EP0734801B2 - Vorrichtung zum Regeln eines Metall-zuflusses mittels einem Stopfen - Google Patents
Vorrichtung zum Regeln eines Metall-zuflusses mittels einem Stopfen Download PDFInfo
- Publication number
- EP0734801B2 EP0734801B2 EP96104202A EP96104202A EP0734801B2 EP 0734801 B2 EP0734801 B2 EP 0734801B2 EP 96104202 A EP96104202 A EP 96104202A EP 96104202 A EP96104202 A EP 96104202A EP 0734801 B2 EP0734801 B2 EP 0734801B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- stopper
- casting
- lifting rod
- guide
- 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
- 239000002184 metal Substances 0.000 title claims description 8
- 229910052751 metal Inorganic materials 0.000 title claims description 8
- 238000005266 casting Methods 0.000 claims description 17
- 238000009749 continuous casting Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000007257 malfunction Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004540 pour-on Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000005406 washing 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
- B22D11/161—Controlling or regulating processes or operations for automatic starting the casting process
-
- 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
-
- 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
- B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
- B22D41/20—Stopper-rod operating equipment
Definitions
- the invention relates to a device for Regulating a metal inflow from a pouring vessel in a continuous casting mold according to the characteristics of the The preamble of claim 1.
- DE-1 458 076 A An example of a control device according to the preamble of claim 1 is disclosed in DE-1 458 076 A. With this device, the position of a stopper of a ladle changed in a controlled manner are by means of an electromechanical drive, whose control is operated manually. In an emergency, for example in the event of a power failure, it may be necessary perform a stopper movement manually.
- DE - 1 180 096 B proposes a compact design for the Actuating device for a stopper of a ladle with manually operated, electromechanical Plug drive before. This example includes the actuating device a plug guide rod, which is formed by the drive itself.
- a device is known from EP publication 0 444 297 A2 to regulate a metal inflow from a Pouring vessel into a continuous casting mold for one Steel strand known.
- a plug that can be raised and lowered interacts with a pouring nozzle.
- the stroke of the Plugging can be done on the one hand by means of a drive, e.g. B. a piston-cylinder unit, and on the other hand in an emergency can be operated by hand using an articulated lever.
- the Metal inflow according to a predetermined program by means of a computer and / or by means of a bath level measuring device to be controlled.
- the invention has for its object to provide a stopper control device which overcomes the aforementioned disadvantages and in particular leaves the classic stopper actuation concept, which provides for manual intervention on a stopper regulating lever at the start or in emergency situations.
- the plug control should also have a significantly higher regulation accuracy and regulation speed in order to further improve the strand quality. For all malfunctions occurring in practice, such as breakthroughs, plug wear and nozzle washing, Al 2 O 3 deposits, etc., predetermined sequence programs should also be able to be used automatically or via remote control.
- the new plug actuation concept is intended to save personnel costs during commissioning and service, but also during the casting operation itself.
- the plugs are for the outflow regulation compared to the pouring nozzle as a rule lowered. But plugs are also known to pass through a rotary movement control the outflow control.
- the guiding device exists for a lifting and lowering stopper from a lifting rod and a guide.
- the device for regulating the flow of metal the programmed or has to perform remote-controlled casting processes, be attached.
- the device can save particularly effective according to one embodiment for intermediate vessels for multi-line systems be applied.
- Such intermediate vessels have up to eight pouring nozzles, each with a stopper regulation on.
- Module box a device for hanging on Arrange watering vessel and quick release elements to be provided for a rigid attachment.
- Precise flow control requires one high stroke accuracy, high movement speed the lifting rod and a minimum of movable Parts between the lifting rod and the servo motor.
- the drive axis of the engine and the Lift rod together with its guide parallel to each other to be arranged in the module box and the rotary movement the motor directly onto a ball screw drive and from this in turn directly to the lifting rod transfer.
- the control accuracy can be further increased when the vertical guide of the lifting rod consists of a ball bearing longitudinal guide and their length is 50 - 80% of the intermediate vessel height (bottom cover layer) is.
- a handwheel on the spindle of the ball screw drive can be coupled.
- the Pouring nozzle an emergency slide with a cap assigned.
- a pouring vessel 1 and 2 is a pouring vessel as an intermediate vessel 2 within a continuous steel caster shown.
- a continuous casting mold 3 provides a casting mold
- a pouring nozzle 4 acts with a lifting and lowerable plug 5 together and regulates the steel flow from the intermediate vessel 2 into the continuous casting mold 3.
- the inflow of steel into the mold 3 is after a predetermined program, e.g. an entertainment program, and / or after a bath level measuring device 7 controlled.
- the refractory stopper 5 encases the stopper rod 8, which has an arm 9 with a lifting rod 10 is connected.
