GB1495723A - Method for refining molten ferrous metal - Google Patents
Method for refining molten ferrous metalInfo
- Publication number
- GB1495723A GB1495723A GB45235/74A GB4523574A GB1495723A GB 1495723 A GB1495723 A GB 1495723A GB 45235/74 A GB45235/74 A GB 45235/74A GB 4523574 A GB4523574 A GB 4523574A GB 1495723 A GB1495723 A GB 1495723A
- Authority
- GB
- United Kingdom
- Prior art keywords
- melt
- oxides
- added
- blown
- stream
- 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.)
- Expired
Links
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
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above
-
- 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
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/34—Blowing through the bath
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
1495723 Refining ferrous melts C B MURTON 18 Oct 1974 [5 Nov 1973] 45235/74 Heading C7D A ferrous melt is refined by introducing O 2 to form an 02-rich zone into which are introduced one or more oxides of elements which are present in the melt and which it is desired to retain in the melt. The oxides being introduced for a time sufficient to give a refined product having the required elements in the desired composition. The oxides may be of Fe, C, Mn, Si, P, S, Cr, Ti, Mo, Ni, V, B, Nb, Cu or mixtures thereof. The oxides, in particulate form, may be added with the O 2 -stream, or separately, entrained in a carrier gas, i.e. inert gas (CO 2 or Ar) or compressed air. The O 2 stream and carrier gas may be added through concentric tuyeres, and may be blown from above the melt, from the side or below the melt. In an example, a melt in a basic oxygen furnace is top-blown with O 2 containing oxides of Si and Mn. To produce a plain carbon steel, iron oxide (e.g. millscale, furnace dust) only may be added.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US412563A US3904399A (en) | 1973-11-05 | 1973-11-05 | Method for refining pig iron into steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1495723A true GB1495723A (en) | 1977-12-21 |
Family
ID=23633507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB45235/74A Expired GB1495723A (en) | 1973-11-05 | 1974-10-18 | Method for refining molten ferrous metal |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US3904399A (en) |
| JP (1) | JPS5075515A (en) |
| AR (1) | AR203661A1 (en) |
| BE (1) | BE821264A (en) |
| BR (1) | BR7408753A (en) |
| CA (1) | CA1042215A (en) |
| DE (1) | DE2452158A1 (en) |
| ES (1) | ES431671A1 (en) |
| FR (1) | FR2249956B1 (en) |
| GB (1) | GB1495723A (en) |
| IN (1) | IN140315B (en) |
| IT (1) | IT1025337B (en) |
| LU (1) | LU71234A1 (en) |
| NL (1) | NL7413799A (en) |
| NO (1) | NO743951L (en) |
| RO (1) | RO68039A (en) |
| SE (1) | SE7413887L (en) |
| ZA (1) | ZA746415B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071355A (en) * | 1976-05-13 | 1978-01-31 | Foote Mineral Company | Recovery of vanadium from pig iron |
| SE405983B (en) * | 1977-06-09 | 1979-01-15 | Asea Ab | KIT FOR MANUFACTURE OF CHROME-ALLOY IN LIGHT BACK OVEN |
| NL9201266A (en) * | 1992-07-14 | 1994-02-01 | Pelt & Hooykaas | METHOD FOR CONTROLLING THE COMPOSITION OF STEEL SNAILS. |
| BRPI1012146A2 (en) * | 2009-05-15 | 2016-03-29 | Istc Co Ltd | method for making cast iron |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2767077A (en) * | 1953-05-06 | 1956-10-16 | Electro Chimie Metal | Process for desiliconizing and desulphurizing pig iron |
| US3545960A (en) * | 1967-04-25 | 1970-12-08 | Union Carbide Corp | Alloy addition process |
| SE339700B (en) * | 1969-04-23 | 1971-10-18 | Stora Kopparbergs Bergslags Ab |
-
1973
- 1973-11-05 US US412563A patent/US3904399A/en not_active Expired - Lifetime
-
1974
- 1974-10-05 SE SE7413887A patent/SE7413887L/xx unknown
- 1974-10-08 ZA ZA00746415A patent/ZA746415B/en unknown
- 1974-10-11 CA CA211,319A patent/CA1042215A/en not_active Expired
- 1974-10-17 IN IN2304/CAL/1974A patent/IN140315B/en unknown
- 1974-10-18 GB GB45235/74A patent/GB1495723A/en not_active Expired
- 1974-10-18 BE BE149700A patent/BE821264A/en unknown
- 1974-10-21 BR BR8753/74A patent/BR7408753A/en unknown
- 1974-10-22 NL NL7413799A patent/NL7413799A/en not_active Application Discontinuation
- 1974-10-30 IT IT28979/74A patent/IT1025337B/en active
- 1974-10-31 AR AR256356A patent/AR203661A1/en active
- 1974-11-02 DE DE19742452158 patent/DE2452158A1/en active Pending
- 1974-11-04 NO NO743951A patent/NO743951L/no unknown
- 1974-11-05 RO RO7480428A patent/RO68039A/en unknown
- 1974-11-05 ES ES431671A patent/ES431671A1/en not_active Expired
- 1974-11-05 JP JP49126655A patent/JPS5075515A/ja active Pending
- 1974-11-05 FR FR7436680A patent/FR2249956B1/fr not_active Expired
- 1974-11-05 LU LU71234A patent/LU71234A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO68039A (en) | 1981-11-04 |
| AU7423074A (en) | 1976-04-15 |
| SE7413887L (en) | 1975-05-06 |
| ES431671A1 (en) | 1976-11-01 |
| LU71234A1 (en) | 1975-05-21 |
| US3904399A (en) | 1975-09-09 |
| FR2249956B1 (en) | 1978-05-05 |
| DE2452158A1 (en) | 1975-05-07 |
| ZA746415B (en) | 1975-10-29 |
| IT1025337B (en) | 1978-08-10 |
| JPS5075515A (en) | 1975-06-20 |
| NL7413799A (en) | 1975-05-07 |
| BR7408753A (en) | 1975-11-04 |
| CA1042215A (en) | 1978-11-14 |
| BE821264A (en) | 1975-02-17 |
| AR203661A1 (en) | 1975-09-30 |
| FR2249956A1 (en) | 1975-05-30 |
| IN140315B (en) | 1976-10-16 |
| NO743951L (en) | 1975-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |