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

A low-inclusion, electroslag remelting technology, applied in the low-inclusion electroslag remelting device, high-speed field, can solve the problems of accelerating consumable electrode smelting, the existence of inclusions, and low remelting efficiency, so as to reduce the Effects of energy consumption, improvement of purity, and improvement of production efficiency

Active Publication Date: 2016-02-10
ANHUI FUKAI STAINLESS STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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 de

Method used

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

Examples

Experimental program
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Example Embodiment

[0038] Example 1

[0039] Combine figure 1 In this embodiment, a high-speed, low-inclusion electroslag remelting device includes a transformer 15, a consumable electrode 7, a crystallizer 8, an electrode driving mechanism, and an ultrasonic generating device arranged at the bottom of the crystallizer 8. Among them, the electrode driving mechanism is mainly composed of a fixing device, a speed-regulating motor 3 and a dummy electrode 4. The dummy electrode 4 is made of cylindrical metal material. One end of the dummy electrode 4 is fixedly connected with the metal consumable electrode 7, and the axis of the dummy electrode 4 is connected to The axis of the consumable electrode 7 coincides; the other end of the dummy electrode 4 is connected with the bearing 5 on the fixing device, so that the dummy electrode 4 can rotate in the bearing 5. The upper section of the dummy electrode 4 protrudes from the upper side of the bearing 5, and is connected to the speed-regulating motor 3 ins...

Example Embodiment

[0051] Example 2

[0052] A high-speed, low-inclusion electroslag remelting method of this embodiment, the basic steps are the same as those of embodiment 1, and the difference is: in this embodiment, the consumable electrode maintains a speed of 20r / min, and the ultrasonic power Adjust to 10W / cm 2 , Add Al-Mn-Si alloy to the slag pool for deoxidation, and add 5Kg / t steel.

Example Embodiment

[0053] Example 3

[0054] A high-speed, low-inclusion electroslag remelting method of this embodiment, the basic steps are the same as those of embodiment 1, and the difference is: in this embodiment, the consumable electrode maintains a rotation speed of 30r / min, and the ultrasonic power Adjust to 5W / cm 2 .

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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...

Claims

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Application Information

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IPC IPC(8): C22B9/187C22B9/18
Inventor 施晓芳常立忠王建军
Owner ANHUI FUKAI STAINLESS STEEL
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