EP0931609B1 - Flüssigkeitsgekühlte Kokille - Google Patents
Flüssigkeitsgekühlte Kokille Download PDFInfo
- Publication number
- EP0931609B1 EP0931609B1 EP99100854A EP99100854A EP0931609B1 EP 0931609 B1 EP0931609 B1 EP 0931609B1 EP 99100854 A EP99100854 A EP 99100854A EP 99100854 A EP99100854 A EP 99100854A EP 0931609 B1 EP0931609 B1 EP 0931609B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- regions
- cooling holes
- pour
- mould
- cooling
- 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
- 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
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/004—Copper alloys
-
- 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
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
Definitions
- the invention relates to a liquid-cooled mold for a continuous casting with a shaping mold body made of a material of high thermal conductivity, like copper or a copper alloy.
- Molds are designed to extract heat from the molten metal and over the initial Successful strand shell formation allow a solidification of the strand.
- mold geometries are in use, like mold tubes in round, rectangular or complex shape.
- mold plates be used for square / rectangular billets or for larger slabs Aspect ratio used.
- special geometries such as pre-profiles for double T-beams and thin slab molds with funnel extension in the upper one Plate area for receiving the pouring nozzle. All these molds is to own that a homogeneous cooling of the surfaces is desired. Set the corner areas Special cases because z. B. due to the design of plate molds butt edges disturbed cooling are present.
- some areas are larger Material volumes for the rear fasteners given with specially designed groove-like coolant channels approaching in relation to the same Cooling be adjusted again.
- the local stress conditions when using funnel cork plates are on the one hand operational. They are essentially determined on the casting side the steel grade / casting temperature, the speed, the lubrication / cooling conditions of the casting powder, the geometry of the casting nozzle and the associated flow of Melt. On the other side determine the water side cooling water quality, cooling water and water speed the mold temperatures. These sizes are partially already by the Kokillenkonstrutation - as with the geometry of the Coolant channels - determined.
- the hardness falls from 100% of the initial value in the critical range to about 60% off, while at the same height next to the critical area only one drop on about 70% of the initial hardness is measured; the edge region of the mold plate is not considered here.
- a similar statement shows measurements in the wall thickness after use of the mold plates; extend the same material softening in the critical area of the bath level to about one third greater depths in the Comparison to non-critical areas.
- DE-A-4 127 333 discloses a liquid cooled mold according to the preamble of claim 1.
- the invention has the object, a To create KokillenMap, in which increases the heat flow in the bathroom mirror area is and the risk of cracking in the thermally and mechanically highly stressed Areas can be avoided.
- the core of the invention thus forms the measure in the supercritical claimed On both sides of the funnel a much stronger cooling of the To set mold body.
- the cooling capacity is proposed in these critical areas preferably by 10 to 20% over the horizontal neighboring areas. Coolant channels are here set closer, so that the cooled surface increases. alternative the coolant channels can also be brought closer to the surface locally; in this Case, one works unusual with different - effectively effective - Cooling wall thicknesses above the cooling water.
- the funnel cork plate 1 shown in FIG. 1 has the highest thermal stress at the horizontal outlet (vertical line C) of the funnel 2 on the pouring side.
- a maximum area-related heat flow of 4.7 to 5.2 MW / m 2 results at C in the casting direction GR directly below the bath level 3.
- the wall thickness d 2 is 2 mm lower in the critically stressed area 5, it surprisingly results in an overall higher service life of the mold plates including reworking 1.
- the cooling grooves 6 inserted deeper (wall thickness between casting and cooling surface 18 mm instead of 20 mm)
- the intensively cooled area 5 extends over the following areas (see FIG. 1): length horizontally from the inflection point B of the funnel 2 over 370 mm to the end point D.
- the more intensive cooling area extends from the top edge of the board 7 to 200 mm in the casting direction GR; This is followed by a transition zone 8 of 50 mm, in which the depth d of the cooling grooves 6 is adjusted.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
- eine hohe Strömungsgeschwindigkeit der Stahlschmelze; Turbulenzen der Schmelze beanspruchen insbesondere die Übergangsbereiche des Trichters in die planparallelen Seiten des Gießquerschnittes.
- eine höhere mechanische Beanspruchung der im Trichterauslauf gebogenen Wand der Kupferplatte infolge thermischer Ausdehnung. Die resultierenden Spannungen sind hier an der Gießseite besonders hoch.
