CA2084396A1 - Method of decarburizing molten metal in the refining of steel using neural networks - Google Patents

Method of decarburizing molten metal in the refining of steel using neural networks

Info

Publication number
CA2084396A1
CA2084396A1 CA2084396A CA2084396A CA2084396A1 CA 2084396 A1 CA2084396 A1 CA 2084396A1 CA 2084396 A CA2084396 A CA 2084396A CA 2084396 A CA2084396 A CA 2084396A CA 2084396 A1 CA2084396 A1 CA 2084396A1
Authority
CA
Canada
Prior art keywords
oxygen
molten metal
refining
steel
neural networks
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.)
Granted
Application number
CA2084396A
Other languages
French (fr)
Other versions
CA2084396C (en
Inventor
Jonathan Jay Feinstein
Richard Benedict Mazzarella
Lanier Stambaugh
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.)
Praxair Technology Inc
Original Assignee
Jonathan Jay Feinstein
Richard Benedict Mazzarella
Lanier Stambaugh
Union Carbide Industrial Gases Technology Corporation
Praxair Technology, Inc.
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 Jonathan Jay Feinstein, Richard Benedict Mazzarella, Lanier Stambaugh, Union Carbide Industrial Gases Technology Corporation, Praxair Technology, Inc. filed Critical Jonathan Jay Feinstein
Publication of CA2084396A1 publication Critical patent/CA2084396A1/en
Application granted granted Critical
Publication of CA2084396C publication Critical patent/CA2084396C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising of stainless steel
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S706/00—Data processing: artificial intelligence
    • Y10S706/902—Application using ai with detail of the ai system
    • Y10S706/903—Control
    • Y10S706/904—Manufacturing or machine, e.g. agricultural machinery, machine tool

Abstract

A method of decarburizing molten metal in the refining of steel using neural networks with a first neural network trained to analyze data representative of many process periods of one or more decarburization operations for providing an oxygen count for a preselected gas ratio of oxygen to diluent gas to cause the temperature of the molten metal bath to be decarburized to rise to a specified aim temperature and with a second neural network trained to analyze data representative of many process periods of one or more decarburization operations for providing an output schedule of oxygen counts to be injected into the bath to reduce the carbon level to a predetermined aim level in one or more successive stages corresponding to a preselected schedule of ratios of oxygen to diluent gas.
CA002084396A 1991-12-03 1992-12-02 Method of decarburizing molten metal in the refining of steel using neural networks Expired - Fee Related CA2084396C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/802,046 US5327357A (en) 1991-12-03 1991-12-03 Method of decarburizing molten metal in the refining of steel using neural networks
US07/802,046 1991-12-03

Publications (2)

Publication Number Publication Date
CA2084396A1 true CA2084396A1 (en) 1993-06-04
CA2084396C CA2084396C (en) 1998-07-28

Family

ID=25182697

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002084396A Expired - Fee Related CA2084396C (en) 1991-12-03 1992-12-02 Method of decarburizing molten metal in the refining of steel using neural networks

Country Status (10)

Country Link
US (1) US5327357A (en)
EP (1) EP0545379B1 (en)
KR (1) KR0148273B1 (en)
CN (1) CN1037455C (en)
BR (1) BR9204824A (en)
CA (1) CA2084396C (en)
DE (1) DE69209622T2 (en)
ES (1) ES2085539T3 (en)
MX (1) MX9206989A (en)
ZA (1) ZA929352B (en)

