Continuous casting protection casting device of high-quality steel

A high-quality, continuous casting technology, used in casting equipment, casting melt containers, metal processing equipment, etc., can solve the problems of uneven distribution of argon, low utilization of argon, poor argon sealing effect, etc. Sealing and sealing effect, improving molten steel quality, ensuring smooth progress

Active Publication Date: 2014-12-24
MAGANG (GROUP) HOLDING CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages are that the lower part of the conical cap is open, the distribution of argon gas is une

Method used

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  • Continuous casting protection casting device of high-quality steel
  • Continuous casting protection casting device of high-quality steel
  • Continuous casting protection casting device of high-quality steel

Examples

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[0018] The present invention will be further described in detail below in conjunction with embodiments.

[0019] by figure 1 It can be seen that the high-quality steel continuous casting protective casting device includes the ladle 9, the drain 5 and the shroud 1. The drain is placed under the steel tap of the ladle, the drain is sleeved with the shroud, and the upper end of the shroud is provided with an iron shell 2. An argon gas inlet 3 is provided on the side of the iron shell. An elastic bellows 4 is arranged on the iron shell. The bellows surrounds the drain. The upper end of the bellows is provided with a ring-shaped asbestos gasket 6, which rests under the ladle and is opposite to the steel outlet. The contact part of the ladle and the bellows is sealed; the conical asbestos sealing ring 7 is provided at the junction of the downfall and the shroud, which is sealed by the shroud, iron shell, elastic bellows, asbestos gasket, drain and asbestos sealing ring. Argon gas tight...

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Abstract

The invention relates to a continuous casting protection casting device of high-quality steel, which belongs to molten steel casting equipment, and particularly relates to a continuous casting protection casting device for the high-quality steel. The continuous casting protection casting device is characterized in that an elastic corrugated pipe is arranged on an iron casing, a water outlet is surrounded by the corrugated pipe, and an annular asbestos sealing gasket is arranged on the upper end of the corrugated pipe, is abutted below a steel ladle and is opposite to a steel outlet; a conical asbestos sealing ring is arranged in the contact position of the water outlet and a long water opening, and the long water opening, the elastic corrugated pipe, the asbestos sealing gasket, the water outlet and the asbestos sealing ring form an elastic argon gas sealing chamber. The continuous casting protection casting device has the advantages that the elastic argon gas sealing chamber which is provided with an argon gas inlet and is formed by the elastic corrugated pipe, the asbestos sealing gasket and the asbestos sealing ring is arranged between the water outlet and the long water opening, so that molten steel is effectively prevented from being contacted with air, the argon sealing effect is enhanced, secondary oxidation of the molten steel is avoided, smooth continuous casting production is guaranteed, inclusions in steel are reduced, the quality of the molten steel is improved and improved, and the requirement of high purity of the high-quality steel is satisfied.

Description

Technical field [0001] The invention belongs to molten steel casting equipment, and particularly relates to a protective casting device for continuous casting of high-quality steel. Background technique [0002] With the continuous development of high-quality steel, the requirements for steel purity are getting higher and higher. After the molten steel, especially the high-quality aluminum-containing steel, has been refined, the content of inclusions in the molten steel is very low, so the secondary steel in the continuous casting process Oxidation will become one of the important factors affecting steel purity. During casting, due to the structural characteristics of the sleeve of the spout and the bowl of the shroud, there is a certain gap between the bowl of the shroud and the end of the spout. During the casting process, under the action of the high-speed steel flow, this area will produce relatively Large negative pressure makes it easy to inhale air from the junction of th...

Claims

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Application Information

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IPC IPC(8): B22D41/58
Inventor 金友林王民章汪国才龚志翔杜松林
Owner MAGANG (GROUP) HOLDING CO LTD
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