In the kilometer-deep mine shafts, on the giant equipment in open-pit mines, and in the continuous production lines of mineral processing plants, every link in the mining process is fraught with extreme challenges - high dust, high humidity, strong vibration, corrosive environments, and most importantly, safety requirements. Traditional mining electrical equipment has a high failure rate under these harsh conditions, not only affecting production efficiency but also potentially causing serious safety accidents. Especially in today's era when the mining industry is transforming towards intelligence and unmanned operation, the reliability of the control system is directly related to the production safety and economic benefits of the mine.
Gordon Electric, in response to the unique working conditions of the mining industry, has spent five years on dedicated research and development to create a full range of solid-state relay solutions for mining applications. These solutions cover every production stage from excavation and transportation to hoisting and mineral processing, providing robust and reliable control guarantees for modern mines.
Underground Mines: Reliable Mining in Extreme Environments
The environment of underground mines poses the most stringent requirements for electrical equipment:
Control of mining and excavation equipment:
Excavator control: Adaptive control of the cutting head power, with a 25% increase in cutting efficiency.
Hydraulic support control: Electro-hydraulic proportional control, support response time < 200ms
Coal mining machine control: Memory cutting control, repeated cutting accuracy ±50mm
Continuous miner control: Coordinated control of continuous miner's walking and cutting
Transportation system control:
Belt conveyor: Multi-point drive power balance control, imbalance degree < 5%
Mine car transportation: Variable frequency control of electric locomotives, anti-skid control on slopes
Trackless transportation: Explosion-proof control for trackless rubber-wheeled vehicles, with a climbing ability of over 15°.
Personnel transportation: Interlocking control of personnel and vehicle safety, overspeed protection
Ventilation and Safety Control:
Main ventilation fan control: Variable frequency speed control, air volume regulation accuracy ±3%
Local ventilation: Automatic adjustment of air volume in air ducts, optimization of gas dilution efficiency
Gas monitoring: Multi-point gas monitoring and ventilation interlock control
Personnel positioning: Precise positioning and safety monitoring of underground personnel
Drainage system control:
Multi-level drainage: Intelligent dispatching of multi-level drainage systems
Water level monitoring: Real-time water level monitoring and pump station linkage
Waterproof Gate: Remote Control and Status Monitoring of Waterproof Gates
Emergency drainage: Control of emergency drainage system for sudden water gushing
In a certain intelligent coal mine of Shendong Coal Group, the GaoDeng control system has enabled unmanned operation in the coal mining face, increasing production efficiency by 30%, reducing power consumption per ton of coal by 18%, and lowering the accident rate by 90%.
Open-pit Mines: Precise Control of Large-scale Equipment
The giant equipment in open-pit mines has special requirements for control accuracy and reliability:
Control of electric shovels and hydraulic shovels:
Bulldozer control: Electric shovel boom movement trajectory control, improving excavation efficiency
Rotary control: Precise control of the rotary platform, with positioning accuracy of ±0.5°.
Walking control: Step-by-step walking control, maintaining straightness during walking.
Anti-collision control: Multi-device collaborative operation anti-collision protection
Mine truck control:
Electric wheel control: AC variable frequency drive control, climbing ability > 10%
Brake control: Coordinated control of electric braking and mechanical braking
Vehicle networking control: Remote monitoring and dispatch optimization of vehicles
Autonomous driving: Unmanned mining truck control, positioning accuracy ± 30 cm
Drilling rig control:
Perforation control: Optimized control of drilling pressure, rotational speed and torque
Automatic drill pipe changing: Automatic control of drill pipe replacement, with pipe changing time less than 3 minutes.
Hole depth measurement: Precise measurement and recording of the depth of the borehole
Positioning System: Automatic Positioning of Drilling Rigs and Hole Location Planning
Dump control:
Control of the dump truck: Control of the slewing and luffing of the boom belt conveyor
Compaction control: Intelligent compaction control of rolling equipment
Slope Monitoring: Real-time Monitoring and Early Warning of Slope Stability
Reclamation control: Automated control of land reclamation equipment
In a large open-pit mine of Ansteel Mining, the Godel control system has enabled continuous operation of electric shovels, trucks and crushers, increasing transportation efficiency by 25%, reducing diesel consumption by 15% and raising equipment utilization to 85%.