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19547010C2 (en) * 1994-12-19 2001-05-31 Siemens Ag Method and device for monitoring the process sequence during beam generation according to the oxygen inflation method
US5746511A (en) * 1996-01-03 1998-05-05 Rosemount Inc. Temperature transmitter with on-line calibration using johnson noise
US7085610B2 (en) 1996-03-28 2006-08-01 Fisher-Rosemount Systems, Inc. Root cause diagnostics
US6017143A (en) * 1996-03-28 2000-01-25 Rosemount Inc. Device in a process system for detecting events
US8290721B2 (en) 1996-03-28 2012-10-16 Rosemount Inc. Flow measurement diagnostics
US6539267B1 (en) 1996-03-28 2003-03-25 Rosemount Inc. Device in a process system for determining statistical parameter
US6654697B1 (en) 1996-03-28 2003-11-25 Rosemount Inc. Flow measurement with diagnostics
US7949495B2 (en) 1996-03-28 2011-05-24 Rosemount, Inc. Process variable transmitter with diagnostics
US6907383B2 (en) 1996-03-28 2005-06-14 Rosemount Inc. Flow diagnostic system
US7254518B2 (en) * 1996-03-28 2007-08-07 Rosemount Inc. Pressure transmitter with diagnostics
US5956663A (en) * 1996-11-07 1999-09-21 Rosemount, Inc. Signal processing technique which separates signal components in a sensor for sensor diagnostics
US6754601B1 (en) 1996-11-07 2004-06-22 Rosemount Inc. Diagnostics for resistive elements of process devices
US6601005B1 (en) 1996-11-07 2003-07-29 Rosemount Inc. Process device diagnostics using process variable sensor signal
US6449574B1 (en) 1996-11-07 2002-09-10 Micro Motion, Inc. Resistance based process control device diagnostics
US6434504B1 (en) 1996-11-07 2002-08-13 Rosemount Inc. Resistance based process control device diagnostics
US5828567A (en) * 1996-11-07 1998-10-27 Rosemount Inc. Diagnostics for resistance based transmitter
US6519546B1 (en) 1996-11-07 2003-02-11 Rosemount Inc. Auto correcting temperature transmitter with resistance based sensor
DE69714606T9 (en) * 1996-12-31 2004-09-09 Rosemount Inc., Eden Prairie DEVICE FOR CHECKING A CONTROL SIGNAL COMING FROM A PLANT IN A PROCESS CONTROL
CA2306767C (en) 1997-10-13 2007-05-01 Rosemount Inc. Communication technique for field devices in industrial processes
DE19748310C1 (en) * 1997-10-31 1998-12-17 Siemens Ag Controlling formation of foam slag in an electric arc furnace
US6611775B1 (en) 1998-12-10 2003-08-26 Rosemount Inc. Electrode leakage diagnostics in a magnetic flow meter
US6615149B1 (en) 1998-12-10 2003-09-02 Rosemount Inc. Spectral diagnostics in a magnetic flow meter
US6298454B1 (en) 1999-02-22 2001-10-02 Fisher-Rosemount Systems, Inc. Diagnostics in a process control system
US8044793B2 (en) 2001-03-01 2011-10-25 Fisher-Rosemount Systems, Inc. Integrated device alerts in a process control system
US6633782B1 (en) 1999-02-22 2003-10-14 Fisher-Rosemount Systems, Inc. Diagnostic expert in a process control system
AU5002900A (en) 1999-05-11 2000-11-21 Georgia Tech Research Corporation Laser doppler vibrometer for remote assessment of structural components
US6356191B1 (en) 1999-06-17 2002-03-12 Rosemount Inc. Error compensation for a process fluid temperature transmitter
US7010459B2 (en) 1999-06-25 2006-03-07 Rosemount Inc. Process device diagnostics using process variable sensor signal
DK1247268T4 (en) 1999-07-01 2009-11-16 Rosemount Inc Self-validating two-wire low power temperature transmitter
US6505517B1 (en) 1999-07-23 2003-01-14 Rosemount Inc. High accuracy signal processing for magnetic flowmeter
US6701274B1 (en) 1999-08-27 2004-03-02 Rosemount Inc. Prediction of error magnitude in a pressure transmitter
US6556145B1 (en) 1999-09-24 2003-04-29 Rosemount Inc. Two-wire fluid temperature transmitter with thermocouple diagnostics
US6442536B1 (en) * 2000-01-18 2002-08-27 Praxair Technology, Inc. Method for predicting flammability limits of complex mixtures
EP1307597A2 (en) 2000-08-11 2003-05-07 Dofasco Inc. Desulphurization reagent control method and system
US6735484B1 (en) 2000-09-20 2004-05-11 Fargo Electronics, Inc. Printer with a process diagnostics system for detecting events
US7720727B2 (en) 2001-03-01 2010-05-18 Fisher-Rosemount Systems, Inc. Economic calculations in process control system
US8073967B2 (en) 2002-04-15 2011-12-06 Fisher-Rosemount Systems, Inc. Web services-based communications for use with process control systems
US6970003B2 (en) 2001-03-05 2005-11-29 Rosemount Inc. Electronics board life prediction of microprocessor-based transmitters
US6629059B2 (en) 2001-05-14 2003-09-30 Fisher-Rosemount Systems, Inc. Hand held diagnostic and communication device with automatic bus detection
JP4532106B2 (en) * 2001-07-02 2010-08-25 新日本製鐵株式会社 Method for decarburizing and refining chromium-containing molten steel
US6772036B2 (en) 2001-08-30 2004-08-03 Fisher-Rosemount Systems, Inc. Control system using process model
AT411068B (en) * 2001-11-13 2003-09-25 Voest Alpine Ind Anlagen METHOD FOR PRODUCING A METAL MELT IN A LODGE TECHNICAL PLANT
CA2480363A1 (en) 2002-03-27 2003-10-09 Praxair Technology, Inc. Luminescence sensing system for welding
