Treatment scheme for oil leakage at both ends of fan bearing box

To solve the leakage problem of fan bearing box, two aspects should be considered, that is, changing the lubrication mode of bearing and improving the structure of shaft seal.

1. Change the lubrication mode of bearings

The only way to change the lubrication mode of bearings is to change thin oil lubrication to grease lubrication;

2, improve the shaft seal structure

The main sealing mode is divided into static seal and dynamic seal two forms according to the relative movement of the seal and the seal. As a rotating machine, the seal of the bearing box of the fan belongs to the dynamic seal.

At present, there are two main types of dynamic sealing: 1) contact sealing 2) non-contact sealing