EP0734295A1 - Stranggiessanlage und verfahren zur erzeugung von dünnbrammen - Google Patents
Stranggiessanlage und verfahren zur erzeugung von dünnbrammenInfo
- Publication number
- EP0734295A1 EP0734295A1 EP95906269A EP95906269A EP0734295A1 EP 0734295 A1 EP0734295 A1 EP 0734295A1 EP 95906269 A EP95906269 A EP 95906269A EP 95906269 A EP95906269 A EP 95906269A EP 0734295 A1 EP0734295 A1 EP 0734295A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mold
- strand
- thickness
- casting
- section
- 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
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000009749 continuous casting Methods 0.000 title claims abstract description 7
- 238000005266 casting Methods 0.000 claims abstract description 30
- 239000002893 slag Substances 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 14
- 238000007654 immersion Methods 0.000 claims abstract description 12
- 230000010355 oscillation Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000007711 solidification Methods 0.000 claims abstract description 5
- 230000008023 solidification Effects 0.000 claims abstract description 5
- 230000009189 diving Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims 2
- 239000013078 crystal Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 description 4
- 230000005499 meniscus Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 108091060210 Heavy strand Proteins 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical group [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 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
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
-
- 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
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/111—Treating the molten metal by using protecting powders
-
- 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
- B22D11/14—Plants for continuous casting
Definitions
- the invention relates to a continuous caster and a method for producing thin slabs.
- the object of the invention is to provide a method and a continuous caster, which make it possible to achieve a predetermined thickness of the thin strand in that optimal conditions for the supply of slag and for reducing the strand thickness are achieved in the mold and in the guide frame during the casting roll.
- the object is achieved by the features of claims 1 and 4.
- the subclaims contain advantageous, non-standard further developments of the subclaims.
- the solution to the problem is independent of the mold type, such as the vertical, vertical bend or circular mold.
- Fig. 1 Representation of the casting conditions in the mold
- Fig. 4 Hydraulic behavior of the steel in the mold as a function of the slab thickness based on a 200 mm thick slab x 1,000 mm width
- the slag height hschlacke 'st mainly on the thickness of Kokilleneintritts ⁇ cross-section and the Strangschaien assume hstrangschale on the lifting height of the mold oszillie ⁇ in power dependent.
- the constant thickness leads to a constant formation of slag over the width of the casting level and thus to a constant slag supply in the area of the meniscus of the entire continuously forming strand shell (3).
- This constant formation of slag from casting powder or granulate (5) over the casting width avoids the risk of insufficient lubrication between the immersion nozzle and the copper broadside plates. This danger exists because the casting shell has a glassy structure (silicate structure) with a viscous behavior of approx. 0.5-10 poise.
- the turbulence caused by the metal flowing into the mold has a considerable influence on the relation (1), which often continues to the bath level and can lead to wave movements, whereby the wave crests can rise above the slag level, which leads to an interruption in the lubrication.
- This turbulence depends, among other things, on the throughput and the thickness and width of the mold at the cross-section of the dip tube outlet. This is now used as a measure of turbulence hydraulic behavior is defined as the quotient of throughput and thickness and can be represented with the following expression:
- an electromagnetic brake in the mold area can significantly reduce turbulence in the mold area.
