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A high-speed, low-inclusion electroslag remelting device and its remelting method

A low-inclusion, electroslag remelting technology, applied to low-inclusion electroslag remelting devices, high-speed fields, can solve the problems of accelerated consumable electrode melting, low remelting efficiency, and inclusions, etc. The effect of energy consumption, production efficiency improvement, and purity improvement

Active Publication Date: 2017-12-26
ANHUI FUKAI STAINLESS STEEL
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  • Abstract
  • Description
  • Claims
  • Application Information

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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

Method used

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  • A high-speed, low-inclusion electroslag remelting device and its remelting method
  • A high-speed, low-inclusion electroslag remelting device and its remelting method

Examples

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Embodiment 1

[0039] to combine figure 1 , a high-speed, low-inclusion electroslag remelting device in this embodiment includes a transformer 15, a consumable electrode 7, a crystallizer 8, an electrode drive mechanism, and an ultrasonic generator installed 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. The axes of the consumable electrodes 7 coincide; 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 installed on the fixing device through a reduction gear, and the dummy electrode 4 is controlled to rotate by the speed-regulating motor 3 .

[0040]One end of the transf...

Embodiment 2

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

Embodiment 3

[0054] A high-speed, low-inclusion electroslag remelting method in this embodiment has the same basic steps as in Embodiment 1, the difference is that in this embodiment, the consumable electrode maintains a rotating speed of 30r / min, and the ultrasonic power Adjusted 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, belonging to the field of electroslag remelting. The electroslag remelting device of the present invention comprises a consumable electrode, a crystallizer, an ultrasonic generating device and an electrode drive mechanism, one end of the dummy electrode in the electrode drive mechanism is connected with the consumable electrode, and the other end of the dummy electrode is connected to the The bearings are connected, and the rotation of the dummy electrode is controlled by a speed-regulating motor. One end of the transformer is electrically connected to the dummy electrode through a brush. Therefore, during the remelting process, the consumable electrode is constantly rotating and is affected by ultrasonic waves from the bottom. Based on the remelting method adopted by the remelting device of the present invention, the smelting of consumable electrodes is accelerated, energy consumption is reduced, and the prepared electroslag ingot has uniform structure, less inclusions and better 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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Patent Type & Authority Patents(China)
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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