BRPI0206891B1 - processo aod para produção de uma fusão metálica de aço de liga inoxidável ou aço fino de liga - Google Patents
processo aod para produção de uma fusão metálica de aço de liga inoxidável ou aço fino de liga Download PDFInfo
- Publication number
- BRPI0206891B1 BRPI0206891B1 BRPI0206891A BR0206891A BRPI0206891B1 BR PI0206891 B1 BRPI0206891 B1 BR PI0206891B1 BR PI0206891 A BRPI0206891 A BR PI0206891A BR 0206891 A BR0206891 A BR 0206891A BR PI0206891 B1 BRPI0206891 B1 BR PI0206891B1
- Authority
- BR
- Brazil
- Prior art keywords
- value
- model
- effective
- temperature
- steel
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 211
- 230000008569 process Effects 0.000 title claims abstract description 195
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 title claims abstract description 24
- 230000004927 fusion Effects 0.000 title claims abstract description 22
- 229910000851 Alloy steel Inorganic materials 0.000 title claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 239000000126 substance Substances 0.000 claims abstract description 39
- 239000000203 mixture Substances 0.000 claims abstract description 34
- 238000004364 calculation method Methods 0.000 claims abstract description 25
- 239000000155 melt Substances 0.000 claims abstract description 12
- 238000004088 simulation Methods 0.000 claims abstract description 11
- 239000002893 slag Substances 0.000 claims description 31
- 239000000654 additive Substances 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000005457 optimization Methods 0.000 claims description 9
- 238000013528 artificial neural network Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002801 charged material Substances 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 6
- 238000007670 refining Methods 0.000 abstract description 6
- 238000004458 analytical method Methods 0.000 description 44
- 239000007789 gas Substances 0.000 description 39
- 238000005259 measurement Methods 0.000 description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 19
- 239000001301 oxygen Substances 0.000 description 19
- 229910052760 oxygen Inorganic materials 0.000 description 19
- 238000005262 decarbonization Methods 0.000 description 16
- 239000000956 alloy Substances 0.000 description 13
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 12
- 235000011941 Tilia x europaea Nutrition 0.000 description 12
- 239000004571 lime Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 239000000161 steel melt Substances 0.000 description 12
- 238000002844 melting Methods 0.000 description 11
- 230000008018 melting Effects 0.000 description 11
- 230000009467 reduction Effects 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 10
- 230000006870 function Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 239000010459 dolomite Substances 0.000 description 9
- 229910000514 dolomite Inorganic materials 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005275 alloying Methods 0.000 description 8
- 239000011651 chromium Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 239000003085 diluting agent Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 4
- 230000006399 behavior Effects 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 229910002555 FeNi Inorganic materials 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 238000012821 model calculation Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910004534 SiMn Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000013499 data model Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- 229910005347 FeSi Inorganic materials 0.000 description 1
- 102100032891 Superoxide dismutase [Mn], mitochondrial Human genes 0.000 description 1
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- -1 inert Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 108010045815 superoxide dismutase 2 Proteins 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- 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
- C21C5/005—Manufacture of stainless steel
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4673—Measuring and sampling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangement of monitoring devices; Arrangement of safety devices
- F27D21/0014—Devices for monitoring temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangement of monitoring devices; Arrangement of safety devices
- F27D21/0035—Devices for monitoring the weight of quantities added to the charge
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0178401A AT411068B (de) | 2001-11-13 | 2001-11-13 | Verfahren zur herstellung einer metallschmelze in einer hüttentechnischen anlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR0206891A BR0206891A (pt) | 2004-06-15 |
| BRPI0206891B1 true BRPI0206891B1 (pt) | 2016-07-05 |
Family
ID=3688935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0206891A BRPI0206891B1 (pt) | 2001-11-13 | 2002-11-13 | processo aod para produção de uma fusão metálica de aço de liga inoxidável ou aço fino de liga |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1310573B1 (de) |
| KR (1) | KR100904006B1 (de) |
| AT (1) | AT411068B (de) |
| BR (1) | BRPI0206891B1 (de) |
| ES (1) | ES2396053T3 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005032929A1 (de) * | 2004-11-12 | 2006-05-18 | Sms Demag Ag | Herstellung von Rostfreistahl der ferritischen Stahlgruppe AISI 4xx in einem AOD-Konverter |
| DE102004055206B4 (de) * | 2004-11-16 | 2012-08-30 | Sms Siemag Aktiengesellschaft | Verfahren zum Herstellen von Stahl mit hohem Mangan- und niedrigem Kohlenstoffgehalt |
| CN100507770C (zh) * | 2006-05-30 | 2009-07-01 | 宝山钢铁股份有限公司 | 热轧加热炉板坯剩余在炉时间确定方法 |
| DE102006056672A1 (de) | 2006-11-30 | 2008-06-05 | Sms Demag Ag | Verfahren und Vorrichtung zur Rostfreistahlerzeugung ohne elektrische Energiezufuhr auf der Basis von Roheisen |
| DE102006056671A1 (de) | 2006-11-30 | 2008-06-05 | Sms Demag Ag | Verfahren und Vorrichtung zur Rostfreistahlerzeugung ohne elektrische Energiezufuhr auf der Basis von in einer DDD-Anlage vorbehandeltem Roheisen |
| DE102010035411A1 (de) * | 2010-08-25 | 2012-03-01 | Sms Siemag Ag | Verfahren zur Temperaturkontrolle des Metallbades während des Blasprozesses in einem Konverter |
| ES2716202T3 (es) * | 2013-04-12 | 2019-06-11 | Refractory Intellectual Property Gmbh & Co Kg | Procedimiento para determinar el estado de un revestimiento refractario de un recipiente de fundido metalúrgico |
| US10935320B2 (en) | 2013-04-12 | 2021-03-02 | Refractory Intellectual Property Gmbh & Co. Kg | Method for determining the state of a refractory lining of a metallurgical vessel for molten metal in particular |
| CN115261549B (zh) * | 2022-06-22 | 2023-09-26 | 包头钢铁(集团)有限责任公司 | 一种150t转炉高磷高硅单渣模型控制方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855519A (ja) * | 1981-09-29 | 1983-04-01 | Nippon Yakin Kogyo Co Ltd | コンピユ−タ−・シミユレ−シヨンによるaod炉操業の制御方法 |
| SE452475B (sv) * | 1983-03-21 | 1987-11-30 | Nippon Yakin Kogyo Co Ltd | Forfarande for datorstyrd avkolning av en stalsmelta |
| US5327357A (en) * | 1991-12-03 | 1994-07-05 | Praxair Technology, Inc. | Method of decarburizing molten metal in the refining of steel using neural networks |
| JPH05195035A (ja) * | 1992-01-24 | 1993-08-03 | Nippon Steel Corp | 転炉吹錬制御装置 |
| JPH05339617A (ja) * | 1992-06-04 | 1993-12-21 | Nkk Corp | 転炉吹錬方法 |
| US5522915A (en) * | 1993-09-03 | 1996-06-04 | Heraeus Electronite Japan, Ltd. | Method and apparatus for sequentially and continuously determining concentrations of carbon, hydrogen, and nitrogen in molten steel, and method and apparatus for rapidly determining trace amounts of carbon in molten steel |
| US6017143A (en) * | 1996-03-28 | 2000-01-25 | Rosemount Inc. | Device in a process system for detecting events |
| US6047220A (en) * | 1996-12-31 | 2000-04-04 | Rosemount Inc. | Device in a process system for validating a control signal from a field device |
| JP2000144229A (ja) * | 1998-11-09 | 2000-05-26 | Nkk Corp | 転炉スロッピング予測方法及び装置 |
| JP3580177B2 (ja) * | 1999-04-23 | 2004-10-20 | 住友金属工業株式会社 | 含Cr溶鋼の脱炭精錬方法 |
| EP1307597A2 (de) * | 2000-08-11 | 2003-05-07 | Dofasco Inc. | Steuerverfahren und -system für den entschwefelungsprozess |
-
2001
- 2001-11-13 AT AT0178401A patent/AT411068B/de not_active IP Right Cessation
-
2002
- 2002-11-11 EP EP02450259A patent/EP1310573B1/de not_active Revoked
- 2002-11-11 ES ES02450259T patent/ES2396053T3/es not_active Expired - Lifetime
- 2002-11-13 KR KR1020020070375A patent/KR100904006B1/ko not_active Expired - Fee Related
- 2002-11-13 BR BRPI0206891A patent/BRPI0206891B1/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1310573A3 (de) | 2008-01-23 |
| BR0206891A (pt) | 2004-06-15 |
| KR20030040135A (ko) | 2003-05-22 |
| EP1310573B1 (de) | 2012-09-26 |
| KR100904006B1 (ko) | 2009-06-22 |
| AT411068B (de) | 2003-09-25 |
| ATA17842001A (de) | 2003-02-15 |
| EP1310573A2 (de) | 2003-05-14 |
| ES2396053T3 (es) | 2013-02-18 |
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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 11 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 05/07/2016, OBSERVADAS AS CONDICOES LEGAIS. |
|
| B25F | Entry of change of name and/or headquarter and transfer of application, patent and certif. of addition of invention: change of name on requirement | ||
| B25D | Requested change of name of applicant approved | ||
| B25A | Requested transfer of rights approved | ||
| B25D | Requested change of name of applicant approved | ||
| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 19A 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 2644 DE 08-09-2021 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. |