EP1525930B1 - Dispositif de démarrage dans une installation de coulée continue - Google Patents

Dispositif de démarrage dans une installation de coulée continue Download PDF

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Publication number
EP1525930B1
EP1525930B1 EP04090393A EP04090393A EP1525930B1 EP 1525930 B1 EP1525930 B1 EP 1525930B1 EP 04090393 A EP04090393 A EP 04090393A EP 04090393 A EP04090393 A EP 04090393A EP 1525930 B1 EP1525930 B1 EP 1525930B1
Authority
EP
European Patent Office
Prior art keywords
starting device
starting
head member
coupling element
hook
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
EP04090393A
Other languages
German (de)
English (en)
Other versions
EP1525930A1 (fr
Inventor
Norbert Behre
Uwe Bovenschen
Rainer Lenk
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.)
Salzgitter Mannesmann GmbH
Original Assignee
Salzgitter Mannesmann GmbH
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
Priority claimed from DE102004046333A external-priority patent/DE102004046333B4/de
Application filed by Salzgitter Mannesmann GmbH filed Critical Salzgitter Mannesmann GmbH
Publication of EP1525930A1 publication Critical patent/EP1525930A1/fr
Application granted granted Critical
Publication of EP1525930B1 publication Critical patent/EP1525930B1/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
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/08—Accessories for starting the casting procedure
    • B22D11/081—Starter bars
    • B22D11/083—Starter bar head; Means for connecting or detaching starter bars and ingots

