Abstract
The dependence of the parameters (cleanliness, contamination and purification) of the working fluid of the bearing lubrica-tion system and steam turbine control is obtained. Filters are intended to purify by removing solid contaminants that are harmful to the oil and the machine. If the filter is doing a good job, it is removing contaminants as fast as they are entering (ingression). This is known as mass balance. The number of particles coming into the oil system (particle ingression) equals the number being caught by the filter (particle removal); this achieves a stabilized and controlled oil cleanliness lev-el. The effect of air dispersed in oil on the operation of frame filters in steam turbine lubrication systems was analyzed. It has been established that when filtering aerated oil, soft particles (gas bubbles) increase the screening ratio of solid con-taminants by more than 4 times. Calculations show that air dispersed in oil increases the purity of the filtrate in the system by 21 times.
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