BG60921B2 - Метод и устройство за непрекъснато производство на стомана - Google Patents
Метод и устройство за непрекъснато производство на стомана Download PDFInfo
- Publication number
- BG60921B2 BG60921B2 BG074375A BG7437586A BG60921B2 BG 60921 B2 BG60921 B2 BG 60921B2 BG 074375 A BG074375 A BG 074375A BG 7437586 A BG7437586 A BG 7437586A BG 60921 B2 BG60921 B2 BG 60921B2
- Authority
- BG
- Bulgaria
- Prior art keywords
- furnace
- slag
- melt
- bath
- metal
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 238000005266 casting Methods 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 238000007670 refining Methods 0.000 claims abstract description 17
- 238000002844 melting Methods 0.000 claims abstract description 15
- 230000008018 melting Effects 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000011049 filling Methods 0.000 claims abstract description 3
- 239000002893 slag Substances 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 23
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 21
- 239000002699 waste material Substances 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 229910001018 Cast iron Inorganic materials 0.000 claims description 12
- 238000010891 electric arc Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 238000010924 continuous production Methods 0.000 claims description 5
- 239000013072 incoming material Substances 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 235000019738 Limestone Nutrition 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- 239000006028 limestone Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000009628 steelmaking Methods 0.000 claims description 2
- 239000010814 metallic waste Substances 0.000 claims 3
- 238000007789 sealing Methods 0.000 claims 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 238000007664 blowing Methods 0.000 claims 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000010436 fluorite Substances 0.000 claims 1
- 230000037406 food intake Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 238000009851 ferrous metallurgy Methods 0.000 abstract description 2
- 238000003908 quality control method Methods 0.000 abstract description 2
- 239000003575 carbonaceous material Substances 0.000 abstract 1
- -1 slag-forming Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 229910052742 iron Inorganic materials 0.000 description 11
- 238000011068 loading method Methods 0.000 description 9
- 238000005275 alloying Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000030609 dephosphorylation Effects 0.000 description 1
- 238000006209 dephosphorylation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
-
- 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
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
- F27D13/002—Preheating scrap
-
- 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
- C21C5/56—Manufacture of steel by other methods
- C21C5/567—Manufacture of steel by other methods operating in a continuous way
-
- 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
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/18—Arrangements of devices for charging
- F27B3/183—Charging of arc furnaces vertically through the roof, e.g. in three points
-
- 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
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/19—Arrangements of devices for discharging
-
- 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
- F27B3/06—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces with movable working chambers or hearths, e.g. tiltable, oscillating or describing a composed movement
- F27B3/065—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces with movable working chambers or hearths, e.g. tiltable, oscillating or describing a composed movement tiltable
-
- 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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/003—Extraction of waste gases, collection of fumes and hoods used therefor of waste gases emanating from an electric arc furnace
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/636,944 US4543124A (en) | 1984-08-02 | 1984-08-02 | Apparatus for continuous steelmaking |
