ATE195450T1 - CONTINUOUS CASTING MOLD WITH IMPROVED HEAT EXCHANGE AND METHOD FOR INCREASE THE HEAT EXCHANGE OF A CONTINUOUS CASTING MOLD - Google Patents

CONTINUOUS CASTING MOLD WITH IMPROVED HEAT EXCHANGE AND METHOD FOR INCREASE THE HEAT EXCHANGE OF A CONTINUOUS CASTING MOLD

Info

Publication number
ATE195450T1
ATE195450T1 AT95107851T AT95107851T ATE195450T1 AT E195450 T1 ATE195450 T1 AT E195450T1 AT 95107851 T AT95107851 T AT 95107851T AT 95107851 T AT95107851 T AT 95107851T AT E195450 T1 ATE195450 T1 AT E195450T1
Authority
AT
Austria
Prior art keywords
crystalliser
heat exchange
continuous casting
circulation channels
cooling fluid
Prior art date
Application number
AT95107851T
Other languages
German (de)
Inventor
Giampietro Benedetti
Gianni Gensini
Milorad Pavlicevic
Alfredo Poloni
Original Assignee
Danieli Off Mecc
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
Priority claimed from IT94UD000096 external-priority patent/IT1267249B1/en
Application filed by Danieli Off Mecc filed Critical Danieli Off Mecc
Application granted granted Critical
Publication of ATE195450T1 publication Critical patent/ATE195450T1/en

Links

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
    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould

Abstract

Method to increased the heat exchange in the cooling and removal of heat from at least one sidewall of a crystalliser (11) employed in the continuous casting of billets, blooms or slabs (24), and associated with a mould (10), the crystalliser (11) cooperating externally with a box-shaped structure (13) creating cooling chambers (14), in which a cooling fluid circulates, and cooperating internally with the skin of the billets, blooms or slabs (24) being formed, the cooling chambers (14) containing intermediate walls (20) creating circulation channels (21) in cooperation with the outer surfaces (12) of the sidewalls of the crystalliser (11), at least one upper zone (34) being included in cooperation at least with the vicinity of the meniscus and with the portion below the meniscus (33) of liquid metal, a lower zone (26) being also included and beginning in the vicinity of the zone of separation of the forming skin from the inner surfaces (12) of the crystalliser (11) and extending towards the outlet of the crystalliser (11), in which method by acting on the cross-section and/or conformation of at least one longitudinal portion of at least one side of the cross-section of the circulation channels (21) and on the different pressures of the cooling fluid present between the inlet and outlet of that longitudinal portion of the circulation channels (21) a desired turbulence of the cooling fluid is created which is such as to increase the coefficient of heat exchange to a value greater than 40,000 W/m<2> K. Crystalliser for the continuous casting of billets, blooms or slabs (24), which is associated with a mould (10) and cooperates externally with a box-shaped structure (13) creating cooling chambers (14), in which a cooling fluid circulates, and cooperates internally with the skin of the billets, blooms or slabs (24) being formed, the cooling chambers (14) containing intermediate walls (20) creating circulation channels (21) in cooperation with the outer surfaces (12) of the crystalliser (11), there being included at least one upper zone (34) cooperating at least with the vicinity of, and with the part below, the meniscus (33) of liquid metal, and a lower zone (26) beginning in the vicinity of the zone of separation of the forming skin from the inner surfaces of the crystalliser (11) and extending towards the outlet of the crystalliser (11), the crystalliser (11) employing the method of one or another of the claims hereinebfore and including sidewalls of a thickness between 4 and 15 mm., at least part of at least one wall of the circulation channels (21) including elements (18) to disturb the flow of cooling fluid. <IMAGE>
AT95107851T 1994-06-06 1995-05-23 CONTINUOUS CASTING MOLD WITH IMPROVED HEAT EXCHANGE AND METHOD FOR INCREASE THE HEAT EXCHANGE OF A CONTINUOUS CASTING MOLD ATE195450T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT94UD000096 IT1267249B1 (en) 1994-06-06 1994-06-06 Controlling the deformation of the sidewalls of a crystalliser - so that deformation is almost nil and greater extraction speeds are achieved
ITUS950014 1995-02-06