FR2838508B1 (en) * 2002-04-15 2004-11-26 Air Liquide PROCESS FOR PRODUCING LIQUID METAL IN AN ELECTRIC OVEN
US8005647B2 (en) 2005-04-08 2011-08-23 Rosemount, Inc. Method and apparatus for monitoring and performing corrective measures in a process plant using monitoring data with corrective measures data
US9201420B2 (en) 2005-04-08 2015-12-01 Rosemount, Inc. Method and apparatus for performing a function in a process plant using monitoring data with criticality evaluation data
US8112565B2 (en) 2005-06-08 2012-02-07 Fisher-Rosemount Systems, Inc. Multi-protocol field device interface with automatic bus detection
US20070068225A1 (en) 2005-09-29 2007-03-29 Brown Gregory C Leak detector for process valve
US7953501B2 (en) 2006-09-25 2011-05-31 Fisher-Rosemount Systems, Inc. Industrial process control loop monitor
US8788070B2 (en) 2006-09-26 2014-07-22 Rosemount Inc. Automatic field device service adviser
JP2010505121A (en) 2006-09-29 2010-02-18 ローズマウント インコーポレイテッド Magnetic flow meter with verification
US8898036B2 (en) 2007-08-06 2014-11-25 Rosemount Inc. Process variable transmitter with acceleration sensor
US8301676B2 (en) 2007-08-23 2012-10-30 Fisher-Rosemount Systems, Inc. Field device with capability of calculating digital filter coefficients
US7702401B2 (en) 2007-09-05 2010-04-20 Fisher-Rosemount Systems, Inc. System for preserving and displaying process control data associated with an abnormal situation
US8055479B2 (en) 2007-10-10 2011-11-08 Fisher-Rosemount Systems, Inc. Simplified algorithm for abnormal situation prevention in load following applications including plugged line diagnostics in a dynamic process
US7921734B2 (en) 2009-05-12 2011-04-12 Rosemount Inc. System to detect poor process ground connections
CN102033978B (en) * 2010-09-19 2012-07-25 首钢总公司 Method for forecasting and producing narrow hardenability strip steel by hardenability
US9207670B2 (en) 2011-03-21 2015-12-08 Rosemount Inc. Degrading sensor detection implemented within a transmitter
US9927788B2 (en) 2011-05-19 2018-03-27 Fisher-Rosemount Systems, Inc. Software lockout coordination between a process control system and an asset management system
CN103031398B (en) * 2011-09-30 2014-04-02 鞍钢股份有限公司 Converter smelting end point carbon content forecasting device and forecasting method
CN102690923B (en) * 2012-06-13 2013-11-06 鞍钢股份有限公司 Method for forecasting sublance process carbon content of converter
US9052240B2 (en) 2012-06-29 2015-06-09 Rosemount Inc. Industrial process temperature transmitter with sensor stress diagnostics
US9207129B2 (en) 2012-09-27 2015-12-08 Rosemount Inc. Process variable transmitter with EMF detection and correction
US9602122B2 (en) 2012-09-28 2017-03-21 Rosemount Inc. Process variable measurement noise diagnostic
CN106339020B (en) * 2015-07-16 2018-06-05 广东兴发铝业有限公司 Aluminium shape surface oxidation automatic control system based on neutral net
US11200489B2 (en) 2018-01-30 2021-12-14 Imubit Israel Ltd. Controller training based on historical data
WO2020090848A1 (en) * 2018-10-30 2020-05-07 昭和電工株式会社 Material design device, material design method, and material design program
CN115038800A (en) * 2020-02-06 2022-09-09 杰富意钢铁株式会社 Decarburization end point determination method, decarburization end point determination device, steelmaking secondary refining operation method, and molten steel production method
CN111353656B (en) * 2020-03-23 2021-05-07 大连理工大学 Steel enterprise oxygen load prediction method based on production plan
CN111985682B (en) * 2020-07-13 2024-03-22 中石化宁波工程有限公司 Furnace temperature prediction method of coal water slurry gasification furnace based on neural network
CN113061683B (en) * 2021-03-16 2022-04-26 马鞍山钢铁股份有限公司 Automatic matching method for converter end point oxygen and converter end point reblowing times quality factor
CN113343576B (en) * 2021-06-22 2022-03-11 燕山大学 Prediction method of calcium yield in calcium treatment process based on deep neural network
CN114611844B (en) * 2022-05-11 2022-08-05 北京科技大学 Method and system for determining alloy addition amount in converter tapping process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816720A (en) * 1971-11-01 1974-06-11 Union Carbide Corp Process for the decarburization of molten metal
US3754894A (en) * 1972-04-20 1973-08-28 Joslyn Mfg & Supply Co Nitrogen control in argon oxygen refining of molten metal
JPH0232679A (en) * 1988-07-22 1990-02-02 Hitachi Ltd Method and device for data communication by neural net
US5003490A (en) * 1988-10-07 1991-03-26 Hughes Aircraft Company Neural network signal processor

Also Published As

Publication number Publication date
US5327357A (en) 1994-07-05
CN1037455C (en) 1998-02-18
BR9204824A (en) 1993-06-08
DE69209622D1 (en) 1996-05-09
ES2085539T3 (en) 1996-06-01
EP0545379A1 (en) 1993-06-09
MX9206989A (en) 1994-05-31
CA2084396C (en) 1998-07-28
EP0545379B1 (en) 1996-04-03
DE69209622T2 (en) 1996-10-02
ZA929352B (en) 1993-06-04
KR0148273B1 (en) 1998-11-02
KR930013177A (en) 1993-07-21
CN1074244A (en) 1993-07-14

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