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ACP1000 anti-vibration strip assembly and production method thereof

A production method and technology of anti-vibration strips, applied in nuclear power plants, nuclear engineering, nuclear power generation, etc., can solve problems such as waste of manpower, financial resources and events, and increase the risk of maintenance personnel being exposed to radioactive radiation, so as to increase purity, Avoid the effect of excessive grain size difference and simple process

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

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 strip assembly and production method thereof
  • ACP1000 anti-vibration strip assembly and production method thereof
  • ACP1000 anti-vibration strip assembly and production method thereof

Examples

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Embodiment Construction

[0042] 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.

[0043] The end cap 2 and the anti-vibration strip 1 are provided with through holes suitable for matching with the positioning pin 3 .

[0044] 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.

[0045] 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 ACP1000 anti-vibration strip assembly and a production method thereof. The anti-vibration strip assembly comprises an anti-vibration strip of a V-shaped structure, and two end caps respectively fixed at the two ends of the anti-vibration strip in a sleeving manner, wherein all the end caps are fixed at the end parts of the anti-vibration strips through a plurality of locating pins or screws. The ACP1000 anti-vibration strip assembly is simple in structure; the product quality meets the requirement of a steam generator in a nuclear power plant for the precision of the anti-vibration strip; and the ACP1000 anti-vibration strip assembly is safer to use. Due to strict preparation procedures, the preparation method of the ACP1000 anti-vibration strip assembly guarantees the technological requirement for the anti-vibration strip assembly of the steam generator in the nuclear power plant, guarantees the quality and improves the safety; by the additional arrangement of the locating pins on the end caps, the phenomenon of pulling out of the end caps in the assembling process of the anti-vibration strip assembly and a U-shaped pipe is avoided.

Description

technical field [0001] The invention designs an ACP1000 anti-vibration bar assembly 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 ACP1000 anti-vibration strip as...

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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