EP2014393B1 - Mould for strand casting of blooms, cogged blooms or billets - Google Patents
Mould for strand casting of blooms, cogged blooms or billets Download PDFInfo
- Publication number
- EP2014393B1 EP2014393B1 EP07025252A EP07025252A EP2014393B1 EP 2014393 B1 EP2014393 B1 EP 2014393B1 EP 07025252 A EP07025252 A EP 07025252A EP 07025252 A EP07025252 A EP 07025252A EP 2014393 B1 EP2014393 B1 EP 2014393B1
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- EP
- European Patent Office
- Prior art keywords
- mould
- tube
- mold
- plate
- nose
- Prior art date
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- 238000009749 continuous casting Methods 0.000 title claims description 7
- 238000001816 cooling Methods 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 210000001331 nose Anatomy 0.000 claims 7
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 238000005266 casting Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B22D11/04—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 mold for the continuous casting of billets, slabs or billets according to the preamble of claim 1.
- Continuous casting molds are known to be subject to significant thermal stresses during operation due to the solidified in Kokillenhohlraum liquid metal. The latter consequently cause thermal expansions of the mold walls and thus lead to deformations of the precisely produced mold cavity. Particularly undesirable are deformations transverse to the casting direction, because they change the important for the solidification Kokillenkonizmaschine. It is therefore necessary to take special measures to stabilize the mold walls in their position.
- EP-A-1 468 760 is known to arrange the mold cavity forming mold tube made of copper a support jacket on which the mold tube is supported on extending in its longitudinal direction and distributed over the circumference support profiles.
- the mold tube is positively connected to the support jacket via longitudinally extending connection profiles, wherein between the mold tube and the support jacket cooling channels are arranged for guiding cooling water, which are limited by the support profiles and / or the connection profiles.
- the connection profiles are formed, for example, as dovetail or T-profiles, which engage in corresponding grooves of the support jacket. Inserted into the grooves they are in the longitudinal direction of the mold. This assembly is not always easy because it causes friction between the mold walls and provided the support shell sealing elements.
- the mold tube walls are each not only held in the direction perpendicular to the casting axis, but also prevented from thermal expansion in the wall or support plane, transverse to the casting axis. The latter can lead to tensions and permanent deformations and fatigue cracks of the mold tube.
- EP-A-1 025 929 is a mold plate of a mold of copper provided with milled cooling channels.
- the webs between the Ktihlkanälen represent support profiles relative to the adapter plate, which limit cooling channels for guiding cooling water.
- C-shaped mounting rails are screwed onto the mold plate by means of fastening screws on widened webs between the cooling channels.
- the cooling can not be uniform, especially since the C-krnügen mounting rails are screwed on widened webs between cooling channels of the copper plate with mounting screws.
- the present invention has for its object to provide a mold of the type mentioned above, which has a high dimensional stability in the casting operation, and in which nevertheless caused by thermal expansion of the mold walls deformations can be largely avoided.
- connection profiles are in each case designed as two profiled strips protruding inwards from the outer circumference of the mold tube and projecting inwardly from the inner circumference of the support casing, which interlock in such a way that a clearance is present in the circumferential direction of the mold.
- a mold 1 for continuous casting of rectangular cross-section blooms, slabs or billets which has a mold tube 2 made of copper, which forms a mold cavity 3, and a surrounding the mold tube 2 support jacket 4.
- the support shell 4 is composed of four support plates 5, 5 ', which are connected to each other by means of screws 6.
- cooling channels 10 are provided for guiding cooling water, which form part of a water circulation cooling for the copper pipe, form ferrohr, and which are distributed over the entire circumference and substantially over the entire length of the mold tube 2 (see, in particular Fig. 2 and 4 ).
- the support plates 5, 5 ' are provided in the upper and in the lower region with connected to the cooling channels 10 inlets and outlets 11, 12 for the cooling water.
- the cooling channels 10 are embedded in the outer peripheral surface of the mold tube 2, for example milled.
- the mold tube 2 is supported, on the one hand, by supporting profiles 15 extending in the longitudinal direction L and distributed over the circumference on the support jacket 4 or on the support plates 5, 5 ', and on the other hand is in contact with these support plates 5, 5' via connecting profiles 20 extending in the longitudinal direction in a detachable, positive connection.
- the cooling channels 10 are bounded laterally by the support profiles 15 and / or the connection profiles 20.
- connection profiles 20 are designed in each case as two profiled strips 21, 22 protruding inwardly from the outer circumference of the mold tube 2 and projecting inwards from the inner circumference of the support jacket 4. They are distributed over the respective Kokillenseite, wherein their number per page depends on the mold size.
- the cross-sectionally rectangular mold 1 are for example according to Fig. 2 the wider support plates 5, each with four and the narrower support plates 5 ', each equipped with two connecting profiles 20.
- the profiled strips 21, 22 are preferably nose-shaped in cross-section (as described below with reference to FIG Fig. 8a, 8b and 9a, 9b will be described) and interlock such that in the circumferential direction of the mold 1 a game is present.
