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Continuous casting mold

A mold and continuous casting technology, used in the field of continuous casting molds to prevent corner cracks in slabs, can solve the problems of inability to compensate for slab shrinkage, cracks, etc. The effect of reducing the degree of wear

Active Publication Date: 2015-11-25
浦项控股股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the size of the protruding portion 9a increases downward, the length of the short side mold 9 other than the protruding portion 9a decreases downward, so that although the shrinkage of the slab can be compensated, the chamfering of the slab Since the length of the inclined surface of the protrusion 9a increases downward, the shrinkage of the slab cannot be compensated, so there is a disadvantage that cracks occur between the surfaces of the chamfered surface

Method used

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Embodiment Construction

[0039] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

[0040] Figure 6 is a perspective view showing a short-side mold in a continuous casting mold according to a preferred embodiment of the present invention, Figure 7 is showing Figure 6 A top view of the mold on the short side.

[0041] As shown in the figure, the continuous casting mold of the present invention includes: two long-side molds spaced apart by a distance corresponding to the thickness of the slab; and two short-side molds 40 spaced apart by a distance corresponding to the width of the slab.

[0042]Here, the two long side dies are arranged to be spaced apart from each other by a distance corresponding to the thickness of the slab formed when the molten iron is solidified.

[0043] In addition, two short side molds 40 enclose the space between the two long side molds and are fastened to said long side molds while being spaced apart from each oth...

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Abstract

According to the present invention, a continuous casting mold which is tapered downwards, comprises: two long-side molds and two short-side molds and have protrusions at both side ends so as to form a chamfered surface at the edges of a slab, wherein the protrusions of the short-side molds gradually decrease downwards to compensate for the shrinkage amount of the slab.

Description

technical field [0001] The present invention relates to a continuous casting mold, in particular to a continuous casting mold for preventing corner cracks in slabs. Background technique [0002] figure 1 is a diagram of a prior art continuous casting plant, figure 2 is showing figure 1 Perspective view of the mold of the continuous casting plant. [0003] in addition, image 3 show figure 2 The front view, top view and side view of the mold, Figure 4 is a graph showing the brittle regions of steel as a function of temperature. [0004] Such as Figure 1-4 As shown, liquid-phase molten iron advances from a ladle 1 to a tundish 2 and is injected into a mold 3, thereby forming a solidified layer on the surface of a slab. When the slab passes through the secondary cooling stage 4 having a plurality of guide rolls, the solidification of the liquid-phase molten iron ends, allowing continuous production of the slab. [0005] At this time, since the cracks generated in t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/04
CPCB22D11/05B22D11/0406B22D11/041B22D11/04
Inventor 禹大熙元泳穆权祥钦
Owner 浦项控股股份有限公司