Intelligent end point judgment solution for copper converter
1. Background and meaning
PS converter is used as bronze blowing The main process has the characteristics of mature process, flexible operation, strong adaptability and low cost. The main purpose of blowing is to remove impurities and sulfides in the raw materials and improve the grade of copper. The entire conversion cycle is divided into a slag-making period and a copper-making period. The end-point judgment of the copper-making period has a critical influence on the copper grade. At present, the end-point judgment of the copper converter is mainly based on manual sampling observation, and the following problems exist:
● Manual sampling is affected by experience and may lead to accidents such as overblowing or underblowing;
● A cycle requires multiple sampling, which is labor intensive.
The system structure of the intelligent end point judgment solution for copper converters mainly includes melt multispectral temperature probes, flue gas sampling probes, gas analyzers, electrical control boxes, servers, and The display terminal is composed of a multispectral temperature probe installed on the side wall of the converter solvent discharge port to monitor the melt temperature in the converter. The flue gas sampling probe is installed at the rigid connection between the flue gas waste heat outlet of the converter process section and the bell valve , Used for sampling and processing of flue gas. The system combines real-time detection of melt temperature, flue gas component concentration, flue gas flow, etc., combined with manual data analysis technology, to achieve the prediction and accurate judgment of the converter end point.
● Automatic end point warning and end point judgment, assist furnace operators in end point judgment, reduce labor intensity;
● Improve the converter technology level, enhance the converter’s operating efficiency, and ensure product quality.
4. Application case
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