CPC G01N 29/14 (2013.01) [F16J 15/3492 (2013.01); F16J 15/40 (2013.01); G01D 5/142 (2013.01); G01D 5/26 (2013.01); G07C 3/00 (2013.01); F16J 15/3444 (2013.01); G01P 3/44 (2013.01)] | 18 Claims |
1. A seal monitoring system for a dry gas seal assembly, comprising:
a dry gas seal having a stator portion with a first seal face and a rotor portion with a second seal face, the dry gas seal is configured to be positioned between a stationary housing and a rotatable shaft with the rotor portion configured to rotate with the rotatable shaft;
an acoustic emissions sensor configured to sense when the first seal face and the second seal face are in an operational condition relative to one another and output a signal indicative of the operational condition; and
a speed sensor sensing speed of the rotatable shaft at speeds below one thousand (1,000) rotations per minute (RPMs), the speed sensor configured to output a signal indicative of a rotational speed of the rotatable shaft;
a processor configured to receive the signal from the speed sensor and the signal from the acoustic emissions sensor; and
wherein the processor is configured to establish that a change in an operating condition of the dry gas seal has occurred based on the signal received from the acoustic sensor and the signal received from the speed sensor.
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