Intelligent heat-flow coupling variable-pressure circulating water and full-life-cycle scale prevention method and system

By using an intelligent heat-fluid coupled variable pressure circulating water system, combined with data acquisition, edge computing, and water quality monitoring, the system dynamically adjusts the water supply pressure and flow rate, solving the cooling supply and scaling problems in the smelting of heavy non-ferrous metals, and achieving safe, efficient, green operation and predictive maintenance of the system.

CN122284481APending Publication Date: 2026-06-26KUNMING UNIV OF SCI & TECH
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Patent Information

Application Number
CN202610284630.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-10
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Modern industrial sites involve large amounts of data, strong variable coupling, and frequent switching of operating conditions. Traditional PID control struggles to achieve optimal control across operating conditions and early risk identification, leading to severe problems such as mismatch between cooling supply and heat load, scaling, and corrosion in the pyrometallurgical process of heavy non-ferrous metals, which affect system safety and efficiency.

Method used

The system employs an intelligent heat-fluid coupled variable pressure circulating water system. It collects data in real time through PLC/DCS, uses edge computing units for rolling prediction and anomaly diagnosis, combines physical margin and mechanism models for risk identification and control, dynamically adjusts water supply pressure and flow, and combines online water quality monitoring and dosing systems to achieve multi-objective optimization control.

Benefits of technology

It has enabled the safe, efficient, and green operation of the cooling system in the smelting process of heavy non-ferrous metals, reduced energy consumption and operating costs, improved the system's adaptability and predictive maintenance level, and prevented the risks of vaporization and scaling.

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Abstract

The invention relates to the technical field of non-ferrous metal metallurgical engineering, industrial circulating water treatment and industrial artificial intelligence control, and discloses an intelligent heat-flow coupling variable-pressure circulating water and full-life-cycle scale prevention method and system.The method comprises the steps that the system is powered on to form a real-time state vector subjected to quality verification; the real-time state vector is pushed to an edge calculation unit or a PLC coprocessor, and a thermotechnical and water quality key quantity prediction value in a future prediction window is output; obtaining a risk prediction result and an abnormality diagnosis conclusion; a risk prediction result and an abnormal diagnosis conclusion are input into an integrated setter, and rolling updating is carried out in each strategy period according to constraint priority and security coverage logic; and the updated pollution discharge set value and the updated dosing set value are issued to a heat-flow coupling execution layer and a water quality dynamic balance execution layer. The running efficiency and safety of the circulating water system are effectively improved, the maintenance cost is reduced, and the service life of equipment is prolonged.
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