DE102012215769A1 - Hot box - Google Patents

Abstract

The present invention relates to a device (1) for transporting at least one slab (4), comprising a floor (2) for receiving the at least one slab and a hood (3) which can be placed on the floor (2), the floor (2) at least one receptacle (20, 22) for receiving and removing at least the total weight of the hood (3) and the at least one slab (4) received on the floor.

Description

Technical area

The present invention relates to a device for transporting at least one slab, preferably at least one slab emerging from a continuous casting plant.

Technical area

In continuous casting plants, the continuous casting products are usually produced in such a way that they still have a very high heat content when they leave the respective plant. Typically, the average temperature of a slab when leaving a continuous casting plant is still about 1000 ° C. The slabs - or other continuous casting, such as billets, rods, etc. - are then usually spent in warehouses, where they are stored until further processing in a rolling mill for the production of a finish-rolled product. During this storage process, the slabs usually cool down strongly and can even reach ambient temperature. In order to be processed in the rolling process, the slabs must then be reheated to the working temperature of the rolling process, which is typically 1200 ° C. Accordingly, a high energy input is necessary to bring the cooled slabs from the slab storage back to hot rolling process temperature. This results in high costs and the environmental impact of a corresponding process suffers.

Accordingly, it is known in the art to provide insulation blankets which are used to transport the slabs from the continuous caster to a rolling line. A corresponding device for keeping warm emerging from a continuous casting slabs is for example from the WO 2008/025325 A1 known. The slabs are transported here in the corresponding closed containers via roller tables and then removed from the containers before the hot rolling mill.

In an alternative, it is known to shield the roller tables on which continuous casting products are guided by means of suitable insulation. A corresponding heat shielding arrangement is for example from EP 0 042 652 A1 known.

The said isolation devices of the prior art are limited in that they are each bound to a specific means of transport, for example to the presence of roller tracks or railway wagons or transport trailers with insulated floors.

Presentation of the invention

Starting from the known prior art, it is an object of the present invention to provide a device for transporting at least one slab, which can be used more flexibly.

The stated object is achieved by a device for transporting at least one slab with the features of claim 1.

Accordingly, the device for transporting at least one slab comprises a floor for receiving the at least one slab and a hood which can be placed on the floor. According to the invention, the floor has at least one receptacle for receiving and removing at least the total weight of the hood and the at least one slab received on the floor.

Characterized in that the bottom of the device has said receptacles for receiving and removing at least the total weight of the hood and the recorded on the ground at least one slab, the device for transporting is very flexible with respect to the means of transport used. In particular, in addition to the use on roller tracks, in which a removal of the total weight of the device on the ground in principle does not matter, since the total weight is carried by the rollers of the roller conveyor, for example, on the usual in steel mills lifting equipment, such as lifting cranes, be lifted and implemented together with the content. In addition, it is possible in this way to implement the device on a heavy load low loader or a railroad car or a railway rack, in order to achieve in this way a flexible transporting the respective slab.

Particularly preferably, the device is also designed to be self-supporting, so that the floor can also support itself. In other words, in addition to the total weight of the hood and the slabs placed on the recordings, the dead weight of the floor can also be recorded via the receptacles so that the apparatus can be transported on the most diverse means of transport without being structurally damaged.

The device is preferably dimensioned such that at least two slabs can be stacked one above the other on the at least one receptacle. Thus, the efficiency of the device can be further increased because, inter alia, the in the device registered amount of heat is higher and thus the slabs can be kept warm longer. In this way it can also be achieved that a slower decrease in the heat in the stacked slabs can be achieved, as in the transport of a single slab.

In order to achieve a particularly simple lifting and transporting, the hood has at least one removal means for removing the weight of at least one further device stacked on the hood, wherein the at least one removal means removes the weight to the bottom of the lower device. In this way it is also possible to use the proposed device for transporting slabs in such a way that they can be stacked and the necessary base area can accordingly be reduced in a slab bearing or a higher number of slabs can be temporarily stored on a given base area. Incidentally, this is also achieved in that at least two slabs stacked one above the other can be accommodated in a single device for transporting.

