EP0912271B1 - Flüssigkeitsgekühlte kokille - Google Patents
Flüssigkeitsgekühlte kokille Download PDFInfo
- Publication number
- EP0912271B1 EP0912271B1 EP97924881A EP97924881A EP0912271B1 EP 0912271 B1 EP0912271 B1 EP 0912271B1 EP 97924881 A EP97924881 A EP 97924881A EP 97924881 A EP97924881 A EP 97924881A EP 0912271 B1 EP0912271 B1 EP 0912271B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chill
- copper
- metal studs
- copper plates
- chill according
- 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
Links
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
-
- 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
- B22D11/0408—Moulds for casting thin slabs
-
- 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
- B22D11/0406—Moulds with special profile
-
- 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
-
- 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
- B22D11/059—Mould materials or platings
Definitions
- a liquid-cooled mold of the type in question becomes continuous casting of thin steel slabs, the cross-sectional length of which is a multiple of the Cross-sectional width.
- At least every broad side wall is made up of one Mold cavity bounding copper plate and a steel support plate together.
- the copper plate is on the support plate by means of transversely protruding metal bolts attached. To do this, the metal bolts penetrate the holes in the support plate. End The holes are provided with extended areas in which nuts on the Threaded ends of the metal bolts can be screwed. With their help Copper plate pulled tight to the support plate.
- the invention is based on the object of a liquid-cooled mold for high casting speeds, especially for the Near-dimensional steel casting, to create, where the strength problems clearly in the area of the connections of the metal bolts with the copper plates are reduced.
- the metal bolt according to claim 2 CuNiFe alloy Mn added that there is a composition of CuNi30Mn1Fe.
- the metal bolts made of a CuNi30Mn1Fe material.
- nickel is used as a filler metal (Claim 5).
- the filler metal can be used as a foil between the metal studs and the copper plates are inserted. It is also possible to use the copper plates to be provided with the filler metal at the connection points or also to coat the end faces of the metal bolts. It is also possible to use nickel rings Use the metal studs on the circumference as a filler metal.
- the copper plates of the broad side walls Groove-like grooves running parallel to the casting direction and covered by the support plates Coolant channels on.
- Coolant channels on.
- cooling holes can be generated by mechanical deep drilling. Through this Cooling holes transferred coolant avoids a local in continuous casting operation Temperature rise of the copper plates near the connection areas of the Metal bolt with the copper plate.
- the cooling bores are preferably arranged in the area of the bathroom mirror.
- the invention provides according to claim 9 that the support plates groove-like, parallel to the casting direction, covered by the copper plates Have coolant channels. There are then no coolant channels in the copper plates available. If necessary, a combination of coolant channels can also be used used in the copper plates and in the support plates.
- the cross section is according to claim 10 of the mold cavity is larger at the pouring end than at the strand exit end Measured end.
- the mold cavity has multiple taper.
- a bulge may be provided which decreases in size in the casting direction. This Bulging serves in particular to hold a dip tube.
- FIG. 1 is a liquid-cooled, only schematically illustrated Mold for continuous casting of thin steel slabs, not shown, whose cross-sectional length is a multiple of the cross-sectional width.
- the mold 1 has two multilayer broad side walls 2 lying opposite one another and two narrow side walls 3, also opposite one another, which form a mold cavity 4.
- the broad side walls 2 are at the pour-side end 5 of the mold cavity 4 Bulges 6 provided along a partial height of the mold 1 down be steadily reformed.
- the cross section is at the end 7 of the strand exit of the mold cavity 4 rectangular and to the desired thin slab cross section aligned.
- the purpose of the two opposite bulges 6 consists of the space required for a dip tube, not shown for the supply of the molten metal.
- each broad side wall 2 has the mold cavity 4 delimiting copper plate 8 and a steel support plate 9.
- Copper plate 8 are, as can also be seen in FIG. 2 drawn without the support plate 8 lets, parallel to the pouring direction GR, covered by the support plate 9 and groove-like coolant channels 10 to which cooling water can be applied.
- FIGS 2 and 3 show that parallel to the coolant channels 10 also extend cooling bores 11 which can be acted upon with cooling water.
