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Smelting alloy component control system and control method

An alloy composition and control system technology, applied in the field of steelmaking and smelting, can solve the problems of not considering the process characteristics of phosphorus recovery and sulfur recovery, inability to adapt to the cost reduction of alloys, and excessive use of alloys, so as to improve resource utilization and facilitate optimization. Parameters, the effect of reducing the cost of steel alloy per ton

Pending Publication Date: 2021-12-17
SHANGHAI MEISHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Simply relying on simple manual calculations, in order to prevent insufficient alloy components from reserving each station, sometimes the alloy components are out of line and the alloy is overused, so it can no longer meet the needs of alloy cost reduction
[0006] The published patent CN201911291782 is a method and device for reducing the cost of smelting alloys. Both the disclosed technology and this technology involve the calculation of the amount of alloy added, but the disclosed technology mainly calculates the amount of alloy added theoretically through the percentage of each component content in molten steel. There is no Considering the process characteristics of phosphorus return, sulfur return and bottom blowing carburization in the molten steel smelting process in the actual production process

Method used

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  • Smelting alloy component control system and control method
  • Smelting alloy component control system and control method
  • Smelting alloy component control system and control method

Examples

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Embodiment 1

[0104] Embodiment 1: see figure 1, provides a smelting alloy composition control system, the control system includes an alloy addition amount calculation system 1, each process communication module 2, an alloy composition prediction module 3, an alloy material distribution module 4, and an alloy cost online evaluation module 5. The calculation system 1 for alloy addition mainly includes a data processing module and an alloy calculation module. The function of the data processing module is to carry out corresponding logic processing and judgment on the input data such as relevant parameters, smelting route, blowing and stopping composition requirements, deoxidation mechanism, etc.; the alloy calculation module is to realize the automatic calculation of the alloy addition amount including each process of steelmaking. The communication module 2 of each process uses the TCP-based Socket communication interface to realize the sending and receiving of data. The main function is to ...

Embodiment 2

[0105] Example 2: see figure 1 , figure 2 , a method for controlling alloy composition based on the optimal cost of the whole process, said control method comprising the steps of:

[0106] Step 1: Each communication module of the control system obtains the latest tapping plan, manufacturing standard, and operating standard in the L2 process control system, and the actual performance end point sample information of each process and other related data, mainly including obtaining smelting route, plan number, and tapping mark , the upper and lower limits of the composition of the finished product, etc.;

[0107] The specific process is as follows: 1. The L2 system monitoring program of each process monitors system events; 2. After the furnace starts, send the "heating start" event information; 3. After receiving the event, the monitoring program obtains information such as steel types and standards, and communicates with The heat binding of the newly generated heat; 4. Call th...

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Abstract

The invention relates to a smelting alloy component control system, which comprises an alloy adding amount calculation system, a communication module for all working procedures, an alloy component prediction module, an alloy material issuing module and an alloy cost online evaluation module, wherein the alloy adding amount calculation system mainly comprises a data processing module and an alloy calculation module, and the data processing module is used for performing corresponding logic processing and judgment on input data such as related parameters, smelting paths, blowing stop component requirements and deoxidation mechanisms; and the alloy calculation module is used for automatically calculating the alloy adding amount of each steelmaking process. According to the smelting alloy component control system, the whole system is simple and reasonable in design, a linear programming algorithm is jointly used for carrying out operation planning on the manganese alloy adding amount based on a whole process, a converter, an argon station, refining and an RH alloy model, the use of other alloys is fully considered, and the alloy adding amount is optimal by taking the cost and components as constraint conditions in combination with a smelting path.

Description

technical field [0001] The invention relates to a control device, in particular to a smelting alloy composition control system, which belongs to the technical field of steelmaking and smelting. Background technique [0002] In the steelmaking process, it is usually necessary to add alloys to remove inclusions and adjust the alloy composition of molten steel to improve the properties of steel. Different alloys have different effects. Carbon, manganese, etc. can increase the tensile strength and hardness of steel; aluminum can increase the oxidation resistance and corrosion resistance of steel; niobium can improve strength; niobium can improve welding performance, atmospheric corrosion resistance and high temperature resistance. Hydrogen, nitrogen, ammonia corrosion ability. [0003] Steelmaking alloy composition control involves multi-process and multi-grade alloy additions. The distribution of alloy composition control in each process, the price and yield difference of dif...

Claims

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Application Information

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IPC IPC(8): G05B19/418C21C7/00
CPCG05B19/41865C21C7/0006G05B2219/32252Y02P10/25Y02P90/02
Inventor 管萍朱坤陈绍林詹起梅高建军
Owner SHANGHAI MEISHAN IRON & STEEL CO LTD
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