- the mold walls are in the on the held the support plates 5, 5 'adjacent position in the direction perpendicular to the casting axis, but it is possible due to thermal expansion mutual displacement along the mold wall possible, especially in Kokillenlnaturescardi L, but also in the context of the proposed game across it, in the circumferential direction of mold.
- the mold tube 2 is held in its corner regions with a corresponding clearance relative to the support jacket 4.
- Each of the support plates 5, 5 ' is advantageously equipped in its peripheral region with a cooling zone sealing the sealing ring 23, 23', in a Fig. 5 showing the support plate 5, shown channel 24 is inserted.
- smaller mold 1 'square cross-section is only one of two interlocking profile strips existing connection profile 20' per mold side (and a plurality of support profiles 15 ') are present.
- the connecting profiles 20 'connecting the mold tube 2' to the support jacket 4 ' are each arranged in the middle region of the respective mold wall.
- FIGS. 6 and 7a . 7b, 7c If the respective support plate 5 "during assembly must be moved laterally relative to the Kokillenrohrwand until the engagement of the profile strips 21", 22 ".Also in the presence of sealing rings, the assembly is much easier than in the case of EP-B1-1 468 760 known molds, the lateral displacement in the novel mold is not to be compared in size with the longitudinal displacement during assembly according to the EP-B1-1 468 760 , In addition, the respective support plate 5 "can be set slightly inclined until it engages, thereby avoiding the friction on the sealing ring.
- FIG. 8a, 8b and 9a, 9b Particularly advantageous cross-sectional shapes of the profile strips 21, 22 are made Fig. 8a, 8b and 9a, 9b seen.
- the cross-sectional nose-shaped profiled strips 21, 22 project by an amount a from a base surface 27 or 28 of the mold tube 2 and the support plate 5, respectively.
- the profile strip 21 of the Ko-21 of the mold tube 2 has a support surface 29, with which it rests in the assembled state on the base surface 28 of the support plate 5 and vice versa, the support plate 5 comes with a support surface 30 on the base 27 of the mold tube 2 to the plant.
- the profiled strips 21, 22 each have a directed in the circumferential direction of the mold, rounded nose 31 and 32 with a radius r 1 , which is engaged by a likewise rounded, the nose in the circumferential direction opposite recess 33 and 34 with a radius r 2 ,
- the Radis r 2 of the recesses 33, 34 is slightly larger than the radius r 1 of the two lugs 31, 32.
- the nose engages the one in the recess of the other profile strip, with a lateral clearance of, for example, ⁇ 0.1 mm, which results from the difference between the two radii r 1 , r 2 , so that in the context of this game, a thermal expansion caused by mutual displacement along the mold wall in the circumferential direction of the mold can take place.
- the mold size is crucial. For larger molds, a larger game must be guaranteed.
- a possible cross-sectional shape of the nose-shaped profiled strips 21, 22 for larger molds is in Fig. 9a, 9b shown, where the nose 31 'and 32' of a profile strip 21 and 22, respectively in the recess 34 'and 33' of the other profile strip 22 and 21 with a larger game in the circumferential direction Richrich can intervene.
- mold tube 2 or 2 'or 2 " it is also possible and quite usual to assemble the mold cavity forming the mold cavity as a plate mold with individual copper plates or otherwise shaped mold tube walls associated with a plurality of support plates which form the support shell around the plate mold around.
- Fig. 10 shows as an example a mold plate 42 a plate mold for continuous casting of thin slabs.
- the long sides of such molds are 1 to 2 m and the narrow sides only 50 to 10 mm wide.
- the long-side mold plates 42 are provided in the upper region with a bulge 50 for the dip tube, ie the mold tube wall is not straight everywhere.
- the mold plate 42 associated with the support plate 45 is provided on the inside with a corresponding recess 51.
- the cooling channels 10 are provided, which are bounded by the support profiles 10 and / or the connection profiles 20.
- the connecting profiles 20 are again designed as two interlocking profiled strips 21, 22 with lugs 31, 32 which engage in the circumferential direction of the chill and intermesh with play.
- the bulge 50 and the recess 51 and the lugs 31, 32 are directed obliquely, parallel to the Kokilleninnen Chemistry 50 a, 50 b.
- FIG. 5 illustrates a copper mold tube wall 52 of a plate mold for continuous casting of double T pre-profiles, which has a web part 52a, two flange parts 52b, and an oblique part 52c connecting the web part 52a to the respective flange part 52b.
- the web portion 52a is associated with a support plate 55a.
- the flange 52b are each equipped with a support plate 55b. Between the support plate 55a for the web portion 52a and the support plate 55b for the flange portions 52b, a support plate 55c extending along the inclined portions 52c is disposed and overlapped by the adjacent support plates 55a, 55b.
- the support profiles 10 and / or the connection profiles 20 are present, the latter as two interlocking profile strips 21, 22 formed with in the circumferential direction of the mold and interlocking with play lugs 31, 32.
- the lugs 31, 32 are also always directed parallel to the Kokilleninnen Chemistry in the circumferential direction of the mold, even in the region of the inclined portions 52c.
- the profile strips 22 are always perpendicular to the respective wall part.
