Fault Analysis and Solution Measures for the Operation of Centrifugal Compressor Unit in Condensate Hydrogenation Unit
The EB45-8 centrifugal compressor unit is a steam driven compressor unit configured for a 5 million ton per year condensate hydrogenation unit.It consists of an EB45-8 centrifugal compressor and a steam turbine,and the layout of the unit is EB45-8 compressor and steam turbine.During the load-free joint test of the unit,the exhaust cylinder temperature of the turbine was too high,and there were irregular temperature fluctuations in the radial bearing of the non drive end of the turbine during operation,as well as water content at the bottom of lubricating oil station.This paper analyzed the above three problems and proposed corresponding solutions.By adding spray pipelines,adjusting the clearance between the non drive end bearings of the steam turbine,and adding oil scraping grooves,the addition of an air seal nitrogen flushing device in the bearing box of steam turbine has completely solved the problems of the unit,which has improved the reliability of centrifugal compressor unit,and ensured the long-term operation of the equipment.
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