IT1036958B - Processo per l aggiunta di calcio all acciato fuso - Google Patents
Processo per l aggiunta di calcio all acciato fusoInfo
- Publication number
- IT1036958B IT1036958B IT50005/75A IT5000575A IT1036958B IT 1036958 B IT1036958 B IT 1036958B IT 50005/75 A IT50005/75 A IT 50005/75A IT 5000575 A IT5000575 A IT 5000575A IT 1036958 B IT1036958 B IT 1036958B
- Authority
- IT
- Italy
- Prior art keywords
- molten steel
- adding calcium
- calcium
- molten
- steel
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/076—Use of slags or fluxes as treating agents
-
- 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
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
-
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
-
- 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
- C21C7/10—Handling in a vacuum
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49109339A JPS5135615A (it) | 1974-09-20 | 1974-09-20 | |
JP11454774A JPS5140316A (ja) | 1974-10-03 | 1974-10-03 | Teiryukarushiumushorinyoru reikankakoseitoteionjinseinosugureta kohanno seizoho |
JP12292774A JPS5148711A (en) | 1974-10-23 | 1974-10-23 | Yokoheno karushiumutenkaho |
JP12942374A JPS5154023A (ja) | 1974-11-07 | 1974-11-07 | Yokohenokarushiumutenkazai |
JP49129421A JPS582565B2 (ja) | 1974-11-07 | 1974-11-07 | ヨウコウヘノカルシウムテンカホウ |
JP12942274A JPS5154022A (ja) | 1974-11-07 | 1974-11-07 | Karushiumumatahakarushiumugokintenkazaino yokohenotenkahoho |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1036958B true IT1036958B (it) | 1979-10-30 |
Family
ID=27552313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50005/75A IT1036958B (it) | 1974-09-20 | 1975-06-10 | Processo per l aggiunta di calcio all acciato fuso |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA1069314A (it) |
DE (1) | DE2525839A1 (it) |
FR (1) | FR2285460A1 (it) |
IT (1) | IT1036958B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205981A (en) * | 1979-02-28 | 1980-06-03 | International Harvester Company | Method for ladle treatment of molten cast iron using sheathed magnesium wire |
US5228902A (en) * | 1992-09-03 | 1993-07-20 | Usx Corporation | Method of desulfurization in vacuum processing of steel |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1376281A (fr) * | 1963-12-04 | 1964-10-23 | Westinghouse Electric Corp | Purification d'alliages |
GB1206062A (en) * | 1967-10-18 | 1970-09-23 | Nippon Kokan Kk | Deoxidation method |
SE341412B (it) * | 1969-07-15 | 1971-12-27 | Asea Ab | |
BE795333A (fr) * | 1972-03-01 | 1973-05-29 | Thyssen Niederrhein Ag | Procede de desulfuration de l'acier en fusion et poche pour sa mise en oeuvre |
-
1975
- 1975-06-09 CA CA228,889A patent/CA1069314A/en not_active Expired
- 1975-06-10 FR FR7518090A patent/FR2285460A1/fr active Granted
- 1975-06-10 DE DE19752525839 patent/DE2525839A1/de not_active Ceased
- 1975-06-10 IT IT50005/75A patent/IT1036958B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2525839A1 (de) | 1976-04-01 |
CA1069314A (en) | 1980-01-08 |
FR2285460B1 (it) | 1979-02-16 |
FR2285460A1 (fr) | 1976-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1039139B (it) | Processo per la purificazione di ersteri triarilfosforici | |
IT945246B (it) | Perfezionamenti relativi al proces so per trattare alluminio fuso | |
IT1038230B (it) | Procedimento per la produzione di acciaio | |
IT1028240B (it) | Procedimento per la produzione di acciaio | |
BR7602007A (pt) | Processo para enriquecimento de niquel de minerio de ferro lateritico de niquel | |
BE829830A (fr) | Composition pour traiter la schizophrenie | |
BR7502600A (pt) | Processo e estampo aperfeicoado para produzir ferro fundido | |
BR7403164A (pt) | Processo para preparar um nucleotideo de 9-beta-d-arabinofuranosil | |
BE824659A (fr) | Composition metallique refractaire pour filieres | |
FR2290090A1 (fr) | Procede pour former des sequences de bits paraleatoires | |
BR7505834A (pt) | Processo para preparacao de po de ferro | |
IT1037923B (it) | Processo per fare n metilnitro ftalimmidi | |
IT1039326B (it) | Processo per la colata continua di acciaio non calmato o semicalmato | |
IT1030130B (it) | Macchina per l asportazione di manti stradali | |
IT1039710B (it) | Processo per condizionare melme d acque luride | |
IT1036958B (it) | Processo per l aggiunta di calcio all acciato fuso | |
BR7505649A (pt) | Processo para producao de lingotes de metal fundido | |
IT1029711B (it) | Processo per fare acrilammide | |
IT1034407B (it) | Processo per la conversione di idrocarsuri | |
IT1029856B (it) | Metodo per desolforare ferro fuso | |
IT1031799B (it) | Processo per a preparazione di magnesio | |
IT1061004B (it) | Procedimento per la desolforazione di fusioni di acciaio | |
IT1061402B (it) | Processo per produrre 2 pirrolidone | |
IT1043325B (it) | Metodo per inibire la corrosione | |
BR7400520D0 (pt) | Processo para produzir lingotes de metal leve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940629 |