EP0356552A1 - Procédé de réglage de fermetures à tiroir, en particulier dans les installations de coulée continue - Google Patents

Procédé de réglage de fermetures à tiroir, en particulier dans les installations de coulée continue Download PDF

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Publication number
EP0356552A1
EP0356552A1 EP88114177A EP88114177A EP0356552A1 EP 0356552 A1 EP0356552 A1 EP 0356552A1 EP 88114177 A EP88114177 A EP 88114177A EP 88114177 A EP88114177 A EP 88114177A EP 0356552 A1 EP0356552 A1 EP 0356552A1
Authority
EP
European Patent Office
Prior art keywords
edge change
edge
throttling
slide
throttle
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
EP88114177A
Other languages
German (de)
English (en)
Other versions
EP0356552B1 (fr
Inventor
Silvio Cecchini
Walter Vetterli
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.)
Metacon AG
Original Assignee
Metacon AG
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 Metacon AG filed Critical Metacon AG
Priority to EP88114177A priority Critical patent/EP0356552B1/fr
Priority to AT88114177T priority patent/ATE74544T1/de
Priority to ES198888114177T priority patent/ES2032509T3/es
Priority to DE8888114177T priority patent/DE3869957D1/de
Priority to ZA895236A priority patent/ZA895236B/xx
Priority to CA000607348A priority patent/CA1310249C/fr
Priority to CS19894790A priority patent/CZ286155B6/cs
Priority to PL89281130A priority patent/PL163987B1/pl
Priority to JP1215160A priority patent/JPH0289560A/ja
Priority to AR89314758A priority patent/AR244119A1/es
Priority to CN89106660A priority patent/CN1019282B/zh
Priority to US07/399,200 priority patent/US5048594A/en
Priority to MX017349A priority patent/MX172488B/es
Priority to HU894508A priority patent/HU207676B/hu
Priority to SU894614847A priority patent/SU1739839A3/ru
Publication of EP0356552A1 publication Critical patent/EP0356552A1/fr
Application granted granted Critical
Publication of EP0356552B1 publication Critical patent/EP0356552B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/38—Means for operating the sliding gate
    • 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
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
    • B22D11/186—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by using electric, magnetic, sonic or ultrasonic means

