DE2366190C2 - Verfahren zum Betrieb eines Lichtbogenofens zum Schmelzen von Oxidschlacke - Google Patents
Verfahren zum Betrieb eines Lichtbogenofens zum Schmelzen von OxidschlackeInfo
- Publication number
- DE2366190C2 DE2366190C2 DE2366190A DE2366190A DE2366190C2 DE 2366190 C2 DE2366190 C2 DE 2366190C2 DE 2366190 A DE2366190 A DE 2366190A DE 2366190 A DE2366190 A DE 2366190A DE 2366190 C2 DE2366190 C2 DE 2366190C2
- Authority
- DE
- Germany
- Prior art keywords
- arc
- voltage
- operating
- furnace
- oxide slag
- 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
- 238000000034 method Methods 0.000 title claims description 22
- 238000002844 melting Methods 0.000 title claims description 13
- 230000008018 melting Effects 0.000 title claims description 13
- 239000002893 slag Substances 0.000 title claims description 13
- 238000010891 electric arc Methods 0.000 title claims description 7
- 239000000155 melt Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
-
- 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
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/08—Heating by electric discharge, e.g. arc discharge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/202—Constituents thereof
- G01N33/2022—Non-metallic constituents
- G01N33/2025—Gaseous constituents
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Medicinal Chemistry (AREA)
- Pathology (AREA)
- Discharge Heating (AREA)
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO3606/72A NO141141C (no) | 1972-10-09 | 1972-10-09 | Fremgangsmaate for maaling av metallurgiske driftstilstander ved metallurgiske prosesser i elektriske elektrodeovner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2366190C2 true DE2366190C2 (de) | 1983-01-05 |
Family
ID=19879744
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2366190A Expired DE2366190C2 (de) | 1972-10-09 | 1973-10-08 | Verfahren zum Betrieb eines Lichtbogenofens zum Schmelzen von Oxidschlacke |
| DE2350425A Expired DE2350425C3 (de) | 1972-10-09 | 1973-10-08 | Verfahren zum Betrieb eines Reduktionsofens zur Herstellung von Ferrosilicium |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2350425A Expired DE2350425C3 (de) | 1972-10-09 | 1973-10-08 | Verfahren zum Betrieb eines Reduktionsofens zur Herstellung von Ferrosilicium |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3909242A (https=) |
| JP (1) | JPS547968B2 (https=) |
| BR (1) | BR7307715D0 (https=) |
| CA (1) | CA1021834A (https=) |
| DE (2) | DE2366190C2 (https=) |
| ES (1) | ES419434A1 (https=) |
| FI (1) | FI55087C (https=) |
| FR (1) | FR2202618A5 (https=) |
| IN (1) | IN140547B (https=) |
| IT (1) | IT993923B (https=) |
| NO (1) | NO141141C (https=) |
| SE (1) | SE409056B (https=) |
| YU (1) | YU258873A (https=) |
| ZA (1) | ZA737361B (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE450898B (sv) * | 1981-09-03 | 1987-08-10 | Skf Steel Eng Ab | Sett vid anvendning av en plasmagenerator for tillforsel av vermeenergi, samt anordning for genomforande av settet |
| DE3149175A1 (de) * | 1981-12-11 | 1983-06-23 | Proizvodstvennoe ob"edinenie Nevskij zavod imeni V.I. Lenina, Leningrad | Verfahren zur ueberwachung des zustandes des lichtbogenschmelzens |
| DE3616344A1 (de) * | 1986-05-15 | 1987-11-19 | Thyssen Stahl Ag | Verfahren zur ermittlung des schmelzzustandes des einsatzes in einem drehstromgespeisten lichtbogenofen |
| FI85912C (sv) * | 1990-04-11 | 1992-06-10 | Partek Ab | Förfarande och anordning för styrning av råmaterialtillförseln till en elektrisk smältugn |
