EP0984836B1 - Stranggiessvorrichtung - Google Patents

Stranggiessvorrichtung Download PDF

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Publication number
EP0984836B1
EP0984836B1 EP98930741A EP98930741A EP0984836B1 EP 0984836 B1 EP0984836 B1 EP 0984836B1 EP 98930741 A EP98930741 A EP 98930741A EP 98930741 A EP98930741 A EP 98930741A EP 0984836 B1 EP0984836 B1 EP 0984836B1
Authority
EP
European Patent Office
Prior art keywords
continuous casting
mould
equipment according
casting equipment
cooling medium
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
Application number
EP98930741A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0984836A1 (de
Inventor
Norbert Kaell
Charles Assa
Rudy Petry
Emile Lonardi
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.)
Paul Wurth SA
Original Assignee
Paul Wurth SA
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 Paul Wurth SA filed Critical Paul Wurth SA
Publication of EP0984836A1 publication Critical patent/EP0984836A1/de
Application granted granted Critical
Publication of EP0984836B1 publication Critical patent/EP0984836B1/de
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
    • 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
    • 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
    • B22D11/053—Means for oscillating the 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
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/043—Curved 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
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/055—Cooling the moulds

Definitions

  • the invention relates to a continuous casting device. It affects in particular a continuous casting device with integrated vibrating device.
  • a classic vibrating device comprises a continuous casting device a lifting table on which the continuous casting mold is arranged as a unit.
  • This Lift tables have a relatively large mass and also require quite a lot Space below the mold, where this space is not always available.
  • a compact Vibration device described which is an annular lifting cylinder has a mold consisting of a pouring tube and a Cooling box, can be hooked axially.
  • a cooling water circuit is the cooling box of the mold with flexible pipe connections fixed connecting piece connected.
  • the present application is based on the task of a continuous casting device with an integrated, compact vibrating device create, with the continuous casting mold to be vibrated when changing should be particularly easy to connect to a cooling circuit.
  • This The object is achieved by a continuous casting device according to claim 1.
  • a continuous casting device comprises a support structure, a rocker arm which is pivotable about a first pivot axis in this Support structure is mounted, a drive connected to the rocker arm is, as well as a continuous casting mold which can be acted upon with cooling medium.
  • On The support for carrying the mold can be swiveled around a second axis Rocker arm mounted.
  • At least one connection for a cooling medium is in the Support integrated.
  • the mold is carried by the support and is detachable connected to the at least one connection for the cooling medium, so that it can be effortlessly installed and removed as a unit, which can be swiveled mounted support remains attached to the rocker arm when the mold is removed, and consequently the connection for the cooling medium integrated in the support an external cooling circuit can remain connected.
  • the Swing arm, with swing-mounted support with integrated connection represents an extremely compact vibrating device for the cooling medium.
  • first Connection means in the pivotable support and second connection means in the Chill mold are integrated, these first and second connection means such are designed to be complementary so that when the mold is placed on it pivotable supports work together to provide a sealed transition for train the cooling medium.
  • the mold is connected to an external one
  • the cooling circuit can therefore be operated without separate pipes, by simply placing the mold on the swiveling support.
  • the support can be formed by a collector ring, which is pivotally mounted in the rocker arm.
  • this collector ring the Chill used and relative to the top and bottom sealants Sealed collector ring, so that collector ring and sealant one form an annular collector around the mold.
  • these sealants include an upper and lower Sealing flange on the mold, the upper sealing flange using a first Seal rests on an upper sealing surface of the collector ring, and the lower sealing flange by means of a second seal on a lower sealing surface of the collector ring rests, and the upper sealing flange is larger than that lower sealing flange.
  • the mold can be easily inserted into the Collector ring can be used.
