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Device and method for secondary cooling in a continuous casting system

A cooling device and secondary cooling technology, which is applied in the field of secondary cooling devices, can solve the problems of nozzle position matching and inability to show nozzle matching, etc., and achieve efficient cooling effect

Inactive Publication Date: 2011-08-31
SMS GRP GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the slab travels asymmetrically through the slab guide, the system cannot perform a reasonable adaptation of the nozzle position
Likewise, this system cannot provide a correct adjustment of the nozzle position in the multi-strand mode of operation, because the displacement of the nozzle is only configured obliquely, that is to say vertically and also in relation to the vertical movement. Move the nozzle horizontally (relative to the casting direction) in fixed proportions

Method used

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  • Device and method for secondary cooling in a continuous casting system
  • Device and method for secondary cooling in a continuous casting system
  • Device and method for secondary cooling in a continuous casting system

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Embodiment Construction

[0044] exist Figure 1a Among them, the continuous casting strand 1 is located between the rollers 2 of the continuous casting strand guiding part. Figure 1a The nozzles 3 in each are linearly moved by a moving and positioning device 4 . The direction of movement or axis of movement is indicated by a double arrow in the figure. Nozzles 3 spray water onto the strand 1 . In this case, not the entire width of the strand 1 but only the region A of the strand 1 is sprayed. The nozzles 3 have spray angles of α and β. The nozzle 3 drawn in dotted lines, including its spray area drawn in dotted lines with angles α and β, shows a state in which the entire width of the strand 1 is to be provided with water spray. The displacement and positioning device 4 can in particular be formed in the form of at least one linear guide on which the nozzle 3 is moved by means of a displacement drive.

[0045] Figure 1b shows the same Figure 1a The same components, however shown in top view. Th...

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Abstract

The invention relates to a device and to a method for secondary cooling in a continuous casting system and to a continuous casting system designed accordingly. According to the invention, nozzles (3) are arranged between two rolls or rollers (2) adjacent to each other in the casting direction, in a roller guide or in a strand guide, said nozzles applying coolant onto the surface of the strand 1, 1', 1''. According to the invention, the vertical distance of the nozzles (3) to the strand 1, 1', 1'' remains constant, wherein the nozzles (3) can be moved independently of each other parallel to the longitudinal axis of the rollers (2) by a displacement and positioning device (4). Thus a low space requirement and high flexibility during cooling of a strand 1, 1', 1'' is achieved. According to the invention, overspraying of the strand edge can thus be prevented, intensive cooling of the strand center is made possible, an asymmetrical strand course can be taken into consideration in the cooling, and strands in a multistrand operation can be optimally cooled.

Description

technical field [0001] The invention relates to secondary cooling for use in continuous casting plants (Stranggieβanlage) Device and method and a continuous casting plant with such a device. In this case, nozzles are arranged between adjacent rollers guiding the strand in the casting direction, which apply the coolant to the strand. Background technique [0002] After the slab leaves the mold (Kokille) (with a supportable shell), subsequent cooling and solidification takes place in the so-called secondary cooling zone, which is usually located in the roll guide or the slab Between Guidance Department (Strangführung). [0003] Document DE 24 01 263 shows a cooling system for the secondary cooling section of a continuous casting plant, in which water spray nozzles are arranged between the rolls in the casting direction. The area of ​​the slab covered by the nozzles for cooling can be enlarged or reduced by means of different orifices. The system should cool the slab edges...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/124B22D11/22
CPCB22D11/124B22D11/225B22D11/1246
Inventor A·韦耶
Owner SMS GRP GMBH
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