EP1455976B2 - Feed opening adjustment of segments for continuous casting systems - Google Patents
Feed opening adjustment of segments for continuous casting systems Download PDFInfo
- Publication number
- EP1455976B2 EP1455976B2 EP02804861A EP02804861A EP1455976B2 EP 1455976 B2 EP1455976 B2 EP 1455976B2 EP 02804861 A EP02804861 A EP 02804861A EP 02804861 A EP02804861 A EP 02804861A EP 1455976 B2 EP1455976 B2 EP 1455976B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- segment
- segments
- continuous casting
- regulating
- control
- 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 - Lifetime
Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/20—Controlling or regulating processes or operations for removing cast stock
Definitions
- the state of the art includes position- and pressure-controlled segments (segment cylinders) in continuous casting plants.
- segment cylinders position- and pressure-controlled segments
- SR soft reduction
- LCR liquid core reduction
- each segment has at least its own decentralized control system unit, as defined in claim 1.
- the segment is enabled, even in case of failure of the communication to the control system, the set or stored in the control module data z. For example, for the desired position or the set nominal value automatically to Reggein.
- the required battery unit for bridging the communication failure is also located on the segment.
- FIG. 1 is a known per se construction of a strand guide 1, comprising a number of strand guide segments 2, which pass the strand 3, emerging from the mold, safely with increasing solidification through the areas of soft reduction or liquid-core reduction.
- the segments 2 (shown enlarged) are provided with hydraulic adjusting devices, which in turn are equipped with a position sensor 7 and preferably a pressure transducer 8. These are position- and pressure-controlled segments 2, which are adjusted by means of hydraulic cylinders and associated measuring / regulating and control devices in the jaw width as well as in the position corresponding to predetermined nominal values.
- the existing control and control technology is located in remote facilities or substations 4 of the continuous casting.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Fluid-Pressure Circuits (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Maulweitenregelung an Segmenten für Stranggießanlagen, die zumindest mit einem Positions- und Druckgeber ausgebildet sind, insbesondere an Segmenten für Brammen- und Dünnbrammen-Stranggießantagen, umfassend eine Strangführung mit einer Regelung und Segmenten für eine vorgesehene Führung eines Gußstranges unter Verwendung von Meß- und Regelsignalen. Die Erfindung betrifft auch die Verwendung der Vorrichtung.The invention relates to a device for pitch control of segments for continuous casting, which are formed at least with a position and pressure transducer, in particular to segments for slab and thin slab continuous casting, comprising a strand guide with a scheme and segments for a proposed leadership of a cast using of measuring and control signals. The invention also relates to the use of the device.
Zum Stand der Technik gehören positions- und druckgeregelte Segmente (Segmentzylinder) in Stranggießaniagen. Hierbei werden insbesondere zum Zwecke von Softreduction- (SR) und Liquid-Core-Reduction (LCR)-Verfahren Segmente über Hydraulikzylinder und zuordenbare Meß-/Regel- und Steuerungsorgane in der Maulweite angestellt.The state of the art includes position- and pressure-controlled segments (segment cylinders) in continuous casting plants. In this case, in particular for the purpose of soft reduction (SR) and liquid core reduction (LCR) method segments are made by hydraulic cylinders and assignable measuring / control and control organs in the mouth.
Üblicherweise befinden sich die hierfür erforderlichen Regelungs- und Steuerungselemente in entfernten Schalteinrichtungen der Stranggießanlagen.Usually, the control and control elements required for this purpose are located in remote switching devices of the continuous casting plants.
Bei einem Ausfall der Übertragungsorgane bzw. Übertragungsleitungen bricht die Regelung und/oder Steuerung zusammen.In case of failure of the transmission organs or transmission lines, the control and / or control breaks down.
