EP0842001A1 - Moule en fonte pour plaques permettant de produire des barres d'acier - Google Patents
Moule en fonte pour plaques permettant de produire des barres d'acierInfo
- Publication number
- EP0842001A1 EP0842001A1 EP96930954A EP96930954A EP0842001A1 EP 0842001 A1 EP0842001 A1 EP 0842001A1 EP 96930954 A EP96930954 A EP 96930954A EP 96930954 A EP96930954 A EP 96930954A EP 0842001 A1 EP0842001 A1 EP 0842001A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- side walls
- mold
- plate mold
- mold according
- temperature sensors
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 6
- 239000010959 steel Substances 0.000 title claims description 6
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 230000010355 oscillation Effects 0.000 claims abstract description 8
- 239000002826 coolant Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract 2
- 238000005266 casting Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000007654 immersion Methods 0.000 description 16
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002893 slag Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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
- B22D11/055—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
Definitions
- the invention relates to a plate mold for producing strands of steel, in particular thin slabs, with water-cooled narrow side walls that can be clamped between wide side walls and with devices for adjusting the cavity formed by the narrow and wide side walls into different strand dimensions and the casting cone and with an oscillation device.
- Mold walls have cooling chambers that include certain cooling areas.
- Measuring elements for determining the amount of heat dissipated or the cooling capacities are connected to the water supply and drain lines on the broad sides. Furthermore, an average value of the cooling capacity of the cooling chambers is simultaneously formed in the measuring elements, which is fed to an average former with which the conicity of the narrow sides can be controlled.
- the broad side walls are divided into at least three mutually independent cooling segments in the casting direction. These cooling segments are arranged in such a way that the respective outer ones have the same structure and enclose between them a middle segment which can be divided into several zones.
- actuators are used to control:
- Outlet water temperature and the amount of water measured, the amounts of water can also be controlled independently.
- the arrangement according to the invention in at least three zones and the comparison of the specific heat flows in these zones with respect to one another makes it possible to recognize an asymmetry, particularly in relation to that in the immersion pouring area. A non-uniform heat transfer due to turbulence of the steel in the mold can also be seen.
- a possible deviation in the center of the mold goes hand in hand with longitudinal cracks in the surface of the strand to breakthroughs (adhesive). These longitudinal cracks occur particularly in the middle slab area next to the center axis in the area of the immersion spout, that is to say in the area of the relatively thinner slag lubrication film.
- This thinner slag lubrication film leads to an increased heat flow and thus to a non-uniform partial strand shell formation with regard to the increased Thickness, the reduced temperature and the increased shrinkage.
- This non-uniform partial strand shell formation leads to longitudinal cracks and, in extreme cases, to the sticking of the strand in the middle of the broadside of the mold and to breakthrough.
- the device reveals a migration of the strand in the direction of one of the narrow sides with a corresponding risk of breakthrough due to hangers, which can then be counteracted by conicity control.
- the invention therefore not only allows the casting parameters to be changed during the casting, in particular for securing breakthroughs, but also the development of the mold shape in conjunction with the immersion pouring mold, both inside and outside, and of the casting powder to form an optimal “mold” system.
- FIG. 1 shows schematically the structure of a plate mold in cross section and FIG. 2 in longitudinal section.
- a top view of the mold is shown in the upper part of the picture.
- a straight-walled mold is shown for the continuous casting of slabs.
- the broad sides have a first side segment 11 and a center segment 13, each of which has chambers, or a first segment 21 and a center segment 23, which have vertically arranged bores for guiding the cooling water.
- a narrow side 31 adjustable via an adjusting device 33 is clamped between the broad sides.
- a so-called dent mold is shown in the right part of the picture. It has a width segment 12 and also a center segment 13, each of which has cooling chambers, or a side segment 22 and a center segment 23, which has cooling bores.
- the center segments 13 and 23 are further divided into zones 14 and 15 or 24 and 25.
- a narrow side 32 is clamped between the broad sides 12 and 22 and is adjustable for an adjusting device 33 by means of an actuator 63.
- the broad sides 11 to 15 and 21 to 25 and the narrow sides 31 and 32 have feeders 51, 53, 55, 57 and discharges 52, 54, 56 and 58 through which a
- Coolant can be supplied and removed.
- An immersion pouring tube 41 or 42 is introduced into the mold interior of the mold.
- thermal sensors 61 and 64 are arranged, which are connected to a controller 62, which acts on the actuator 63 or an oscillation device, not shown .
- the side view of the mold is shown with the identical positions already mentioned.
- the lower adjusting device 34 or 36 of the narrow sides 31 or 32 is shown.
