Intelligent auxiliary control system and method for phosphorite flotation process based on LIBS (Laser-induced Breakdown Spectroscopy) online detection technology

The intelligent auxiliary control system for the phosphate rock flotation process based on LIBS online detection technology has achieved real-time online detection and closed-loop optimization control of multiple nodes and elements, solving the problems of detection lag and product quality fluctuation in the phosphate rock flotation production process, improving the timeliness and accuracy of production control, and reducing reagent consumption and operation and maintenance costs.

CN122151734APending Publication Date: 2026-06-05YUNNAN PHOSPHATE CHEM GROUP CORP
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Patent Information

Application Number
CN202610171345.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-06
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The existing phosphate rock flotation production process suffers from problems such as delayed detection, reliance on manual experience leading to large fluctuations in product quality, and limitations of existing online detection technologies, making it impossible to achieve real-time, multi-element, high-precision online detection and closed-loop control.

Method used

An intelligent auxiliary control system for the phosphate rock flotation process based on LIBS online detection technology is adopted, which includes a real-time sensing layer, a digital twin layer, and an intelligent decision-making layer. Through multi-element online laser spectral analysis, hybrid model prediction, and hierarchical decoupling control strategies, it realizes real-time detection and closed-loop optimization control of multiple nodes.

Benefits of technology

It enables real-time online detection of multiple elements, significantly improving the timeliness and accuracy of production control, reducing product quality fluctuations, reducing reagent consumption, improving product quality stability and resource utilization, and achieving unattended and transparent management.

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Abstract

The invention relates to the technical field of mineral processing, in particular to a phosphorite flotation process intelligent auxiliary control system and method based on the LIBS online detection technology, and the system comprises a real-time sensing layer, a digital twin layer, an intelligent decision-making layer and an automatic execution layer. Real-time online detection of multiple elements such as P2O5 and MgO in multiple nodes such as raw ore and concentrate is realized; a mechanism and data driving fusion model is adopted for the digital twinborn layer, and grade soft measurement and super real-time prediction are completed; the intelligent decision-making layer is combined with expert rules and optimization algorithms to generate operation variable optimization instructions such as the agent addition amount and the liquid level; and the automatic execution layer issues the instruction to a field execution mechanism to form closed-loop control. Digital and intelligent operation of the flotation process is achieved, the product quality stability is improved, reagent consumption and production cost are reduced, and the comprehensive utilization efficiency of resources is improved.
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