Underground Mine Ventilation
ZVVZ mine ventilators meet all the demanding requirements to ensure reliable ventilation of mines, including gaseous mines.
Axial constant-pressure fans
Only standard sizes: 710 to 4,500 mm in a series of selected R20 numbers. Transported air mass temperature of up to +250°C
Advantages
- traditional product
- low investment costs
- low maintenance costs
- simple aerodynamic regulation by swivelling the blades of the control device
- operation reliability
- non-explosiveness
Reversible axial overpressure fans
Standard sizes: 2,000 to 5,000 mm or according to the needs of a particular project. Standard temperature of transported air mass ranging between -40 and +70°C
Advantages
- extensive high-efficiency working area
- easy operation even at low power
- aerodynamic regulation by swivelling the rotor blades
- operation reliability
- rotor blade alternative materials
Important references
Darkov Mine, Karviná, Czech Republic
Axial Fans
ARA 3550
Input power 2800 kW
Rate speed 600 ot/min
Year of delivery 2002
Koh-i-noor Mine, Horní Jiřetín, Czech Republic
Axial Fans
APH 1120
Input power 12,5 kW
Rate speed 960 ot/min
Year of delivery 2015
Lazy Mine, Orlová, Czech Republic
Axial Fans
ARA 3550
Input power 2460 kW
Rate speed 600 ot/minn
Year of delivery 2003