The first stage cylinder of the new hydrogen compressor in the lubricating oil hydrogenation unit has abnormal noise and a high exhaust temperature fault.After dismantling the first stage cylinder for maintenance,it was found that there was a large amount of wear on the piston ring and support ring.Through analysis of product quality,installation data,oil injection amount of the oil injector,degree of damage to the inlet filter,cooling water temperature,and other factors that may cause wear on the piston ring and support ring,it was ultimately found that the main reason for the rapid wear on the first stage cylinder piston ring and support ring was due to the rough and oversized cylinder liner of the compressor's first stage cylinder.
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