A passive waste heat removal system and nuclear energy system based on heat pipe heat exchange

A passive waste heat and waste heat discharge technology, applied in the field of nuclear energy systems, can solve the problems of large volume, high cost and high requirements, and achieve the effect of reducing system volume, high flexibility and improving heat exchange efficiency

Active Publication Date: 2018-07-24
中科瑞华原子能源技术有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing reactor waste heat removal systems adopt active or passive designs, and most of them adopt convective or radiative heat transfer methods, which have high requirements on the environment or equipment, large volume, and high cost
Especially for small or micro reactors, it is difficult to meet special requirements

Method used

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  • A passive waste heat removal system and nuclear energy system based on heat pipe heat exchange

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Embodiment Construction

[0027] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0028] figure 1 An embodiment according to the invention is shown.

[0029] like figure 1 As shown, the passive waste heat removal system includes an emergency waste heat exchanger 1 , a waste heat sink 2 , and a waste heat discharge connection 11 . The passive waste heat removal system is connected in parallel to the main coolant circulation system 8 composed of the core 7 , the main heat exchanger 9 and the circulation pump 6 .

[0030] Wherein, the emergency waste heat exchanger 1 includes at least one heat pipe heat exchanger, including a heating section 5 , an adiabatic section 4 and a cooling section 12 . Among them, the phase change medium is stored in the heating section 5 in the fo...

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Abstract

The invention discloses a passive residual heat removal system based on heat pipe heat exchange and a nuclear energy system. The passive residual heat removal system is applied to a coolant main circulation system mainly composed of a reactor core, a circulating pump and a main heat exchanger and comprises an accident residual heat exchanger, a residual heat hot trip and a residual heat removal connector, wherein the residual heat removal connector and the coolant main circulation system form parallel connection relationship, and the accident residual heat exchanger is filled with a phase change medium and is used for vaporizing and absorbing heat when the temperature of a primary circuit rises to a boiling point of the phase change medium, so that decay residual heat of the reactor core is taken away. The passive residual heat removal system according to the invention adopts phase change heat exchange, is compact in structure, small in size and high in heat exchange efficiency, is safe and reliable and also can be automatically put into operation according system requirements, so that complete passive design is realized.

Description

technical field [0001] The invention relates to a passive waste heat removal system mainly used for the decay waste heat discharge of nuclear energy systems, and also relates to a nuclear energy system using the passive waste heat removal system. Background technique [0002] Reactor waste heat removal system is an important safety system in reactor design, which is related to whether the waste heat can be safely and reliably exported after reactor shutdown, so as to ensure the safety of reactor shutdown. [0003] Existing reactor waste heat removal systems adopt active or passive designs, and most of them adopt convective or radiative heat transfer methods, which have high requirements on the environment or equipment, are bulky and costly. Especially for small or micro reactors, it is difficult to meet special requirements. Contents of the invention [0004] Aiming at the shortcomings of the existing reactor waste heat removal system, the purpose of the present invention...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21C15/18
CPCG21C15/18Y02E30/30
Inventor 高胜吕科锋张光雨周涛宋勇
Owner 中科瑞华原子能源技术有限公司
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