FI68918C - Foerfarande och anordning foer kontroll av en elektrisk ljusbaogeugn - Google Patents
Foerfarande och anordning foer kontroll av en elektrisk ljusbaogeugn Download PDFInfo
- Publication number
- FI68918C FI68918C FI782070A FI782070A FI68918C FI 68918 C FI68918 C FI 68918C FI 782070 A FI782070 A FI 782070A FI 782070 A FI782070 A FI 782070A FI 68918 C FI68918 C FI 68918C
- Authority
- FI
- Finland
- Prior art keywords
- furnace
- electrode
- transformer
- values
- control
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 26
- 238000005259 measurement Methods 0.000 claims description 21
- 238000012544 monitoring process Methods 0.000 claims description 17
- 238000010891 electric arc Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 102200055222 rs2066480 Human genes 0.000 claims description 2
- 102220559220 Voltage-dependent L-type calcium channel subunit alpha-1C_V31R_mutation Human genes 0.000 claims 2
- 102220246429 rs182757967 Human genes 0.000 claims 2
- 102200082904 rs33974228 Human genes 0.000 claims 2
- 238000012806 monitoring device Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 206010000117 Abnormal behaviour Diseases 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H05B7/02—Details
- H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
- H05B7/148—Automatic control of power
-
- 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
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Discharge Heating (AREA)
- Furnace Details (AREA)
- Electric Stoves And Ranges (AREA)
- Ventilation (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA00773923A ZA773923B (en) | 1977-06-29 | 1977-06-29 | The control of electrical arc furnaces |
| ZA7703923 | 1977-06-29 | ||
| ZA7800375 | 1978-01-20 | ||
| ZA78375 | 1978-01-20 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI782070A7 FI782070A7 (fi) | 1978-12-30 |
| FI68918B FI68918B (fi) | 1985-07-31 |
| FI68918C true FI68918C (fi) | 1985-11-11 |
Family
ID=27131151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI782070A FI68918C (fi) | 1977-06-29 | 1978-06-28 | Foerfarande och anordning foer kontroll av en elektrisk ljusbaogeugn |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4296269A (es) |
| JP (1) | JPS5411809A (es) |
| AU (1) | AU519217B2 (es) |
| BR (1) | BR7804166A (es) |
| CA (1) | CA1116670A (es) |
| DE (1) | DE2827875C2 (es) |
| ES (1) | ES471065A1 (es) |
| FI (1) | FI68918C (es) |
| FR (1) | FR2396486A1 (es) |
| GB (1) | GB2000615B (es) |
| IT (1) | IT1105331B (es) |
| NO (1) | NO782221L (es) |
| SE (1) | SE431814B (es) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI64486C (fi) * | 1982-04-16 | 1983-11-10 | Outokumpu Oy | Saett att reglera och balansera effekten hos en elektrisk ugn |
| IT1175070B (it) * | 1983-03-10 | 1987-07-01 | Ferriere Nord Spa | Procedimento per il controllo del tipo d'arco in un forno elettrico e forno ad arco adottante tale procedimento |
| US4580272A (en) * | 1983-06-03 | 1986-04-01 | Outokumpu Oy | Method for controlling and balancing the power in an electric furnace |
| JPS60138384A (ja) * | 1983-12-23 | 1985-07-23 | 大同特殊鋼株式会社 | ア−ク炉の制御方法 |
| JPS61110989A (ja) * | 1984-11-06 | 1986-05-29 | 松下電器産業株式会社 | 遠赤外線ヒ−タ |
| JPS61110988A (ja) * | 1984-11-06 | 1986-05-29 | 松下電器産業株式会社 | 遠赤外線ヒ−タ |
| FR2581498B1 (fr) * | 1985-05-06 | 1987-05-29 | Pechiney Electrometallurgie | Procede de regulation a resistance constante de fours a arc electriques |
| US5099438A (en) * | 1989-08-28 | 1992-03-24 | Ucar Carbon Technology Corporation | Method for on-line monitoring and control of the performance of an electric arc furnace |
| US5188740A (en) * | 1991-12-02 | 1993-02-23 | Texaco Inc. | Process for producing pumpable fuel slurry of sewage sludge and low grade solid carbonaceous fuel |
| US6058134A (en) * | 1992-02-25 | 2000-05-02 | Toivonen; Lassi | Method for measuring the electric quantities of an AC electric-arc furnace |
| US5331661A (en) * | 1992-02-27 | 1994-07-19 | Sandia Corporation | Method and apparatus for controlling electroslag remelting |
