Maintenance measures for Roots fans
What are the measures in the process of maintaining Roots fans? About these measuresRoots FansI'll take you through it.
1. Rotor shaft keyway damage
Affected by the operating environment of the equipment and other factors, Roots fan often appear shaft head, keyway wear damage phenomenon, the problem appeared, according to the traditional method to patch welding or brush plating after machining repair. However, the thermal stress generated by the high temperature of the patch welding can not be eliminated, and is prone to bending or fracture; brush plating is limited by the thickness of the coating, and is easy to peel off.
2、Pump cavity anti-corrosion protection
The form of metal corrosion can be divided into two categories: comprehensive corrosion and localized corrosion. The former occurs more uniformly on the surface of the fan, the latter only occurs locally. For example, pore corrosion, crevice corrosion, intergranular corrosion, stress corrosion rupture, corrosion fatigue, hydrogen corrosion rupture, abrasion corrosion, delamination corrosion.
For the Roots fan corrosion problems, replacement of equipment components is a method usually used by enterprises, but the equipment by the material and processing technology and other aspects of the impact of the general value of high, such as glass-lined equipment, PTFE components, titanium and other high-value metal materials. The use of polymer composite materials to implement the surface of the organic coating anti-corrosion is one of the effective anti-corrosion measures.
