General ventilation fans (generally small and medium-sized centrifugal and axial fans) are the most widely used. What are the differences between common centrifugal fans and axial fans?... View More>>

The difference between a domestic fan and an axial fan lies in the air pressure of the fan, and axial fans are generally used under conditions where the air pressure is below 490 Pa.... View More>>

Tunnel jet fans are commonly used fans in tunnels. It is a high-powered industrial ventilation fan. Its purpose is to make the air flow in the tunnel, expel the car exhaust and inflow fresh air, so that the car exhaust in the tunnel is diluted and the haz... View More>>

To further ensure the normal operation of the station platform fire mode, tunnel blockage and station public area fire mode, to achieve smoke extraction, fire prevention and ventilation functions, to ensure valuable evacuation time for passengers in emerg... View More>>

According to the Coal Mine Safety Regulations, at least two main fans of the same capacity must be installed in a coal mine. One of the two main fans is used and the other is used as a back-up fan. In addition to the main fan, there are also local and aux... View More>>

Before installing the tunnel fan, it is necessary to go through strict and precise measurement and design before formal installation, otherwise it is likely to be installed without considering other factors and conditions, especially when the ventilation ... View More>>

There are many different types of tunnel fans, so the fans are not all controlled in the same way, some only need to be switched on to run, but some need to be operated separately. And today Hanzi fan focus on the need to separate the operation of the fan... View More>>

The air volume of a tunnel fan reflects the ventilation and cooling capacity of the tunnel fan. We understand the relationship between tunnel fan rotation and air volume. ... View More>>

The fan blade is a part of the fan that cannot be missing, it has a certain similarity with the fan blade of the common electric fan in our life.... View More>>

For coal mine fan, blade and worm shell wear is not avoidable, but if the prevention of proper, can make these parts use of time to extend.... View More>>