Monitoring System and Method for Mine Water Evaporation-Freeze Crystallization Process

By employing an LSTM network and a collaborative control rule-based monitoring system in the mine water evaporation-freeze crystallization process, the parameters of the evaporation and freezing sections are monitored and adaptively adjusted in real time. This addresses the shortcomings of traditional monitoring methods, improves resource recovery rate and automation level, reduces energy consumption, and realizes the construction of green mines.

CN120887489BActive Publication Date: 2026-05-26XIAN TPRI WATER & ENVIRONMENTAL PROTECTION +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIAN TPRI WATER & ENVIRONMENTAL PROTECTION
Filing Date
2025-07-08
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Traditional manual inspection and single-point instrument monitoring methods are insufficient to meet the needs of mine water treatment for efficient, intelligent and precise operation and management. In particular, in the evaporation-freeze crystallization process, it is difficult to grasp the changes in water quality, equipment operation status and crystallization salt production in real time, resulting in low resource recovery rate, high energy consumption and insufficient automation level.

Method used

A mine water evaporation-freeze crystallization process monitoring system is adopted. The influence weights of parameters in the evaporation and freezing sections are dynamically analyzed through an LSTM network. The crystallization process is coupled and analyzed in real time to predict the fluctuation risk level of the crystallization process. Adaptive regulation is carried out according to collaborative control rules, including strategies such as automatic injection of scale inhibitors, adjustment of cooling gradient, and optimization of stirring frequency.

Benefits of technology

It enables real-time monitoring of mine water quality changes and equipment operation status, dynamically adjusts process parameters, improves resource recovery rate and automation level, reduces operating energy consumption and labor input, and promotes the resource utilization of mine water and the construction of green mines.

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Abstract

This invention discloses a monitoring system and method for a mine water evaporation-freeze crystallization process, belonging to the field of process monitoring technology. When the parameters of the evaporation and freezing sections fluctuate, adaptive regulation is performed based on collaborative control rules. The system dynamically analyzes the influence weight of these fluctuations on the crystallization process, performs real-time coupling analysis of the evaporation and freezing parameters with the crystallization process, predicts the risk level of crystallization process fluctuations, and generates corresponding intervention strategies based on the prediction results. These intervention strategies include automatically injecting trace amounts of scale inhibitor or initiating pulse backflushing in high-risk situations; adjusting the cooling gradient in the freezing section to guide directional crystal growth in medium-risk situations; and optimizing the stirring frequency to disperse crystal particles in low-risk situations. This monitoring system can monitor changes in mine water quality, equipment operating status, and crystallized salt production in real time, dynamically adjust process parameters, ensure stable and efficient process operation, and improve resource recovery rate and automation level.
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