Reactor with passive reactor core waste heat emission function

Abstract

The invention provides a reactor with a passive reactor core waste heat emission function. The reactor comprises a fully-enclosed safety shell. A reactor container, at least one storage tank and a heat insulating layer are arranged inside the safety shell. The storage tanks are used for storing solid heat conduction media. The heat insulating layer is of a fully-enclosed structure, is filled with inert gases and is provided with at least one first outer sidewall connected with the inner wall of the safety shell, at least one second outer sidewall connected with the outer wall of the reactor container and at least one third outer sidewall with one or a plurality of communication valves. A conduction tube extends from each storage tank and is connected with the corresponding communication valve on the heat insulating layer, and each storage tank is communicated with the heat insulating layer after the corresponding communication valve is turned on when a certain temperature is reached or a signal is received. A cooling cycling system for cooling the outer wall of the safety shell is arranged outside the safety shell. The reactor with the passive reactor core waste heat emission function has the advantages that the solid cooling media are adopted to avoid overpressure risks in the safety shell, the system mounting space is saved, and construction cost is reduced.

Description

technical field [0001] The invention relates to the technical field of nuclear reactors, in particular to a reactor with passive core waste heat discharge. Background technique [0002] The use of nuclear power is a major breakthrough in the history of human energy utilization. Using the fission reaction of atomic nuclei, nuclear power plants can produce high energy output that is unmatched by all other traditional fossil energy sources, and these high energy outputs often only need to consume a small amount of nuclear fuel. This characteristic of low input and high output has made nuclear energy an important energy component in many countries in the world. However, while nuclear power has extremely high utilization value, its possible harm also makes people talk about nuclear power. [0003] In the process of using nuclear power, once the temperature of the reactor vessel in the pressurized water reactor rises rapidly, if it is not cooled in time and the heat of the reactor...

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Problems solved by technology

[0005] Therefore, the inventors found that the above-mentioned cooling systems all use a liquid cooling medium in the containment for intermediate heat exchange. Since the liquid cooling medium is easily evaporated when heated, the heat is easy to stay in the containment, resulting in an increase in the pressure in the containment. However, in order to avoid Due to the high pressure inside the containment, it is necessary to install a large-area condenser and a reflux device, which makes the system bulky and the construction cost high

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