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CN1938110A - CSP continuous casting device with a roller hearth furnace and pivoting conveyors - Google Patents

CSP continuous casting device with a roller hearth furnace and pivoting conveyors Download PDF

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Publication number
CN1938110A
CN1938110A CNA2005800103399A CN200580010339A CN1938110A CN 1938110 A CN1938110 A CN 1938110A CN A2005800103399 A CNA2005800103399 A CN A2005800103399A CN 200580010339 A CN200580010339 A CN 200580010339A CN 1938110 A CN1938110 A CN 1938110A
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Prior art keywords
continuous casting
casting plant
hearth furnace
rolling
parallel
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CN1938110B (en
Inventor
J·施韦伦巴赫
H·奈菲尔
D·罗森塔尔
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SMS Siemag AG
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SMS Demag AG
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    • 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
    • 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
    • B21B1/22—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 plates, strips, bands or sheets of indefinite length
    • B21B1/24—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • 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
    • B21B1/463—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 continuous process, i.e. the cast not 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
    • B21B39/004—Transverse moving
    • 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
    • B21B39/14—Guiding, positioning or aligning work
    • B21B39/18—Switches for directing work in metal-rolling mills or trains
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Glass Compositions (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Abstract

The invention relates to a continuous casting system (1) comprising at least one continuous casting part, optionally at least one reductor unit, at least one separating device and one or several devices (3) for tempering the strip. In order to increase production of said systems and to expand the steel goods that are to be conveyed, at least one roll line (8) is arranged parallel to the continuous casting system (1) with means (10, 10') for inwardly transporting various slab formats into the continuous casting line (1).

Description

具有辊底式炉和回转运输机的CSP连铸设备CSP continuous casting plant with roller hearth furnace and rotary conveyor

本发明涉及一种连铸设备，其包括至少一个连铸部分、必要时至少一个还原单元、至少一个分割装置以及一个或者多个用于带材退火的装置以及一个后置的轧钢机列。The invention relates to a continuous casting installation comprising at least one continuous casting section, optionally at least one reduction unit, at least one dividing device and one or more devices for strip annealing and a downstream rolling train.

所谓的CSP设备(紧凑式带钢生产设备)实现了热轧带材连续和明显更短时间的生产。在此将来自浇注罐的液态钢浇注到一个分配槽中，并借助于一个潜管从该分配槽浇注到一个结晶器中。该结晶器具有漏斗的形状，其在其高度的最后三分之一处才还原到两个平行的宽面。结晶器形状相应于冷却的钢的典型的收缩变化形状。该漏斗的优点还在于，钢会少应力地且无缺陷地固化。接着剪断机将以这种方式快速理想地固化的、具有大约50mm厚度的薄钢锭在其通过连续式炉加热到1150度的均匀轧制温度前进行分割。接着在精轧机列上进行轧制，精轧机列设计用于宽900至1600mm，并且厚度为0.8至6.53mm。六台或者七台高功率轧钢机座用于生产极薄的钢板，最后带材通过一个长的冷却段移动到卷取机，该卷取机将带材卷绕成钢卷。利用CSP设备生产具有有利的翼型特性(Profileigenschaft)、最佳表面质量以及很小尺寸公差的高品质热轧带材。So-called CSP plants (Compact Strip Production Plants) enable the continuous and significantly shorter production of hot strip. Liquid steel is poured here from a pouring tank into a distribution trough and from there into a mold by means of a submerged pipe. The crystallizer has the shape of a funnel which only reduces to two parallel broad faces in the last third of its height. The mold shape corresponds to the typical shrinkage shape of cooled steel. The funnel also has the advantage that the steel solidifies stress-free and defect-free. The shears then divide the thin steel ingot, which has solidified quickly and ideally in this way, with a thickness of approximately 50 mm, before it is heated by a continuous furnace to a uniform rolling temperature of 1150° C. Rolling then takes place on a finishing train designed for a width of 900 to 1600 mm and a thickness of 0.8 to 6.53 mm. Six or seven high-powered rolling stands are used to produce extremely thin steel plates, and finally the strip moves through a long cooling section to the coiler, which winds the strip into coils. CSP plants produce high-quality hot-rolled strip with favorable profile properties (Profileigenschaft), optimum surface quality and tight dimensional tolerances.