| US06/720,225 US4564388A (en) | 1984-08-02 | 1985-04-05 | Method for continuous steelmaking |
| PCT/US1985/001473 WO1986001230A1 (en) | 1984-08-02 | 1985-07-30 | Method and apparatus for continuous steelmaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG60921B2 true BG60921B2 (bg) | 1996-06-28 |
Family
ID=27092731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG074375A BG60921B2 (bg) | 1984-08-02 | 1986-04-01 | Метод и устройство за непрекъснато производство на стомана |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4564388A (de) |
| EP (1) | EP0190313B2 (de) |
| KR (1) | KR930007137B1 (de) |
| AU (2) | AU571109B2 (de) |
| BG (1) | BG60921B2 (de) |
| BR (1) | BR8506851A (de) |
| DE (1) | DE3577728D1 (de) |
| SU (1) | SU1496637A3 (de) |
| WO (1) | WO1986001230A1 (de) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696458A (en) * | 1986-01-15 | 1987-09-29 | Blaw Knox Corporation | Method and plant for fully continuous production of steel strip from ore |
| IT1201815B (it) * | 1986-09-25 | 1989-02-02 | Danieli Off Mecc | Impianto di trasformazione di una carica metallica in semiprodotti e procedimento di fusione e colaggio connesso |
| CA2075294A1 (fr) * | 1990-12-06 | 1992-06-07 | Claude Bonnet | Installation de production de metal fondu dans un four electrique |
| FR2670216B1 (fr) * | 1990-12-06 | 1993-11-19 | Clecim | Installation d'elaboration d'acier dans un four electrique. |
| JPH06145760A (ja) * | 1992-09-18 | 1994-05-27 | Kyoei Seiko Kk | 連続自動製鋼方法及びその装置 |
| AT403292B (de) * | 1993-01-26 | 1997-12-29 | Voest Alpine Ind Anlagen | Verfahren und anlage zum vorwärmen und einschmelzen von metallischem einsatzmaterial |
| FR2705364B1 (fr) * | 1993-05-13 | 1995-08-11 | Clecim Sa | Procédé de préchauffage et de fusion de ferraille dans un four électrique et installation de production de métal liquide mettant en Óoeuvre le procédé. |
| DE69528641D1 (de) * | 1994-03-04 | 2002-11-28 | Aktsionernoe Obschestvo Zakryt | Metallurgische umwandlung |
| RU2094478C1 (ru) * | 1995-02-13 | 1997-10-27 | Акционерное общество закрытого типа "Интермет-Сервис и К" | Композиционная шихта для металлургического передела |
| CH690284A5 (it) * | 1995-05-24 | 2000-06-30 | Elti Srl | Procedimento di preriscaldo del rottame per postcombustione dei fumi e dispositivo per realizzare il procedimento. |
| RU2092573C1 (ru) * | 1995-05-26 | 1997-10-10 | Акционерное общество закрытого типа "Интермет-Сервис и Компания" | Шихтовая заготовка для металлургического передела |
| CH690128A5 (it) * | 1995-06-08 | 2000-05-15 | Elti Srl | Procedimento di fusione di metalli ferrosi mediante un forno ad arco elettrico. |
| US6149709A (en) * | 1997-09-01 | 2000-11-21 | Kabushiki Kaisha Kobe Seiko Sho | Method of making iron and steel |
| DE19744151C5 (de) * | 1997-10-07 | 2004-08-26 | Outokumpu Oyj | Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen |
| DE19748310C1 (de) * | 1997-10-31 | 1998-12-17 | Siemens Ag | Verfahren und Einrichtung zur Steuerung der Schaumschlackenbildung in einem Lichtbogenofen |
| CN100343396C (zh) * | 1998-10-30 | 2007-10-17 | 米德雷克斯技术公司 | 使用二联炉生产熔化铁的方法 |
| KR100362658B1 (ko) * | 1998-11-16 | 2003-01-24 | 주식회사 포스코 | 노상이 안정화되는 전기로 조업방법 |
| US6875251B2 (en) * | 2002-05-15 | 2005-04-05 | Hatch Ltd. | Continuous steelmaking process |
| ITUD20030231A1 (it) * | 2003-11-27 | 2005-05-28 | Danieli Off Mecc | Procedimento di pre-riscaldo, trasformazione e fusione di una carica metallica e relativo impianto. |
| DE102004040494C5 (de) * | 2004-08-20 | 2012-10-11 | Siemens Ag | Verfahren und Vorrichtung zum Betrieb eines Elektrolichtbogenofens |
| US7513929B2 (en) * | 2005-04-01 | 2009-04-07 | Heritage Environmental Services, Llc | Operation of iron oxide recovery furnace for energy savings, volatile metal removal and slag control |
| US7618582B2 (en) * | 2005-05-06 | 2009-11-17 | The Curators Of The University Of Missouri | Continuous steel production and apparatus |
| WO2009095942A1 (en) * | 2008-02-01 | 2009-08-06 | Concast Ag | Iron metallurgical plant |
