Embedded intelligent control system for electrical magnesium smelting furnace

Abstract

The invention relates to an embedded intelligent control system for an electrical magnesium smelting furnace. The embedded intelligent control system comprises a voltage transmission, a current transformer, a current transmission, an embedded intelligent controller, a control terminal, a frequency converter, an operation desk, a variable frequency motor and an asynchronous motor, wherein the voltage transmission, the current transformer and the current transmission are connected with the electrical magnesium smelting furnace; the current transformer and the current transmission are connected with the embedded intelligent controller; the embedded intelligent controller is connected with the control terminal, the frequency converter and the operation desk respectively; the frequency converter is connected with the variable frequency motor; the operation desk is connected with the asynchronous motor; the variable frequency motor and the asynchronous motor are connected with the electricalmagnesium smelting furnace respectively; and the embedded intelligent controller comprises a CPU, a system bus, a signal input-output module, a signal isolation protection circuit board and a power system. Through the adoption of the system, the electrical magnesium smelting furnace can be controlled intelligently; the labor intensity is relieved; a good control effect is achieved; the product energy consumption is lowered; the yield is improved; and stable running of the control system is ensured.

Description

technical field [0001] The invention relates to the technical field of intelligent control systems, in particular to an intelligent control system for an embedded fused magnesium furnace. Background technique [0002] The performance index used to reflect the energy consumption of the product in the smelting process of the electric fused magnesium furnace is the energy consumption per ton of the product, that is, the electric energy consumed for each ton of qualified products produced. The energy consumption per ton is directly related to the size and fluctuation range of the smelting current value. If the current value is too large or small, and the current fluctuates violently, the energy consumption per ton of the product will not meet the requirements. [0003] The overall level of the existing control methods and control systems for fused magnesium furnaces is low, and most of the smelting process stays in the manual operation stage. A small part of the smelting proces...

AI Technical Summary

Problems solved by technology

The energy consumption per ton is directly related to the size and fluctuation range of the smelting current value. If the current value is too large or too small, and the current fluctuates violently, the energy consumption per ton of the product will not meet the requirements.

[0003] The overall level of the control method and control system of the existing fused magnesium furnace is low, and most of the smelting process stays in the manual operation stage

A small part of the smelting process can use the advanced PLC control system to realize the tracking control of the current loop, but the current closed-loop setting control aimed at reducing the energy consumption per ton and the identification and treatment of abnormal working conditions still need to rely on manual experience.

Due to the harsh environment of the smelting site and the high labor intensity of the workers, it is difficult to guarantee the control effect with the existing control method and control system of the electrocautery furnace, resulting in high energy consumption of products, low output, frequent abnormal working conditions, and operation of the control system in the smelting process. problems such as instability

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