EP3231532A1 - Procédé de démarrage et d'arrêt d'une machine à fondre plusieurs filets, entraînement de garniture et machine à fondre plusieurs filets - Google Patents
Procédé de démarrage et d'arrêt d'une machine à fondre plusieurs filets, entraînement de garniture et machine à fondre plusieurs filets Download PDFInfo
- Publication number
- EP3231532A1 EP3231532A1 EP17165692.9A EP17165692A EP3231532A1 EP 3231532 A1 EP3231532 A1 EP 3231532A1 EP 17165692 A EP17165692 A EP 17165692A EP 3231532 A1 EP3231532 A1 EP 3231532A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- casting
- plug
- plug drive
- continuous casting
- drive
- 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
Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 title 1
- 238000005266 casting Methods 0.000 claims abstract description 112
- 238000009826 distribution Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 241001136792 Alle Species 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000725 suspension Substances 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
- 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
-
- 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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/0403—Multiple moulds
-
- 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
- B22D11/08—Accessories for starting the casting procedure
-
- 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
- B22D11/14—Plants for continuous casting
- B22D11/147—Multi-strand plants
-
- 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
Definitions
- Method for starting or stopping the casting operation of a multi-strand continuous casting machine which is particularly suitable for casting long products made of steel, are basically known in the prior art.
- plug drives are used.
- a plug drive moves a single plug, so that the plug can open, close or regulate an outflow of liquid steel from the casting distributor into a mold.
- the plug is usually made of refractory material and is replaced after a manifold change.
- the object of the invention is to reduce the time for the assembly or disassembly of the plug drives on a G confuseverteiler.
- the risk of damage to the plug drives in the distribution economy is to be reduced.
- the risk of injury during assembly or disassembly of the plug drives for the assembly staff should be reduced.
- multi-plug drive In contrast to the prior art, only a single plug drive (called “multi-plug drive”) according to claim 10 - and not, as is common in the prior art, several separate plug drives - mounted on the casting manifold, wherein the multi-plug drive a plurality -. at least two - stopper can open and close independently and the individual stopper drives of the multi-plug drive are releasably secured to a beam.
- the multi-plug drive according to the invention by the assembly time is shortened. During assembly, the casting distributor is located in the so-called setup area of the continuous casting machine.
- the plugs are attached to the individual plug drives.
- the G tellverteiler is placed with the multi-plug drive and the plug on a distribution truck, the distribution car is at this time in a parking position on the casting platform of the continuous casting machine.
- the electrical connections between a control of the continuous casting machine and the multi-plug drive are made.
- the control of the continuous casting machine via a single harness with the Multi-plug drive connected, which in turn reduces the assembly time.
- the casting distributor e.g. burned by burner, so that the G confuseverteiler or its lining is not damaged by the subsequent filling with molten steel.
- the distribution truck is moved to the casting position.
- the distribution truck is guided by rails on the casting platform.
- the at least partial filling of the casting distributor with molten steel may take place either in the park or the casting position, e.g. directly from a pan or via a so-called pan rotation.
- At least one spout passage is opened from the spreader by moving (typically lifting) a plug of the multi-plug drive, whereby molten steel from the spreader enters the mold and the casting operation is started.
- the multi-plug drive is transported from a storage area to the setup area prior to assembly.
- the transporting is preferably carried out by means of a transport manipulator, which is optionally movable parallel to the casting platform or about an axis perpendicular to the casting platform axis. This allows the multi-plug drive to be safely manipulated. It is particularly preferred if the transporting and mounting of the multi-plug drive are carried out on the casting distributor by means of one and the same manipulator.
- At least one outlet channel that is open in the current casting operation is first closed out of the casting distributor by moving (typically lowering) a stopper so that all the stoppers of the multi-stopper drive are closed.
- the casting operation is terminated.
- the G confuseverteiler is moved to the parking position, where the G confuseverteiler - for example, by natural convection - can cool.
- the G confuseverteiler is transported into the setup area of the continuous casting machine, where the plugs are released from the multi-plug drive. The release can be done for example by knocking off the plug.
