The FBDCDF series explosion-proof extraction type counter rotating axial flow auxiliary ventilation fan is an auxiliary ventilation equipment installed in the main roadway of coal mines to assist the ground main ventilation fan in air supply. It adopts an integrated design and development of mechanical, electrical, and control, and specially develops a fan specific motor, fan specific electrical control, and fan specific online detection system. It can be controlled remotely on the ground and achieve unmanned operation function underground. It has the characteristics of excellent aerodynamic performance, high efficiency, low vibration, low noise, large reverse air volume, wide efficient area, reliable operation, and convenient use and maintenance. This ventilation fan belongs to a new type of energy-saving product, filling the domestic gap, obtaining national patent invention, and leading in gas technology level and performance indicators in China.

Machine number: N16-NO26;
Flow range: Q=10-152m ³/s;
Full pressure range: Pst=200-4840pa;
Level: 6, 8, 10;
Rated voltage: 380v, 660v, 1140v; 6000v、10000v；
Rated frequency: 50Hz;
Explosion proof level: Ex d I;
Protection level: IP54;
Insulation level: F level;
Installation method: Horizontal installation in the main roadway of the coal mine underground.