由文献EP 1 363 750 B1公开了一种用于运行铸坯轧制设备的方法，该铸坯轧制设备包括至少一个钢锭生产线和至少一个轧钢机列以及至少一个钢锭输入装置，其在制造技术方面取决于钢锭生产线。在钢锭生产线生产暂停期间，钢锭输入装置根据物流以及/或者生产技术规定承担将钢锭输送到轧钢机列的任务，直到最大可实现的程度。所述其它钢锭生产线是厚钢锭生产线，其中铸坯轧制设备的钢锭输入装置从一个钢锭仓库中获得其钢锭，在钢锭仓库中按制造技术对预制钢锭进行缓冲。这些钢锭在一个自身的初轧机列中降低到能够卷绕的厚度。钢卷在铸造设备后面直接输送给轧钢机列。Disclosed by document EP 1 363 750 B1 is a method for operating a slab rolling plant, which comprises at least one ingot production line and at least one rolling train and at least one ingot input device, which in manufacturing technology Aspects depend on the ingot production line. During a production stoppage of the ingot line, the ingot feeder assumes the task of conveying the ingots to the rolling train to the maximum achievable extent according to logistical and/or production technology regulations. The other ingot production line is a thick ingot line, in which the ingot feeder of the slab rolling plant receives its ingots from an ingot warehouse in which prefabricated ingots are buffered according to manufacturing technology. These ingots are reduced to coilable thickness in a separate blooming train. The coils are fed directly to the rolling train after the casting plant.

本发明的任务是在CSP设备、也就是在薄钢锭设备上提高生产率以及扩宽待运输的货物。The object of the invention is to increase the productivity and to widen the load to be transported in a CSP plant, that is to say a thin steel ingot plant.

该任务在具有权利要求1前序部分所述特征的连铸设备的情况下如此解决，为连铸设备设置至少一个平行延伸的轧制线，其具有将不同规格的钢锭加入连铸设备生产线的机构。通过由平行的轧制线加入不同规格的钢锭，实现了这种生产率的提高，使得实现了后接的轧制线最充分的利用，并且实现了钢材料不受限制的使用。This object is solved in the case of a continuous casting plant with the features stated in the preamble of claim 1 in that at least one rolling line extending in parallel is provided for the continuous casting plant, which has the function of feeding ingots of different sizes into the continuous casting plant production line mechanism. This increase in productivity is achieved by feeding ingots of different sizes from parallel rolling lines, allowing the best utilization of subsequent rolling lines and an unlimited use of steel material.

在本发明的改进方案中，为了将钢锭加入连铸生产线设置了回转运输机或者平行运输机。由此还可以将对为使用而来自平行轧制线的钢锭进行检查，并在必要时进行必要的后处理。In an improved solution of the present invention, a rotary conveyor or a parallel conveyor is provided for feeding the steel ingots into the continuous casting line. This also makes it possible to inspect the steel slabs coming from the parallel rolling line for use and, if necessary, carry out the necessary post-processing.

在按本发明的连铸设备的改进方案中，回转运输机或者平行运输机至少部分是平炉，尤其是辊底式炉。由此对于加入的钢锭实现了最佳的热传导以及最佳的温度平衡。In a development of the continuous casting plant according to the invention, the rotary conveyor or the parallel conveyor is at least partially an open hearth furnace, in particular a roller hearth furnace. An optimum heat conduction and an optimum temperature balance are thereby achieved for the incoming steel ingot.

在连铸设备的另一种改进方案中，回转运输机具有与连铸设备的运输方向反向的运输方向，由此整个连铸设备就可以构造地极其紧凑。In a further development of the continuous casting plant, the rotary conveyor has a transport direction opposite to the transport direction of the continuous casting plant, so that the entire continuous casting plant can be constructed extremely compactly.

在连铸设备的理想结构方案中，平行轧制线具有一个平炉和一个初轧机，该初轧机列具有水平和垂直顶锻机架(Stauchgeruest)或钢板轧制机架，以用于将加入的钢锭降低到CSP设备所要求的初始厚度，该初始厚度例如在40和70mm之间。借助于根据本发明的措施有利地实现了，可以在连铸设备上后接一个或者多个串联机架机列作为精轧机列，从而总体上产生一种生产率明显提高并且对于待运输的货物进行扩宽的CSP设备。In the ideal construction concept of a continuous casting plant, the parallel rolling line has an open hearth furnace and a blooming mill train with horizontal and vertical upset stands (Stauchgeruest) or plate rolling stands for the incoming The ingot is reduced to the initial thickness required by the CSP plant, for example between 40 and 70 mm. By means of the measures according to the invention it is advantageously achieved that one or more series-connected stand trains can be connected downstream of the continuous casting plant as finishing trains, thereby resulting in a marked increase in productivity overall and an efficient production process for the goods to be transported. Widened CSP equipment.

