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Crystallizer cavity-shaped structure

A crystallizer and cavity shape technology, which is applied in the field of metal continuous casting, can solve the problems of high strain rate of thin slab billet shell, etc., and achieve the effect of improving billet quality, reducing crack defects and reducing wear

Active Publication Date: 2020-10-02
CISDI ENG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In view of this, the object of the present invention is to provide a mold cavity structure based on continuous straightening curves to overcome the problem of excessive strain rate of the thin slab shell in the mold

Method used

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Embodiment Construction

[0040] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0041] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention relates to a crystallizer cavity-shaped structure, and belongs to the field of metal continuous casting. The cavity-shaped structure is a pipe defined by four copper plates, two of the copper plates which are oppositely arranged are wide panels, and the other two copper plates which are oppositely arranged are narrow panels; the wide panels are curved panels; the plate surface of thecurved plates change in a continuous straightening curve along the casting direction of the crystallizer; and the plate surface of the curved plates change in a piecewise function curve along the horizontal direction of the crystallizer. By applying the continuous straightening curve, the curvature of the crystallizer at the inlet of the crystallizer is not zero, within the limited length of thecrystallizer, the overall strain of a casting blank shell is small and constant, the strain rate is low, and the casting blank quality is improved; the problem that the strain rate of a casting blankshell of a traditional thin slab crystallizer in the crystallizer is too high is solved, the crack defect of the surface of a casting blank is overcome, abrasion of the casting blank to a crystallizercopper plate coating is reduced, and the service life of the crystallizer is prolonged.

Description

technical field [0001] The invention belongs to the field of metal continuous casting, and in particular relates to a crystallizer cavity structure. Background technique [0002] The thin slab continuous casting and rolling process has the advantages of simplified process, short production process, less equipment, energy saving, high yield, etc., and can face the market more flexibly, and has become the key investment target of steel production companies in recent years. The main difference between thin slab continuous casting and rolling technology and conventional continuous casting technology lies in the mold. As we all know, in order to solve the problem of molten steel flow in the gap between the mold and the nozzle, the mold is designed in a funnel shape with a large top and a small bottom, but this design makes the billet shell subject to additional stress in the mold and is prone to crack defects. Therefore, the cavity shape curve of the mold is particularly importa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/04
CPCB22D11/0406B22D11/0408
Inventor 刘强韩志伟邓比涛孔意文
Owner CISDI ENG CO LTD
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