EP2014393A1 - Lingotière destinée à la coulée de blooms, de brames ou de billettes - Google Patents

Lingotière destinée à la coulée de blooms, de brames ou de billettes Download PDF

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Publication number
EP2014393A1
EP2014393A1 EP07025252A EP07025252A EP2014393A1 EP 2014393 A1 EP2014393 A1 EP 2014393A1 EP 07025252 A EP07025252 A EP 07025252A EP 07025252 A EP07025252 A EP 07025252A EP 2014393 A1 EP2014393 A1 EP 2014393A1
Authority
EP
European Patent Office
Prior art keywords
mold
support
tube
profiles
chill
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
Application number
EP07025252A
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German (de)
English (en)
Other versions
EP2014393B1 (fr
Inventor
Franz Kawa
Adalbert Roehrig
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.)
SMS Concast AG
Original Assignee
Concast AG
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Filing date
Publication date
Application filed by Concast AG filed Critical Concast AG
Priority to PL07025252T priority Critical patent/PL2014393T3/pl
Publication of EP2014393A1 publication Critical patent/EP2014393A1/fr
Application granted granted Critical
Publication of EP2014393B1 publication Critical patent/EP2014393B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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.
  • 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 comes to friction on between the mold walls and the support shell provided 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.
  • 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Earth Drilling (AREA)
  • Supports For Pipes And Cables (AREA)
  • Metal Rolling (AREA)
EP07025252A 2007-06-04 2007-12-27 Lingotière destinée à la coulée de blooms, de brames ou de billettes Active EP2014393B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07025252T PL2014393T3 (pl) 2007-06-04 2007-12-27 Krystalizator do ciągłego odlewania kęsisk kwadratowych, kęsisk płaskich lub kęsów

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH9062007 2007-06-04

Publications (2)

Publication Number Publication Date
EP2014393A1 true EP2014393A1 (fr) 2009-01-14
EP2014393B1 EP2014393B1 (fr) 2012-04-11

Family

ID=39643084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07025252A Active EP2014393B1 (fr) 2007-06-04 2007-12-27 Lingotière destinée à la coulée de blooms, de brames ou de billettes

Country Status (23)

Country Link
US (1) US8171983B2 (fr)
EP (1) EP2014393B1 (fr)
JP (1) JP5232223B2 (fr)
KR (1) KR20100032383A (fr)
CN (1) CN101772387B (fr)
AR (1) AR066860A1 (fr)
AT (1) ATE552930T1 (fr)
AU (1) AU2008258868B2 (fr)
BR (1) BRPI0812582A2 (fr)
CA (1) CA2689939C (fr)
CL (1) CL2008001616A1 (fr)
EA (1) EA017205B1 (fr)
EG (1) EG25328A (fr)
ES (1) ES2385257T3 (fr)
MA (1) MA31503B1 (fr)
MX (1) MX2009013263A (fr)
MY (1) MY151784A (fr)
PL (1) PL2014393T3 (fr)
TN (1) TN2009000501A1 (fr)
TW (1) TWI455772B (fr)
UA (1) UA101318C2 (fr)
WO (1) WO2008148465A1 (fr)
ZA (1) ZA200908656B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436458A1 (fr) 2010-10-02 2012-04-04 Egon Evertz K.G. (GmbH & CO) Lingotière de coulée continue
EP2548675A1 (fr) 2011-07-19 2013-01-23 SMS Concast AG Lingotière pour la coulée en continu des produits métalliques longs
WO2020126206A1 (fr) * 2018-12-21 2020-06-25 Primetals Technologies Austria GmbH Unité lingotière pour la coulée continue de produits métalliques, et installation de coulée continue

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2025432B2 (fr) * 2007-07-27 2017-08-30 Concast Ag Procédé destiné à la production de produits allongés en acier par coulage en continu et laminage
CN102114525B (zh) * 2011-03-24 2013-03-20 中冶京诚工程技术有限公司 锭坯组合箱式水冷铸造装置
CN102126002B (zh) * 2011-03-24 2013-01-23 中冶京诚工程技术有限公司 用于锭坯组合箱式水冷铸造装置的箱式水冷板组件
DE102011106313A1 (de) * 2011-06-27 2012-12-27 Kme Germany Ag & Co. Kg Verfahren zur Herstellung eines Kokillenrohrs
AT512433B1 (de) * 2012-01-30 2017-08-15 Primetals Technologies Austria GmbH Durchlaufkokille zum stranggiessen eines strangs mit knüppel- oder vorblockprofil
ITBS20120016A1 (it) * 2012-01-31 2013-08-01 Sama S R L Lingottiera di un impianto per colata continua
ITBS20120015A1 (it) * 2012-01-31 2013-08-01 Sama S R L Lingottiera di un impianto per colata continua
CN103406509A (zh) * 2013-08-26 2013-11-27 安徽华晶机械股份有限公司 一种非晶软磁材料制带机上的冷却辊装置
ITUB20150498A1 (it) * 2015-05-05 2016-11-05 Danieli Off Mecc Cristallizzatore per la colata continua
CN106041005A (zh) * 2016-07-19 2016-10-26 上海宝钢工业技术服务有限公司 一体式连铸结晶器部件及制备方法
DE102016124801B3 (de) * 2016-12-19 2017-12-14 Kme Germany Gmbh & Co. Kg Kokillenplatte und Kokille
CN107350437B (zh) * 2017-08-01 2019-05-17 南通卓尔机电有限公司 一种导电铜材分体式连铸结晶器
CN107900295A (zh) * 2017-11-15 2018-04-13 安徽省恒伟铋业有限公司 一种精铋保温浇铸组件
DE102018123948B3 (de) * 2018-09-27 2019-09-12 Kme Germany Gmbh & Co. Kg Kokillenplatte
CN110039013B (zh) * 2019-04-29 2021-01-26 攀钢集团攀枝花钢铁研究院有限公司 小变形连铸管式结晶器
CN109894585B (zh) * 2019-04-29 2021-01-26 攀钢集团攀枝花钢铁研究院有限公司 连铸管式结晶器
CN111570747A (zh) * 2020-07-03 2020-08-25 沈阳航空航天大学 一种组合模可调换的连续铸造装置及其使用方法
CN112207242B (zh) * 2020-10-13 2022-01-04 西峡龙成特种材料有限公司 一种螺柱焊结晶器铜板及其加工方法、一种结晶器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182397A (en) * 1978-07-03 1980-01-08 Allis-Chalmers Corporation Continuous casting mold and means for securing mold liners therein
JPS61176444A (ja) * 1985-01-31 1986-08-08 Sumitomo Heavy Ind Ltd 連続鋳造装置の鋳型構造
EP0968779A1 (fr) 1998-07-02 2000-01-05 Sms Schloemann-Siemag Aktiengesellschaft Paroi large de lingotière pour brammes
EP1025929A1 (fr) 1999-02-03 2000-08-09 SMS Demag AG Dispositif pour le raccordement d'une plaque de lingotière à une boíte à eau
EP1468760A1 (fr) 2003-04-16 2004-10-20 Concast Ag Lingotière tubalaire pour la coulée continue