根据示例性的实施例对本发明进行更详细地描述。The invention is described in more detail based on exemplary embodiments.

附图示出：The accompanying drawings show:

图1示出了一个具有双线路连铸设备的CSP设备，具有一个平行的轧制线，用于将钢锭借助于回转运输机加入连铸设备以及后接的精轧机列。FIG. 1 shows a CSP plant with a twin-line continuous casting plant with a parallel rolling line for feeding ingots into the continuous casting plant by means of a rotary conveyor and a subsequent finishing train.

在连铸设备1中，将液态钢从坩锅炉2浇注到未详细示出的中间容器中，并且借助于浸入式浇注管将液态钢从该中间容器浇注到漏斗结晶器中，其中浸入式浇注管同样没有示出。从漏斗结晶器将固化的钢借助于导向机架转向到一个水平辊道上，并在那里由分割装置分割成薄钢锭长度。薄钢锭到达辊底式炉3，以便其在那里被加热到大约1150度的均匀轧制温度，在该温度中进行平衡，并在必要时进行缓冲。将分割的具有大约50mm厚度的薄钢锭输入后接的精轧机列，在该精轧机列中，薄钢锭在多个机架5中降低到0.8至6.35mm。接着将轧制的带材输入一个具有分层冷却装置(Laminarkuehlung)的冷却段6，接着用卷取机7卷绕成所谓的钢卷。In the continuous casting plant 1, liquid steel is poured from a crucible boiler 2 into an intermediate vessel not shown in detail, and from this intermediate vessel it is poured into a funnel mold by means of a submerged pouring tube, wherein the submerged pouring The tubes are likewise not shown. From the funnel mold the solidified steel is diverted by means of guide frames onto a horizontal roller table where it is divided into thin ingot lengths by a dividing device. The thin steel ingot reaches the roller hearth furnace 3 so that it is heated there to a uniform rolling temperature of about 1150° C., equilibrates at this temperature and, if necessary, buffers it. The split thin steel slabs with a thickness of approximately 50 mm are fed into a subsequent finishing train in which the thin steel slabs are lowered to 0.8 to 6.35 mm in a plurality of stands 5 . The rolled strip is then fed into a cooling section 6 with a laminar cooling device (Laminarkuehlung), where it is then wound up into so-called coils with a coiler 7 .

为了提高所述CSP设备的生产率，并拓宽待输送的货物，除了连铸设备1还设置了平行的轧制线8，例如具有一个用于传统厚度的厚钢锭或者中等厚度的钢锭的炉以及一个双机架的初轧机列9或者钢板轧制机架，借助于它们可以将加入连铸设备1中的钢锭在CSP设备上降低到大约50mm的厚度。这些钢锭通过回转运输机或者平行运输机10或者10′从外部加入CSP线，并在那里设置的辊底式炉3中加热到必要的轧制温度，并在该温度中进行平衡，使得其接下去可以输入后接的精轧机列4，并在该精轧机列中能够以上述方法进行轧制、冷却以及卷绕成钢卷。In order to increase the productivity of the CSP plant and to widen the goods to be conveyed, a parallel rolling line 8 is provided in addition to the continuous casting plant 1, for example with a furnace for thick or medium-gauge ingots of conventional thickness and a A two-stand blooming train 9 or a plate rolling stand, by means of which the steel ingot fed into the continuous casting plant 1 can be lowered to a thickness of approximately 50 mm on the CSP plant. These ingots are fed into the CSP line from the outside via rotary conveyors or parallel conveyors 10 or 10' and are heated to the necessary rolling temperature in the roller hearth furnace 3 provided there and equilibrated at this temperature so that they can be subsequently The input follows the finishing train 4 in which rolling, cooling and coiling can take place in the above-described manner.

Claims (6)

