NO751095L - - Google Patents
Info
- Publication number
- NO751095L NO751095L NO751095A NO751095A NO751095L NO 751095 L NO751095 L NO 751095L NO 751095 A NO751095 A NO 751095A NO 751095 A NO751095 A NO 751095A NO 751095 L NO751095 L NO 751095L
- Authority
- NO
- Norway
- Prior art keywords
- furnace
- slag
- coating
- electrodes
- steel
- Prior art date
Links
- 239000002893 slag Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 239000008188 pellet Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 7
- 238000010079 rubber tapping Methods 0.000 description 4
- 238000010923 batch production Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000006978 adaptation Effects 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
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 229910052905 tridymite 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
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/12—Making spongy iron or liquid steel, by direct processes 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- 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
- F27B3/02—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces of single-chamber fixed-hearth type
-
- 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
-
- 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
-
- 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)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2415967A DE2415967A1 (de) | 1974-04-02 | 1974-04-02 | Verfahren zum erschmelzen von stahl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO751095L true NO751095L (show.php) | 1975-10-03 |
Family
ID=5911947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO751095A NO751095L (show.php) | 1974-04-02 | 1975-04-01 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS50134912A (show.php) |
| CA (1) | CA1081968A (show.php) |
| DE (1) | DE2415967A1 (show.php) |
| ES (1) | ES436098A1 (show.php) |
| FR (1) | FR2265864B3 (show.php) |
| GB (1) | GB1502992A (show.php) |
| IT (1) | IT1034650B (show.php) |
| NO (1) | NO751095L (show.php) |
| ZA (1) | ZA752046B (show.php) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2608320C2 (de) * | 1976-02-28 | 1978-12-07 | Demag Ag | Verfahren zum kontinuierlichen erschmelzen von stahl mit hohem reinheitsgrad |
| ZA935072B (en) * | 1992-08-11 | 1994-02-07 | Mintek | The production of high titania slag from ilmenite |
| US20020157582A1 (en) * | 2001-03-05 | 2002-10-31 | Mccomb Frederick Stephen | Furnace and a method of controlling a furnace |
| US6689182B2 (en) | 2001-10-01 | 2004-02-10 | Kobe Steel, Ltd. | Method and device for producing molten iron |
| JP5166805B2 (ja) | 2007-09-19 | 2013-03-21 | 株式会社神戸製鋼所 | アーク加熱による溶鉄製造方法 |
| JP7094259B2 (ja) | 2019-11-21 | 2022-07-01 | 株式会社神戸製鋼所 | 溶鋼の製造方法 |
-
1974
- 1974-04-02 DE DE2415967A patent/DE2415967A1/de active Pending
-
1975
- 1975-03-26 ES ES436098A patent/ES436098A1/es not_active Expired
- 1975-03-27 GB GB12927/75A patent/GB1502992A/en not_active Expired
- 1975-03-27 IT IT21742/75A patent/IT1034650B/it active
- 1975-03-31 JP JP50039010A patent/JPS50134912A/ja active Pending
- 1975-04-01 NO NO751095A patent/NO751095L/no unknown
- 1975-04-01 CA CA223,556A patent/CA1081968A/en not_active Expired
- 1975-04-02 ZA ZA00752046A patent/ZA752046B/xx unknown
- 1975-04-02 FR FR7510326A patent/FR2265864B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1502992A (en) | 1978-03-08 |
| JPS50134912A (show.php) | 1975-10-25 |
| FR2265864A1 (show.php) | 1975-10-24 |
| FR2265864B3 (show.php) | 1977-12-16 |
| CA1081968A (en) | 1980-07-22 |
| IT1034650B (it) | 1979-10-10 |
| ZA752046B (en) | 1976-03-31 |
| ES436098A1 (es) | 1977-01-01 |
| DE2415967A1 (de) | 1975-10-09 |
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