Guide rail mechanism suitable for steam generator cleaning and mounting method thereof

A steam generator and cleaning mechanism technology, which is applied to boiler cleaning devices, cleaning heat transfer devices, lighting and heating equipment, etc., can solve problems such as difficult installation, limited installation space, and insufficient structural reliability at the interface of guide rails, and achieve Convenient and stable installation, ensuring the effect of precise stepping and positioning

Active Publication Date: 2022-03-25
SUZHOU NUCLEAR POWER RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to limited installation space, the flat guide rails are connected in three sections and installed through guide rail extension rods. The lack of structural reliability at the guide rail interface makes installation difficult

Method used

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  • Guide rail mechanism suitable for steam generator cleaning and mounting method thereof
  • Guide rail mechanism suitable for steam generator cleaning and mounting method thereof
  • Guide rail mechanism suitable for steam generator cleaning and mounting method thereof

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Embodiment Construction

[0049] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described implementation Examples are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0050] Such as Figure 1-17 As shown, the steam generator cleaning device of this embodiment includes a guide rail mechanism 1, a cleaning mechanism 2, a traction mechanism, a high-pressure pipe turntable mechanism 3, a traction rope turntable mechanism 4, and an auxiliary roller mechanism 5 for supporting the high-pressure pipe...

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Abstract

The guide rail mechanism comprises a first guide rail, a second guide rail and a linear rail, the first guide rail and the second guide rail are matched with each other in an inserted mode, the linear rail is arranged on the first guide rail and the second guide rail, and a plurality of positioning holes are formed in the linear rail. The distance between every two adjacent positioning holes is equal to the distance between every two adjacent heat transfer pipes in the steam generator, and the positioning holes are used for being matched with a proximity sensor on a cleaning mechanism so that stepping positioning of the cleaning mechanism can be achieved. The guide rail mechanism comprises a first clamping assembly and a second clamping assembly which are arranged on the first guide rail and the second guide rail and used for clamping the left portion and the right portion of a splitter plate in the steam generator respectively. According to the guide rail mechanism suitable for cleaning the steam generator, equidistant movement of the cleaning mechanism below the whole-section type guide rail mechanism can be achieved, and the guide rail mechanism is convenient to mount and stable in structure after being mounted.

Description

technical field [0001] The invention relates to the technical field of steam generator cleaning, in particular to a guide rail mechanism suitable for an efficient and convenient steam generator cleaning device in a narrow space and an installation method for installing the guide rail mechanism on a steam generator distributor plate. Background technique [0002] The steam generator is an important equipment used for heat exchange in the primary and secondary circuits of a nuclear power plant. There are as many as tens of thousands of tube bundles installed inside. Every time a nuclear power plant is shut down for maintenance, it is necessary to clean the secondary side tube bundle of the steam generator. [0003] In the existing steam generator cleaning technology, due to the limitation of the structure of the steam generator, half-stage cleaning is generally used for cleaning the hand hole, that is, the cleaning tool enters the interior of the container from the hand holes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B37/52F28G15/02
CPCF22B37/52F28G15/02Y02E30/30
Inventor 武伟让李江华钟越付东亮梁德汉王骏飞
Owner SUZHOU NUCLEAR POWER RES INST
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