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GB2507116B - Soft sensor for online estimation of the steel bath temperature in an electric arc furnace (EAF) - Google Patents

Soft sensor for online estimation of the steel bath temperature in an electric arc furnace (EAF)

Info

Publication number
GB2507116B
GB2507116B GB1218889.2A GB201218889A GB2507116B GB 2507116 B GB2507116 B GB 2507116B GB 201218889 A GB201218889 A GB 201218889A GB 2507116 B GB2507116 B GB 2507116B
Authority
GB
United Kingdom
Prior art keywords
eaf
electric arc
bath temperature
arc furnace
steel bath
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 - Fee Related
Application number
GB1218889.2A
Other versions
GB2507116A (en
GB201218889D0 (en
Inventor
Vito Logar
Igor Skrjanc
Dejan Dovzan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB1218889.2A priority Critical patent/GB2507116B/en
Publication of GB201218889D0 publication Critical patent/GB201218889D0/en
Publication of GB2507116A publication Critical patent/GB2507116A/en
Application granted granted Critical
Publication of GB2507116B publication Critical patent/GB2507116B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C21C5/52—Manufacture of steel in electric furnaces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • 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
    • F27B3/085—Arc furnaces
    • 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
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • F27B3/205—Burners
    • 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
    • F27D21/00—Arrangement of monitoring devices; Arrangement of safety devices
    • F27D21/0014—Devices for monitoring temperature
    • 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
    • F27D99/0033—Heating elements or systems using burners
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/42—Circuits effecting compensation of thermal inertia; Circuits for predicting the stationary value of a temperature
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C2005/5288—Measuring or sampling devices
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/06—Modeling of the process, e.g. for control purposes; CII
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
    • 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
    • Y02P10/20—Recycling
    • 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)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
GB1218889.2A 2012-10-22 2012-10-22 Soft sensor for online estimation of the steel bath temperature in an electric arc furnace (EAF) Expired - Fee Related GB2507116B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1218889.2A GB2507116B (en) 2012-10-22 2012-10-22 Soft sensor for online estimation of the steel bath temperature in an electric arc furnace (EAF)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1218889.2A GB2507116B (en) 2012-10-22 2012-10-22 Soft sensor for online estimation of the steel bath temperature in an electric arc furnace (EAF)

Publications (3)

Publication Number Publication Date
GB201218889D0 GB201218889D0 (en) 2012-12-05
GB2507116A GB2507116A (en) 2014-04-23
GB2507116B true GB2507116B (en) 2014-09-10

Family

ID=47359216

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1218889.2A Expired - Fee Related GB2507116B (en) 2012-10-22 2012-10-22 Soft sensor for online estimation of the steel bath temperature in an electric arc furnace (EAF)

Country Status (1)

Country Link
GB (1) GB2507116B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2014008174A (en) * 2012-01-03 2014-10-06 Abb Research Ltd A method for melting steel.
CN113465778B (en) * 2021-06-21 2022-04-08 中国原子能科学研究院 Temperature acquisition method
CN118706267B (en) * 2024-08-29 2024-12-17 东北大学 Method and system for predicting real-time temperature of arc furnace after melting

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59150643A (en) * 1983-02-16 1984-08-28 Nippon Kokan Kk <Nkk> Method for estimating temperature of molten iron in ladle
US20080198894A1 (en) * 2005-06-10 2008-08-21 Thomas Matschullat Method For Regulating the Melting Process in an Electric-Arc Furnace
CN102382937A (en) * 2011-08-15 2012-03-21 北京科技大学 Electric arc furnace smelting process control method based on furnace gas analysis

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59150643A (en) * 1983-02-16 1984-08-28 Nippon Kokan Kk <Nkk> Method for estimating temperature of molten iron in ladle
US20080198894A1 (en) * 2005-06-10 2008-08-21 Thomas Matschullat Method For Regulating the Melting Process in an Electric-Arc Furnace
CN102382937A (en) * 2011-08-15 2012-03-21 北京科技大学 Electric arc furnace smelting process control method based on furnace gas analysis

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Journal of Iron and Steel Research International, Vol 14, 2007-03-01, Gangtie Yanjui Xuebea, CN, Yuan et al, Endpoint Prediction of EAF Based on Multiple Support Vector Machines, XP022933631 *
Journal of Iron and Steel Research International, Vol 16, 2009-07-01, Gangtie Yanjui Xuebea, CN, Tian et al, Hybrid Modeling for Soft Sensing of Molten Steel Temperature in LF. XP026644157 *

Also Published As

Publication number Publication date
GB2507116A (en) 2014-04-23
GB201218889D0 (en) 2012-12-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20161022