Is it necessary to add a interlock shutdown logic for the high-high shaft displacement alarm in screw compressors?

2020-09-10View Original

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For the continuous reforming complex, the axis displacement alarm for the PSA purified gas screw compressors is set at 0.30 mm as the upper limit for normal operation and 0.40 mm as the upper limit for high-level alarms. I would like to ask the experts whether it is necessary to add a interlocked shutdown mechanism after reaching the high-level alarm threshold Why? Are there any specific requirements? The axial clearance within the casing of the male and female rotors of the screw compressor is 0.23 mm on the exhaust side, and 1.28 mm on the intake side. I would like to ask those who have screw compressors installed to take a look at their own system logic and find out which manufacturer the units are from

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Is it necessary to add a interlock shutdown logic for the high-high shaft displacement alarm in screw compressors?

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