Publications (1)

Publication Number Publication Date
ATE195450T1 true ATE195450T1 (en) 2000-09-15

Family

ID=26332512

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95107851T ATE195450T1 (en) 1994-06-06 1995-05-23 CONTINUOUS CASTING MOLD WITH IMPROVED HEAT EXCHANGE AND METHOD FOR INCREASE THE HEAT EXCHANGE OF A CONTINUOUS CASTING MOLD

Country Status (3)

Country Link
EP (1) EP0686446B1 (en)
AT (1) ATE195450T1 (en)
ES (1) ES2148375T3 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5522448A (en) * 1994-09-27 1996-06-04 Aluminum Company Of America Cooling insert for casting mold and associated method
AUPN872596A0 (en) * 1996-03-19 1996-04-18 Bhp Steel (Jla) Pty Limited Strip casting
IT1310518B1 (en) 1999-01-13 2002-02-18 Danieli Off Mecc DEVICE FOR CONTINUOUS HIGH SPEED CASTING AND RELATED PROCESS
IT1310517B1 (en) * 1999-01-13 2002-02-18 Danieli Off Mecc CONTINUOUS CASTING CRYSTALLIZER
DE102007002405A1 (en) 2007-01-17 2008-07-24 Sms Demag Ag Continuous casting mold with coolant channel
JP5896811B2 (en) * 2012-04-02 2016-03-30 株式会社神戸製鋼所 Mold for continuous casting of ingot made of titanium or titanium alloy and continuous casting apparatus provided with the same
ITUD20130053A1 (en) * 2013-04-23 2014-10-24 Danieli Off Mecc APPARATUS FOR CONTINUOUS CASTING
CN104624990B (en) * 2015-02-26 2023-08-25 周嘉平 Copper pipe of uniform cooling crystallizer and manufacturing method thereof
CN112427618B (en) * 2020-11-23 2022-01-11 宁波欣昊机械有限公司 Die casting die with heating mechanism

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520352A (en) * 1967-10-19 1970-07-14 Koppers Co Inc Continuous casting mold having insulated portions
AT281330B (en) * 1968-06-05 1970-05-11 Wiener Schwachstromwerke Gmbh Device for continuous casting with a cooling device surrounding the continuous mold
DE2106634A1 (en) * 1971-02-12 1972-08-24 Mitsubishi Kinzoku Kogyo K.K., Tokio Graphite wall continuous casting mould - with a metal skin
CH558687A (en) * 1973-03-30 1975-02-14 Concast Ag PROCESS FOR CONTROLLING THE COOLING CAPACITY OF NARROW SIDE WALLS IN PLATE CHILLES DURING CONTINUOUS CASTING AND PLATE CHILLES FOR CARRYING OUT THE PROCESS.
AT359225B (en) * 1978-03-23 1980-10-27 Voest Alpine Ag TURNING FRAME CONTINUOUS CHOCOLATE
JPS6057935B2 (en) * 1982-08-20 1985-12-17 川崎製鉄株式会社 Continuous casting mold
DE3423475C2 (en) * 1984-06-26 1986-07-17 Mannesmann AG, 4000 Düsseldorf Method and device for the continuous casting of liquid metals, in particular of liquid steel
FR2661120B3 (en) * 1990-04-20 1992-04-03 Siderurgie Fse Inst Rech LIQUID METAL CONTINUOUS CASTING MACHINE PROVIDED WITH LIQUID METAL SOLIDIFICATION CONTROL MEANS.
DE4127333C2 (en) * 1991-08-19 2000-02-24 Schloemann Siemag Ag Continuous casting mold
EP0686445B1 (en) * 1994-06-06 2000-08-16 DANIELI &amp; C. OFFICINE MECCANICHE S.p.A. Method to control the deformations of the sidewalls of a crystalliser, and continuous-casting crystalliser

Also Published As

Publication number Publication date
EP0686446A1 (en) 1995-12-13
EP0686446B1 (en) 2000-08-16
ES2148375T3 (en) 2000-10-16

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee