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Continuous casting roll for metal strip comprising cooling circuit

A technology of cooling circuit and roll, applied in the field of continuous casting of aluminum strip or aluminum alloy strip, cooling circuit of continuous casting roll of metal strip

Inactive Publication Date: 2006-08-23
NOVELIS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can basically reduce ovalization without changing the roll, but it needs to configure the working mode of the external cooling circuit and the casting machine

Method used

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  • Continuous casting roll for metal strip comprising cooling circuit
  • Continuous casting roll for metal strip comprising cooling circuit
  • Continuous casting roll for metal strip comprising cooling circuit

Examples

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Embodiment Construction

[0028] [28] For the sake of brevity, components with the same function such as distribution headers and supply pipes are also used Image 6 The overall label in is marked. For example, distribution headers 7101 , 7102 , 7103 , .

[0029] [29] The roll body 110 of the continuous casting machine of the present invention is adapted to support a cylindrical collar 111 in its central part, called the rolling zone 20, and comprises a cooling circuit 200 comprising at least one cooling liquid supply pipe 30, at least one coolant discharge pipe 40, at least one distribution header 70, at least one discharge header 80, at least one distribution pipe 50 connecting each header to a corresponding supply pipe or discharge pipe, 60, and the annular groove 90 connecting the distribution header and the discharge header, the header and the annular groove are used to make the cooling liquid circulating in the circuit contact the inner surface of the ring sleeve 111 This is allowed to cool, ch...

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Abstract

The invention concerns a continuous casting roll body (110) capable of bearing in its central part a cylindrical hoop (111) and comprising a cooling circuit (200), said circuit comprising at least a duct supplying coolant (30), at least a duct evacuating the coolant (40), at least a dispensing manifold (70), at least an evacuating manifold (80), at least a distributing tube (50, 60) linking each manifold to the corresponding duct, and a plurality of annular channels (90) connecting the feeding and evacuating manifolds, said manifolds and annular channels contacting the coolant circulating in said circuit with the inner surface of the hoop (111) so as to cool it. The invention is characterised in that the manifolds (70, 80) are arranged so as to cause the dispensing manifolds (70) and the evacuating manifolds (80) to alternate both in the peripheral direction and in the longitudinal direction. The invention enables to reduce the heterogeneous temperature levels at the surface of the hoop and the variations in thickness of the strips produced by continuous casting.

Description

technical field [0001] [01] The present invention relates to the continuous casting of metal strip, especially aluminum strip or aluminum alloy strip. In particular, the invention relates to cooling circuits for continuous casting rolls of metal strip, which reduce thermal ovalization of said rolls during use. Background technique [0002] [02] If figure 1 As shown in the transverse sectional view of , a metal strip continuous casting machine generally includes at least two opposite identical rolls 1A and 1B, which are separated by a gap E equal to the thickness of the metal strip to be produced, and reverse each other. to turn. The metal 2 is supplied in liquid form from one side of the gap by means of an injector 6, while the metal strip 3 is discharged from the other side with its nominal thickness Eo. The metal is solidified at what is called the solidification face 5 between the two rolls. [0003] [03] Using this device, metal strips with a thickness of several cen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/06B22D11/00
CPCB22D11/0682B22D11/0622B22D11/003
Inventor 雅克·格里丰克劳德·布雷丝
Owner NOVELIS INC