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RU2008106784A - METHOD FOR DETERMINING ARC OVEN CONTENT PROPERTIES - Google Patents

METHOD FOR DETERMINING ARC OVEN CONTENT PROPERTIES Download PDF

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Publication number
RU2008106784A
RU2008106784A RU2008106784/02A RU2008106784A RU2008106784A RU 2008106784 A RU2008106784 A RU 2008106784A RU 2008106784/02 A RU2008106784/02 A RU 2008106784/02A RU 2008106784 A RU2008106784 A RU 2008106784A RU 2008106784 A RU2008106784 A RU 2008106784A
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RU
Russia
Prior art keywords
arc furnace
acoustic
measured
sensor
lumpiness
Prior art date
Application number
RU2008106784/02A
Other languages
Russian (ru)
Other versions
RU2378390C2 (en
Inventor
Томас МАЧУЛЛАТ (DE)
Томас МАЧУЛЛАТ
Original Assignee
Сименс Акциенгезелльшафт (DE)
Сименс Акциенгезелльшафт
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Publication of RU2008106784A publication Critical patent/RU2008106784A/en
Application granted granted Critical
Publication of RU2378390C2 publication Critical patent/RU2378390C2/en

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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
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • 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
    • 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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

1. Способ для определения кусковатости и/или положения присутствующего в основном в твердой фазе загружаемого материала (7) в дуговой печи (1) с корпусом печи (2), причем электрической дугой (6) между электродами (3a, 3b, 3c) и загружаемым материалом (7) создают акустические сигналы (Ne, Ng, Nd), причем отраженные и/или проходящие сквозь загружаемый материал (7) акустические сигналы (Ne, Ng, Nd) измеряют посредством акустических сенсорных датчиков (5а, 5b, 5с, 5е, 5g, 5h, 5s, 5t), причем на каждый сегмент (Sn) разделенного на множество сегментов (Sn) корпуса печи (2) предусматривают по меньшей мере один акустический сенсорный датчик (5а, 5b, 5с, 5е, 5g, 5h, 5s, 5t), причем за счет оценки измеренных акустических сигналов (Ne, Ng, Nd) определяют кусковатость и/или положение загружаемого материала (7) в дуговой печи (1). ! 2. Способ по п.1, отличающийся тем, что для измерения акустических сигналов (Ne, Ng, Nd) применяют по меньшей мере один акустический сенсорный датчик (5а, 5b, 5с, 5е, 5g, 5h, 5s, 5t), который расположен на корпусе печи (2) и/или на других частях дуговой печи (1). ! 3. Способ по п.1 или 2, отличающийся тем, что для определения кусковатости и/или положения в дуговой печи (1) дополнительно измеряют электрические сигналы (ES) с помощью по меньшей мере одного электрического сенсорного датчика (4а). ! 4. Способ по п.3, отличающийся тем, что посредством электрического сенсорного датчика (4а) измеряют электрические сигналы (ES) между по меньшей мере двумя электродами (3a, 3b, 3c) дуговой печи (1). ! 5. Способ по п.1 или 4, отличающийся тем, что для раннего распознавания обвалов загружаемого материала (7) запоминают в банке данных измеренные значения и/или данные, полученные из измеренных значений. ! 6. Способ по �1. Method for determining the lumpiness and / or position of the feed material (7) present mainly in the solid phase in an arc furnace (1) with a furnace body (2), moreover, an electric arc (6) between electrodes (3a, 3b, 3c) and the loaded material (7) creates acoustic signals (Ne, Ng, Nd), and the reflected and / or passing through the loaded material (7) acoustic signals (Ne, Ng, Nd) are measured by means of acoustic sensor sensors (5a, 5b, 5c, 5e , 5g, 5h, 5s, 5t), and for each segment (Sn) divided into a plurality of segments (Sn) furnace body (2) provide at least one acoustic sensor (5a, 5b, 5c, 5e, 5g, 5h, 5s, 5t), and by evaluating the measured acoustic signals (Ne, Ng, Nd), the lumpiness and / or position of the feed material (7) in the arc furnace (1) is determined. ! 2. The method according to claim 1, characterized in that at least one acoustic sensor (5a, 5b, 5c, 5e, 5g, 5h, 5s, 5t) is used to measure acoustic signals (Ne, Ng, Nd), which located on the furnace body (2) and / or on other parts of the arc furnace (1). ! 3. A method according to claim 1 or 2, characterized in that in order to determine the lumpiness and / or position in the arc furnace (1), electrical signals (ES) are additionally measured using at least one electrical sensor sensor (4a). ! 4. A method according to claim 3, characterized in that electrical signals (ES) between at least two electrodes (3a, 3b, 3c) of the arc furnace (1) are measured by means of an electric sensor (4a). ! 5. A method according to claim 1 or 4, characterized in that, for early detection of collapses in the feed material (7), measured values and / or data obtained from the measured values are stored in a data bank. ! 6. Method according to �

