Design method for containment integrity test of advanced pressurized water reactor nuclear power plant

Abstract

The invention relates to the field of nuclear power design, in particular to a design method for a containment integrity test of an advanced pressurized water reactor nuclear power plant. The design method for the containment integrity test of the advanced pressurized water reactor nuclear power plant comprises the following steps: S1, carding a containment vessel boundary penetration piece and a process pipeline; S2, designing a precondition for realizing integrity of the containment; S3, designing a test project based on containment function requirements; S4, performing pressure step design and boost-buck rate design of the integrity of the containment; and S5, forming an advanced pressurized water reactor nuclear power unit containment integrity test scheme design. According to the invention, the safety and the feasibility of the test are ensured to the greatest extent, and meanwhile, the method plays a great positive role in improving the availability of the nuclear power plant.

Description

technical field [0001] The invention relates to the field of nuclear power design, in particular to a design method for the containment integrity test of an advanced pressurized water reactor nuclear power plant. Background technique [0002] As the last barrier to limit the release of radioactive substances to the environment, the containment of the PWR nuclear power plant is responsible for the safety of containing radioactive substances, shielding radiation, and protecting the reactor from external natural events and man-made events under normal operation and accident conditions. Features. The design of the containment shall ensure that any radioactive release from the nuclear power plant to the environment is kept as low as reasonably feasible, and does not exceed the regulatory discharge limit for radioactive release under operating conditions, and does not exceed the possible radioactive release under accident conditions. Accept the limit. Moreover, based on the oper...

AI Technical Summary

Problems solved by technology

However, due to the differences in the standards followed and the design of containment structures and functions, there are large differences in the design of the integrity test of each nuclear reactor type containment in terms of depressurization rate, pressure step and duration, and test content of each step. There may be adverse effects such as unreasonable design of the pressure ladder, too long continuous test of the ladder, or imperfect design of the buck-boost curve.

Images