- ⁇ TA strand cross-section of the solidified slab
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Paper (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Mold Materials And Core Materials (AREA)
- Moulding By Coating Moulds (AREA)
- Metal Rolling (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4403049A DE4403049C1 (de) | 1994-01-28 | 1994-01-28 | Stranggießanlage und Verfahren zur Erzeugung von Dünnbrammen |
DE4403049 | 1994-01-28 | ||
PCT/DE1995/000095 WO1995020445A1 (de) | 1994-01-28 | 1995-01-20 | Stranggiessanlage und verfahren zur erzeugung von dünnbrammen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0734295A1 true EP0734295A1 (de) | 1996-10-02 |
EP0734295B1 EP0734295B1 (de) | 1998-04-01 |
EP0734295B2 EP0734295B2 (de) | 2002-05-02 |
Family
ID=6509215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95906269A Expired - Lifetime EP0734295B2 (de) | 1994-01-28 | 1995-01-20 | Verfahren zur erzeugung von dünnbrammen |
Country Status (14)
Country | Link |
---|---|
US (1) | US6568461B1 (de) |
EP (1) | EP0734295B2 (de) |
JP (1) | JP3085978B2 (de) |
CN (1) | CN1046449C (de) |
AT (1) | ATE164540T1 (de) |
AU (1) | AU1453595A (de) |
BR (1) | BR9506653A (de) |
CA (1) | CA2181908A1 (de) |
DE (2) | DE4403049C1 (de) |
DK (1) | DK0734295T4 (de) |
ES (1) | ES2114304T5 (de) |
RU (1) | RU2134178C1 (de) |
WO (1) | WO1995020445A1 (de) |
ZA (1) | ZA95671B (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0832704A1 (de) | 1996-09-19 | 1998-04-01 | Hoogovens Staal B.V. | Stranggiessanlage |
DE19639302C2 (de) * | 1996-09-25 | 2000-02-24 | Schloemann Siemag Ag | Verfahren und Vorrichtung zur Erzeugung von dünnen Brammen auf einer Stranggießanlage |
DE19639297C2 (de) * | 1996-09-25 | 2000-02-03 | Schloemann Siemag Ag | Verfahren und Vorrichtung für Hochgeschwindigkeits-Stranggießanlagen mit einer Strangdickenreduktion während der Erstarrung |
DE19710791C2 (de) * | 1997-03-17 | 2000-01-20 | Schloemann Siemag Ag | Zueinander optimierte Formen der Stranggießkokille und des Tauchausgusses zum Gießen von Brammen aus Stahl |
EP0917922B1 (de) | 1997-11-21 | 2003-06-25 | SMS Demag AG | Verfahren und Anlage zum Stranggiessen von Brammen |
DE19801822C1 (de) * | 1998-01-15 | 1999-03-18 | Mannesmann Ag | Verfahren und Vorrichtung zum Stranggießen von Metallen |
NL1014024C2 (nl) * | 2000-01-06 | 2001-07-09 | Corus Technology Bv | Inrichting en werkwijze voor het continu of semi-continu gieten van aluminium. |
US20080179036A1 (en) * | 2007-01-26 | 2008-07-31 | Nucor Corporation | Continuous steel slab caster and methods using same |
US8020605B2 (en) * | 2007-01-26 | 2011-09-20 | Nucor Corporation | Continuous steel slab caster and methods using same |
ITMI20120046A1 (it) * | 2012-01-18 | 2013-07-19 | Arvedi Steel Engineering S P A | Impianto e procedimento per la colata continua veloce di bramme sottili di acciaio e di bramme di acciaio |
CN110035844B (zh) * | 2016-09-16 | 2021-04-13 | 日铁不锈钢株式会社 | 连续铸造法 |
CN110576163B (zh) * | 2019-09-28 | 2021-07-20 | 江苏联峰能源装备有限公司 | 一种大断面连铸圆坯生产高碳锰铬钢的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3318363A (en) * | 1965-03-18 | 1967-05-09 | Oglebay Norton Co | Continuous casting method with degassed glass-like blanket |
