EP0842001B1 - Plattenkokille zur erzeugung von strängen aus stahl - Google Patents
Plattenkokille zur erzeugung von strängen aus stahl Download PDFInfo
- Publication number
- EP0842001B1 EP0842001B1 EP96930954A EP96930954A EP0842001B1 EP 0842001 B1 EP0842001 B1 EP 0842001B1 EP 96930954 A EP96930954 A EP 96930954A EP 96930954 A EP96930954 A EP 96930954A EP 0842001 B1 EP0842001 B1 EP 0842001B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- side walls
- mold
- broad
- temperature sensors
- narrow
- 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
- 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 15
- 230000010355 oscillation Effects 0.000 claims abstract description 9
- 239000002826 coolant Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 3
- 238000005266 casting Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims 1
- 238000007654 immersion Methods 0.000 description 13
- 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
- 230000009189 diving Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 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
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000002023 somite Anatomy 0.000 description 1
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
- B22D11/055—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.
- DE 24 15 224 C3 discloses a plate mold for slabs, the mold walls of which Have cooling chambers that include certain cooling areas.
- Have cooling chambers that include certain cooling areas.
- To the water supply and - Drain lines of the broad sides are measuring elements for determining the discharged Heat quantity or the cooling capacities connected. Furthermore, in the measuring elements at the same time an average value of the cooling capacity of the cooling chambers is formed, which is fed to an average former with which the conicity of the narrow sides is controlled can be.
- the invention has therefore set itself the goal of a generic plate mold for Casting speed between 1.5 and 8 m / min to create an easy and safe Temperature control including the middle of the broadside in the area of the immersion spout enables.
- a plate mold with water-cooled Narrow side walls that can be clamped between broad side walls, the Broad side walls at least three side by side and independent of each other Have cooling segments, are divided symmetrically to the center axis of the mold and in Separate connections for the independent supply of a Have liquid cooling medium, and with means for adjusting the of the Narrow and wide side walls formed mold cavity to different Strand dimensions and the casting cone, and with an oscillation device, and with in the wall sensors of the chambers facing the strand, with which at least the temperature differences between the individual chambers or Zones are detected and temperature sensors in the coolant supply and discharge lines are arranged, the temperature sensors as well as the temperature sensors with a Connect controller, which controls the taper of the narrow sides via an actuator and / or the comparison of the specific heat flows per chamber or zone to one another by changing the oscillation parameters.
- the inlet and Outlet water temperature and the amount of water measured can also be regulated independently of one another.
- the arrangement according to the invention in at least three zones and the comparison of the specific heat flows in these zones to each other allows an asymmetry especially to be recognized in the diving spout area.
- a non-uniform Heat transfer due to turbulence of the steel in the mold is also recognizable.
- a possible deviation in the middle of the mold is accompanied by longitudinal cracks in the Strand surface up to breakthroughs (adhesives). These longitudinal cracks occur especially in the middle of the slab area next to the central axis in the area of the Immersion spout, i.e. 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 case for gluing the strand in the middle of the broadside of the mold and for Breakthrough.
- the device allows the strand to move in Detect direction of one of the narrow sides with a corresponding risk of breakthrough as a result of hangers, which are then counteracted by conicity regulation can.
- the invention therefore not only allows a change in the casting parameters during of casting, especially to ensure breakthrough, but also development the mold shape in interaction with the immersion nozzle, both inside and out outside and the mold powder to an optimal system "mold".
- FIG. 1 shows schematically the structure of a plate mold in cross section and Fig.2 in Longitudinal section ..
- the picture shows a straight-wall mold for the continuous casting of slabs.
- the broad sides have a first side segment 11 and a middle segment 13 on, each having chambers or a first segment 21 and a center segment 23, which have vertically arranged bores for guiding the cooling water.
- An adjustable device 33 is adjustable between the broad sides Narrow side 31 clamped.
- each of the cooling chambers have, or a side segment 22 and a center segment 23, the Has cooling holes.
- the center segments are 13 and 23, respectively further divided into zones 14 and 15 or 24 and 25.
- Adjustment device 33 is adjustable by means of an actuator 63.
- the broad sides 11 to 15 and 21 to 25 and the narrow sides 31 and 32 have feeds 51, 53, 55, 57 and discharges 52, 54, 56 and 58, through which a cooling medium can be fed in and out.
- An immersion pouring tube 41 or 42 is introduced into the mold interior of the mold.
- thermal sensors 61 and in the supply and discharge lines 51 to 58 thermal sensors 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 also shown.
- the die mouth is designated 29
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 (de) | 1995-08-02 | 1996-07-29 | Plattenkokille zur erzeugung von strängen aus stahl |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0842001A1 EP0842001A1 (de) | 1998-05-20 |
EP0842001B1 true EP0842001B1 (de) | 2001-03-21 |
Family
ID=7769493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96930954A Expired - Lifetime EP0842001B1 (de) | 1995-08-02 | 1996-07-29 | Plattenkokille zur erzeugung von strängen aus stahl |
Country Status (12)
Country | Link |
---|---|
US (1) | US6176295B1 (ko) |
EP (1) | EP0842001B1 (ko) |
JP (1) | JP3034957B2 (ko) |
KR (1) | KR100296188B1 (ko) |
CN (1) | CN1075966C (ko) |
AT (1) | ATE199846T1 (ko) |
AU (1) | AU6983896A (ko) |
BR (1) | BR9609810A (ko) |
DE (3) | DE19529931C1 (ko) |
ES (1) | ES2155199T3 (ko) |
RU (1) | RU2142863C1 (ko) |
WO (1) | WO1997004900A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102266919A (zh) * | 2011-08-03 | 2011-12-07 | 田志恒 | 结晶器在线热调宽系统及方法 |
Families Citing this family (13)
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 (de) * | 1998-08-24 | 2003-10-01 | SMS Demag AG | Verfahren zum Messen und Regeln von Temperatur und Menge von Kühlwasser für wasserkühlbare Kokillenwände einer Stranggiesskokille |
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 |
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 (en) * | 1982-02-24 | 1986-11-05 | Kawasaki Steel Corporation | Method of controlling continuous casting facility |
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/de 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/de active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102266919A (zh) * | 2011-08-03 | 2011-12-07 | 田志恒 | 结晶器在线热调宽系统及方法 |
CN102266919B (zh) * | 2011-08-03 | 2013-09-18 | 田志恒 | 结晶器在线热调宽系统及方法 |
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 |
EP0842001A1 (de) | 1998-05-20 |
ES2155199T3 (es) | 2001-05-01 |
BR9609810A (pt) | 1999-07-06 |
JPH11500361A (ja) | 1999-01-12 |
CN1195307A (zh) | 1998-10-07 |
WO1997004900A1 (de) | 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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