EP1792676B1 - Kokille zum Stranggiessen von Metall - Google Patents

Kokille zum Stranggiessen von Metall Download PDF

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Publication number
EP1792676B1
EP1792676B1 EP06023082A EP06023082A EP1792676B1 EP 1792676 B1 EP1792676 B1 EP 1792676B1 EP 06023082 A EP06023082 A EP 06023082A EP 06023082 A EP06023082 A EP 06023082A EP 1792676 B1 EP1792676 B1 EP 1792676B1
Authority
EP
European Patent Office
Prior art keywords
cooling grooves
cooling
grooves
mould pipe
width
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.)
Not-in-force
Application number
EP06023082A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1792676A1 (de
Inventor
Hans-Günter Dr. Wobker
Gerhard HUGENSCHÜTT
Raimund Boldt
Dietmar Kolbeck
Frank Maiwald
Hans-Dirk Piwowar
Daniel Reinelt
Dirk Dr. Rode
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.)
KME Special Products GmbH and Co KG
Original Assignee
KME Germany GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KME Germany GmbH filed Critical KME Germany GmbH
Publication of EP1792676A1 publication Critical patent/EP1792676A1/de
Application granted granted Critical
Publication of EP1792676B1 publication Critical patent/EP1792676B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
    • 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
    • C22C9/00—Alloys based on copper

Definitions

  • the invention relates to a mold tube for the continuous casting of metal with the features of the preamble of claim 1.
  • Mold tubes usually have a uniform wall thickness in a horizontal cross-sectional plane, which increases in the strand direction due to the internal conicity of the mold tube.
  • the internal conicity is adapted to the solidification behavior of the strand and the continuous casting parameters. Shortly after the onset of solidification of the continuous casting material, ie immediately below the casting level, it comes due to the upper cross-section three-dimensional pronounced heat flow to a very different pronounced Abkühlungsverhaken the cast strand.
  • the invention is based on the object of the present invention to provide a mold tube with which the homogeneity of the strand cooling is increased even further, in order to realize higher gliding performances and a better strand quality and which also helps to reduce stresses within the mold wall ,
  • the cooling effect of the mold tube is optimized so that it corresponds to the heat supply of the strand, thereby to come to a uniform cooling. This is achieved in that the depth and width of the cooling grooves in the middle of a side wall of the mold is largest and decreases in the direction of the corner regions of the side wall. It is crucial that the cross-sectional area of the cooling grooves in the middle region of a side wall is greater than in the edge region of a side wall. It has been shown that by introducing the cooling grooves in the manner according to the invention, the maximum comparison stresses occurring in the side wall can be significantly reduced. Ideal elastic strength calculations have confirmed that the comparative stress can be reduced by more than 30% from 504 MPa to 348 MPa.
  • This information refers to a mold cross-section of 130x130 mm, wherein a mold tube without grooves has been compared to a mold tube with the inventively designed grooves.
  • the achieved in this way reducing the stresses in the mold tube has an advantageous effect on the life and reduces the thermally induced distortion of the mold tube.
  • the mold tube according to the invention has in this calculation on each side wall eight grooves at a distance of 5 mm with a length extending in the casting direction of 200 mm.
  • the middle grooves have a depth of 5 mm, whereas the outer grooves have a depth of 4 mm with a width of 12 mm or 8 mm.
  • the cooling grooves have a depth of 3 mm - 6 mm. It should not fall below a residual wall thickness of 6 mm between thedenutentiefsten and Kokillenrohrinnenseite.
