ZA200505659B - Method for producing foamed slag on high-chromium melts in an electric furnace - Google Patents
Method for producing foamed slag on high-chromium melts in an electric furnace Download PDFInfo
- Publication number
- ZA200505659B ZA200505659B ZA200505659A ZA200505659A ZA200505659B ZA 200505659 B ZA200505659 B ZA 200505659B ZA 200505659 A ZA200505659 A ZA 200505659A ZA 200505659 A ZA200505659 A ZA 200505659A ZA 200505659 B ZA200505659 B ZA 200505659B
- Authority
- ZA
- South Africa
- Prior art keywords
- slag
- fact
- accordance
- preforms
- furnace
- Prior art date
Links
- 239000002893 slag Substances 0.000 title claims description 53
- 239000000155 melt Substances 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 229910052804 chromium Inorganic materials 0.000 title description 8
- 239000011651 chromium Substances 0.000 title description 8
- 238000000034 method Methods 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 238000010891 electric arc Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 229910044991 metal oxide Inorganic materials 0.000 claims description 8
- 150000004706 metal oxides Chemical class 0.000 claims description 8
- 235000019738 Limestone Nutrition 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000006028 limestone Substances 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000000161 steel melt Substances 0.000 claims description 2
- 239000008188 pellet Substances 0.000 description 25
- 238000006243 chemical reaction Methods 0.000 description 17
- 238000005187 foaming Methods 0.000 description 15
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 4
- 229910000423 chromium oxide Inorganic materials 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000863 Ferronickel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000011787 zinc oxide Substances 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
- C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/54—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
-
- 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
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- 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
- C21C2300/00—Process aspects
- C21C2300/02—Foam creation
-
- 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)
- Analytical Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10323505A DE10323505A1 (de) | 2003-05-24 | 2003-05-24 | Verfahren zur Erzeugung einer Schaumschlacke auf hochchromhaltigen Schmelzen in einem Elektroofen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200505659B true ZA200505659B (en) | 2006-08-30 |
Family
ID=33441236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200505659A ZA200505659B (en) | 2003-05-24 | 2005-07-14 | Method for producing foamed slag on high-chromium melts in an electric furnace |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US20060260435A1 (ru) |
| EP (1) | EP1629126B1 (ru) |
| JP (1) | JP4701331B2 (ru) |
| KR (1) | KR101174691B1 (ru) |
| CN (2) | CN102061356A (ru) |
| CA (1) | CA2519728C (ru) |
| DE (1) | DE10323505A1 (ru) |
| MY (1) | MY146471A (ru) |
| RU (1) | RU2343208C2 (ru) |
| TW (1) | TWI295690B (ru) |
| UA (1) | UA84151C2 (ru) |
| WO (1) | WO2004104232A1 (ru) |
| ZA (1) | ZA200505659B (ru) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006004532B4 (de) * | 2006-02-01 | 2014-10-09 | Sms Siemag Aktiengesellschaft | Verfahren zur Erzeugung einer Schaumschlacke in einer metallischen Schmelze |
| DE102007006529A1 (de) * | 2007-02-09 | 2008-08-14 | Sms Demag Ag | Verfahren und Reduktion einer hochchromhaltigen Schlacke in einem Elektrolichtbogenofen |
| DE102007050478A1 (de) | 2007-10-23 | 2009-04-30 | Sms Demag Ag | Verfahren zur Rostfreistahlerzeugung mit Direktreduktionsöfen für Ferrochrom und Ferronickel auf der Primärseite eines Konverters |
| DE102008028011A1 (de) * | 2008-06-09 | 2009-12-10 | Sms Siemag Aktiengesellschaft | Verfahren zur Erzeugung einer Schaumschlacke auf austenitischen Rostfreischmelzen in einem Elektrolichtbogenofen |
| DE102008032975A1 (de) * | 2008-07-07 | 2010-01-14 | Sms Siemag Aktiengesellschaft | Verfahren zur Erzeugung von Schaumschlacke |
| DE102009020494A1 (de) * | 2009-05-08 | 2010-11-11 | Sms Siemag Ag | Verfahren zum Schlackeschäumen einer Nichtrostfrei-Stahlschmelze in einem Elektrolichtbogenofen |
| DE102009043639A1 (de) | 2009-09-29 | 2011-03-31 | Sms Siemag Aktiengesellschaft | Verfahren und Vorrichtung zur Steuerung der Erzeugung einer Schaumschlacke in einer metallischen Schmelze |
| DE102010004983A1 (de) * | 2010-01-19 | 2011-07-21 | SMS Siemag Aktiengesellschaft, 40237 | Verfahren zur Schaumschlackenerzeugung einer Rostfreischmelze in einem Konverter |
| DE102010022692A1 (de) | 2010-03-17 | 2011-09-22 | Sms Siemag Ag | Brikett zur Erzeugung eines Schaumschlacke-Effekts bei der EAF-Technologie der Edelstahlherstellung |
| KR101229899B1 (ko) * | 2010-12-22 | 2013-02-05 | 주식회사 포스코 | 슬래그 포밍 촉진제 |
| KR101499200B1 (ko) * | 2013-06-27 | 2015-03-05 | 현대제철 주식회사 | 용광로 |
| HUE034189T2 (en) * | 2014-12-17 | 2018-02-28 | Refractory Intellectual Property Gmbh & Co Kg | Mixture, use of this mixture, and a method of conditioning the slag from metallic melt in a metallurgical vessel in iron and steel metallurgy |
| CN104726636A (zh) * | 2015-03-30 | 2015-06-24 | 山西太钢不锈钢股份有限公司 | 一种电炉冶炼不锈钢发泡剂及其发泡方法 |
| JP6620781B2 (ja) * | 2017-05-15 | 2019-12-18 | Ｊｆｅスチール株式会社 | ダストの溶融還元方法及び再利用方法 |
| CN114317885B (zh) * | 2022-01-11 | 2022-11-22 | 安徽工业大学 | 一种生物质电炉发泡剂及其制作方法和应用方法 |
| WO2025125871A1 (en) * | 2023-12-13 | 2025-06-19 | Arcelormittal | A steelmaking method |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3807986A (en) * | 1971-06-09 | 1974-04-30 | Lukens Steel Co | Combination iron and iron oxide briquette and method of using |
| US3843767A (en) * | 1972-03-27 | 1974-10-22 | Du Pont | Process for treating fluophosphate ores |
| US3925060A (en) * | 1974-09-23 | 1975-12-09 | Timken Co | Compact containing iron oxide and carbon and method for its use in steelmaking |
| SU1273394A1 (ru) * | 1985-07-22 | 1986-11-30 | Оскольский Электрометаллургический Комбинат Им.Л.И.Брежнева | Способ выплавки стали |
| SU1638176A1 (ru) * | 1988-11-30 | 1991-03-30 | Оскольский электрометаллургический комбинат | Способ выплавки сталей из металлизованных окатышей в дуговой печи |
| JPH04131314A (ja) * | 1990-09-21 | 1992-05-06 | Nippon Stainless Steel Co Ltd | ステンレス鋼製造時の副生物から有価金属を回収する方法 |
| RU2026361C1 (ru) * | 1991-06-05 | 1995-01-09 | Акционерная компания "Тулачермет" | Способ выплавки стали в дуговой печи |
| EP0655508B1 (en) | 1993-11-30 | 1998-08-19 | ACCIAI SPECIALI TERNI S.p.a. | Process for using foamed slag in stainless steel production in the electric arc furnace |
| FR2753205B1 (fr) | 1996-09-12 | 1998-12-04 | Usinor Sacilor | Procede pour realiser un laitier moussant au-dessus d'un acier inoxydable en fusion dans un four electrique |
| JPH11302712A (ja) * | 1998-04-16 | 1999-11-02 | Tetsugen Corp | 鉄酸化物の還元溶解精錬方法 |
| SE512757C2 (sv) * | 1998-09-03 | 2000-05-08 | Uddeholm Technology Ab | Tillsats av dopingmedel vid tillverkning av stål i ljusbågsugn, dopingmedlet samt användning av detta |
| US6214085B1 (en) * | 1999-02-01 | 2001-04-10 | Calderon Energy Company Of Bowling Green, Inc. | Method for direct steelmaking |
| LU90409B1 (fr) * | 1999-06-25 | 2001-01-02 | Wurth Paul Sa | Proc-d- d'optimisation du fonctionnement d'un four -lectrique du type - arc submerg- |
| RU2149190C1 (ru) * | 1999-11-02 | 2000-05-20 | Закрытое акционерное общество "Инжмет-Тулачермет" | Способ получения шихтового материала для металлургического передела |
| LU90481B1 (fr) | 1999-12-01 | 2001-06-05 | Wurth Paul Sa | Proc-d- de post-traitement de laitiers m-tallurgiques |
-
2003
- 2003-05-24 DE DE10323505A patent/DE10323505A1/de not_active Withdrawn
-
2004
- 2004-04-22 TW TW093111178A patent/TWI295690B/zh not_active IP Right Cessation
- 2004-04-23 JP JP2006529704A patent/JP4701331B2/ja not_active Expired - Fee Related
- 2004-04-23 UA UAA200512440A patent/UA84151C2/ru unknown
- 2004-04-23 CA CA2519728A patent/CA2519728C/en not_active Expired - Fee Related
- 2004-04-23 RU RU2005140564/02A patent/RU2343208C2/ru not_active IP Right Cessation
- 2004-04-23 CN CN201110027012XA patent/CN102061356A/zh active Pending
- 2004-04-23 US US10/557,190 patent/US20060260435A1/en not_active Abandoned
- 2004-04-23 WO PCT/EP2004/004312 patent/WO2004104232A1/de not_active Ceased
- 2004-04-23 EP EP04729075A patent/EP1629126B1/de not_active Expired - Lifetime
- 2004-04-23 CN CNA2004800143226A patent/CN1795277A/zh active Pending
- 2004-05-20 MY MYPI20041932A patent/MY146471A/en unknown
-
2005
- 2005-07-14 ZA ZA200505659A patent/ZA200505659B/en unknown
- 2005-11-23 KR KR1020057022381A patent/KR101174691B1/ko not_active Expired - Fee Related
-
2012
- 2012-09-12 US US13/611,671 patent/US20130000446A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| TWI295690B (en) | 2008-04-11 |
| WO2004104232A1 (de) | 2004-12-02 |
| KR101174691B1 (ko) | 2012-08-17 |
| TW200427844A (en) | 2004-12-16 |
| UA84151C2 (ru) | 2008-09-25 |
| US20130000446A1 (en) | 2013-01-03 |
| MY146471A (en) | 2012-08-15 |
| DE10323505A1 (de) | 2004-12-09 |
| EP1629126B1 (de) | 2013-03-13 |
| CA2519728A1 (en) | 2004-12-02 |
| WO2004104232A8 (de) | 2006-03-02 |
| CA2519728C (en) | 2011-06-14 |
| US20060260435A1 (en) | 2006-11-23 |
| CN102061356A (zh) | 2011-05-18 |
| JP4701331B2 (ja) | 2011-06-15 |
| EP1629126A1 (de) | 2006-03-01 |
| RU2343208C2 (ru) | 2009-01-10 |
| RU2005140564A (ru) | 2006-05-10 |
| JP2007501900A (ja) | 2007-02-01 |
| CN1795277A (zh) | 2006-06-28 |
| KR20060004700A (ko) | 2006-01-12 |
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