EP1827735B1 - Verfahren und vorrichtung zum bandgiessen von metallen - Google Patents
Verfahren und vorrichtung zum bandgiessen von metallen Download PDFInfo
- Publication number
- EP1827735B1 EP1827735B1 EP05850286A EP05850286A EP1827735B1 EP 1827735 B1 EP1827735 B1 EP 1827735B1 EP 05850286 A EP05850286 A EP 05850286A EP 05850286 A EP05850286 A EP 05850286A EP 1827735 B1 EP1827735 B1 EP 1827735B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid metal
- transport belt
- upper run
- cooling
- nozzles
- 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
Links
- 239000002184 metal Substances 0.000 title claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 19
- 150000002739 metals Chemical class 0.000 title description 2
- 238000009749 continuous casting Methods 0.000 title 1
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 238000005266 casting Methods 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 36
- 239000002826 coolant Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 238000004904 shortening Methods 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
- B22D11/0685—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting belts
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0631—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a travelling straight surface, e.g. through-like moulds, a belt
Definitions
- the invention relates to methods for casting metal strands close to the final dimensions, in particular rectangular strands, wherein liquid metal is poured onto a circulating conveyor belt, with subsequent inline rolling.
- liquid metal is poured through an opening in the wall of a horizontally movable supply hopper onto the top of a horizontally circulating belt to solidify there. After solidification, the cast strip is passed directly to a rolling stand or rolling mill.
- the prior art thus includes a method or a device in which the point of delivery of the metal to the conveyor belt is locally fixed or locally variable.
- the invention is therefore based on the object of specifying methods in which or in which the production window or the production spectrum is extended. This involves casting different metals and grades, casting different product thicknesses and widths, and a wide casting speed variance to avoid the above drawbacks.
- the decisive advantage of the method according to the invention is that the intensity of the cooling corresponding to the greatest heat transfer is designed so that the greatest cooling effect is achieved at the location of the first contact of the liquid metal with the conveyor belt and decreases downstream.
- the local variation of the feed point of the liquid metal on the conveyor belt in conjunction with an optimally adapted cooling or cooling arrangement, a flexibilization of the production spectrum is achieved.
- the point at which the liquid metal comes into contact with the conveyor belt must be changed under certain boundary conditions such as different metal qualities, mass flow rates and the like in the casting direction.
- the intensity of the cooling is adjusted by a local change of the cooling zone, seen in the transport direction.
- the zone of the conveyor belt which has the greatest cooling intensity is therefore correlated with the location of the exit of the liquid metal from the feed tank.
- a first embodiment provides that the nozzles are combined in several independent units.
- Each nozzle unit is a separate one Pressure regulated water supply assigned.
- the pressure in the following nozzle units is gradually reduced. The highest pressure at the point of application of the liquid metal ensures that the greatest cooling effect is achieved here.
- the pressure in the individual nozzle units is changed.
- the pressure with which the cooling medium is injected at the individual nozzle units on the underside of the upper run of the conveyor belt remains constant.
- the individual nozzle units are arranged so that the nozzle unit with the greatest cooling effect, ie the largest coolant flow, is always located where the liquid metal is fed onto the conveyor belt. For this, the nozzle units are displaced or displaced locally.
- the parameters conveyor belt speed and metal quantity / time are also changed.
- the effective cooling length necessary for solidification is adapted to the metallurgical length.
- This process is carried out in various situations as follows, assuming a uniform supply of the liquid metal to the conveyor belt.
- a metal feed container 1 for liquid metal 2 is arranged above a conveyor belt 3.
- the conveyor belt 3 is deflected over two rollers 4 and 5.
- Liquid metal 2 passes from an opening 6 in the metal feed container 1 to the upper side 7 of the upper run 8 of the conveyor belt 3.
- the rollers 4 and 5 By a rotary movement of the rollers 4 and 5, the liquid metal 2 is directed in the transport direction 9 to a rolling device, not shown.
- the liquid metal 2 must have formed a strand shell of sufficient strength when it leaves the conveyor belt 3 in the region of the roller 5.
- nozzles 11 are arranged in the region of the bottom 10 of the upper run 8 of the conveyor belt. From the nozzles 11, a cooling medium such as water or the like is injected onto the underside 10 of the upper run 8.
