FBC Series Flameproof Auxiliary Fan

I. Product Overview
The FBC series flameproof exhaust Auxiliary ventilation fan is a compact, steel-welded, and silenced unit designed for underground coal mines with methane explosion hazards. Equipped with a flameproof motor, it provides efficient exhaust ventilation for mining faces and return airways, significantly improving air quality and safety underground.

II. Features

• Explosion-proof: Certified ExdI design with all electrical components flameproof, ensuring reliable operation in methane environments.

• High Efficiency & Low Noise: Built-in silencing, advanced aerodynamics, and long air delivery with strong reverse airflow performance.

• Robust Structure: Steel-welded casing, compact and durable, with mounting feet and suspension holes for flexible installation.

• Motor Cooling & Sealing: Motor enclosed and cooled by air from outside the mine, extending service life.

• Easy Maintenance: Flanged connections for easy assembly/disassembly, convenient access for inspection, lubrication, and servicing of explosion-proof surfaces.

III. Application & Conditions
Ideal for exhaust ventilation in underground coal mine return or driving roadways with methane risk, used with negative-pressure ducting.

• Altitude ≤ 1000m

• Ambient temp: –15°C ~ +40°C

• RH ≤ 90% (25°C)

• Dust ≤ 10 mg/m³, non-corrosive, no severe vibration

• Voltage: 380/660V or 660/1140V, 50Hz

IV. Standards
Complies with MT222-2007 and Q/ZFJ007-2009 for flameproof local mine fans.

V. Structure

• Inlet collector: Perforated plate design for smooth airflow and debris protection

• Fan body: Steel welded with silencing liner

• Motor: YBF flameproof three-phase motor, directly coupled, efficiently cooled

• Flange connections: For easy assembly and maintenance

• Grounding: Ensures electrical safety

• Flexible installation: Whole unit or sectional transport, surface or suspended mounting

VI. Use & Maintenance
Quick to start, easy to operate, must be managed by trained personnel. Regularly check connections, lubrication, and cleanliness. Protect and maintain the explosion-proof surfaces according to safety requirements. Use inlet guards to prevent foreign objects and store in a dry, ventilated place when not in use.

VII. Service Life
Designed for ≥5 years, with safe operation up to 13,000 hours before first overhaul.