High-speed low-inclusion electroslag remelting device and remelting method thereof

Abstract

The invention discloses a high-speed low-inclusion electroslag remelting device and a remelting method thereof and belongs to the field of remelting of electroslag. The electroslag remelting device comprises a consumable electrode, a crystallizer, an ultrasonic wave generator and an electrode driving mechanism, wherein one end of a dummy electrode of the electrode driving mechanism is fixedly connected to the consumable electrode; the other end of the dummy electrode is connected to a bearing of a fixing device; an adjustable-speed motor controls the dummy electrode to rotate; one end of a transformer is electrically connected to the dummy electrode through an electric brush, so that the consumable electrode rotates continuously and is affected by ultrasonic wave from the bottom at the same time in the remelting process. Through the remelting method based on the remelting device, the melting of the consumable electrode is accelerated; the energy consumption is reduced; the prepared electroslag ingots are uniform in structures, few in inclusions and high in quality.

Description

technical field [0001] The invention relates to the technical field of electroslag remelting, and more specifically relates to a high-speed, low-inclusion electroslag remelting device and a remelting method thereof. Background technique [0002] With the development of the machinery industry, people's requirements for steel quality are getting higher and higher. Improve the quality of steel mainly from the following two aspects: (1), reduce the content of gas and inclusions dissolved in the steel, so as to obtain steel with high cleanliness; Defects such as component segregation, uneven structure, shrinkage cavity and porosity, so as to obtain a dense and uniform crystal structure. [0003] Electroslag remelting is a remelting process commonly used in the production of high-quality steel. Since the metal droplets pass through the slag layer of a certain thickness drop by drop during the remelting process, the specific surface area of ​​the metal droplets is large, which in...

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Problems solved by technology

[0012] The object of the present invention is to overcome the deficiencies of low remelting efficiency, high power consumption, and inclusions in the prior art, and provide a high-speed, low-inclusions electroslag remelting device and its remelting method. The technical solution can speed up the smelting of consumable electrodes, reduce energy consumption, and the prepared electroslag ingot has uniform structure, less inclusions, and better quality

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