Water feeding ring support structure of steam generator of pressurized water reactor nuclear power station and system

A technology for pressurized water reactor nuclear power plants and steam generators, which is applied to the primary side of steam generators, steam generation, and detailed information of nuclear power plants, etc. Vibration impact and other issues, to achieve the effect of strong adaptability and simple structure

Active Publication Date: 2019-03-12
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a support structure for the feed water ring of the steam generator of the pressurized water reactor nuclear power plant, which solves the problems that the seal between the existing water feed ring and the feed water nozzle is affected by vibration, and the water feed ring is too constrained to properly expand and bear local stress.

Method used

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  • Water feeding ring support structure of steam generator of pressurized water reactor nuclear power station and system
  • Water feeding ring support structure of steam generator of pressurized water reactor nuclear power station and system
  • Water feeding ring support structure of steam generator of pressurized water reactor nuclear power station and system

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Embodiment 1

[0028] Such as figure 1 , 2 , Shown in 3, 4, a kind of PWR nuclear power plant steam generator feedwater ring support structure comprises support frame, and described support frame links to each other with the cylinder inner wall of steam generator,

[0029] The support frame includes a first support plate 1, a second support plate 2, and a first connecting plate 3. A water supply ring support groove 6 is arranged between the first support plate 1 and the second support plate 2, and the water supply ring support groove 6 is A sliding guide block 7 is provided, the water supply ring 8 is fixedly connected with the slide guide block 7, the water supply ring 8 drives the slide guide block 7 to move together in the water supply ring support groove 6, and one end of the first connecting plate 3 is connected to the second support plate 2 , the other end of the first connecting plate 3 is connected with the cylinder inner wall of the steam generator, the water supply ring support gr...

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Abstract

The invention discloses a water feeding ring support structure of a steam generator of a pressurized water reactor nuclear power station. The structure comprises a support frame; the support frame isconnected with a cylinder inner wall of the steam generator; the support frame comprises a first support plate, a second support plate and a first connecting plate; a water feeding ring support tank is formed between the first support plate and the second support plate; a slide guide block is arranged in the water feeding ring support tank; the slide guide block is arranged on a water feeding ringto drive the water feeding ring to move in the water feeding ring support tank; one end of the first connecting plate is connected with the second support plate; and the other end of the first connecting plate is connected with the cylinder inner wall of the steam generator. The structure can limit the shaking and rotating motion of the water feeding ring, and can give proper axial expansion space to the water feeding ring to allow a certain position deviation between the water feeding ring and the support frame.

Description

technical field [0001] The invention belongs to the design field of a pressurized water reactor nuclear power plant (pressurized water reactor nuclear power plant), and in particular relates to a support structure for a water feed ring of a steam generator of a pressurized water reactor nuclear power plant. Background technique [0002] In a typical vertical natural circulation steam generator (hereinafter referred to as SG) of a pressurized water reactor nuclear power plant, in order to distribute the secondary side feedwater to the cold side and hot side of the SG according to a predetermined ratio and position, a feedwater ring structure is set. In order to effectively support and fix the water supply ring structure and prevent it from shifting or rotating due to the influence of the SG secondary side flow field, it is necessary to use the water supply ring support structure to fix it with other surrounding components. At the same time, the thermal expansion and contracti...

Claims

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Application Information

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IPC IPC(8): F22B37/20G21D1/00
CPCF22B37/20G21D1/006Y02E30/00
Inventor 李冬慧何戈宁张福源陈军亮谈国伟吴舸霍蒙
Owner NUCLEAR POWER INSTITUTE OF CHINA
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