Preferably, the device is compatible with commonly used in steel mills transport and lifting equipment, preferably heavy duty low loaders, railway cars, roller tables and cranes and other lifting devices, particularly preferably the hood and / or the bottom of the device has corresponding stop devices for crane and lifting devices. In this way, a simple handling with the existing transport and lifting devices can be achieved in a steel mill, for example, with the existing low loaders, railway cars and crane devices, which can then all be used in conjunction with existing roller tables for handling the respective devices.

In particular, the floor is particularly preferably designed so that it can be used on roller tables. Preferably, it is sufficiently flat on its underside to be guided accordingly over the roller tables.

The hood is preferably connectable via locking means to the ground so that the floor, hood and the slab received on the floor or the slabs received can be lifted by means of a stop means arranged on the hood. This also makes it much easier to handle the device, since a corresponding lifting device must be struck only on the top of the hood.

Preferably, the hood and / or the floor guide means for guiding the hood in its Aufsetzposition or locking position on the ground. Thus, a simple lifting and re-putting the hood on the ground can be achieved to allow loading of the soil with slabs and then to achieve a quick and easy closing.

Preferably, the shots of the bottom of the longitudinal beams and / or cross member, wherein particularly preferably a high-strength insulation is applied to the recordings. Particularly suitable for this purpose are refractory bricks, preferably based on silicate, which are applied to the corresponding receptacles in such a way that the slabs can be laid on the corresponding refractory bricks and the loads registered by the slabs are removed directly on the receptacles of the floor. This allows on the one hand to achieve a preferred isolation, on the other hand allows the provision of recordings in the ground a safe and level support for the slabs during transport and storage. The refractory bricks are preferably positioned over anchors on the receptacles.

Preferably, the number of refractory bricks is limited to the number required for the safe removal of the slab weight used.

A further insulation of the soil, in particular between the shots or between on the recordings launched refractory bricks, can be achieved with advantage over a Blähtonschüttung, which is taken in the ground.

The hood preferably has a support structure on which wall elements are advantageously mounted, which are lined with insulating materials.

Preferably, the insulation can also be designed in several layers.

In a further preferred embodiment, the device has identification means for identifying the content recorded on the ground, so that a largely automated logistics can be applied.

Brief description of the figures

Preferred further embodiments and aspects of the present invention will be explained in more detail by the following description of the figure. Show

1 schematically a device for transporting at least one slab with a Floor and a hood in a perspective view in the open state;

2 in the 1 shown device in perspective in the closed state;

3 in the 1 and 2 shown device in the open state and loaded with three slabs;

4 in the 1 to 3 shown device loaded schematically on a railroad car;

5 schematically a structure of the soil in a schematic perspective view;

6 the bottom of the 5 in a schematic plan view;

7 the bottom of the 5 equipped with insulation material;

8th a schematic detail view of an anchoring of the insulating material;

9 a schematic construction of a frame construction of the hood;

10 the hood is equipped with wall elements; and

11 a schematic cross section through the hood with the corresponding insulation materials.

Detailed description of preferred embodiments

In the following, preferred embodiments will be described with reference to the figures. In this case, identical, similar or equivalent elements in the different figures are denoted by identical reference numerals and a repeated description of these elements will be omitted in the following description in part in order to avoid redundancies.

1 shows a device 1 for transporting at least one slab not shown in this figure, wherein the device 1 a floor 2 and one on the floor 2 attachable hood 3 includes. In the other 2 to 11 become different aspects and details of the proposed device 1 shown.

The floor 2 the device 1 For example, in the 5 and 6 Shown in detail recordings for receiving and removing at least the total weight of the hood 3 and the one on the ground 2 launched and in the 1 and 2 Slabs not shown on. The floor 2 or the shots are also self-supporting trained. In other words, over the shots in addition to the total weight of the hood 3 and the slabs laid on the shots also the weight of the soil 2 be recorded. The entire device 1 is thus self-supporting trained.

The hood 3 is in the in the 1 shown condition from the ground 2 lifted, leaving the empty device 1 is shown open.

2 shows in a schematic perspective view of the device 1 in a locked state, namely on the ground 2 attached hood 3 , The in 2 The state shown is the state used to transport the slab and suitable condition.

