EP0884118A1 - Verfahren und Vorrichtung zum Verbindung des Giessens und Walzens von Metallen - Google Patents

Verfahren und Vorrichtung zum Verbindung des Giessens und Walzens von Metallen Download PDF

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Publication number
EP0884118A1
EP0884118A1 EP98302915A EP98302915A EP0884118A1 EP 0884118 A1 EP0884118 A1 EP 0884118A1 EP 98302915 A EP98302915 A EP 98302915A EP 98302915 A EP98302915 A EP 98302915A EP 0884118 A1 EP0884118 A1 EP 0884118A1
Authority
EP
European Patent Office
Prior art keywords
line
casting
moveable
slab
rolling
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.)
Withdrawn
Application number
EP98302915A
Other languages
English (en)
French (fr)
Inventor
Mike Clark
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kvaerner Technology and Research Ltd
Original Assignee
Kvaerner Technology and Research Ltd
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
Application filed by Kvaerner Technology and Research Ltd filed Critical Kvaerner Technology and Research Ltd
Publication of EP0884118A1 publication Critical patent/EP0884118A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/12—Arrangement or installation of roller tables in relation to a roll stand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product

Definitions

  • the invention relates to an apparatus for coupling the casting and rolling of metals.
  • the invention relates to a combined apparatus and method for the continuous casting and then rolling of metals.
  • FIG. 1 shows a conventional casting and rolling apparatus comprising two casting lines 2, 3 feeding a single rolling line 4.
  • FIG 1 the casting process in the first casting line 2 is about half way through and the casting of the second casting line 3 is about to begin.
  • a previously cast slab is located on the transfer unit 6 ready to enter the single rolling line 4. The next stage in the process is shown in figure 2.
  • FIG. 3 shows the third stage of this conventional process in which the casting of the slab on the first casting line 2 is complete and the rolling of the previously cast slab is complete. At this point the casting of the second casting line is continuing and approaching the halfway stage.
  • the transfer unit 6 is then moved to a position in line with the first casting line 2. As shown in figure 4 the slab being cast in casting line 2 is then cut at the required length and the slab proceeds onto the transfer unit 6. The length of the cast slab is determined by the length of the transfer unit 6 as well as the casting lines 2, 3.
  • the transfer unit is translated sideways (downwardly in the drawing) to line up with the rolling line 4 so that the newly cast slab can proceed to the rolling line 4 as shown in figure 6.
  • the second casting line 3 will have been completed and a further slab will be available.
  • the transfer unit 6 will then move sideways to a position in line with the second casting line to receive this slab and so the procedure continues.
  • each cast slab is limited by the length of the transfer unit 6 and the casting line is of the same corresponding length. If slabs of greater length are required then the apparatus has to be made longer with correspondingly long casting lines and transfer units. This makes the overall length of the complete line very long and this is a major prohibiting factor. Sites for such long lengths of mills are very hard to find and expensive and existing factory sites where most new equipment is desired to be located are not long enough to accommodate such long lengths of equipment. Further more the long lengths of the casting and rolling apparatus required for long slabs are expensive in terms of the physical cost of the apparatus itself as well as the factory space it takes up.
  • an apparatus for the combined casting and rolling of metals comprising at least two casting lines and a rolling line each casting line also comprising a corresponding receiving platform onto which the slab is cast, characterised in that each receiving platform is comprised of at least two separate sections each of which are shorter than the length of the cast slab and which are independently moveable.
  • the sections are preferably moveable between a first position in which they are in line with the corresponding caster and a second position in which they are in line with the rolling line.
  • the receiving platforms are preferably in the form of tunnel furnaces in this embodiment in which the temperature of the cast slabs can be controlled and maintained by heat retaining means and with heat adding means. They will however be referred to merely as receiving platform moveable sections henceforth in this description.
  • a separate section of the receiving platform remains fixed to each ofthe casting lines 12, 13.
  • the receiving platform comprises 2 moveable sections.
  • the receiving platform comprises three, four, five, six , seven or more moveable sections.