Claims (3)
- Flüssigkeitsgekühlte Kokille für eine Stranggießanlage, die einen Formhohlraum aufweist, der durch zwei einander gegenüber liegende Breitseitenwände (1) und zwei die Strangbreite begrenzende Schmalseitenwände gebildet ist, wobei am eingießseitigen Ende des Formhohlraums in den Breitseitenwänden (1) im Querschnitt erweiterte, einen sich in Gießrichtung (GR) verkleinernden Trichter (2) bildende Eingießbereiche und neben dem Formhohlraum parallel zur Gießrichtung (GR) verlaufende Kühlbohrungen in den Breitseitenwänden (1) vorgesehen sind, dadurch gekennzeichnet, daß die Eingießbereiche über zum Formhohlraum hin konvex gekrümmte Übergangsbereiche mit planparallelen Bereichen der Breitseitenwände (1) verbunden sind, wobei der Abstand benachbarter Kühlbohrungen und/oder der Abstand der Kühlbohrungen von der Gießseite (4) in den konvex gekrümmten Übergangsbereichen kleiner als in den Eingießbereichen und in den planparallelen Bereichen bemessen ist.
- Kokille nach Patentanspruch 1, dadurch gekennzeichnet, daß der Abstand der Kühlbohrungen in den konvex gekrümmten Übergangsbereichen um mindestens 20 % geringer als in den horizontalen Nachbarbereichen des Badspiegels bemessen ist.
- Kokille nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, daß die Kühlbohrungen in den Übergangsbereichen stufenweise enger angeordnet sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK99100854T DK0931609T3 (da) | 1998-01-27 | 1999-01-19 | Væskekölet kokille |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19802809 | 1998-01-27 | ||
DE19802809A DE19802809A1 (de) | 1998-01-27 | 1998-01-27 | Flüssigkeitsgekühlte Kokille |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0931609A1 EP0931609A1 (de) | 1999-07-28 |
EP0931609B1 true EP0931609B1 (de) | 2004-11-24 |
Family
ID=7855667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99100854A Expired - Lifetime EP0931609B1 (de) | 1998-01-27 | 1999-01-19 | Flüssigkeitsgekühlte Kokille |
Country Status (19)
Country | Link |
---|---|
US (1) | US6926067B1 (de) |
EP (1) | EP0931609B1 (de) |
JP (1) | JPH11267794A (de) |
KR (1) | KR100566741B1 (de) |
CN (1) | CN1227778A (de) |
AR (1) | AR014307A1 (de) |
AT (1) | ATE283132T1 (de) |
AU (1) | AU756323B2 (de) |
BR (1) | BR9900188A (de) |
CA (1) | CA2258451C (de) |
CZ (1) | CZ300075B6 (de) |
DE (2) | DE19802809A1 (de) |
DK (1) | DK0931609T3 (de) |
ES (1) | ES2230749T3 (de) |
PL (1) | PL194641B1 (de) |
PT (1) | PT931609E (de) |
RU (1) | RU2240892C2 (de) |
TW (1) | TW448081B (de) |
ZA (1) | ZA99141B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1785206A1 (de) * | 2005-11-10 | 2007-05-16 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zum Kühlen einer Stranggiesskokille mittels Dampf |
WO2008017402A1 (de) | 2006-08-05 | 2008-02-14 | Sms Demag Ag | Stranggiesskokille für flüssige metalle, insbesondere für flüssige stahlwerkstoffe |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100490985B1 (ko) * | 2000-11-25 | 2005-05-24 | 주식회사 포스코 | 연속주조용 깔대기형 주형동판 |
DE10226214A1 (de) * | 2002-06-13 | 2003-12-24 | Sms Demag Ag | Stranggießkokille für flüssige Metalle, insbesondere für flüssigen Stahl |
DE10304543B3 (de) * | 2003-02-04 | 2004-05-27 | Sms Demag Ag | Verfahren und Einrichtung zum Stranggießen von flüssigen Metallen, insbesondere von flüssigen Stahlwerkstoffen |
DE10337205A1 (de) * | 2003-08-13 | 2005-03-10 | Km Europa Metal Ag | Flüssigkeitsgekühlte Kokille |
DE102004021899A1 (de) * | 2004-05-04 | 2005-12-01 | Sms Demag Ag | Gekühlte Stranggießkokille |
DE102007002806A1 (de) * | 2007-01-18 | 2008-07-24 | Sms Demag Ag | Kokille mit Beschichtung |
CZ2016267A3 (cs) * | 2016-05-10 | 2017-06-28 | MATERIÁLOVÝ A METALURGICKÝ VÝZKUM s.r.o. | Kokilová sestava s vodním chlazením |
US11883876B2 (en) | 2017-06-12 | 2024-01-30 | Wagstaff, Inc. | Dynamic mold shape control for direct chill casting |
US10350674B2 (en) | 2017-06-12 | 2019-07-16 | Wagstaff, Inc. | Dynamic mold shape control for direct chill casting |
DE102018123948B3 (de) * | 2018-09-27 | 2019-09-12 | Kme Germany Gmbh & Co. Kg | Kokillenplatte |
CN109822065B (zh) * | 2019-04-11 | 2024-03-22 | 安徽工业大学 | 一种连铸结晶器的宽面铜板及具有该铜板的连铸结晶器 |
DE102021215030A1 (de) * | 2021-12-23 | 2023-06-29 | Sms Group Gmbh | Breitseitenkokillenplatte, Stranggießkokille und Verfahren zum Herstellen einer Breitseitenkokillenplatte |
Family Cites Families (33)
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DE931609C (de) * | 1951-09-26 | 1955-08-11 | Heraeus Gmbh W C | Schaltanordnung zur Unterdrueckung des OEffnungslichtbogens an Schaltern fuer elektrische Stromkreise |
US3595302A (en) * | 1967-05-11 | 1971-07-27 | Schloemann Ag | Cooling structure for continuous-casting mold |
JPS48100321A (de) * | 1972-03-31 | 1973-12-18 | ||
JPS54104451A (en) * | 1978-02-06 | 1979-08-16 | Kawasaki Steel Co | Cooling method for water cool mold in continuous slab casting machine |
AT360189B (de) * | 1978-04-03 | 1980-12-29 | Voest Alpine Ag | Verfahren zum kuehlen einer oszillierenden stahl -stranggiesskokille |
JPS57206555A (en) * | 1981-06-16 | 1982-12-17 | Kawasaki Steel Corp | Cooling method for water cooled mold for continuous casting of slab |
JPS59133940A (ja) * | 1983-01-21 | 1984-08-01 | Mishima Kosan Co Ltd | 連続鋳造用鋳型 |
DE3411359A1 (de) * | 1984-03-28 | 1985-10-31 | Mannesmann AG, 4000 Düsseldorf | Stranggiesskokille fuer rund- bzw. knueppelquerschnitte, insbesondere fuer das vergiessen von fluessigem stahl |
FI852493L (fi) * | 1985-06-24 | 1986-12-25 | Outokumpu Oy | Kokill. |
SU1366282A1 (ru) * | 1986-05-11 | 1988-01-15 | Краматорский Научно-Исследовательский И Проектно-Технологический Институт Машиностроения | Кристаллизатор дл непрерывного лить металлов |
DE3623660A1 (de) * | 1986-07-12 | 1988-01-14 | Thyssen Stahl Ag | Feuerfestes giessrohr |
DE3640525C2 (de) * | 1986-11-27 | 1996-02-15 | Schloemann Siemag Ag | Kokille zum Stranggießen von Stahlband |
JPS6440143A (en) * | 1987-08-06 | 1989-02-10 | Sumitomo Metal Ind | Continuous casting method for sound cast slab |
AT389251B (de) * | 1987-12-23 | 1989-11-10 | Voest Alpine Ind Anlagen | Kuehlung einer stranggiesskokille |
JPH02220748A (ja) * | 1989-02-20 | 1990-09-03 | Sumitomo Metal Ind Ltd | 連続鋳造方法 |
DE3907351C2 (de) * | 1989-03-08 | 1998-09-24 | Schloemann Siemag Ag | Eingießtrichter einer Kokille |
EP0404974B2 (de) * | 1989-06-28 | 1995-12-13 | Wieland-Werke Ag | Stranggiesskokille zum senkrechten Bandgiessen von Metallen |
US5201361A (en) * | 1991-04-16 | 1993-04-13 | Acutus Mold, Inc. | Continuous casting in mold having heated end walls |
DE4127333C2 (de) * | 1991-08-19 | 2000-02-24 | Schloemann Siemag Ag | Stahlstranggießkokille |
US5207266A (en) * | 1992-01-03 | 1993-05-04 | Chuetsu Metal Works Co., Ltd. | Water-cooled copper casting mold |
US5467810A (en) * | 1994-04-01 | 1995-11-21 | Acutus Industries | Continuous metal casting mold |
IT1267244B1 (it) * | 1994-05-30 | 1997-01-28 | Danieli Off Mecc | Procedimento di colata continua per acciai ad alto contenuto di carbonio |
DE69518360T2 (de) * | 1994-06-06 | 2000-12-28 | Danieli & C. Officine Meccaniche S.P.A., Buttrio | Stranggiesskokille mit verbessertem Wärmeaustausch sowie Verfahren zur Erhöhung des Wärmeaustauschs einer Stranggiesskokille |