3 shows the device 1 again from the ground 2 lifted hood 3 Here are three on the floor 2 arranged slabs 4 which are shown in the device 1 are included. The pictures of the ground 2 are dimensioned accordingly so that they - in addition to the weight of the soil 2 and the weight of the hood 3 - Also the weight of the three stacked slabs 4 record and ablate. In other words, the floor 3 structured so that it can absorb and remove the weights mentioned, without it being a separate support of the soil 3 would require. In conventional devices for transporting slabs, it was necessary that the ground be supported separately in order to be able to remove the respective weights. This was achieved for example by a roller conveyor on which the corresponding

4 schematically shows the device 1 during a transport on a schematically indicated railway wagon 5 , The device 1 But it is also suitable for transport on other transport and lifting equipment used in the steelmaking sector, as the means of transport and lifting apply to the design of the floor 2 no own support in the device 1 must be provided sliced slabs.

In the 5 and 6 is schematically the ground 2 the device 1 with corresponding side rails 20 and crossbeams 22 shown. The side members 20 and crossbeams 22 are designed so that they take the respective recordings for picking up and removing at least the total weight of the soil 2 , the hood 3 , as well as on the ground 2 picked slabs 4 form. Accordingly, the side members 20 and the crossbeams 22 so dimensioned that a deflection of the soil 2 even at full load of the device 1 does not occur appreciably and according to the on the recordings forming longitudinal beams 20 and crossbeams 22 resting slabs safely and without distortion or deformation of the soil 2 can be supported. The crossbeams 22 have attacks in their extension 24 on, which serve for coupling a lifting device, such as a crane. At the attacks 24 can the soil 2 together with the hood shown in the preceding figures and the slabs received therein 4 be lifted by a corresponding lifting device and be relocated accordingly to another means of transport, or stored in a warehouse, preferably stacked, be.

Accordingly, the structure, dimensioning and design of the soil differs 2 Among other known in the prior art, inter alia, to the effect that at several points or areas resting support of the soil 2 , For example, by a roller conveyor, is not necessary, but the device 1 for example, at the attacks 24 can be raised without losing its structural integrity.

In 6 is schematically in a plan view the in 5 shown frame construction, wherein schematically a large slab 4 and - darker hatched - a smallest slab to be picked up 4 ' recorded in their dimensions. Accordingly, the big slab lies 4 both on the side rails 20 as well as on the crossbeams 22 on, a smallest slab 4 ' but only on the side rails 20 , The distances between the cross members 22 and the side members 20 are accordingly designed so that all slabs produced in the respective continuous casting plant on the ground 2 can be recorded so that the respective slabs 4 . 4 ' about the recordings, for example in the form of cross members 22 and side members 20 , can be supported accordingly.

As an essential aspect of the proposed device 1 This is a particularly good insulation in the slabs 4 . 4 ' Received absorbed heat energy to the outside and to reduce accordingly the energy loss, the device is correspondingly thermally insulated. This is how in 7 and 8th shown the ground 2 in the area of the in 5 shown side members 20 and crossbeams 22 , which act as recordings, with appropriate, high-strength insulation 6 in the form of refractory bricks, preferably silicate-based. Accordingly, the slabs, as in 6 shown on the refractory bricks 6 be placed so that the corresponding weight of the slabs directly on the longitudinal beams 20 and crossbeams 22 rests and correspondingly in the structure of the soil 2 is removed. About the refractory bricks 6 is doing a very good insulation of the slab of the corresponding recordings 20 . 22 reached.

Another insulation against the radiant heat of the soil is placed over one between the refractory bricks 6 introduced expanded clay fill 60 reached, by means of which the ground 2 is insulated downwards.

The in the 5 and 6 shown further frame elements 26 , which are the side members 20 and crossbeams 22 surround, serve to accommodate insulating, which are necessary for a complete shield, and continue to serve as a receptacle for that through the hood 3 registered loads and on the recordings 20 . 22 transferred to.

As in 7 shown are the refractory bricks 6 prefers something about the expanded clay fill 60 out, so that a direct contact of the respective slab underside with the Blähtonschüttung 60 not taking place.