  • FIG. 7 to 14 the embodiment of the invention is shown in which there is provided an apparatus 1 for the combined casting and rolling of metals comprising at least two casting lines 12, 13 and a rolling line 14, each casting line 12, 13 also comprising corresponding receiving platforms 15, 16 onto which the slab is cast.
  • Each receiving platform 15, 16 is comprised of eight separate sections 21, 22, 23, 24, 25, 26, 27, 28 the first section 21 of which is fixed to the corresponding casting line 12, 13 and the remaining seven of which are independently moveable.
  • the moveable sections 22 -28 are moveable between a first position in which they are in line with the corresponding casting line 12, 13 a second position in which they are in line with the rolling line 14.
  • Each movable section is preferably in the form of tunnel furnaces in this embodiment in which the temperature of the cast slabs can be controlled and maintained by heat retaining means and with heat adding means. They will however be referred to merely as moveable sections henceforth in this description.
  • Each movable section 22-28 may contain its own heat adding means but preferably, whilst each movable section will contain its own heat retaining means, only some of the movable sections will need to be provided with heat adding means.
  • the heat adding means could be any suitable type such as by gas or electric element.
  • Each moveable section 22 - 28 comprises its own transverse rail (not shown) arranged between the first and second positions to precisely guide the translation movement of each moveable section 22 -28. Additionally each corresponding rail is provided with stops which stop the corresponding moveable section in precisely the desired position in-line with the corresponding casting line and the rolling line 14 respectively.
  • each of the sections comprises driven rolls for longitudinal movement of the slab from the receiving platforms 15, 16 to the rolling line 14.
  • FIG 7 the apparatus and method of this embodiment of the invention is shown in which a first slab has already been cast and rests on the moveable sections of the second receiving platform 16 and this is ready to be fed into the rolling line 14.
  • the first casting line 12 is part, about halfway, through the casting of a second slab on to its receiving platform 15 which is in line with the first casting line 12.
  • the casting of a third slab on the second casting line 13 has just started on to the first fixed section 21 of its corresponding the receiving platform 16.
  • the first slab is being fed into the rolling line 14.
  • this moveable section 22 is moved sideways (downwards in the figure) to its first position in-line with the second casting line to form the receiving platform for the casting of the third slab.
  • this section is moved sideways (downwards in the figure) to form the receiving platform for the casting of the third slab.
  • Figure 10 shows this step repeated for the third and subsequent moveable sections as the first slab enters the rolling line 14.
  • the rolling line 14 operates at a faster speed that the casting line 12, 13 the subsequent sections build up to form the receiving platform ahead of the casting of the third slab.
  • Figure 11 shows the last moveable section 28 being moved sideways to complete the receiving platform for the third slab.
  • the casting of the second slab has been completed and as shown in figure 12 the desired length is cut and the slab is transferred to the last seven sections of the receiving platform by the drive rolls on the receiving platform sections 22 - 28.
  • the second slab is transferred to the rolling line 14 by the sideways movement of all of the moveable sections 22 - 28 of the first receiving platform and the slab can then be fed into the rolling mill.
  • the process is thus continued following this pattern on a continuous basis as shown in figure 14 with the first and subsequent moveable sections 22 - 28 of the first receiving platform moving sideways (upwards in the figure) to form the receiving platform for a fourth slab as soon as the second slab leaves the corresponding movable section 22 -28.
  • the casting of the third slab is continued.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Metal Rolling (AREA)
EP98302915A 1997-06-10 1998-04-15 Verfahren und Vorrichtung zum Verbindung des Giessens und Walzens von Metallen Withdrawn EP0884118A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9711855 1997-06-10
GBGB9711855.8A GB9711855D0 (en) 1997-06-10 1997-06-10 Method and apparatus for coupling the casting and rolling of metals

Publications (1)

Publication Number Publication Date
EP0884118A1 true EP0884118A1 (de) 1998-12-16

Family

ID=10813769

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98302915A Withdrawn EP0884118A1 (de) 1997-06-10 1998-04-15 Verfahren und Vorrichtung zum Verbindung des Giessens und Walzens von Metallen

