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Intelligent Control System of Secondary Wire Feeder in Ladle Refining Furnace

An intelligent control system and technology of ladle refining furnace, applied in the field of control system and control system of ladle refining furnace, can solve the problems of data input error, influence of production rhythm, multiple auxiliary time, etc., so as to reduce labor, reduce labor intensity and simplify Effects of complexity

Active Publication Date: 2021-12-14
SHANGHAI MEISHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology generally calculates the amount of wire feeding manually, manually inputs it on the HMI screen, and then manually controls the start and end of the wire feeding action. The disadvantage is that manual calculation and manual input may easily cause data input errors, and generally Control according to the upper limit requirements results in higher costs and requires more auxiliary time, which has a certain impact on the production rhythm

Method used

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  • Intelligent Control System of Secondary Wire Feeder in Ladle Refining Furnace
  • Intelligent Control System of Secondary Wire Feeder in Ladle Refining Furnace

Examples

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Embodiment 1

[0149] Embodiment 1: An intelligent control system for the second-stream wire feeder of the ladle refining furnace, including two control systems: the process control system L2 system, which is mainly used for process control, parameter setting, process data collection and storage of production control; basic automation The control system L1 system is mainly used to control the related actions of the equipment through PLC.

[0150] An intelligent control system for a second-stream wire feeder of a ladle refining furnace, including the following control modules: (1) L2 parameter storage and maintenance module: used for storing and maintaining the types of wires of the wire feeder and related parameters required for calculating the length of the wires; 2) L2 data collection module: used to collect relevant process data of production furnaces; (3) L2 wire calculation module: calculate the required wire feeding amount according to the initial conditions and target requirements of m...

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Abstract

The invention relates to an intelligent control system for a second-stream wire feeder of a ladle refining furnace, characterized in that the control system includes an L2 parameter storage and maintenance module, an L2 data collection module, an L2 wire yield self-learning module, and an L2 wire calculation module , L1‑L2 communication module and L1 PLC control module. This solution automatically calculates the type and length of the wire, and automatically calculates the type and length of the wire according to the initial composition and target composition requirements of the molten steel, avoiding manual calculations. The error makes the control accuracy higher, and does not require manual calculation, reducing the labor intensity of manual work.

Description

technical field [0001] The invention relates to a control system, in particular to an intelligent control system and control method for a second-stream wire feeder of a ladle refining furnace, and belongs to the technical field of ladle refining furnace control systems. Background technique [0002] The ladle refining process involves adding various wires (such as aluminum wires, calcium wires, etc.) to adjust the composition of molten steel to meet the target requirements. At the same time, when the oxygen content of molten steel is high, use aluminum wires to deoxidize and adjust the aluminum content of molten steel. In order to ensure the target requirements of molten steel composition, it is very important to accurately control the amount of wire feeding. Due to different batches of the same silk thread, there are certain differences in linear density and composition, and slight changes in equipment conditions will lead to changes in the effect of silk feeding. In order ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05C21C7/00C21C7/06
CPCG05B19/054C21C7/0006C21C7/0056C21C7/0075C21C7/06G05B2219/1103Y02P10/25
Inventor 王绪国
Owner SHANGHAI MEISHAN IRON & STEEL CO LTD
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