- Fig. 12 shows a mold tube 60 with a mold cavity 3, which in itself the same as that after Fig. 1 to Fig. 5 designed and therefore not explained in detail.
- the support plates 61, 62 are not formed as a support casing forming a box, but they are independently secured by means of the inventive profile strips on the respective present four outer walls 60 'of the mold tube 60.
- These support plates 61, 62 are advantageously configured trapezoidal in horizontal cross-section and form a plane surface resting on the respective outer wall 60 'of the tube 60, so that the cooling channels 10 milled on the outside are covered by the same in the tube 60.
- These support plates 61, 62 thus form only a kind of stiffening of the relatively thin-walled mold tube.
- the mold tube 60 is held together with the support plates 61, 62 in a mold housing, not shown in detail, which is divided into two and for this purpose may have a center flange, not shown, which surrounds the support plates 61, 62.
- the cooling water in the interior of the mold housing is passed on the bottom through the cooling channels 10 of the tube upwards and passes on the top again into the mold housing.
- FIG. 12 This results in a simplified embodiment of a mold in particular because the support plates 61, 62 are not connected to each other.
- these support plates could also be designed differently, for example by the cooling channels would be assigned to these support plates.
- Another mold 1 "with an elongated rectangular cross-section according to Fig. 13 has a mold tube 71 and a surrounding this Supporting jacket 74, wherein the support jacket 74 is divided in its longitudinal direction at the points 74 'is thus made of four shell parts, which are screwed together at these points 74'.
- connection profiles 70 are provided on the two elongated sides of the mold 1", which are arranged symmetrically to the central axis A of the longitudinal sides.
- These connection profiles 70 are the same as those after Fig. 2 trained and therefore not explained again in detail. Due to the relatively thin wall of the support jacket 74 70 longitudinal profiles 76 and also transverse profiles 77 are welded on its outer side in the connection profiles. The longitudinal profiles 76 are held in place by screws. Of course, more than two such connection profiles 70 could be assigned per page.
Description
Die Erfindung betrifft eine Kokille zum Stranggiessen von Vorblöcken, Brammen oder Knüppeln gemäss dem Oberbegriff des Anspruches 1.The invention relates to a mold for the continuous casting of billets, slabs or billets according to the preamble of
Stranggiesskokillen unterliegen bekanntlich im Betriebeinsatz durch das im Kokillenhohlraum erstarrende Flüssigmetall erheblichen thermischen Belastungen. Letztere verursachen folglich thermische Ausdehnungen der Kokillenwände und führen somit zu Verformungen des präzise hergestellten Kokillenhohlraumes. Besonders unerwünscht sind Verformungen quer zur Giessrichtung, weil sie die für den Erstarrungsvorgang wichtige Kokillenkonizität verändern. Es sind daher besondere Massnahmen zu ergreifen, um die Kokillenwände in ihrer Lage zu stabilisieren.Continuous casting molds are known to be subject to significant thermal stresses during operation due to the solidified in Kokillenhohlraum liquid metal. The latter consequently cause thermal expansions of the mold walls and thus lead to deformations of the precisely produced mold cavity. Particularly undesirable are deformations transverse to the casting direction, because they change the important for the solidification Kokillenkonizität. It is therefore necessary to take special measures to stabilize the mold walls in their position.
Aus dem Dokument
Gemäss der Druckschrift
In der Druckschrift BP-A-0 968 779 ist eine Brammenkokille beschrieben, bei welcher die Abstützung einer geknickten Kokillenwand durch eine Vielzahl von Füllstücken unterschiedlicher Dicke erfolg Hierbei sind die Füllstücke vorzugsweise in den Nuten mit Schrauben befestigt. Es ist aber nachteilig, dass keine Ausdehnung der Kupferwände und Befestigung der Füllstücke an Stützwänden vorgesehen ist.In the publication BP-A-0 968 779 a slab mold is described in which the support of a bent mold wall by a plurality of filling pieces of different thickness success Here, the filler pieces are preferably secured in the grooves with screws. However, it is disadvantageous that no expansion of the copper walls and attachment of the filler is provided on retaining walls.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Kokille der eingangs genannten Art zu schaffen, die im Giessbetrieb eine hohe Formstabilität aufweist, und bei der dennoch durch thermische Ausdehnung der Kokillenwände verursachte Verformungen, weitgehend vermieden werden können.The present invention has for its object to provide a mold of the type mentioned above, which has a high dimensional stability in the casting operation, and in which nevertheless caused by thermal expansion of the mold walls deformations can be largely avoided.
Diese Aufgabe wird erfindungsgemäss durch eine Kokille mit den Merkmalen des Anspruches 1 gelöst.This object is achieved by a mold with the features of
Weitere bevorzugte Ausgestaltungen der erfindungsgemässen Kokille bilden den Gegenstand der abhängigen Ansprüche.Further preferred embodiments of the inventive mold form the subject of the dependent claims.
Erfindungsgemäss sind die Verbindungsprofile jeweils als zwei vom Aussenumfang des Kokillenrohres nach aussen und vom Innenumfang des Stützmantels nach innen vorstehende Profilleisten ausgebildet sind, die derart ineinandergreifen, dass in Umfangsrichtung der Kokille ein Spiel vorhanden ist. Durch die Profilleisten werden die Kokillenrohrwände an den sie stützenden Wänden des Schutzmantels in der zur Giessachse senkrechten Richtung gehalten, jedoch ist eine durch thermische Ausdehnung bedingte Verlagerung entlang der Kokillenwand möglich, vor allem in Kokillenlängsrichtung, aber auch im Rahmen des vorgesehenen Spiels quer dazu, in Umfangsrichtung der Kokille. Dadurch werden die durch die thermische Ausdehnung verursachten Spannungen, bleibende Deformationen und Ermüdungsrisse im Kokillenrohr weitgehend vermieden. Nicht zuletzt wird auch die Montage der Kokille vereinfacht.According to the invention, the connection profiles are in each case designed as two profiled strips protruding inwards from the outer circumference of the mold tube and projecting inwardly from the inner circumference of the support casing, which interlock in such a way that a clearance is present in the circumferential direction of the mold. Through the profile strips, the Kokillenrohrwände are held on the supporting walls of the protective jacket in the direction perpendicular to the casting axis, however, a thermal expansion caused by displacement along the mold wall is possible, especially in Kokillenlängsrichtung, but also within the scope of the proposed game across, in Circumferential direction of the mold. As a result, the stresses caused by the thermal expansion, permanent deformation and fatigue cracks in the mold tube are largely avoided. Last but not least, the assembly of the mold is simplified.
Die Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:
- Fig. 1
- in perspektivischer Darstellung ein Ausführungsbeispiel einer erfindungsgemässen Kokille mit einem Kokillenrohr und einem aus vier Stützplatten zusammengesetzten Stützmantel;
- Fig. 2
- die Kokille nach
Fig. 1 im horizontalen Querschnitt; - Fig. 3
- einen der
Fig. 2 entsprechenden horizontalen Teilschnitt im vergrösserten Massstab; - Fig. 4
- die Kokille nach
Fig. 1 im vertikalen Querschnitt nach Linie IV-IV inFig. 2 ; - Fig. 5
- eine der Stützplatten in perspektivischer Darstellung;
- Fig. 6
- ein zweites Ausführungsbeispiel einer erfindungsgemässen Kokille im horizontalen Querschnitt;
- Fig. 7a, 7b, 7c
- eine Stützplatte und einen Teil des Kokillenrohres mit weiteren zwei Stützplatten voneinander getrennt sowie in einem zusammengebauten Zustand gemäss einem weiteren Ausführungsbeispiel;
- Fig. 8a, 8b
- im horizontalen Querschnitt ein erstes Ausführungsbeispiel von Verbindungsprofilen zur Verbindung des Kokillenrohres mit dem Stützmantel;
- Fig. 9a, 9b
- im horizontalen Querschnitt ein zweites Ausführungsbeispiel von Verbindungsprofilen zur Verbindung des Kokillenrohres mit dem Stützmantel;
- Fig. 10
- eine Kokillenplatte für eine Plattenkokille mit einer entsprechenden Stützplatte;
- Fig. 11
- eine weitere Ausführungsform einer Kokillenwand für eine Plattenkokille mit entsprechenden Stützplatten;
- Fig. 12
- ein Ausführungsbeispiel einer erfindungsgemässen Kokille in perspektivischer Darstellung mit einem Kokillenrohr und vier Stützplatten, und
- Fig. 13
- ein weiteres Ausführungsbeispiel eines im Querschnitt rechteckförmigen Kokillenrohres mit Stützmantel im horizontalen Querschnitt.
- Fig. 1
- a perspective view of an embodiment of an inventive mold with a mold tube and a composite of four support plates supporting jacket;
- Fig. 2
- the mold after
Fig. 1 in horizontal cross section; - Fig. 3
- one of the
Fig. 2 corresponding horizontal partial section on an enlarged scale; - Fig. 4
- the mold after
Fig. 1 in vertical cross-section along line IV-IV inFig. 2 ; - Fig. 5
- one of the support plates in perspective view;
- Fig. 6
- A second embodiment of a mold according to the invention in horizontal cross-section;
- Fig. 7a, 7b, 7c
- a support plate and a part of the mold tube with another two support plates separated from each other and in an assembled state according to another embodiment;
- Fig. 8a, 8b
- in horizontal cross section, a first embodiment of connecting profiles for connecting the mold tube with the support shell;
- Fig. 9a, 9b
- in horizontal cross section, a second embodiment of connecting profiles for connecting the mold tube with the support shell;
- Fig. 10
- a mold plate for a plate mold with a corresponding support plate;
- Fig. 11
- a further embodiment of a mold wall for a plate mold with corresponding support plates;
- Fig. 12
- an embodiment of a mold according to the invention in a perspective view with a mold tube and four support plates, and
- Fig. 13
- a further embodiment of a rectangular cross-section mold tube with support jacket in horizontal cross-section.