1.连铸设备(1)，其包括至少一个连铸部分、必要时至少一个还原单元、至少一个分割装置以及一个或者多个用于带材退火的装置(3)以及一个后置的轧钢机列(4)，其特征在于：为所述连铸设备设置至少一个平行延伸的轧制线，其具有用于将不同规格的钢锭加入连铸设备(1)的生产线中的机构(10、10′)。1. A continuous casting plant (1) comprising at least one continuous casting section, optionally at least one reduction unit, at least one dividing device and one or more devices (3) for strip annealing and a downstream rolling mill row (4), characterized in that at least one rolling line extending in parallel is provided for the continuous casting plant, which has mechanisms (10, 10) for feeding ingots of different sizes into the production line of the continuous casting plant (1) '). 2.按权利要求1所述的连铸设备，其特征在于：为了将所述钢锭加入连铸设备的生产线中，设置了回转运输机或者平行运输机(10、10′)。2. The continuous casting plant according to claim 1, characterized in that a rotary conveyor or a parallel conveyor (10, 10') is provided for feeding the steel slabs into the production line of the continuous casting plant. 3.按权利要求1或者2所述的连铸设备，其特征在于：所述回转运输机或者平行运输机(10、10′)至少部分是平炉，尤其是辊底式炉(3)。3. Continuous casting plant according to claim 1 or 2, characterized in that the rotary conveyor or parallel conveyor (10, 10') is at least partly an open hearth furnace, in particular a roller hearth furnace (3). 4.按权利要求1、2或者3所述的连铸设备，其特征在于：所述回转运输机(10、10′)具有与连铸设备的运输方向反向的运输方向。4. The continuous casting plant according to claim 1, 2 or 3, characterized in that the rotary conveyor (10, 10') has a transport direction opposite to the transport direction of the continuous casting plant. 5.按权利要求1至4中一项或者多项所述的连铸设备，其特征在于：所述平行轧制线(8)具有一个平炉和一个初轧机列(9)，该初轧机列具有水平和垂直顶锻机架或者说钢板轧制机架，用于将加入的钢锭的厚度降低到CSP设备要求的初始厚度，该初始厚度例如在40和70mm之间。5. Continuous casting plant according to one or more of claims 1 to 4, characterized in that the parallel rolling line (8) has an open hearth furnace and a blooming train (9), which There are horizontal and vertical upset stands or plate rolling stands for reducing the thickness of the incoming steel ingot to the initial thickness required by the CSP plant, for example between 40 and 70 mm. 6.按权利要求1至5中一项或者多项所述的连铸设备，其特征在于：所述按权利要求1至5所述的连铸设备(1)后面连接着一个串联机架机列(5)作为精轧机列(4)，其具有冷却段(6)、卷取机(7)以及必要时其它设备部分如剪断机或者类似机构。6. The continuous casting plant according to one or more of claims 1 to 5, characterized in that a series frame machine is connected behind the continuous casting plant (1) according to claims 1 to 5 Train ( 5 ) serves as finishing mill train ( 4 ) with a cooling section ( 6 ), a coiler ( 7 ) and possibly other equipment parts such as shears or the like.
CN2005800103399A 2004-12-03 2005-12-02 CSP continuous casting plant with roller hearth furnace and rotary conveyor Expired - Fee Related CN1938110B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004058550A DE102004058550A1 (en) 2004-12-03 2004-12-03 CSP continuous caster with roller hearth furnace and swivel ferries
DE102004058550.4 2004-12-03
PCT/EP2005/012900 WO2006058771A1 (en) 2004-12-03 2005-12-02 Csp continuous casting system with a roller hearth furnace and pivoting conveyors

Publications (2)

Publication Number Publication Date
CN1938110A true CN1938110A (en) 2007-03-28
CN1938110B CN1938110B (en) 2010-09-29

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Application Number Title Priority Date Filing Date
CN2005800103399A Expired - Fee Related CN1938110B (en) 2004-12-03 2005-12-02 CSP continuous casting plant with roller hearth furnace and rotary conveyor

Country Status (7)

Country Link
US (1) US20080257522A1 (en)
EP (1) EP1708830B1 (en)
JP (1) JP4001617B2 (en)
CN (1) CN1938110B (en)
AT (1) ATE359134T1 (en)
DE (2) DE102004058550A1 (en)
WO (1) WO2006058771A1 (en)

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CN102341198A (en) * 2009-11-21 2012-02-01 Sms西马格股份公司 System and method for casting and rolling metal
CN103826764A (en) * 2011-09-28 2014-05-28 三菱日立制铁机械株式会社 Hot rolling facility

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CN101250266B (en) * 2008-03-27 2011-09-07 上海三爱富新材料股份有限公司 Fluorine-silicon copolymer rubber and preparation method thereof
WO2013046347A1 (en) * 2011-09-28 2013-04-04 三菱日立製鉄機械株式会社 Hot rolling equipment
WO2013046345A1 (en) * 2011-09-28 2013-04-04 三菱日立製鉄機械株式会社 Hot rolling facility
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DE102004058550A1 (en) 2006-06-14
WO2006058771A1 (en) 2006-06-08
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DE502005000588D1 (en) 2007-05-24
EP1708830B1 (en) 2007-04-11

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