FBCD Series Explosion-Proof Extractive Counter-Rotating Local Ventilation Fan
FBCD Series Explosion-Proof Extractive Counter-Rotating Local Ventilation Fan is designed for underground coal mine heading ventilation, return air roadways and gas-bearing excavation environments. It works with negative pressure air ducts for extractive local ventilation and is suitable for air containing methane and explosive gases under approved operating conditions. The fan adopts two-stage counter-rotating impellers, YBF series flameproof motors, noise reduction structure and anti-spark material matching for safer underground operation.
Extractive Local Ventilation for Coal Mine Roadways
FBCD Series Explosion-Proof Extractive Local Ventilation Fan
FBCD Series Explosion-Proof Extractive Counter-Rotating Local Ventilation Fan is designed for underground coal mine roadways, heading faces and gas-bearing excavation environments where extractive ventilation is required.
The fan works with negative pressure air ducts and is suitable for return air roadway installation. It adopts two-stage counter-rotating impellers, YBF series flameproof motors, anti-spark material matching and noise reduction structure for safer underground operation.
Coal Mine Ventilation Focus
Ventilation Type
Extractive local ventilation
Fan Structure
Two-stage counter-rotating
Airflow Range
89–1880 m³/min
Static Pressure
256–9950 Pa
Built for Extractive Ventilation in Gas-Bearing Coal Mine Roadways
FBCD Series is different from ordinary press-in local ventilation fans. It is used for extractive ventilation and is normally installed in the return air roadway together with negative pressure air ducts. The fan is suitable for underground coal mine environments where methane and explosive gas conditions must be considered.
The fan can be used in large and small roadway excavation sections. The conveyed medium may contain methane and explosive gas under approved operating conditions, and the dust content in the medium should not exceed 200 mg/m³.
Recommended operating environment: gas temperature -20°C to +40°C, relative humidity not more than 95% at 25°C, and altitude not exceeding 1000 m. Final use must follow local coal mine safety rules and project approval requirements.
Why Two-Stage Counter-Rotating Design Is Used
STAGE 01
Primary Energy Input
The first impeller rotates in one direction and gives the air stream initial kinetic energy.
STAGE 02
Reverse Impeller Boost
The second impeller rotates in the opposite direction to increase air pressure and improve airflow output.
FLOW
Airflow Straightening
The second stage also helps reduce swirl, guide the air stream and improve pressure recovery.
NOISE
Lower Turbulence Noise
Reduced wake vortex and smoother airflow help improve the noise environment in confined underground spaces.
Safety-Oriented Structure for Underground Operation
Structure
Configuration
Purpose
Flameproof Motor
YBF / YBF2 series mine flameproof three-phase asynchronous motor
Designed for underground coal mine environments with explosion risk
Isolation Chamber
Explosion-proof flow isolation structure with motor cooling guidance
Separates the motor from gas-bearing air stream and improves heat dissipation
Anti-Spark Matching
H62 brass and Q235 carbon steel material pairing for impeller blade and protection ring
Reduces spark risk caused by friction or impact in explosive gas conditions
Noise Reduction
Outer composite silencing structure
Helps improve the noise environment in restricted underground roadways
Moisture Protection
Anti-corrosion and moisture-resistant treatment on blades and inner casing
Supports longer operation in humid underground environments
Performance Parameters
The following parameter table is arranged according to the provided FBCD series performance data. Final selection should consider roadway section, duct resistance, gas condition, installation method and power supply.
No.
Speed
r/min
Airflow
m³/min
Static Pressure
Pa
Motor Model
Power
kW
Voltage
V
Rated Current
A
No.4.0
2900
136–89
256–2050
YBF90L-2
2×2.2
380/660
4.85/2.79
No.4.0
2900
150–100
325–2500
YBF100L-2
2×3
380/660
6.4/3.7
No.4.0
2900
165–109
375–3040
YBF112M-2
2×4
380/660
8.1/4.7
No.5.0
2900
217–145
275–2060
YBF112M-2
2×4
380/660
8.1/4.7
No.5.0
2900
240–161
325–2540
YBF132S1-2
2×5.5
380/660/1140
11.1/6.4/3.7
No.5.6
2900
324–215
375–3690
YBF160M1-2
2×11
380/660/1140
21.6/12.6/7.2
No.6.3
2900
518–318
640–7310
YBF200L1-2
2×30
380/660/1140
56.9/32.9/18.5
No.8.0
2900
970–560
850–9950
YBF2-280S-2
2×75
380/660/1140
134/77/44.2
No.10.0
1450
1380–800
710–8520
YBF2-280M-4
2×90
380/660/1140
167/96/55.5
No.11.2
1450
1880–1090
850–9930
YBF2-315M-4
2×132
380/660/1140
240/139/80.5
Note: This table lists representative models for page display. More operating points are available from No.4.0 to No.11.2 according to airflow, static pressure, motor power and voltage requirements.
Manufacture Factory: Dongchen Industrial Park, Zhoucun District, Zibo, Shandong, China
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