In
Beim dargestellten Ausführungsbeispiel sind die Kühlkanäle 10 in die äussere Umfangsfläche des Kokillenrohres 2 eingelassen, beispielsweise eingefräst. Das Kokillenrohr 2 ist einerseits über in seiner Längsrichtung L verlaufende und über den Umfang verteilte Stützprofile 15 am Stützmantel 4 bzw. an den Stützplatten 5, 5' abgestützt, und anderseits steht es mit diesen Stützplatten 5, 5' über sich in Längsrichtung erstreckende Verbindungsprofile 20 in einer lösbaren, formschlüssigen Verbindung. Die Kühlkanäle 10 sind dabei seitlich durch die Stützprofile 15 und/oder die Verbindungsprofile 20 begrenzt.In the illustrated embodiment, the cooling
Die Verbindungsprofile 20 sind erfindungsgemäss jeweils als zwei vom Aussenumfang des Kokillenrohres 2 nach aussen und vom Innenumfang des Stützmantels 4 nach innen vorstehende, ineinandergreifende Profilleisten 21, 22 ausgebildet. Sie sind über die jeweilige Kokillenseite verteilt, wobei ihre Anzahl pro Seite von der Kokillengrösse abhängig ist. Bei der im Querschnitt rechteckförmigen Kokille 1 sind beispielsweise gemäss
Die Profilleisten 21, 22 sind vorzugsweise im Querschnitt nasenförmig ausgebildet (wie noch weiter unten anhand von
Während die Profilleisten 21 direkt am Kokillenrohr 2 angefertigt, d.h. einstückig mit dem Kokillenrohr 2 sind, ist insbesondere bei grossformatigen Kokillen und beim Vorhandensein der Dichtungsringe 23, 23' montagetechnisch vorteilhaft, die Profilleisten 22 für die Stützplatten 5, 5' separat auszuführen, wie am Beispiel nach
Wie in
Bei der in
Je nach Bedarf können gemäss
Bei den Ausführungsformen nach
Besonders vorteilhafte Querschnittsformen der Profilleisten 21, 22 sind aus
Selbstverständlich ist auch eine durch thermische Ausdehnung verursachte gegenseitige Verlagerung in Längsrichtung der Profilleisten 21, 22, d.h. in Längsrichtung der Kokille möglich. Auf diese Art und Weise können Spannungen, plastische Deformationen und Ermüdungsrisse im Kokillenrohr, die ansonsten durch die thermische Ausdehnung verursacht werden, vermieden werden.Of course, a mutual displacement caused by thermal expansion in the longitudinal direction of the profile strips 21, 22, i. in the longitudinal direction of the mold possible. In this way stresses, plastic deformations and fatigue cracks in the mold tube, which are otherwise caused by the thermal expansion, can be avoided.
Für die Grösse des seitlichen Spieles ist die Kokillengrösse ausschlaggebend. Bei grösseren Kokillen muss auch ein grösseres Spiel gewährleistet sein. Eine mögliche Querschnittsform der nasenförmigen Profilleisten 21, 22 für grössere Kokillen ist in
Statt eines einstückigen Kokillenrohres 2 bzw. 2' bzw.2" ist es auch möglich und durchaus üblich, das die den Formhohlraum bildende Kokille als Plattenkokille mit aus einzelnen kupfernen Platten oder anders geformten Kokillenrohrwänden zusammenzusetzen. Den einzelnen Kokillenplatten bzw. Kokillenrohrwänden sind dann eine oder mehrere Stützplatten zugeordnet, die den Stützmantel um die Plattenkokille herum bilden.Instead of a one-
Die Verbindungsprofile 20 sind erfindungsgemäss wiederum als zwei ineinandergreifende Profilleisten 21, 22 mit in Umfangsrichtung der Kokille gerichteten und mit Spiel ineinandergreifenden Nasen 31, 32 ausgebildet. Im schrägen Bereich der Ausbauchung 50 bzw. der Ausnehmung 51 sind auch die Nasen 31, 32 schräg gerichtet, parallel zu der Kokilleninnenfläche 50a, 50b. So wird auch dieser breiten und relativ dünnen Kupferplatte, die einer bedeutsamen thermischen Ausdehnung gegenüber der massiveren Stahlstützplatte ausgesetzt ist, die Möglichkeit gegeben, sich entlang der Kokillenwand tatsächlich auszudehnen. Bei dieser Variante ist es selbstververständlich von Vorteil, die Profilleisten 22 für die Stützplatte 45 separat auszuführen und in die Stützplatte 45 einzusetzen.According to the invention, the connecting
Sowohl bei der Plattenkokille nach
Das Kokillenrohr 60 ist zusammen mit den Stützplatten 61, 62 in einem nicht näher gezeigten Kokillengehäuse gehalten, welches zweigeteilt ist und zu diesem Zwecke einen nicht dargestellten Mittelflansch aufweisen kann, der die Stützplatten 61, 62 umgibt. Das Kühlwasser im Innern des Kokillengehäuses wird auf der Unterseite durch die Kühlkanäle 10 des Rohres nach oben geleitet und gelangt auf der Oberseite wieder ins Kokillengehäuse.The
Mit dieser Variante nach
Eine weitere Kokille 1 " mit einem länglichen rechteckigen Querschnitt gemäss
Die Besonderheit bei dieser Kokille 1 " besteht darin, dass erfindungsgemäss nur an den beiden länglichen Seiten der Kokille 1" jeweils zwei Verbindungsprofile 70 vorgesehen sind, die zur Mittelachse A der Längsseiten symmetrisch angeordnet sind. Diese Verbindungsprofile 70 sind an sich gleich wie diejenigen nach
Claims (12)