Definitions

  • the invention relates to a starting device for a continuous casting plant, in particular for round casting, according to claim 1.
  • Starting devices for introduction into the continuous casting mold generally consist of a casting element and a head element of a cold strand which can be connected to the casting element via a coupling element.
  • From the DE 15 83 605 A is a starting device for continuous casting known with the features of the preamble of claim 1, wherein the coupling takes place via a releasable hook connection, which has a pivoting hook.
  • the head member has a smaller cross-section with respect to the mold in order to be able to easily pull the cold strand with the head member out of the mold after casting.
  • the existing gap between the head member and the mold is sealed with the interposition of a resting on the head member and the mold cross-section filling sealing element. This sealing is necessary to prevent passage of the liquid metal to the head member and thus a merger with this.
  • the mold is intensively cooled to improve the heat dissipation.
  • the potted strand is firmly connected after cooling with the starting device, so that can be supplied via the connected to the starting device cold strand of the new hot strand of a driving and straightening system.
  • the casting element consists inter alia of a pipe section, which forms a circumferential gap with respect to the inner wall of the continuous casting mold. Between Ang manufactoring and head member, a mold wall contacting the sealing element is arranged, which seals the gap existing between the head member and mold wall.
  • connection of the coupling element with the pipe section is realized via a transverse pin inserted through the coupling element and the pipe section, which thus forms a further part of the Ang manoeuvres.
  • connection of the coupling element with the head member of the cold strand is also done via a cross member connecting both elements.
  • the molten metal When casting a new strand, the molten metal enters the pipe section and the gap to Kokillenwand, whereby after cooling the melt, a frictional connection with the existing of pipe section and cross bolt sprue and the melt coming into contact with the upper part of the coupling element is achieved ,
  • this starting device has several disadvantages.
  • the construction consisting of a multi-part Ang manufactorelement and a coupling element consuming in manufacturing and assembly, and the variety of parts incur additional costs for the purchase and storage.
  • this starting device has the disadvantage that the assembly and disassembly of the connecting bolt between the coupling element and the head part of the cold strand is very time consuming.
  • Another disadvantage is that the bolt is clamped after exiting the continuous casting by deformation due to operational stress or due to different thermal expansion in the coupling pin so that it can not be solved.
  • the head member of the cold strand is connected to the coupling element by hooking.
  • the hanging is done via T-slots in the head member, with corresponding T-shaped counterparts engage positively on the coupling element.
  • This device has the disadvantage that the production of the T-shaped connecting elements is very complicated to produce and especially for Rundstranggelloanlagen is uneconomical and impractical.
  • the object of the invention is to provide a starting device, in particular for Rundstranggelloanlagen, which is inexpensive to produce, easy to assemble and disassemble and without the disadvantages of known devices described.
  • a starting device in which executed as integral features of Ang manufactorelement and the coupling element in one piece and the connection between the coupling element and the head member of the cold strand is designed as easily detachable and re-hook hook connection.
  • the advantage of this starting device is that the one-piece design of the sprue and coupling element significantly reduces the manufacturing, assembly and storage costs and thus the costs for continuous casting.
  • the sprue element consists of a web-shaped section whose kokkilde-side end portion is hook-shaped.
  • the head member-side end portion of the web is formed as a coupling element.
  • the molten metal filled into the cooled mold encloses the web portion with the hook-shaped end region, wherein the metal undergoes intensive cooling by the cooled inner wall of the continuous casting mold.
  • the shaped as a hook end portion of the web can be formed in an advantageous manner as a double or even quadruple hooks. Conceivable, however, are other modifications of this hook shape, as far as they are a ver better connection of the casting strand to the Ang manelement useful.
  • the sealing element between the mold wall and the head section of the cold strand which is provided with a smaller diameter, consists, according to an advantageous embodiment, of the actual sealing disc substantially filling the mold cross-section and of a metal plate which can be connected to the coupling element.
  • the purpose of the metal plate is to remove the heat from the liquid metal in the area close to the head part and to lead to rapid solidification of the melt, the sealing disk made of flexible material, preferably of cardboard, taking over the sealing function between mold wall and head element.
  • the metal plate is advantageous, temporally independently pre-assembled arranged on the coupling element.
  • cooling scrap parts are arranged on the side of the sealing element or the metal plate facing the sprue element, which remove heat of fusion from the liquid metal and thereby cause additional cooling.
  • connection between the head member of the cold strand and the coupling element of the sprue now can be made very quickly and solved just as quickly by the simple hook connection without additional connecting element. This saves assembly and disassembly time and the associated costs.
  • the head member of the cold strand at the connection end is formed as a hook, wherein the connection-side end of the coupling element has a suitable for hooking with the head member end formation.
  • This may for example also be a hook or a holding element which can be encompassed by the hook of the head member.
  • the sprue device is formed as a hook at the connection end and the connection-side end of the head member has a suitable for hooking with the coupling element end formation.
  • the connecting region is laid in the connection-side end region of the head member, which ensures that the hook connection is arranged protected, for example, against metal splashes during the casting process as far as possible.
  • connection-side end region of the head member is provided on the end side with a recess extending over the entire diameter.
  • the front end of the recess has on both sides a hook forming a shoulder and the end region of the coupling element to be connected to a suitable for hooking into the recess end.
  • This can be, for example, a bolt-like thickening.
  • the end region of the sprue device connected to the shoulder forming the hook is located in the region of the recess of the head member and is thus well protected from environmental influences. Under load is then the bolt-like thickening of the coupling element on the front side of the paragraph.
  • the paragraph is formed according to an advantageous feature as a separate connectable with the recess part. This connection can be made by welding or screwing.
  • the paragraph can be easily z. B. made of sheet material by means of flame cutting.
  • FIG. 1 shows a starting device according to the invention for a Rundstrangg manstrom, which is already assembled, arranged in a mold.
  • the starting device 1 consists of an inventively one-piece design of a Ang manigas 3 and a coupling element 2, which are connected to a web 14 together.
  • the kokillen workede end portion 15 of the sprue element 3 is hook-shaped.
  • the coupling element 2 is detachably connected to the head member 9 of a cold strands, not shown, via a hook connection.
  • the sealing element 4 consists of a front side resting on the head member 8 and made of cardboard sealing washer 6, which seals the annular gap and arranged thereon and compared to the mold cross section in diameter slightly smaller metal plate 5.
  • the metal plate 5 is before the coupling of the starting device. 1 already preassembled on the head member 9 of the cold strand on the coupling element 2.
  • the end region 15 of the Ang manoeuvres 3 is formed in this illustration according to the invention as a quadruple hook.
  • the sprue element 3 with the hook-shaped end region 15 together with the coupling element 2 is first produced as a flame-cut part from a flat plate to which two further hooks are welded at right angles to the two already existing hooks.
  • cooling scrap parts 8 are piled below the quadruple hook on the metal plate.
  • FIG. 2 has the front end of the recess 11, on both sides of the recess 11 decreasing, a hook forming a shoulder 13, 13 'on.
  • the bolt-like thickened end portion 15 of the coupling element 2 comes after hooking the front side of the shoulder 13, 13 'of the recess 11 to the plant.
  • the hot strand not shown here with the starting device 1 and the head member 9 of the cold strand itself align, so that the hook connection can not solve in the continuous casting itself. Only in the outlet area, when the strand is only performed on sub-rollers, the head member 9 can be unhooked from the coupling element 2 in a simple manner and prepared again for a new use.
  • the shoulder 13, 13 ' is chamfered on the hooking side.
  • the shoulder 13, 13 'of the recess 11 is produced according to the invention in an advantageous manner as a separate part and welded on both sides at the front end of the recess 11.
  • FIG. 3 illustrated supervision of the starting device according to FIG. 1 from the direction of the arrow "A", shows a cross section through the mold 7 with the Ang manelement arranged therein 3.
  • Ang manelements 3 As a quadruple hook with the upper of the cross section of the metal plate 5 arranged KGhischrottieri.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Continuous Casting (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Casting Devices For Molds (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)

Claims (13)

