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Anti-vibration strip assembly for nuclear power station and production method thereof

A production method and technology of anti-vibration strips are applied in the detailed information of nuclear power plants, nuclear power plants, nuclear power generation and other directions, which can solve the problems of increasing the danger of maintenance personnel being exposed to radioactive radiation, waste of manpower, financial resources and incidents, so as to avoid crystal grains. The difference is too large, the purity is increased, and the adaptability is good.

Inactive Publication Date: 2017-05-10
丹阳市龙鑫合金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Once the heat transfer tube is damaged by vibration, the steam generator has to be replaced, which will inevitably cause a huge waste of manpower, financial resources and incidents, and also increase the risk of radioactive radiation for maintenance personnel

Method used

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  • Anti-vibration strip assembly for nuclear power station and production method thereof
  • Anti-vibration strip assembly for nuclear power station and production method thereof
  • Anti-vibration strip assembly for nuclear power station and production method thereof

Examples

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Embodiment Construction

[0043] See Figure 1-2 , an ACP1000 anti-vibration bar assembly in this embodiment, comprising: an anti-vibration bar 1 with a V-shaped structure, and two end caps 2 fixedly sleeved on both ends of the anti-vibration bar 1 respectively, and each end cap 2 passes through multiple A positioning pin 3 or a screw is fixed on the end of the anti-vibration bar 1.

[0044] The end cap 2 and the anti-vibration strip 1 are provided with through holes suitable for matching with the positioning pin 3 .

[0045] Or the ends of the end cap 2 and the anti-vibration bar 1 are provided with threaded holes that are threadedly engaged with the screws.

[0046] The two ends of the anti-vibration strip 1 are rectangular, and the rest are tubular. The four sides of the rectangular part are provided with chamfers, and the end cap 2 is provided with a rectangular groove matching the rectangular part, so that the end cap 2 When being sleeved, it is only limited to the end, which is convenient for i...

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Abstract

The invention relates to an anti-vibration strip assembly for a nuclear power station, and a production method thereof. The anti-vibration assembly includes a V-shaped anti-vibration strip, and two end caps which fixedly sleeve two ends of the anti-vibration strip respectively; and the end caps are fixed on the ends of the anti-vibration strip through a plurality of positioning pins or screws. The anti-vibration strip assembly is simple in structure, can meet the precision demand of a steam generator in the nuclear power station for the anti-vibration strip, and is safe to use. The production method of the anti-vibration strip includes strict production processes, can meet the process demand of the steam generator in the nuclear power station for the anti-vibration strip assembly, can ensure the quality, and can improve the safety; and the positioning pins are arranged on the end caps, and then the end caps will not be released in an assembly process of the anti-vibration strip assembly and a U-shaped pipe.

Description

technical field [0001] The invention designs an anti-vibration bar assembly for an ACP1000 nuclear power plant and a production method thereof. Background technique [0002] The U-shaped heat transfer tube in ACP1000 of the domestic third-generation pressurized water reactor nuclear power plant is the most critical and weakest link in the pressure boundary of the primary circuit system. Once the heat transfer tube is damaged by vibration, the steam generator must be replaced, which will inevitably cause a huge waste of manpower, financial resources and incidents, and also increase the risk of radioactive radiation for maintenance personnel. Therefore, solving the steam generator tube failure accident is a key issue related to the safety of the nuclear power plant and to make the nuclear power plant competitive and viable. [0003] In order to eliminate the source of vibration as much as possible, it is generally necessary to install an anti-vibration strip assembly (ie ACP1...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00G21D1/00
CPCB23P15/00G21D1/00Y02E30/00
Inventor 王国年姜建东束志华张勋
Owner 丹阳市龙鑫合金有限公司
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