FKZ / FKCDZ Series Non-Coal Mine Ventilation Fan
01 / Engineering Overview
Non-Coal Mine Fans Should Be Matched to the Ventilation Network
FKZ / FKCDZ series is intended for non-coal mine ventilation projects where fan performance has to match the complete underground ventilation system. Typical project directions include metal mines, non-ferrous mines, gold mines, chemical mines, building material mines and underground engineering.
The fan should not be selected only from casing diameter, motor power or appearance. Required airflow, roadway resistance, fan station arrangement, reverse-airflow planning and future operating changes all affect the final selection.
01 / AIRFLOW
Start from Ventilation Demand
Required airflow should come from the mine ventilation calculation for the actual operating stage.
02 / RESISTANCE
Match Roadway Resistance
Total pressure should be checked against roadway resistance and the actual mine ventilation network.
03 / LAYOUT
Review Fan Station Conditions
Surface or underground layout, connection direction, available space and maintenance access should be confirmed.
02 / Ventilation Network Matching
Why Mine Ventilation Network Data Matter
Many axial mine fans look similar externally. For a non-coal mine project, the important question is whether the selected fan can operate at the airflow and pressure required by the complete mine ventilation network.
01
Airflow Demand
Defines the ventilation quantity required for the mine or the specific production stage.
02
Roadway Resistance
Determines the pressure requirement that the fan must overcome at the intended airflow.
03
Fan Station Layout
Installation position, connection arrangement and available space affect the practical fan configuration.
04
Reverse Airflow
Reverse-airflow requirements should be identified during selection when the mine ventilation plan includes reverse operation.
The selected fan should match the ventilation-network operating point rather than simply provide the largest available airflow or motor power.
03 / Series Direction
FKZ or FKCDZ: Which Series Should Be Checked First?
FKZ SERIES
Standard Non-Coal Mine Axial Ventilation
FKZ is normally reviewed first when the mine ventilation network requires a standard axial-flow solution with a defined airflow requirement and a moderate pressure requirement.
Reference range
Airflow: 2.0–164.2 m³/s
Total pressure: 38–2409 Pa
Motor power: 1.1–250 kW
Airflow: 2.0–164.2 m³/s
Total pressure: 38–2409 Pa
Motor power: 1.1–250 kW
FKCDZ SERIES
Counter-Rotating Structure for Higher Pressure Demand
FKCDZ is normally considered when counter-rotating performance is required to provide stronger pressure capability for larger or more complex underground ventilation networks.
Selection focus
Higher network resistance
Main fan station duty
Reverse airflow planning
Long-term operating requirement
Higher network resistance
Main fan station duty
Reverse airflow planning
Long-term operating requirement
04 / Selection Path
Selection Path for Non-Coal Mine Ventilation Projects
The model should be narrowed down step by step from the mine ventilation conditions instead of starting from a preferred fan size.
01
Confirm Mine Type
Metal mine, non-ferrous mine, gold mine, chemical mine, building material mine or other underground project.
02
Confirm Airflow
Provide the required airflow from the mine ventilation calculation for the relevant operating stage.
03
Match Resistance
Check roadway resistance, branch losses and the required pressure margin.
04
Review Fan Station
Confirm surface or underground installation, inlet and outlet direction, available space and connection conditions.
05
Check Reverse Airflow
State whether reverse airflow is required and provide the expected reverse operating condition.
06
Select FKZ or FKCDZ
Compare the required operating point with standard axial FKZ or counter-rotating FKCDZ performance.
05 / Selection Factors
Ventilation Network Factors That Affect Model Choice
FACTOR
WHY IT MATTERS
INFORMATION TO PROVIDE
Airflow Demand
Defines the basic fan operating point.
Required m³/s or m³/h for each ventilation stage.
Total Pressure
Prevents under-selection where roadway resistance is high.
Calculated pressure or available resistance data.
Fan Station Layout
Affects connection, installation, airflow direction and maintenance.
Surface / underground layout, inlet and outlet direction, space limits.
Reverse Airflow
Important when reverse ventilation is part of the mine plan.
