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ACP1000 anti-vibration bar assembly for nuclear power plant and production method thereof

A production method and technology of anti-vibration strips, which are applied in the direction of detailed information of nuclear power plants, nuclear power plants, nuclear power generation, etc., can solve the problems of increasing the danger of maintenance personnel being exposed to radioactive radiation, waste of manpower, financial resources and events, etc., to avoid crystal grains The effect of excessive gradient, increased purity, and easy control

Active Publication Date: 2018-03-23
丹阳市龙鑫合金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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  • ACP1000 anti-vibration bar assembly for nuclear power plant and production method thereof
  • ACP1000 anti-vibration bar assembly for nuclear power plant and production method thereof
  • ACP1000 anti-vibration bar assembly for nuclear power plant and production method thereof

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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 bar assembly for an ACP1000 nuclear power plant and a method for producing the same. The anti-vibration bar assembly includes: an anti-vibration bar of a V-shaped structure, and two end caps fixedly disposed in a sleeving manner at both ends of the anti-vibration, respectively. The end caps are secured to the end portions of the anti-vibration bar by a plurality of locating pins or screws. The invention has a simple structure, with the quality of the product in accordance with precision requirements of a steam generator in the nuclear power plant, and is more secure when in use. The preparation method of the anti-vibration bar includes strict preparation procedures, ensures process requirements for the anti-vibration bar assembly of the steam generator in the nuclear power plant, ensures the quality and improves the safety, and the addition of the locating pins on the end caps enables the end caps not to be pulled out in the assembly of the anti-vibration bar assembly and the a U-tube.

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 Patents(China)
IPC IPC(8): G21D1/00B23P15/00
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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