BE819699A - Procede de traitement metallurgique - Google Patents
Procede de traitement metallurgiqueInfo
- Publication number
- BE819699A BE819699A BE148344A BE148344A BE819699A BE 819699 A BE819699 A BE 819699A BE 148344 A BE148344 A BE 148344A BE 148344 A BE148344 A BE 148344A BE 819699 A BE819699 A BE 819699A
- Authority
- BE
- Belgium
- Prior art keywords
- metal
- temperature
- molten metal
- carbon
- oxide
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 103
- 239000002184 metal Substances 0.000 title claims abstract description 103
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 50
- 229910000831 Steel Inorganic materials 0.000 title claims description 33
- 239000010959 steel Substances 0.000 title claims description 33
- 229910052742 iron Inorganic materials 0.000 title claims description 25
- 230000009467 reduction Effects 0.000 title claims description 20
- 238000000034 method Methods 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 32
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 31
- 230000008569 process Effects 0.000 claims abstract description 26
- 230000006698 induction Effects 0.000 claims abstract description 24
- 239000012159 carrier gas Substances 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 56
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 52
- 239000012141 concentrate Substances 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 20
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 19
- 229910052804 chromium Inorganic materials 0.000 claims description 19
- 239000011651 chromium Substances 0.000 claims description 19
- 238000011946 reduction process Methods 0.000 claims description 16
- 238000005261 decarburization Methods 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 13
- 239000000155 melt Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 7
- 238000010310 metallurgical process Methods 0.000 claims description 6
- 150000001721 carbon Chemical class 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 3
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 229910002091 carbon monoxide Inorganic materials 0.000 claims 1
- 239000011093 chipboard Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000002826 coolant Substances 0.000 claims 1
- 239000012768 molten material Substances 0.000 claims 1
- 238000011165 process development Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000006722 reduction reaction Methods 0.000 description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 229910052710 silicon Inorganic materials 0.000 description 11
- 229910052748 manganese Inorganic materials 0.000 description 10
- 239000011572 manganese Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 238000011282 treatment Methods 0.000 description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 7
- 230000008901 benefit Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910000805 Pig iron Inorganic materials 0.000 description 6
- 239000003245 coal Substances 0.000 description 6
- 238000005272 metallurgy Methods 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 229910002065 alloy metal Inorganic materials 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 239000012256 powdered iron Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- -1 argon Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical group [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002751 molybdenum Chemical class 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 239000003923 scrap metal Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000009489 vacuum treatment Methods 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/56—Manufacture of steel by other methods
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7316039A SE397100B (sv) | 1973-11-28 | 1973-11-28 | Sett for reduktion av metalloxid enligt patentet 7306894-2 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE819699A true BE819699A (fr) | 1975-03-10 |
Family
ID=20319218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE148344A BE819699A (fr) | 1973-11-28 | 1974-09-09 | Procede de traitement metallurgique |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE819699A (cs) |
| CS (1) | CS213319B2 (cs) |
| SE (1) | SE397100B (cs) |
| ZA (1) | ZA745627B (cs) |
-
1973
- 1973-11-28 SE SE7316039A patent/SE397100B/xx unknown
-
1974
- 1974-09-04 ZA ZA00745627A patent/ZA745627B/xx unknown
- 1974-09-09 BE BE148344A patent/BE819699A/fr not_active IP Right Cessation
- 1974-09-11 CS CS746247A patent/CS213319B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS213319B2 (en) | 1982-04-09 |
| SE7316039L (cs) | 1975-05-29 |
| ZA745627B (en) | 1975-10-29 |
| SE397100B (sv) | 1977-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: UDDEHOLMS A.B. Effective date: 19910930 |