- the lifting rod 10 is in one Vertical guide 12 arranged in this example consists of a ball bearing longitudinal guide.
- On computer controlled electromechanical drive in the Form of a servo motor 13 is together with the lifting rod 10 and its vertical guide 12 in a module box 15 arranged.
- the module box 15 is on Intermediate vessel 2 with clamping elements 16 interchangeable attached. To ensure easy replacement, are on the module box 15 Suspension devices 17 are provided.
- the clamping elements 16 are as quick release and centering elements educated. Between the wall 19 of the tundish 2 and the module box 15 is an open air gap 20 arranged.
- the module box 15 is through a cover 21 sealed dust-proof and via a compressed air connection 22 an air overpressure can be built up.
- the air pressure is part of an air circulation system 23, which is represented by arrow.
- the air circulation system 23 in the module box serves as Coolant for the motor 13, a ball screw 27, 28, the lifting rod 10 and the plug support arm 9.
- a drive axis 25 of the motor 13 is over a flexible, angularly rigid coupling 26 with the ball screw 27 connected.
- the spindle 27 forms together with a nut 28 a ball screw drive, the nut 28 and the lifting rod 10 over a bridge 29 are rigidly connected. About the bridge 29 becomes the path of the mother 28 directly onto the Transfer lifting rod 10.
- the drive shaft 25 with the Spindle 27 are parallel and at a short distance from Lift rod 10 arranged in the module box 15.
- a Handwheel 30 arranged, which can be coupled to the spindle 27 and a height adjustment of the lifting rod 10 allowed if the electrical connection cable to the Engine is unplugged.
- a signal generator 33 connected to a power failure detected and a computer in the control cabinet 34 reports are further in the electrical Drive supply capacitors arranged whose Capacity for a program-controlled emergency closing movement of the plug is sufficient in the event of a power failure.
- a plug control device is also a malfunction subjected that come from the refractory side, such as breaking refractory parts on the stopper, breaking or wash out the pouring nozzle etc. order a Leakage of the intermediate vessel in an emergency situation regardless of the stopper control, is an emergency slide controlled by a piston-cylinder unit 36 attached to the intermediate vessel bottom. With a locking block of the emergency slide 36 can Outflow nozzle 4 closed and, if necessary, a pouring tube can be separated at the same time. The Medium for the actuation of the emergency slide is from delivered an accumulator.
- Intermediate vessels for continuous casting plants are provided with up to eight plugs, each plug its own module box and its own control assigned. If the intermediate vessel from the preheating position in the pouring position over the molds or brought into a filling position near the pouring position, see above the plug drive motor is started by means of electrical connectors 37 to the control cabinet 34 connected. After this connection the Stopper movement from the start of pouring only controlled by electrical signals.
- Transmission means such as wire, light guide, radio, infrared etc., find application.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Casting Devices For Molds (AREA)
- Continuous Casting (AREA)
Description
- Fig. 1
- einen Vertikalschnitt durch ein Zwischengefäss mit einer Stopfenregeleinrichtung und
- Fig. 2
- einen etwas vergrösserten Schnitt nach der Linie II-II von Fig. 1.
Claims (13)
- Vorrichtung zum Regeln eines Metallzuflusses aus einem Giessgefäss (2) mit einem Stopfen (5), der mit einer Ausgussdüse (4) zusammenwirkt,
mit einem am Giessgefäss (2) mit Spannelementen (16) auswechselbar befestigten Kasten (15),
in dem eine Führungseinrichtung (10,12) und
ein elektromechanischer Antrieb (13) für den Stopfen (5) angeordnet sind und der Antrieb (13) mit einer Steuerung (34) mittels elektrischer Steckverbindungen (37) verbindbar ist,
dadurch gekennzeichnet, dass das Giessgefäss als Zwischengefäss (2) einer Stahlstranggiessanlage ausgebildet ist und
dass eine Rechnersteuerung (34) für den Antrieb (13) zur Steuerung der Stopfenbewegung nach einem vorbestimmten Programm und mittels einer Badspiegelmesseinrichtung (7) einer Stranggiesskokille (3) vorgesehen, die Stopfenbewegung ab Giessbeginn ausschliesslich durch den elektrischen Antrieb und elektrische Signale steuerbar ist,
sich anbahnende Störungsfälle durch Erfassung entsprechender Parameter erkennbar und über vorbestimmte Programme entsprechend korrigierbar sind,
in der Stromversorgung (32) für den Antrieb (13) ein Signalgeber (33) für eine schnelle Detektion eines Stromausfalles zugeordnet ist, und
dass der Signalgeber (33) über die Rechnersteuerung (34) und den mit Strom versorgten Antrieb (13) eine Notschliessbewegung bei Stromausfall auslöst. - Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Modulkasten (15) staubdicht verschließar und mit einem Luftüberdruck beaufschlagbar ist.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Führungseinrichtung für einen heb- und senkbaren Stopfen aus einer Hubstange (10) und einer Führung (12) besteht.