8th schematically shows an exemplary arrangement of refractory bricks 6 on the crossbeams 22 , where here for anchoring the refractory bricks 6 corresponding anchor 62 on the crossbeams 22 are positioned by means of which the refractory bricks 6 can be held in their position. About the material thickness of the anchors 62 will be in the in 8th embodiment shown also also an expansion joint between the individual refractory bricks 6 provided so that different temperatures of the refractory bricks 6 does not lead to excessive stress on the refractory material.

Insulations in the form of refractory bricks 6 , the expanded clay fill 60 , as well as the insulation elements 62 can be designed for quick change or refilling in case of wear. These are the insulation elements 62 at the hood 3 either suspended or can be quickly exchanged via detachable connections.

The refractory bricks 6 can also easily from the shown anchors 62 be lifted out and replaced with new refractory bricks.

In the 9 and 10 is schematic the construction of the hood 3 shown which according to 9 from a support structure 30 exists with which, how out 10 can be seen, walls, for example, trapezoidal sheets 32 is filled.

On the top are corresponding stops 34 provided, which serve the hood 3 by means of a crane or other lifting device from the ground 2 to lift to a filling or emptying of the device 1 to enable. The attacks 34 can also serve the hood with a suitable dimensioning 3 together with the ground 2 and the one on the ground 2 raise slabs.

Furthermore, next to the stop 34 also recordings 36 provided, which serve the weight of another device 1 record and remove. In other words, two of the devices described above - for example in 2 shown type - stacked on top of each other. The support structure 30 the hood 3 is sized so that lifting the device 1 at the stop 34 and / or discontinuation of another device 1 on the recordings 36 on an already loaded device 1 is possible.

To ensure adequate insulation of the hood 3 to provide, are the frame construction 30 as well as the walls 32 with insulating modules 64 lined, where, as shown in detail, the individual insulating modules 64 over anchor 66 with the corresponding support structure 30 or the trapezoidal sheets 32 are connected. Preference is given to the lowest insulating module 64 attached cross plate 68 provided by means of which the individual insulating modules 64 prevent a wall from slipping off.

For easy putting on the hood 3 on the ground 2 to enable are on the ground 2 guide means 70 provided in which complementary guide means 72 at the hood 3 intervention. Accordingly, when lowering the hood 3 on the ground 2 the guide means provided on the hood 72 in the bottom 2 provided guide means 70 Guided so that a pinpoint and accurately aligned placing the hood 3 on the ground 2 is reached.

About not shown locking means can continue the hood 3 on the ground 2 be locked. Preferably, this lock is then designed so that the entire device 2 about the stop 34 can be raised completely, so on the hood 3 provided stop 34 both the hood 3 as well as the ground 2 can be lifted with a possibly recorded thereon slab.

Due to the construction shown and in particular the corresponding interpretation of the images of the soil 2 will reach that device 1 is very flexible and due to the flat bottom of the shots forming longitudinal beams 20 and crossbeams 22 can be transported on roller tables. About the attacks 24 . 34 can the device 1 but also in lifting devices, such as cranes, are raised and then in a simple manner on a heavy load low loader or the example in 4 shown railroad car 5 be implemented. Furthermore, the stackability of the individual devices is such that two or more of the insulating boxes shown can be stacked one above the other.

The content of the device 1 can preferably be identified via corresponding identification means. For this purpose, for example, offer RFID transponder or other means of identification, which can be detected automatically.

The insulation box described can be operated with optimally short open times, since it can be opened and closed at the appropriate intended processing locations. Because of the corresponding design of the floor, the insulating box can be placed directly on the continuous casting line so that the finished cast slab can be directly taken up, and secondly because of the structural design of the floor, the insulating box can be raised directly to the start of the hot rolling line. whereby the actual open times can be kept short.

Furthermore, the insulating box is self-sufficient in that it requires no additional power supply or power supply, but acts as a passive element. It can be used accordingly without blocking transport or lifting capacity as a buffer for decoupling the workflow between continuous casting and hot rolling mill. In particular, it is also stackable, taking advantage of the available storage space almost as well as uninsulated boxes. The stackability makes it a slightly larger volume immediately.

