BR9004217A - Processo para monitoracao"on-line"de um forno a arco voltaico e processo de controle - Google Patents
Processo para monitoracao"on-line"de um forno a arco voltaico e processo de controleInfo
- Publication number
- BR9004217A BR9004217A BR909004217A BR9004217A BR9004217A BR 9004217 A BR9004217 A BR 9004217A BR 909004217 A BR909004217 A BR 909004217A BR 9004217 A BR9004217 A BR 9004217A BR 9004217 A BR9004217 A BR 9004217A
- Authority
- BR
- Brazil
- Prior art keywords
- line monitoring
- control process
- oven
- voltage
- voltage arch
- Prior art date
Links
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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- 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)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
- Discharge Heating (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Programmable Controllers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/398,968 US5099438A (en) | 1989-08-28 | 1989-08-28 | Method for on-line monitoring and control of the performance of an electric arc furnace |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9004217A true BR9004217A (pt) | 1992-01-14 |
Family
ID=23577560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR909004217A BR9004217A (pt) | 1989-08-28 | 1990-08-27 | Processo para monitoracao"on-line"de um forno a arco voltaico e processo de controle |
Country Status (7)
Country | Link |
---|---|
US (1) | US5099438A (pt) |
EP (1) | EP0415280B1 (pt) |
BR (1) | BR9004217A (pt) |
CA (1) | CA2024089C (pt) |
DE (1) | DE69028672T2 (pt) |
ES (1) | ES2091781T3 (pt) |
MX (1) | MX173154B (pt) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4236080B4 (de) * | 1992-10-26 | 2004-10-21 | Siemens Ag | Verfahren zum Betreiben eines Lichtbogenofens |
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. |
US5539768A (en) * | 1995-03-21 | 1996-07-23 | Ltv Steel Company, Inc. | Electric arc furnace electrode consumption analyzer |
US5930284A (en) * | 1997-01-15 | 1999-07-27 | Sandia Corporation | Multiple input electrode gap controller |
IT1295728B1 (it) * | 1997-07-31 | 1999-05-27 | Automation Spa Centro | Procedimento di controllo alimentazione per forno elettrico ad arco |
US6772077B1 (en) * | 1998-08-10 | 2004-08-03 | Hendry Mechanical Works | Electric arc monitoring systems |
US6115404A (en) * | 1999-02-03 | 2000-09-05 | Sandia Corporation | Dynamic control of remelting processes |
EP1269796A4 (en) * | 2000-03-17 | 2004-11-24 | Specialty Minerals Michigan | PROCESS AND DEVICE FOR AUTOMATICALLY CONTROLLING SLAG FOAMING |
US6804582B1 (en) | 2000-09-25 | 2004-10-12 | Ucar Carbon Company Inc. | Digital electrode observation |
CN100449243C (zh) * | 2002-11-19 | 2009-01-07 | 株洲硬质合金集团有限公司 | 垂熔炉仿真监控系统控制方法 |
US6969416B2 (en) * | 2003-04-01 | 2005-11-29 | American Air Liquide, Inc. | Method for controlling slag characteristics in an electric arc furnace |
ITUD20030231A1 (it) * | 2003-11-27 | 2005-05-28 | Danieli Off Mecc | Procedimento di pre-riscaldo, trasformazione e fusione di una carica metallica e relativo impianto. |
US20050154611A1 (en) * | 2004-01-13 | 2005-07-14 | Sgl Carbon, Ag | Product support method for industrial processes |
US7386369B1 (en) | 2004-08-09 | 2008-06-10 | Graftech International Holdings Inc. | Digital electrode observation |
