GB2259976A - Electric arc furnace bottom stir tuyere assembly - Google Patents
Electric arc furnace bottom stir tuyere assembly Download PDFInfo
- Publication number
- GB2259976A GB2259976A GB9220230A GB9220230A GB2259976A GB 2259976 A GB2259976 A GB 2259976A GB 9220230 A GB9220230 A GB 9220230A GB 9220230 A GB9220230 A GB 9220230A GB 2259976 A GB2259976 A GB 2259976A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tuyere
- furnace
- gas
- furnace bottom
- hearth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000003756 stirring Methods 0.000 title claims abstract description 31
- 238000010891 electric arc Methods 0.000 title claims abstract description 10
- 239000011449 brick Substances 0.000 claims abstract description 25
- 230000003628 erosive effect Effects 0.000 claims abstract description 9
- 239000000155 melt Substances 0.000 claims abstract description 7
- 230000000717 retained effect Effects 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 40
- 239000002184 metal Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
- B22D1/002—Treatment with gases
- B22D1/005—Injection assemblies therefor
-
- 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
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
-
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings ; Increasing the durability of linings; Breaking away linings
-
- 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)
- Mechanical Engineering (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76560191A | 1991-09-25 | 1991-09-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9220230D0 GB9220230D0 (en) | 1992-11-04 |
| GB2259976A true GB2259976A (en) | 1993-03-31 |
Family
ID=25073978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9220230A Withdrawn GB2259976A (en) | 1991-09-25 | 1992-09-24 | Electric arc furnace bottom stir tuyere assembly |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA2078640A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2259976A (enrdf_load_stackoverflow) |
| MX (1) | MX9205449A (enrdf_load_stackoverflow) |
| TW (1) | TW206260B (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2735564A1 (fr) * | 1995-06-19 | 1996-12-20 | Air Liquide | Lance d'injection d'un fluide dans une enceinte, procede d'installation de celle-ci et brique de four la comportant |
| EP0825970A4 (en) * | 1995-05-16 | 2001-06-20 | Monofrax Inc | PROCESS FOR THE MANUFACTURE OF MELT-CAST REFRACTORY PRODUCTS |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2179724A (en) * | 1985-08-26 | 1987-03-11 | Labate Michael D | Device for introducing gas into molten metal |
| US4661153A (en) * | 1983-07-01 | 1987-04-28 | Southwire Company | Refractory porous plug |
| GB2192446A (en) * | 1986-06-24 | 1988-01-13 | Toshin Steel Co | A method of bottom blowing operation of a steel making electric furnace |
| EP0281267A1 (en) * | 1987-02-18 | 1988-09-07 | Injectall Limited | Devices and apparatus for injecting gas into high temperature liquids, E.G. molten metals |
| US4944497A (en) * | 1988-03-23 | 1990-07-31 | Radex-Heraklith Industriebeteilgungs Ag | Flushing block |
| US4991825A (en) * | 1988-12-22 | 1991-02-12 | Plibrico Co. Gmbh | Injection device |
-
1992
- 1992-08-11 TW TW081106329A patent/TW206260B/zh active
- 1992-09-18 CA CA002078640A patent/CA2078640A1/en not_active Abandoned
- 1992-09-24 MX MX9205449A patent/MX9205449A/es unknown
- 1992-09-24 GB GB9220230A patent/GB2259976A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4661153A (en) * | 1983-07-01 | 1987-04-28 | Southwire Company | Refractory porous plug |
| GB2179724A (en) * | 1985-08-26 | 1987-03-11 | Labate Michael D | Device for introducing gas into molten metal |
| GB2192446A (en) * | 1986-06-24 | 1988-01-13 | Toshin Steel Co | A method of bottom blowing operation of a steel making electric furnace |
| EP0281267A1 (en) * | 1987-02-18 | 1988-09-07 | Injectall Limited | Devices and apparatus for injecting gas into high temperature liquids, E.G. molten metals |
| US4944497A (en) * | 1988-03-23 | 1990-07-31 | Radex-Heraklith Industriebeteilgungs Ag | Flushing block |
| US4991825A (en) * | 1988-12-22 | 1991-02-12 | Plibrico Co. Gmbh | Injection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0825970A4 (en) * | 1995-05-16 | 2001-06-20 | Monofrax Inc | PROCESS FOR THE MANUFACTURE OF MELT-CAST REFRACTORY PRODUCTS |
| FR2735564A1 (fr) * | 1995-06-19 | 1996-12-20 | Air Liquide | Lance d'injection d'un fluide dans une enceinte, procede d'installation de celle-ci et brique de four la comportant |
Also Published As
| Publication number | Publication date |
|---|---|
| MX9205449A (es) | 1993-03-01 |
| GB9220230D0 (en) | 1992-11-04 |
| TW206260B (enrdf_load_stackoverflow) | 1993-05-21 |
| CA2078640A1 (en) | 1993-03-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |