Passive residual heat removal circulating performance testing system and method

Abstract

The invention mainly relates to a passive residual heat removal circulating performance testing system. The passive residual heat removal circulating performance testing system comprises a residual heat removal circulating simulation system and an oversaturated pressure system, wherein the residual heat removal circulating simulation system comprises an in-pile heat source simulation module and an out-pile heat dissipation module; the in-pile heat source simulation module and the out-pile heat dissipation module are communicated through a pipeline to from a circulating testing loop; and the oversaturated pressure system enables pressure in the testing system to exceed saturated steam pressure of circulating liquid at a testing temperature. The in-pile heat source simulation module is used for simulating a heat source in an actual nuclear reactor; the volume flow of circulating liquid in the circulating testing loop, temperatures of inlet and outlet ends of the in-pile heat source simulation module and temperatures of inlet and outlet ends of the out-pile heat dissipation module are monitored so that the performance of the residual heat removal circulating simulation system can be obtained; and performances of the residual heat removal circulating simulation system actually arranged in the nuclear reactor can be tested in an accident process according to a performance testing result.

Description

technical field [0001] The invention belongs to the technical field of nuclear reactors, and in particular relates to a passive residual heat discharge cycle performance test system and a test method. Background technique [0002] Nuclear energy is a clean, economical source of energy, usually safe, but in the event of an accident, it would be catastrophic. In order to improve the inherent safety of the reactor and reduce the probability of core meltdown in the event of an accident, the third-generation nuclear energy application introduces a passive waste heat removal circulation system. In the case of no external power source, the natural circulation established in the loop will The heat inside the reactor is exhausted to keep the reactor safe. [0003] The performance of the passive waste heat removal circulation system is affected by factors such as the temperature difference between the internal heat source and the external cooling source, the heat dissipation power of...

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Problems solved by technology

At present, the research on the performance of the passive waste heat removal cycle only has numerical simulation and theoretical analysis, and there is no test system to test and verify its performance.

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