A cooling device for casting and rolling crystal rolls

A technology of cooling device and crystallization roller, applied in the field of thin strip continuous casting, can solve the problems of uneven cooling, transverse cracks of cast slabs, and difficulty in stable and continuous production.

Active Publication Date: 2021-07-06
DALIAN DESIGN INST CO LTD CHINA FIRST HEAVY IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the uneven cooling of the traditional casting and rolling crystal rolls, there is a temperature gradient on the surface of the copper sleeve of the crystal rolls, and transverse cracks and frequent belt breaks occur in the billet, making it difficult to maintain stable production.

Method used

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  • A cooling device for casting and rolling crystal rolls
  • A cooling device for casting and rolling crystal rolls
  • A cooling device for casting and rolling crystal rolls

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Embodiment Construction

[0024] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordina...

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Abstract

The invention provides a cooling device for a crystallization roll, comprising: a shaft core, a copper sleeve set on the shaft core, and a cooling water separator; two ends of the shaft core are respectively provided with water inlets communicating with the cold water channel of the inner hole, and The water outlet connected to the heat exchange drainage channel; the copper sleeve is a sleeve structure with an axially stacked independent annular cooling water ring inside. It is divided into two parts, one part is located at the inlet part of the annular cooling water ring and communicates with the cold water channel, and the other part is located at the outlet part of the cooling water ring after heat exchange and communicates with the heat exchange drain channel; that is, the cooling water passes through the annular cooling water channel from the cold water channel The cooling water hole in the inlet part of the ring enters the copper sleeve for heat exchange, and finally the cooling water hole in the outlet part enters the heat exchange drainage channel after heat exchange through the water ring.

Description

technical field [0001] The invention relates to the technical field of thin strip continuous casting, in particular to a cooling device for casting and rolling crystal rolls. Background technique [0002] Thin strip continuous casting: a near-net-shape continuous steel casting|ironmaking technology, which directly casts a thin strip billet with a thickness of less than 15mm, and directly cold rolls it into a strip instead of hot rolling. [0003] Due to the uneven cooling of the traditional casting and rolling crystal rolls, there is a temperature gradient on the surface of the copper sleeve of the crystal rolls, and transverse cracks and frequent belt breaks occur in the slab, making it difficult to maintain stable production. Contents of the invention [0004] According to the technical problem raised above, a casting and rolling crystal roll cooling device is provided. [0005] The technical means adopted in the present invention are as follows: [0006] A crystalliza...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/06
CPCB22D11/0682
Inventor 刘义德刘刚
Owner DALIAN DESIGN INST CO LTD CHINA FIRST HEAVY IND
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