  • the mold advantageously has an annular sealing rib that sealed against an inner surface of the collector ring to in Connection collector to separate a flow chamber and a return chamber.
  • the support comprises a first one Connection plate in the at least one cooling medium connection a first Forms mouth, which is surrounded by a first sealing surface.
  • a second connection plate, with at least one second junction for entry or discharge of a cooling medium is arranged on the mold. If the In the operating position of the mold on the support, the two junctions are located facing each other, and a second sealing surface which is the second Surrounds the junction and is complementary to the first junction, is sealed against the first sealing surface. At least one of the the two opposing sealing surfaces are advantageous by one Ring formed which is axially displaceable against a spring element. At this Design will ensure proper sealing even if more than one junction must be sealed. So the first one Connection plate on the support and the second connection plate on the mold for Example at least one junction for a coolant flow and have a cooling medium return.
  • a mold for the above-described continuous casting device advantageously has a projection in which the second connection plate is integrated.
  • suitable support can then two parallel support arms for the mold have, the first connection plate, the two support arms in such a way connects that a fork-shaped support for the mold is formed.
  • the superimposed first and second sealing surfaces are preferred essentially horizontal, so that the weight of the mold and the Traction on the strand to generate a contact pressure between the Sealing surfaces contribute.
  • the continuous casting mold is advantageously with its upper end on the pivotable support, being at the lower end of the continuous casting mold Guide means are arranged by means of which the lower end of the Continuous casting mold is guided in the supporting structure.
  • These management tools can for example include a guide ring or a linkage.
  • the second can be used to achieve a particularly compact design Swivel axis are formed by swivel joints between the first Swivel axis and the point of engagement of the drive on the rocker arm are arranged.
  • these pivots can also be at one end of the Rocker arm to be arranged.
  • Connections for the cooling medium integrated in the swiveling support can by means of compensators with fixed connections of an external Cooling circuit can be connected.
  • a particularly long lifespan for this Compensators are achieved if they are installed in such a way that their Central axis is essentially parallel to the direction of stroke, which at a Device according to the invention is particularly easy to accomplish.
  • Connections for the cooling medium integrated in the swiveling support can also be connected to an external channel via the rocker arm Cooling circuit can be connected.
  • these channels can each via a first swivel joint that is coaxial with the first pivot axis is arranged, with a fixed connecting piece on the support structure, and via a second swivel connection, which is coaxial to the second pivot axis is arranged to be connected to the connections in the support.
  • the drive of the Rocker arm advantageously comprises a hydraulic cylinder, which is with a End on the support structure and the other end on the rocker arm supports.
  • the figures all relate to a continuous casting device according to the invention, such as those used for the continuous casting of steel strands can.
  • FIGS. 1 to 3 A first embodiment of such a device is shown in FIGS. 1 to 3 shown schematically and designated by the reference number 10.
  • she consists essentially of a compact vibrating device 12 in the a continuous casting mold 14 (hatched) is attached.
  • this continuous casting device is shown in the operational state that is, the continuous casting mold 14 is inserted into the oscillating device 12, or mounted.
  • the main components of the device 10 are against it individually, shown before assembling.
  • the oscillating device comprises a support structure 16 with a base 18 and a structure 19, the structure 19 having two at its upper end symmetrically arranged support arms 20, 22 forms (see in particular Figure 3).
  • a two-arm swing arm 24 is in the support arms 20, 22 pivotally mounted about a horizontal axis 25. Recognizes in Figure 3 one the two lever arms 26, 28, each at one end over a Rotary bearing 30, 32 with one of the two support arms 20, 22 mechanically are connected.
  • the rocker arm 24 is with connected to a drive 34 which pivots the rocker arm 24 generated about the pivot axis 25.