| ES2074393B1 (es) * | 1992-11-03 | 1997-07-01 | Acenor I & D S A | Perfeccionamientos introducidos en el sistema de control y regulacion de los hornos electricos de arco. |
| DE4415722A1 (de) * | 1994-05-05 | 1995-11-09 | Siemens Ag | Verfahren zur Regelung des Schmelzprozesses in einem Drehstrom-Lichtbogenofen |
| SE505282C2 (sv) * | 1995-04-18 | 1997-07-28 | Aga Ab | Sätt och anordning för att bestämma höjdläget för en i vertikalled rörlig elektrod i en ljusbågsugn |
| US7991039B2 (en) * | 2004-11-30 | 2011-08-02 | Graftech International Holdings Inc. | Electric arc furnace monitoring system and method |
| US8693519B2 (en) | 2008-11-17 | 2014-04-08 | SMS Siemag, LLC | Sensor system for bottom electrodes of an electric arc furnace |
| RU2550739C1 (ru) * | 2013-12-30 | 2015-05-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Чувашский государственный университет имени И.Н. Ульянова" | Способ определения электрического параметра, характеризующего состояние подэлектродного пространства трехфазной трехэлектродной руднотермической печи |
| RU2595780C1 (ru) * | 2015-07-07 | 2016-08-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Чувашский государственный университет имени И.Н. Ульянова" | Способ определения электрических параметров, характеризующих состояние подэлектродных пространств ванны трехфазной шестиэлектродной рудно-термической печи с расположением электродов в линию |
| CN106931796B (zh) * | 2017-03-14 | 2019-01-22 | 四方继保（武汉）软件有限公司 | 基于计算炉内电极有效负载电阻的矿热炉电极控制方法 |
| JP7833993B2 (ja) * | 2022-08-26 | 2026-03-23 | 株式会社やまびこ | 交流発電機 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH381779A (fr) * | 1962-04-06 | 1964-09-15 | Secheron Atel | Installation de réglage automatique d'un four à arc triphasé |
| US3431344A (en) * | 1965-11-15 | 1969-03-04 | Westinghouse Electric Corp | Control system providing supply circuit impedance balance control for electric arc furnaces |
| DE1765954B2 (de) * | 1968-08-14 | 1973-03-22 | Fried. Krupp Hüttenwerke AG, 4630 Bochum | Drehstrom-lichtbogenofen |
| ZA715661B (en) * | 1970-10-05 | 1972-04-26 | Union Carbide Corp | Computerized process and apparatus for use with a submerged arc electric furnace to produce metallurgical products |
| US3936588A (en) * | 1972-03-20 | 1976-02-03 | Elkem-Spigerverket | Control system for electrical furnaces |
-
1978
- 1978-06-13 US US05/915,194 patent/US4296269A/en not_active Expired - Lifetime
- 1978-06-14 GB GB7826862A patent/GB2000615B/en not_active Expired
- 1978-06-14 CA CA000305474A patent/CA1116670A/en not_active Expired
- 1978-06-20 AU AU37285/78A patent/AU519217B2/en not_active Expired
- 1978-06-21 SE SE7807079A patent/SE431814B/sv not_active IP Right Cessation
- 1978-06-23 ES ES471065A patent/ES471065A1/es not_active Expired
- 1978-06-24 DE DE2827875A patent/DE2827875C2/de not_active Expired - Lifetime
- 1978-06-27 FR FR7819131A patent/FR2396486A1/fr active Granted
- 1978-06-27 NO NO782221A patent/NO782221L/no unknown
- 1978-06-27 IT IT7850060A patent/IT1105331B/it active
- 1978-06-28 FI FI782070A patent/FI68918C/fi not_active IP Right Cessation
- 1978-06-29 JP JP8047078A patent/JPS5411809A/ja active Pending
- 1978-06-29 BR BR787804166A patent/BR7804166A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT1105331B (it) | 1985-10-28 |
| FI782070A7 (fi) | 1978-12-30 |
| FR2396486A1 (fr) | 1979-01-26 |
| DE2827875A1 (de) | 1979-01-18 |
| CA1116670A (en) | 1982-01-19 |
| BR7804166A (pt) | 1979-01-16 |
| FR2396486B1 (es) | 1983-04-29 |
| AU3728578A (en) | 1980-01-03 |
| SE431814B (sv) | 1984-02-27 |
| NO782221L (no) | 1979-01-02 |
| AU519217B2 (en) | 1981-11-19 |
| DE2827875C2 (de) | 1995-04-13 |
| IT7850060A0 (it) | 1978-06-27 |
| FI68918B (fi) | 1985-07-31 |
| ES471065A1 (es) | 1980-05-16 |
| US4296269A (en) | 1981-10-20 |
| GB2000615B (en) | 1982-01-27 |
| SE7807079L (sv) | 1978-12-30 |
| GB2000615A (en) | 1979-01-10 |
| JPS5411809A (en) | 1979-01-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MA | Patent expired | ||
| MA | Patent expired |
Owner name: THE NATIONAL INSTITUTE FOR METALLURGY |