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Tundish plasma heating arc control method, device and control system

An arc control, plasma technology used in manufacturing tools, metalworking equipment, casting melt vessels, etc.

Active Publication Date: 2022-07-05
北京奥邦新材料有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Based on the problem that the existing plasma heating arc control method cannot well maintain the stability of the plasma arc, the embodiment of the present invention provides a tundish plasma heating arc control method, device and control system, which can effectively improve the stability of the plasma arc. stability

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  • Tundish plasma heating arc control method, device and control system
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  • Tundish plasma heating arc control method, device and control system

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Embodiment Construction

[0062] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work are protected by the present invention. scope.

[0063] In steel production, continuous casting is an important part of it. In the process of continuous casting, controlling the temperature stability and low superheat of molten steel in the tundish is of great significance to improve production efficiency and product quality. However, during the whole continuous casting process, especially in...

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Abstract

The invention provides a tundish plasma heating arc control method, device and control system, which relate to the technical field of iron and steel metallurgy. Consumption speed; when receiving a heating request, control the plasma heating electrode to move to the set position and heat the molten steel in the tundish; the distance from the set position to the liquid level of the molten steel is a constant distance; according to the molten steel in the tundish According to the change of the liquid level height and the consumption length of the plasma heating electrode, the height of the plasma heating electrode is adjusted in real time, so that the plasma heating electrode and the liquid level of the molten steel keep a constant distance . This solution can keep the distance between the molten steel level and the plasma heating electrode constant, that is, the arc length is constant, thereby making the plasma arc more stable.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of iron and steel metallurgy, and in particular, to a tundish plasma heating arc control method, device and control system. Background technique [0002] In the continuous casting process of iron and steel production, controlling the temperature stability and low superheat degree of molten steel in the tundish is of great significance to improve production efficiency and product quality. Since the heat of the molten steel in the tundish is inevitably lost during the continuous casting process, it is necessary to use the plasma heating method to stabilize the temperature of the molten steel in the tundish near the target value. [0003] However, in the tundish plasma heating process, in order to keep the plasma arc stable, a constant voltage or constant impedance mode is generally used to dynamically adjust the electrode height. However, there is no linear relationship between the a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/16B22D11/11B22D41/01
CPCB22D11/16B22D11/11B22D41/01Y02P10/25
Inventor 王存康成龙林吉臣
Owner 北京奥邦新材料有限公司