DK167510B1 - Fremgangsmaade ved forvarmning af skrot - Google Patents
Fremgangsmaade ved forvarmning af skrot Download PDFInfo
- Publication number
- DK167510B1 DK167510B1 DK428288A DK428288A DK167510B1 DK 167510 B1 DK167510 B1 DK 167510B1 DK 428288 A DK428288 A DK 428288A DK 428288 A DK428288 A DK 428288A DK 167510 B1 DK167510 B1 DK 167510B1
- Authority
- DK
- Denmark
- Prior art keywords
- gas
- scrap
- heat exchanger
- furnace
- burned
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 11
- 239000007789 gas Substances 0.000 claims description 34
- 239000000446 fuel Substances 0.000 claims description 4
- 238000010891 electric arc Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- 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
- C21C5/562—Manufacture of steel by other methods starting from scrap
- C21C5/565—Preheating of scrap
-
- 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
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S266/00—Metallurgical apparatus
- Y10S266/901—Scrap metal preheating or melting
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8605365A SE460798B (sv) | 1986-12-12 | 1986-12-12 | Saett att foervaerma skrot som skall chargeras en ugn |
| SE8605365 | 1986-12-12 | ||
| PCT/SE1987/000602 WO1988004397A1 (en) | 1986-12-12 | 1987-12-14 | A method of preheating scrap |
| SE8700602 | 1987-12-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK428288A DK428288A (da) | 1988-08-01 |
| DK428288D0 DK428288D0 (da) | 1988-08-01 |
| DK167510B1 true DK167510B1 (da) | 1993-11-08 |
Family
ID=20366626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK428288A DK167510B1 (da) | 1986-12-12 | 1988-08-01 | Fremgangsmaade ved forvarmning af skrot |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5000425A (sv) |
| EP (1) | EP0340226A1 (sv) |
| JP (1) | JPH02501589A (sv) |
| DK (1) | DK167510B1 (sv) |
| SE (1) | SE460798B (sv) |
| WO (1) | WO1988004397A1 (sv) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247420A (en) * | 1991-04-25 | 1993-09-21 | Bakhoum Ezzat G | Ground-free static charge indicator/discharger |
| DE4318935C2 (de) * | 1993-06-02 | 1997-09-11 | Mannesmann Ag | Verfahren und Vorrichtung zur Schrottvorwärmung |
| DE4325958A1 (de) * | 1993-07-29 | 1995-02-02 | Mannesmann Ag | Verfahren und Vorrichtung zum Einsetzen von Schrott |
| GB2302168B (en) * | 1995-06-13 | 1999-02-24 | Nottingham Metal Recyclers Lim | Furnance preheating method and apparatus |
| DE102004058492A1 (de) * | 2004-12-04 | 2006-06-14 | Sms Demag Ag | Verfahren und Anlage zur Sekundärstahlerzeugung auf Schrottbasis |
| ES2332852B1 (es) * | 2008-04-02 | 2010-07-16 | Javier Guiu Lapresta | Sistema de control del flujo termico en horno electrico de arco. |
| EP2792984B8 (en) | 2013-04-17 | 2021-04-21 | Gf-Elti S.R.L. | Method for preparing and feeding metal scrap to an electric smelting furnace for making steel |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3163520A (en) * | 1960-12-27 | 1964-12-29 | Elektrokemisk As | Process and apparatus for preheating and pre-reduction of charge to electric furnace |
| US4113977A (en) * | 1977-08-19 | 1978-09-12 | Brown Boveri Corporation | Preheating system with gas recirculation |
| US4249721A (en) * | 1979-05-31 | 1981-02-10 | Nikko Industry Co., Ltd. | Apparatus for preheating material to be charged into steel making equipment |
| IT1158148B (it) * | 1982-09-23 | 1987-02-18 | Danieli Off Mecc | Procedimento e mezzi per il preriscaldamento del rottame di carico di un forno fusario |
| US4548651A (en) * | 1983-04-27 | 1985-10-22 | Aluminum Company Of America | Method for reclaiming contaminated scrap metal |
| DE3447267C2 (de) * | 1984-12-22 | 1986-12-04 | Kortec AG, Zug | Vorrichtung zum Erhitzen von Chargiergut |
| DE3521569A1 (de) * | 1985-06-15 | 1986-12-18 | Neue Hamburger Stahlwerke GmbH, 2103 Hamburg | Verfahren und anlage fuer die vorwaermung von in einen elektroofen einzusetzendem schrott |
-
1986
- 1986-12-12 SE SE8605365A patent/SE460798B/sv not_active IP Right Cessation
-
1987
- 1987-12-14 JP JP63500615A patent/JPH02501589A/ja active Pending
- 1987-12-14 WO PCT/SE1987/000602 patent/WO1988004397A1/en not_active Ceased
- 1987-12-14 EP EP88900258A patent/EP0340226A1/en not_active Withdrawn
-
1988
- 1988-08-01 DK DK428288A patent/DK167510B1/da not_active IP Right Cessation
-
1989
- 1989-06-12 US US07/364,937 patent/US5000425A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DK428288A (da) | 1988-08-01 |
| JPH02501589A (ja) | 1990-05-31 |
| US5000425A (en) | 1991-03-19 |
| DK428288D0 (da) | 1988-08-01 |
| WO1988004397A1 (en) | 1988-06-16 |
| SE8605365L (sv) | 1988-06-13 |
| EP0340226A1 (en) | 1989-11-08 |
| SE8605365D0 (sv) | 1986-12-12 |
| SE460798B (sv) | 1989-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PBP | Patent lapsed |