| US7740681B2 (en) * | 2008-03-14 | 2010-06-22 | Heritage Environmental Services, Llc | Reductant addition in a channel induction furnace |
| ES2332852B1 (es) | 2008-04-02 | 2010-07-16 | Javier Guiu Lapresta | Sistema de control del flujo termico en horno electrico de arco. |
| DE102008019868A1 (de) | 2008-04-16 | 2009-10-22 | Sms Siemag Aktiengesellschaft | Kontinuierliche Schrottzuführung in einen Elektrischen Schmelzofen (EAF) |
| DE102008037111A1 (de) | 2008-08-06 | 2010-02-11 | Sms Siemag Aktiengesellschaft | Kontinuierliche Schrottzuführung in einen elektrischen Schmelzofen (EAF) |
| BE1019269A3 (nl) * | 2010-04-02 | 2012-05-08 | Belgoprocess N V | Kantelbare oven. |
| IT1401116B1 (it) | 2010-07-14 | 2013-07-12 | Tenova Spa | Sistema di carica continua ad un forno fusorio di materiale metallico preriscaldato in forma continua, potenziata e combinata. |
| CN102212646B (zh) * | 2011-05-27 | 2012-05-30 | 兰州兴元钢铁有限公司 | 电炉冶炼喷碳工艺 |
| DE102011087065A1 (de) * | 2011-11-24 | 2013-05-29 | Sms Siemag Ag | Elektrolichtbogenofen und Verfahren zu seinem Betrieb |
| CN109207672B (zh) * | 2018-12-03 | 2020-02-04 | 南阳汉冶特钢有限公司 | 一种超低磷钢生产过程中的排渣方法以及超低磷钢的生产方法 |
| EP4417713A1 (de) | 2023-02-14 | 2024-08-21 | Oterdoom, Harmen | Das neuartige zweistufige (halb-)kontinuierliche verfahren für saubere schlacke und stahl oder heisseisen |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022157A (en) * | 1959-05-21 | 1962-02-20 | Pyromet Corp | Method for continuous hearth refining of steel and beneficiation of ores of ferro alloys |
| FR1481142A (fr) * | 1966-04-01 | 1967-05-19 | Siderurgie Fse Inst Rech | Procédé de fusion de produits métalliques |
| AU422152B2 (en) * | 1968-02-16 | 1972-03-07 | Monzino Riotinto Of Australia Limited | Method and apparatus for refining metals |
| US3880648A (en) * | 1973-06-27 | 1975-04-29 | Bethlehem Steel Corp | Method for producing steel in an electric arc furnace |
| IT1038230B (it) * | 1974-05-22 | 1979-11-20 | Krupp Gmbh | Procedimento per la produzione di acciaio |
| US4225745A (en) * | 1978-09-05 | 1980-09-30 | Harwell Earnest W | Method for charging small particles of iron or steel directly into molten metal in an arc furnace |
| FR2498309B1 (fr) * | 1981-01-20 | 1986-04-11 | Clesid Sa | Four electrique destine a la fusion de ferrailles et alimente en continu |
| US4457777A (en) * | 1981-09-07 | 1984-07-03 | British Steel Corporation | Steelmaking |
| US4456476A (en) * | 1982-02-24 | 1984-06-26 | Sherwood William L | Continuous steelmaking and casting |
| US4419128A (en) * | 1982-03-17 | 1983-12-06 | National Research Institute For Metals | Continuous melting, refining and casting process |
| DE3300867A1 (de) * | 1983-01-13 | 1984-07-19 | Mannesmann AG, 4000 Düsseldorf | Verfahren zur erzeugung von stahl durch einschmelzen von eisenschwamm im lichtbogenofen |
-
1985
- 1985-04-05 US US06/720,225 patent/US4564388A/en not_active Expired - Lifetime
- 1985-07-30 AU AU46782/85A patent/AU571109B2/en not_active Ceased
- 1985-07-30 WO PCT/US1985/001473 patent/WO1986001230A1/en active IP Right Grant
- 1985-07-30 EP EP85904175A patent/EP0190313B2/de not_active Expired - Lifetime
- 1985-07-30 BR BR8506851A patent/BR8506851A/pt not_active IP Right Cessation
- 1985-07-30 DE DE8585904175T patent/DE3577728D1/de not_active Expired - Lifetime
- 1985-07-30 KR KR1019860700185A patent/KR930007137B1/ko not_active IP Right Cessation
-
1986
- 1986-04-01 BG BG074375A patent/BG60921B2/bg unknown
- 1986-04-01 SU SU864027276A patent/SU1496637A3/ru active
-
1988
- 1988-01-29 AU AU11111/88A patent/AU588722B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| KR860700265A (ko) | 1986-08-01 |
| US4564388A (en) | 1986-01-14 |
| EP0190313A1 (de) | 1986-08-13 |
| DE3577728D1 (de) | 1990-06-21 |
| BR8506851A (pt) | 1986-09-23 |
| SU1496637A3 (ru) | 1989-07-23 |
| WO1986001230A1 (en) | 1986-02-27 |
| AU571109B2 (en) | 1988-03-31 |
| EP0190313B1 (de) | 1990-05-16 |
| AU4678285A (en) | 1986-03-07 |
| EP0190313B2 (de) | 1995-05-03 |
| AU588722B2 (en) | 1989-09-21 |
| KR930007137B1 (ko) | 1993-07-30 |
| AU1111188A (en) | 1988-04-28 |
| EP0190313A4 (de) | 1987-01-20 |
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