- Mould for the continuous casting of blooms, slabs or billets, comprising a mould tube (2; 2'; 2") respectively plate mould surrounded by a supporting shell (4; 4') respectively support plates (61, 62), whereas the mould tube (2; 2'; 2") respectively the plate mould being supported via support profiles (15; 15'; 15") on the supporting shell (4; 4') respectively on the support plates (61, 62) extending in its longitudinal direction (L) and distributed over the periphery and being positively connected thereto via connecting profiles (20; 20'; 20") extending in the longitudinal direction, whereas cooling ducts (10) for guiding cooling water, defined by the support profiles (15; 15'; 15") and the connecting profiles (20; 20'; 20"), being arranged between the mould tube (2; 2'; 2") respectively the plate mould and the supporting shell (4; 4') respectively supporting plates (61, 62), characterised in that those the cooling ducts (10) defining connecting profiles (20; 20'; 20") being arranged between the mould tube (2; 2'; 2") respectively the plate mould and the supporting shell (4; 4') or the supporting plates (61, 62) are configured as two in one another engaging profile strips (21, 21'; 22, 22'), which are nose-shaped in cross-section, and these nose-shaped profile strips respectively having a nose directed in the peripheral direction of the mould, whereas the on the outer periphery of the mould wall of the mould tube (2; 2'; 2") respectively the plate mould outwardly projecting nose-shaped profile strips (21, 21'), which are configured as one piece with the tube (2; 2'; 2") respectively the plate mould, and the on the inner periphery of the supporting shell (4; 4') respectively the supporting plates (61, 62) inwardly projecting nose-shaped profile strips (21, 22; 21", 22") are constructed such that the respective nose (31, 32; 31', 32') of the one profile strip (21, 22; 21", 22") engaging in a recess (33, 34; 33', 34') engaging behind the nose (32, 31; 32', 31') of the other profile strip (22, 21; 22", 21") such that in the peripheral direction of the mould a clearance is present.
- Mould according to claim 1, characterised in that the mould tube (2; 2'; 2") has a square or rectangular cross section and the supporting shell (4; 4') is made up of four support plates (5, 5'; 5", 61, 62), whereas a connecting profile (20') or a plurality of such connecting profiles (20; 20")-distributed over the mould side-arranged in the centre region and comprising two profile strips engaged in one another being associated with each mould side.
- Mould according to claim 2, characterised in that the mould tube (2; 2'; 2") is held in the corner region of the supporting shell (4; 4') with a clearance.
- Mould according to any one of the claims 1 to 3, characterised in that the profile strips (21, 22; 21", 22") substantially extend over the entire length of the mould tube (2; 2'; 2") respectively the supporting shell (4; 4').
- Mould according to claim 1, characterised in that the plate mould forming the mould cavity is made up of a plurality of copper plates (42) respectively of mould tube walls (52) formed in a plate-shaped manner, whereas one or more support plates (45; 55a, 55b, 55c) being associated with each plate (42) respectively mould tube wall (52) and being connected thereto via the connecting profiles (20) configured as profile strips (21, 22) engaging in one another.
- Mould according to claim 5, characterised in that the profile strips (21, 22) are of nose-shaped configuration in cross section, respectively one nose (31, 32) of the one profile strip (21, 22) oriented in the peripheral direction of the mould engaging in a recess (33, 34; 33', 34') engaging behind the nose (32, 31) of the other profile strip (22, 21), whereas the noses (31, 32) in each region of the mould tube wall (52) being oriented parallel to this wall part.
- Mould according to claim 6, characterised in that the noses (31, 32) are arranged symmetrically relative to the centre plane (A) extending transversely to the longitudinal extension of the mould.
- Mould according to claim 1, characterised in that support plates (61, 62) are provided, which are fastened independently of one another by means of the profile strips to the respective outer walls (60') of the mould tube (60).
- Mould according to claim 8, characterised in that the support plates (61, 62) rest against the mould tube (60), such that the cooling ducts (10) machined into the outer face in the tube (60) are covered by the support plates.
- Mould according to any one of the claims 1 to 4, characterised in that the mould tube having connecting profiles (20; 20'; 20"), which are respectively configured as outwardly projecting profile strips (21; 21").
- Mould according to any one of the claims 1, 5, 6 or 7, characterised in that the plate mould having connecting profiles (20), which are respectively configured as outwardly-projecting profile strips (21; 21").
- Mould according to any one of the claims 1 to 9, characterised in that the support plate having connecting profiles (20; 20'; 20"), which are respectively configured as inwardly-projecting profile strips (22; 22").