Definitions

  • the invention relates to a method for controlling slide closures, in particular a three-plate slide closure, the slide plate of which, controlled automatically by a processor in a throttle position, regulates the fill level of the melt of a mold and which, when the fill level control is paused, also has an automatically controlled opening stroke in a flow channel the throttle position opposite the slide closure performs an edge change of the standard edge.
  • the object of the present invention is to improve the transition to the fill level control with a system-related design of the edge change, or to keep increased bath level fluctuations occurring in the mold at an operational or quality-safe level.
  • the object is achieved according to the invention in that at least the throttle position to be picked up by the slide plate after an edge change is instructed by a sequence control of the edge change pre-programmed with the processor of the fill level control or assigned to the processor as a subroutine.
  • edge changes can be easily arranged in a normal casting operation with level control or switched on during the casting instead of the level control without having to fear, for example, operational disturbances in the bath level fluctuations in the mold. Rather, an operationally reliable sequence of edge changes is guaranteed in any case, thus creating the basis for the planned use of the edge changes for different casting processes.
  • edge changes can be used to flush the flow opening of the slide closure or to optimize the wear of the slide plate or both, so that for each casting operation a specially created control procedure for slide closures with edge change control and level control is possible.
  • the invention proceeds in such a way that the sequence control measures one or more throttle positions in front of each edge change and the throttle position to be taken after the edge change is determined therefrom.
  • this simple method preferably keeps the bath level fluctuations that occur when alternating use of edge changes in fill level controls within required limits, especially when the throttle position to be taken after an edge change represents an average of at least two previously determined throttle positions.
  • the invention recommends that an edge change is initiated and / or ended by a reinforced throttling preprogrammed in the sequence control, which is designed as a stroke extension held over a period of time.
  • a reinforced throttling preprogrammed in the sequence control, which is designed as a stroke extension held over a period of time.
  • the values of the reinforced throttling should expediently be less than 10 mm for the hub additions and less than 10 seconds for the time periods, it being advantageous to choose values of the throttling reinforced on the input side greater than the values of the throttling reinforced at the end.
  • 1 means an intermediate vessel containing metallic melt with a slide closure 3 arranged on the spout 2.
  • This has a fixed inlet plate 4, an adjustable slide plate 5 and a stationary outlet plate 6, the flow bores of which form a flow channel 7, the cross section of which is adjusted by adjusting the slide plate 5 can be changed in order to regulate the amount of melt which flows from the vessel 1 through a pouring tube 8 connected to the outlet plate 6 to the mold 9.
  • An actuator 10 is used to adjust the slide plate 5, the respective operating position of which is identified by a position meter 11.
  • the mold 9 has a fill level 14 set for normal casting operation, monitored by a transmitter 12 (radiator) and a receiver 13. In it, the melt solidifies to form a strand 15, which is drawn off by the drive rollers 16 of a trigger drive 17, the one is associated with a take-off speed meter 18 controller 19 coupled with control technology.
  • the trigger speed meter 18 simultaneously sends its data to a control processor 20, which also receives and processes the data from the position meter 11 and the measured value receiver 13.
  • the resulting control commands are sent by the processor 20 to the actuator 10 of the slide closure 3 and to the trigger controller 19.
  • the withdrawal speed of the strand 15 during normal casting operation is constant, which means that the desired fill level 14 of the mold 9 is regulated solely on the inflow side by means of the slide closure 3.
  • the slide plate 5 assumes, for example, a throttle position D1 which, with the throttle edge K1, makes control movements in the opening and closing directions direction allowed to maintain the equilibrium of the amount of melt flowing in per unit of time and the strand 15 emerging from the mold 9.
  • edge changes of the slide plate 5, which are particularly evident from FIGS. 3 and 4, are programmed in the processor 20 with the aid of a subroutine. That means from time to time after switching off the program control of the fill level 14 by means of the subroutine instead of the throttle edge K1, the throttle edge K2 is brought into the regulating throttle position D2 and the fill level control is then switched on again.
  • the throttle characteristic curve according to FIG. 5 shows such edge changes that can be defined periodically.
  • the throttle edge K1 reaches the throttle position D1 defined in the processor when the slide plate 5 is extended with the stroke H1 from the open position A shown in FIG. 5 as a horizontal line (see also FIG. 2).
  • This correction is conveyed to the actuator 10 of the slide closure 3 by the processor 20, which receives and stores a value about the current position of the actuator 10 immediately before an edge change after switching off the level control 22, then from the last two values M1, for example and M2 determines an average value M3, which is the control command for the new throttle position D1 to be assumed (FIG. 5).
  • the control method of the slide closure 3 just described during an edge change of the slide plate 5 undergoes a training in accordance with FIG. This is done by means of a hub extension HX stored in the processor 20, which acts over the time tx and lowers the bath level in the mold 9 in order to compensate for the additional inflow of melt into the mold 9 that is to be expected during an edge change.
  • the method according to FIG. 7 also serves to compensate for the additional quantity of melt which arises as a result of an edge change.
  • this also contains a further reinforced throttling HY, ty, but of a smaller format, at the end of each edge change before the release the level control provided.
  • the reinforced throttling Hy, ty at the end serves the purpose of a forced level adjustment in order to bring the melt level to the desired fill level 14 as quickly as possible, in whose sections 22 according to FIG. 8 the edge changes 23 with the throttle reinforcements HX, tx, HY, ty according to FIG. 7 are automatically inserted .
  • FIG. 5 The number of edge changes and their control variants according to the exemplary embodiments according to FIG. 5, FIG. 6 as well as FIGS. 7 and 8 are to be adapted to the respective slide closures 3 or the casting conditions of a continuous casting installation, whereby it can generally be assumed that more precise control processes (for example FIG. 7) for smaller mold cross sections and 8) apply.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Feedback Control In General (AREA)
EP88114177A 1988-08-31 1988-08-31 Procédé de réglage de fermetures à tiroir, en particulier dans les installations de coulée continue Expired - Lifetime EP0356552B1 (fr)

Priority Applications (15)

