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Continuous casting machine and method using molten mold flux

A technology of mold slag and continuous casting machine, which is used in casting melt containers, casting equipment, manufacturing tools, etc., can solve problems such as the limitation of supply of molten slag in molten state, and achieve the effect of preventing turbidity of cooling water and improving the casting environment.

Inactive Publication Date: 2009-07-08
POHANG IRON & STEEL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, paper is limited in supplying mold flux in the molten state throughout the stages of the continuous casting process

Method used

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  • Continuous casting machine and method using molten mold flux
  • Continuous casting machine and method using molten mold flux
  • Continuous casting machine and method using molten mold flux

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Embodiment Construction

[0032] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various forms. These examples are provided only for the purpose of illustration and for those skilled in the art to fully understand the scope of the present invention. Throughout the drawings, the same reference numerals are used to designate the same elements.

[0033] figure 2 is a schematic diagram showing a continuous casting machine according to the present invention. The continuous casting machine of the present invention comprises: a mold 10; a submerged nozzle 30 for supplying molten steel into the mold 10; a mold cover 100 for covering the upper part of the mold 10; a mold slag melting unit 200 for melting the mold flux to be supplied into the mold;

[0034] In the above configuration, the mold 10 and the submerged noz...

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Abstract

The present invention relates to a continuous casting machine and method using molten mold flux. The continuous casting machine includes a mold cover for covering an upper portion of a mold; a mold flux melting unit for melting mold flux to be supplied into the mold; and a mold flux delivery unit for supplying the mold with the molten mold flux melted in the mold flux melting unit, wherein the delivery unit includes an injection tube with one end connected to the mold flux melting unit and the other end positioned in the mold through the mold cover, and an injection tube heater for heating the injection tube. According to the present invention, since a slag bear continuous casting machine and method using molten mold flux is removed, a consumption of mold flux is greatly increased compared with a case of a conventional casting work, so that the friction between a mold and a solidified shell is reduced. As a result, an amount of scarfing of a cast piece is greatly reduced and no carbon pick-up occurs.

Description

technical field [0001] The present invention relates to a continuous casting machine and a continuous casting method using molten mold flux, more specifically, the present invention relates to a continuous casting machine and a continuous casting method using molten mold flux, wherein, throughout the continuous In the casting stage, after the mold slag to be supplied is previously melted outside the mold, the mold slag is injected in a liquid state onto the surface of molten steel in the continuous casting mold. Background technique [0002] Generally, in order to manufacture castings (a casting is a general term for slab, billet, bloom, shaped billet, etc.) in a continuous casting machine, liquid steel supplied from a ladle is passed through a mold through a tundish storing molten steel, A solid solidified shell is then formed by means of a cooling operation in a crystallizer. While the solidified shell obtained by cooling molten steel is guided by guide rollers installed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/108
CPCB22D11/111B22D11/108B22D11/165B22D41/01B22D41/22C22C5/04B22D41/50
Inventor 赵重郁郑玹锡朴钟珉金句和权五德朴重吉李淳圭李相浩文己显
Owner POHANG IRON & STEEL CO LTD
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