Device and method for adding alloy in non-vacuum induction furnace

A non-vacuum induction furnace and alloy technology, applied in furnaces, electric furnaces, furnace types, etc., can solve the problem that the molten steel cannot be completely isolated from air and molten steel, and achieve the effects of simple structure, improved quality and flexible operation.

Active Publication Date: 2016-01-06
ANGANG STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of the device is too simple, and it cannot completely ensure that the molten steel is isolated from the contact between the air and the molten steel during the smelting process.

Method used

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  • Device and method for adding alloy in non-vacuum induction furnace
  • Device and method for adding alloy in non-vacuum induction furnace
  • Device and method for adding alloy in non-vacuum induction furnace

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Embodiment Construction

[0032] For further describing the present invention, below in conjunction with embodiment the present invention is described in more detail:

[0033] The non-vacuum induction furnace alloy adding device consists of an air blowing trolley 8, a splash guard 4, a conveying pipe 5, an upper air blowing pipe 1, a lower air blowing pipe 9, an air outlet 2, an air conveying pipe 6 and a protective gas source 7. The splash guard 4 and the conveying pipe 5 are connected by welding, and the splash guard 4 is in the shape of a hollow circular frustum or a prism. The splash guard 4 is located below the conveying pipe 5 , and the splash shield 4 and the conveying pipe 5 are welded on the blowing trolley 8 . The diameter of the splash guard 4 is designed according to the size of the furnace mouth, and the height of the splash guard 4 will help reduce the alloy drop, thereby reducing splashing. The upper air blowing pipe 1 and the lower air blowing pipe 9 are all made of circular rings by s...

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Abstract

The invention discloses a device and a method for adding an alloy in a non-vacuum induction furnace. The device is composed of a gas blowing trolley, a splash shield, a conveying tube, an upper gas blowing tube, a lower gas blowing tube, a gas outlet, a gas delivery tube and a protective gas source, wherein the splash shield is fixedly connected with the conveying tube; the splash shield is located below the conveying tube; the splash shield and the conveying tube are fixedly connected to the gas blowing trolley; the upper gas blowing tube and the lower gas blowing tube are annular, one end thereof is connected with the gas delivery tube, and the other end thereof is sealed; the upper gas blowing tube is fixedly connected just above the conveying tube; the lower gas blowing tube is fixedly connected just below the splash shield; the protective gas source is connected with the gas delivery tube; and the gas delivery tube is connected with the upper gas blowing tube and the lower gas blowing tube respectively.

Description

technical field [0001] The invention belongs to the technical field of induction furnace smelting, and in particular relates to an alloy adding device and method for improving the alloy yield of a non-vacuum induction furnace. Background technique [0002] Induction electric furnace steelmaking uses high-frequency current to pass through the coil to generate an AC magnetic field. The AC magnetic field forms an induced current in the charge, and relies on the resistance of the charge itself to convert electrical energy into heat energy, thereby heating the charge and melting the charge into molten steel. . [0003] In order to ensure the quality of steel, smelting is usually carried out in a vacuum induction furnace, and the scrap steel is put into the induction furnace, and the alloy elements are put into the alloy silo according to the prepared amount, and at the same time, the cast mold is put into the vacuum furnace together, and the vacuum is drawn. After reaching the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C5/52
Inventor 李广帮廖相巍曹东贾吉祥郭庆涛万雪峰尚德礼朱晓雷
Owner ANGANG STEEL CO LTD
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