DE2638172C2 - Verfahren zur Herstellung von Zusatzmitteln für Stahlschmelzen - Google Patents
Verfahren zur Herstellung von Zusatzmitteln für StahlschmelzenInfo
- Publication number
- DE2638172C2 DE2638172C2 DE2638172A DE2638172A DE2638172C2 DE 2638172 C2 DE2638172 C2 DE 2638172C2 DE 2638172 A DE2638172 A DE 2638172A DE 2638172 A DE2638172 A DE 2638172A DE 2638172 C2 DE2638172 C2 DE 2638172C2
- Authority
- DE
- Germany
- Prior art keywords
- tungsten
- iron
- sample
- steel
- carbon
- 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
- 239000000654 additive Substances 0.000 title claims description 11
- 238000000034 method Methods 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 title description 15
- 239000010959 steel Substances 0.000 title description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 35
- 229910052721 tungsten Inorganic materials 0.000 claims description 35
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 25
- 239000010937 tungsten Substances 0.000 claims description 25
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000161 steel melt Substances 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 4
- ZXOKVTWPEIAYAB-UHFFFAOYSA-N dioxido(oxo)tungsten Chemical compound [O-][W]([O-])=O ZXOKVTWPEIAYAB-UHFFFAOYSA-N 0.000 claims description 4
- 238000010306 acid treatment Methods 0.000 claims description 3
- 229910001080 W alloy Inorganic materials 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 2
- 239000008188 pellet Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 229910001145 Ferrotungsten Inorganic materials 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 238000004090 dissolution Methods 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 229920001353 Dextrin Polymers 0.000 description 2
- 239000004375 Dextrin Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 235000019425 dextrin Nutrition 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C35/00—Master alloys for iron or steel
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Carbon Steel Or Casting Steel Manufacturing (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 |
|---|---|---|---|
| AT726075A AT342099B (de) | 1975-09-22 | 1975-09-22 | Zusatzmittel fur stahlschmelzen und verfahren zur herstellung solcher zusatzmittel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2638172A1 DE2638172A1 (de) | 1977-03-31 |
| DE2638172C2 true DE2638172C2 (de) | 1983-11-24 |
Family
ID=3594243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2638172A Expired DE2638172C2 (de) | 1975-09-22 | 1976-08-25 | Verfahren zur Herstellung von Zusatzmitteln für Stahlschmelzen |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5240416A (cg-RX-API-DMAC7.html) |
| AT (1) | AT342099B (cg-RX-API-DMAC7.html) |
| AU (1) | AU506757B2 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2638172C2 (cg-RX-API-DMAC7.html) |
| ES (1) | ES451707A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2324751A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1563725A (cg-RX-API-DMAC7.html) |
| IT (1) | IT1068282B (cg-RX-API-DMAC7.html) |
| SE (1) | SE7610291L (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE537464C2 (sv) * | 2013-05-27 | 2015-05-12 | Ferrolegeringar Ab | Järn- och volframhaltiga briketter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2473020A (en) * | 1948-04-13 | 1949-06-14 | Union Carbide & Carbon Corp | Ferrochromium |
| US3372021A (en) * | 1964-06-19 | 1968-03-05 | Union Carbide Corp | Tungsten addition agent |
-
1975
- 1975-09-22 AT AT726075A patent/AT342099B/de not_active IP Right Cessation
-
1976
- 1976-08-25 DE DE2638172A patent/DE2638172C2/de not_active Expired
- 1976-09-14 GB GB38070/76A patent/GB1563725A/en not_active Expired
- 1976-09-16 SE SE7610291A patent/SE7610291L/xx unknown
- 1976-09-17 IT IT27320/76A patent/IT1068282B/it active
- 1976-09-21 JP JP51113556A patent/JPS5240416A/ja active Pending
- 1976-09-21 AU AU17952/76A patent/AU506757B2/en not_active Expired
- 1976-09-21 ES ES451707A patent/ES451707A1/es not_active Expired
- 1976-09-21 FR FR7628267A patent/FR2324751A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5240416A (en) | 1977-03-29 |
| AU1795276A (en) | 1978-04-06 |
| FR2324751B1 (cg-RX-API-DMAC7.html) | 1980-12-12 |
| FR2324751A1 (fr) | 1977-04-15 |
| AU506757B2 (en) | 1980-01-24 |
| SE7610291L (sv) | 1977-03-23 |
| ES451707A1 (es) | 1977-09-01 |
| IT1068282B (it) | 1985-03-21 |
| ATA726075A (de) | 1977-07-15 |
| AT342099B (de) | 1978-03-10 |
| DE2638172A1 (de) | 1977-03-31 |
| GB1563725A (en) | 1980-03-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8125 | Change of the main classification |
Ipc: C22C 33/06 |
|
| 8126 | Change of the secondary classification |
Ipc: C22C 33/06 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |