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Continuous casting machine

An equipment and continuous casting technology, applied in the field of continuous casting equipment, can solve the problems of mold liquid level fluctuation, the casting speed can no longer be increased, and the molten metal level changes, and the effect of reducing the liquid level fluctuation is achieved.

Active Publication Date: 2014-08-20
浦项控股股份有限公司
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] For such continuous casting equipment, it is important to maintain the molten metal in the mold 30 being cast at a constant liquid level, and in the case of adopting the section 50 for the continuous casting equipment described above, If the casting speed increases, the liquid level of the molten metal in the mold changes significantly, so that the casting speed can no longer be increased, and the surface of the high-temperature slab periodically expands between the roller and the adjacent roller due to pressure, thus occurring Fluctuation of the liquid level in the mold

Method used

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Embodiment Construction

[0036] Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0037] image 3 It is shown as a section of the invention, which is used in the horizontal part or the vertical part of the guide frame.

[0038] In the present invention, the section 150 includes: a loosed frame 151 as an inner frame, which is configured on the upper part and movable, and faces the radial center of the guide frame; and, a fixed frame (fixed frame) as an outer frame 154, which is configured at the bottom and fixed, and faces outward in the radial direction of the guide frame, wherein a plurality of rollers 152, 154 are arranged on the movable frame 151 and the fixed frame 154, and the plurality of rollers 152, 154 includes a pair of pinch rollers 153 , 156 .

[0039] In the movable frame 151 of the present invention, in the whole section length (l seg,loosed ) with multiple (N loosed ) the roller 152. Specifically, i...

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Abstract

The present invention provides a segment which may prevent the surface of a strip from periodically swelling up between a roller and a neighboring roller due to pressure even though strips of high temperature are continuously casted at high speeds, the segment including: a fixed frame and a loosed frame which are disposed on a cooling line for solidifying non-solidified strips and spaced from each other for passing strips therebetween; and a plurality of rollers respectively provided to the fixed frame and the loosed frame, wherein the number (N[fixed]) of the rollers provided to the fixed frame and the number (N[loosed]) of the rollers provided to the loosed frame are different from each other.

Description

technical field [0001] The present invention relates to a continuous casting apparatus comprising a segment of a mold and a guide strand, and in particular to a method in which the number and spacing of the rollers of the outer frame and the rollers of the inner frame are different , so that continuous casting equipment for slabs with improved quality can be provided. Background technique [0002] Generally, in a continuous casting process, molten iron is continuously poured into a mold having a predetermined shape, and a slab semi-solidified in the mold is continuously drawn toward the lower side of the mold. [0003] exist figure 1 In , a schematic structure and a block structure of a typical continuous casting equipment for performing such a continuous casting process are shown. [0004] A general continuous casting facility includes: a ladle 10 for charging molten iron refined in a steelmaking process; a tundish 20 for supplying molten iron through an injection nozzle ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/12
CPCB22D11/1282B22D11/128B22D11/12
Inventor 申玟哲裵一臣金城演李商铉
Owner 浦项控股股份有限公司
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