- the multi-plug drive is removed from the casting distributor. Due to the weight of the G manverteilers, it is advantageous if the lifting of the G tellverteilers done by the distribution truck and transporting the G tellverteilers in the set-up area by means of a crane.
- the multi-plug drive is transported by means of a manipulator into a storage area. It is particularly preferred if the dismantling and transporting of the multi-plug drive take place by means of the same manipulator.
- multi-plug drive By forming a single assembly "multi-plug drive” according to claim 10, the plurality of plug drives can be quickly mounted or disassembled in a multi-strand continuous casting machine on G confuseverteiler.
- the manipulator is designed for mounting and dismounting the multi-plug drive.
- the hoist can be formed in a simple case as arranged on a boom chain pulley;
- the traversing device can be formed, for example, by a linear drive, a plurality of guide wheels and a rail.
- the Fig. 1 shows a perspective view of a G confuseverteilers 1, on which a multi-plug drive 2 for four strands of a continuous casting machine for continuous casting of billet strands is mounted.
- the multi-plug drive 2 has four plug drives 3a ... 3d and a common bar 4.
- the Fig. 3 shows that the beam 4 can be suspended on an upper pin 8a of the casting manifold 1.
- About the clamping unit 7 and the lower pin 8b of the multi-plug drive 2 is clamped to the casting manifold 1, whereby a releasable connection between the casting manifold 1 and the multi-plug drive 2 is formed.
- the plugs 5 of Fig. 2 be manually closed by means of the emergency 6.
- the plugs 5 are detachably connected via a screw connection 18 with the respective plug drive.
- the stopper 5 can open, close or set the flow rate by means of the stopper drive 3a... 3d a discharge channel 9 from the casting distributor to the mold, which is not shown here.
- the plugs 5 are made of refractory material and are releasably connected via the screw connection 18 with a plug drive; for example, the plug 5 is off Fig. 2 releasably connected to the plug drive 3a.
- FIGS. 4 to 7 For example, the process steps for starting the casting operation of a four-stranded continuous casting machine for casting steel round billets are shown schematically.
- Fig. 4 on the right is shown a multi-plug drive 2 for four strands, which is located in a storage area 10 on the casting platform of the continuous casting machine.
- the G confuseer 1 is shown, which is located in a setting area 11 of the continuous casting machine.
- the casting distributor 1 with the multi-stopper drive 2 mounted thereon is shown at the far left, wherein the multi-stopper drive 2 is detachably connected to the casting distributor 1 via two clamping units 7.
- FIG. 6 three multi-plug drives 2 are shown in a storage area 10 of the continuous casting machine.
- a stopper drive 2 is transported by means of a manipulator 15 from the storage area 10 to the set-up area 11 and lowered there via the hoist 17 of the manipulator 15 on the G confuseverteiler 1 and mounted thereon.
- the lowering of the multi-plug drive 2 by means of the Hoist 17 is in Fig. 5 shown.
- the manipulator 15 via rails 13 parallel to casting platform 16 is movable.
- the traversing directions the manipulator 15 and the hoist 17 are represented by arrows.
- Fig. 5 are also shown attached to the multi-plug drive 2 plug 5 shown.
- the plug 5 is connected via a screw connection 18 with a plug drive (see also Fig. 2 ).
- the placing of the casting distributor 1 on the distribution truck 12 by a crane is not shown separately. Also not shown are the production of electrical connections between the control of the continuous casting machine and the multi-plug drive 2, the heating of the casting manifold 1 via burners and the filling of the casting manifold 1 with liquid steel, for example via a ladle turret.
- Fig. 7 the distribution truck 12 is pulled through with the casting distributor 1 mounted thereon in the parking position and shown in dashed lines in the casting position.
- the method of the distribution truck 12 on rails 13 is again symbolized by an arrow.
- the molds 14a... 14d of the multi-strand continuous casting machine 100 are shown.
- the opening of a plug 5 of the multi-plug drive 2 is in Fig. 2 shown. As a result, the casting operation of the multi-strand continuous casting machine is started.
- FIG. 8 an embodiment of a multi-strand continuous casting machine 100 according to the invention is shown.