- the cooling bores 11 run in the vertical cross-sectional planes QE of metal studs 12 made of CuNi30Mn1Fe, which are produced using the stud welding process using nickel rings 13 as a filler metal on the Back 14 of the copper plate 8 are attached. Push through the metal bolts 12 Bores 15 in the support plate 9. By screwing nuts 16 onto the thread ends 17 of the metal bolt 12, the copper plate 8 is used on the support plate 9 and committed to this. The nuts 16 are in enlarged end sections 18 of the holes 15.
- the coolant is fed into the cooling bores 11 via the coolant channels 10, and expediently, as shown in Figure 2, via a branch 19 between a cooling hole 11 and the adjacent coolant channel 10.
- FIG 3 also shows that the coolant channels 10 in addition to the cross-sectional planes QE of the metal bolts 12 deeper than the other coolant channels 10 are trained.
- the arrangement of coolant channels 10 and cooling bores 11 in a copper plate 8 takes place when the copper plate 8 has a sufficient thickness D.
- coolant channels 10a according to FIG. 4 are worked into the support plate 9a and through the copper plate 8a when fixing the copper plate 8a to the support plate 9a covered with the metal bolt 12.
Description
- Figur 1
- im Schema im vertikalen Längsschnitt eine flüssigkeitsgekühlte Kokille;
- Figur 2
- in vergrößerter Darstellung eine Teilansicht auf die Rückseite einer Kupferplatte der Kokille der Figur 1 gemäß dem Pfeil II der Figur 3;
- Figur 3
- in vergrößertem Maßstab einen Teil-Horizontalschnitt durch eine Breitseitenwand der Kokille der Figur 1 und
- Figur 4
- ebenfalls in vergrößertem Maßstab einen Teil-Horizontalschnitt durch eine Breitseitenwand gemäß einer weiteren Ausführungsform.
Claims (12)
- Flüssigkeitsgekühlte Kokille zum Stranggießen von dünnen Stahlbrammen, deren Querschnittslänge ein Mehrfaches der Querschnittsbreite beträgt, welche zwei einander gegenüberliegende, jeweils eine Kupferplatte (8, 8a) und eine Stützplatte (9, 9a) aufweisende Breitseitenwände (2) und die Strangbreite begrenzende Schmalseitenwände (3) umfaßt, wobei die den Formhohlraum (4) begrenzenden Kupferplatten (8, 8a) mittels Metallbolzen (12) aus einer CuNiFe-Legierung an den Stützplatten (9, 9a) lösbar befestigt und die Metallbolzen (12) auf die Kupferplatten (8, 8a) geschweißt sind.
- Kokille nach Anspruch 1, dadurch gekennzeichnet, dass den Metallbolzen (12) aus einer CuNiFe-Legierung Mn hinzulegiert ist, daß sich eine Zusammensetzung von CuNi30Mn1Fe ergibt.
- Kokille nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Metallbolzen (12) mittels Bolzenschweißverfahren an den Kupferplatten (8, 8a) befestigt sind.
- Kokille nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Metallbolzen (12) unter Verwendung eines Schweißzusatzwerkstoffs (13) auf die Kupferplatten (8, 8a) geschweißt sind.
- Kokille nach Anspruch 4, dadurch gekennzeichnet, daß der Schweißzusatzwerkstoff (13) Nickel ist.
- Kokille nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Kupferplatten (8) der Breitseitenwände (2) parallel zur Gießrichtung verlaufende, durch die Stützplatten (9) abgedeckte nutenartige Kühlmittelkanäle (10) aufweisen.
- Kokille nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Kupferplatten (8) neben den Kühlmittelkanälen (10) parallel zur Gießrichtung (GR) verlaufende und in den vertikalen Querschnittsebenen (QE) der Metallbolzen (12) sich erstreckende Kühlbohrungen (11) aufweisen.
- Kokille nach Anspruch 7, dadurch gekennzeichnet, daß die Kühlbohrungen (11) im Badspiegelbereich angeordnet sind.
- Kokille nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Stützplatten (9a) parallel zur Gießrichtung (GR) verlaufende, durch die Kupferplatten (8a) abgedeckte nutenartige Kühlmittelkanäle (10a) aufweisen.
- Kokille nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Querschnitt des Formhohlraums (4) am eingießseitigen Ende (5) größer ist als am strangaustrittsseitigen Ende (7).