US7991039B2 (en) | 2004-11-30 | 2011-08-02 | Graftech International Holdings Inc. | Electric arc furnace monitoring system and method |
DE102006044837A1 (de) * | 2006-09-22 | 2008-04-03 | Siemens Ag | Vorrichtung zur Steuerung einer Lichtbogenofenanlage |
CN101514971B (zh) * | 2009-03-24 | 2012-05-23 | 南京林业大学 | 地板含水率在线检测装置及检测方法 |
DE102010042781A1 (de) * | 2010-10-21 | 2012-04-26 | Ald Vacuum Technologies Gmbh | Vorrichtung und Verfahren zur Ausfilterung von Versorgungsnetzstörungen aus einem Elektrodensignal in einem metallurgischen Elektroumschmelzverfahren |
EP2776770B1 (en) * | 2011-11-07 | 2016-02-10 | GrafTech International Holdings Inc. | Electrode consumption monitoring system |
WO2014025880A2 (en) | 2012-08-09 | 2014-02-13 | Graftech International Holdings Inc. | Electrode consumption monitoring system |
CN104048517B (zh) * | 2014-06-26 | 2015-08-05 | 大连华锐重工集团股份有限公司 | 一种中碳锰铁精炼电炉电气控制系统 |
CN109634235A (zh) * | 2018-12-11 | 2019-04-16 | 成都航天科工大数据研究院有限公司 | 一种基于熔炉管理的能耗分析方法 |
US11678412B1 (en) | 2019-03-04 | 2023-06-13 | AMI International, S. De R.L. De C.V | Method for determining electrode consumption with machine vision |
CN114220531A (zh) * | 2021-09-18 | 2022-03-22 | 散裂中子源科学中心 | 一种辅助联锁保护系统决策的方法 |
CN114593663B (zh) * | 2022-02-23 | 2023-10-03 | 本钢板材股份有限公司 | 一种基于副边电流模型的精炼lf炉渣厚测量方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2012438B2 (de) * | 1969-03-17 | 1976-09-30 | Daido Seiko KX., Nagoya, Aichi (Japan) | Verfahren zur steuerung des schmelzvorgangs in einem stahl herstellenden lichtbogenofens |
CH577253A5 (pt) * | 1974-05-17 | 1976-06-30 | Ibm | |
US4296269A (en) * | 1977-06-29 | 1981-10-20 | National Institute For Metallurgy | Control of electrical arc furnaces |
DE3000996A1 (de) * | 1980-01-12 | 1981-07-23 | Mannesmann AG, 4000 Düsseldorf | Verfahren zum betrieb eines lichtbogenofens |
US4578795A (en) * | 1982-12-28 | 1986-03-25 | The United States Of America As Represented By The United States Department Of Energy | Drop short control of electrode gap |
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 |
US4517468A (en) * | 1984-04-30 | 1985-05-14 | Westinghouse Electric Corp. | Diagnostic system and method |
JPS62270712A (ja) * | 1986-05-20 | 1987-11-25 | Nippon Kokan Kk <Nkk> | 高炉状況検出方法 |
US5038318A (en) * | 1987-12-17 | 1991-08-06 | Square D Company | Device for communicating real time data between a programmable logic controller and a program operating in a central controller |
-
1989
- 1989-08-28 US US07/398,968 patent/US5099438A/en not_active Expired - Lifetime
-
1990
- 1990-08-24 DE DE69028672T patent/DE69028672T2/de not_active Expired - Fee Related
- 1990-08-24 ES ES90116235T patent/ES2091781T3/es not_active Expired - Lifetime
- 1990-08-24 EP EP90116235A patent/EP0415280B1/en not_active Expired - Lifetime
- 1990-08-27 BR BR909004217A patent/BR9004217A/pt not_active IP Right Cessation
- 1990-08-27 MX MX014825A patent/MX173154B/es unknown
- 1990-08-27 CA CA002024089A patent/CA2024089C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5099438A (en) | 1992-03-24 |
CA2024089A1 (en) | 1991-03-01 |
CA2024089C (en) | 1995-11-21 |
MX173154B (es) | 1994-02-02 |
ES2091781T3 (es) | 1996-11-16 |
DE69028672T2 (de) | 1997-02-27 |
EP0415280A2 (en) | 1991-03-06 |
EP0415280B1 (en) | 1996-09-25 |
DE69028672D1 (de) | 1996-10-31 |
EP0415280A3 (en) | 1992-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 27/08/2010 |