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Plant for producing metal strip

一种设备、产品的技术，应用在块材或其它类似产品的生产设备,连铸厚板领域，能够解决降低厚板厚度等问题，达到减少整体膨胀变形区域的效果

Inactive Publication Date: 2008-12-10
DANIELI & C OFF MEC SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In addition, the staggered arrangement of rolls envisaged in the aforementioned documents does not make it possible to implement "soft reduction" to reduce the thickness of slabs at the exit of the ingot die to improve internal quality

Method used

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  • Plant for producing metal strip
  • Plant for producing metal strip
  • Plant for producing metal strip

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0028] Figure 1B Apparatus is shown for the continuous casting of continuous ingots 1 such as slabs, blocks or similar forms of steel comprising a series of pinning and guiding rolls (not shown) arranged below the ingot moulds. .

[0029] For explaining the present invention more clearly, do following definition:

[0030] - the inner arc surface and the outer arc surface of the steel ingot 1 are respectively the surfaces of the steel ingot that are close to or farthest from the bending center of the casting machine;

[0031] - transverse roll row means rolls arranged in a direction substantially perpendicular to the casting direction;

[0032] - A longitudinal row of rolls means rolls arranged in a direction parallel to the casting direction.

[0033] based on Figure 1B In the embodiment shown, three rows of longitudinal rolls are visible. The two lateral longitudinal rows that confine the ingot to the corresponding positions of the corner areas include, for example, ro...

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PUM

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Abstract

Plant for the continuous casting of thick slabs, blooms or other similar steel products comprising an ingot mould and a series of containment and guiding rollers placed in the area below the ingot mould on both sides of the cast product, i.e. on the intrados and extrados, respectively. The rollers are arranged on at least three longitudinal rows and all have an axial length shorter that the width of the cast product. The rollers of a central longitudinal row are advantageously staggered with respect to the lateral longitudinal row rollers in such a way as to reduce the surface of the bulges created due to the ferrostatic pressure existing in the liquid core of the product at ingot mould outlet. Furthermore, the pitch between the adjacent rollers is advantageously always of different values so as to not cause the buckling of the bulges with a single frequency.

Description

Technical field: [0001] The invention relates to equipment for continuous casting of slabs, blocks or other similar products. Background technique: [0002] Several existing plants for continuous casting of slabs or blocks are known. These machines use check and guide rolls placed under the ingot mold for support and exit the ingot mold along the bend under the product while the steel body solidifies. Upon exit from the ingot mould, the casting is only partially solidified and becomes a solidified exterior (called the skin or shell) which grows in thickness with distance from the exit of the ingot mould, which also includes a liquid portion, called the shell. core or metal core. Depending on the casting speed of the equipment, the end point of solidification (ie, the tip of the metal core) is more or less far from the exit portion of the ingot mold. As a result of successive attempts to increase casting speeds to increase equipment throughput, the length of the metal core...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/14B22D11/128
CPCB22D11/128B22D11/14
Inventor 努瑞丁·卡帕甲阿尔弗雷多·伯罗尼
Owner DANIELI & C OFF MEC SPA