• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to an intermediate road area (Z) of a cast-rolled composite plant (1). The object of the invention is to provide a compact cast-rolling composite system (1) with which the overall length of the cast-rolling composite plant can be reduced, and the investment and operating costs of the cast-rolling composite plant can be reduced. This object is achieved in that in the intermediate road area (Z) a first roller (31), a second roller (32) and a third roller (33) of the roller table (4) in the transport direction (7) are arranged one behind the other, wherein in the area between the first roller (31) and the second roller (32) at least one of the group-a lifting device (11), and-a discharge device (8) is arranged, and in the region between the second roller (32) and the third roller (33) at least one heating module (12a) of the induction furnace (12) is arranged.
    公开号:AT513298A1
    申请号:T50327/2012
    申请日:2012-08-20
    公开日:2014-03-15
    发明作者:Thomas Dipl Ing Lengauer；Wolfgang Peitl；Roman Dipl Ing Winkler
    申请人:Siemens Vai Metals Tech Gmbh；
    IPC主号:
    专利说明:

    1 201217901
    description
    Interstate area of a cast-rolling compound field of engineering
    The present invention relates to the so-called intermediate road section of a cast-rolling compound plant, i. the area between a roughing mill and a finishing train in a cast-rolling compound.
    Cast-roll compound equipment is a plant in which a casting machine (for example, a continuous casting machine, a roller or caterpillar casting machine or a two-roll casting machine) is coupled to a rolling mill. A cast-rolling composite plant can be operated either in the so-called endless operation or in the so-called semi-continuous operation (English, semi-endless or batch operation), whereby in continuous operation the strand produced by the casting plant is uncut in the rolling plant is processed into a hot-rolled product.
    The casting / rolling compound plants thus include ESP (Endless Strip Production), CSP (Compact Strip Production) and so-called CSP-flex plants.
    Specifically, the invention relates to a cast-rolling composite plant for the production of hot-rolled products, comprising - a continuous casting machine for continuously casting a strand of endless semi-finished material; hereinafter - a roughing mill for roughing the strand of the primary material to a pre-strip; - an intermediate road section comprising a scissors for cutting the sliver, a lifting device for lifting a strand section, a discharge conveyor for feeding a Vorbandabschnitts, an induction furnace for heating the Vorbands to rolling temperature and a roller table with a plurality of rollers arranged behind each other in the transport direction, the rollers Form transport path for the opening band; below 2/28 2 201217901 - a finishing train for finish-rolling the pre-strip into a finished strip; below - a cooling section for cooling from the finished belt; and subsequently - a storage device for winding or stacking the finished belt.
    State of the art
    From WO 2009/121678 Al the applicant is a generic cast-rolling composite plant with a continuous casting machine 2, a roughing 5, an intermediate road area of a pair of scissors 9, a lifting device 11, a discharge 8, an induction furnace 12 and a roller table, a Fertigwalzstraße 14, a cooling section 15 and a memory device 17 known. Although this cast-rolling composite plant has proven very successful in practice, it is disadvantageous that the successive arrangement of the scissors 9, the discharge device 8, the lifting device 11, and the induction furnace 12 in the transport direction of the strip has a total length of approx. 30 m. Due to the long length, the strip cools down more on the way to the finishing mill, more scale is produced on the strip, and the investment costs (English: CÄPEX) and operating costs (English: OPEX) are increased. Of course, it would be possible to make the intermediate road area significantly more compact by eliminating the scissors, the discharge device and the lifting device. However, this would have the consequence that would have to be interrupted in case of an interruption in a part of the system behind the scissors of the casting, so that the reliability of the system would decrease sharply. As with a comparably high level of operational reliability, the overall length of the cast-rolling composite plant can be reduced and the investment and operating costs of the cast-rolled composite plant can be reduced, as the document does not show. 3/28 3 201217901
    Summary of the invention
    The object of the invention is to overcome the drawbacks of the prior art and to provide a compact cast-rolling composite plant with which - a fault in a plant part, which is downstream of the intermediate road area, can be bridged, without causing the continuous casting operation the continuous casting machine must be interrupted, - the overall length of the cast-rolling composite plant can be reduced, and - the investment and operating costs of the cast-rolled composite plant can be reduced.