  • no cooling grooves are provided in the side wall at a distance of 10 mm to 15 mm from the Radluseckenbamich in order not to increase the cooling here and not to weaken the rigidity of the mold unnecessarily.
  • the width of the cooling grooves is preferably between 5 mm - 20 mm to choose.
  • the cooling grooves are considered between 1 and 4. Deviating conditions have unfavorable influences on the flow conditions and thus on the cooling capacity and the rigidity of the mold tube in the bath level range.
  • the cooling grooves are preferably provided in the groove bottom with a small transition radius to the groove walls in order to avoid voltage peaks there.
  • the cooling grooves ideally have a radius in the inlet and outlet areas, which contributes to Stromungsopammaschine the cooling water and to reduce pressure losses.
  • the aim is for the width of the cooling grooves to increase toward the middle of the side wall and, in addition, for the depth to increase toward the middle.
  • the different Riehnutengeometrie can be prepared either by machining the Kokillenrohrs or by chipless machining during forming of the mold tube.
  • the cooling grooves are arranged in an area which starts about 50 mm above the glass mirror roller bearing and extends to about 300 mm below the G manLite desired position, since in this area the largest Wämestromêtn occur and thus the stresses in the side wall of the Kokillenrohrs are maximum.
  • the inventively designed grooves start about 50 mm above the G confuseLitesolllage and extend to 300 mm below the G confuseLitesolllage.
  • FIGS. 1 a and 1b show once in perspective and once in an enlargement of the perspective view of a mold tube 1, which is positioned in a manner not shown in a water tank.
  • the special feature of this mold tube 1 are specially configured cooling grooves 2, which are formed on the outer surface 3 of the mold tube 1.
  • the cooling grooves 2 do not extend over the entire length of the mold tube 1, but are located exclusively in the upper, inflow-side region of the mold tube 1. In this incidentsbelspiel the cooling grooves 2 have a length of 200 mm.
  • the cooling grooves 2 are located in the region of the G confusesolllage, which in the upper quarter of the illustrated cooling grooves. 2 lies.
  • cooling grooves 2 of this Kokillenrohrs are not all the same width and depth, but differ both in width and in depth.
  • the outer, the corner regions 4 facing cooling grooves 2a and 2b are narrower than the lying in the central region of the respective side wall cooling grooves 2c.
  • the middle cooling grooves 2c have a width of 12 mm
  • the four outer cooling grooves 2a and 2b may have a width of 8 mm. All cooling grooves 2a, 2b, 2c have the same length. However, not only does the width of the cooling grooves 2a, 2b, 2c vary, but also their depth.
  • each end have a radius 5.
  • the transition of the radius 5 to the lowest of the individual cooling grooves 2a, 2b, 2c can be seen by a horizontal line , In the central cooling grooves 2c, the depth is recognizable to be greatest.
  • the depth of the outside adjacent cooling grooves 2b is slightly smaller. The depth is the smallest at the outside, the corner regions 4 facing cooling grooves 2c.
  • the corner regions 4 are not provided with cooling grooves.
  • the mold tube is fastened with a water guide plate not shown in the water tank, so that the cooling water is pressed into the individual cooling channels 2a, 2b, 2c.
  • the water deflectors are arranged so that the mold tube is held centrally in the water gap.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Continuous Casting (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
EP06023082A 2005-12-05 2006-11-07 Kokille zum Stranggiessen von Metall Not-in-force EP1792676B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005058088 2005-12-05
DE102006001812A DE102006001812A1 (de) 2005-12-05 2006-01-12 Kokille zum Stranggießen von Metall