JP2950152B2 (ja) * | 1994-06-28 | 1999-09-20 | 住友金属工業株式会社 | スラブ用連続鋳造鋳型 |
US5526869A (en) * | 1994-09-29 | 1996-06-18 | Gladwin Corporation | Mold for continuous casting system |
DE19508169C5 (de) * | 1995-03-08 | 2009-11-12 | Kme Germany Ag & Co. Kg | Kokille zum Stranggießen von Metallen |
AUPN811396A0 (en) * | 1996-02-16 | 1996-03-07 | Bhp Steel (Jla) Pty Limited | Roll cooling structure for twin roll continuous caster |
CN1170645C (zh) * | 1996-05-13 | 2004-10-13 | Km欧洲钢铁股份有限公司 | 液体冷却的结晶器 |
DE19716450A1 (de) * | 1996-05-13 | 1998-05-28 | Km Europa Metal Ag | Flüssigkeitsgekühlte Kokille |
JPH1080752A (ja) * | 1996-09-09 | 1998-03-31 | Nkk Corp | 連続鋳造用鋳型 |
US5927378A (en) * | 1997-03-19 | 1999-07-27 | Ag Industries, Inc. | Continuous casting mold and method |
DE19747305A1 (de) * | 1997-10-25 | 1999-04-29 | Km Europa Metal Ag | Kokille für eine Stranggießanlage |
DE10227034A1 (de) | 2002-06-17 | 2003-12-24 | Km Europa Metal Ag | Kupfer-Gießform |
-
1998
- 1998-01-27 DE DE19802809A patent/DE19802809A1/de not_active Withdrawn
-
1999
- 1999-01-08 ZA ZA9900141A patent/ZA99141B/xx unknown
- 1999-01-13 CA CA002258451A patent/CA2258451C/en not_active Expired - Fee Related
- 1999-01-13 AR ARP990100118A patent/AR014307A1/es active IP Right Grant
- 1999-01-19 ES ES99100854T patent/ES2230749T3/es not_active Expired - Lifetime
- 1999-01-19 PT PT99100854T patent/PT931609E/pt unknown
- 1999-01-19 EP EP99100854A patent/EP0931609B1/de not_active Expired - Lifetime
- 1999-01-19 DK DK99100854T patent/DK0931609T3/da active
- 1999-01-19 AT AT99100854T patent/ATE283132T1/de active
- 1999-01-19 DE DE59911117T patent/DE59911117D1/de not_active Expired - Lifetime
- 1999-01-20 KR KR1019990001570A patent/KR100566741B1/ko not_active IP Right Cessation
- 1999-01-25 PL PL331035A patent/PL194641B1/pl unknown
- 1999-01-25 AU AU13220/99A patent/AU756323B2/en not_active Ceased
- 1999-01-26 CN CN99101377A patent/CN1227778A/zh active Pending
- 1999-01-26 RU RU99102238/02A patent/RU2240892C2/ru not_active IP Right Cessation
- 1999-01-26 CZ CZ0026399A patent/CZ300075B6/cs not_active IP Right Cessation
- 1999-01-26 JP JP11017442A patent/JPH11267794A/ja active Pending
- 1999-01-27 TW TW088101120A patent/TW448081B/zh not_active IP Right Cessation
- 1999-01-27 BR BR9900188-8A patent/BR9900188A/pt not_active Application Discontinuation
- 1999-08-11 US US09/372,636 patent/US6926067B1/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1785206A1 (de) * | 2005-11-10 | 2007-05-16 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zum Kühlen einer Stranggiesskokille mittels Dampf |
WO2008017402A1 (de) | 2006-08-05 | 2008-02-14 | Sms Demag Ag | Stranggiesskokille für flüssige metalle, insbesondere für flüssige stahlwerkstoffe |
Also Published As
Publication number | Publication date |
---|---|
CA2258451A1 (en) | 1999-07-27 |
PT931609E (pt) | 2005-01-31 |
KR19990068007A (ko) | 1999-08-25 |
CN1227778A (zh) | 1999-09-08 |
KR100566741B1 (ko) | 2006-04-03 |
BR9900188A (pt) | 2000-01-04 |
ATE283132T1 (de) | 2004-12-15 |
RU2240892C2 (ru) | 2004-11-27 |
JPH11267794A (ja) | 1999-10-05 |
ES2230749T3 (es) | 2005-05-01 |
EP0931609A1 (de) | 1999-07-28 |
CZ300075B6 (cs) | 2009-01-21 |
CA2258451C (en) | 2005-03-29 |
TW448081B (en) | 2001-08-01 |
US6926067B1 (en) | 2005-08-09 |
DE19802809A1 (de) | 1999-07-29 |
PL194641B1 (pl) | 2007-06-29 |
CZ26399A3 (cs) | 2000-05-17 |
AU756323B2 (en) | 2003-01-09 |
ZA99141B (en) | 1999-07-09 |
PL331035A1 (en) | 1999-08-02 |
AU1322099A (en) | 1999-08-19 |
DK0931609T3 (da) | 2005-03-29 |
AR014307A1 (es) | 2001-02-07 |
DE59911117D1 (de) | 2004-12-30 |
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