CN1259888A - 金属带材的生产 - Google Patents

金属带材的生产 Download PDF

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CN1259888A
CN1259888A CN98806008A CN98806008A CN1259888A CN 1259888 A CN1259888 A CN 1259888A CN 98806008 A CN98806008 A CN 98806008A CN 98806008 A CN98806008 A CN 98806008A CN 1259888 A CN1259888 A CN 1259888A
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stocking
strand
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拉尔夫·G·海恩斯
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POSEC-EUROPE Ltd
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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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • 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
    • F27D3/0024—Charging; Discharging; Manipulation of charge of metallic workpieces
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
    • F27B9/021—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces having two or more parallel tracks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Metal Rolling (AREA)
  • Continuous Casting (AREA)

Abstract

一种多流连铸机(2或34),其下游有用于接收铸坯(E、F)的加热炉装置(12或36),在加热炉装置的下游有用于将铸坯轧制成带材的一热带材轧机(28)。所述加热炉装置包括移送装置,该移送装置包括一个具有足够宽度的辊道(14)以容纳至少两个平行的轧材并带有可在辊子之间移动的支承装置(16),所述移送装置用于使轧材脱离辊子并能使轧材在两个交替的路径位置之间被移送。

Description

金属带材的生产
本发明涉及用熔融金属生产金属带材的设备。能够铸造金属轧材的连铸机是公知的。通常连铸机具有一个结晶器，其成型通道的纵向轴线垂直布置，并且离开该结晶器的铸造轧材被旋转了90°，从而在一个水平的方向上移动。结晶器可具有一个弯曲的成型通道，该成型通道使得铸造轧材沿一个倾斜于垂直方向的方向离开结晶器，并且在该结晶器的下游设置有用于完成将铸造轧材的运动方向改变成水平方向的操作的装置。
在铸造之后，轧材被切成具有适宜的长度，随后这些轧材段一次一个地在一多机架热带材轧机中进行轧制以生产具有所需厚度的带材。在连铸机和轧机之间设置有加热炉装置，用于将铸造轧材的温度保持在一个适于进入热带材轧机的数值上。
热带材轧机的生产能力可能大于连铸机的生产能力，因此最好设置两台连铸机，于是可以交替地在热带材轧机中轧制分别来自两台连铸机的轧材。然而这就需要额外的输送设备来移送轧材并以所要求的速率将它们供给轧机的输入路径。另一种方法是，可以设置一台“多流”连铸机，它能够形成至少两个平行的铸坯，从而生产出一组成对的相邻铸造轧材。这具有显著的优点，即使整套设备更加紧凑，但是仍然需要适当的输送装置来接收来自连铸机的轧材并将它们输送到轧机中去。
根据本发明，一种用于生产金属带材的设备包括：一台用于由熔融金属形成铸坯的多流式连铸机；位于连铸机的下游且用于接收铸坯的加热炉装置；以及一台热带材轧机，它位于加热炉装置的下游，用于将铸坯轧制成带材，其中连铸机被设置成能生产出至少两个平行的铸坯，然后这些铸坯通过剪切装置被剪切成不相连的轧材，所述加热炉装置包含有移送装置，该移送装置包括一个具有足够宽度以容纳至少两个平行的轧材的辊道，并且在辊子之间具有可动的支承装置，移送装置用于使轧材离开辊子并使它能够在两个可供选择的路径位置之间移动。
最好这样地进行布置：第一铸坯路径与轧机一致，移送装置适于在每次来自所述第一路径的轧材已经被送入轧机时将来自这一路径或另一路径的轧材转移到在线位置上。由于采用了一台具有两个彼此独立的铸坯的连铸机，在一台双排式加热炉之前设有一个“保温输送装置”(Enco transfer)，在该“保温输送装置”之前设有单独的铸坯加热炉，并且该输送装置被设置用来将来自连铸机的第二铸坯的轧材移到一个更靠近第一条铸坯的路径的中间位置上，从而可使双排式加热炉做得尽可能地窄。
在一套典型的设备中，为了使轧机的产出最优化，必须允许有每年2-3百万吨的最小产量，而一台典型连铸机的每一条铸坯生产线每年将生产大约1百万吨。因此，如果一台双流式连铸机的产量能充分地供应给一单线式轧机，那么就可能获得一个比用其它方法更加有效的设备利用率。
在采用对开式结晶器的连铸机中，不需要设置“保温输送装置”，这是因为铸坯路径在一台也安装有上述移送装置的单一的加热炉中一开始就离得很近。
现在将参照附图只通过举例的方式对本发明的实施例进行说明：
图1为根据本发明的第一种连铸机设备的布置的平面示意图；
图2为沿着图1中(还有图3中的)的X-X线剖开的垂直剖视图，图中示出了移送装置；以及
图3为第二种连铸机设备的平面示意图，该设备也安装有图2中的移送装置。
参照图1，双流式连铸机2装有熔融金属并且生产出一对平行的厚度在50mm到100mm之间的铸坯，它们是被垂直地进行铸造的，然后它们被转过90°即转到水平的位置。使这两个轧材通过相应的将其剪切成一定长度的剪切机组4，每一段经剪切的轧材然后进入一台相应的隧道式加热炉6或8中。这些加热炉可保持轧材的温度，这样它们在进入轧机之前就不会被冷却得太多。
从图中可以看出，其中一个加热炉6是和通过轧机的路径的其余部分的轴线对准的，而另一个加热炉8以双流式连铸机的两个输出线之间的一个正常间距偏置。如图所示，这就形成了一对最初的被安放在两个加热炉中的轧材A和B中。
第一对加热炉的后面是一台“保温输送装置”，该输送装置具有一个与轧机的主路径对准即与轧材B对准的“固定的保温站(Encostation)”10以及一个与之平行的适于接收在位置A的轧材的“保温输送站(Enco transfer station)”。在位于位置B的轧材往前移动到在“固定的保温站”10中的位置D的同时，位于位置A的轧材将会向前移入“保温输送输送站”11中，然后“保温输送站”11会将它横向移到位置C上，从而两个轧材就被安置在大约1900mm的中心区域上。以一种公知的方式设置“保温站”，以便能使轧材在不同的位置之间进行输送而没有太多的热量损失。
“保温输送装置”的后面是一台“双排式加热炉”12，在图2中示出了该加热炉的横截面。使在位置C和D上的两个轧材向前移入加热炉12，以便占据相邻的位置E和F，在这里它们被支承在一个辊道14上，该辊道设有伸缩指16，该伸缩指使得位于位置E上的轧材能够被移动到位置F上，这将在下面进行更详细的描述。伸缩指支承在“升/降”臂18上，以便能使位于位置E上的轧材被抬离辊道14，并且升降臂又安装在一移送装置20上，该移送装置20能够横向地来回运动以在位置E和F之间提供必要的运动。
在操作中，在最初一对轧材已经被输送到“保温站”10、11中的位置C和D上并接着被向前移动到位置E和F之后，在位置E的轧材在伸缩指16上被抬高以清空辊道，从而在位置F上的轧材可再次向前移动到位于一台单排式加热炉22中的位置G，以便继续沿着轧制线走下去。随后，在位置E处承载轧材的伸缩指16被移送装置20的横向驱动装置横向移动，从而将轧材从位置E移动到位于F处的在线位置上，然后伸缩指下降并返回其起始位置。随后再次启动辊子，从而这根轧材就跟随着前面的轧材进入位置G，由此等待在位置C和D处的下一对轧材现在可以(如果需要的话可以同时)向前移动到位置E和F。现在通过将在位置E的新轧材抬起以清空辊子，同时使当前占据着位置F的轧材向前移到位置G等重复上述过程。因此值得推荐的是，这种布置允许每一个占据着可选择的位置C和D的轧材交替地转移到位置F上，并准备转移到位于G处的单排式加热炉22中。
加热炉22的后面接着的是更传统的轧机机架，包括一台粗轧/轧边机24，以及限定着一个位置H的一台再加热炉26，该加热炉通向精轧机组28，在精轧机组之后设有一对地下卷取机30和32。
在所示的实施例中，轧材被铸造成厚度大约为50mm、宽度为900到1350mm，并且以每分钟3至5米的速度进入剪切机。剪切机被设置成将铸坯剪切成25米长的坯料段，并且所轧制的带材最后将会以每秒5-12米的速度从精轧机组中排出。最好设置两台地下卷取机30和32，它们可以轮流地被转换到接收位置上。
还值得重视的是，整个设备的尺寸能够被最大限度地减小，尤其是在其宽度上，因为来自双流式连铸机的两个铸坯在最初阶段A和B处相隔大约8米，而具有同样产量的替代布置方案则需要(举例来说)两台彼此独立的连铸机，它们必须相隔大约30米。“保温输送装置”的使用也能使双排式加热炉做得比其它可能的形式要更窄，这是通过将位置C和D布置在1900mm的中心区域上而不是在最初的8米中心区域上而实现的。
另一个简化是通过图3的布置来获得的，其中采用了“对开结晶器”连铸机34，从而两个铸坯彼此相隔得非常近。例如，结晶器可以具有一个只有150-300mm宽的中间分隔件，从而铸坯被相应地隔开，这样就能够省去图1的“保温输送装置”。由于两个铸坯以及由此而剪切成的轧材A和B间隔一个固定的间距，因此连铸机出口处的加热炉36的结构也可以更加简单了，并且只需要用于位置E、F(平行/在线)转换的移送装置14、16、18、20。
“对开结晶器”连铸机的另一个优点在于通过将中间分隔件取走就能够形成一个单一宽度的铸坯。

Claims (5)

1.一种用于生产金属带材的设备，包括：一台用于由熔融金属生产铸坯的多流式连铸机；位于连铸机的下游并用于接收铸坯的加热炉装置；以及一台位于加热炉装置的下游、用于将铸坯轧制成带材的热带材轧机，连铸机被设置成能生产至少两个平行的铸坯，随后这些铸坯通过剪切机构被剪切成分开的轧材；所述加热炉装置包括移送装置，该移送装置包括一个具有足够宽度的辊道以容纳至少两个平行的轧材并带有可在辊子之间移动的支承装置，所述移送装置用于使轧材脱离辊子并能使轧材在两个交替路径位置之间被传送。
2.如权利要求1所述的设备，其特征在于，其布置是这样的：第一条铸坯路径与轧机一致，移送装置适于在每当来自所述第一路径的轧材已经被送进轧机的时候将轧材从该路径或另一条路径移送到在线位置上。
3.如权利要求1或2所述的设备，具有一台能产生两个分开的铸坯的连铸机，并且其中在一台双排式加热炉之前设有一个“保温输送装置”，该输送装置之前设有独立的铸坯加热炉，所述输送装置被设置成将来自连铸机的第二铸坯的轧材移入一个更靠近第一铸坯的路径的中间位置上，从而该双排式加热炉可以被做得尽可能地窄。
4.一种基本上如以上参照附图1和2所述的用于生产金属带材的双流式连铸机设备。
5.一种基本上如以上参照附图3和2所述的用于生产金属带材的对开结晶器式连铸机设备。
CN98806008A 1997-06-09 1998-06-05 金属带材的生产 Pending CN1259888A (zh)

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GBGB9712010.9A GB9712010D0 (en) 1997-06-09 1997-06-09 Metal strip production
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BR (1) BR9809542A (zh)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102345008A (zh) * 2010-07-21 2012-02-08 丹尼尔和科菲森梅克尼齐有限公司 用于长形金属产品的温度保持和/或可能加热装置以及相关方法
CN102764762A (zh) * 2012-08-01 2012-11-07 中冶京诚工程技术有限公司 生产长材的连铸连轧装置和方法

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CN102345008B (zh) * 2010-07-21 2015-07-01 丹尼尔和科菲森梅克尼齐有限公司 用于长形金属产品的温度保持和/或可能加热装置以及相关方法
CN102764762A (zh) * 2012-08-01 2012-11-07 中冶京诚工程技术有限公司 生产长材的连铸连轧装置和方法

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AU7782698A (en) 1998-12-30
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