- Vorrichtung nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, dass das Giessgefäss aus einem Zwischengefäss (2) für eine Mehrstranganläge besteht und mit 2 - 8 Modulkästen (15) ausgerüstet ist.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Luftübendruck über ein Luftzirkulationssystem (23) aufgebaut ist und die Luft den Modulkasten (15), die Hubstange (10) und einen Stopfentragarm (9) als Kühlmedium durchfliesst.
- Vorrichtung nach einem der Ansprüche 2 - 5, dadurch gekennzeichnet, dass zwischen der Wand (19) des Giessgefässes (2) und dem Modulkasten (15) ein offener Luftspalt (20) angeordnet ist.
- Vorrichtung nach einem der Ansprüche 2 - 6, dadurch gekennzeichnet, dass am Modulkasten (15) eine Einrichtung zum Aufhängen (17) am Giessgefäss (2) und Schnellspannelemente (16) für eine starre Befestigung vorgesehen sind.
- Vorrichtung nach einem der Ansprüche 2 - 7, dadurch gekennzeichnet, dass die Antriebsachse (25) des Antriebs (13) und die Hubstange (10) zusammen mit ihrer Führung (12) parallel zueinander im Modulkasten (15) angeordnet sind und der Antrieb (13) die Drehbewegung direkt auf einen Kugelgewindetrieb (27, 28) und von diesem eine Hubbewegung direkt auf die Hubstange (10) überträgt.
- Vorrichtung nach einem der Ansprüche 1 - 8, dadurch gekennzeichnet, dass ein Handrad (30) an eine Gewindespindel (27) des Kugelgewindetriebes an und abkuppelbar ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Stromversorgung (32) für den Antrieb (13) Kondensatoren umfasst, deren Kapazität für eine programmgesteuerte Notschliessbewegung des Stopfens (5) bei Stromausfall ausreicht.
- Vorrichtung nach einem der Ansprüche 1 - 10 dadurch gekennzeichnet, dass die Vertikalführung (12) der Hubstange (10) aus einer kugelgelagerten Längsführung besteht und ihre Länge L = 50 - 80 %, vorzugsweise 70 - 80 %, der Zwischengefässhöhe (39) (Boden - Deckelauflage) beträgt.
- Vorrichtung nach einem der Ansprüche 1 - 11, dadurch gekennzeichnet, dass der Ausgussdüse (4) ein Notschieber (36) mit einem Verschlussstein zugeordnet ist.
- Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass der Notschieber mit einer Kolbenzylindereinheit und mit einem Akkumulator für das Betätigungsmedium versehen ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00870/95A CH689728A5 (de) | 1995-03-28 | 1995-03-28 | Vorrichtung zum Regeln eines Zuflusses einer Metallschmelze mittels eines Stopfens. |
CH87095 | 1995-03-28 | ||
CH870/95 | 1995-03-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0734801A1 EP0734801A1 (de) | 1996-10-02 |
EP0734801B1 EP0734801B1 (de) | 1999-07-28 |
EP0734801B2 true EP0734801B2 (de) | 2003-02-05 |
Family
ID=4197097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96104202A Expired - Lifetime EP0734801B2 (de) | 1995-03-28 | 1996-03-16 | Vorrichtung zum Regeln eines Metall-zuflusses mittels einem Stopfen |
Country Status (6)
Country | Link |
---|---|
US (1) | US5674426A (de) |
EP (1) | EP0734801B2 (de) |
CA (1) | CA2172335C (de) |
CH (1) | CH689728A5 (de) |
DE (1) | DE59602511D1 (de) |
ES (1) | ES2137580T5 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6446704B1 (en) * | 1997-06-27 | 2002-09-10 | Richard J. Collins | Continuous casting mold plug activation and bleedout detection system |
DE19843033B4 (de) * | 1998-09-19 | 2017-11-09 | Sms Group Gmbh | Durchbrucherkennungsverfahren für eine Stranggießkokille |
FR2848131B1 (fr) * | 2002-12-04 | 2006-01-06 | Realisations Tech Sert Soc Et | Ensemble de commande d'un obturateur appartenant a une installation de coulee continue, et installation de coulee continue correspondante |
US7296613B2 (en) | 2003-06-13 | 2007-11-20 | Wagstaff, Inc. | Mold table sensing and automation system |
