BRPI0708359A2 - método para desfosforação de metal quente - Google Patents
método para desfosforação de metal quente Download PDFInfo
- Publication number
- BRPI0708359A2 BRPI0708359A2 BRPI0708359-9A BRPI0708359A BRPI0708359A2 BR PI0708359 A2 BRPI0708359 A2 BR PI0708359A2 BR PI0708359 A BRPI0708359 A BR PI0708359A BR PI0708359 A2 BRPI0708359 A2 BR PI0708359A2
- Authority
- BR
- Brazil
- Prior art keywords
- hot metal
- dephosphorization
- slag
- content
- dephosphoration
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 110
- 239000002184 metal Substances 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000002893 slag Substances 0.000 claims abstract description 117
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000001301 oxygen Substances 0.000 claims abstract description 62
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 62
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 48
- 238000007670 refining Methods 0.000 claims abstract description 47
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 229910001341 Crude steel Inorganic materials 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 63
- 238000002347 injection Methods 0.000 description 36
- 239000007924 injection Substances 0.000 description 36
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 26
- 239000007787 solid Substances 0.000 description 19
- 238000005261 decarburization Methods 0.000 description 18
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 16
- 238000007664 blowing Methods 0.000 description 16
- 229910001882 dioxygen Inorganic materials 0.000 description 16
- 229910052742 iron Inorganic materials 0.000 description 15
- 239000004576 sand Substances 0.000 description 15
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 14
- 235000011941 Tilia x europaea Nutrition 0.000 description 14
- 239000004571 lime Substances 0.000 description 14
- 230000004927 fusion Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 9
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 239000011737 fluorine Substances 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 239000010436 fluorite Substances 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- 229910001634 calcium fluoride Inorganic materials 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- -1 iron oxide Chemical compound 0.000 description 3
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000036284 oxygen consumption Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 101000993059 Homo sapiens Hereditary hemochromatosis protein Proteins 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910018404 Al2 O3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910005347 FeSi Inorganic materials 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 241000231761 Rutilus Species 0.000 description 1
- 229910009973 Ti2O3 Inorganic materials 0.000 description 1
- 229910009815 Ti3O5 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 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
- 244000309466 calf Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- GQUJEMVIKWQAEH-UHFFFAOYSA-N titanium(III) oxide Chemical compound O=[Ti]O[Ti]=O GQUJEMVIKWQAEH-UHFFFAOYSA-N 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
- 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
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-052362 | 2006-02-28 | ||
| JP2006052362 | 2006-02-28 | ||
| PCT/JP2007/054104 WO2007100109A1 (ja) | 2006-02-28 | 2007-02-26 | 溶銑脱燐方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0708359A2 true BRPI0708359A2 (pt) | 2011-05-24 |
Family
ID=38459204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0708359-9A BRPI0708359A2 (pt) | 2006-02-28 | 2007-02-26 | método para desfosforação de metal quente |
Country Status (5)
| Country | Link |
|---|---|
| KR (1) | KR101251093B1 (zh) |
| CN (2) | CN104531948B (zh) |
| BR (1) | BRPI0708359A2 (zh) |
| TW (1) | TWI318644B (zh) |
| WO (1) | WO2007100109A1 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956045B (zh) * | 2010-09-27 | 2012-09-05 | 攀钢集团钢铁钒钛股份有限公司 | 精炼渣及钢水精炼方法 |
| KR101237487B1 (ko) * | 2010-10-07 | 2013-02-26 | (주)유진에코씨엘 | 제강 부산물을 활용한 예비처리 탈린 향상방법 |
| KR101677341B1 (ko) * | 2014-12-03 | 2016-11-18 | 주식회사 포스코 | 고효율 용선예비처리방법 |
| KR102189097B1 (ko) * | 2016-12-26 | 2020-12-09 | 닛폰세이테츠 가부시키가이샤 | 용선의 예비 처리 방법과 극저인강의 제조 방법 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10237526A (ja) * | 1997-02-26 | 1998-09-08 | Sumitomo Metal Ind Ltd | 溶銑の脱りん方法 |
| CN1046139C (zh) * | 1997-10-08 | 1999-11-03 | 冶金工业部钢铁研究总院 | 铁水预脱磷方法 |
| JP2002309310A (ja) * | 1998-06-18 | 2002-10-23 | Nkk Corp | 低燐溶銑の製造方法 |
| JP2000345226A (ja) * | 1999-06-02 | 2000-12-12 | Sumitomo Metal Ind Ltd | 溶銑の脱りん方法 |
| JP2001040409A (ja) * | 1999-07-30 | 2001-02-13 | Nippon Steel Corp | 溶銑の脱燐方法 |
| JP2002249814A (ja) * | 2000-12-21 | 2002-09-06 | Nkk Corp | 低燐溶銑の製造方法 |
| CN100351399C (zh) * | 2001-02-07 | 2007-11-28 | 新日本制铁株式会社 | 生铁熔体脱磷的方法 |
| JP3705170B2 (ja) * | 2001-08-10 | 2005-10-12 | Ｊｆｅスチール株式会社 | 溶銑の脱燐方法 |
| JP4082365B2 (ja) * | 2004-03-23 | 2008-04-30 | 住友金属工業株式会社 | 鋼の製造方法 |
| JP5031977B2 (ja) * | 2004-05-31 | 2012-09-26 | Ｊｆｅスチール株式会社 | 溶銑の脱燐処理方法 |
-
2007
- 2007-02-26 CN CN201410697005.4A patent/CN104531948B/zh active Active
- 2007-02-26 KR KR1020087020316A patent/KR101251093B1/ko active IP Right Grant
- 2007-02-26 CN CN200780006368.7A patent/CN101389771B/zh active Active
- 2007-02-26 BR BRPI0708359-9A patent/BRPI0708359A2/pt not_active IP Right Cessation
- 2007-02-26 WO PCT/JP2007/054104 patent/WO2007100109A1/ja active Application Filing
- 2007-02-27 TW TW096106728A patent/TWI318644B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104531948B (zh) | 2017-04-12 |
| CN101389771B (zh) | 2015-12-16 |
| TWI318644B (en) | 2009-12-21 |
| TW200741014A (en) | 2007-11-01 |
| CN104531948A (zh) | 2015-04-22 |
| CN101389771A (zh) | 2009-03-18 |
| WO2007100109A1 (ja) | 2007-09-07 |
| KR101251093B1 (ko) | 2013-04-04 |
| KR20080089650A (ko) | 2008-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: INDEFIRO O PEDIDO DE ACORDO COM O(S) ARTIGO(S) 8O E 13 DA LPI. |
|
| B12B | Appeal against refusal [chapter 12.2 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 02/10/2018, OBSERVADAS AS CONDICOES LEGAIS. |
|
| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 17A ANUIDADE. |
|
| B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2763 DE 19-12-2023 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |