FI81383C - Foerfarande foer behandling av smaelt metall och anordning foer utfoerande av foerfarandet. - Google Patents
Foerfarande foer behandling av smaelt metall och anordning foer utfoerande av foerfarandet. Download PDFInfo
- Publication number
- FI81383C FI81383C FI871665A FI871665A FI81383C FI 81383 C FI81383 C FI 81383C FI 871665 A FI871665 A FI 871665A FI 871665 A FI871665 A FI 871665A FI 81383 C FI81383 C FI 81383C
- Authority
- FI
- Finland
- Prior art keywords
- plasma
- molten metal
- nozzle
- melt
- additives
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 122
- 239000002184 metal Substances 0.000 title claims description 122
- 238000000034 method Methods 0.000 title claims description 60
- 230000008569 process Effects 0.000 title claims description 26
- 238000012545 processing Methods 0.000 title description 11
- 239000000155 melt Substances 0.000 claims description 32
- 239000000654 additive Substances 0.000 claims description 29
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 6
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims 6
- 241001461123 Matrona Species 0.000 claims 1
- 239000003925 fat Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 30
- 229910000831 Steel Inorganic materials 0.000 description 27
- 239000010959 steel Substances 0.000 description 27
- 238000011282 treatment Methods 0.000 description 22
- 238000010438 heat treatment Methods 0.000 description 18
- 238000002156 mixing Methods 0.000 description 15
- 239000000203 mixture Substances 0.000 description 15
- 238000012546 transfer Methods 0.000 description 15
- 238000005266 casting Methods 0.000 description 14
- 239000002893 slag Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 229910052698 phosphorus Inorganic materials 0.000 description 10
- 239000011574 phosphorus Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 238000006392 deoxygenation reaction Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 238000007872 degassing Methods 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- 238000009628 steelmaking Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 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
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010003497 Asphyxia Diseases 0.000 description 1
- 229910001339 C alloy Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241001455617 Sula Species 0.000 description 1
- PWKWDCOTNGQLID-UHFFFAOYSA-N [N].[Ar] Chemical compound [N].[Ar] PWKWDCOTNGQLID-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000012042 active reagent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001212 derivatisation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011269 treatment regimen Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
-
- 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
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/005—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys using plasma jets
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B2014/002—Smelting process, e.g. sequences to melt a specific material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0006—Electric heating elements or system
- F27D2099/0031—Plasma-torch heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0025—Charging or loading melting furnaces with material in the solid state
- F27D3/0026—Introducing additives into the melt
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Details (AREA)
- Gasification And Melting Of Waste (AREA)
- Treatment Of Fiber Materials (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/SU1985/000071 WO1987001137A1 (fr) | 1985-08-16 | 1985-08-16 | Procede et dispositif de traitement d'une coulee |
| SU8500071 | 1985-08-16 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI871665A0 FI871665A0 (fi) | 1987-04-15 |
| FI871665A7 FI871665A7 (fi) | 1987-04-15 |
| FI81383B FI81383B (fi) | 1990-06-29 |
| FI81383C true FI81383C (fi) | 1990-10-10 |
Family
ID=21616936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI871665A FI81383C (fi) | 1985-08-16 | 1987-04-15 | Foerfarande foer behandling av smaelt metall och anordning foer utfoerande av foerfarandet. |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS63500043A (enrdf_load_stackoverflow) |
| DE (2) | DE3590837T1 (enrdf_load_stackoverflow) |
| FI (1) | FI81383C (enrdf_load_stackoverflow) |
| GB (1) | GB2189508B (enrdf_load_stackoverflow) |
| SE (1) | SE8701578L (enrdf_load_stackoverflow) |
| WO (1) | WO1987001137A1 (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO157876C (no) * | 1985-09-23 | 1988-06-01 | Sintef | Fremgangsmaate og apparat for gjennomfoering av varmebehandling. |
| US4997476A (en) * | 1988-12-08 | 1991-03-05 | Plasma Energy Corporation | Recovery of free aluminum from aluminum dross using plasma energy without use of a salt flux |
| DE4336628A1 (de) * | 1993-10-27 | 1995-05-04 | Messer Griesheim Gmbh | Elektrodensystem |
| WO1995025822A1 (de) * | 1994-03-18 | 1995-09-28 | Sahm P R | Gusswerkstoffe |
| AUPN595095A0 (en) * | 1995-10-16 | 1995-11-09 | Bhp Steel (Jla) Pty Limited | Heating molten metal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3547622A (en) * | 1968-06-12 | 1970-12-15 | Pennwalt Corp | D.c. powered plasma arc method and apparatus for refining molten metal |
| US4002466A (en) * | 1975-11-03 | 1977-01-11 | Bethlehem Steel Corporation | Method of reducing ores |
| US4060409A (en) * | 1976-02-23 | 1977-11-29 | Kennecott Copper Corporation | Mechanically stirred furnace for pyrometallurgical operations and processes |
-
1985
- 1985-08-16 JP JP60504830A patent/JPS63500043A/ja active Granted
- 1985-08-16 WO PCT/SU1985/000071 patent/WO1987001137A1/ru active IP Right Grant
- 1985-08-16 DE DE19853590837 patent/DE3590837T1/de active Pending
- 1985-08-16 DE DE3590837A patent/DE3590837C2/de not_active Expired
- 1985-08-16 GB GB8708931A patent/GB2189508B/en not_active Expired - Lifetime
-
1987
- 1987-04-15 FI FI871665A patent/FI81383C/fi not_active IP Right Cessation
- 1987-04-15 SE SE8701578A patent/SE8701578L/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS646243B2 (enrdf_load_stackoverflow) | 1989-02-02 |
| DE3590837T1 (enrdf_load_stackoverflow) | 1987-07-16 |
| SE8701578D0 (sv) | 1987-04-15 |
| FI871665A0 (fi) | 1987-04-15 |
| JPS63500043A (ja) | 1988-01-07 |
| WO1987001137A1 (fr) | 1987-02-26 |
| GB2189508A (en) | 1987-10-28 |
| GB2189508B (en) | 1990-12-05 |
| DE3590837C2 (enrdf_load_stackoverflow) | 1988-10-06 |
| FI81383B (fi) | 1990-06-29 |
| FI871665A7 (fi) | 1987-04-15 |
| SE8701578L (sv) | 1987-04-15 |
| GB8708931D0 (en) | 1987-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: BELORUSSKY TEKHNOLOGICHESKY INSTITUT |