Ladle drainage and swirl suppressing device

Abstract

The invention discloses a ladle drainage and swirl suppressing device, and relates to the field of ladle drainage devices in the process of steel continuous casting production. The ladle drainage andswirl suppressing device comprises a drainage device, a swirl suppressing device body and a drainage part. A drainage channel is formed in the drainage device in the direction of a drainage device inlet to a drainage device outlet. The swirl suppressing device body comprises a swirl suppressing disk, a nozzle plug is connected to the lower end of the swirl suppressing disk, the nozzle plug can beinserted into the drainage channel from the drainage device inlet, and a plurality of supporting pieces extending upwards are connected to the periphery of the swirl suppressing disk. The drainage part is placed in a containing cavity I, one end of the drainage part is connected with a push rod, and the other end of the drainage part is opposite to a containing cavity II. The purpose of the ladledrainage and swirl suppressing device is to overcome the problem of deficiency of using drainage sand to reduce the purity of steel liquid and forming a large number of ladle casting residues at the end stage of ladle casting in an existing continuous casting casting process, the use of the drainage sand during ladle casting process is avoided, the purity of the liquid steel is ensured, and the height of slag entrapment of the liquid steel is reduced, and the injection surplus of ladle is reduced.

Description

technical field [0001] The invention relates to the field of ladle drainage devices in the steel continuous casting production process, and more specifically relates to a ladle drainage and swirl suppression device. Background technique [0002] In the continuous casting production process of iron and steel enterprises, in order to make the molten steel in the ladle flow out smoothly, it is necessary to fill the nozzle with a high melting point in the nozzle at the bottom of the ladle as drainage sand. When the slide plate of the nozzle is opened, the molten steel can flow The outflow of the drainage sand flows out, thus completing the pouring process. People have done a lot of research on the pouring performance of drainage sand, making the current pouring technology very mature. [0003] At present, the materials of commonly used drainage sand mainly include chromium, silicon, and forsterite. Among them, chromium drainage sand is most commonly used in iron and steel enter...

AI Technical Summary

Problems solved by technology

Therefore, in order to avoid the steel slag being involved in the molten steel at the end of ladle pouring and affecting the purity of molten steel, the pouring is usually stopped before the vortex is formed at the end of pouring, which will form a large amount of ladle pouring residue mainly composed of steel slag and molten steel. The residue is only treated as a secondary resource, and the economic value of the smelted molten steel has not been reflected

[0009] To sum up, how to overcome the problems of reducing the purity of molten steel due to the use of drainage sand in the current continuous casting process and the formation of a large number of ladle pouring residues at the end of ladle pouring is a technical problem that needs to be solved urgently in the prior art

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