The Mining Main Ventilation Fan is designed for main ventilation systems in coal mines and underground mining operations. Featuring a two-stage counter-rotating axial impeller design, the fan provides high airflow and pressure performance for continuous mine ventilation and exhaust applications.
It can be configured with flameproof motors and customized according to mine ventilation resistance, required airflow, pressure, shaft dimensions, power supply, and operating conditions.
The FBCDZ series is suitable for mine main ventilation stations, return-air systems, underground mine exhaust systems, and other demanding mining ventilation applications.
The FBCDZ fan uses two axial impellers rotating in opposite directions.
The first impeller transfers energy to the airflow, while the second counter-rotating impeller further increases the airflow energy and pressure capability.
Typical airflow direction:
Underground Mine → Return Air System → FBCDZ Fan → Exhaust Outlet → Atmosphere
The counter-rotating configuration allows the fan to provide the pressure required by high-resistance mine ventilation networks.
The FBCDZ Series is commonly designed for:
Coal Mine Main Ventilation
Underground Mine Ventilation
Mine Exhaust Ventilation
Main Return-Air Systems
Deep Mine Ventilation
High-Resistance Mine Ventilation
Underground Metal Mine Ventilation
Main Mine Ventilation Stations
Mine Return Shafts
Centralized Underground Ventilation Systems
Continuous-Duty Mining Ventilation
The fan is particularly suitable for projects requiring high airflow, high pressure and continuous operation.
| Parameter | Typical Range / Configuration |
|---|---|
| Product Type | Flameproof Counter-Rotating Axial Main Ventilation Fan |
| Series | FBCDZ |
| Fan Structure | Two-Stage Counter-Rotating Axial |
| Airflow | 20,000–300,000 m³/h |
| Air Pressure | 1,000–8,000 Pa |
| Fan Diameter | 1,000–3,000 mm |
| Motor Power | 2 × 30–2 × 500 kW |
| Speed | 500–1,500 rpm |
| Drive | Direct Drive |
| Impeller | Two-Stage Counter-Rotating |
| Motor | Flameproof Motor |
| Casing | Carbon Steel / Customized |
| Blade Material | High-Strength Steel / Aluminum Alloy / Customized |
| Installation | Horizontal / Customized |
| Duty | Continuous Operation |
| Ventilation Mode | Exhaust / Main Ventilation |
| Application | Coal Mines / Underground Mines |
The above values are typical engineering reference ranges rather than fixed specifications for every FBCDZ model. Final airflow, pressure, fan diameter, motor power, speed and flameproof configuration should be selected according to the actual mine ventilation system and operating conditions.
The two impellers rotate in opposite directions to improve airflow energy transfer and pressure capability.
The fan can be equipped with a suitable flameproof motor and electrical configuration for underground mining environments. The applicable protection level and certification should be confirmed according to the project location and local mining regulations.
Designed for mine main ventilation systems where substantial airflow and system pressure are required.
Impeller blade configuration can be selected according to the required airflow and pressure duty point.
The casing, impellers, shafts, bearings and other major components can be engineered for long-term continuous operation.
Fan diameter, airflow, pressure, motor power, voltage, frequency, materials, blade configuration and installation arrangement can be customized for individual mining projects.
The FBCDZ main ventilation fan is generally installed at a dedicated surface mine ventilation station and connected to the mine return-air system.
Typical system:
Underground Workings → Return Airway → Main Ventilation Fan → Exhaust Duct / Outlet → Atmosphere
Before commissioning, the installation should be checked for:
Impeller rotation
Motor wiring
Bearing lubrication
Foundation stability
Airway connection
Electrical grounding
Flameproof equipment configuration
Mechanical fasteners
Vibration
Bearing temperature
Operating parameters such as airflow, pressure, motor current, vibration and bearing temperature should be monitored during commissioning and routine operation.
For accurate fan selection, customers should provide:
Required Airflow
Required Total Pressure
Mine Depth
Mine Ventilation Resistance
Main Shaft Dimensions
Return-Airway Conditions
Gas and Dust Conditions
Ambient Temperature
Motor Voltage
Frequency
Explosion Protection Requirements
Installation Altitude
Continuous Operating Requirements
EMS provides:
Main Mine Fan Selection
Airflow and Pressure Calculation Support
Fan Technical Data
Performance Curves
General Arrangement Drawings
Motor Configuration
Flameproof Configuration
Customized Fan Engineering
Export Packaging
Technical Documentation
Overseas Project Support