Das Dokument
Ein weiterer Vorteil dieser Entwicklung ergibt sich dadurch, dass in den Feldbus-Modulen auf der Stranggießkokille kokillenspezifische Informationen z. B. über die Dicke der Kupferplatten, den Abnutzungsgrad, den Zustand der Thermo-Sensoren und/oder der Widerstands-Thermosensoren und die Wartungszyklen abrufbar gespeichert sind.Another advantage of this development results from the fact that in the fieldbus modules on the continuous casting Kokille specific information z. B. on the thickness of the copper plates, the degree of wear, the state of the thermal sensors and / or the resistance thermosensors and the maintenance cycles are stored retrievable.
Das Dokument
Das hieraus bekannte Anstellverfahren besteht darin, dass die Hydraulikzylindereinheiten sowohl positions- als auch druckgeregelt anstellbar sind, dass über die Hydraulikzylindereinheiten die Rollen positionsgeregelt an einen von den Rollen geführten Metallstrang angestellt werden, und dass die Hydraulikzylindereinheiten vom positions- auf druckgeregelten Betrieb umgeschaltet werden, wenn der Druck in der jeweiligen Hydraulikzylindereinheit einen Grenzwert erreicht.The Anstellverfahren known therefrom is that the hydraulic cylinder units can be adjusted both position and pressure controlled that the rollers are positionally controlled via the hydraulic cylinder units to a metal strand guided by the rollers, and that the hydraulic cylinder units are switched from position- to pressure-controlled operation, if the pressure in the respective hydraulic cylinder unit reaches a limit.
Ausgehend vom vorgenannten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine dezentrale Steuerung und Regelung mit entsprechenden Modulen unmittelbar auf einem Segment bzw. direkt an einem Hydraulikzylinder zu installieren, um damit ein "intelligentes Segment" zu schaffen, welches auch bei einem Ausfall von Kommunikationsdaten einen weiteren Betrieb sichert.Based on the aforementioned prior art, the present invention seeks to install a decentralized control and regulation with appropriate modules directly on a segment or directly to a hydraulic cylinder, so as to create an "intelligent segment", which also in case of failure of Communication data secures another operation.
Zur Lösung der Aufgabe wird bei einer Vorrichtung der im Oberbegriff von Anspruch 1 genannten Art mit der Erfindung vorgeschlagen, dass jedes Segment mindestens eine eigene dezentrale Regel-Systemeinheit besitzt, wie in Anspruch 1 definiert.To solve the problem, it is proposed in a device referred to in the preamble of claim 1 with the invention that each segment has at least its own decentralized control system unit, as defined in claim 1.
Neben der Ausführung der Systemeinheit mittels Regelungs- und Steuerungseinheiten auf dem Segment ist eine Ausführung mittels sogenannter intelligenter Klemmen auf dem Segment zur Reduzierung des Verkabelungsaufwandes als Altemativlösung vorgesehen.In addition to the execution of the system unit by means of control and control units on the segment, an embodiment by means of so-called intelligent terminals on the segment to reduce the cabling effort is provided as Altemativlösung.
Bei der Verwendung der Vorrichtung gemäß der Erfindung wird vorgeschlagen, dass die Meß- und Regelsignale in mindestens einer Systemeinheit unmittelbar auf dem jeweiligen Segment verarbeitet und die SOLLwert-Vorgaben von einem übergeordneten Leitsystem über einen Feldbus, z.B. Profibus, und eine Spannungsversorgung dem Segment zugeführt werden, sowie ISTwert-Daten ebenfalls über den Feldbus dem Leitsystem als Regelergebnis bzw. Prozeßzustand zurückgeführt werden.When using the device according to the invention, it is proposed that the measurement and control signals in at least one system unit be processed directly on the respective segment and that the desired value specifications are transmitted from a higher-level control system via a fieldbus, e.g. Profibus, and a power supply to the segment are supplied, and actual value data are also returned via the fieldbus the control system as a control result or process state.