    This object is achieved by the above-mentioned cast-rolling composite system in that a first roller, a second roller and a third roller of the roller table in the transport direction are arranged behind one another in the intermediate road, wherein in the region between the first roller and the second roller at least one from the group - a lifting device, and - a discharge, is arranged, and in the region between the second roller and the third roller at least one heating module of the induction furnace is arranged.
    The role of the roller table, which is referred to as the first roller, must by no means be the very first role of the intermediate road area in the transport direction. Specifically, this is just a role that is followed by two more roles (namely, the second and third roles).
    Furthermore, the object is achieved by the above-mentioned casting-rolling composite system in that in
    Intermediate track area an n-th roller, an n + l-th roller and a n + 2-th roller of the roller table in the transport direction are arranged one behind the other, wherein in the area between the n-th roller and the n + l a heating module of the induction furnace is arranged, and in the region between the n + l-th roll and the n + 2-th roll at least one of the group - a lifting device, and - a discharge device, is arranged.
    By a combination of claims 1 and 2, the compactness of the cast-rolling composite system is further increased.
    Due to the spatial integration of the lifting device according to the invention, the discharge device and the induction furnace, the total length of the intermediate road area is reduced from approximately 30 m to approximately 15 m, without thereby reducing operational safety. Due to the shorter overall length, the pre-strip cools less and forms less scale on the pre-strip. Due to the low cooling, the pre-strip also has to be heated less in the induction furnace, which further reduces operating costs. The lower scaling also improves the quality of the hot strip. Finally, the investment costs are reduced by the shorter length. For the invention, it does not matter if the rough rolling mill or finishing train has one or more stands.
    Preferably, the scissors is a pendulum scissors or a drum shears.
    A simple and robust lifting device comprises at least one lifting cylinder and a lifting beam oriented transversely to the transport direction, wherein the lifting beam can be raised and lowered by the lifting cylinder in the vertical direction. 5/28 5 201217901
    A simple and robust discharge device comprises at least one Abschubzylinder oriented transversely to the transport direction, so that the Vorbandabschnitt can be deported by the Abschubzylinder in the horizontal direction of the roller table.
    It is advantageous if the induction furnace has a heating module above the transport path and an associated actuating device between two rollers arranged one behind the other in the transport direction, and the heating module can be moved by the actuating device from a region which delimits the transport path by two vertical planes. After the occurrence of a fault, the strand is cut off by the scissors and the heating module is moved out of the area above the transport path by the actuating device. As a result, the cut strand section can be lifted unhindered by the lifting device.
    In a simple mechanism for clearing the area above the transport path, the heating module can be extended by the actuating device transversely to the transport direction. The heating module is e.g. guided by a rail. In this case, the actuating device may be e.g. be designed as a pneumatic cylinder.
    Alternatively, the heating module can be swung out of the area by the actuating device. Also in this case, the actuator may e.g. be designed as a pneumatic cylinder. For a high heating power, the induction furnace between two in the transport direction successively arranged rollers on a heating module below the transport path.
    The cutting of the strand, the lifting of the strand section and the conveying out of pre-strip sections can be represented particularly easily if a clamping device is arranged in the intermediate road area after the last lifting element of the lifting device in the direction of transport.
    In order to ensure a reliable clamping even with an oily or greasy surface of the pre-strip section, it is advantageous if the clamping device comprises a clamping cylinder and in a plane normal to the transport direction two rollers, wherein at least one roller can be pressed by the clamping cylinder to the strand section.
    It is advantageous if the clamping cylinder is a hydraulic or pneumatic cylinder.
    In order to prevent the rolling of scale, it is advantageous if a descaling device is arranged immediately before the finishing train.
    In general, the storage device is a take-up device for winding the finished strip into bundles or a stacking device for stacking the finished strip.
