Passive decay heat removal system for liquid metal cooling pool type reactor

A liquid metal cooling and waste heat removal system technology, applied in reactors, cooling devices, nuclear power generation, etc., can solve problems such as weak heat removal capacity, affecting reactor economy, complex structure, etc., to facilitate heat discharge and improve Good effect of natural circulation performance and shielding performance

Active Publication Date: 2017-05-10
NANHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to address the needs of liquid metal cooling pool reactor accident waste heat discharge, overcome the complex structure of the current prior art syste...

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  • Passive decay heat removal system for liquid metal cooling pool type reactor
  • Passive decay heat removal system for liquid metal cooling pool type reactor
  • Passive decay heat removal system for liquid metal cooling pool type reactor

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Embodiment Construction

[0023] The present invention provides a liquid metal cooling pool reactor passive accident waste heat discharge system. The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings:

[0024] figure 1 It is a structural schematic diagram of a liquid metal cooling pool reactor passive accident waste heat discharge system of the present invention. The present invention consists of a coolant inlet 1, a gravity heat pipe 2, an upper partition 3, a lower partition 4, a box body 5, a coolant outlet 6, a gas riser 7, an exhaust chimney 8, a thermal isolation layer 9 and equipment and equipment It is composed of connecting pipes and other valves. Wherein the coolant inlet 1 is positioned at the middle part of the box body 5 and above the stack top shield cover 13, and the coolant outlet 6 is positioned at the top of the box body 5; The condensing section 17 is composed of the evaporating section 15 located in the...

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Abstract

The invention discloses a passive decay heat removal system for a liquid metal cooling pool type reactor. The passive decay heat removal system is composed of a coolant inlet, a gravity-type heat pipe, an upper partition plate, a lower partition plate, a box body, a coolant outlet, a gas riser pipe, an exhaust stack, a thermal isolation layer, pipelines connected between devices, and valves. According to the invention, when a reactor is under accident states like station blackout, water supply interruption of a main heat exchanger or earthquake, a ventilation door of the exhaust stack is opened; cold air from the interior of a reactor containment enters into the box body through the coolant inlet, cools the condensing section of the gravity-type heat pipe and enters the gas riser pipe from the coolant outlet; hot air flows out of the reactor containment through the gas riser pipe; thus, the process has passive characteristic. The passive decay heat removal system provided by the invention has simple structure, is convenient to start, can simultaneously remove core decay heat and prevent radioactive substances in a reactor pit from escaping, and has passiveness, independence and high reliability.

Description

technical field [0001] The invention belongs to the technical field of reactor system component design, and in particular relates to a liquid metal cooling pool type reactor passive accident residual heat discharge system. Background technique [0002] The liquid metal cooling pool reactor adopts an integrated pool structure and uses a new type of coolant, liquid metal, as a coolant. It has good neutronics performance, thermal hydraulic performance and inherent safety, and is an important development direction of advanced fission reactors in the future. Among the six types of reactors with the most development potential recommended by the International Atomic Energy Agency (IAEA), lead-cooled fast reactors and sodium-cooled fast reactors are both liquid metal-cooled pool reactors. At present, lead-cooled reactors and lead-bismuth cooling Design and development of reactors and sodium-cooled reactors. [0003] In recent years, the research and development of passive safety sy...

Claims

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Application Information

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IPC IPC(8): G21C15/18
CPCG21C15/18Y02E30/30
Inventor 刘紫静赵鹏程
Owner NANHUA UNIV
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