FKCDZ Series High-Pressure Counter-Rotating Mine Ventilation Fan for Underground Tunnels

The FKCDZ Series Mine Ventilation Fan is a counter-rotating axial flow ventilation system designed for underground mining, tunnels, and industrial ventilation. With high-pressure airflow control, this explosion-proof mine fan efficiently removes dust, extracts methane, and optimizes air circulation in coal mines, hard rock mines, and subsurface projects. Featuring low noise, stable operation, and adjustable blade angles, it is ideal for booster ventilation, auxiliary ventilation, and emergency airflow systems. Its dual-stage counter-rotating impellers provide high efficiency and superior ventilation performance, ensuring reliable airflow in complex mining environments.

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Explosion proof
Compact
Built-in muffler
unique tracking order for each fan.
three layer anti-corrossion painting.
largest diameter 5meters!
Each hub is annealed to remove internal stress.Durable enough.
Orthogonal 3D Twisted Blade Technology of Bend and Sweep Combination,Simulated Dune Principle.
In line with international standards, 1000: 1.5~2.5, to ensure that the impeller works more safely and efficiently.

FKCDZ Series High-Pressure Counter-Rotating Mine Ventilation Fan for Underground Tunnels

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The FKCDZ Series Counter-Rotating Mine Ventilation Fan is a high-performance ventilation solution engineered for underground mining, tunnel excavation, and airflow management. This dual-stage axial flow system is widely used in coal mines, hard rock mines, and industrial excavation projects, ensuring stable air circulation and efficient ventilation to maintain optimal underground conditions.

Key Features of FKCDZ Series Mine Ventilation Fan

1. Dual-stage counter-rotating impellers improve aerodynamic efficiency and airflow stability.
2. Explosion-proof design with shock-resistant construction, suitable for both surface and underground installations.
3. Equipped with an anti-surge device, ensuring a smooth characteristic curve with no risk of airflow surging.
4. Direct-drive motor-to-impeller connection for enhanced stability, easy maintenance, and efficient energy use.
5. Adjustable blade angles allow customized airflow settings, adapting to various ventilation requirements (Patent No.: ZL200920028672.8).
6. Rapid airflow reversal capability, achieving over 60% wind reversal efficiency without requiring a separate reverse air duct.
7. Low-noise operation, with an optional impedance muffler available for additional noise reduction.

Installation and Operating Conditions

Versatile installation options: Can be mounted on tunnel walls or placed on the tunnel floor.
Recommended operating temperature range: -20°C to 40°C, suitable for altitudes up to 1000m.
Maximum allowable airborne dust concentration: 200mg/m³.
Multiple speed configurations supported, utilizing 4, 6, 8, 10, and 12 pole motors for variable airflow adjustments.
Power supply specifications: 50Hz frequency, with voltage options 380V/660V or 660V/1140V.

The FKZ Series Mine Ventilation Fan is a high-efficiency, explosion-proof airflow solution designed for underground mining ventilation, tunnel air management, and industrial ventilation systems, offering maximum durability, superior performance, and enhanced safety in demanding mining environments.

Series	No.	Power (kW)	Air Flow (m³/s)	Pressure (Pa)
K40-4-No (n=1450r/min) (Hub Ratiov=0.40) (BladeZ=8)	8	5.5	4.4~9.5	108~497
	9	11	6.2~13.5	136~629
	10	15	8.5~18.6	168~776
	11	30	11.3~24.7	203~939
	12	37	14.7~32.1	242~1118
	13	55	18.7~40.8	284~1312
	14	90	23.4~50.9	329~1521
	15	110	28.7~62.6	378~1746
K45-4-No (n=1450r/min) (Hub Ratiov=0.45) (BladeZ=8)	8	7.5	6.6~12.5	357~685
	9	15	9.5~17.8	452~867
	10	30	13.0~24.0	558~1071
	11	45	17.3~32.6	675~1295
	12	75	22.5~42.3	804~1542
	13	90	28.6~53.8	94.3~1810
	14	132	35.7~67.2	1094~2099
	15	200	43.9~82.6	1256~2409
K40-6-No (n=980r/min) (Hub Ratiov=0.40) (Blade Z=8)	7	1.1	2.0~4.3	38~174
	8	2.2	3.0~6.4	49~227
	9	3	4.2~9.1	62~287
	10	5.5	5.8~12.5	77~355
	11	7.5	7.7~16.7	93~429
	12	15	9.9~21.7	111~510
	13	18.5	12.6~27.5	130~599
	14	30	15.8~34.4	150~695
	15	37	19.4~42.3	173~798
	16	55	23.6~51.4	197~908
	17	75	28.3~61.6	222~908
	18	90	33.6~73.1	249~1149
	19	110	39.5~86.0	277~1280
	20	160	46.0~100.3	307~1418
	21	200	53.3~116.1	339~1563
	22	250	61.3~113.4	372~1716

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Mine Fan Advantages	3d Video Display	Underground Mine Fan

Fan Control System	Underground Mine Ventilation	Accessories-Duct

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