  1. Dispositif de démarrage pour une installation de coulée continue, en particulier pour barres rondes, pour l'introduction dans la coquille de coulée continue, composé d'un élément d'alimentation (3) et d'un élément de tête (9) d'un mannequin relié de manière amovible à l'élément d'alimentation (3) par l'intermédiaire d'un élément d'accouplement (2),
    - la barre étant reliée fixement à l'élément d'alimentation (3) après le refroidissement en intercalant un élément d'étanchéité (4) reposant sur l'élément de tête (9), remplissant la section transversale de coquille et séparant l'élément de tête (9) du métal en fusion lors de la coulée,
    - l'élément d'alimentation (3) et l'élément d'accouplement (2) étant réalisés d'un seul tenant,
    - la liaison entre l'élément de tête (9) et l'élément d'accouplement (2) étant une liaison par crochet facile à défaire,
    caractérisé en ce que l'élément d'étanchéité (4) est composé d'une plaque métallique (5) remplissant pour l'essentiel la section transversale de coquille et orientée vers l'élément d'alimentation (3) et d'une rondelle d'étanchéité (6) en matériau flexible, dont le diamètre est légèrement supérieur au diamètre de coquille.
  2. Dispositif de démarrage selon la revendication 1,
    caractérisé en ce que l'élément d'alimentation (3) est une barrette (14) s'étendant de l'élément d'étanchéité (4) vers le côté coquille, dont la zone d'extrémité (15) est réalisée en forme de crochet.
  3. Dispositif de démarrage selon la revendication 2,
    caractérisé en ce que la zone d'extrémité (15) de la barrette (14) est réalisée en double crochet.
  4. Dispositif de démarrage selon la rev-endication 2,
    caractérisé en ce que la zone d'extrémité (15) de la barrette (14) est réalisée en quadruple crochet.
  5. Dispositif de démarrage selon l'une des revendications 1 à 4,
    caractérisé en ce que la plaque métallique (5) peut être reliée à l'élément d'accouplement (2) pour le pré-montage.
  6. Dispositif de démarrage selon la revendication 1,
    caractérisé en ce que la rondelle d'étanchéité (6) est en carton.
  7. Dispositif de démarrage selon l'une des revendications 1 à 6,
    caractérisé en ce que, dans l'état monté, des particules de ferraille de refroidissement peuvent être agencées sur la plaque métallique (5).
  8. Dispositif de démarrage selon l'une des revendications 1 à 7,
    caractérisé en ce que la zone d'extrémité de l'élément de tête (9) côté liaison forme côté frontal un évidement (11) s'étendant au moins transversalement jusqu'au-delà de la ligne médiane, en ce que l'extrémité frontale de l'évidement (11) forme des deux côtés un talon (13, 13') formant un crochet et en ce que la zone d'extrémité à relier de la barrette (14) est conformée en élément d'accouplement (2), lequel présente une zone d'extrémité appropriée pour l'accrochage dans l'évidement (11), la zone d'extrémité de l'élément d'accouplement (2) accrochée du côté frontal au talon (13, 13') étant entièrement située dans la zone de l'évidement (11) dans l'état de montage final.
  9. Dispositif de démarrage selon la revendication 8,
    caractérisé en ce que la zone d'extrémité de l'élément d'accouplement (2) présente un épaississement (10) en forme de boulon.
  10. Dispositif de démarrage selon les revendications 8 et 9,
    caractérisé en ce que le talon (13, 13') est un élément pouvant être relié séparément à l'évidement (11).
  11. Dispositif de démarrage selon la revendication 10,
    caractérisé en ce que le talon (13, 13') est soudé à l'évidement (11).
  12. Dispositif de démarrage selon la revendication 10,
    caractérisé en ce que le talon (13, 1-3') est vissé à l'évidement (11).
  13. Dispositif de démarrage selon l'une des revendications 8 à 12,
    caractérisé en ce que le talon (13, 13') est pourva-d'un chanfrein (12) à l'extrémité côté accrochage.
EP04090393A 2003-10-21 2004-10-13 Dispositif de démarrage dans une installation de coulée continue Expired - Lifetime EP1525930B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE10349685 2003-10-21
DE10349685 2003-10-21
DE10349683 2003-10-21
DE10349683 2003-10-21
DE102004046333 2004-09-20
DE102004046333A DE102004046333B4 (de) 2003-10-21 2004-09-20 Anfahrvorrichtung für eine Stranggießanlage

Publications (2)

Publication Number Publication Date
EP1525930A1 EP1525930A1 (fr) 2005-04-27
EP1525930B1 true EP1525930B1 (fr) 2008-02-13

Family

ID=34396729

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04090393A Expired - Lifetime EP1525930B1 (fr) 2003-10-21 2004-10-13 Dispositif de démarrage dans une installation de coulée continue

Country Status (3)

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EP (1) EP1525930B1 (fr)
AT (1) ATE385866T1 (fr)
DE (1) DE502004006173D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114082905B (zh) * 2021-11-24 2023-03-24 广东韶钢松山股份有限公司 一种小方坯引锭头连接组合件及其装配方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1583605A1 (de) * 1967-08-14 1970-10-29 Demag Ag Anfahrstrang fuer Metallstranggiessanlagen
FR1586893A (fr) * 1968-07-17 1970-03-06
SE7612774L (sv) * 1975-12-12 1977-06-13 Voest Ag Startstrenghuvud for strenggjutningsanleggningar
US4724893A (en) * 1985-04-26 1988-02-16 Rokop Corporation Continuous casting starting bar head

Also Published As

Publication number Publication date
ATE385866T1 (de) 2008-03-15
DE502004006173D1 (de) 2008-03-27
EP1525930A1 (fr) 2005-04-27

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