ZA200206543B - Method relating to manufacturing of steel. - Google Patents
Method relating to manufacturing of steel. Download PDFInfo
- Publication number
- ZA200206543B ZA200206543B ZA200206543A ZA200206543A ZA200206543B ZA 200206543 B ZA200206543 B ZA 200206543B ZA 200206543 A ZA200206543 A ZA 200206543A ZA 200206543 A ZA200206543 A ZA 200206543A ZA 200206543 B ZA200206543 B ZA 200206543B
- Authority
- ZA
- South Africa
- Prior art keywords
- gpi
- furnace
- added
- iron
- slag
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 60
- 239000010959 steel Substances 0.000 title claims description 60
- 238000000034 method Methods 0.000 title claims description 47
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000002893 slag Substances 0.000 claims description 66
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 58
- 229910052799 carbon Inorganic materials 0.000 claims description 48
- 229910052751 metal Inorganic materials 0.000 claims description 45
- 229910052710 silicon Inorganic materials 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 36
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 31
- 239000002019 doping agent Substances 0.000 claims description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 29
- 239000000155 melt Substances 0.000 claims description 26
- 239000002245 particle Substances 0.000 claims description 26
- 239000002994 raw material Substances 0.000 claims description 25
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- 238000002844 melting Methods 0.000 claims description 21
- 230000008018 melting Effects 0.000 claims description 21
- 229910000805 Pig iron Inorganic materials 0.000 claims description 19
- 238000005187 foaming Methods 0.000 claims description 19
- 239000008187 granular material Substances 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 16
- 230000009467 reduction Effects 0.000 claims description 16
- 230000003647 oxidation Effects 0.000 claims description 15
- 238000007254 oxidation reaction Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 13
- 150000002739 metals Chemical class 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 238000010891 electric arc Methods 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 7
- 229910001882 dioxygen Inorganic materials 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052718 tin Inorganic materials 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 238000011946 reduction process Methods 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 230000020169 heat generation Effects 0.000 claims description 3
- 239000000161 steel melt Substances 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 5
- 239000003546 flue gas Substances 0.000 claims 2
- 235000012239 silicon dioxide Nutrition 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 2
- 239000000969 carrier Substances 0.000 claims 1
- 229910052681 coesite Inorganic materials 0.000 claims 1
- 229910052906 cristobalite Inorganic materials 0.000 claims 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims 1
- 229910052682 stishovite Inorganic materials 0.000 claims 1
- 229910052905 tridymite Inorganic materials 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 17
- 238000006722 reduction reaction Methods 0.000 description 16
- 238000007792 addition Methods 0.000 description 14
- 230000008901 benefit Effects 0.000 description 8
- 235000013980 iron oxide Nutrition 0.000 description 6
- 239000011135 tin Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 229910001567 cementite Inorganic materials 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000009845 electric arc furnace steelmaking Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002801 charged material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910021386 carbon form Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 244000239634 longleaf box Species 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000007903 penetration ability Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- 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
- C21C5/527—Charging of the electric furnace
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (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)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0000510A SE517296C2 (sv) | 2000-02-17 | 2000-02-17 | Sätt vid tillverkning av stål i ljusbågsugn under användande av granulerat tackjärn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200206543B true ZA200206543B (en) | 2003-04-10 |
Family
ID=20278480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200206543A ZA200206543B (en) | 2000-02-17 | 2002-08-15 | Method relating to manufacturing of steel. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20030164062A1 (sv) |
| EP (1) | EP1261747A1 (sv) |
| AU (1) | AU2001232571A1 (sv) |
| SE (1) | SE517296C2 (sv) |
| WO (1) | WO2001061056A1 (sv) |
| ZA (1) | ZA200206543B (sv) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUA20163986A1 (it) * | 2016-05-31 | 2017-12-01 | Tenova Spa | Metodo ed apparato per la produzione di ghisa, ghisa prodotta secondo detto metodo |
| CN111893239B (zh) * | 2020-09-02 | 2021-10-19 | 北京科技大学 | 利用直接还原法结合电炉双渣法冶炼高磷铁精矿的工艺 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2328046A1 (fr) * | 1975-10-14 | 1977-05-13 | Siderurgie Fse Inst Rech | Procede et dispositif d'elaboration d'acier a partir de produits solides riches en fer |
| US5471495A (en) * | 1991-11-18 | 1995-11-28 | Voest-Alpine Industrieanlagenbeau Gmbh | Electric arc furnace arrangement for producing steel |
| AT400245B (de) * | 1993-12-10 | 1995-11-27 | Voest Alpine Ind Anlagen | Verfahren und anlage zum herstellen einer eisenschmelze |
| 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 |
| AT405054B (de) * | 1997-06-18 | 1999-05-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zum herstellen einer eisenschmelze unter einsatz von eisenhältigen hüttenwerksreststoffen |
| JPH11344287A (ja) * | 1998-04-01 | 1999-12-14 | Nkk Corp | アーク炉操業方法 |
| 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 |
-
2000
- 2000-02-17 SE SE0000510A patent/SE517296C2/sv not_active IP Right Cessation
-
2001
- 2001-02-13 WO PCT/SE2001/000278 patent/WO2001061056A1/en not_active Application Discontinuation
- 2001-02-13 US US10/204,215 patent/US20030164062A1/en not_active Abandoned
- 2001-02-13 AU AU2001232571A patent/AU2001232571A1/en not_active Abandoned
- 2001-02-13 EP EP01904746A patent/EP1261747A1/en not_active Withdrawn
-
2002
- 2002-08-15 ZA ZA200206543A patent/ZA200206543B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20030164062A1 (en) | 2003-09-04 |
| SE0000510L (sv) | 2001-08-18 |
| SE517296C2 (sv) | 2002-05-21 |
| AU2001232571A1 (en) | 2001-08-27 |
| WO2001061056A1 (en) | 2001-08-23 |
| EP1261747A1 (en) | 2002-12-04 |
| SE0000510D0 (sv) | 2000-02-17 |
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