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60136844U (ja) * 1984-02-16 1985-09-11 株式会社神戸製鋼所 連続鋳造用鋳型
JPS61185545U (fr) * 1985-05-10 1986-11-19
JPH0438929Y2 (fr) * 1985-05-10 1992-09-11
CN1240685A (zh) * 1998-07-02 2000-01-12 Sms舒路曼-斯玛公司 扁锭结晶器的宽边
EP1918042A1 (fr) * 2006-10-10 2008-05-07 Concast Ag Coquille pour la coulee d'ébauche de profiles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182397A (en) * 1978-07-03 1980-01-08 Allis-Chalmers Corporation Continuous casting mold and means for securing mold liners therein
JPS61176444A (ja) * 1985-01-31 1986-08-08 Sumitomo Heavy Ind Ltd 連続鋳造装置の鋳型構造
EP0968779A1 (fr) 1998-07-02 2000-01-05 Sms Schloemann-Siemag Aktiengesellschaft Paroi large de lingotière pour brammes
EP1025929A1 (fr) 1999-02-03 2000-08-09 SMS Demag AG Dispositif pour le raccordement d'une plaque de lingotière à une boíte à eau
DE19904149A1 (de) * 1999-02-03 2000-08-10 Sms Demag Ag Anordnung zum Verbinden einer Kokillenplatte mit einem Wasserkasten
EP1468760A1 (fr) 2003-04-16 2004-10-20 Concast Ag Lingotière tubalaire pour la coulée continue

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436458A1 (fr) 2010-10-02 2012-04-04 Egon Evertz K.G. (GmbH & CO) Lingotière de coulée continue
DE102010047392A1 (de) 2010-10-02 2012-04-05 Egon Evertz Kg (Gmbh & Co.) Stranggießkokille
EP2548675A1 (fr) 2011-07-19 2013-01-23 SMS Concast AG Lingotière pour la coulée en continu des produits métalliques longs
WO2013010663A1 (fr) 2011-07-19 2013-01-24 Sms Concast Ag Lingotière pour la coulée continue de produits métalliques allongés
WO2020126206A1 (fr) * 2018-12-21 2020-06-25 Primetals Technologies Austria GmbH Unité lingotière pour la coulée continue de produits métalliques, et installation de coulée continue

Also Published As

Publication number Publication date
MY151784A (en) 2014-07-14
BRPI0812582A2 (pt) 2015-12-15
TW200920516A (en) 2009-05-16
AU2008258868B2 (en) 2013-04-18
EA200971112A1 (ru) 2010-06-30
TWI455772B (zh) 2014-10-11
CA2689939A1 (fr) 2008-12-11
US8171983B2 (en) 2012-05-08
EA017205B1 (ru) 2012-10-30
KR20100032383A (ko) 2010-03-25
ZA200908656B (en) 2010-08-25
EP2014393B1 (fr) 2012-04-11
CL2008001616A1 (es) 2008-11-14
ES2385257T3 (es) 2012-07-20
CN101772387B (zh) 2013-11-20
JP2010531231A (ja) 2010-09-24
CA2689939C (fr) 2015-07-07
UA101318C2 (ru) 2013-03-25
JP5232223B2 (ja) 2013-07-10
AR066860A1 (es) 2009-09-16
PL2014393T3 (pl) 2012-09-28
ATE552930T1 (de) 2012-04-15
EG25328A (en) 2011-12-14
MA31503B1 (fr) 2010-07-01
WO2008148465A1 (fr) 2008-12-11
TN2009000501A1 (en) 2011-03-31
AU2008258868A1 (en) 2008-12-11
US20100155570A1 (en) 2010-06-24
CN101772387A (zh) 2010-07-07
MX2009013263A (es) 2010-03-08

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