ZA200102280B - Method for feeding fines or granules into a light-arc furnace. - Google Patents
Method for feeding fines or granules into a light-arc furnace. Download PDFInfo
- Publication number
- ZA200102280B ZA200102280B ZA200102280A ZA200102280A ZA200102280B ZA 200102280 B ZA200102280 B ZA 200102280B ZA 200102280 A ZA200102280 A ZA 200102280A ZA 200102280 A ZA200102280 A ZA 200102280A ZA 200102280 B ZA200102280 B ZA 200102280B
- Authority
- ZA
- South Africa
- Prior art keywords
- electrode
- fines
- granules
- feed channel
- column
- Prior art date
Links
- 239000008187 granular material Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 24
- 239000002893 slag Substances 0.000 claims description 10
- 238000011065 in-situ storage Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000002003 electrode paste Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000007790 solid phase Substances 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000011796 hollow space material Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910001021 Ferroalloy Inorganic materials 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- 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
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/08—Heating by electric discharge, e.g. arc discharge
- F27D11/10—Disposition of electrodes
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/06—Electrodes
- H05B7/08—Electrodes non-consumable
- H05B7/085—Electrodes non-consumable mainly consisting of carbon
- H05B7/09—Self-baking electrodes, e.g. Söderberg type electrodes
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Gasification And Melting Of Waste (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Electrolytic Production Of Metals (AREA)
- Discharge Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU90293A LU90293B1 (fr) | 1998-10-06 | 1998-10-06 | Procédé pour l'enfournement de fines ou de granulés dans un four à arc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200102280B true ZA200102280B (en) | 2002-06-19 |
Family
ID=19731770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200102280A ZA200102280B (en) | 1998-10-06 | 2001-03-19 | Method for feeding fines or granules into a light-arc furnace. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6452955B1 (de) |
| EP (1) | EP1119734B1 (de) |
| AT (1) | ATE217414T1 (de) |
| AU (1) | AU6331399A (de) |
| BR (1) | BR9914633A (de) |
| DE (1) | DE69901460T2 (de) |
| LU (1) | LU90293B1 (de) |
| TW (1) | TW462991B (de) |
| WO (1) | WO2000020815A1 (de) |
| ZA (1) | ZA200102280B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MXPA06014556A (es) * | 2004-06-12 | 2007-06-05 | Iron Mount Corp | Metodo y aparato para llevar a cabo un proceso metalurgico. |
| CN101261078B (zh) * | 2008-01-03 | 2010-10-06 | 谢西平 | 大型直流中空电极密闭矿热炉 |
| LU100535B1 (en) * | 2017-12-07 | 2019-06-12 | Wurth Paul Sa | Charging system, in particular for a shaft smelt reduction furnace |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB811803A (en) * | 1956-07-30 | 1959-04-15 | British Oxygen Co Ltd | Treatment of molten metals and alloys |
| US3215522A (en) * | 1960-11-22 | 1965-11-02 | Union Carbide Corp | Silicon metal production |
| US3471626A (en) * | 1968-03-21 | 1969-10-07 | Union Carbide Corp | Hollow electrode control device |
| CH568538A5 (de) * | 1972-07-20 | 1975-10-31 | Donau Chemie Ag | |
| SE371651C (sv) * | 1973-03-30 | 1976-12-06 | Asea Ab | Sett och anordning for smeltreduktion |
| SE7503782L (sv) * | 1975-04-02 | 1976-10-03 | Asea Ab | Sett och anordning for smeltreduktion av finkornigt jernoxidhaltigt material |
| US4146390A (en) * | 1975-06-19 | 1979-03-27 | Asea Aktiebolag | Furnace and method for the melt reduction of iron oxide |
| US4147887A (en) * | 1975-08-05 | 1979-04-03 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Electric smelting furnace |
| DE2536083A1 (de) | 1975-08-13 | 1977-02-17 | Ishikawajima Harima Heavy Ind | Elektroschmelzofen |
| US4133968A (en) * | 1977-05-26 | 1979-01-09 | Frolov Jury F | Apparatus for forming self-sintering electrodes |
| GB2076949B (en) * | 1980-05-29 | 1983-11-16 | Asea Ab | Means for the melt reduction of metal oxide material |
| CH653201A5 (en) | 1981-03-18 | 1985-12-13 | Bbc Brown Boveri & Cie | Hollow electrode for feeding arc furnaces |
| SE452990B (sv) * | 1985-06-28 | 1988-01-04 | Asea Ab | Sett for framstellning av stal i en ljusbagsugn forsedd med elektrod med genomgaende kanal |
| DE4211164C2 (de) * | 1992-03-31 | 1995-02-16 | Mannesmann Ag | Verfahren und Vorrichtung zum Behandeln von riesel- oder fließfähigem Material |
| US5174810A (en) * | 1992-02-19 | 1992-12-29 | Dow Corning Corporation | Ferrosilicon smelting in a direct current furnace |
| DE19612383C1 (de) * | 1996-03-28 | 1997-07-17 | Asea Brown Boveri | Verfahren zum Betreiben eines Lichtbogenofens und Lichtbogenofen |
-
1998
- 1998-10-06 LU LU90293A patent/LU90293B1/fr active
-
1999
- 1999-01-14 TW TW088100506A patent/TW462991B/zh not_active IP Right Cessation
- 1999-09-30 WO PCT/EP1999/007255 patent/WO2000020815A1/fr active IP Right Grant
- 1999-09-30 DE DE69901460T patent/DE69901460T2/de not_active Expired - Lifetime
- 1999-09-30 AU AU63313/99A patent/AU6331399A/en not_active Abandoned
- 1999-09-30 EP EP99950581A patent/EP1119734B1/de not_active Expired - Lifetime
- 1999-09-30 AT AT99950581T patent/ATE217414T1/de not_active IP Right Cessation
- 1999-09-30 BR BR9914633-9A patent/BR9914633A/pt not_active IP Right Cessation
- 1999-09-30 US US09/806,991 patent/US6452955B1/en not_active Expired - Fee Related
-
2001
- 2001-03-19 ZA ZA200102280A patent/ZA200102280B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE69901460D1 (de) | 2002-06-13 |
| US6452955B1 (en) | 2002-09-17 |
| LU90293B1 (fr) | 2000-04-07 |
| WO2000020815A1 (fr) | 2000-04-13 |
| TW462991B (en) | 2001-11-11 |
| AU6331399A (en) | 2000-04-26 |
| DE69901460T2 (de) | 2002-11-07 |
| EP1119734B1 (de) | 2002-05-08 |
| EP1119734A1 (de) | 2001-08-01 |
| ATE217414T1 (de) | 2002-05-15 |
| BR9914633A (pt) | 2001-07-03 |
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