Centrifugal compressor
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Hello everyone: What are the interlocks for centrifugal compressors?
Low flow low interlock, bearing shell temperature high high interlock, bearing shell vibration high high interlock, shaft displacement high high interlock, dry gas seal discharge pressure high high interlock or discharge flow high high interlock, as well as related interlocks for the turbine
Are overpressure and overspeed interlocks also available?
Things such as unit interlocks for low oil pressure, shaft displacement, shaft vibration, differential pressure of the dry gas seal, and some inlet level protections are not absolute either.
Oil pressure, shaft vibration, shaft displacement, exhaust pressure, bearing temperature, dry gas seal flow rate or pressure
Two sections: 1, the unit section – displacement, oil pressure, dry gas seal leakage, quick shutdown valve; 2, the process section – circulating hydrogen volume, liquid level in the liquid separation tank. The purpose of interlocking is to protect the unit.
Bearing temperature, shaft displacement, shaft vibration, inlet and outlet pressures, compressor inlet and outlet temperatures, lubricating oil pressure, as well as for centrifuges: flow rate and pressure ratio
Lubricating oil pressure is very low. Low quick-shut oil pressure, high shaft displacement, high flare pressure, high speed interlock