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07025252T PL2014393T3 (en) | 2007-06-04 | 2007-12-27 | Mould for strand casting of blooms, cogged blooms or billets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH9062007 | 2007-06-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2014393A1 EP2014393A1 (en) | 2009-01-14 |
EP2014393B1 true EP2014393B1 (en) | 2012-04-11 |
Family
ID=39643084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07025252A Active EP2014393B1 (en) | 2007-06-04 | 2007-12-27 | Mould for strand casting of blooms, cogged blooms or billets |
Country Status (23)
Country | Link |
---|---|
US (1) | US8171983B2 (en) |
EP (1) | EP2014393B1 (en) |
JP (1) | JP5232223B2 (en) |
KR (1) | KR20100032383A (en) |
CN (1) | CN101772387B (en) |
AR (1) | AR066860A1 (en) |
AT (1) | ATE552930T1 (en) |
AU (1) | AU2008258868B2 (en) |
BR (1) | BRPI0812582A2 (en) |
CA (1) | CA2689939C (en) |
CL (1) | CL2008001616A1 (en) |
EA (1) | EA017205B1 (en) |
EG (1) | EG25328A (en) |
ES (1) | ES2385257T3 (en) |
MA (1) | MA31503B1 (en) |
MX (1) | MX2009013263A (en) |
MY (1) | MY151784A (en) |
PL (1) | PL2014393T3 (en) |
TN (1) | TN2009000501A1 (en) |
TW (1) | TWI455772B (en) |
UA (1) | UA101318C2 (en) |
WO (1) | WO2008148465A1 (en) |
ZA (1) | ZA200908656B (en) |
Families Citing this family (20)
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EP2025432B2 (en) * | 2007-07-27 | 2017-08-30 | Concast Ag | Method for creating steel long products through strand casting and rolling |
DE102010047392A1 (en) | 2010-10-02 | 2012-04-05 | Egon Evertz Kg (Gmbh & Co.) | continuous casting |
CN102114525B (en) * | 2011-03-24 | 2013-03-20 | 中冶京诚工程技术有限公司 | Ingot blank combined box type water-cooling casting device |
CN102126002B (en) * | 2011-03-24 | 2013-01-23 | 中冶京诚工程技术有限公司 | Box-type water cooling plate assembly used for ingot blank combined box-type water cooling casting device |
DE102011106313A1 (en) * | 2011-06-27 | 2012-12-27 | Kme Germany Ag & Co. Kg | Method for producing a mold tube |
EP2548675A1 (en) | 2011-07-19 | 2013-01-23 | SMS Concast AG | Mould for strand casting metallic long products |
AT512433B1 (en) * | 2012-01-30 | 2017-08-15 | Primetals Technologies Austria GmbH | CONTINUOUS COIL FOR THE CONTINUOUS CASTING OF A STRING WITH A BILL OR PRE-BLOCK PROFILE |
ITBS20120015A1 (en) * | 2012-01-31 | 2013-08-01 | Sama S R L | PLATE OF A PLANT FOR CONTINUOUS CASTING |
ITBS20120016A1 (en) * | 2012-01-31 | 2013-08-01 | Sama S R L | PLATE OF A PLANT FOR CONTINUOUS CASTING |
CN103406509A (en) * | 2013-08-26 | 2013-11-27 | 安徽华晶机械股份有限公司 | Cooling roller device of amorphous soft magnetic material strip machine |
ITUB20150498A1 (en) * | 2015-05-05 | 2016-11-05 | Danieli Off Mecc | CRYSTALLIZER FOR CONTINUOUS CASTING |
CN106041005A (en) * | 2016-07-19 | 2016-10-26 | 上海宝钢工业技术服务有限公司 | Integrated continuous casting mold component and preparation method |
DE102016124801B3 (en) * | 2016-12-19 | 2017-12-14 | Kme Germany Gmbh & Co. Kg | Mold plate and mold |
CN107350437B (en) * | 2017-08-01 | 2019-05-17 | 南通卓尔机电有限公司 | A kind of split type continuous cast mold of conduction copper material |
CN107900295A (en) * | 2017-11-15 | 2018-04-13 | 安徽省恒伟铋业有限公司 | A kind of refined bismuth keeps the temperature casting component |
DE102018123948B3 (en) * | 2018-09-27 | 2019-09-12 | Kme Germany Gmbh & Co. Kg | mold plate |
AT522037B1 (en) * | 2018-12-21 | 2021-08-15 | Primetals Technologies Austria GmbH | Mold unit for the continuous casting of metal products as well as a continuous caster |
CN109894585B (en) * | 2019-04-29 | 2021-01-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Continuous casting tube type crystallizer |
CN110039013B (en) * | 2019-04-29 | 2021-01-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Small deformation continuous casting pipe type crystallizer |
