H-shaped combined crystallizer

A crystallizer and combined technology, which is applied in the field of H-type combined molds, can solve the problems of slab web cooling and uneven cooling of slab webs, etc.

Active Publication Date: 2013-03-13
LAIWU IRON & STEEL GRP
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0008] The purpose of this application is to provide an H-type combined crystallizer to solve the cooling problem in the middle of the slab web existing in the prior art
[0009] The purpose of this application is to provide an H-type combined mold to solve the problem of uneven cooling of the slab web existing in the prior art

Method used

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  • H-shaped combined crystallizer
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Embodiment Construction

[0023] The present application will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] In order to improve the problem of non-uniform cooling of the web existing in the existing H-type combined crystallizer, the present application provides an H-type combined mold capable of improving the condensation quality of the web of the H-type continuous casting slab.

[0025] In this application, water pipes of different sizes are provided on the outside of the working wall of the flange wide plate. Under the premise of ensuring the quality control level of the existing crystallizer on the surface and core of the slab and realizing the normal application of technologies such as online width adjustment, the weakened cast The heat dissipation strength of the blank shell web and the central part of the blank shell web slows down the cooling speed of the web and the central part of the web, which not only avoids the influenc...

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Abstract

The invention provides an H-shaped combined crystallizer which comprises two flange wide plates and two narrow plates, wherein each of the flange wide plates comprises a web plate formed by protruding in the middle and flanges positioned on two sides of the web plate; the web plates are used for limiting and forming web plate parts of H-shaped casting blanks when casting the blanks; the flanges and the narrow plates coact when blanks are cast so as to limit and form flange parts of the H-shaped casting blanks; the flanges comprise winglets and flange inclined surface parts positioned between the web plates and the winglets; the narrow plates are arranged inside two opposite winglets, wherein a plurality of water pipes are arranged on the outer sides of working walls of the narrow plates, and a plurality of water pipes are arranged on the outer sides of working walls of the web plates and the flanges along the length direction of the flange wide plates; and the sectional areas of the water pipes close to center lines of the web plates are the smallest. The H-shaped combined crystallizer provided by the invention prevents center parts of the web plates from being influenced and damaged by stress caused by rapid cooling, so that the web plates of blank casings are cooled evenly, and the solidification quality of the cast blanks is improved.

Description

technical field [0001] The application relates to an H-type combined crystallizer, more specifically, the application relates to an H-type combined mold capable of improving the solidification quality of the H-type slab web. Background technique [0002] The crystallizer is a water-cooled copper mold, which is an extremely important core component of the continuous casting machine. The molten steel is cooled in the crystallizer, initially solidified and formed, and has a certain thickness of the billet shell. This process is completed under the continuous and relative movement of the billet shell and the mold wall, so the mold has good and uniform thermal conductivity and rigidity. In order to make the solidification process uniform and stable. [0003] The crystallizer of prior art is made up of copper plate or copper tube and the steel structure outside, and the effect of copper plate or copper tube is to transfer the heat of molten steel to cooling water. There are gene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/04
Inventor 高祥明韩文习张佩杨志杰宋玉卿邓存善石磊沈彬彬蒋希光王盛黄伟李开伦陈美君孟淑霞
Owner LAIWU IRON & STEEL GRP
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