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Tundish control management system and method

A control management and tundish technology, applied in general control system, control/adjustment system, program control, etc., can solve problems such as large fluctuation of tundish liquid level, influence on molten steel quality, poor control of adjustment accuracy, etc., to eliminate Vortex slag rolling, improving the purity of molten steel, and reliable design principles

Pending Publication Date: 2022-05-10
RIZHAO STEEL HLDG GROUP
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Problems solved by technology

[0003] In actual production, individual furnaces rely on manual control of the hydraulic cylinder to adjust the opening of the ladle nozzle, thereby controlling the amount of molten steel flowing into the tundish. The adjustment accuracy is not easy to grasp, and there will be large fluctuations in the tundish liquid level If low, slag rolling will occur, which will affect the quality of molten steel

Method used

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  • Tundish control management system and method
  • Tundish control management system and method
  • Tundish control management system and method

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Embodiment Construction

[0065] In order to make those skilled in the art better understand the technical solutions of the present invention, 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 The embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0066] like figure 1 As shown, the embodiment of the present invention provides a tundish control and management system, the system includes a tundish and a ladle, the liquid outlet of the ladle is provided with a sliding plate, and the sliding plate is driven by a driving device to move at the position of the liquid outle...

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Abstract

The invention belongs to the technical field of metallurgical machinery automatic control, and particularly provides a tundish control management system and method, and the method comprises the following steps: detecting the weight of a tundish and the liquid level of molten steel in the tundish, and transmitting the detection information to a PLC controller; the PLC transmits the received weight information and liquid level information to an upper computer; the upper computer processes the received information after receiving the information transmitted by the PLC and outputs the information to set a data block corresponding to the PLC when the weight information or the liquid level information is greater than a set threshold value; when the PLC monitors the setting information of the data block, control information is generated and output to a driving device of a steel ladle outlet sliding plate, the driving device drives the sliding plate to move so as to adjust the opening degree of a steel ladle outlet, and the inflow amount of tundish molten steel is controlled. Therefore, vortex generation in the steel ladle is disturbed, vortex slag entrapment of the steel ladle can be effectively eliminated, and the purity of molten steel is improved.

Description

technical field [0001] The invention relates to the technical field of automatic control of metallurgical machinery, in particular to a tundish control management system and method. Background technique [0002] With the continuous improvement of users' requirements for steel quality, smelting clean steel with small inclusions, uniform distribution and no harm to steel performance has become the focus of steelmaking science and technology research. In the current continuous casting process of the iron and steel industry, in order to continue the production, the continuous casting tundish is an indispensable molten steel container in the entire continuous casting production process. The continuous casting tundish is the transition container between the ladle and the mold, which has the function of stabilizing the steel flow, promoting the floating of non-metallic inclusions in the steel and realizing the continuous casting of multiple furnaces. The continuous casting tundish...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05B22D11/18
CPCG05B19/054B22D11/181B22D11/183B22D11/182G05B2219/1103
Inventor 侯福庆张兆军冯树军鲍振振
Owner RIZHAO STEEL HLDG GROUP
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