  • the drive 34 is advantageous as Hydraulic cylinder formed between the base 18 and one Cross connection 36 of the two lever arms 26, 28 is mounted.
  • the pivotable includes Support 38 a collector ring 41 in which the mold 14 is inserted in a sealed manner becomes.
  • the connecting piece 44 for a cooling medium supply line 46 and a connecting piece 48 (see Figure 3) for a coolant return line 50 has.
  • Axial compensators 52 connect to the Support 38 pivotable connecting piece 44, or 48, with the fixed Coolant feed line 46, or coolant return line 50.
  • the central axis of the compensators 52 is substantially parallel to pivot the mold 14 so that it is substantially axial Have to absorb movements.
  • the reference number 54 is a guide ring on the support structure 16, into which the lower end of the mold 14 is used (see Figure 1). This guide ring 54 sets when swinging the orientation of the mold 14 carried by the pivotable support 38 and also absorbs the horizontal forces that are exerted on the Continuous casting mold 14 act.
  • the reference number 56 is in Figures 1 and 2 denotes electromagnetic stirrer 56, which is supported by the supporting structure 16 is worn and surrounds the mold in a ring.
  • the structure of the mold 14 is described in more detail with reference to FIG. 2, in which is shown disassembled. It essentially consists of a pouring tube 58, which forms the actual pouring channel 60, and one Cooling box 62 which, when the mold 14 is installed, has the pouring tube 58 on it entire length surrounds.
  • the cooler 62 essentially comprises one Outer jacket 64 and an inner guide jacket 66, which in the assembled Mold 14 is arranged between the outer jacket 64 and the pouring tube 58.
  • the outer jacket 64 On at its lower end, the outer jacket 64 has a base plate 68 with a Opening 70 for sealingly fitting the lower end of the pour tube 58 on (see also Figure 1).
  • the outer jacket 64 has at its upper end a sealing flange 72, which is sealed to a lower sealing ring 74 of the Collector rings 41 can be placed (see Figure 1).
  • the guide jacket 66 is by means of Webs attached to the outer jacket 64.
  • Above the sealing flange 72 the guide jacket 66 has an annular sealing rib 78, which in an opening 80 in an intermediate plate 82 of the ring collector 40 can be fitted in a sealed manner (see Figure 1).
  • a sealing flange 84 is sealed at the upper end of the pouring tube 58 attached. The latter is sealed to an upper sealing surface 86 of the Ring collector 40 can be placed (see Figure 1).
  • the cooling circuit of the mold 14 is now closer to the figure 1 described.
  • the cooling medium usually cooling water, flows out of the Flow line 46 via the flow connector 44 into a lower one Flow chamber 88 in the junction box 43 of the ring collector 40.
  • This Flow chamber 88 surrounds a lateral annular gap 90 between the lower sealing flange 74 and the sealing rib 78 of the mold 14 is formed.
  • the cooling medium emerges from the flow chamber 88 of the annular gap 90 Support 38 in the mold 14. Here it is in through an annular channel 92, between outer jacket 64 and guide jacket 66, to the lower end of mold 14 passed where there is a gap between the guide jacket 66 and bottom plate 68 in an annular channel 94 passes between the guide jacket 66 and the pouring tube 58.
  • the cooling medium flows through the annular channel 94 to the upper end of the mold 14 back and cools the pouring tube 58.
  • the cooling medium flows through a lateral annular gap 96, between the sealing rib 78 and the upper sealing flange 84 of the mold 14, from the mold 14 into one Return chamber 98, which surrounds the annular gap 96 and in the Junction box 43 extends.
  • the return pipe 50 which in the The reflux chamber 98 opens out, the cooling medium flows finally back into the return line 50.
  • the continuous casting device 110 also consists of a compact vibrating device 112 and a continuous casting mold 114 (see Figure 5, in which the main parts of the vibrating device are shown separately), which is inserted into the vibrating device 112 (see FIG. 4, in which the Vibration device is shown in the operational state).
  • the vibrating device 112 comprises a support structure 116 with a base 118. On the base 118 protrudes a pair of support arms 120, 122 arranged symmetrically to the mold 114 (see in particular Figures 6 and 7).
  • a two-armed one Rocker arm 124 is in the support arms 120, 122 about a horizontal axis 125 swivel mounted.
  • FIG. 7 shows the two lever arms 126, 128, each in the middle via a pivot bearing 130, 132 with one of the two Support arms 120, 122 are mechanically connected.
  • the Rocker arm 124 connected to a drive 134 which pivots of the rocker arm 124 about the pivot axis 125 generated.
  • the drive 134 is advantageously designed as a hydraulic cylinder between the base 118 and a cross connection 136 of the two lever arms 126, 128 mounted is.
  • a support 138 for the mold 114 pivotally mounted about a horizontal axis 139 (see Figure 7).
  • the support comprises a connecting plate 141 and two lateral ones Support arms 143, 145, wherein - as can be seen from Figure 7 - a fork-shaped Support for the mold 114 is formed.
  • the pivot axis 139 is essentially parallel to the pivot axis 125, is by two rotary bearings 140, 142 formed, each with one of the two support arms 143, 145 connect one of the two lever arms 126, 128.
  • two openings 145, 147 are arranged for a cooling medium (see FIG. 7).
  • the first opening 145 opens out via a one described below Sealing device 149, in a connecting piece 144 for a coolant feed line 146.
  • the second opening 147 opens out via a similar one Sealing device 149, in a connecting piece 148 (see Figure 6) for a Coolant return line 150.
  • a guide ring 154 on the support structure 116 corresponds to the guide ring 54 described above.
  • the reference number 156 shows an electromagnetic stirrer.
  • the mold 114 also consists essentially of a pouring tube 158 and a cooling box 162.
  • the cooling box 162 with its outer jacket 164 and its guide jacket 166, differs from the above-described cooler 62 essentially by a Junction box 167 at its upper end.
  • the remaining cool box 162 is however, identical in construction to the cooling box 62
  • the pouring tube 158 used is also identical to the pouring tube 58 Device 10.
  • One attached to the top of the spout 158 Sealing flange 184 is sealed in device 110 to an upper one Sealing surface 186 placed on the junction box 167 of the cooling box 162 (see Figure 4).
  • connection box 167 has a lateral projection 187, which down through a connecting plate 189, with two openings 191, 193 for one Coolant is closed.
  • these openings 191, 193 are in the Connection plate 189 aligned over the openings 145, 147 in the connection plate 141 of the support 138, with complementary sealing surfaces, which each surround the individual openings 145, 147, 191, 193, sealed against each other.
  • the sealing surfaces which the openings 145, 147 in the connection plate 141 of the support 138 are advantageously surrounded by the already mentioned sealing devices 149 formed.
  • the latter are based on the Figure 8 described in more detail. They each include a ring 200 that is axially displaceable is inserted into a sleeve 202, with a sealing ring 204 the ring 200 seals relative to the sleeve 202.
  • the socket is 202 on the Connection plate 141 attached, and the connection piece 144 (or 148) sealed to socket 202.
  • the socket 202 is one Arranged spring 206 which presses the ring 200 towards the connecting plate 141, wherein a shoulder surface 208 on ring 200 is an end position of the ring sets at which the front end of the ring 200 with a sealing surface 210 protrudes the connecting plate 141.
  • the connecting plate 189 of the mold 114 comes first with the Sealing surfaces 210 of the two sealing devices 149 in contact.
  • the rings 200 are pressed against the springs 206 in their bushings 202 until the connection plate 189 rests on its seat on the connection plate 141.
  • the springs 206 biased in this way thus ensure an initial one Contact pressure of the sealing surfaces 210 on the opposite sealing surfaces the connecting plate 189. If the cooling system is put into operation, so the pressurized cooling medium flows through the socket 202. It generates an additional hydrostatic contact pressure in which it rear end face 212 of the ring 200 pressurized.
  • the cooling circuit of the mold 114 is similar to that in FIG. 4 1, indicated with arrows. It should be noted that the cooling circuit of the mold 114 suspended in the oscillating device 112, essentially identical to the cooling circuit of those suspended in the oscillating device 12 Chill mold 14 in FIG. 1.
  • the mold 114 is on the side can be inserted into the vibrating device 112.
  • Centering means such as For example, centering pin 220 and centering holes 222 enable one simple centering of the mold on support 138.
  • the rocker arm 124 could also be like the rocker arm 24, i.e. With end pivot axis, are formed, which is a more compact Design of the device 110 would allow.
  • end drive a lateral insertion the mold 114 difficult in the vibrating device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Moulding By Coating Moulds (AREA)
  • Casting Devices For Molds (AREA)
EP98930741A 1997-05-30 1998-05-28 Stranggiessvorrichtung Expired - Lifetime EP0984836B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
LU90071 1997-05-30
LU90071A LU90071B1 (de) 1997-05-30 1997-05-30 Stranggiessvorrichtung
PCT/EP1998/003134 WO1998053935A1 (de) 1997-05-30 1998-05-28 Stranggiessvorrichtung

