100451131C (zh) * | 2005-11-23 | 2009-01-14 | 上海宝钢冶金建设公司 | 冶金渣返炼钢生产利用工艺 |
-
2013
- 2013-10-25 KR KR1020157014168A patent/KR101680094B1/ko active Active
- 2013-10-25 BR BR112015008720-5A patent/BR112015008720B1/pt active IP Right Grant
- 2013-10-25 IN IN602KON2015 patent/IN2015KN00602A/en unknown
- 2013-10-25 JP JP2014524188A patent/JP5807720B2/ja active Active
- 2013-10-25 TR TR2015/04423T patent/TR201504423T1/tr unknown
- 2013-10-25 WO PCT/JP2013/006331 patent/WO2014068933A1/ja not_active Ceased
- 2013-10-25 CN CN201380056566.XA patent/CN104769136B/zh active Active
- 2013-10-29 TW TW102138986A patent/TWI544081B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| JP5807720B2 (ja) | 2015-11-10 |
| WO2014068933A1 (ja) | 2014-05-08 |
| BR112015008720A2 (pt) | 2017-07-04 |
| JPWO2014068933A1 (ja) | 2016-09-08 |
| CN104769136A (zh) | 2015-07-08 |
| CN104769136B (zh) | 2017-05-17 |
| KR101680094B1 (ko) | 2016-11-28 |
| TW201416456A (zh) | 2014-05-01 |
| TR201504423T1 (tr) | 2016-01-21 |
| KR20150076252A (ko) | 2015-07-06 |
| IN2015KN00602A (enrdf_load_stackoverflow) | 2015-07-17 |
| TWI544081B (zh) | 2016-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5408369B2 (ja) | 溶銑の予備処理方法 | |
| US20050257644A1 (en) | Refining agent and refining method | |
| JP5408379B2 (ja) | 溶銑の予備処理方法 | |
| JP6164151B2 (ja) | 転炉型精錬炉による溶鉄の精錬方法 | |
| BR112015008720B1 (pt) | Método para refinar metal quente | |
| WO2017119392A1 (ja) | 溶鉄の脱りん剤、精錬剤および脱りん方法 | |
| JP2018178260A (ja) | 転炉製鋼方法 | |
| JP5909957B2 (ja) | 鉄スクラップを利用した製鋼方法 | |
| JP2582692B2 (ja) | 転炉製鋼法 | |
| JP2021134386A (ja) | スラグ還元を伴った冷鉄源の溶解方法 | |
| JP5589688B2 (ja) | 溶銑の製造方法 | |
| JP2014189838A (ja) | 溶鋼の脱硫処理方法 | |
| JP5625654B2 (ja) | 溶銑の製造方法 | |
| JP2003155516A (ja) | 溶鋼の取鍋精錬による脱硫方法 | |
| WO2016098347A1 (ja) | 溶銑の予備処理方法 | |
| JP2001192720A (ja) | 転炉製鋼法 | |
| JP4112989B2 (ja) | 加熱式貯銑炉の操業方法 | |
| EP1524322A2 (en) | Method of liquid steel production with slag recycling in a converter, equipment to employ the method | |
| JP4598220B2 (ja) | 脱炭滓を用いた溶銑の処理方法 | |
| JP2006265623A (ja) | 溶銑の予備処理方法 | |
| JP5145736B2 (ja) | 転炉型精錬炉における溶銑の脱燐処理方法 | |
| Holappa et al. | Slag Formation—Thermodynamic and kinetic aspects and mechanisms | |
| WO2025192356A1 (ja) | 溶鉄の精錬方法 | |
| JP2002146422A (ja) | 耐火物溶損の少ない溶銑脱燐方法 | |
| JP2009249666A (ja) | 溶銑の脱りん精錬方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according art. 34 industrial property law | ||
| B07A | Technical examination (opinion): publication of technical examination (opinion) | ||
| B09A | Decision: intention to grant | ||
| B16A | Patent or certificate of addition of invention granted |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/10/2013, OBSERVADAS AS CONDICOES LEGAIS. |