Publications (2)

Publication Number Publication Date
EP1792676A1 EP1792676A1 (de) 2007-06-06
EP1792676B1 true EP1792676B1 (de) 2009-12-30

Family

ID=37882547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06023082A Not-in-force EP1792676B1 (de) 2005-12-05 2006-11-07 Kokille zum Stranggiessen von Metall

Country Status (11)

Country Link
US (1) US20070125512A1 (zh)
EP (1) EP1792676B1 (zh)
JP (1) JP5046626B2 (zh)
KR (1) KR20070058968A (zh)
CN (1) CN1978091B (zh)
AT (1) ATE453472T1 (zh)
BR (1) BRPI0605174A (zh)
CA (1) CA2570085C (zh)
DE (2) DE102006001812A1 (zh)
ES (1) ES2337281T3 (zh)
RU (1) RU2415731C2 (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101111738B1 (ko) 2010-01-29 2012-02-15 주식회사 풍산 주조용 몰드 플레이트, 몰드 플레이트 어셈블리 및 몰드
WO2011093564A1 (ko) * 2010-01-29 2011-08-04 주식회사 풍산 주조용 몰드 플레이트, 몰드 플레이트 어셈블리 및 몰드
WO2011093562A1 (ko) * 2010-01-29 2011-08-04 주식회사 풍산 주조용 몰드 플레이트, 몰드 플레이트 어셈블리 및 몰드
KR101172329B1 (ko) 2010-05-04 2012-08-14 메탈젠텍 주식회사 주조용 몰드 플레이트, 몰드 플레이트 어셈블리 및 몰드
KR101172330B1 (ko) 2010-05-04 2012-08-14 메탈젠텍 주식회사 주조용 배면 몰드플레이트, 주조용 몰드플레이트 어셈블리 및 이를 구비하는 주조용 몰드
IT1403036B1 (it) * 2010-11-25 2013-09-27 Danieli Off Mecc Cristallizzatore per colata continua
IT1403035B1 (it) * 2010-11-25 2013-09-27 Danieli Off Mecc Cristallizzatore per colata continua
DE102011106313A1 (de) 2011-06-27 2012-12-27 Kme Germany Ag & Co. Kg Verfahren zur Herstellung eines Kokillenrohrs
DE102011056410B4 (de) 2011-12-14 2013-06-27 Wago Verwaltungsgesellschaft Mbh Anschlussklemme
ITUD20110211A1 (it) 2011-12-23 2013-06-24 Danieli Off Mecc Cristallizzatore per colata continua
AT512433B1 (de) * 2012-01-30 2017-08-15 Primetals Technologies Austria GmbH Durchlaufkokille zum stranggiessen eines strangs mit knüppel- oder vorblockprofil
ITUD20130090A1 (it) * 2013-06-28 2014-12-29 Danieli Off Mecc Cristallizzatore per colata continua e procedimento per la sua realizzazione
EP3424614A1 (de) 2017-07-03 2019-01-09 Primetals Technologies Austria GmbH Einbau eines faseroptischen temperatursensors in eine kokille und kokille mit mehreren faseroptischen temperatursensoren
CN110666116A (zh) * 2019-11-21 2020-01-10 西峡龙成特种材料有限公司 一种结晶器铜板和连铸结晶器
WO2023041814A1 (es) * 2021-09-20 2023-03-23 Sarralle Steel Melting Plant, S.L. Conjunto para molde de colada continua
CN114700472B (zh) * 2022-03-28 2024-01-26 广西钢铁集团有限公司 一种用于直轧的无缺陷铸坯生产方法
CN115351248B (zh) * 2022-10-18 2023-01-06 东北大学 一种用于高拉速连铸的结晶器铜管

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3595302A (en) * 1967-05-11 1971-07-27 Schloemann Ag Cooling structure for continuous-casting mold
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.
AT389251B (de) * 1987-12-23 1989-11-10 Voest Alpine Ind Anlagen Kuehlung einer stranggiesskokille
JPH0673718B2 (ja) * 1989-05-26 1994-09-21 新日本製鐵株式会社 鋳片コーナー割れ抑止用連続鋳造鋳型
US5207266A (en) * 1992-01-03 1993-05-04 Chuetsu Metal Works Co., Ltd. Water-cooled copper casting mold
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
JPH09276994A (ja) * 1996-04-22 1997-10-28 Nippon Steel Corp 連続鋳造用鋳型
US6338380B1 (en) * 2001-04-27 2002-01-15 O'dwyer James P. Multiport mold cooling apparatus for continuous casting
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
JP3930761B2 (ja) * 2002-04-17 2007-06-13 株式会社神戸製鋼所 チューブ方式連続鋳造用鋳型
DE50300582D1 (de) * 2003-04-16 2005-06-30 Concast Holding Ag Zuerich Rohrkokille zum Stranggiessen
CN2681837Y (zh) * 2004-01-12 2005-03-02 宝山钢铁股份有限公司 薄板坯连铸结晶器宽面铜板

Also Published As

Publication number Publication date
CA2570085C (en) 2012-07-10
CA2570085A1 (en) 2007-06-05
BRPI0605174A (pt) 2007-10-09
ATE453472T1 (de) 2010-01-15
CN1978091A (zh) 2007-06-13
DE102006001812A1 (de) 2007-06-06
CN1978091B (zh) 2011-04-13
KR20070058968A (ko) 2007-06-11
JP2007152432A (ja) 2007-06-21
DE502006005774D1 (de) 2010-02-11
RU2006142826A (ru) 2008-06-10
ES2337281T3 (es) 2010-04-22
US20070125512A1 (en) 2007-06-07
RU2415731C2 (ru) 2011-04-10
JP5046626B2 (ja) 2012-10-10
EP1792676A1 (de) 2007-06-06

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