CN112207242B (en) * | 2020-10-13 | 2022-01-04 | 西峡龙成特种材料有限公司 | Stud welding crystallizer copper plate and machining method thereof, and crystallizer |
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US4182397A (en) * | 1978-07-03 | 1980-01-08 | Allis-Chalmers Corporation | Continuous casting mold and means for securing mold liners therein |
JPS60136844U (en) * | 1984-02-16 | 1985-09-11 | 株式会社神戸製鋼所 | Continuous casting mold |
JPS61176444A (en) * | 1985-01-31 | 1986-08-08 | Sumitomo Heavy Ind Ltd | Construction of casting mold of continuous casting device |
JPS61185545U (en) * | 1985-05-10 | 1986-11-19 | ||
JPH0438929Y2 (en) * | 1985-05-10 | 1992-09-11 | ||
DE19829606A1 (en) | 1998-07-02 | 2000-01-05 | Schloemann Siemag Ag | Broad side of a slab mold |
CN1240685A (en) * | 1998-07-02 | 2000-01-12 | Sms舒路曼-斯玛公司 | Wide side of flat ingot mould |
DE19904149A1 (en) | 1999-02-03 | 2000-08-10 | Sms Demag Ag | Arrangement for connecting a mold plate to a water tank |
ES2242119T3 (en) * | 2003-04-16 | 2005-11-01 | Concast Ag | TUBULAR LINGOTERA FOR CONTINUOUS COLADA. |
EP1918042A1 (en) * | 2006-10-10 | 2008-05-07 | Concast Ag | Mould for continuous casting of pre-profiled billets |
-
2007
- 2007-12-27 EP EP07025252A patent/EP2014393B1/en active Active
- 2007-12-27 ES ES07025252T patent/ES2385257T3/en active Active
- 2007-12-27 AT AT07025252T patent/ATE552930T1/en active
- 2007-12-27 PL PL07025252T patent/PL2014393T3/en unknown
-
2008
- 2008-05-21 WO PCT/EP2008/004067 patent/WO2008148465A1/en active Application Filing
- 2008-05-21 CN CN2008801017996A patent/CN101772387B/en active Active
- 2008-05-21 BR BRPI0812582A patent/BRPI0812582A2/en not_active Application Discontinuation
- 2008-05-21 MY MYPI20095136 patent/MY151784A/en unknown
- 2008-05-21 CA CA2689939A patent/CA2689939C/en not_active Expired - Fee Related
- 2008-05-21 EA EA200971112A patent/EA017205B1/en not_active IP Right Cessation
- 2008-05-21 UA UAA200912466A patent/UA101318C2/en unknown
- 2008-05-21 US US12/602,804 patent/US8171983B2/en not_active Expired - Fee Related
- 2008-05-21 AU AU2008258868A patent/AU2008258868B2/en not_active Ceased
- 2008-05-21 JP JP2010510661A patent/JP5232223B2/en not_active Expired - Fee Related
- 2008-05-21 MX MX2009013263A patent/MX2009013263A/en active IP Right Grant
- 2008-05-21 KR KR1020097026660A patent/KR20100032383A/en active IP Right Grant
- 2008-05-23 TW TW097119230A patent/TWI455772B/en not_active IP Right Cessation
- 2008-06-03 CL CL2008001616A patent/CL2008001616A1/en unknown
- 2008-06-04 AR ARP080102376A patent/AR066860A1/en not_active Application Discontinuation
-
2009
- 2009-11-30 TN TNP2009000501A patent/TN2009000501A1/en unknown
- 2009-12-03 EG EG2009121764A patent/EG25328A/en active
- 2009-12-07 ZA ZA200908656A patent/ZA200908656B/en unknown
-
2010
- 2010-01-04 MA MA32477A patent/MA31503B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CL2008001616A1 (en) | 2008-11-14 |
MX2009013263A (en) | 2010-03-08 |
US20100155570A1 (en) | 2010-06-24 |
MA31503B1 (en) | 2010-07-01 |
ATE552930T1 (en) | 2012-04-15 |
BRPI0812582A2 (en) | 2015-12-15 |
EA200971112A1 (en) | 2010-06-30 |
CN101772387B (en) | 2013-11-20 |
AU2008258868B2 (en) | 2013-04-18 |
KR20100032383A (en) | 2010-03-25 |
EA017205B1 (en) | 2012-10-30 |
PL2014393T3 (en) | 2012-09-28 |
CA2689939A1 (en) | 2008-12-11 |
JP5232223B2 (en) | 2013-07-10 |
TN2009000501A1 (en) | 2011-03-31 |
EG25328A (en) | 2011-12-14 |
MY151784A (en) | 2014-07-14 |
JP2010531231A (en) | 2010-09-24 |
CA2689939C (en) | 2015-07-07 |
EP2014393A1 (en) | 2009-01-14 |
WO2008148465A1 (en) | 2008-12-11 |
TWI455772B (en) | 2014-10-11 |
CN101772387A (en) | 2010-07-07 |
ZA200908656B (en) | 2010-08-25 |
UA101318C2 (en) | 2013-03-25 |
ES2385257T3 (en) | 2012-07-20 |
AR066860A1 (en) | 2009-09-16 |
US8171983B2 (en) | 2012-05-08 |
TW200920516A (en) | 2009-05-16 |
AU2008258868A1 (en) | 2008-12-11 |
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