    Brief description of the drawings
    Further advantages and features of the present invention will become apparent from the following description of non-limiting embodiments, reference being made to the following figures, which show the following:
    1 shows a schematic representation of a casting-rolling composite plant for fully continuous endless operation
    2 is a schematic representation of a section of the intermediate road area according to the prior art
    3a and 3b are elevational and plan views in schematic representation of an embodiment according to the invention of the intermediate road section 7/28 7 201217901
    4a, 4h a schematic representation of the steps in the intermediate road area for bridging a production interruption
    5 shows a side view of a hinged heating module of the induction furnace
    Description of the embodiments
    FIG. 1 shows a cast-rolled composite plant 1 known from WO 2009/121678 A1. In continuous operation, a continuous casting machine 2 continuously produces a primary material 3 in the form of a thin slab strand, which is transported via a roller table 4 to a roughing mill 5. After rough rolling in the rough rolling mill 5, the pre-strip 30 passes uncut, i. as a strand, the intermediate road Z, an induction furnace 12 and a descaling machine 13 before the hot strip is rolled in a single or multi-stand finishing train 14 to a finished strip 40. The finished strip 40 is then cooled in a cooling section 15, cut by a pair of scissors 16 to a specific product length or a certain product weight and then run by a designed as a take-up device
    Storage device 17 wound. The roller table 4 connects all parts of the plant between the horizontal strand guide of the continuous casting machine 2 and the storage device 17th
    1, comprising a first scissors 9a, a discharge device 8, a second scissors 9b, a lowerable roller table 18 and a lifting device 11. Immediately after the occurrence of a malfunction in a part of the installation, downstream of the means for cutting and discharging 6 (eg the finishing train 14 or the winding device 17), the pre-strip 30 is severed by the second scissors 9b, whereby behind the second scissors 9b a strand section 21 is formed. In order to separate the strand section from the still continuously produced, coming from the roughing mill 5, pre-strip 30, the strand section 21 is lifted by a lifting device 11. The pre-strip 30 passing through the second pair of scissors 9b is divided by the pair of scissors 9b into scrap pieces 19, which are conveyed out via a lowerable roller table 18. Since the scrap pieces 19 are generally difficult to exploit, after the occurrence of the disturbance, the preliminary strip 30 is cut by a first scissors 9a to pre-strip sections 10, each having a length of 8-14 m, wherein the pre-strip sections 10 transversely across the discharge 8 be discharged to the transport direction 7. A disadvantage of the intermediate road Z area according to the prior art is that this has a total construction length of about 30 m that relatively cools the pre-strip 30 in continuous operation by the length, due to the residence time in the intermediate road Z the Vorband 30 relatively strong scaling, and that the investment and operating costs of the cast-rolling composite 1 are relatively high.
    FIGS. 3a and 3b show an embodiment of the intermediate road area Z according to the invention of the cast-rolled composite installation 1, which no longer has the disadvantages of the solution according to FIG. Apart from the shorter overall length of the intermediate road Z area can also be used with the known casting-rolling compound 1 of FIG. Concretely, the intermediate road area comprises a pair of scissors 9, e.g. is designed as pendulum scissors or drum shears. The scissors 9 are followed in the transport direction 7 by a first roller 31 and a second roller 32 of the roller table, wherein a lifting device 11 and a discharge device 8 are arranged between the first and the second roller. Under the phrase "between the first and second roles ... arranged " is to be understood in this document, the arrangement of an element that is arranged between two vertical, aligned transversely to the transport direction 7, planes, each plane intersects the axis of rotation of a roll. The lifting device 11 is shown in Figs. 3a, 3b in 9/28 9 201217901 lowered position. Between the second roller 32 and the third roller 33, a heating module 12a of the induction furnace 12 is arranged, which is extendable transversely to the transport direction (in Fig 3b, the extension direction is indicated by an arrow). In the rear area of the intermediate road area Z, an n-th roller 31 'and an n + l-th roller 32' are arranged, between which in turn a heating module 12a of the induction furnace 12 is arranged. Between the n + l-th roller 32 'and the n + 2-th roller 33', a lifting device 11 and a discharge device 8 are arranged. After the n + 2-th roller 33 ', there is disposed a clamp 23 for clamping a strand portion 21 formed as a pair of pinch rolls (" pinch rolls "). By the clamping device 23 it is ensured that the strand section 21 is pulled away by the lifting of the scissors 9, so that the foot of the strand section 21 has a sufficient distance from the next leading strip 30. Each lifting device 11 has two lifting cylinders 24 and a transverse to the transport direction 7 lifting beam 27. Each discharge device 8 has at least one Abschubzylinder 25 oriented transversely to the transport direction, so that the Vorbandabschnitt 21 by the Abschubzylinder 25 in the horizontal direction from the roller table 4, for. can be pushed on a stacker not shown next to the roller table 4.
