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Crystallizer for continuous casting

A crystallizer and copper tube technology, applied in the field of continuous casting crystallizers, can solve the problems of high inner wall temperature of copper tubes, poor copper tube deformation resistance, low heat transfer coefficient, etc., to ensure heat transfer efficiency, enhance rigidity, The effect of enhancing the ability to resist thermal deformation

Pending Publication Date: 2021-03-12
CISDI RES & DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a mold for continuous casting, aiming to solve the problems of low heat transfer coefficient in the meniscus region of the copper tube of the mold, high temperature of the inner wall of the copper tube and poor deformation resistance of the copper tube

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  • Crystallizer for continuous casting
  • Crystallizer for continuous casting
  • Crystallizer for continuous casting

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Embodiment Construction

[0028] The implementation of the present utility model is described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The utility model can also be implemented or applied through other different specific implementation modes, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model. It should be noted that the illustrations provided in the following embodiments are only schematically illustrating the basic idea of ​​the present utility model, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0029] Such as Figure 1-4 As shown, in the crystallizer for continuous casting mentioned in this embodiment, the copper pipe 1 and the water jacket 2, the wat...

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Abstract

The invention belongs to the technical field of continuous casting, and provides a crystallizer for continuous casting. The crystallizer for continuous casting aims to solve the problems that the heatexchange coefficient of a meniscus area of a copper pipe of the crystallizer is low, the temperature of the inner wall of the copper pipe is high, and the deformation resistance of the copper pipe ispoor. The crystallizer comprises the copper pipe and a water jacket, wherein the water jacket wraps the copper pipe, a water seam channel is reserved between the water jacket and the copper pipe, thewater jacket is arranged on the corresponding surface facing the copper pipe and is arranged to be a variable cross section in the longitudinal direction of the copper pipe, the variable cross section divides the water seam channel into an upper water seam facing an upper opening of the copper pipe and a lower water seam facing a lower opening of the copper pipe, and the gap of the upper water seam is smaller than the gap of the lower water seam. According to the crystallizer, through the design of the water jacket with the variable cross section, different fluid speeds are obtained in different areas on a cooling water channel, so that different heat exchange coefficients are obtained, then the cooling heat exchange of a high-heat-load area is enhanced, the heat exchange efficiency of the copper pipe of the crystallizer is improved, and the temperature difference of the inner wall of the crystallizer is reduced.

Description

technical field [0001] The invention belongs to the technical field of continuous casting, and in particular relates to a crystallizer for continuous casting, which can be used for casting square billets, rectangular billets and polygonal billets with different cross-sectional sizes. Background technique [0002] During metal continuous casting, liquid metal is injected into the copper tube of the crystallizer, and the heat is taken away by the heat conduction of the copper tube and the water flow on the outer wall of the copper tube, so that the metal solidifies in the copper tube to form a blank shell, and the blank shell moves downward relative to the copper tube, And gradually solidified into a billet. Due to the shape of the slab, the solidification shrinkage of the slab shell and the thickness of the slab shell are not uniform, and the temperature of the upper part of the copper tube is also significantly higher than that of the lower part, and the thermal load is very...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/055B22D11/04
CPCB22D11/0406B22D11/055
Inventor 彭晓华雷松陈南菲陈将陶迎
Owner CISDI RES & DEV CO LTD
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