- Kokille nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß der Formhohlraum (4) eine mehrfache Konizität aufweist.
- Kokille nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Formhohlraum (4) am eingießseitigen Ende (5) wenigstens eine Ausbauchung (6) besitzt, die sich in Gießrichtung (GR) verkleinert.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19619073 | 1996-05-13 | ||
DE19619073 | 1996-05-13 | ||
DE19716450A DE19716450A1 (de) | 1996-05-13 | 1997-04-21 | Flüssigkeitsgekühlte Kokille |
DE19716450 | 1997-04-21 | ||
PCT/DE1997/000961 WO1997043063A1 (de) | 1996-05-13 | 1997-05-07 | Flüssigkeitsgekühlte kokille |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0912271A1 EP0912271A1 (de) | 1999-05-06 |
EP0912271B1 true EP0912271B1 (de) | 2000-08-23 |
Family
ID=26025623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97924881A Expired - Lifetime EP0912271B1 (de) | 1996-05-13 | 1997-05-07 | Flüssigkeitsgekühlte kokille |
Country Status (17)
Country | Link |
---|---|
US (1) | US6145579A (de) |
EP (1) | EP0912271B1 (de) |
JP (1) | JP2000510049A (de) |
KR (1) | KR20000010963A (de) |
CN (1) | CN1170645C (de) |
AT (1) | ATE195678T1 (de) |
AU (1) | AU712782B2 (de) |
BR (1) | BR9709585A (de) |
CA (1) | CA2253873A1 (de) |
CZ (1) | CZ335498A3 (de) |
DK (1) | DK0912271T3 (de) |
ES (1) | ES2150774T3 (de) |
GR (1) | GR3034806T3 (de) |
PL (1) | PL183716B1 (de) |
PT (1) | PT912271E (de) |
RU (1) | RU2182058C2 (de) |
WO (1) | WO1997043063A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19639295C2 (de) * | 1996-09-25 | 1999-09-09 | Schloemann Siemag Ag | Stranggießkokille |
DE19802809A1 (de) * | 1998-01-27 | 1999-07-29 | Km Europa Metal Ag | Flüssigkeitsgekühlte Kokille |
DE19829606A1 (de) | 1998-07-02 | 2000-01-05 | Schloemann Siemag Ag | Breitseite einer Brammenkokille |
DE19835111A1 (de) * | 1998-08-04 | 2000-02-10 | Schloemann Siemag Ag | Kokillenwand einer Stranggießanlage |
DE19904149A1 (de) * | 1999-02-03 | 2000-08-10 | Sms Demag Ag | Anordnung zum Verbinden einer Kokillenplatte mit einem Wasserkasten |
JP3443109B2 (ja) * | 2001-05-31 | 2003-09-02 | ジャパン・エンジニアリング・ネットワーク株式会社 | 連続鋳造用組立て鋳型 |
KR100768315B1 (ko) * | 2001-11-12 | 2007-10-17 | 주식회사 포스코 | 통크레인용 조우 승강장치 |
DE10226214A1 (de) * | 2002-06-13 | 2003-12-24 | Sms Demag Ag | Stranggießkokille für flüssige Metalle, insbesondere für flüssigen Stahl |
DE10237472A1 (de) * | 2002-08-16 | 2004-02-26 | Km Europa Metal Ag | Flüssigkeitsgekühlte Kokille |
DE10237473A1 (de) * | 2002-08-16 | 2004-02-26 | Km Europa Metal Ag | Flüssigkeitsgekühlte Kokille zum Stranggießen von Metallen |
US7106905B2 (en) * | 2002-08-23 | 2006-09-12 | Hewlett-Packard Development Company, L.P. | Systems and methods for processing text-based electronic documents |
JP2006320925A (ja) * | 2005-05-18 | 2006-11-30 | Sanyo Special Steel Co Ltd | 均一冷却によって鋳片疵を防止する連続鋳造用鋳型 |
EP1918042A1 (de) * | 2006-10-10 | 2008-05-07 | Concast Ag | Stranggiesskokille für Vorprofile |
DE102007002804A1 (de) * | 2007-01-18 | 2008-07-24 | Sms Demag Ag | Kokillenwand einer Kokille zum Gießen einer Metallschmelze |
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 |
