Mine Ventilation Axial Fans: Technical Specifications and Applications
Engineered for the rigorous demands of underground environments, our heavy-duty axial fans provide critical ventilation for safety and operational efficiency. This document outlines the technical features, performance data, and compliance standards for our industrial-grade ventilation solutions.
Product Overview
Our mine ventilation axial fans are designed for continuous, high-volume airflow in challenging conditions, including deep mines, tunnel construction, and confined shafts. Each unit is built for durability, efficiency, and safety, with a focus on compliance with international standards. The fans are configurable for both intake and exhaust applications, offering versatile performance for dynamic project needs.
Technical Specifications
| Specification | Value / Range |
| Air Volume | 10,000 – 300,000 m³/h |
| Static Pressure | 300 – 2,000 Pa |
| Motor Power | 11 – 250 kW |
| Voltage Options | 380V / 660V / 1140V |
| Frequency | 50Hz / 60Hz |
| Noise Level | ≤ 75 dB(A) at 1 meter |
| Explosion-Proof Grade | Ex d IIB T4 (optional) |
| Bearing Life | ≥ 40,000 hours |
| Standards Compliance | GB/T 10595, ISO 5801, AMCA 210 |
Engineering Features
High-Efficiency Aerodynamics
Our fans feature precision-engineered aerofoil blades and a streamlined duct housing, optimized to deliver high airflow and static pressure with minimal power consumption. This design ensures effective air delivery through complex ventilation networks and long-distance tunnels.
Explosion-Proof Safety
For hazardous environments, our fans can be equipped with Ex d IIB T4-certified motors, meeting the requirements for Zone 1 and Zone 2 areas with flammable gases or dust. This certification ensures operational safety in high-risk underground settings.
Robust and Durable Construction
The fan housing is constructed from hot-dip galvanized or powder-coated carbon steel, providing superior resistance to corrosion, moisture, and mechanical stress. All components adhere to stringent international standards, including ISO 5801 and AMCA 210, for reliable long-term performance.
Bidirectional and Low-Noise Operation
The fans are capable of bidirectional airflow, allowing for easy switching between supply and exhaust modes. An optimized aerodynamic design and anti-vibration mounts limit noise emission to ≤75 dB(A), improving working conditions and complying with occupational health standards. Optional silencers are also available.
Application Environments
Underground Mining: Essential for coal, gold, copper, and iron ore extraction.
Tunneling: Ventilation for road, railway, and metro construction projects.
Subterranean Facilities: Airflow management for underground storage and laboratories.
Shaft Sinking: Temporary and permanent ventilation systems for vertical shafts.
Compliance and Certifications
Performance Testing: Fans are tested in accordance with ISO 5801:2017 for accurate performance data.
Explosion-Proofing: IECEx, ATEX, and GB3836 certifications are available upon request.
Dynamic Balance: Impellers are balanced to ISO 1940-1 standards (G6.3 or G2.5) to ensure smooth, quiet operation.
Customization and Support
We provide OEM/ODM services to tailor specifications to specific project needs, including:
Custom motor brands (ABB, Siemens, WEG)
Specialized coatings (e.g., epoxy, marine-grade)
Integrated Variable Frequency Drive (VFD) systems
Additional accessories like silencers and anti-vibration mounts
For detailed datasheets, performance curves, and project-specific consultation, please contact our technical team.
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