8/29/2023 0 Comments Urs compressor cracked cylinderFinite element analysis and calculation should be carried out if possible. Therefore, the design department should fully recognize the importance of such problem, optimize structurally to avoid stress concentration and reserve sufficient safety factor allowance. According to data related, it is known that cylinder cracking caused by unreasonable design accounts for 74% of total cracking accidents. The valve cavity of the HP cylinder is most prone to failure. A dye penetration test was carried out for confirmation. During overhaul inspection of the outlet valve of the fifth stage (aside the midbody), the inspector found penetrative crack in the valve cavity. On March 5, 2010, overpressure of the fourth stage of the CO2 compressor appeared. The compressor has been put into operation after its installation in 2007.
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