The invention, belonging to the technical field of
nuclear industry measurement, particularly relates to a
spent fuel pool state
continuous monitoring method and a
system thereof. The
system comprises a liquid level, temperature measuring
transducer, a
transmitter unit, an installation support, a guide cylinder, a cable and an installation accessories, wherein the liquid level, temperature measuring
transducer is fixed by the guide cylinder and the support, signals output by the
transducer are transmitted by the cable to the remote mounted
transmitter unit and are subject to calculation and compensation and other treatment and then transmitted to a main
control room DSC
system. According to the invention, under various operation states of
nuclear power station, especially accidents, the liquid level and temperature
continuous monitoring problem of the
spent fuel pool from the
exposure of spent fuel to the full
water level is solved; simultaneously under design basis earthquake conditions and
station blackout condition, the
continuous monitoring problem of the spent
pool is solved, thus the operator can monitor the spent
pool states in real time; the system has the advantages of simple structure, convenient on-line adjustment and calibration, and easy interface with the
control system, and can realize the real-time accurate continuous liquid level temperature two-parameter monitoring.