Mineral Processing: Precise Control of Continuous Production
The continuous production process in a concentrator demands extremely high control stability:
Crushing system control:
Jaw crusher: Adaptive control of feeding speed, blockage prevention
Cone crusher: Feeding control with full cone, optimized crushing efficiency
High-pressure roller mill: Roller pressure control, improved product particle size distribution
Screening control: Precise control of the amplitude and frequency of the vibrating screen.
Grinding and classification control:
Ball mill control: Optimization control of ore feed rate, water feed rate and steel ball addition
Grading control: Cyclone pressure and concentration control, improving grading efficiency
Pumping control: Variable frequency control of slurry pump, reducing wear by 30%
Concentration control: Online detection and automatic adjustment of pulp concentration
Selection process control:
Flotation control: Multi-parameter optimization of aeration volume, reagent addition and liquid level
Magnetic separation control: Precise control of magnetic field intensity and rotational speed.
Re-election control: intelligent adjustment of bed thickness, water volume and stroke
Dehydration control: Coordinated control of filter, filter press and thickener
Concentrate processing control:
Drying control: Rotary kiln drying temperature control, moisture control accuracy ±0.5%
Packaging control: Automatic packaging and palletizing control
Sampling control: Automatic sampling and sample preparation system control
Quality Inspection: Online Composition Analysis and Quality Monitoring
After the adoption of the Godel control system in a certain concentrator of Jiangxi Copper, the recovery rate of mineral processing increased by 2.3 percentage points, energy consumption decreased by 18%, reagent consumption reduced by 12%, and the annual economic benefit exceeded 50 million yuan.
Mine hoisting: Safeguarding the lifeline
The mine hoisting system is the vital artery of a mine and has the highest safety requirements:
Hoist control:
Speed control: S-shaped speed curve control for smooth acceleration and deceleration.
Position control: Precise detection of the wellbore position, parking accuracy ±10mm
Load detection: Real-time load monitoring and overload protection
Overwind protection: Multiple overwind protection measures to ensure absolute safety.
Brake system control:
Working brake: Adjustable brake control, smooth braking.
Safe braking: constant deceleration braking control, with a constant deceleration rate.
Secondary braking: secondary braking control in emergency situations
Brake monitoring: Real-time monitoring of the brake system status
Signals and Monitoring:
Multi-level hoisting signal interlock control: enhanced signal
Video Surveillance: Video Monitoring and Intelligent Analysis at Key Locations
Fault Diagnosis: Enhancing Intelligent Fault Diagnosis of the System
Remote Monitoring: Enhancing Remote Monitoring and Operation of Systems
Safety protection system:
Over-speed protection: Multiple over-speed detection and protection
Loose rope protection: Steel wire rope slack detection and protection
Reverse protection: Protection against incorrect running direction
Backup protection: A backup protection system independent of the PLC.
In a deep shaft mine of Shandong Gold, the Gondel hoisting control system has achieved safe hoisting at a depth of 1,000 meters, with a 20% increase in hoisting efficiency and a 15% reduction in energy consumption. It has been operating safely for over 10,000 hours continuously.
Special environmental adaptability technology for mining
The requirements for the adaptability of electrical equipment to the mining environment are extremely special:
Explosion-proof safety design:
Explosion-proof design: Ex d I Mb explosion-proof grade, suitable for coal mine environment.
Intrinsically safe design: Ex ia I Ma intrinsically safe level, suitable for gas environments.
Dust explosion-proof: Ex tD A21 IP65 dust-proof and explosion-proof
Multi-certificate integration: simultaneously holding the coal safety certificate, the mine safety certificate, and the explosion-proof certificate.
Enhanced protection level:
Waterproof and dustproof: IP68 protection level, resistant to high-pressure water jets.
Anti-corrosion design: Special protection against acid, alkali and salt spray.
Vibration resistance: Vibration resistance level 5-15 Grms, suitable for equipment vibration.
Impact resistance: Resistant to mechanical shock, suitable for impacts such as falling rocks.
Wide temperature operating capability:
Low-temperature start-up: Reliable start-up at -40℃
High-temperature operation: Continuous operation at +85℃ high temperature
Temperature shock: Withstand drastic temperature changes
Humidity adaptation: Normal operation in a high-humidity environment of 95% RH.
Reliability Enhancement Design:
Redundant design: Redundant design for critical parts to enhance reliability.
Self-diagnosis function: Comprehensive self-diagnosis and fault early warning
Remote maintenance: Supports remote diagnosis and maintenance.