Application Number Priority Date Filing Date Title
EP88114177A EP0356552B1 (fr) 1988-08-31 1988-08-31 Procédé de réglage de fermetures à tiroir, en particulier dans les installations de coulée continue
AT88114177T ATE74544T1 (de) 1988-08-31 1988-08-31 Verfahren zum steuern von schieberverschluessen, insbesondere an stranggiessanlagen.
ES198888114177T ES2032509T3 (es) 1988-08-31 1988-08-31 Procedimiento para el control de valvulas de compuerta deslizantes, en especial en instalaciones de colada continua.
DE8888114177T DE3869957D1 (de) 1988-08-31 1988-08-31 Verfahren zum steuern von schieberverschluessen, insbesondere an stranggiessanlagen.
ZA895236A ZA895236B (en) 1988-08-31 1989-07-10 Method of controlling sliding gate valves,particularly on continuous casting installations
CA000607348A CA1310249C (fr) 1988-08-31 1989-08-02 Methode de commande de robinets-vannes a guillotive, en particulier sur desinstallations de coulee en continu
CS19894790A CZ286155B6 (cs) 1988-08-31 1989-08-14 Způsob ovládání šoupátkových uzávěrů, zejména u zařízení pro plynulé odlévání
PL89281130A PL163987B1 (pl) 1988-08-31 1989-08-22 Sposób sterowania zamknieciem zasuwowym, zwlaszcza w metalurgicznych urzadzeniachdo odlewania ciaglego PL PL PL
JP1215160A JPH0289560A (ja) 1988-08-31 1989-08-23 摺動閉鎖装置を制御する方法
AR89314758A AR244119A1 (es) 1988-08-31 1989-08-25 Un procedimiento para posicionar selectivamente la placa de corredera de un cierre a corredera, utilizado en instalaciones de colada continua.
CN89106660A CN1019282B (zh) 1988-08-31 1989-08-26 特别适用于连续铸造设备的闸阀控制法
US07/399,200 US5048594A (en) 1988-08-31 1989-08-28 Process for controlling change of throttling position in a sliding closure unit
MX017349A MX172488B (es) 1988-08-31 1989-08-29 Procedimiento para controlar cierres a corredera, especialmente en las instalaciones de colada continua
HU894508A HU207676B (en) 1988-08-31 1989-08-30 Method for steering sluice valve particularly at rod-casting apparatuses
SU894614847A SU1739839A3 (ru) 1988-08-31 1989-08-30 Способ управлени разливкой металла

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88114177A EP0356552B1 (fr) 1988-08-31 1988-08-31 Procédé de réglage de fermetures à tiroir, en particulier dans les installations de coulée continue

Publications (2)

Publication Number Publication Date
EP0356552A1 true EP0356552A1 (fr) 1990-03-07
EP0356552B1 EP0356552B1 (fr) 1992-04-08

Family

ID=8199247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88114177A Expired - Lifetime EP0356552B1 (fr) 1988-08-31 1988-08-31 Procédé de réglage de fermetures à tiroir, en particulier dans les installations de coulée continue

Country Status (15)

Country Link
US (1) US5048594A (fr)
EP (1) EP0356552B1 (fr)
JP (1) JPH0289560A (fr)
CN (1) CN1019282B (fr)
AR (1) AR244119A1 (fr)
AT (1) ATE74544T1 (fr)
CA (1) CA1310249C (fr)
CZ (1) CZ286155B6 (fr)
DE (1) DE3869957D1 (fr)
ES (1) ES2032509T3 (fr)
HU (1) HU207676B (fr)
MX (1) MX172488B (fr)
PL (1) PL163987B1 (fr)
SU (1) SU1739839A3 (fr)
ZA (1) ZA895236B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107127325A (zh) * 2017-05-03 2017-09-05 陆丽宁 一种端盖铸造装置
CN111168029A (zh) * 2020-01-14 2020-05-19 邢台钢铁有限责任公司 一种连铸机大包自动浇铸的控制方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311947A (en) * 1996-03-12 1997-10-15 Flogates Ltd Sliding gate valve
ES2254405T3 (es) * 2000-03-16 2006-06-16 Vesuvius Crucible Company Compuerta de guillotina para control de flujo de metal liquido.
EP2272605A1 (fr) * 2009-06-24 2011-01-12 Siemens AG Procédé de réglage pour la surface de bain d'une coquille de coulée par faisceau
US9063110B2 (en) * 2010-04-30 2015-06-23 Agellis Group Ab Measurements in metallurgical vessels
CN103084566B (zh) * 2011-11-07 2016-08-03 上海宝信软件股份有限公司 钢包调控系统
US10059513B1 (en) 2013-01-04 2018-08-28 Schlagel, Inc. Gate with anti-fouling proximity indicators for handling agricultural granular materials
CA2838446C (fr) 2013-01-04 2017-02-21 Schlagel, Inc. Barriere a commande de barriere variable pour la manutention des matieres granulaires agricoles
CN104759612A (zh) * 2015-04-09 2015-07-08 马钢(集团)控股有限公司 长水口插入式开浇装置及方法
CN105665675A (zh) * 2016-04-07 2016-06-15 江苏永钢集团有限公司 连铸机结晶器内钢水液位自动控制报警系统
CN111250683B (zh) * 2020-02-12 2021-07-30 上海中天铝线有限公司 无模型自适应的轧机浇铸液位控制方法、装置及存储介质
CN111250684B (zh) * 2020-02-12 2021-08-13 上海中天铝线有限公司 基于轧机浇铸装置的液位控制方法、装置及存储介质

Citations (5)

