Tunnel fans are also called tunnel jet fans , tunnel fans, and jet fans . They are widely used in specific applications of tunnels such as water conservancy projects, roads, railway lines, and subway stations. Today, I will follow the net editor to see what are the common faults of tunnel fans.
In coal companies, the fan work often carries a certain amount of particles with different sizes and different appearances, such as induced draft fans of dust removal equipment and blowers of pneumatic conveying systems. Because this type of fan works in a soot cyclone, the soot particles in the cyclone not only cause wear to the fan, but also adhere to the dust on the fan blades, and this wear and dust are all uneven. It is necessary to make the balance of the fan motor rotor damaged, causing fan vibration and reducing the life of the fan. In severe cases, the fan can not be used in normal work. The exception is that the wear of the blades of the fan is more serious. It not only damages the characteristics of the things inside the fan, but also randomly triggers heavy blades and other heavy work.
The wear of the drive system parts is a common deficiency of fans. In it, various mechanical parts, rollers, reducers, motors, pumps and other rolling bearing positions, seat bearings, grooves and ribs are traditionally repaired. Machining and editing of machine production can easily lead to material damage, causing deformation or cracking of components, and there are great limitations; brushing and painting and re-machining of machining and editing must often be outsourced. Not only the repair period is long, the toughness is high, and The raw material is still a metal composite material, and it is impossible to fundamentally deal with the notice that causes wear and tear (the impact resistance of metal materials is weak and the compromise is weak); there are many components that only have to be selected for replacement, which greatly increases manufacturing costs and inventory Accessories, which make the company's wonderful cost advantage suffer from idleness and luxury.