- the nozzles 11 are arranged, for example, in four nozzles - segments 12, 13, 14, 15.
- Each nozzle segment 12, 13, 14, 15 has a separate pressure regulated water supply (not shown). This makes it possible that each nozzle segment 12, 13, 14, 15 can be subjected to different pressure.
- the highest pressure of the cooling water or the cooling medium is provided where the largest amount of heat has to be dissipated. This location corresponds to the point at which the liquid metal 2 impinges on the top 7. In FIG. 1 a is this place on the left side. Therefore, the nozzle segment 12 is for example subjected to a pressure of 8 bar. As seen in the transport direction 8, the amount of heat to be dissipated becomes smaller, the nozzle segment 13 with a reduced Pressure of for example 6 bar, the nozzle segment 14 with 4 bar and the nozzle segment 15 applied with 3 bar.
- arranged nozzle segment (in FIG. 1b the nozzle segment and in Figure 1c the nozzle segments) are subjected to a reduced pressure.
- the pressures are individually adjustable at any time and are influenced by the above mentioned boundary conditions such as metal quality, mass flow rate etc.
- the cooling water or the cooling medium is supplied under constant pressure to the individual nozzle - segments 16, 17, 18, 19, 20.
- the supply can be done centrally for all nozzles - segments 16, 17, 18, 19, 20 or decentralized for each individual.
- the nozzles of the nozzle segments 16, 17, 18, 19, 20 are designed so that the cooling effect of the nozzle segments 16, 17, 18, 19, 20 is different. This can be achieved for example by different flow rates of the cooling medium.
- the nozzle segment 16, 17, 8, 19, 20 with the highest cooling effect is arranged where the liquid metal 2 reaches the conveyor belt 3. Since this location varies, the nozzle segments 16, 17, 18, 19, 20 can be interchanged or offset. In FIG. 2a the highest cooling effect is achieved in the left nozzle segment 16. As seen in the transport direction 9, the cooling effect in the following nozzle segments 17, 18, 19, 20 decreases.
- FIG. 2b is the feeding point for the liquid metal 2 shifted in the transport direction 9. To achieve the greatest cooling effect here, this is out FIG. 2 a known nozzles - segment 16 also moved in the transport direction 9.
- the effective cooling length is adjusted to the metallurgical length.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Wire Processing (AREA)
- Metal Rolling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL05850286T PL1827735T3 (pl) | 2004-12-18 | 2005-12-16 | Sposób i urządzenie do taśmowego odlewania metali |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004061080A DE102004061080A1 (de) | 2004-12-18 | 2004-12-18 | Verfahren und Vorrichtung zum Bandgießen von Metallen |
PCT/EP2005/013571 WO2006063847A1 (de) | 2004-12-18 | 2005-12-16 | Verfahren und vorrichtung zum bandgiessen von metallen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1827735A1 EP1827735A1 (de) | 2007-09-05 |
EP1827735B1 true EP1827735B1 (de) | 2008-11-19 |
Family
ID=36011709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05850286A Not-in-force EP1827735B1 (de) | 2004-12-18 | 2005-12-16 | Verfahren und vorrichtung zum bandgiessen von metallen |
Country Status (9)
Country | Link |
---|---|
US (1) | US20080000612A1 (ja) |
EP (1) | EP1827735B1 (ja) |
JP (1) | JP4922945B2 (ja) |
AT (1) | ATE414579T1 (ja) |