Country Status (4)

Country Link
EP (1) EP0884118A1 (de)
JP (1) JPH1177101A (de)
CA (1) CA2239484A1 (de)
GB (1) GB9711855D0 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0893167A2 (de) * 1997-07-17 1999-01-27 Sms Schloemann-Siemag Aktiengesellschaft Walzstrasse
EP2910316A1 (de) * 2014-02-21 2015-08-26 Primetals Technologies Germany GmbH Einfache Vorsteuerung einer Keilanstellung eines Vorgerüsts

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735949A1 (de) * 1987-10-23 1989-05-03 Ruhrgas Ag Verfahren und vorrichtung zum reinigen der oberflaeche von ofenrollen eines rollenherdofens
DE4017928A1 (de) * 1990-06-05 1991-12-12 Schloemann Siemag Ag Verfahren und anlage zur herstellung von warmgewalzten baendern oder profilen aus stranggegossenem vormaterial
EP0492226A2 (de) * 1990-12-21 1992-07-01 Sms Schloemann-Siemag Aktiengesellschaft Verfahren und Anlage zum Auswalzen von Warmbreitband aus stranggegossenen Dünnbrammen
EP0593002A1 (de) * 1992-10-13 1994-04-20 Sms Schloemann-Siemag Aktiengesellschaft Verfahren und Anlage zum Auswalzen von Warmbreitband aus stranggegossenen Dünnbrammen
EP0770433A1 (de) * 1995-10-27 1997-05-02 DANIELI & C. OFFICINE MECCANICHE S.p.A. Verfahren und Anlage zum Walzen von Bänder und Blechen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735949A1 (de) * 1987-10-23 1989-05-03 Ruhrgas Ag Verfahren und vorrichtung zum reinigen der oberflaeche von ofenrollen eines rollenherdofens
DE4017928A1 (de) * 1990-06-05 1991-12-12 Schloemann Siemag Ag Verfahren und anlage zur herstellung von warmgewalzten baendern oder profilen aus stranggegossenem vormaterial
EP0492226A2 (de) * 1990-12-21 1992-07-01 Sms Schloemann-Siemag Aktiengesellschaft Verfahren und Anlage zum Auswalzen von Warmbreitband aus stranggegossenen Dünnbrammen
EP0593002A1 (de) * 1992-10-13 1994-04-20 Sms Schloemann-Siemag Aktiengesellschaft Verfahren und Anlage zum Auswalzen von Warmbreitband aus stranggegossenen Dünnbrammen
EP0770433A1 (de) * 1995-10-27 1997-05-02 DANIELI & C. OFFICINE MECCANICHE S.p.A. Verfahren und Anlage zum Walzen von Bänder und Blechen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0893167A2 (de) * 1997-07-17 1999-01-27 Sms Schloemann-Siemag Aktiengesellschaft Walzstrasse
EP0893167A3 (de) * 1997-07-17 2000-04-19 Sms Schloemann-Siemag Aktiengesellschaft Walzstrasse
EP2910316A1 (de) * 2014-02-21 2015-08-26 Primetals Technologies Germany GmbH Einfache Vorsteuerung einer Keilanstellung eines Vorgerüsts
WO2015124363A1 (de) * 2014-02-21 2015-08-27 Primetals Technologies Germany Gmbh Einfache vorsteuerung einer keilanstellung eines vorgerüsts
CN105980072A (zh) * 2014-02-21 2016-09-28 首要金属科技德国有限责任公司 粗轧机架的楔形辊缝调整的简单预控制
US10456818B2 (en) 2014-02-21 2019-10-29 Primetals Technologies Germany Gmbh Simple pre-control of a wedge-type roll-gap adjustment of a roughing stand

Also Published As

Publication number Publication date
GB9711855D0 (en) 1997-08-06
CA2239484A1 (en) 1998-12-10
JPH1177101A (ja) 1999-03-23

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