EP0172913A4 - Process and device for removing impurities contained in melted iron flowing from shaft furnace. - Google Patents
Process and device for removing impurities contained in melted iron flowing from shaft furnace.Info
- Publication number
- EP0172913A4 EP0172913A4 EP19850900768 EP85900768A EP0172913A4 EP 0172913 A4 EP0172913 A4 EP 0172913A4 EP 19850900768 EP19850900768 EP 19850900768 EP 85900768 A EP85900768 A EP 85900768A EP 0172913 A4 EP0172913 A4 EP 0172913A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- removing impurities
- impurities contained
- shaft furnace
- melted iron
- iron flowing
- 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.)
- Granted
Links
Classifications
-
- 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
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/21—Arrangements of devices for discharging
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/14—Discharging devices, e.g. for slag
-
- 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
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)
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59019179A JPS60162713A (en) | 1984-02-04 | 1984-02-04 | Device for treating molten iron |
JP59019181A JPS60162715A (en) | 1984-02-04 | 1984-02-04 | Device for treating molten iron |
JP59019177A JPS60162710A (en) | 1984-02-04 | 1984-02-04 | Device for treating molten iron |
JP19182/84 | 1984-02-04 | ||
JP19181/84 | 1984-02-04 | ||
JP19180/84 | 1984-02-04 | ||
JP59019178A JPS60162711A (en) | 1984-02-04 | 1984-02-04 | Device for treating molten iron |
JP19177/84 | 1984-02-04 | ||
JP19179/84 | 1984-02-04 | ||
JP59019180A JPS60162714A (en) | 1984-02-04 | 1984-02-04 | Device for treating molten iron |
JP19178/84 | 1984-02-04 | ||
JP59019182A JPS60162716A (en) | 1984-02-04 | 1984-02-04 | Device for treating molten iron |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0172913A1 EP0172913A1 (en) | 1986-03-05 |
EP0172913A4 true EP0172913A4 (en) | 1986-06-05 |
EP0172913B1 EP0172913B1 (en) | 1990-03-07 |
Family
ID=27548841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19850900768 Expired EP0172913B1 (en) | 1984-02-04 | 1985-02-04 | Process and device for removing impurities contained in melted iron flowing from shaft furnace |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0172913B1 (en) |
BR (1) | BR8504996A (en) |
DE (2) | DE3590051C2 (en) |
GB (1) | GB2162860B (en) |
IN (1) | IN165408B (en) |
WO (1) | WO1985003525A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1200082B (en) * | 1985-06-21 | 1989-01-05 | Centro Speriment Metallurg | CAST IRON DESULFURATION AND DEFORSFORATION PROCEDURE |
LU86689A1 (en) * | 1985-12-03 | 1987-05-04 | Centro Speriment Metallurg | CONTINUOUS PURIFICATION PROCESS OF MOLTEN CAST IRON |
IT1234939B (en) * | 1985-12-06 | 1992-06-02 | Centro Speriment Metallurg | PROCEDURE FOR THE REDUCTION OF THE CONTENT OF IMPURITIES IN CAST IRON |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1326751A (en) * | 1962-05-18 | 1963-05-10 | Broken Hill Pty Co Ltd | Continuous steel fabrication facility using oxygen |
FR1576970A (en) * | 1967-08-14 | 1969-08-01 | ||
DE1800131B1 (en) * | 1968-10-01 | 1971-05-27 | Conzinc Riotinto Ltd | Multi-zone melting process and multi-zone melting furnace for the continuous production of steel |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58130208A (en) * | 1982-01-29 | 1983-08-03 | Nippon Kokan Kk <Nkk> | Pretreatment of molten iron |
-
1985
- 1985-02-04 BR BR8504996A patent/BR8504996A/en unknown
- 1985-02-04 DE DE19853590051 patent/DE3590051C2/en not_active Expired
- 1985-02-04 WO PCT/JP1985/000046 patent/WO1985003525A1/en active IP Right Grant
- 1985-02-04 GB GB08518758A patent/GB2162860B/en not_active Expired
- 1985-02-04 EP EP19850900768 patent/EP0172913B1/en not_active Expired
- 1985-02-04 DE DE19853590051 patent/DE3590051T/en active Pending
- 1985-07-17 IN IN554/MAS/85A patent/IN165408B/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1326751A (en) * | 1962-05-18 | 1963-05-10 | Broken Hill Pty Co Ltd | Continuous steel fabrication facility using oxygen |
FR1576970A (en) * | 1967-08-14 | 1969-08-01 | ||
DE1800131B1 (en) * | 1968-10-01 | 1971-05-27 | Conzinc Riotinto Ltd | Multi-zone melting process and multi-zone melting furnace for the continuous production of steel |
Non-Patent Citations (1)
Title |
---|
See also references of WO8503525A1 * |
Also Published As
Publication number | Publication date |
---|---|
GB8518758D0 (en) | 1985-08-29 |
DE3590051T (en) | 1986-03-13 |
GB2162860B (en) | 1988-02-03 |
BR8504996A (en) | 1986-01-21 |
GB2162860A (en) | 1986-02-12 |
EP0172913B1 (en) | 1990-03-07 |
EP0172913A1 (en) | 1986-03-05 |
WO1985003525A1 (en) | 1985-08-15 |
IN165408B (en) | 1989-10-07 |
DE3590051C2 (en) | 1987-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19850925 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): FR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 19860605 |
|
17Q | First examination report despatched |
Effective date: 19880216 |
|
GRAA | (expected) grant |
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ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19910109 Year of fee payment: 7 |
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PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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