AU (1) | AU2005315789A1 (ja) |
DE (2) | DE102004061080A1 (ja) |
ES (1) | ES2314751T3 (ja) |
PL (1) | PL1827735T3 (ja) |
WO (1) | WO2006063847A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2715813C (en) | 2008-02-13 | 2017-03-21 | Erich Zurfluh | Light delivery device that provides a radial light output pattern |
DE102010005226C5 (de) | 2010-01-21 | 2020-02-13 | Fritz-Peter Pleschiutschnigg | Verfahren und Vorrichtung zum Bandgießen |
CN109996623B (zh) * | 2016-11-29 | 2021-07-30 | Sms集团有限公司 | 运输装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6127149A (ja) * | 1984-07-17 | 1986-02-06 | Sumitomo Metal Ind Ltd | 水平連続鋳造装置 |
CH671534A5 (ja) * | 1986-03-14 | 1989-09-15 | Escher Wyss Ag | |
JPS63123552A (ja) * | 1986-11-12 | 1988-05-27 | Kawasaki Steel Corp | ベルト式連続鋳造機のベルト冷却装置 |
JPS63126652A (ja) * | 1986-11-18 | 1988-05-30 | Kawasaki Steel Corp | 双ベルト式連続鋳造方法 |
JPH01254351A (ja) * | 1988-04-01 | 1989-10-11 | Hitachi Ltd | ベルト式連続鋳造機の冷却パッド |
JPH084887B2 (ja) * | 1989-12-06 | 1996-01-24 | 株式会社日立製作所 | 高温鋳片の搬送装置 |
JP2680470B2 (ja) * | 1990-09-14 | 1997-11-19 | 新日本製鐵株式会社 | 双ベルト式連続鋳造機のベルト冷却方法 |
JPH09141408A (ja) * | 1995-11-24 | 1997-06-03 | Kawasaki Steel Corp | 連続鋳造の二次冷却方法 |
US5671801A (en) * | 1996-01-11 | 1997-09-30 | Larex A.G. | Cooling system for a belt caster and associated methods |
JPH09192791A (ja) * | 1996-01-22 | 1997-07-29 | Kobe Steel Ltd | ベルト式連続鋳造機の冷却パッド |
US5967223A (en) * | 1996-07-10 | 1999-10-19 | Hazelett Strip-Casting Corporation | Permanent-magnetic hydrodynamic methods and apparatus for stabilizing a casting belt in a continuous metal-casting machine |
DE19823440C1 (de) * | 1998-05-19 | 1999-12-09 | Mannesmann Ag | Verfahren und Vorrichtung zum endabmessungsnahen Gießen von Metall |
JP2000126848A (ja) * | 1998-10-27 | 2000-05-09 | Ishikawajima Harima Heavy Ind Co Ltd | 急冷合金箔帯製造装置とその方法 |
US6755236B1 (en) * | 2000-08-07 | 2004-06-29 | Alcan International Limited | Belt-cooling and guiding means for continuous belt casting of metal strip |
US6453984B1 (en) * | 2001-03-13 | 2002-09-24 | Honeywell International Inc. | Apparatus and method for casting amorphous metal alloys in an adjustable low density atmosphere |
-
2004
- 2004-12-18 DE DE102004061080A patent/DE102004061080A1/de not_active Withdrawn
-
2005
- 2005-12-16 US US11/793,112 patent/US20080000612A1/en not_active Abandoned
- 2005-12-16 AT AT05850286T patent/ATE414579T1/de active
- 2005-12-16 JP JP2007545963A patent/JP4922945B2/ja not_active Expired - Fee Related
- 2005-12-16 WO PCT/EP2005/013571 patent/WO2006063847A1/de active Application Filing
- 2005-12-16 ES ES05850286T patent/ES2314751T3/es active Active
- 2005-12-16 AU AU2005315789A patent/AU2005315789A1/en not_active Abandoned
- 2005-12-16 DE DE502005006026T patent/DE502005006026D1/de active Active
- 2005-12-16 EP EP05850286A patent/EP1827735B1/de not_active Not-in-force
- 2005-12-16 PL PL05850286T patent/PL1827735T3/pl unknown
Also Published As
Publication number | Publication date |
---|---|
JP4922945B2 (ja) | 2012-04-25 |
AU2005315789A1 (en) | 2006-06-22 |
DE102004061080A1 (de) | 2006-06-22 |
EP1827735A1 (de) | 2007-09-05 |
WO2006063847A1 (de) | 2006-06-22 |
ATE414579T1 (de) | 2008-12-15 |
US20080000612A1 (en) | 2008-01-03 |
ES2314751T3 (es) | 2009-03-16 |
DE502005006026D1 (de) | 2009-01-02 |
JP2008531281A (ja) | 2008-08-14 |
PL1827735T3 (pl) | 2009-04-30 |
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