    In one embodiment, not shown, arranged above the roller table 4 heating modules 12a are hinged upwards, so that before raising the strand section 21 (see Figure 4c), the heating modules are opened. This also prevents a collision between the heating modules 12a and the raised strand section 21 or the lifting devices 11.
    The method steps in the intermediate road area Z after the occurrence of a fault are shown in FIGS. 4a, 4h. Shortly or immediately after the occurrence of a fault in a 10/28 10 201217901
    Plant part, which is located downstream of the intermediate road Z, the endless produced Vorband 30 coming from the roughing mill 5 by the scissors 9, which is designed as pendulum scissors, cut off (Fig 4a shows the situation before the cut).
    By cutting a strand portion 21 is formed, which extends from the scissors 9 in the transport direction 7. Subsequently, the strand section 21 is clamped by the clamping device 23 (FIG. 4b shows the situation immediately before the clamping of the strand section 21), wherein the two rollers of the clamping device are pressed against the strand section 21 by a clamping cylinder (not shown).
    In addition, at least the above the roller table 4 arranged heating modules 12a are extended transversely to the transport direction (the extension of the heating modules 12a is shown by a side view of an arrow). According to FIG. 4b, both the upper and lower heating modules 12a are extended, the extended heating modules being shown in dashed lines in FIG. 4c. The cut strand section 21 is lifted in Fig. 4c by the two lifting devices 11 in the vertical direction. In this case, the clamping of the strand section 21 ensures that the foot of the strand section 21 is pulled away by the lifting of the scissors 9. The foot of the raised strand portion 21 has a vertical and a horizontal offset to the nachvorenden pre-strip 30. FIG. 4 d shows the situation after lifting, wherein a preliminary strip 30, which is supported by the roller table 4, continuously follows from the rough rolling line 5.
    After the head of the Vorbands 30 has a certain distance (for example, 10m) to the scissors 9, the pair of scissors 9 cuts from the pre-strip 30 a Vorbandabschnitt 10 from. After cutting, the pre-strip section 10 is accelerated by at least one driven roller 20 in the transport direction 7, so that the pre-strip section 10 has a horizontal distance to the scissors 9 (FIG. 4f shows the situation when the pre-strip section 10 is accelerated). 11/28 11 201217901
    Finally, the preliminary strip section 10 is pushed out of the drawing plane by the two discharge devices 8, so that the roller table 4 is cleared between the two discharge devices 8. Before restarting the endless operation, the strand section 21 is e.g. removed by a crane.
    5 shows a hinged heating module of an induction furnace, which can be folded out of the region above the pre-strip 30 by an actuating device, not shown, via a horizontal axis of rotation, which is aligned parallel to the transport direction 7. The unfolded position is shown in dashed lines in the figure.
    In the embodiment of the invention, a Vorbandabschnitt 10 as viewed in elevation out of the discharge device 8 of the drawing plane out promotes. Of course, it would also be possible to modify the outfeed device 8 in such a way that the pre-strip section 10 is conveyed out into the plane of the drawing. A device suitable for this purpose is known from WO 2009/121678 A1.
