Serious accident processing method of spent fuel pool

Abstract

The invention discloses a serious accident processing method of a spent fuel pool. The serious accident processing method of a spent fuel pool includes the steps: 1) acquiring the water level information of a spent fuel pool, and determining the accident grade of the spent fuel tool; 2) setting a data interface on a spent fuel pool operation control unit, and modifying the operating standard of the spent fuel pool through the data interface; and monitoring and controlling the spent fuel pool by means of a monitoring center; 3) when the accident grade of the spent fuel pool is a serious accident, based on a diagnosis module, diagnosing the accident situation of the serious accident of the spent fuel pool; 4) based on the accident situation of the serious accident of the spent fuel pool, generating a corresponding accident alleviation strategy; and 5) based on the generated accident alleviation strategy, and correspondingly processing the spent fuel tool, thus realizing the technical effect that the accident processing efficiency is relatively higher and the alleviation effect of accidents is relatively higher.

Description

technical field [0001] The invention relates to the field of accident handling of nuclear power plants, in particular to a method for handling severe accidents of spent fuel pools. Background technique [0002] The main function of the spent fuel pool (Spent Fuel Pool) is to store and cool spent fuel elements. Nuclear power plants need to replace fuel after a certain cycle. The spent fuel taken out of the reactor is radioactive and continues to generate decay heat, so it must be stored in the spent fuel pool. [0003] The containment vessel in this application refers specifically to the large dry containment vessel of the PWR, which belongs to the pressure-bearing building. Most PWRs design the spent fuel pool outside the containment. Boiling water reactors like the Fukushima nuclear power plant adopt a small containment design, and the spent fuel pool is designed in the reactor building outside the containment, but usually the reactor building is an ordinary industrial bu...

AI Technical Summary

Problems solved by technology

[0006] The invention provides a serious accident treatment method for a spent fuel pool, which solves the technical problems of low accident treatment efficiency, poor treatment effect, and potential safety hazards in the existing serious accident treatment method for a spent fuel pool in a pressurized containment , realized the modification of the operating procedures of the spent fuel pool, classified the accident phenomena and levels of the spent fuel pool, and carried out different treatments for the accidents of different phenomena, the accident handling efficiency was higher, and the accident mitigation effect was better good technical effect

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