NO125494B - - Google Patents
Download PDFInfo
- Publication number
- NO125494B NO125494B NO0384/69A NO38469A NO125494B NO 125494 B NO125494 B NO 125494B NO 0384/69 A NO0384/69 A NO 0384/69A NO 38469 A NO38469 A NO 38469A NO 125494 B NO125494 B NO 125494B
- Authority
- NO
- Norway
- Prior art keywords
- furnace
- coating
- reducing agent
- layer
- molten
- Prior art date
Links
- 239000011248 coating agent Substances 0.000 claims description 32
- 238000000576 coating method Methods 0.000 claims description 32
- 239000003638 chemical reducing agent Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 239000012768 molten material Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 23
- 230000009467 reduction Effects 0.000 description 9
- 239000011247 coating layer Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910000805 Pig iron Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- NNJPGOLRFBJNIW-HNNXBMFYSA-N (-)-demecolcine Chemical compound C1=C(OC)C(=O)C=C2[C@@H](NC)CCC3=CC(OC)=C(OC)C(OC)=C3C2=C1 NNJPGOLRFBJNIW-HNNXBMFYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 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
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc 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; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
-
- 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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO751654A NO751654L (xx) | 1968-02-03 | 1975-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP656468A JPS547723B1 (xx) | 1968-02-03 | 1968-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO125494B true NO125494B (xx) | 1972-09-18 |
Family
ID=11641814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO0384/69A NO125494B (xx) | 1968-02-03 | 1969-01-31 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3569987A (xx) |
| JP (1) | JPS547723B1 (xx) |
| BE (1) | BE727847A (xx) |
| DE (1) | DE1904895B2 (xx) |
| FR (1) | FR2001293A1 (xx) |
| GB (1) | GB1261241A (xx) |
| NO (1) | NO125494B (xx) |
| SE (1) | SE384380B (xx) |
| SU (1) | SU405207A3 (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4330204B2 (ja) * | 1999-04-16 | 2009-09-16 | 株式会社チサキ | 原料加熱装置 |
| US9186724B2 (en) * | 2012-08-10 | 2015-11-17 | Siemens Energy, Inc. | Electroslag and electrogas repair of superalloy components |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2370467A (en) * | 1942-01-15 | 1945-02-27 | Kellogg M W Co | Metal fusing apparatus and method |
| FR1264474A (fr) * | 1959-11-19 | 1961-06-23 | Renault | Procédé de fusion à électrode consommable sous laitier et à coulée continue |
| GB1024043A (en) * | 1962-01-24 | 1966-03-30 | Aei Birlec Ltd | Production of metals or alloys from ores |
-
1968
- 1968-02-03 JP JP656468A patent/JPS547723B1/ja active Pending
-
1969
- 1969-01-24 GB GB4159/69A patent/GB1261241A/en not_active Expired
- 1969-01-31 DE DE19691904895 patent/DE1904895B2/de active Pending
- 1969-01-31 NO NO0384/69A patent/NO125494B/no unknown
- 1969-02-03 SU SU1304973A patent/SU405207A3/ru active
- 1969-02-03 SE SE6901424A patent/SE384380B/xx unknown
- 1969-02-03 US US795816A patent/US3569987A/en not_active Expired - Lifetime
- 1969-02-03 BE BE727847D patent/BE727847A/xx unknown
- 1969-02-03 FR FR6902295A patent/FR2001293A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS547723B1 (xx) | 1979-04-10 |
| GB1261241A (en) | 1972-01-26 |
| DE1904895B2 (de) | 1971-09-02 |
| DE1904895A1 (de) | 1969-09-11 |
| FR2001293A1 (xx) | 1969-09-26 |
| US3569987A (en) | 1971-03-09 |
| SU405207A3 (xx) | 1973-10-22 |
| BE727847A (xx) | 1969-07-16 |
| SE384380B (sv) | 1976-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO163493B (no) | Fremgangsmaate ved fremstilling av metaller og/eller generering av slagg. | |
| KR930009971B1 (ko) | 용융선철 또는 강 예비 생산물의 생산방법 및 장치 | |
| US3353807A (en) | Smelting furnace for the production of steel | |
| US3424573A (en) | Process for combined oxygen iron refining and producing of ferrous melts | |
| US2740710A (en) | Method for the production of iron, nickel, cobalt, manganese, and chromium from their ores | |
| NO844797L (no) | Fremgangsmaate ved forgassing av et karbonholdig materiale. | |
| NO125494B (xx) | ||
| US2704248A (en) | Method of separating ferrous metal from its gangue | |
| US1357781A (en) | Blast treatment of metals | |
| US2368508A (en) | Process of treating ores and electric furnace therefor | |
| US1319589A (en) | Process of extracting iron from its ore | |
| US3338707A (en) | Plants for the igneous extraction of metals from their ores and remelting of the metals for foundry purposes or further treatment | |
| US3163521A (en) | Process and apparatus for the recovery of liquid iron by reacting iron oxide ore | |
| US3102806A (en) | Reverberatory smelting method and apparatus | |
| US4001013A (en) | Method of operating copper ore smelting reverberatory furnace | |
| US1934082A (en) | Reduction of ore | |
| US815016A (en) | Process of smelting iron ore. | |
| US3108869A (en) | Ore reduction furnace and method | |
| US3295955A (en) | Smelting method and device | |
| US2240231A (en) | Production of alloys of chromium | |
| US1626292A (en) | Process of and apparatus for making of fluxing materials | |
| US4045211A (en) | Method for increasing radiant heat transfer from hot gases | |
| US740025A (en) | Method of carburizing iron. | |
| JPH02200713A (ja) | 溶銑の製造装置および製造方法 | |
| US3001863A (en) | Process for obtaining ferrous metals and alloys from their ores |