    While the invention has been further illustrated and described in detail by the preferred embodiments, the invention is not limited by the disclosed examples, and other variations can be derived therefrom by those skilled in the art without departing from the scope of the invention. 12/28 12 201217901
    LIST OF REFERENCE NUMBERS
    1 2 3 4 5 6 7 8 9,9a, 9b 10 11 12 12a 13 14 15 16 17 18 19 20 21 23 24 25 27 29 30 31 32 33 31 '32' 33 '40 Z
    Casting and rolling plant
    continuous casting
    Raw material
    roller table
    roughing
    Device for cutting and discharging Transport direction Scraper device Scissors
    Vorbandabschnitt Lifting device induction furnace
    Heating module of the induction furnace
    Entzünderungsanlage
    Finish rolling line cooling section
    scissors
    Storage device lowerable roller table scrap piece roller
    strand section
    clamper
    lifting cylinder
    Abschubzylinder
    walking beam
    axis of rotation
    Vorband first roll second roll third roll n-th roll n + l-th roll n + 2-th roll
    finished strip
    Interstate area 13/28
    权利要求:
    Claims (15)
    [1]
    Claims 1. A cast-rolled composite plant (1) for the production of hot-rolled products, comprising - a continuous casting machine (2) for continuously casting a strand of endless semi-finished material (3); subsequently - a roughing train (5) for roughing the strand of the starting material (3) to a pre-strip (30); an intermediate road section (Z) comprising a shears (9) for cutting the sliver (30), a lifting device (11) for lifting a strand section (21), a discharge device (8) for discharging a sliver section (10), an induction furnace ( 12) for heating the Vorbands (30) to rolling temperature and a roller table (4) with a plurality of successively arranged in the transport direction rollers (20,31,32,33), wherein the rollers form a transport path for the pre-strip (30); subsequently - a finish rolling line (14) for finish rolling the Vorbands (30) to a finished strip (40); subsequently - a cooling section (15) for cooling the finished strip (40); and subsequently - a storage device (17) for winding or stacking the finished strip (40), characterized in that in the intermediate road area (Z) a first roller (31), a second roller (32) and a third roller (33) of the roller table ( 4) in the transport direction (7) are arranged one behind the other, wherein in the region between the first roller (31) and the second roller (32) at least one of the group - a lifting device (11), and - a discharge device (8) is arranged , and in the region between the second roller (32) and the third roller (33) at least one heating module (12a) of the induction furnace (12) is arranged.
    [2]
    2. A cast-rolled composite plant (1) for producing hot-rolled products, comprising: a continuous casting machine (2) for continuously casting a strand of endless starting material (3); subsequently - a roughing train (5) for roughing the strand of the starting material (3) to a pre-strip (30); an intermediate road section (Z) comprising a shears (9) for cutting the sliver (30), a lifting device (11) for lifting a strand section (21), a discharge device (8) for discharging a sliver section (10), an induction furnace ( 12) for heating the Vorbands (30) to rolling temperature and a roller table (4) with a plurality of successively arranged in the transport direction rollers (20,31,32,33), wherein the rollers form a transport path for the pre-strip (30); subsequently - a finish rolling line (14) for finish rolling the Vorbands (30) to a finished strip (40); subsequently - a cooling section (15) for cooling the finished strip (40); and subsequently - a storage device (17) for winding or stacking the finished strip (40), characterized in that in the intermediate road area (Z) an n-th roll (31 '), a (n + l) -th roll (32') and a (n + 2) th roller (33 ') of the roller table (4) are arranged one behind the other in the transporting direction (7), wherein in the area between the nth roller (31') and the (n + l) th Roll (32 ') is arranged a heating module (12a) of the induction furnace (12), and in the region between the (n + l) -th roller (32') and the (n + 2) -th roller (33 ') at least one of the group - a lifting device (11), and - a discharge device (8), is arranged.
    [3]
    3. Installation according to one of the preceding claims, characterized in that the roughing train (5) has one or more rolling mills. 15/28 15 201217901
    [4]
    4. Installation according to one of the preceding claims, characterized in that the scissors (9) is a pendulum scissors or a drum shears.
    [5]
    5. Installation according to one of the preceding claims, characterized in that the lifting device (11) comprises at least one lifting cylinder (24) and a transverse to the transport direction Hubbalken (27), wherein the lifting beam (27) by the lifting cylinder (24) in the vertical Direction can be raised and lowered.