Mit der Verwendung der Erfindung ist welterhin vorgesehen, dass der dezentralen Systemeinheit neben der/den erforderlichen Aufgabe (n) für die Segmentanstellung weitere dezentrale, segmentspezifische Aufgabenstellungen wie Erfassung und Verarbeitung weiterer Meßdaten, z. B. Lagerkraftüberwachung, Temperaturmessungen und -regelungen, Kalibrierdaten zugeordnet werden.With the use of the invention is welterhin provided that the decentralized system unit in addition to the / required task (s) for the segment employment further decentralized, segment-specific tasks such as detection and processing of other measurement data, eg. B. bearing force monitoring, temperature measurements and controls, calibration data can be assigned.
Mit den erfindungsgemäßen Maßnahmen wird das Segment in die Lage versetzt, auch bei Ausfall der Kommunikation zum Leitsystem, die eingestellten oder im Regelmodul abgelegten Daten z. B. für die SOLLposition bzw. den eingestellten SOLLkraftwert selbstständig zu regein. Die hierzu erforderliche Batterieeinheit zur Überbrückung des Kommunikationsausfalls befindet sich ebenfalls auf dem Segment.With the measures according to the invention, the segment is enabled, even in case of failure of the communication to the control system, the set or stored in the control module data z. For example, for the desired position or the set nominal value automatically to Reggein. The required battery unit for bridging the communication failure is also located on the segment.
Zugleich wird mit Vorteil eine Reduzierung der elektrischen Steckverbindungen zwischen dem Segment und dem Leitsystem erreicht, wodurch eine Verkürzung der Segmentwechselzeiten erreicht wird.At the same time a reduction of the electrical connections between the segment and the control system is achieved with advantage, whereby a shortening of the segment change times is achieved.
Nachfolgend wird anhand von Zeichnungen gemäß
In
Die Segmente 2 (vergrößert dargestellt) sind mit Hydraulik-Stellvorrichtungen versehen, die ihrerseits mit einem Positionsgeber 7 und vorzugsweise einem Druckgeber 8 ausgestattet sind. Es handelt sich dabei um positions- und druckgeregelte Segmente 2, die über Hydraulikzylinder und zugeordnete Mess/Regel- und Steuerungsorgane in der Maulweite sowie in der Position entsprechend vorgegebener SOLLWerte angestellt werden. Die hierfür vorhandene Regelungs- und Steuerungstechnik befindet sich in entfernten Einrichtungen bzw. Schaltstationen 4 der Stranggießanlage.The segments 2 (shown enlarged) are provided with hydraulic adjusting devices, which in turn are equipped with a
Die gemäß der Erfindung vorgesehene Ausbildung der Strangführung in
- 1.1.
- Strangführungstrand guide
- 2.Second
- Segmentsegment
- 3.Third
- Gußstrangcast strand
- 4.4th
- gemeinsame Regelungcommon regulation
- 5.5th
- Leitungencables
- 6.6th
- Steckverbindungen von (5)Connectors from (5)
- 7.7th
- Positionsgeberlocator
- 8.8th.
- Druckgeberthruster
- 9.9th
- flüssiger Kern im Strangliquid core in the strand
- 10.10th
- LeitsystemControl System
- 11.11th
- Feldbus / ProfibusFieldbus / Profibus
- 12.12th
- Spannungsversorgungpower supply
- 13.13th
- Steckverbndungen in 11/12Connections in 11/12
- 1414
- dezenter Reglerdiscreet controller
Claims (7)
- Device for mouth width regulation of segments for continuous casting plants, which are constructed at least with a position transmitter (7), comprising a strip guide (1) with a regulation system and segments (2) for an intended guidance of a cast strip using measurement signals and regulating signals, wherein each segment (2) has at least one own decentralised regulating system unit (14), which is connected to a superordinate control system (10),
characterised in
that in addition to the position transmitter, the segments are additionally constructed with a pressure transmitter;
that the regulating system unit is connected by way of a profibus to the superordinate control system and a voltage supply (12);
that the decentralised regulating system unit (14) is installed directly on the segment; and
that a battery unit is located on the segments for bridging a communication failure. - Device according to claim 1, characterised in that the lines for bus connections (11) or for the voltage supply (12) are equipped with plug connections for the purpose of segment change.
- Device according to claim 1 or 2, characterised in that the system units (14) are regulating and control units.