- the multi-plug drive 2 is lifted by means of the manipulator 15 and the hoist 17 from the storage area 10, transported into the set-up area 11 and placed there on the casting manifold and mounted.
- the manipulator by the travel drive 15a on the rails 13 is movable.
- the casting distributor 1 with the multi-stopper drive 2 is then lifted off from the set-up region 11 by means of the crane 19 designed as a hall crane and placed on the distributor carriage 12.
- the distribution truck 12 can then be moved on further rails 13 from the parking position to the casting position shown dashed.
- the hall crane has a trolley 20, so that the crane can be moved as shown from left to right on the trolley 20 and from top to bottom on the laterally arranged rails 13 in the casting hall.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50311/2016A AT518476B1 (de) | 2016-04-12 | 2016-04-12 | Verfahren zum Starten und Stoppen einer mehrsträngigen Stranggießmaschine, Gemeinsamer Stopfenantrieb und Mehrsträngige Stranggießmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3231532A1 true EP3231532A1 (fr) | 2017-10-18 |
EP3231532B1 EP3231532B1 (fr) | 2020-11-11 |
Family
ID=58530435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17165692.9A Active EP3231532B1 (fr) | 2016-04-12 | 2017-04-10 | Procédé de démarrage et d'arrêt d'une machine à fondre plusieurs filets, entraînement de garniture et machine à fondre plusieurs filets |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3231532B1 (fr) |
AT (1) | AT518476B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112296289A (zh) * | 2020-09-11 | 2021-02-02 | 中冶南方连铸技术工程有限责任公司 | 并行控制的翻钢系统及其并行控制方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0223078A1 (fr) * | 1985-10-26 | 1987-05-27 | Metacon AG | Procédé de démarrage d'une installation de coulée continue à plusieurs lignes |
EP2574414A1 (fr) * | 2011-09-30 | 2013-04-03 | Siemens VAI Metals Technologies GmbH | Entraînement de bouchon électromagnétique |
WO2014001145A2 (fr) * | 2012-06-27 | 2014-01-03 | Siemens Vai Metals Technologies Gmbh | Chariot distributeur doté d'un distributeur de coulée pour une machine de coulée continue |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH689728A5 (de) * | 1995-03-28 | 1999-09-30 | Concast Standard Ag | Vorrichtung zum Regeln eines Zuflusses einer Metallschmelze mittels eines Stopfens. |
JP2003528730A (ja) * | 2000-03-29 | 2003-09-30 | エス・エム・エス・デマーク・アクチエンゲゼルシャフト | 連続鋳造設備を自動的に作動開始させるための方法および装置 |
DE102013218345B4 (de) * | 2013-09-12 | 2021-02-04 | Sms Group Gmbh | Vorrichtung zum Verschließen einer Abflussöffnung in einem metallurgischen Gefäß |
-
2016
- 2016-04-12 AT ATA50311/2016A patent/AT518476B1/de not_active IP Right Cessation
-
2017
- 2017-04-10 EP EP17165692.9A patent/EP3231532B1/fr active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0223078A1 (fr) * | 1985-10-26 | 1987-05-27 | Metacon AG | Procédé de démarrage d'une installation de coulée continue à plusieurs lignes |
EP2574414A1 (fr) * | 2011-09-30 | 2013-04-03 | Siemens VAI Metals Technologies GmbH | Entraînement de bouchon électromagnétique |
WO2014001145A2 (fr) * | 2012-06-27 | 2014-01-03 | Siemens Vai Metals Technologies Gmbh | Chariot distributeur doté d'un distributeur de coulée pour une machine de coulée continue |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112296289A (zh) * | 2020-09-11 | 2021-02-02 | 中冶南方连铸技术工程有限责任公司 | 并行控制的翻钢系统及其并行控制方法 |
CN112296289B (zh) * | 2020-09-11 | 2022-01-07 | 中冶南方连铸技术工程有限责任公司 | 并行控制的翻钢系统及其并行控制方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3231532B1 (fr) | 2020-11-11 |
AT518476B1 (de) | 2020-02-15 |
AT518476A1 (de) | 2017-10-15 |
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