ITMI20042301A1 (it) * | 2004-11-30 | 2005-02-28 | Danieli Off Mecc | Dispositivo di comando di un'asta-tampone |
DE102005024924B8 (de) * | 2005-05-23 | 2007-10-25 | Strikowestofen Gmbh | Schmelz- oder Warmhalteofen |
US20070120707A1 (en) * | 2005-11-29 | 2007-05-31 | Rv Insite, Inc. | Method for positioning recreational vehicles and portable position sensor and alert system for recreational vehicles and other vehicles |
US8210402B2 (en) * | 2009-02-09 | 2012-07-03 | Ajf, Inc. | Slag control shape device with L-shape loading bracket |
US8580186B2 (en) * | 2010-04-19 | 2013-11-12 | Novelis Inc. | Flow control apparatus for molten metal |
EP2574414A1 (de) * | 2011-09-30 | 2013-04-03 | Siemens VAI Metals Technologies GmbH | Elektromechanischer Stopfenantrieb |
AT518476B1 (de) * | 2016-04-12 | 2020-02-15 | Primetals Technologies Austria GmbH | Verfahren zum Starten und Stoppen einer mehrsträngigen Stranggießmaschine, Gemeinsamer Stopfenantrieb und Mehrsträngige Stranggießmaschine |
EP3782748A1 (de) * | 2019-08-20 | 2021-02-24 | Refractory Intellectual Property GmbH & Co. KG | Antriebsvorrichtung für einen stopfenverschluss an einem metallurgischen gefäss |
CN110961612A (zh) * | 2019-12-31 | 2020-04-07 | 衡阳镭目科技有限责任公司 | 双杆式塞棒执行装置 |
AT17334U1 (de) * | 2020-08-26 | 2021-12-15 | Sheffield Hi Tech Refractories Germany Gmbh | Vorrichtung zum Verschließen eines Gießrohres eines metallurgischen Gefäßes |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0299255A (ja) † | 1988-05-16 | 1990-04-11 | Nippon Steel Corp | 薄肉鋼板用の連続鋳造機の湯面制御装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1139241B (de) * | 1960-08-23 | 1962-11-08 | Juenkerather Maschbau Gmbh | Betaetigungsvorrichtung fuer den Stopfen einer Giesspfanne |
DE1180096B (de) * | 1962-03-31 | 1964-10-22 | Juenkerather Maschbau Gmbh | Betaetigungsvorrichtung fuer den Stopfen einer Giesspfanne |
DE1458076A1 (de) * | 1963-03-25 | 1968-11-21 | Korthaus Helmut | Einrichtung zur elektromotorischen Steuerung des Verschlussstopfens einer Giesspfanne |
DE8510920U1 (de) * | 1985-04-13 | 1986-08-07 | Ruhrgas Ag, 4300 Essen | Notschieber für Verteilerrinnen von Stranggießanlagen |
EP0296443A3 (de) * | 1987-06-22 | 1989-11-08 | Zimmermann & Jansen GmbH | Verfahren und Vorrichtung zum automatischen Füllen einer Stranggiesskokille |
CH682376A5 (de) * | 1990-02-28 | 1993-09-15 | Stopinc Ag | Verfahren zum automatischen Angiessen von einer Stranggiessanlage. |
JPH04270049A (ja) * | 1991-02-25 | 1992-09-25 | Sumitomo Metal Ind Ltd | 連続鋳造機のストッパ装置及び湯面レべル制御装置 |
US5312090A (en) * | 1992-12-14 | 1994-05-17 | Cmi International | Apparatus and method for controlling a stopper rod of a bottom pouring vessel |
-
1995
- 1995-03-28 CH CH00870/95A patent/CH689728A5/de not_active IP Right Cessation
-
1996
- 1996-03-16 EP EP96104202A patent/EP0734801B2/de not_active Expired - Lifetime
- 1996-03-16 DE DE59602511T patent/DE59602511D1/de not_active Expired - Lifetime
- 1996-03-16 ES ES96104202T patent/ES2137580T5/es not_active Expired - Lifetime
- 1996-03-20 US US08/618,964 patent/US5674426A/en not_active Expired - Lifetime
- 1996-03-21 CA CA002172335A patent/CA2172335C/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0299255A (ja) † | 1988-05-16 | 1990-04-11 | Nippon Steel Corp | 薄肉鋼板用の連続鋳造機の湯面制御装置 |
Also Published As
Publication number | Publication date |
---|---|
CA2172335A1 (en) | 1996-09-29 |
US5674426A (en) | 1997-10-07 |
EP0734801A1 (de) | 1996-10-02 |
EP0734801B1 (de) | 1999-07-28 |
CA2172335C (en) | 2001-06-12 |
ES2137580T5 (es) | 2003-08-01 |
ES2137580T3 (es) | 1999-12-16 |
CH689728A5 (de) | 1999-09-30 |
DE59602511D1 (de) | 1999-09-02 |
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