- Device according to one or more of claims 1 to 3, characterised in that the system units (14) are so-called intelligent terminals.
- Use of the device for mouth width regulation of segments for continuous casting plants, particularly segments for slab and thin slab continuous casting plants according to claims 1 to 4, characterised in that the measuring signals and regulating signals are processed in at least one system unit (14) directly on the respective segment (2) and the target value presets of a superordinate control system (10) are fed by way of a field bus (11), for example profibus, and a voltage control (12) to the segment (2), and actual value data are similarly fed back by way of the field bus (11) to the control system (10) as regulation result or process state.
- Use of the device according to claim 5, characterised in that segment-specific data such as stiffness coefficients, roll diameters, regulating parameters, mouth width basic settings and adjustment quotas are fed to the system units (14) disposed on the segment (2).
- Use of the device according to claim 5 or 6, characterised in that apart from the required task or tasks for the segment adjustment further decentral segment-specific set tasks such as detection and processing of further measurement data, for example bearing force monitoring, temperature measurements and temperature regulations, calibrating data or the like are associated with the decentral system unit (14).
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10162419 | 2001-12-18 | ||
DE10162419 | 2001-12-18 | ||
DE10204064 | 2002-01-31 | ||
DE10204064A DE10204064A1 (en) | 2001-12-18 | 2002-01-31 | Width of mouth regulation on segments for continuous casting plants |
PCT/EP2002/012693 WO2003051558A2 (en) | 2001-12-18 | 2002-11-13 | Feed opening adjustment of segments for continuous casting systems |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1455976A2 EP1455976A2 (en) | 2004-09-15 |
EP1455976B1 EP1455976B1 (en) | 2005-08-10 |
EP1455976B2 true EP1455976B2 (en) | 2009-02-11 |
Family
ID=26010805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02804861A Expired - Lifetime EP1455976B2 (en) | 2001-12-18 | 2002-11-13 | Feed opening adjustment of segments for continuous casting systems |
Country Status (11)
Country | Link |
---|---|
US (1) | US20050045304A1 (en) |
EP (1) | EP1455976B2 (en) |
JP (1) | JP4953554B2 (en) |
CN (1) | CN1287933C (en) |
AT (1) | ATE301519T1 (en) |
AU (1) | AU2002356591A1 (en) |
CA (1) | CA2469641C (en) |
ES (1) | ES2246428T5 (en) |
RU (1) | RU2283204C2 (en) |
TW (1) | TWI253360B (en) |
WO (1) | WO2003051558A2 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10319863B4 (en) * | 2003-05-03 | 2021-07-01 | Sms Group Gmbh | Support roller frame for billet, bloom, block, pre-section, thin and slab continuous casting machines, for casting liquid metals, in particular liquid steel materials |
DE102004002783A1 (en) | 2004-01-20 | 2005-08-04 | Sms Demag Ag | Method and device for determining the position of the sump tip in the casting strand in the continuous casting of liquid metals, in particular of liquid steel materials |
DE102004054296B4 (en) | 2004-11-09 | 2021-11-11 | Sms Group Gmbh | Control and / or regulating device for a support roller frame of a continuous casting device for metals, in particular for steel materials |
DE102004058356A1 (en) * | 2004-12-03 | 2006-06-14 | Sms Demag Ag | Control and / or regulating device for a continuous casting mold carrying a lifting table of a continuous casting apparatus for liquid metals, in particular for liquid steel material |
