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Anonymous Poster

GE Frame 9E lubmist eliminator problem

09/02/2008 11:54 AM

Dear Friends

We are facing a problem of oil discharge from the lubmist elimainator provided on the Lube oil tank of our GE frame 9E GT of 106MW. The system consists of a mist eliminator taking suction from the LO tank through a 8" pipe. The mist eliminator is located about 10m above the tank. The eliminator has a blower of 2000 CuM/hr dicharge taken through a coarse pre filter and fine filters and drifteliminator located above the fine filter. The blower takes suction fro a point above the drift eliminator mesh placed over the fine filter cartridges arranged 30 each in 2 cylinders. The exhaust is dischrged horizontally throgh a silencer about 3 m above the suction. The drain line of 1" is connected to main oil tank to return the accumulated oil by gravity through a buffer.

Problem

The filter get clog fast andlot of oil fumes and droplets are coming out from the blower discharge. The oil is having a temp of about 60-65degree C.

May please suggest how to control.

regards

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#1

Re: GE Frame 9E lubmist eliminator problem

09/03/2008 2:46 AM

Hello

Please I need some clarifications:

- it is recent problem, was not happened from the begining;

- did you change the oil brand in last time;

- the oil temperature has been incresed in last time;

- did you perform any oil lab analysis;

Waiting this information

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Anonymous Poster
#3
In reply to #1

Re: GE Frame 9E lubmist eliminator problem

09/08/2008 2:21 PM

Hi friend.Thanks for the response

Not for the intial 5-6 years

Oil Changed from Shell Turbo 32 to Turbinol XT32 (HPCL)

No change in temperature

Oil analysis for moisture viscosity, particle size etc. are in order

The problem is the filters are getting clogged and oil drops are being sprayed out. Flow rate of the blower is 2000 CMPH @2935RPM. desired vacuum 50mmwc.

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#2

Re: GE Frame 9E lubmist eliminator problem

09/03/2008 9:53 AM

Another point of view is to install a frequency converter to supply the electrical driver motor . In this way, reducing the frequency you get a lower blower speed and a lower flow of blower obtaining a optim operation point and less oil exhausting.

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