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Tailings Pond Monitoring and Early Warning Solution

Background Introduction

Tailings are the solid waste remaining after ore extraction in mining operations, and their treatment typically involves hydraulic beneficiation, tailings pond impoundment, and other processes. However, if not properly treated and managed, tailings can pose potential risks to the environment and human health. Common causes of tailings dam failures include inadequate design, improper construction and maintenance, extreme weather events, and natural disasters. When a tailings dam is damaged, breaches occur, or leaks develop, large volumes of tailings and process wastewater can be rapidly released, leading to severe pollution and ecological damage to surrounding soils, rivers, lakes, and even residential areas, while also posing immediate threats to public safety. To prevent and mitigate tailings dam accidents and to maximize environmental protection and public safety, safety monitoring of tailings dams has garnered widespread attention and is now widely implemented. By continuously monitoring key parameters such as dam structural stability, hydrological and water-quality conditions, deformation and displacement, and groundwater seepage, it is possible to detect anomalies early and promptly implement corrective and remedial measures. Analysis and interpretation of monitoring data enable engineers to assess the safety status of the tailings dam and to develop appropriate management and maintenance plans.

Solution Overview

When a tailings storage facility is damaged, breaches, or experiences a leak, it can result in the rapid release of large volumes of tailings and wastewater, causing severe pollution and environmental degradation to surrounding soils, rivers, lakes, and even residential areas, while also posing a direct threat to human safety. To prevent and mitigate tailings storage facility accidents and to maximize protection of the environment and public safety, safety monitoring of such facilities has garnered widespread attention and is now being systematically implemented. By continuously monitoring key indicators—including structural stability, hydrological and water-quality conditions, deformation and displacement, and groundwater seepage—early detection of anomalies becomes possible, enabling timely intervention and remediation measures. Analysis and interpretation of monitoring data further assist engineers in assessing the safety status of the tailings storage facility and in developing appropriate management and maintenance plans.

FEATURES OF THE SOLUTION

Stability Assessment

The geological setting, soil properties, and engineering structure of a tailings storage facility directly influence its stability. By monitoring key indicators such as surface displacement, seepage conditions, and slope stability, it is possible to assess the facility’s stability, identify potential risk factors, and implement appropriate measures to ensure safety.

Hydrological and Water Resources Management

Tailings storage facilities typically involve water allocation and treatment; monitoring water quality, water levels, flood risks, and the impact of rainfall in the surrounding area helps to manage hydrological resources, ensuring water balance and sustainable operation of the facility.

Emergency Response Capability

Emergency Response Capability: Safety monitoring of tailings storage facilities can enhance the ability to detect and respond rapidly to emergencies. By continuously monitoring various operational parameters in real time, abnormal conditions can be promptly identified and emergency measures can be implemented, thereby minimizing accident risks and improving disaster response.

Remote Monitoring and Data Analysis:

Safety monitoring of tailings storage facilities typically employs remote monitoring systems to collect and transmit real-time monitoring data. Through data analysis and processing, this information can reveal operational trends, abnormal changes, and potential risks, thereby providing decision-makers with a scientific basis and early warning alerts.

System Products

Mine Environmental Monitoring: Rain gauges, wind speed and direction sensors, air temperature and humidity meters, residual chlorine sensors, conductivity sensors, pH sensors, video monitoring systems, and more.

Mine Geological Safety Monitoring: Inclinometers, GNSS, crack meters, inclinometric cables, piezometers, pore-water pressure transducers, earth-pressure cells, mud-level gauges, and others.

Mining Area Safety Monitoring: Collapse monitoring system, methane sensor, carbon monoxide sensor, vibration sensor, etc.

Mine Slope Safety Monitoring Solution

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Mine Slope Safety Monitoring Solution

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Geodetic GNSS receiver

The geodetic GNSS receiver is a versatile deformation-monitoring device that integrates a high‑precision GNSS module with MEMS sensors. It supports multi‑system, multi‑frequency signal reception, including BeiDou‑3, GPS, and GLONASS, and delivers millimeter‑level static monitoring as well as centimeter‑level dynamic monitoring. Equipped with an advanced intelligent fusion algorithm, the device combines satellite positioning data with inertial sensor information to enable continuous, reliable displacement monitoring in complex environments. It is widely applicable to geological hazard and engineering safety monitoring scenarios, such as landslides, subsidence, and mining‑area deformations.

