MX3018E - IMPROVED METHOD OF DEOXIDATION AND / OR CARBURATION OF A METAL BATH - Google Patents
IMPROVED METHOD OF DEOXIDATION AND / OR CARBURATION OF A METAL BATHInfo
- Publication number
- MX3018E MX3018E MX10010475U MX10010475U MX3018E MX 3018 E MX3018 E MX 3018E MX 10010475 U MX10010475 U MX 10010475U MX 10010475 U MX10010475 U MX 10010475U MX 3018 E MX3018 E MX 3018E
- Authority
- MX
- Mexico
- Prior art keywords
- gas
- nozzle
- deoxidation
- during
- carburation
- Prior art date
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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0025—Adding carbon material
-
- 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
Abstract
La presente invención se refiere a un método mejorado de desoxidación y/o de carburación de un baño metálico, principalmente de un baño de acero, por inyección de un polvo de carbono, o conteniendo carbono por medio de al menos una tobera sumergida, estando la tobera constituída de dos tubos concéntricos y, el tubo periférico siendo alimentado sucesivamente de un fluido protector de la tobera contra el desgaste durante la o las fases de oxidación y en este mismo fluido o en otro fluido protector durante la o las fases de desoxidación o de carburación; la mejora de este método está caracterizada en que: el tubo central de la tobera mencionada es alimentado sucesivamente con un gas oxidante, que puede ser oxígeno puro, durante la o las fases de oxidación, despues con un gas de barredura, posteriormente con un gas neutro portador del polvo de carbono, o conteniendo carbono, durante la o las fases de desoxidación o de carburación, y finalmente con un gas de barredura antes de iniciar el ciclo siguiente, y en que para realizar lo anterior en mejores condiciones: el conducto que alimenta el tubo central de la tobera mencionada de desoxidación y/o de carburación es el confluente de dos conductos distintos, el primero de estos dos conductos siendo alimentado a elección ya sea con un gas oxidante o con un gas de barredura, el segundo de estos dos conductos siendo alimentado a elección ya sea con un gas neutro portador del polvo de carbono, o conteniendo carbono, o con un gas de barredura.The present invention relates to an improved method of deoxidation and / or carburation of a metal bath, mainly a steel bath, by injection of a carbon powder, or containing carbon by means of at least one submerged nozzle, the nozzle made up of two concentric tubes and, the peripheral tube being supplied successively with a protective fluid of the nozzle against wear during the oxidation phase (s) and in this same fluid or in another protective fluid during the deoxidation phase or phases. carburization; The improvement of this method is characterized in that: the central tube of the mentioned nozzle is successively fed with an oxidizing gas, which can be pure oxygen, during the oxidation phase or phases, then with a scavenging gas, later with a gas neutral carrier of carbon dust, or containing carbon, during the deoxidization or carburation phase or phases, and finally with a sweeping gas before starting the next cycle, and in which to perform the above in better conditions: the duct that feeds the central tube of the aforementioned deoxidation and / or carburetion nozzle is the confluence of two different ducts, the first of these two ducts being fed with choice either with an oxidizing gas or with a scavenging gas, the second of these two ducts being supplied with choice either with a neutral gas carrying carbon dust, or containing carbon, or with a sweeping gas.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7438955A FR2292771A1 (en) | 1974-11-28 | 1974-11-28 | METHOD OF INJECTING A POWDER PROVIDING CARBON IN A METAL BATH |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX3018E true MX3018E (en) | 1980-02-07 |
Family
ID=9145325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX10010475U MX3018E (en) | 1974-11-28 | 1975-11-27 | IMPROVED METHOD OF DEOXIDATION AND / OR CARBURATION OF A METAL BATH |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS51142411A (en) |
| BE (1) | BE836110A (en) |
| BR (1) | BR7507824A (en) |
| CA (1) | CA1067293A (en) |
| DD (1) | DD121650A5 (en) |
| DE (1) | DE2550467B2 (en) |
| ES (1) | ES442800A1 (en) |
| FR (1) | FR2292771A1 (en) |
| GB (1) | GB1510500A (en) |
| HU (1) | HU174689B (en) |
| IT (1) | IT1050909B (en) |
| LU (1) | LU73871A1 (en) |
| MX (1) | MX3018E (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330326A (en) * | 1979-08-24 | 1982-05-18 | Eisenwerk-Gesellschaft Maximilianshutte Mbh. | Method and a means for introducing close-grained carbonaceous fuels into a molten iron bath |
| JPS57110608A (en) * | 1980-12-26 | 1982-07-09 | Kawasaki Steel Corp | Method for deoxidation in bottom blown converter |
| DE3143795C2 (en) * | 1981-11-04 | 1983-10-20 | Klöckner Stahlforschung GmbH, 8458 Sulzbach-Rosenberg | "Fluid supply valve" |
| JPS5884916A (en) * | 1981-11-13 | 1983-05-21 | Kawasaki Steel Corp | Recarburizing method with bottom blown converter |
| CN112226576B (en) * | 2020-09-27 | 2023-07-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Device and method for carbon spraying and deoxidizing by utilizing slag blocking system |
-
1974
- 1974-11-28 FR FR7438955A patent/FR2292771A1/en active Granted
-
1975
- 1975-11-05 HU HU75CE1062A patent/HU174689B/en unknown
- 1975-11-10 DE DE19752550467 patent/DE2550467B2/en not_active Ceased
- 1975-11-18 IT IT6984375A patent/IT1050909B/en active
- 1975-11-19 ES ES442800A patent/ES442800A1/en not_active Expired
- 1975-11-19 GB GB4763975A patent/GB1510500A/en not_active Expired
- 1975-11-21 JP JP14009975A patent/JPS51142411A/en active Granted
- 1975-11-26 LU LU73871A patent/LU73871A1/xx unknown
- 1975-11-26 DD DD18971075A patent/DD121650A5/xx unknown
- 1975-11-26 BR BR7507824A patent/BR7507824A/en unknown
- 1975-11-26 CA CA240,539A patent/CA1067293A/en not_active Expired
- 1975-11-27 MX MX10010475U patent/MX3018E/en unknown
- 1975-11-28 BE BE162310A patent/BE836110A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1510500A (en) | 1978-05-10 |
| BR7507824A (en) | 1976-08-10 |
| FR2292771A1 (en) | 1976-06-25 |
| ES442800A1 (en) | 1977-04-16 |
| JPS51142411A (en) | 1976-12-08 |
| DE2550467A1 (en) | 1976-08-12 |
| LU73871A1 (en) | 1976-06-11 |
| DD121650A5 (en) | 1976-08-12 |
| IT1050909B (en) | 1981-03-20 |
| DE2550467B2 (en) | 1977-10-20 |
| CA1067293A (en) | 1979-12-04 |
| BE836110A (en) | 1976-05-28 |
| HU174689B (en) | 1980-03-28 |
| JPS5518765B2 (en) | 1980-05-21 |
| FR2292771B1 (en) | 1977-03-25 |
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