- the die mouth is designated 29 Position list
- Coolant system 51 Inlet side segment 1 52 Drain side segment 1 53 Center segment feed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Confectionery (AREA)
- Metal Extraction Processes (AREA)
- Ropes Or Cables (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Coating With Molten Metal (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19529931 | 1995-08-02 | ||
| DE19529931A DE19529931C1 (de) | 1995-08-02 | 1995-08-02 | Plattenkokille zur Erzeugung von Strängen aus Stahl |
| PCT/DE1996/001445 WO1997004900A1 (fr) | 1995-08-02 | 1996-07-29 | Moule en fonte pour plaques permettant de produire des barres d'acier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0842001A1 true EP0842001A1 (fr) | 1998-05-20 |
| EP0842001B1 EP0842001B1 (fr) | 2001-03-21 |
Family
ID=7769493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96930954A Expired - Lifetime EP0842001B1 (fr) | 1995-08-02 | 1996-07-29 | Moule en fonte pour plaques permettant de produire des barres d'acier |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6176295B1 (fr) |
| EP (1) | EP0842001B1 (fr) |
| JP (1) | JP3034957B2 (fr) |
| KR (1) | KR100296188B1 (fr) |
| CN (1) | CN1075966C (fr) |
| AT (1) | ATE199846T1 (fr) |
| AU (1) | AU6983896A (fr) |
| BR (1) | BR9609810A (fr) |
| DE (3) | DE19529931C1 (fr) |
| ES (1) | ES2155199T3 (fr) |
| RU (1) | RU2142863C1 (fr) |
| WO (1) | WO1997004900A1 (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19722877C2 (de) * | 1997-05-31 | 1999-09-09 | Schloemann Siemag Ag | Flüssigkeitsgekühlte Stranggießkokille |
| DE19725433C1 (de) * | 1997-06-16 | 1999-01-21 | Schloemann Siemag Ag | Verfahren und Vorrichtung zur Durchbruchfrüherkennung beim Stranggießen von Stahl mit einer oszillierenden Kokille |
| DE19810672B4 (de) * | 1998-03-12 | 2006-02-09 | Sms Demag Ag | Verfahren und Stranggießkokille zum Erzeugen von Brammensträngen, insbesondere aus Stahl |
| DE19823797A1 (de) * | 1998-05-28 | 1999-12-09 | Daimler Chrysler Ag | Vorrichtung und Verfahren zum Stranggießen von Werkstücken |
| EP0992304B1 (fr) * | 1998-08-24 | 2003-10-01 | SMS Demag AG | Procédé pour mesurer et régler la température et la quantité de l'eau de refroidissement dans les parois d'une lingotière de coulée continue |
| DE19918835A1 (de) * | 1998-12-23 | 2000-07-06 | Sms Demag Ag | Verfahren zum Erfassen und Regeln der Füllstandshöhe des flüssigen Metalls in einer Kokille |
| DE19956577A1 (de) | 1999-11-25 | 2001-05-31 | Sms Demag Ag | Verfahren zum Stranggießen von Brammen, insbesondere von Dünnbrammen, sowie eine Vorrichtung zu dessen Durchführung |
| ATE299766T1 (de) * | 2000-04-25 | 2005-08-15 | Sms Demag Ag | Verfahren und vorrichtung zur thermischen kontrolle einer stranggiesskokille |
| DE10148150B4 (de) * | 2001-09-28 | 2014-05-22 | Egon Evertz Kg (Gmbh & Co.) | Flüssigkeitsgekühlte Stranggießkokille |
| US6857464B2 (en) * | 2002-09-19 | 2005-02-22 | Hatch Associates Ltd. | Adjustable casting mold |
| DE10304543B3 (de) * | 2003-02-04 | 2004-05-27 | Sms Demag Ag | Verfahren und Einrichtung zum Stranggießen von flüssigen Metallen, insbesondere von flüssigen Stahlwerkstoffen |
| CN102266919B (zh) * | 2011-08-03 | 2013-09-18 | 田志恒 | 结晶器在线热调宽系统及方法 |
| CN102581238B (zh) * | 2012-03-07 | 2013-12-18 | 苏州有色金属研究院有限公司 | 一种铝合金半连续铸造冷却强度可变的结晶器 |
| DE102017220616A1 (de) * | 2017-11-17 | 2019-05-23 | Sms Group Gmbh | Dünnbrammengießanlage mit wechselbarem Maschinenkopf |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1327931A (fr) * | 1962-04-13 | 1963-05-24 | Machine pour la coulée de pièces métalliques de longueur indéterminée, en particulier de tubes en bronze | |