Claims (12)

1. Способ для определения кусковатости и/или положения присутствующего в основном в твердой фазе загружаемого материала (7) в дуговой печи (1) с корпусом печи (2), причем электрической дугой (6) между электродами (3a, 3b, 3c) и загружаемым материалом (7) создают акустические сигналы (Ne, Ng, Nd), причем отраженные и/или проходящие сквозь загружаемый материал (7) акустические сигналы (Ne, Ng, Nd) измеряют посредством акустических сенсорных датчиков (5а, 5b, 5с, 5е, 5g, 5h, 5s, 5t), причем на каждый сегмент (Sn) разделенного на множество сегментов (Sn) корпуса печи (2) предусматривают по меньшей мере один акустический сенсорный датчик (5а, 5b, 5с, 5е, 5g, 5h, 5s, 5t), причем за счет оценки измеренных акустических сигналов (Ne, Ng, Nd) определяют кусковатость и/или положение загружаемого материала (7) в дуговой печи (1).1. A method for determining the lumpiness and / or position of the feed material (7) present mainly in the solid phase in an arc furnace (1) with a furnace body (2), with an electric arc (6) between the electrodes (3a, 3b, 3c) and feed material (7) creates acoustic signals (N e, N g, N d), wherein acoustic signals (N e, N g, N d) ( 7) reflected and / or passing through the feed material is measured by means of acoustic sensors (5a 5b, 5c, 5e, 5g, 5h, 5s, 5t), moreover, for each segment (S n ) divided into many segments (S n ) of the furnace body (2), at least one acoustic touch sensor (5a, 5b, 5c, 5e, 5g, 5h, 5s, 5t) is considered, wherein, by evaluating the measured acoustic signals (N e , N g , N d ), the lumpiness and / or position of the loaded material (7) in an arc furnace (1). 2. Способ по п.1, отличающийся тем, что для измерения акустических сигналов (Ne, Ng, Nd) применяют по меньшей мере один акустический сенсорный датчик (5а, 5b, 5с, 5е, 5g, 5h, 5s, 5t), который расположен на корпусе печи (2) и/или на других частях дуговой печи (1).2. The method according to claim 1, characterized in that at least one acoustic sensor (5a, 5b, 5c, 5e, 5g, 5h, 5s, 5t) is used to measure acoustic signals (N e , N g , N d ) ), which is located on the furnace body (2) and / or on other parts of the arc furnace (1). 3. Способ по п.1 или 2, отличающийся тем, что для определения кусковатости и/или положения в дуговой печи (1) дополнительно измеряют электрические сигналы (ES) с помощью по меньшей мере одного электрического сенсорного датчика (4а).3. The method according to claim 1 or 2, characterized in that to determine the lumpiness and / or position in the arc furnace (1), additionally measure the electrical signals (ES) using at least one electric sensor (4A). 4. Способ по п.3, отличающийся тем, что посредством электрического сенсорного датчика (4а) измеряют электрические сигналы (ES) между по меньшей мере двумя электродами (3a, 3b, 3c) дуговой печи (1).4. The method according to claim 3, characterized in that by means of an electric sensor (4a), electrical signals (ES) are measured between at least two electrodes (3a, 3b, 3c) of the arc furnace (1). 5. Способ по п.1 или 4, отличающийся тем, что для раннего распознавания обвалов загружаемого материала (7) запоминают в банке данных измеренные значения и/или данные, полученные из измеренных значений.5. The method according to claim 1 or 4, characterized in that for the early detection of collapses of the loaded material (7), the measured values and / or data obtained from the measured values are stored in the data bank. 6. Способ по п.5, отличающийся тем, что измеренные значения и/или данные, полученные из измеренных значений, сравнивают с измеренными значениями и/или с данными, которые запомнены в банке данных.6. The method according to claim 5, characterized in that the measured values and / or data obtained from the measured values are compared with the measured values and / or with the data stored in the data bank. 7. Способ для эксплуатации дуговой печи (1), причем информации о кусковатости и/или положении загружаемого материала (7) в дуговой печи (1), полученные с помощью способа по любому из пп.1-6, применяют для управления или соответственно для регулирования дуговой печи (1).7. A method for operating an arc furnace (1), wherein information about the lumpiness and / or position of the feed material (7) in the arc furnace (1) obtained using the method according to any one of claims 1 to 6 is used to control or, respectively, for regulation of the arc furnace (1). 8. Способ по п.7, в котором регулируют подвод энергии к электродам (3a, 3b, 3c).8. The method according to claim 7, in which the energy supply to the electrodes (3a, 3b, 3c) is regulated. 9. Способ по п.7, в котором регулируют положение электродов (3a, 3b, 3c).9. The method according to claim 7, in which the position of the electrodes (3a, 3b, 3c) is adjusted. 10. Способ по п.7, в котором процесс эксплуатации дуговой печи (1) ведут нацеленно несимметрично.10. The method according to claim 7, in which the operation process of the arc furnace (1) is targeted asymmetrically. 11. Способ по п.7, в котором регулируют подвод химической энергии в дуговую печь (1).11. The method according to claim 7, in which the supply of chemical energy to the arc furnace (1) is regulated. 12. Устройство с подходящими для осуществления способа по любому из пп.1-6 или 7-11, включающее дуговую печь (1), с акустическими сенсорными датчиками (5а, 5b, 5с, 5е, 5g, 5h, 5s, 5t). 12. A device with suitable for implementing the method according to any one of claims 1 to 6 or 7-11, comprising an arc furnace (1), with acoustic sensor sensors (5a, 5b, 5c, 5e, 5g, 5h, 5s, 5t).
RU2008106784/02A 2005-07-22 2006-06-28 Method for properties definition of content of arc furnace RU2378390C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005034378A DE102005034378A1 (en) 2005-07-22 2005-07-22 Method for determining the nature of the contents of an electric arc furnace
DE102005034378.3 2005-07-22

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RU2008106784A true RU2008106784A (en) 2009-08-27
RU2378390C2 RU2378390C2 (en) 2010-01-10

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US (1) US20080307926A1 (en)
EP (1) EP1907594A2 (en)
CN (1) CN101228284A (en)
BR (1) BRPI0613762A2 (en)
CA (1) CA2615927A1 (en)
DE (1) DE102005034378A1 (en)
MX (1) MX2008000311A (en)
RU (1) RU2378390C2 (en)
WO (1) WO2007009861A2 (en)

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DE102008006965A1 (en) * 2008-01-31 2009-08-06 Siemens Aktiengesellschaft Method for determining a radiation measure for a thermal radiation, electric arc furnace, a signal processing device and program code and a storage medium for carrying out the method
DE102008006966A1 (en) 2008-01-31 2009-08-06 Siemens Aktiengesellschaft Method for determining a measure of the dimensions of solid in an electric arc furnace, an electric arc furnace, a signal processing device and program code and a storage medium
DE102009034353A1 (en) 2008-12-15 2010-06-24 Siemens Aktiengesellschaft furnace
CA2751198A1 (en) * 2009-02-03 2010-08-12 Siemens Aktiengesellschaft Process and apparatus for controlling a carbon monoxide emission of an electric arc furnace
DE102009053169A1 (en) * 2009-09-28 2011-04-21 Siemens Aktiengesellschaft Method for controlling a melting process in an electric arc furnace and signal processing device, program code and storage medium for carrying out this method
ES2879969T3 (en) 2011-05-20 2021-11-23 Hatch Ltd Systems and methods for monitoring the structural integrity of the furnace
EP2549833A1 (en) * 2011-07-19 2013-01-23 Siemens Aktiengesellschaft Method for operating an arc oven and melting assembly with an arc oven operated according to this method
FI125220B (en) * 2013-12-30 2015-07-15 Outotec Finland Oy Method and arrangement for measuring electrode paste in an electrode column in an arc furnace
DE102016219261B3 (en) * 2016-10-05 2017-10-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for determining the position of the tip of an electric furnace electrode, in particular a Söderberg electrode
IT201800006804A1 (en) 2018-06-29 2019-12-29 METAL LEVEL DETECTION DEVICE IN AN ELECTRIC ARC OVEN
WO2022109710A1 (en) * 2020-11-24 2022-06-02 Hatch Ltd. System and method for assessing deterioration of a metallurgical runner using acoustic emissions

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Also Published As

Publication number Publication date
RU2378390C2 (en) 2010-01-10
EP1907594A2 (en) 2008-04-09
US20080307926A1 (en) 2008-12-18
BRPI0613762A2 (en) 2011-02-01
WO2007009861A2 (en) 2007-01-25
CA2615927A1 (en) 2007-01-25
DE102005034378A1 (en) 2007-01-25
CN101228284A (en) 2008-07-23
MX2008000311A (en) 2008-04-07

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