Modularized layering support device for multi-container system

A supporting device and modular technology, applied in the field of nuclear power, can solve problems such as the fatigue risk of pipeline welds, achieve the effects of reducing the risk of container overturning, saving nuclear island space, and occupying a small space

Pending Publication Date: 2018-12-11
CHINA NUCLEAR POWER TECH RES INST CO LTD +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The periodic alternating load and external impact load act on the equipment, which will cause fatigue risks in weak places such as welds in pipes between equipment

Method used

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  • Modularized layering support device for multi-container system
  • Modularized layering support device for multi-container system
  • Modularized layering support device for multi-container system

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Embodiment Construction

[0061] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

[0062] Such as figure 1 , figure 2 As shown, the multi-vessel system in a preferred embodiment of the present invention includes a pressure vessel 6, a steam generator 7, and a main pump 8. The steam generator 7 includes two, and the center is symmetrically arranged on the circumference of the pressure vessel 6. The main pump Two pumps 8 are arranged symmetrically around the pressure vessel 6 . The steam generator 7 and the main pump 8 are alternately arranged around the pressure vessel 6 and evenly spaced around the pressure vessel 6 .

[0063] The steam generator 7 is connected to the pressure vessel 6 through the first pipeline 71 respectively, and the main pump 8 is connected to the pressure vessel 6 through the s...

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Abstract

The invention relates to a modularized layering support device for a multi-container system. The multi-container system comprises a pressure container, at least two steam generators and at least two main pumps, wherein the steam generators are arranged around the pressure container in a center-symmetric way; the main pumps are arranged around the pressure container in a center-symmetric way; the steam generators and the main pumps are alternatively arranged around the pressure container, and are uniformly distributed around the pressure container at intervals; the steam generators are respectively connected with the pressure container through first pipelines; the main pumps are respectively connected with the pressure container through second pipelines; the modularized layering support device comprises a first support unit and a third support unit. The modularized layering support device has the advantages that the first support unit and the third support unit are used for supporting the main equipment of a reactor loop by layers, the load on the main equipment is transferred to a foundation supporter, the heat displacement produced by a reactor is released, the inertial load produced by the periodical alternating load of marine environment is resisted, and the reliability is improved.

Description

technical field [0001] The present invention relates to the field of nuclear power, and more particularly, to a modular layered support device for a multi-vessel system. Background technique [0002] The reactor coolant system in the related art consists of main equipment such as a pressure vessel, a steam generator, and a main pump through pipelines to form a closed loop. When the stack is started and shut down under normal operating conditions, the main equipment in the system will generate thermal expansion and thermal displacement. [0003] Due to the large temperature span, if these thermal expansion and thermal displacement are completely restricted, the thermal stress on the equipment and supports will exceed the allowable stress and be damaged. [0004] On the basis of the above loads, the reactor coolant system in the marine environment is also superimposed with long-standing alternating loads and external shock loads. The alternating loads periodically induce rol...

Claims

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Application Information

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IPC IPC(8): G21C13/024
CPCG21C13/024Y02E30/30
Inventor 邓玺刘青松周建明侯硕魏旭东赵月扬董超群唐叔建芮旻周国丰路广遥朱贺刘广东倪亮奚琛
Owner CHINA NUCLEAR POWER TECH RES INST CO LTD
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