Nuclear class-1 equipment performance test system and method

Abstract

The invention provides a nuclear class-1 equipment performance test method and a nuclear class-1 equipment performance test system, which can test the performance of third-generation and second-generation pressurized water reactor power plant nuclear class-1 equipment under the conditions of the in-accident and after-accident environments in a safety shell, ensure the realization of the temperature and pressure control precision in a preset time period in a thermal shock period and obtain the parameters meeting the requirements of international standards on the test of the performance of third-generation and second-generation pressurized water reactor power plant nuclear class-1 equipment under the conditions of the in-accident and after-accident environments in the safety shell.

Description

technical field [0001] The invention relates to the technical field of nuclear power, in particular to a performance testing system and method for nuclear primary equipment. Background technique [0002] Nuclear safety regulations require that in order to ensure the safe operation of nuclear power plants under normal operating conditions, accident conditions and post-accident conditions, and to protect public health and safety, a series of appraisal tests must be carried out on nuclear safety systems and equipment to verify whether they can be implemented. its intended function. For the nuclear power equipment in the containment, they must maintain the normal safe working function during and after the loss of coolant accident, so it is very necessary to conduct performance tests under the thermal dynamic and chemical conditions during the simulated containment accident. The core of the experiment is: the simulation of severe environmental conditions during and after the acc...

AI Technical Summary

Problems solved by technology

Obviously, the volume of the LOCA furnace limits the scope of the equipment to be tested. Because the volume of the LOCA furnace is too small, many nuclear level-1 equipment cannot be tested for the environmental performance of the accident in the containment vessel.

Moreover, the temperature required by the thermal shock of the second-generation unit cannot be reached within the specified time, and the uniform temperature distribution cannot be guaranteed during the thermal shock stage, resulting in that the actual temperature and pressure of the tested equipment is not the specified temperature and pressure

Since the design of the performance test system of the existing nuclear first-level equipment does not consider the test requirements of the third-generation unit, the system cannot meet the environmental test of the third-generation unit

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