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Publication number Priority date Publication date Assignee Title
US3436023A (en) * 1965-03-09 1969-04-01 Concast Ag Apparatus for altering the position of a jet of molten metal,especially for continuous casting machines
DE1910247A1 (de) * 1969-02-28 1970-09-10 Neitzel Dipl Ing Martin Vorrichtung und Verfahren zum Abgiessen von metallurgischen Schmelzen und aehnlichen Produkten
FR2083566A1 (fr) * 1970-03-25 1971-12-17 Didier Werke Ag Fermeture-a tiroir de conteneur pour metal fondu liquide
GB1515922A (en) * 1975-06-04 1978-06-28 Danieli Off Mecc Bottom pouring vessel with rotary sliding gate valve for molten metal
FR2433384A1 (fr) * 1978-08-19 1980-03-14 Stopinc Ag Dispositif de fermeture a tiroir a trois plaques

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US4077457A (en) * 1974-03-06 1978-03-07 Sumitomo Metal Industries Limited Molten metal pouring control method and apparatus for use in continuous casting equipment
JPS53129125A (en) * 1977-04-19 1978-11-10 Mitsubishi Heavy Ind Ltd Ladle value control apparatus in continuous casting
DE7737254U1 (de) * 1977-12-07 1978-05-18 Zimmermann & Jansen Gmbh, 5160 Dueren Giesspfannenschieber
CH653269A5 (de) * 1981-06-01 1985-12-31 Metacon Ag Verfahren zum verhindern des einfrierens von metallischen schmelzen im auslaufkanal eines giessgefaesses.
JPS603952A (ja) * 1983-06-20 1985-01-10 Sumitomo Metal Ind Ltd 溶融金属の注入方法
US4597048A (en) * 1983-09-07 1986-06-24 United States Steel Corporation Digital flow regulation of liquid-level control for a continuous casting mold
DE3422901A1 (de) * 1984-06-20 1986-01-02 Metacon AG, Zürich Verfahren zum vergiessen einer metallischen schmelze
US4730660A (en) * 1984-09-05 1988-03-15 Metacon Aktiengesellschaft Process for casting molten metal into several strands
US4625787A (en) * 1985-01-22 1986-12-02 National Steel Corporation Method and apparatus for controlling the level of liquid metal in a continuous casting mold
JPS61212460A (ja) * 1985-03-19 1986-09-20 Sumitomo Metal Ind Ltd 連続鋳造設備の溶鋼注流路詰り防止装置
DE3509932A1 (de) * 1985-03-19 1986-10-02 Metacon AG, Zürich Verfahren zum anfahren einer stranggiessanlage
DE3742215A1 (de) * 1987-12-12 1989-06-22 Metacon Ag Verfahren zum freihalten des durchflusskanals von schiebeverschluessen an stranggiessanlagen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436023A (en) * 1965-03-09 1969-04-01 Concast Ag Apparatus for altering the position of a jet of molten metal,especially for continuous casting machines
DE1910247A1 (de) * 1969-02-28 1970-09-10 Neitzel Dipl Ing Martin Vorrichtung und Verfahren zum Abgiessen von metallurgischen Schmelzen und aehnlichen Produkten
FR2083566A1 (fr) * 1970-03-25 1971-12-17 Didier Werke Ag Fermeture-a tiroir de conteneur pour metal fondu liquide
GB1515922A (en) * 1975-06-04 1978-06-28 Danieli Off Mecc Bottom pouring vessel with rotary sliding gate valve for molten metal
FR2433384A1 (fr) * 1978-08-19 1980-03-14 Stopinc Ag Dispositif de fermeture a tiroir a trois plaques

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107127325A (zh) * 2017-05-03 2017-09-05 陆丽宁 一种端盖铸造装置
CN111168029A (zh) * 2020-01-14 2020-05-19 邢台钢铁有限责任公司 一种连铸机大包自动浇铸的控制方法
CN111168029B (zh) * 2020-01-14 2022-04-05 邢台钢铁有限责任公司 一种连铸机大包自动浇铸的控制方法

Also Published As

Publication number Publication date
EP0356552B1 (fr) 1992-04-08
DE3869957D1 (de) 1992-05-14
CZ286155B6 (cs) 2000-01-12
CA1310249C (fr) 1992-11-17
US5048594A (en) 1991-09-17
HU207676B (en) 1993-05-28
JPH0289560A (ja) 1990-03-29
PL163987B1 (pl) 1994-06-30
MX172488B (es) 1993-12-17
HUT54574A (en) 1991-03-28
CS479089A3 (en) 1991-10-15
ZA895236B (en) 1990-04-25
ES2032509T3 (es) 1993-02-16
AR244119A1 (es) 1993-10-29
CN1040528A (zh) 1990-03-21
SU1739839A3 (ru) 1992-06-07
ATE74544T1 (de) 1992-04-15
CN1019282B (zh) 1992-12-02

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