Acoustic Enclosure of Diesel Generator in Underground and Mining Applications

Noise Performance

• Max noise level: ≤ 85 dB(A) @ 1m

• Enclosure insertion loss: ≥ 30 dB(A)

• Exhaust silencer attenuation: 35–42 dB(A)

Construction

• Heavy-duty steel structure, corrosion-resistant coating

• Modular walk-in design with access doors, EPDM sealed

Acoustic Insulation

• 100mm Grade A1 (EN 13501) fireproof rock wool

• Perforated metal inner lining (40–60% open area)

Vibration Isolation

• Anti-vibration mounts with ≥ 95% isolation efficiency

• Flexible connectors on exhaust piping

Exhaust System

• High-grade silencer, insulated surface temp

• Weatherproof rain cap, condensate drain

Ventilation & Cooling

• Forced ventilation with intake/exhaust acoustic attenuators

• Designed for confined space operation

Safety Features

• Asbestos-free materials

• Emergency shutdown, fire detection optional

Environmental Durability

• Dust-resistant, moisture-proof, suitable for underground and mining conditions

• Ambient temp range: –10°C to +80°C

Compliance

• ISO 3746 / MSHA / relevant mining safety standards