    [6]
    6. Installation according to one of the preceding claims, characterized in that the discharge device (8) comprises at least one transverse to the transport direction Abschubzylinder (25), so that the Vorbandabschnitt (21) by the Abschubzylinder (25) in the horizontal direction from the roller table (4) can be deported.
    [7]
    7. Installation according to one of the preceding claims, characterized in that the induction furnace (12) between two in the transport direction successively arranged rollers (31,32,33) has a heating module (12a) above the transport path and an associated actuator, and that the heating module (12a) by the actuator from a region which is bounded by two vertical planes of the transport path can be moved.
    [8]
    8. Installation according to claim 7, characterized in that the heating module (12 a) by the actuating device transversely to the transport direction (7) is extendable.
    [9]
    9. Plant according to claim 7, characterized in that the heating module (12a) can be swung out of the area by the actuating device.
    [10]
    10. Installation according to one of the preceding claims, characterized in that the induction furnace (12) between two in the transport direction successively arranged rollers 16/28 16 201217901 (31,32,33) has a heating module (12a) below the transport path.
    [11]
    11. Installation according to one of the preceding claims, characterized in that in the intermediate road area (Z) after the transport direction (7) last lifting device (11) a clamping device (23) is arranged.
    [12]
    12. Plant according to claim 11, characterized in that the clamping device (23) comprises a clamping cylinder and in a plane normal to the transport direction (7) comprises two rollers (20), wherein at least one roller by the clamping cylinder to the strand section (21) can be pressed ,
    [13]
    13. Plant according to claim 12, characterized in that the clamping cylinder is a hydraulic cylinder.
    [14]
    14. Installation according to one of the preceding claims, characterized in that the finishing train (14) has one or more rolling mills.
    [15]
    15. Installation according to one of the preceding claims, characterized in that the storage device (17) is a take-up device for winding the finished strip into bundles or a stacking device for stacking the finished strip. 17/28
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    同族专利:
    公开号 | 公开日
    CN103624081A|2014-03-12|
    DE102013213418B4|2019-04-25|
    DE102013213418A1|2014-02-20|
    CN103624081B|2016-03-16|
    AT513298B1|2017-03-15|
    ITMI20131381A1|2014-02-21|
    引用文献:
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    DE102008003222A1|2007-09-13|2009-03-19|Sms Demag Ag|Compact flexible CSP system for continuous, semi-continuous and batch operation|
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    AT506603B8|2008-04-04|2010-03-15|Siemens Vai Metals Tech Gmbh|METHOD AND DEVICE FOR A CAST IRONING COMPOSITE|
    IT1402238B1|2010-07-21|2013-08-28|Danieli Off Mecc|PROCEDURE AND PLANT FOR CASTING AND CONTINUOUS LAMINATION TO MAKE LONG METAL LAMINATE PRODUCTS|KR101594717B1|2014-12-24|2016-02-17|주식회사 포스코|Rolling method, continuous casting and rolling method and apparatus|
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    CN109048222B|2018-09-04|2020-08-14|浙江永杰铝业有限公司|Production method of 3005-H16 aluminum alloy plate strip|
    法律状态:
    2019-04-15| MM01| Lapse because of not paying annual fees|Effective date: 20180820 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA50327/2012A|AT513298B1|2012-08-20|2012-08-20|Interstate area of a cast-rolled composite plant|ATA50327/2012A| AT513298B1|2012-08-20|2012-08-20|Interstate area of a cast-rolled composite plant|
    DE102013213418.5A| DE102013213418B4|2012-08-20|2013-07-09|Interstate area of a cast-rolled composite plant|
    IT001381A| ITMI20131381A1|2012-08-20|2013-08-09|INTERMEDIATE AREA BETWEEN A CASTING AND LAMINATION COMPOSITE PLANT|
    CN201310363606.7A| CN103624081B|2012-08-20|2013-08-20|The intermediate mill region of casting rolling equipment complex|
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