Mining Leaching Fluid Control With Flow Sensing And Automated Flushing
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Solution Overview
Problem
Existing leaching fluid control systems in open-pit mines face challenges in efficiently managing fluid pressure and flow rates, particularly in varying terrain conditions, leading to issues such as clogging, leaks, and uneven mineral extraction efficiency.
Innovation Solution
A leaching fluid control system with integrated flow and flush control mechanisms, including sensors, controllable valves, and communication circuits, to monitor and adjust fluid flow rates and perform automated flushing, ensuring consistent delivery and minimizing system malfunctions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional leaching fluid control systems are used without integrated flow and flush control mechanisms, then the system structure is simpler, but fluid pressure and flow rates cannot be efficiently managed leading to clogging, leaks, and uneven mineral extraction
Solution Approach 1:
The patent combines flow control and flush control mechanisms into a single integrated system. The flow control valve and flush control valve are part of the same control assembly with shared circuitry and housing, merging multiple functions into one unified device that manages both fluid distribution and system flushing operations
Solution Approach 2:
The control system performs multiple functions through a single integrated assembly: it controls fluid flow rates to leaching lines, monitors system pressure, detects clogs and leaks, and executes automated flushing operations. This multi-functional approach improves reliability without proportionally increasing complexity
2Productivity
If manual monitoring and adjustment of fluid flow rates is used, then the device complexity is lower, but mineral extraction efficiency is reduced due to uneven fluid distribution across varying terrain
Solution Approach 1:
The system incorporates pressure sensors that continuously monitor fluid pressure in the leaching lines and provide feedback to the controller. The controller adjusts the flow control valve based on this feedback to maintain optimal flow rates and pressure levels, ensuring efficient mineral extraction across varying terrain conditions
Solution Approach 2:
The flow control valve is dynamically adjustable based on real-time pressure readings and terrain variations. The system adapts flow rates automatically to match changing conditions in the leaching pad, optimizing extraction efficiency without requiring manual intervention
3Reliability
If automated flushing mechanism is added to detect and mitigate clogs and leaks, then system reliability is improved, but device complexity increases
Solution Approach 1:
The system performs preliminary flushing actions before clogs or leaks develop into serious problems. The controller monitors pressure differentials and flow rates to detect early signs of blockages or leaks, then automatically initiates flushing sequences to prevent equipment damage and maintain system reliability
Solution Approach 2:
The control system automatically detects and responds to system anomalies without requiring manual intervention. The microcontroller monitors sensor data, identifies clogs or leaks through pressure and flow analysis, and executes flushing operations autonomously, making the system self-diagnosing and self-correcting
Data Source
AI summary
The present disclosure provides a leaching fluid control system for mining operations that includes controllable valve circuitry in fluid communication with a leaching fluid source, the controllable valve circuitry to provide a controlled flow rate of the leaching fluid; flow rate sensor circuitry in fluid communication with the controllable valve circuitry and with one or more leaching fluid lines to generate a flow rate signal indicative of the leaching fluid flow rate through the controllable valve circuitry; and controller circuitry to control the controllable valve circuitry to deliver a flow rate of leaching fluid based on the flow rate signal and one or more flow rate thresholds.