DE102004058355A1 (en) * | 2004-12-03 | 2006-06-14 | Sms Demag Ag | Continuous casting machine with a continuous casting mold for the casting of liquid metals, in particular of steel materials |
DE102008014524A1 (en) * | 2007-12-28 | 2009-07-02 | Sms Demag Ag | Continuous casting plant with a device for determining solidification states of a cast strand and method therefor |
RU2457921C2 (en) * | 2008-01-14 | 2012-08-10 | Смс Конкаст Аг | Machine for continuous casting of, in particular, steel long billets, and method of continuous casting |
AT506976B1 (en) * | 2008-05-21 | 2012-10-15 | Siemens Vai Metals Tech Gmbh | METHOD FOR CONTINUOUSLY GASING A METAL STRUCTURE |
CN102233415B (en) * | 2010-04-20 | 2013-02-13 | 宝山钢铁股份有限公司 | Method for setting width of ferrite stainless steel slab during continuous casting production |
JP5691912B2 (en) * | 2011-07-26 | 2015-04-01 | Jfeスチール株式会社 | Method for continuous casting of metal pieces |
AT515260B1 (en) * | 2013-12-17 | 2017-12-15 | Primetals Technologies Austria GmbH | Control or regulating device for a support roll stand of a continuous casting machine |
AT516440B1 (en) * | 2014-10-28 | 2017-03-15 | Primetals Technologies Austria GmbH | Strand guide segment, strand guiding system and method of configuring such a strand guiding system |
DE102017207942A1 (en) * | 2017-05-11 | 2018-11-15 | Sms Group Gmbh | Continuous casting plant and process for the production of a metallic product |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19809807C2 (en) * | 1998-03-09 | 2003-03-27 | Sms Demag Ag | Setting process for a roller segment of a continuous caster |
DE10028304A1 (en) * | 2000-06-07 | 2001-12-13 | Sms Demag Ag | Process for locally processing casting data obtained from sensors in a continuous casting plant comprises collecting measuring and control data in cooled field bus modules |
-
2002
- 2002-10-28 TW TW091132003A patent/TWI253360B/en not_active IP Right Cessation
- 2002-11-13 CN CNB028253507A patent/CN1287933C/en not_active Expired - Fee Related
- 2002-11-13 AU AU2002356591A patent/AU2002356591A1/en not_active Abandoned
- 2002-11-13 US US10/497,410 patent/US20050045304A1/en not_active Abandoned
- 2002-11-13 ES ES02804861T patent/ES2246428T5/en not_active Expired - Lifetime
- 2002-11-13 JP JP2003552473A patent/JP4953554B2/en not_active Expired - Fee Related
- 2002-11-13 WO PCT/EP2002/012693 patent/WO2003051558A2/en active IP Right Grant
- 2002-11-13 EP EP02804861A patent/EP1455976B2/en not_active Expired - Lifetime
- 2002-11-13 AT AT02804861T patent/ATE301519T1/en active
- 2002-11-13 CA CA2469641A patent/CA2469641C/en not_active Expired - Lifetime
- 2002-11-13 RU RU2004121989/02A patent/RU2283204C2/en active
Non-Patent Citations (1)
Title |
---|
JOHN WOODRUFF: "Millennium Steel 2001", April 2001, MILLENNIUM STEEL, article FEDERSPIEL ET.AL.: "Automatic Control of Strand Tape and Thickness during casting", pages: 232-238 † |
Also Published As
Publication number | Publication date |
---|---|
WO2003051558A3 (en) | 2004-01-29 |
ATE301519T1 (en) | 2005-08-15 |
TWI253360B (en) | 2006-04-21 |
EP1455976A2 (en) | 2004-09-15 |
EP1455976B1 (en) | 2005-08-10 |
CA2469641A1 (en) | 2003-06-26 |
AU2002356591A1 (en) | 2003-06-30 |
RU2283204C2 (en) | 2006-09-10 |
TW200301168A (en) | 2003-07-01 |
US20050045304A1 (en) | 2005-03-03 |
ES2246428T3 (en) | 2006-02-16 |
ES2246428T5 (en) | 2009-05-19 |
JP2005511320A (en) | 2005-04-28 |
CN1287933C (en) | 2006-12-06 |
CN1620346A (en) | 2005-05-25 |
RU2004121989A (en) | 2005-06-10 |
CA2469641C (en) | 2011-02-15 |
AU2002356591A8 (en) | 2003-06-30 |
WO2003051558A2 (en) | 2003-06-26 |
JP4953554B2 (en) | 2012-06-13 |
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