Whether reverse airflow is required and expected reverse condition.
Power Supply
Determines motor and electrical matching.
Voltage, frequency, control method and motor protection requirements.
06 / Reference Performance
FKZ / FKCDZ Reference Model Range
The following operating points are reference examples for preliminary comparison. Final fan selection should be based on the ventilation calculation and confirmed operating conditions.
SERIES
NO.
SPEED
AIRFLOW
PRESSURE
POWER
SELECTION NOTE
FKZ
8
1450 r/min
4.4–9.5 m³/s
108–497 Pa
5.5 kW
Small airflow section
FKZ
12
1450 r/min
14.7–32.1 m³/s
242–1118 Pa
37 kW
Medium mine ventilation
FKZ
14
1450 r/min
23.4–50.9 m³/s
329–1521 Pa
90 kW
Larger air volume
FKCDZ
15
980 r/min
18.2–43.6 m³/s
382–1690 Pa
2 × 37 kW
Counter-rotating entry range
FKCDZ
19
980 r/min
37.0–88.6 m³/s
614–2711 Pa
2 × 132 kW
Main fan station
FKCDZ
21
980 r/min
50.0–119.7 m³/s
750–3312 Pa
2 × 200 kW
High resistance network
Reference only: the listed models are examples for preliminary comparison. More operating points may be available according to calculated airflow, total pressure and the mine ventilation design.
07 / Performance Guide
How to Read the FKZ / FKCDZ Reference Data
The table is intended to show performance direction. A fan number or motor power should not be treated as a complete selection result.
01
Series
Shows whether the model belongs to the FKZ axial or FKCDZ counter-rotating series.
02
Fan Number
Indicates the model-size direction and should be evaluated together with airflow and pressure.
03
Airflow
Compare the listed airflow range with the calculated ventilation demand.
04
Pressure
Check whether the pressure range matches the calculated roadway resistance at the required airflow.
05
Speed
The listed rotational speed belongs to the reference configuration shown in the table.
06
Motor Power
Motor power follows the selected fan duty and should not be used as the primary selection criterion.
08 / Selection Input
What to Send for FKZ / FKCDZ Selection Review
Mine Type
Metal, gold, chemical, building-material or other non-coal mine project.
Required Airflow
Provide the calculated air volume for the required ventilation stage.
Total Pressure
Provide calculated total pressure or the available system resistance data.
Roadway Resistance
Provide the resistance curve or available roadway resistance information.
Fan Station Layout
Surface or underground arrangement, connection direction and space limitations.
Reverse Airflow
Confirm whether reverse operation is required and the expected reverse condition.
Power Supply
Voltage, frequency, control method and motor protection requirements.
Quantity
Required quantity and whether several fans will operate within one ventilation system.
09 / FAQ
FKZ / FKCDZ Non-Coal Mine Fan Questions
What is the difference between FKZ and FKCDZ?
FKZ is the standard axial-flow direction. FKCDZ uses a counter-rotating structure and is considered where the mine ventilation network requires stronger pressure capability.
Which series should be checked first?
FKZ can be checked first for standard axial ventilation with a moderate pressure requirement. FKCDZ should be reviewed when network resistance or pressure demand is higher.
Can the fan be selected only by mine type?
No. Mine type only defines the project context. The model still has to match required airflow, total pressure, roadway resistance and fan station conditions.
What if the total pressure is not yet available?
Provide the available roadway resistance or ventilation-network calculation data together with the required airflow for review.
Why does the fan station layout matter?
The installation position affects connection arrangement, airflow direction, available space and maintenance conditions, so it should be reviewed before final selection.
Should reverse airflow requirements be provided before quotation?
Yes. If reverse ventilation is part of the mine ventilation strategy, provide the requirement and expected reverse operating condition during selection.
Are the listed models the full product range?
No. The listed rows are reference examples for preliminary comparison. Final operating points should be confirmed from the calculated ventilation requirement.
Send Your Operating Conditions
Airflow, pressure, gas medium, temperature, voltage and quantity.