DE1281465B - Verfahren zur Entfernung unerwuenschter Begleitelemente aus Metallen und Legierungen - Google Patents
Verfahren zur Entfernung unerwuenschter Begleitelemente aus Metallen und LegierungenInfo
- Publication number
- DE1281465B DE1281465B DEN28202A DEN0028202A DE1281465B DE 1281465 B DE1281465 B DE 1281465B DE N28202 A DEN28202 A DE N28202A DE N0028202 A DEN0028202 A DE N0028202A DE 1281465 B DE1281465 B DE 1281465B
- Authority
- DE
- Germany
- Prior art keywords
- inert gas
- metal
- oxygen
- steel
- heated
- 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.)
- Pending
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 21
- 239000002184 metal Substances 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 11
- 229910045601 alloy Inorganic materials 0.000 title claims description 8
- 239000000956 alloy Substances 0.000 title claims description 8
- 150000002739 metals Chemical class 0.000 title claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000011261 inert gas Substances 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000007664 blowing Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 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
- 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
- C21C7/072—Treatment with gases
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
-
- 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)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE359865 | 1965-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1281465B true DE1281465B (de) | 1969-05-29 |
Family
ID=20262454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEN28202A Pending DE1281465B (de) | 1965-03-19 | 1966-03-14 | Verfahren zur Entfernung unerwuenschter Begleitelemente aus Metallen und Legierungen |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0203695A1 (en) * | 1985-04-30 | 1986-12-03 | Allegheny Ludlum Steel Corporation | Method for refining molten metal bath to control nitrogen |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1916945C3 (de) * | 1969-04-02 | 1980-04-17 | Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg | Anwendung des Mantelgas-Verfahrens zum Frischen von Roheisen zu Stahl |
| US3769000A (en) * | 1971-10-04 | 1973-10-30 | Steel Corp | Method for operating basic oxygen steel processes with the introduction of carbon dioxide |
| DE3617303A1 (de) * | 1986-05-23 | 1987-11-26 | Leybold Heraeus Gmbh & Co Kg | Verfahren zum einschmelzen und entgasen von stueckigem material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB772515A (en) * | 1953-12-18 | 1957-04-17 | Nyby Bruk Ab | A method for the manufacture of metals and alloys free from undesired gases |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826489A (en) * | 1953-12-18 | 1958-03-11 | Nyby Bruk Ab | Method for the manufacture of gas-pure metals and alloys |
| US3307937A (en) * | 1964-04-28 | 1967-03-07 | Nyby Bruk Ab | Method when degassing carboncontaining metal melts |
-
1966
- 1966-03-14 DE DEN28202A patent/DE1281465B/de active Pending
- 1966-03-16 US US3468657D patent/US3468657A/en not_active Expired - Lifetime
- 1966-03-17 AT AT256466A patent/AT296360B/de not_active IP Right Cessation
- 1966-03-17 BE BE678013D patent/BE678013A/xx unknown
- 1966-03-17 GB GB1188466A patent/GB1137092A/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB772515A (en) * | 1953-12-18 | 1957-04-17 | Nyby Bruk Ab | A method for the manufacture of metals and alloys free from undesired gases |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0203695A1 (en) * | 1985-04-30 | 1986-12-03 | Allegheny Ludlum Steel Corporation | Method for refining molten metal bath to control nitrogen |
Also Published As
| Publication number | Publication date |
|---|---|
| US3468657A (en) | 1969-09-23 |
| GB1137092A (en) | 1968-12-18 |
| AT296360B (de) | 1972-02-10 |
| BE678013A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-09-01 |
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