Since the operation of the low-pressure expander, the temperature of the high-speed shaft bearing runs at about 79℃. After 2 months of operation, the temperature curve of the running bearing bush begins to fluctuate and rise, and the temperature climbs to the temperature alarm. Every 4 months, it needs to be repaired once due to the paint film problem.

 

 

 

l Device name: low pressure expander

 

Fix the problem: Remove the varnish

 

 

 

 

Tank capacity: 3m³

 

Oil type: 46# turbine oil

 

Oil service time: 1 year

 

 

 

 

Oil cleaning model No. : WVD-II varnish removal oil purifier

 

Operation time: November 2017 till now

 

 

 

 

varnish tendency index: 18.6

 

Unit operation: paint film adhesion is serious

 

 

 

 

varnish tendency index: 8.2

 

Unit operation: normal