As a result, the insulation box makes a significant contribution to reducing the environmental impact in this context.

Where applicable, all individual features illustrated in the individual embodiments may be combined and / or interchanged without departing from the scope of the invention.

LIST OF REFERENCE NUMBERS

1

 Device for transporting at least one slab

2

 ground

20

 longitudinal beams

22

 crossbeam

24

 attack

26

 frame element

3

 Hood

30

 support structure

32

 trapezoidal sheet

34

 attack

36

 admission

4

 slab

4 '

 smallest slab

5

 Railroad car

6

 Refractory brick

60

 Blähtonschüttung

62

 anchor

64

 An insulation

66

 anchor

68

 bulkhead

70

 guide means

72

 guide means

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• WO 2008/025325 A1 [0003]
• EP 042652 A1 [0004]

Claims (15)

Contraption ( 1 ) for transporting at least one slab ( 4 ), comprising a floor ( 2 ) for receiving the at least one slab and one on the ground ( 2 ) attachable hood ( 3 ), characterized in that the bottom ( 2 ) at least one recording ( 20 . 22 ) for picking up and removing at least the total weight of the hood ( 3 ) and the at least one slab ( 4 ) having. Contraption ( 1 ) according to claim 1, characterized in that at least two slabs ( 4 ) one above the other on the at least one receptacle ( 20 . 22 ) are stackable. Contraption ( 1 ) according to claim 1 or 2, characterized in that the hood ( 3 ) at least one recording ( 36 ) for removing the weight of at least one on the hood ( 3 ) stacked further device ( 1 ), wherein the at least one receptacle ( 36 ) the weight on the ground ( 2 ) of the lower device ( 1 ). Contraption ( 1 ) according to one of the preceding claims, characterized in that the device ( 1 ) is compatible for transport with transport and lifting equipment, preferably for transport with heavy-duty low-loaders, railway wagons, roller tables and / or cranes. Contraption ( 1 ) according to claim 4, characterized in that the hood ( 3 ) and / or the soil ( 2 ) at least one stop means ( 24 . 34 ) for striking a lifting or transporting device. Contraption ( 1 ) according to claim 4 or 5, characterized in that the ground ( 2 ) is designed to be transportable on roller tables and that at least one receptacle ( 20 . 22 ) is preferably flat on its underside and preferably forms a plane plane. Contraption ( 1 ) according to one of the preceding claims, characterized in that at least one guiding means ( 70 . 72 ) for guiding the hood ( 3 ) in one with the ground ( 2 ) is provided closed position. Contraption ( 1 ) according to one of the preceding claims, characterized in that the hood ( 3 ) via at least one locking means to the ground ( 2 ) is connectable, preferably such that the bottom ( 2 ), the hood ( 3 ) and the at least one slab ( 4 ) via at least one on the hood ( 3 ) seconded attack ( 34 ) is liftable. Contraption ( 1 ) according to one of the preceding claims, characterized in that the at least one receptacle has at least one side member ( 20 ) and / or at least one cross member ( 22 ). Contraption ( 1 ) according to one of the preceding claims, characterized in that at least one insulation ( 6 ) high strength on the at least one receptacle ( 20 . 22 ), preferably at least one silicate-based refractory brick, which particularly preferably has at least one anchor ( 62 ) on the recording ( 20 . 22 ) is held. Contraption ( 1 ) according to one of the preceding claims, characterized in that the floor ( 2 ) a laminar insulation over a Blähtonschüttung ( 60 ) having. Contraption ( 1 ) according to one of the preceding claims, characterized in that the hood ( 3 ) a support structure ( 30 ) and the walls with insulation material ( 64 ) are occupied. Contraption ( 1 ) according to one of claims 10 to 12, characterized in that the insulation ( 6 . 60 . 62 ) is arranged interchangeable. Contraption ( 1 ) according to one of the preceding claims, characterized in that identification means for identifying the person on the ground ( 2 ) are provided. Contraption ( 1 ) according to one of the preceding claims, characterized in that it is self-supporting.

Images