| US5376247A (en) * | 1993-05-07 | 1994-12-27 | Dow Corning Corporation | Control of carbon balance in a silicon smelting furnace by monitoring calcium |
| IT1295728B1 (it) * | 1997-07-31 | 1999-05-27 | Automation Spa Centro | Procedimento di controllo alimentazione per forno elettrico ad arco |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1159112B (de) * | 1962-05-30 | 1963-12-12 | Josef Schiffarth Dr Ing | Verfahren zur Regelung eines Lichtbogenofens |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1924364A1 (de) * | 1968-05-14 | 1969-11-27 | Ass Elect Ind | Regeleinrichtung fuer eine Vorrichtung zur Elektroraffination von Metallen |
| DE1815359C3 (de) * | 1968-12-18 | 1975-07-10 | Leybold-Heraeus Gmbh & Co Kg, 5000 Koeln | Verfahren und Anordnung zur Regelung des Vorschubs von Abschmelzelektroden in Lichtbogenöfen |
| DE2103216C3 (de) * | 1971-01-25 | 1978-03-16 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Bestimmung der Eintauchtiefe von Elektroden in einem Reduktionsofen |
| US3767832A (en) * | 1972-08-17 | 1973-10-23 | G Bennett | Automatic electrode control |
-
1972
- 1972-10-09 NO NO3606/72A patent/NO141141C/no unknown
-
1973
- 1973-09-17 ZA ZA00737361A patent/ZA737361B/xx unknown
- 1973-09-20 IT IT29195/73A patent/IT993923B/it active
- 1973-10-02 YU YU02588/73A patent/YU258873A/xx unknown
- 1973-10-04 BR BR7715/73A patent/BR7307715D0/pt unknown
- 1973-10-04 US US403638A patent/US3909242A/en not_active Expired - Lifetime
- 1973-10-04 FR FR7335550A patent/FR2202618A5/fr not_active Expired
- 1973-10-05 CA CA182,792A patent/CA1021834A/en not_active Expired
- 1973-10-08 JP JP11241673A patent/JPS547968B2/ja not_active Expired
- 1973-10-08 SE SE7313653A patent/SE409056B/sv unknown
- 1973-10-08 IN IN2225/CAL/73A patent/IN140547B/en unknown
- 1973-10-08 ES ES419434A patent/ES419434A1/es not_active Expired
- 1973-10-08 DE DE2366190A patent/DE2366190C2/de not_active Expired
- 1973-10-08 DE DE2350425A patent/DE2350425C3/de not_active Expired
- 1973-10-08 FI FI3115/73A patent/FI55087C/fi active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1159112B (de) * | 1962-05-30 | 1963-12-12 | Josef Schiffarth Dr Ing | Verfahren zur Regelung eines Lichtbogenofens |
Non-Patent Citations (1)
| Title |
|---|
| elektrowärme international, 26, 1968, S. 453-465 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FI55087C (fi) | 1979-05-10 |
| YU258873A (en) | 1982-06-30 |
| FI55087B (fi) | 1979-01-31 |
| IN140547B (https=) | 1976-11-27 |
| JPS4972733A (https=) | 1974-07-13 |
| IT993923B (it) | 1975-09-30 |
| AU6115473A (en) | 1975-04-10 |
| DE2350425B2 (de) | 1978-12-14 |
| DE2350425A1 (de) | 1974-04-18 |
| JPS547968B2 (https=) | 1979-04-11 |
| BR7307715D0 (pt) | 1974-08-22 |
| US3909242A (en) | 1975-09-30 |
| CA1021834A (en) | 1977-11-29 |
| DE2350425C3 (de) | 1979-08-09 |
| ZA737361B (en) | 1975-04-30 |
| FR2202618A5 (https=) | 1974-05-03 |
| ES419434A1 (es) | 1976-04-01 |
| SE409056B (sv) | 1979-07-23 |
| NO141141B (no) | 1979-10-08 |
| NO141141C (no) | 1980-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OI | Miscellaneous see part 1 | ||
| OI | Miscellaneous see part 1 | ||
| OD | Request for examination | ||
| 8127 | New person/name/address of the applicant |
Owner name: ELKEM A/S, OSLO, NO |
|
| AC | Divided out of |
Ref country code: DE Ref document number: 2350425 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |