CN1026819C - 经连铸机铸造的毛坯跟成型加工后的毛坯之间的传热方法及装置 - Google Patents

经连铸机铸造的毛坯跟成型加工后的毛坯之间的传热方法及装置 Download PDF

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CN1026819C
CN1026819C CN87100192A CN87100192A CN1026819C CN 1026819 C CN1026819 C CN 1026819C CN 87100192 A CN87100192 A CN 87100192A CN 87100192 A CN87100192 A CN 87100192A CN 1026819 C CN1026819 C CN 1026819C
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CN1030132A (zh
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雨果·费尔德曼
克荣斯·施兰兹克
乌尔里克·斯维杰科夫斯基
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    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • 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
    • 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
    • F27B9/022—With two tracks moving in opposite directions
    • F27B9/023—With two tracks moving in opposite directions with a U turn at one end
    • F27B9/024—With two tracks moving in opposite directions with a U turn at one end with superimposed tracks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F27B9/025—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 having two or more superimposed 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
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the 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
    • F27B9/14—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
    • F27B9/22—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 on rails, e.g. under the action of scrapers or pushers
    • 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)
    • 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
    • F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
    • 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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • 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
    • F27B19/00—Combinations of furnaces of kinds not covered by a single preceding main group
    • F27B19/04—Combinations of furnaces of kinds not covered by a single preceding main group arranged for associated working
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S198/00—Conveyors: power-driven
    • Y10S198/952—Heating or cooling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49991—Combined with rolling

Abstract

有关把毛坯送到金属加工设备和(或)再加工设备之前的进行加热工作方法，这些毛坯是由连铸机浇铸出来的或在金属加工设备中加工的。此时热量是由浇铸时，或是变形时或加热时一批或几批成批毛坯产生的，成批毛坯在中间运输过程中或在储存过程中通过热传递接触传递给其它成批毛坯。热传递接触可在成批毛坯的单个毛坯之间通过辐射、对流(或)直接接触进行。

Description

本发明涉及到为了在由连铸机浇注的一批毛坯和在其送入金属加工设备例如轧制设备中加工后的另一批毛坯之间进行热传递的工作方法。该各批毛坯温度各不相同，造成热传递。
在许多不同的工作方法和设备中，毛坯首先沿着纵轴方向或垂直于纵轴方向被输送到储料场，为满足以后的再加工设备的需要，再从储料场送入加热炉中并加热到加工温度，然后再输送到相应的再加工设备中，为了再加工，可利用从连铸机来的毛坯中连续浇铸的热量。在众所周知的设置中，毛坯通过与再加工设备衔接的金属加工设备（毛坯轧机机列），不是冷却到储存温度，而是输送到轧钢厂的加热炉或设置在加热炉前的一个预热设备中。连铸机以一定的速度间断连续地生产毛坯，而此速度无例外地与其后面的加工设备或再加工设备的加工速度或加工时间不相适应，在连铸机和加热炉之间设置缓冲储存设备，而此设备用来均衡由于生产速度与再加工速度之间的差别而出现的生产能力的差异（DE-OS2723626）。众所周知在上述方法中要充分利用浇铸毛坯时的热量，这样把已经降温但还是热的毛坯送入同一个加热炉中。总的来说，由此缩短了加热到预定的加工温度的时间或者使送进去的热的毛坯在加热炉中的停留时间少于已经冷却的毛坯的停留时间。
此外，接JP-A-60-255201已公开，已进入轧制过程、并随后按长度切割的连铸（注）毛坯，被直接从连铸机出来进行长度切割、具有较高温度的毛坯重新加热。为此目的，毛坯被有选择地分层放置到运输车辆上;通过相互叠加的表面的接触，温度较高的毛坯向温度较低的毛坯释放热量，随后可将车辆上的毛坯共同进行轧制。间配合的困难，在实际运转过程中经常从储料场运来冷料。这样送到金属加工设备（轧钢机）中的这种毛坯，由于所需的料坯尺寸的改变或者由于故障而不能按预定的数量进行加工。此外也不可能在这种料坯中对不同尺寸或品质进行选择，按尺寸或不同品质的料坯进行加工需要投资很大的程序计划、以及对钢厂本身、连铸机和其后的再加工设备的控制，虽然支付了投资，而在大批量生产不同尺寸和（或）品质的产品时，整个设备还不是很灵活。另外还有缺点， 即整体设备各个部分相互之间在时间上不是独立地工作，而必须一起运转，因此就不可避免产生大量空载时间，而且仓库管理本身也要求巨大的组织管理投资。
研究表明，例如在具有一般轧制程序的小型钢材轧机中，采用众所周知的利用这种设备的工作方法，只能使占轧机总产量20%到30%左右的带有浇铸余热的毛坯投入生产。
除了应用现有工作方法带来的困难和缺点以外，还使在加工过程中对毛坯的检查和必要的修整不能在进出储料厂过程中的冷状态下而必须在热状态下进行。
本发明的任务是改善上述的工作方法和所属的设备及装置，以克服这些缺点并排除这些困难。一批或几批毛坯在浇铸加工或加热时，所产生的热量，在这些成批的毛坯的中间运输过程中和（或）在储存过程中，通过热传导传递给其它成批的毛坯。这时热传递可通过辐射，对流和（或）直接接触来进行，从一批或几批毛坯到其它成批毛坯的热传递接触，在输运的过程中将成批冷的毛坯放在热的毛坯上面至少可对其中一批毛坯起作用。两批毛坯进行输运，热传递接触可在成批毛坯的相对输送中进行。此外，在热传递接触过程中毛坯有可能同向运动。两批毛坯的热传递接触可通过相互交叉的输运来进行。在一些特殊情况下，热传递接触至少对放在其他成批上面的一批毛坯起作用。此外，本发明还规定，在热传递过程中，在成批的毛坯中至少有一批与其他成批的毛坯的距离保持不变。散热与吸热的各批毛坯的对应表面之间的距离只有数毫米。这些毛坯，至少是一批毛坯，在输运的前后或过程中（或）在热传递接触过程中可绕其纵轴旋转。正如本发明规定，成批的毛坯的热传递接触可在不同的输运速度下进行。此外还可能有某些不运动的成批毛坯。根据本发明成批的毛坯在几个并排的输运行列和（或）在重叠的输运面上输运以及吸热或散热的成批毛坯在吸热或散热成批毛坯的两侧输运是有利的。此外，本发明还规定，不需要输运的成批的毛坯存放在连铸机和变形加工设备之间的或二个金属加工设备之间的中间储料场中。成批的毛坯之间的热传递接触在一个密闭的绝热室中进行是适宜的。从连铸机和（或）从一个或多个金属加工设备或中间储料场运来的这些成批的散热的毛坯送到这种绝热室中。绝热室适当地用空气输导设备和必要时用附加的加热设备装备起来。假如生产状况需要，几个绝热室可连续和（或）相互平行排列起来。在热传递接触过程中，成批的毛坯可放置在二个或多个相叠的运输面上，并且至少各面中的一个面上的毛坯相对于相邻面上成批的毛坯进行一种旋转运动。本发明还可以把送到金属加工设备中的毛坯，通过在此设备中生产的加工产品来加热。
实施这种工作方法的设备由二个或多个并行排列和（或）相叠排列的支承炉篦和（或）推、拉、旋转或支承输运部件组成，以上这些都是各自互相独立的运转或部分能共同地运转。
根据本发明的工作方法，可以完全断开各种不同浇铸设备，金属
图2根据图1，设备的另一种结构。
图3具有支承炉篦的加热设备的侧视图。
图4图3中的A-A剖面图。
图5加热设备的中一种结构的俯视图。
图6图5中的B-B剖面图。
图7用垂直于输运方向的截面图。表示的设备的另一种结构。
从图1中可以看到，从连铸机St来的成批毛坯借助辊道R1沿着运输方向被连续地送入到绝热室WK1，在此室中，通过横向运输，它同由储料场L2通过辊道R3来的成批毛坯发生热传递，接着通过辊道R2送到储料场L1，而通过该过程加热的，上面已经提及的，从储料场L2来的成批毛坯通过辊道R4输送到再加热设备NW1中，在此设备中加热到加工温度，然后送入到后面的金属加工设备HW（毛坯轧机）中。经加工（轧制）的毛坯通过辊道R5到达绝热室WK2或通过辊道R0到达绝热室WK3。到达绝热室WK2的成批毛坯通过横向运动与由储料场L4经辊道R8来的成批毛坯发生热传递，接着通过辊道R7送入到储料场L3，而通过此过程加热的，由储料场L4来的成批毛坯，经辊道R6进入精轧机FW1前的再加热设备NW2。在绝热室WK2中进行上面已叙述过的，在绝热室WK1和WK2中发生的过程。通过辊道R0进入绝热室WK3的成批毛坯对由储料场L0来的和通过辊道R12进入到绝热室的各种长度的半成品进行加热，这些半成品接着通过辊道R11进入到附属于精轧机FW2的再加热设备NW3。
在图2给出的配置中，冷却下来的成批毛坯的 余热用于预热装在加热炉中的成批毛坯。冷却下来的毛坯通过辊道R14送入到绝热室WK4中，通过横向输运与由储料场L7通过辊道R13来的成批毛坯产生热传递，然后通过辊道R16送入到储料场L8，而被加热的从储料场L7来的成批毛坯通过辊道R15送入到加热炉WO中。
从图3中可看到，二个以一定距离相叠的炉篦放置毛坯。为接受从连铸机（未标出）来的成批的热毛坯HW的下层支承炉篦具有钢梁炉篦1，它们以一定的间距DK排列，而接受从储料场来的成批毛坯的HK，其上层炉篦只有二根钢梁炉篦2，这两根钢梁炉篦放置在与基础3连接的支架钢梁4上。辊道R1与带有钢梁炉篦1的下层支架炉篦相配合。辊道R1把由连铸机ST来的成批毛坯HW，沿着其纵轴方向运走（见图1），而后借助顶杆6接箭头P1的方向推到钢梁炉篦1上，并且向第二辊道R2方向上输送，辊道R2再将成批毛坯HK运送到储料场去。同时从储料场取出冷却的或通过辊道R3输送来的成批毛坯HK。辊道与上支承炉篦的支承钢梁2配合，并把毛坯用顶杆7推到支承炉篦上，再沿着辊道R4的方向继续运走，辊道R4将成批毛坯HK在送入加工设备或加热炉以前，用放在具有钢梁炉篦1的下支承炉篦上成批毛坯HW对沿着箭头P2方向以相反方向运输的放在上支承炉篦的钢梁炉篦2上的成批毛坯HK进行加热。这二层支承炉篦均封闭在绝热室9中。上层支承炉篦的钢梁炉篦偶2之间有很大的间距DG，它允许成批毛坯悬放在上面，而又能保证成批毛坯HK在它们的长度上均匀的加热。
根据图5和图6的结构，配置情况是，从连铸机来的，由辊道的辊轴R支撑并通过绝热室9按箭头P1（图5）的方向输运。而从储料场来的成批毛坯HK，由一个独立驱动的辊道（未标出）支撑并按箭头P2方向的以相反的方向在二个成批HW之间进行横向输运，同时从两边被成批热毛坯HW通过热传递加热。待处理的成批毛坯HW和HK具有矩形断面，它们直立运输是适当的，从图7中见到，它们被带有辊轴R的位于辊道上方的导引辊FR所夹持。这里还有未标出的二个或多个相叠的辊道排列的可能性，此时成批毛坯的输运，或是以图5至图7表示的方式，或是在一个辊道上的成批热毛坯HW与在其上面辊道上的成批毛坯HK相向输送也是合适的。
前述二设备在运输方向上也可按前后排列，成批毛坯在离开第一台设备后能被翻转，以达到均匀的加热。多台设备也可平行排列，以获得更短的输运距离。
对质量要求不高的材料，如普通钢，它们不需要检查，由连铸机来的成批热毛坯必要时可直接送入再加工设备，这里是指精轧机。前述的设备是循环工作的，这是为了使连铸机的生产能力和再加工设备的接收能力之间的差别得到均衡。

Claims (8)

1、经连铸机铸造的毛坯跟成型加工后的毛坯之间的传热方法，在该方法中，在这些显示彼此温差的毛坯之间的传热是通过辐射和/或对流进行的，其特征在于如下步骤：
a)运输流程中的一批毛坯，在基本上为水平的平面内移动；
b)在运输流程中的另一批毛坯，在基本上为水平的平面内移动，和上述那一批毛坯保持某一距离；
c)通过改变和调节各批毛坯的(移动)速度，控制由一批毛坯向另一批毛坯传热量而调控一批毛坯的温度。
2、按照权利要求1的操作方法，其特征为，热传递在成批毛坯同向的、相向的或彼此横向的移动中进行。
3、按照权利要求1或2的操作方法，其特征为，传热和吸热的成批毛坯的相对外表面之间的距离只有数毫米。
4、按照权利要求1的操作方法，其特征为，成批毛坯的移动在一批处于另一批旁边的运输路线上和/或一批处于另一批上方的几个平面内进行。
5、按照权利要求4的操作方法，其特征为吸热的和传热的成批毛坯各自的运输路线在传热的或吸热的成批毛坯各自的运输路线的两侧伸展。
6、按权利要求4或5的操作方法，其特征在于在传热期间，成批毛坯在一批处于另一批上方的两个或多个平面内的运输路线上绕这些平面中的至少一个的纵轴线相对于配置在相邻平面内的运输路线上的这批毛坯进行旋转运动。
7、用于实施按权利要求4至5的操作方法的装置，其特征在于，一个在另一个旁边和/或在另一个上方配置的两个或多个支承格栅和/或推、转或支承毛坯的运输部件，在结构上可相互独立，也可部分共同驱动。
8、按权利要求7所述的装置，其特征在于，处在顶部的支承格栅的支承构件（格栅条）间的或各个支承格栅的间距（DG）大于在底部的支承格栅的支承构件间的间距（DK）。
CN87100192A 1986-01-16 1987-01-16 经连铸机铸造的毛坯跟成型加工后的毛坯之间的传热方法及装置 Expired - Fee Related CN1026819C (zh)

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