Publications (2)

Publication Number Publication Date
EP0984836A1 EP0984836A1 (de) 2000-03-15
EP0984836B1 true EP0984836B1 (de) 2001-10-04

Family

ID=19731689

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98930741A Expired - Lifetime EP0984836B1 (de) 1997-05-30 1998-05-28 Stranggiessvorrichtung

Country Status (14)

Country Link
US (1) US6298905B1 (ja)
EP (1) EP0984836B1 (ja)
JP (1) JP2002500565A (ja)
KR (1) KR20010013196A (ja)
CN (1) CN1072048C (ja)
AT (1) ATE206334T1 (ja)
AU (1) AU8106998A (ja)
BR (1) BR9809887A (ja)
DE (1) DE59801647D1 (ja)
ES (1) ES2161540T3 (ja)
LU (1) LU90071B1 (ja)
PL (1) PL337041A1 (ja)
UA (1) UA44880C2 (ja)
WO (1) WO1998053935A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1832361A1 (de) 2006-03-09 2007-09-12 Badische Stahl Engineering Gmbh Stranggiesskokille

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19859040A1 (de) * 1998-12-21 2000-06-29 Km Europa Metal Ag Kokillenrohr und Verfahren zum Rekalibrieren eines Kokillenrohrs
LU90666B1 (en) * 2000-10-31 2002-05-02 Wurth Paul Sa Continous casting mould with oscillation device
DE10062440A1 (de) * 2000-12-14 2002-06-20 Sms Demag Ag Vorrichtung zum Stranggießen von Metallen, insbesondere von Stahl
ITPN20010011A1 (it) * 2001-02-15 2002-08-16 Sms Demag Aktiengesellshaft Impianto perfezionato di colata continua e laminazione a caldo per laproduzione in parallelo simultanea di barre o fili.
GB0403411D0 (en) * 2003-11-25 2004-03-24 Unilever Plc Process to prepare a shaped solid detergent
LU91086B1 (en) * 2004-06-25 2005-12-27 Sms Demag Ag Continous casting mould wit oscillation device.
ITMI20060333A1 (it) 2006-02-24 2007-08-25 Danieli Off Mecc Banco oscillante
ITMI20060335A1 (it) * 2006-02-24 2007-08-25 Danieli Off Mecc Dispositivo porta-cristallizzatore
US9067260B2 (en) 2006-09-06 2015-06-30 Arcelormittal France Steel plate for producing light structures and method for producing said plate
WO2009073005A1 (en) * 2007-12-04 2009-06-11 Loma Machine, A Division Of Magnum Integrated Technologies Inc. Waterbox for use with a continuous casting assembly for vertically casting metal slabs
WO2009090443A1 (en) * 2008-01-15 2009-07-23 Arcelormittal France Process for manufacturing stamped products, and stamped products prepared from the same
ITMI20112292A1 (it) * 2011-12-16 2013-06-17 Arvedi Steel Engineering S P A Dispositivo di supporto ed oscillazione per lingottiera in impianti di colata continua
CN114932205B (zh) * 2022-06-02 2024-04-05 福建圣力智能工业科技股份有限公司 一种连铸机用结晶器润滑装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU88389A1 (fr) 1993-07-30 1995-02-01 Wurth Paul Sa Lingotière de coulée continue
LU88393A1 (fr) * 1993-08-20 1995-03-01 Wurth Paul Sa Lingotière de coulée continue
AT404442B (de) * 1994-12-21 1998-11-25 Voest Alpine Ind Anlagen Stranggiesskokille
LU88702A1 (de) * 1996-01-18 1997-07-18 Wurth Paul Sa Schwingvorrichtung fuer Stranggiesskokille

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1832361A1 (de) 2006-03-09 2007-09-12 Badische Stahl Engineering Gmbh Stranggiesskokille
DE102006010984A1 (de) * 2006-03-09 2007-09-13 Badische Stahl-Engineering Gmbh Stranggusskokille
DE102006010984B4 (de) * 2006-03-09 2009-08-20 Badische Stahl-Engineering Gmbh Stranggießkokille

Also Published As

Publication number Publication date
AU8106998A (en) 1998-12-30
ES2161540T3 (es) 2001-12-01
WO1998053935A1 (de) 1998-12-03
BR9809887A (pt) 2000-06-27
US6298905B1 (en) 2001-10-09
JP2002500565A (ja) 2002-01-08
UA44880C2 (uk) 2002-03-15
KR20010013196A (ko) 2001-02-26
PL337041A1 (en) 2000-07-31
CN1072048C (zh) 2001-10-03
EP0984836A1 (de) 2000-03-15
CN1258238A (zh) 2000-06-28
DE59801647D1 (de) 2001-11-08
ATE206334T1 (de) 2001-10-15
LU90071B1 (de) 1998-12-01

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