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Spent fuel pool cooling and purification system

A spent fuel pool and purification system technology, which is applied in the field of spent fuel pool cooling and purification systems, and can solve problems such as inconvenient cooling

Inactive Publication Date: 2021-09-03
CHINA NUCLEAR POWER TECH RES INST CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a spent fuel pool cooling and purification system for the inconvenient cooling of the spent fuel pool on the existing offshore small reactor platform

Method used

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  • Spent fuel pool cooling and purification system

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Embodiment Construction

[0028] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0029] In describing the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counter...

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Abstract

The invention relates to a spent fuel pool cooling and purification system, which comprises a first pipeline, wherein a water inlet of the first pipeline is used for being communicated with one side of a spent fuel pool, a water outlet of the first pipeline is used for being communicated with the other side of the spent fuel pool, and the water outlet of the first pipeline is located above the water inlet of the first pipeline; and an A-row cooling pump and an A-row heat exchanger are sequentially arranged in the first pipeline in the direction from a water inlet of the first pipeline to a water outlet of the first pipeline. According to the scheme, water in the spent fuel water pool passes through the A-row cooling pump and the A-row heat exchanger on the first pipeline and then returns to the spent fuel water pool, so that the water in the spent fuel water pool can be conveniently cooled, meanwhile, the spent fuel water pool independently arranged on the ship meets the requirement for long-term storage of spent fuel, the problem that spent fuel cannot be transferred in a short time is solved, and the arrangement space and the construction cost are greatly saved on the premise that the safety requirement of the system is met.

Description

technical field [0001] The invention relates to the technical field of nuclear power, in particular to a spent fuel pool cooling and purification system. Background technique [0002] According to the "Nuclear Power Plant Design Safety Regulations", for reactors that use pool systems for fuel storage, the design must prevent fuel assembly exposure in all nuclear power plant states related to spent fuel pools, and practically eliminate the possibility of early radioactive release or The possibility of a large number of radioactive release conditions to avoid the formation of high radiation areas in the plant area. [0003] During the shutdown and unloading process of small offshore reactors, the decay heat of spent fuel assemblies is very high. If they are immediately transferred to land for storage, the requirements for transfer equipment are very high, and the transportation risk is very high, and there is a risk of radioactive leakage. Therefore, it is necessary to set up...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21C15/02G21C15/18G21D1/02G21D1/04
CPCG21C15/02G21C15/18G21D1/02G21D1/04Y02E30/00Y02E30/30
Inventor 胡鱼旺谭璞周高飞张琪南金秋张立德帅剑云
Owner CHINA NUCLEAR POWER TECH RES INST CO LTD
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