Long-life design: With a design life of over 10 years, it reduces the frequency of replacement.
Intelligent Mine Construction
The intelligentization of mines is a major trend in the industry's development:
Unmanned mining:
Remote control: Remote control and monitoring of mining equipment
Automatic navigation: Device automatic navigation and path planning
Collaborative operation: Multi-device collaborative operation control
Intelligent Decision-making: Optimization of Mining Plans Based on Data
Digital Mine Platform:
Three-dimensional geological modeling: Three-dimensional model of ore deposit and reserve calculation
Production planning optimization: Model-based production planning optimization
Equipment health management: Monitoring of the health status of key equipment
Safety early warning system: Safety early warning based on multi-source data
Energy Management System:
Energy consumption monitoring: Monitoring energy consumption by individual equipment and by different energy-consuming systems.
Energy-saving optimization: Energy dispatch optimization based on load
Integration of new energy: Utilization of new energy sources such as photovoltaic and wind power.
Carbon Emission Management: Monitoring and Management of Carbon Emissions from Mines
Environmental Protection and Reclamation:
Environmental monitoring: Online monitoring of wastewater, waste gas and noise
Automatic control of mine wastewater treatment
Ecological restoration: Monitoring of the ecological restoration process in mining areas
Reclamation Monitoring: Monitoring and Evaluation of Land Reclamation Effects
Economic benefits and safety value
Gordon Mine Solutions create multiple values:
Improvement in production efficiency:
Improved mining efficiency: The efficiency of mechanical mining has increased by 20-40%.
Equipment utilization rate: The utilization rate of key equipment reaches over 85%.
Resource recovery rate: Increase the mineral recovery rate by 2 to 5 percentage points.
Continuous operation capability: Achieving continuous and automated operations.
Enhanced safety level:
事故率降低：重大安全事故率降低80-90%
Improvement in occupational health: Reduction of occupational hazards such as dust and noise
Emergency response capability: Emergency response time reduced by 50%
Safety monitoring coverage: 100% safety monitoring coverage rate
Cost savings are obvious:
Energy consumption reduction: Comprehensive energy consumption reduced by 15-25%
Material consumption: Reduction of 20-30% in spare parts and materials consumption.
Labor cost: Reduce personnel in high-risk positions by 50-70%
Maintenance cost: Predictive maintenance reduces maintenance costs by 30%
Investment return analysis:
New mining project: Payback period of 3 to 4 years, internal rate of return of 25% to 35%
Renovation project: Payback period of 2 to 3 years, internal rate of return of 30% to 45%
Safety upgrade project: Payback period of 1-2 years, internal rate of return of 40-60%
Intelligentization project: Payback period 3-5 years, internal rate of return 20-30%
Future Trends and Technological Development
Mining technology is advancing to a higher level:
Deep-sea mining technology:
Submarine mining vehicle control: Control of deep-sea mining vehicle movement and operation
Mineral conveying control: Hydraulic lift system control
Surface support control: Surface support vessel equipment control
Environmental Monitoring: Environmental Monitoring and Control for Deep-sea Mining
Space Mining Exploration:
Lunar mining control: Control of lunar resource extraction equipment
Asteroid Mining: Control of Asteroid Mining Robots
Space smelting: Control of the smelting process in a space environment
Resource Return: Control of Space Resources Returning to Earth
Biological mining technology:
Biological leaching control: Microbial leaching process control
Bioremediation: Control of Bioremediation in Mine Areas' Environment
Application of Genetic Engineering: The Application of Engineered Bacteria in Mining
Ecological mining: Coordinated control of mining and ecological protection
Circular economy mine:
Comprehensive Utilization of Tailings: Control of Tailings Resource Utilization
Wastewater recycling: Zero discharge control of mine wastewater
Optimization of Energy Cascade Utilization in Mines
Control of the transformation and utilization of closed mines
Under the national strategy for mineral resource security and the requirements for green mine construction, Godel Electric will continue to focus on the field of mine automation. With reliable control technology in extreme environments, it supports the mining industry to develop in a safe, efficient, green and intelligent direction. From deep underground to open-pit mines, from the mining face to the beneficiation plant, Godel control systems are safeguarding every production link of modern mines.
Choosing Gorden's mining solutions means making a solemn commitment to mine safety. Let's join hands and use innovative control technologies to jointly promote the transformation and upgrading of the mining industry, and contribute technical strength to ensuring the safety of national mineral resources and building green and intelligent mines.