| FR1493301A (fr) * | 1966-09-20 | 1967-08-25 | United States Steel Corp | Lingotière de coulée continue soudée |
| CH552423A (de) * | 1972-04-18 | 1974-08-15 | Concast Ag | Verfahren und vorrichtung zum steuern des waermeentzuges in kokillen beim stranggiessen. |
| CH558687A (de) * | 1973-03-30 | 1975-02-14 | Concast Ag | Verfahren zum steuern der kuehlleistung von schmalseitenwaenden bei plattenkokillen beim stranggiessen und plattenkokille zur durchfuehrung des verfahrens. |
| SU917899A1 (ru) * | 1980-09-02 | 1982-04-07 | Всесоюзный Научно-Исследовательский Институт Автоматизации Черной Металлургии | Устройство автоматического управлени машиной непрерывного лить металла |
| EP0101521B1 (fr) * | 1982-02-24 | 1986-11-05 | Kawasaki Steel Corporation | Procede de commande d'installation de moulage en continu |
| FR2541606A1 (fr) * | 1983-02-28 | 1984-08-31 | Fives Cail Babcock | Procede pour modifier la largeur d'une brame coulee en continu sans interrompre la coulee |
| JPS59199156A (ja) * | 1983-04-28 | 1984-11-12 | Nippon Steel Corp | 金属の連続鋳造用鋳型の振動制御方法 |
| FR2569361B1 (fr) * | 1984-08-24 | 1987-02-27 | Fives Cail Babcock | Procede de reglage de l'inclinaison des petits cotes d'une lingotiere de coulee continue a brames |
| DE4117073A1 (de) * | 1991-05-22 | 1992-11-26 | Mannesmann Ag | Temperaturmessung brammenkokille |
| RU2015806C1 (ru) * | 1992-08-20 | 1994-07-15 | Производственное объединение "Южуралмаш" | Способ непрерывной разливки металлов |
| AT405253B (de) * | 1994-10-11 | 1999-06-25 | Voest Alpine Ind Anlagen | Stranggiesskokille |
-
1995
- 1995-08-02 DE DE19529931A patent/DE19529931C1/de not_active Expired - Fee Related
-
1996
- 1996-07-29 CN CN96196667A patent/CN1075966C/zh not_active Expired - Fee Related
- 1996-07-29 AT AT96930954T patent/ATE199846T1/de not_active IP Right Cessation
- 1996-07-29 US US09/011,344 patent/US6176295B1/en not_active Expired - Fee Related
- 1996-07-29 EP EP96930954A patent/EP0842001B1/fr not_active Expired - Lifetime
- 1996-07-29 DE DE59606639T patent/DE59606639D1/de not_active Expired - Fee Related
- 1996-07-29 AU AU69838/96A patent/AU6983896A/en not_active Abandoned
- 1996-07-29 ES ES96930954T patent/ES2155199T3/es not_active Expired - Lifetime
- 1996-07-29 RU RU98103467/02A patent/RU2142863C1/ru not_active IP Right Cessation
- 1996-07-29 KR KR1019980700749A patent/KR100296188B1/ko not_active IP Right Cessation
- 1996-07-29 JP JP9507118A patent/JP3034957B2/ja not_active Expired - Lifetime
- 1996-07-29 DE DE19680629T patent/DE19680629D2/de not_active Expired - Lifetime
- 1996-07-29 BR BR9609810A patent/BR9609810A/pt not_active IP Right Cessation
- 1996-07-29 WO PCT/DE1996/001445 patent/WO1997004900A1/fr active IP Right Grant
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9704900A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3034957B2 (ja) | 2000-04-17 |
| DE59606639D1 (de) | 2001-04-26 |
| DE19529931C1 (de) | 1997-04-03 |
| KR100296188B1 (ko) | 2001-10-26 |
| CN1075966C (zh) | 2001-12-12 |
| EP0842001B1 (fr) | 2001-03-21 |
| ES2155199T3 (es) | 2001-05-01 |
| BR9609810A (pt) | 1999-07-06 |
| JPH11500361A (ja) | 1999-01-12 |
| CN1195307A (zh) | 1998-10-07 |
| WO1997004900A1 (fr) | 1997-02-13 |
| KR19990036083A (ko) | 1999-05-25 |
| RU2142863C1 (ru) | 1999-12-20 |
| US6176295B1 (en) | 2001-01-23 |
| AU6983896A (en) | 1997-02-26 |
| ATE199846T1 (de) | 2001-04-15 |
| DE19680629D2 (de) | 1998-07-23 |
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