Product description
Coal Mine Auxiliary Ventilation Fan
Flameproof Underground Coal Mine Local Ventilation Fan for Mining Faces and Tunnel Headings
Product Overview
The Coal Mine Auxiliary Ventilation Fan is a specialized flameproof ventilation fan designed for underground coal mine local ventilation systems.
It is mainly used to supply fresh air to mining faces, excavation headings, blind roadways, tunnels and underground working areas where the main ventilation system cannot provide sufficient airflow.
The fan delivers airflow through flexible ventilation ducts to:
Provide fresh air
Dilute methane and harmful gases
Remove dust and heat
Improve underground working conditions
Maintain safe mining operations
EMS provides customized flameproof coal mine auxiliary ventilation fans for underground coal mines, metal mines, tunneling projects and other hazardous underground environments.
FBD-type counter-rotating auxiliary fans are widely used in underground mining applications because they provide higher pressure capability and long-distance duct ventilation performance.
Recommended Product Names for Overseas Market
Main Product Name
Coal Mine Auxiliary Ventilation Fan
Alternative Names
Underground Coal Mine Ventilation Fan
Flameproof Coal Mine Fan
Explosion-Proof Mining Auxiliary Fan
FBD Coal Mine Fan
Underground Local Ventilation Fan
Mining Tunnel Ventilation Fan
Counter-Rotating Axial Mining Fan
Product Applications
Underground Coal Mine Working Face Ventilation
The fan is widely used for:
Coal mining faces
Roadway excavation
Development headings
Blind tunnels
Underground chambers
Longwall mining areas
Typical ventilation system:
Fresh Air
↓
Coal Mine Auxiliary Ventilation Fan
↓
Flexible Ventilation Duct
↓
Mining Face
↓
Return Air System
Main Features
1. Flameproof Explosion-Proof Structure
The fan is specially designed for underground coal mines where methane gas and combustible dust may exist.
Features:
Flameproof motor
Explosion-proof electrical components
Anti-static structure
Reliable grounding
Heavy-duty steel casing
Safe underground operation
Mine ventilation equipment must consider risks related to methane and potentially explosive atmospheres.
2. High Pressure Long-Distance Ventilation
Coal mine headings often require airflow through hundreds of meters of ventilation duct.
The fan is designed to overcome:
Flexible duct resistance
Leakage losses
Tunnel friction
Bends and restrictions
Long-distance ventilation resistance
Suitable for:
Deep mine headings
Long excavation tunnels
Underground development projects
3. FBD Counter-Rotating Design
FBD Flameproof Auxiliary Ventilation Fan
The FBD series is one of the most searched mining fan categories internationally.
Structure:
Two-stage impeller
Two explosion-proof motors
Opposite rotating impellers
Axial flow design
Advantages:
Higher pressure
Longer air delivery distance
Improved efficiency
Stable airflow performance
4. Low Noise Operation
Underground workers often operate close to ventilation equipment.
Optional noise reduction:
Silencer section
Sound absorbing lining
Optimized blade design
Vibration reduction structure
5. Continuous Operation Capability
Designed for mining environments:
Long running time
Heavy-duty bearings
Balanced impeller
Strong welded casing
Easy maintenance
Technical Specifications
Parameter Specification
Product Type Coal Mine Auxiliary Ventilation Fan
Fan Structure Axial Flow / Counter-Rotating Axial
Application Underground Coal Mine Local Ventilation
Airflow Capacity Customized
Pressure Range Customized
Motor Power Customized
Voltage 380V / 660V / 1140V Optional
Frequency 50Hz / 60Hz
Motor Type Flameproof Explosion-Proof Motor
Drive Type Direct Drive
Impeller Material Steel / Aluminum Alloy
Casing Material Welded Steel
Control Direct Start / VFD Optional
Installation Underground Mine / Tunnel
Typical FBD mining fan configurations include dual-motor counter-rotating designs with airflow and pressure ranges selected according to roadway resistance and ventilation distance.
email：sales@ems-fanstech.com
Phone / WhatsApp：+8613806436890