JPS6087959A (ja) * | 1983-10-20 | 1985-05-17 | Sumitomo Metal Ind Ltd | 連続鋳造のパウダ供給方法およびその装置 |
DE3423475C2 (de) † | 1984-06-26 | 1986-07-17 | Mannesmann AG, 4000 Düsseldorf | Verfahren und Einrichtung zum Stranggießen von flüssigen Metallen, insbesondere von flüssigem Stahl |
DE3627991A1 (de) * | 1986-08-18 | 1988-02-25 | Mannesmann Ag | Verfahren zum stranggiessen von brammen und einrichtung zur durchfuehrung des verfahrens |
DE3709188A1 (de) * | 1987-03-20 | 1988-09-29 | Mannesmann Ag | Ausgiessrohr fuer metallurgische gefaesse |
AU606114B2 (en) * | 1987-06-15 | 1991-01-31 | Bell Helicopter Textron Inc. | Copilot quick connect cyclic stick |
DE3724628C1 (de) * | 1987-07-22 | 1988-08-25 | Mannesmann Ag | Stranggiesskokille zur Erzeugung duenner Straenge im Brammenformat |
DE3818077A1 (de) * | 1988-05-25 | 1989-11-30 | Mannesmann Ag | Verfahren zum kontinuierlichen giesswalzen |
DE3823861A1 (de) * | 1988-07-14 | 1990-01-18 | Thyssen Stahl Ag | Verfahren und anlage zum herstellen eines stahlbandes mit einer dicke von weniger als 10 mm |
DE4131829C2 (de) * | 1990-10-02 | 1993-10-21 | Mannesmann Ag | Flüssigkeitsgekühlte Kokille für das Stranggießen von Strängen aus Stahl im Brammenformat |
-
1994
- 1994-01-28 DE DE4403049A patent/DE4403049C1/de not_active Expired - Lifetime
-
1995
- 1995-01-20 ES ES95906269T patent/ES2114304T5/es not_active Expired - Lifetime
- 1995-01-20 AU AU14535/95A patent/AU1453595A/en not_active Abandoned
- 1995-01-20 AT AT95906269T patent/ATE164540T1/de active
- 1995-01-20 RU RU96117378A patent/RU2134178C1/ru not_active IP Right Cessation
- 1995-01-20 CN CN95191381A patent/CN1046449C/zh not_active Expired - Fee Related
- 1995-01-20 CA CA002181908A patent/CA2181908A1/en not_active Abandoned
- 1995-01-20 DK DK95906269T patent/DK0734295T4/da active
- 1995-01-20 EP EP95906269A patent/EP0734295B2/de not_active Expired - Lifetime
- 1995-01-20 BR BR9506653A patent/BR9506653A/pt not_active IP Right Cessation
- 1995-01-20 WO PCT/DE1995/000095 patent/WO1995020445A1/de active IP Right Grant
- 1995-01-20 JP JP07519823A patent/JP3085978B2/ja not_active Expired - Lifetime
- 1995-01-20 DE DE59501780T patent/DE59501780D1/de not_active Expired - Lifetime
- 1995-01-27 ZA ZA95671A patent/ZA95671B/xx unknown
-
1998
- 1998-10-07 US US09/167,776 patent/US6568461B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9520445A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPH09508070A (ja) | 1997-08-19 |
WO1995020445A1 (de) | 1995-08-03 |
BR9506653A (pt) | 1997-09-16 |
DK0734295T3 (da) | 1998-10-19 |
ES2114304T5 (es) | 2002-11-16 |
DK0734295T4 (da) | 2002-06-17 |
CA2181908A1 (en) | 1995-08-03 |
US6568461B1 (en) | 2003-05-27 |
RU2134178C1 (ru) | 1999-08-10 |
ATE164540T1 (de) | 1998-04-15 |
JP3085978B2 (ja) | 2000-09-11 |
EP0734295B2 (de) | 2002-05-02 |
CN1139892A (zh) | 1997-01-08 |
ES2114304T3 (es) | 1998-05-16 |
CN1046449C (zh) | 1999-11-17 |
DE4403049C1 (de) | 1995-09-07 |
ZA95671B (en) | 1995-09-28 |
EP0734295B1 (de) | 1998-04-01 |
DE59501780D1 (de) | 1998-05-07 |
AU1453595A (en) | 1995-08-15 |
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