Lifting type permanent magnet stirring device and method

A permanent magnetic stirring and lifting technology, which is applied in the direction of mixer accessories, chemical instruments and methods, transportation and packaging, etc., can solve unfavorable melt solidification, structure and performance, unfavorable regulation and improvement of billet quality, single magnetic field mode, etc. problems, to achieve the effect of improving billet quality, reducing solute segregation, and realizing heat transfer
CN113893752AActive Publication Date: 2022-01-07CENT SOUTH UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CENT SOUTH UNIV
Publication Date
2022-01-07

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Abstract

The invention discloses a lifting type permanent magnet stirring device and a method. The device comprises a sleeve, a permanent magnet, a permanent magnet driving mechanism, a tray, a telescopic rod and a telescopic rod driving mechanism, the sleeve and the permanent magnet are assembled in a nested mode, the permanent magnet is driven by the permanent magnet driving mechanism to rotate, and the tray is arranged in the sleeve in a supported mode through the telescopic rod; the telescopic rod is driven by the telescopic rod driving mechanism to ascend and descend. The permanent magnet stirring device has the advantages of being simple in structure, easy and convenient to maintain, low in cost, convenient to operate and diversified in magnetic field mode, the controllability of the casting blank quality is improved, and the casting blank quality is improved. The device can be widely applied to the field of metallurgical melt permanent magnet stirring and the field of experimental research, meets the requirement for diversified research on the influence of permanent magnet stirring on melt solidification, tissue, performance and the like in a laboratory, and lays a foundation for subsequent industrial application.
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Description

technical field

[0001] The invention relates to the technical field of metallurgical melt stirring, in particular to a lifting type permanent magnetic stirring device and method. Background technique

[0002] At this stage, the three-phase AC electromagnetic stirrer has become a mainstream, effective and standard continuous casting configuration that can control the quality of the slab. More and more metallurgists are paying attention to regulating the quality of slab by applying electromagnetic stirring to the melt.

[0003] However, electromagnetic stirring requires high-power variable-frequency current to generate an alternating magnetic field, which faces a series of problems such as complex equipment, high energy consumption, and high maintenance costs. In addition, the stirrer must be cooled by flowing water with a certain pressure, and although high-quality cooling water is used, the service life of the coil is still relatively short.

[0004] With the rapid develop...

Claims

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