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Powering Ventilation, Driving Progress — Mining ventilation fans, mine fans & mining blowers for underground mines, tunnel ventilation, and industrial sites.

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+86 15863109911

No. 001, Industrial Park, Nanjiao Town, Zhoucun District, Zibo City, Shandong Province, P.R.China

Mon - Fri, 9am - 5pm

Coal Mine Explosion-Proof Main Fans

The explosion-proof main fan for coal mines features an explosion-proof casing and anti-static interior design, with China MA (Coal Mine Safety) certification documents provided for applicable models. Installed at a surface main fan station, it provides main exhaust ventilation for underground coal mines with methane and coal-dust hazards.

The unit is equipped with a high-efficiency axial-flow impeller and optimized flow channels, providing continuous high-volume airflow at the pressure required by the mine ventilation system to support stable main ventilation airflow and effective exhaust of mine gases. The impeller undergoes dynamic balancing to reduce vibration and noise; the housing is constructed from carbon steel or stainless steel as specified, with anti-corrosion coatings for wear and corrosion resistance.

We offer the single-motor FBCZ series and the dual-motor, counter-rotating FBCDZ series, with project-specific options for airflow, pressure, housing materials, installation arrangements and explosion-proof configurations within the approved scope of the selected model. On-site surveys, system design, installation, commissioning and long-term maintenance support can be agreed for the project. The table below compares the configurations and performance ranges of the two series.

FBCZ and FBCDZ Comparison

Parameter FBCZ FBCDZ
Fan arrangement Single-motor axial-flow Dual-motor, two-stage counter-rotating
Airflow (m³/s) 2.0–164.2 5.5–440.0
Total pressure (Pa) 38–2,409 306–6,921
Motor power (kW) 1.1–250 2 × 18.5–2 × 1000
Typical coal-mine duty Main exhaust at comparatively lower system resistance Higher-pressure main exhaust in higher-resistance networks

These are series ranges, not the performance of a single fan. Maximum airflow and maximum pressure are not one operating point; the proposed fan curve must match the required duty. FBCDZ power is shown as two motors × the power of each motor.

Explosion-Proof Construction and Factory Testing

FBCZ and FBCDZ main fans combine spark-resistant lining in the impeller working area with a flameproof motor housed in a separate chamber. Riveted copper plate or another lining material specified for the model helps reduce the risk of friction sparks from accidental contact.

Factory checks cover assembly and running condition, while performance testing measures airflow and pressure. The reports identify the tested fan and motor configuration, record the operating conditions and state whether pressure values are static or total. View our manufacturing and testing process.

Certifications, Patents & Compliance

Selected certificates include CE, ISO 9001, ISO 14001 and ISO 45001. Additional documents such as MA/KA mining product certificates, patent certificates, inspection reports and technical files can be provided upon request for project review and supplier evaluation.

Frequently Asked Questions

They are primarily used at surface main exhaust stations connected to the coal mine’s return-air system. They serve the mine’s main ventilation network rather than ducted ventilation at an individual heading. The installation arrangement must match the selected model and the mine’s approved ventilation design.
FBCDZ can convey mine air containing explosive gases within its approved operating conditions. Its published dust limit is 200 mg/m³. The permitted medium must be checked against the technical documents for the exact configuration; do not automatically apply the FBCDZ limit to an FBCZ fan.
Suitable configurations can provide reverse ventilation. Include the required reverse airflow in the enquiry so it can be reviewed with the fan and control arrangement. Reverse-duty performance must be confirmed for the selected configuration rather than inferred from the normal-operation fan curve.
Review the applicable MA certificate and explosion-protection documents for the proposed fan and motor configuration. Check the model coverage, certificate holder and validity against the quotation. The company’s management-system certificates and CE documentation are separate from this model-specific coal-mine review.
The document set can include impeller-balancing, running, electrical and airflow-and-pressure test records, according to the fan-series requirements and agreed supply scope. Records identify the fan and its configuration; performance reports also state the test conditions and whether pressure is measured on a static or total-pressure basis.
Yes. Your engineer or an appointed third party can witness the agreed factory acceptance tests. Test items, operating points and acceptance criteria should be agreed in advance. Required series inspections are carried out regardless of witness attendance; factory acceptance testing does not replace commissioning after installation at the mine.
Our coal-mine explosion-proof main fans combine spark-resistant lining in the impeller working area with a flameproof motor housed in a dedicated enclosed compartment. The working-area lining uses riveted copper plate or another spark-resistant material specified for the model. The lining and motor protection arrangement are part of the fan construction, not merely a change of motor.
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