Radar water level gauge

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Integrated Soil Moisture Monitor

The integrated soil moisture monitor is a multi-layer soil moisture sensing device based on the frequency-domain reflectometry (FDR) principle, capable of simultaneously measuring volumetric water content at three distinct depths within the same soil profile. The device integrates high-sensitivity sensors, a low-power processor, and a wireless communication module, supporting remote configuration and real-time data transmission. It features robust temperature compensation and excellent soil adaptability, making it well-suited for long-term soil moisture monitoring in precision agriculture, landslide early warning, eco-hydrology, and other applications.

Rainfall monitor

The rainfall monitor is a fully automatic rainfall recording device featuring a dual‑bucket mechanical design, offering a resolution of 0.2 mm and a measurement accuracy of ±2%. It can operate reliably under extreme temperature and vibration conditions. The device integrates rainfall sensing, data storage, and wireless transmission capabilities, supporting real-time calculation of rainfall intensity and cumulative rainfall statistics. It is widely used in meteorology, hydrology, geological hazard monitoring, and urban flood‑control surveillance.

Integrated Tilt (Collapse) Monitor

The integrated tilt (collapse) monitoring device is an intelligent monitoring system that combines high-precision sensing, wireless transmission, and a high level of environmental protection. It employs triaxial MEMS tilt and vibration‑acceleration sensors to continuously acquire real-time data on structural tilt angles, acceleration, and ambient temperature and humidity, which are then transmitted to a cloud platform via 4G, LoRa, or other communication methods. This device is ideally suited for long-term safety monitoring of slopes, bridges, towers, and other structures. Featuring low power consumption, extended battery life, and strong anti‑interference capabilities, it provides reliable data to support structural health assessments and disaster early warning.

Integrated Crack Monitor

The Integrated Crack Monitor is an intelligent monitoring terminal that leverages cable‑pull displacement sensing and multi‑parameter fusion technology, specifically designed for monitoring surface deformations such as slope cracks and retaining wall fissures. The device incorporates a high‑precision displacement sensor and a triaxial accelerometer/tilt sensor, enabling real-time measurement of crack width changes, wall vibrations, and tilt angles. Data can be transmitted remotely and alarms triggered via LoRa or 4G networks. With a robust structure and straightforward installation, it is well suited for long‑term automated monitoring in harsh outdoor environments.

Debris Flow Line-Disconnection Monitor

The debris‑flow line‑break monitoring device is an intelligent monitoring and early‑warning system specifically designed for geological hazard prevention in mountainous valleys during the flood season. It focuses on real-time sensing and timely reporting of sudden geological hazards such as debris flows and flash floods caused by torrential runoff. The device integrates high‑precision cable‑strain sensors, data acquisition, and wireless transmission modules, featuring a highly compact, modular design that adapts to complex field conditions. Typically deployed at both ends of debris‑flow‑prone gullies, it employs a physics‑based triggering mechanism to accurately detect impact‑induced signals from debris flows and floodwaters carrying sediment and rocks. This enables second‑level hazard detection, instant data upload, and remote alarm notification, buying valuable time for preemptive evacuation and emergency response.

Array-type displacement sensor

The array-type displacement meter is a flexible, series‑connected three‑dimensional inclinometer array composed of multiple measurement units. It is ideally suited for monitoring three‑dimensional spatial deformations, such as deep‑buried displacements, tunnel convergence, and excavation pit deformation. The device employs high‑precision MEMS sensors and a flexible circuit design, enabling it to bend freely with structural deformation while providing real‑time outputs of displacement, tilt angle, and vibration data. It also features trigger‑based data acquisition and a low‑power sleep mode, making it well suited for long‑term, concealed‑installation monitoring and automated safety‑alert systems.

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Tailings Pond Monitoring and Early Warning Solution

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