US20140190655A1 (en) * | 2011-11-09 | 2014-07-10 | Nippon Steel & Sumitomo Metal Corporation | Continuous casting apparatus for steel |
ITMI20120153A1 (it) * | 2012-02-06 | 2013-08-07 | Arvedi Steel Engineering S P A | Lingottiera per la colata continua veloce di bramme sottili di acciaio |
CN102581239B (zh) * | 2012-03-27 | 2014-01-01 | 中冶南方工程技术有限公司 | 用于高效板坯连铸机的结晶器宽面铜板 |
CN105108084A (zh) * | 2015-09-15 | 2015-12-02 | 西峡龙成特种材料有限公司 | 金属连铸结晶器液冷窄面铜板 |
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 |
RU2748425C2 (ru) * | 2019-05-07 | 2021-05-25 | Вячеслав Викторович Стулов | Кристаллизатор для получения слябовых заготовок |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3709286A (en) * | 1970-11-02 | 1973-01-09 | United States Steel Corp | Continuous-casting mold with thin-walled copper liner |
DE3723857A1 (de) * | 1987-07-18 | 1989-01-26 | Schloemann Siemag Ag | Kokille zum vertikalen stranggiessen von stahlband |
JPH03258440A (ja) * | 1990-03-06 | 1991-11-18 | Mitsubishi Materials Corp | 連続鋳造用鋳型 |
JPH0826539B2 (ja) * | 1991-08-19 | 1996-03-13 | 中嶋 志朗 | 地盤改良体造成工法及びその装置 |
-
1997
- 1997-05-07 CZ CZ983354A patent/CZ335498A3/cs unknown
- 1997-05-07 KR KR1019980709112A patent/KR20000010963A/ko not_active Application Discontinuation
- 1997-05-07 CN CNB971947775A patent/CN1170645C/zh not_active Expired - Fee Related
- 1997-05-07 AU AU30237/97A patent/AU712782B2/en not_active Ceased
- 1997-05-07 DK DK97924881T patent/DK0912271T3/da active
- 1997-05-07 EP EP97924881A patent/EP0912271B1/de not_active Expired - Lifetime
- 1997-05-07 WO PCT/DE1997/000961 patent/WO1997043063A1/de not_active Application Discontinuation
- 1997-05-07 PL PL97329805A patent/PL183716B1/pl not_active IP Right Cessation
- 1997-05-07 CA CA002253873A patent/CA2253873A1/en not_active Abandoned
- 1997-05-07 RU RU98122364/02A patent/RU2182058C2/ru not_active IP Right Cessation
- 1997-05-07 JP JP09540391A patent/JP2000510049A/ja active Pending
- 1997-05-07 US US09/180,695 patent/US6145579A/en not_active Expired - Fee Related
- 1997-05-07 AT AT97924881T patent/ATE195678T1/de not_active IP Right Cessation
- 1997-05-07 ES ES97924881T patent/ES2150774T3/es not_active Expired - Lifetime
- 1997-05-07 BR BR9709585-0A patent/BR9709585A/pt not_active IP Right Cessation
- 1997-05-07 PT PT97924881T patent/PT912271E/pt unknown
-
2000
- 2000-11-10 GR GR20000402493T patent/GR3034806T3/el not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0912271A1 (de) | 1999-05-06 |
WO1997043063A1 (de) | 1997-11-20 |
CA2253873A1 (en) | 1997-11-20 |
PT912271E (pt) | 2001-02-28 |
ES2150774T3 (es) | 2000-12-01 |
AU3023797A (en) | 1997-12-05 |
RU2182058C2 (ru) | 2002-05-10 |
CZ335498A3 (cs) | 1999-07-14 |
PL183716B1 (pl) | 2002-07-31 |
DK0912271T3 (da) | 2000-11-06 |
KR20000010963A (ko) | 2000-02-25 |
US6145579A (en) | 2000-11-14 |
CN1170645C (zh) | 2004-10-13 |
GR3034806T3 (en) | 2001-02-28 |
ATE195678T1 (de) | 2000-09-15 |
JP2000510049A (ja) | 2000-08-08 |
AU712782B2 (en) | 1999-11-18 |
CN1219143A (zh) | 1999-06-09 |
BR9709585A (pt) | 2000-05-02 |
PL329805A1 (en) | 1999-04-12 |
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