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Multi-stage reactor internals of deep water type low temperature heating reactor

A heating reactor, multi-stage technology, applied in the field of nuclear reactors

Pending Publication Date: 2019-02-22
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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There is no record of relevant structures in the prior art

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  • Multi-stage reactor internals of deep water type low temperature heating reactor

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] Such as figure 1 As shown, the present invention provides a deep-water-pool-type low-temperature heating reactor multi-stage internal component, including a lower hanging basket assembly, a middle hanging basket assembly and an upper hanging basket assembly 9 which are sealed and connected sequentially from bottom to top; the lower hanging basket The assembly includes a fuel assembly 3; both the middle basket assembly and the upper basket assembly 9 provide a guide mechanism for a reactor control rod mechanism, and the middle basket assembly positions and compresses the fuel assembly 3 .

[0019] The lower hanging basket assembly also includes a core lower grid 1, a core structure 2 and a lower hanging basket cylinder 4; The fixed connection is used to provide support and restraint for the fuel assembly 3 and other core structures; the fuel as...

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Abstract

The invention relates to multi-stage reactor internals of a deep water type low temperature heating reactor. The reactor internals comprise a lower hanging basket assembly, a middle hanging basket assembly and an upper hanging basket assembly which are connected from bottom to top in the sealing mode. The lower hanging basket assembly comprises a fuel assembly. The middle hanging basket assembly and the upper hanging basket assembly both provide a reactor control rod mechanism guiding mechanism, and the middle hanging basket assembly positions and compresses the fuel assembly. The reactor internals have the advantage that the fuel assembly is positioned and compressed by the middle basket assembly, isolation of cooling water inside and outside of a reactor core is achieved by means of sealing connection of the lower hanging basket assembly, the middle hanging basket assembly and the upper hanging basket assembly, and the guiding of a control rod mechanism can be achieved by the reactorcontrol rod mechanism guiding mechanisms of the middle hanging basket assembly and the upper hanging basket assembly.

Description

technical field [0001] The invention belongs to nuclear reactor technology, in particular to a deep-water low-temperature heating reactor multi-stage internal component. Background technique [0002] The deep pool heating reactor is a kind of nuclear heat source for large heating pipe network. It has the characteristics of simple structure, high inherent safety and low cost. In the design of the deep-water pool low-temperature heating reactor, in order to ensure the normal and safe operation of the deep-water pool low-temperature heating reactor, it is necessary to separate the cooling water in the pool from the core cooling water through reactor internals to ensure the core cooling capacity. At the same time, the reactor internals should fully meet the refueling requirements and provide guidance for the control rod drive lines. There is no record of related structures in the prior art. [0003] In view of this, the present invention is proposed. Contents of the inventi...

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Application Information

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IPC IPC(8): G21C5/06G21C5/10
CPCG21C5/06G21C5/10Y02E30/30
Inventor 周寅鹏郭志家张金山柯国土刘兴民衣大勇彭朝晖范月容石辰蕾姚成志
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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