FR2455086A1 - Steel prepn. by refining in a martin furnace - with introduction of scrap steel, coke and molten cast iron, and oxygen blowing with introduction of coke dust - Google Patents
Steel prepn. by refining in a martin furnace - with introduction of scrap steel, coke and molten cast iron, and oxygen blowing with introduction of coke dustInfo
- Publication number
- FR2455086A1 FR2455086A1 FR8009258A FR8009258A FR2455086A1 FR 2455086 A1 FR2455086 A1 FR 2455086A1 FR 8009258 A FR8009258 A FR 8009258A FR 8009258 A FR8009258 A FR 8009258A FR 2455086 A1 FR2455086 A1 FR 2455086A1
- Authority
- FR
- France
- Prior art keywords
- steel
- cast iron
- introduction
- scrap
- coke
- 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- Withdrawn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
- 229910000831 Steel Inorganic materials 0.000 title abstract 6
- 239000010959 steel Substances 0.000 title abstract 6
- 229910001018 Cast iron Inorganic materials 0.000 title abstract 5
- 238000007670 refining Methods 0.000 title abstract 2
- 239000000571 coke Substances 0.000 title 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
- 238000007664 blowing Methods 0.000 title 1
- 239000000428 dust Substances 0.000 title 1
- 229910052760 oxygen Inorganic materials 0.000 title 1
- 239000001301 oxygen Substances 0.000 title 1
- 238000000034 method Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000004927 fusion Effects 0.000 abstract 1
- 238000000265 homogenisation Methods 0.000 abstract 1
- 229910001338 liquidmetal Inorganic materials 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 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
- C21C5/04—Manufacture of hearth-furnace steel, e.g. Siemens-Martin steel
-
- 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
-
- 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)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
Steel is prepd. from a metallic charge consisting of scrap and cast iron by a method including successive addition to the furnace of a slagging agent, scrap and cast iron, then melting and adjusting the steel to the desired grade. The metal is carburised during fusion by powdered products blown into the liquid metal using a jet of gas. Specifically, after inserting the slag former into the furnace, a carbonaceous product is inserted along with the scrap. The process is esp. suitable using Martin furnaces fed with liq. cast iron. The time for homogenisation and adjustment to the desired compsn. can be reduced, while the proportion of molten cast iron used is reduced and the scrap increased. Hence, the price of the steel can be lowered. Carbon contents of over 0.3% can be produced in the steel half way through the refining step.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792750101A SU870440A2 (en) | 1979-04-24 | 1979-04-24 | Steel melting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2455086A1 true FR2455086A1 (en) | 1980-11-21 |
Family
ID=20820952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8009258A Withdrawn FR2455086A1 (en) | 1979-04-24 | 1980-04-24 | Steel prepn. by refining in a martin furnace - with introduction of scrap steel, coke and molten cast iron, and oxygen blowing with introduction of coke dust |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU5715580A (en) |
| FR (1) | FR2455086A1 (en) |
| IT (1) | IT8021607A0 (en) |
| SU (1) | SU870440A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994011536A1 (en) * | 1992-02-10 | 1994-05-26 | Sherwood William L | High-production rotary furnace steelmaking |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2600238A (en) * | 1949-07-22 | 1952-06-10 | American Briquet Company | Method of making steel |
| FR2389677A1 (en) * | 1977-05-04 | 1978-12-01 | Maximilianshuette Eisenwerk |
-
1979
- 1979-04-24 SU SU792750101A patent/SU870440A2/en active
-
1980
- 1980-04-03 AU AU57155/80A patent/AU5715580A/en not_active Abandoned
- 1980-04-23 IT IT8021607A patent/IT8021607A0/en unknown
- 1980-04-24 FR FR8009258A patent/FR2455086A1/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2600238A (en) * | 1949-07-22 | 1952-06-10 | American Briquet Company | Method of making steel |
| FR2389677A1 (en) * | 1977-05-04 | 1978-12-01 | Maximilianshuette Eisenwerk |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/74 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994011536A1 (en) * | 1992-02-10 | 1994-05-26 | Sherwood William L | High-production rotary furnace steelmaking |
Also Published As
| Publication number | Publication date |
|---|---|
| AU5715580A (en) | 1980-10-30 |
| IT8021607A0 (en) | 1980-04-23 |
| SU870440A2 (en) | 1981-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |