Nuclear power station special-shaped small-diameter tube nondestructive testing device and method

A non-destructive testing, small diameter tube technology, applied in the field of nuclear power, can solve the problems of manual layout, low work efficiency, difficult detection, etc., and achieve the effects of high position adjustment accuracy, improved work efficiency, and simple structure

Pending Publication Date: 2021-06-01
中广核工程有限公司 +1
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Problems solved by technology

[0003] At present, conventional radiographic inspection mainly adopts film photography technology based on X-rays or γ-rays. This technology is not only easy to pollute the environment, but also because the nuclear power prefabrication plant does not have special inspection equipment, the inspection of each weld position requires manual layout and manual control inspection. , the detection is labor-intensive, the work efficiency is low, and some positions are not easy to detect

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  • Nuclear power station special-shaped small-diameter tube nondestructive testing device and method
  • Nuclear power station special-shaped small-diameter tube nondestructive testing device and method

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[0032] In order to make the purpose, technical solution and technical effect of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific implementations described in this specification are only for explaining the present invention, not for limiting the present invention.

[0033] Please refer to figure 1 As shown, the present invention provides a kind of high-efficiency non-destructive testing device for special-shaped small-diameter pipes in nuclear power plants, which includes:

[0034] The X-ray machine 10 can move along the Y and Z directions;

[0035] The detector 20 can move along two directions of Y and Z; and

[0036] The inspection fixture 30 is located between the X-ray machine 10 and the detector 20 and can move along the X direction, and is used to clamp the special-shaped small-diameter tube 40 to be tested and a...

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Abstract

The invention discloses a nuclear power station special-shaped small-diameter tube nondestructive testing device which comprises a ray machine capable of moving in the Y direction and the Z direction; a detector capable of moving in the Y direction and the Z direction; and a detection clamp which is positioned between the ray machine and the detector, can move along the X direction, and is used for clamping the special-shaped small-diameter tube to be detected and allowing the special-shaped small-diameter tube to rotate around the axis of the special-shaped small-diameter tube. Compared with the prior art, the nuclear power station special-shaped small-diameter tube nondestructive testing device is simple in structure, high in position adjusting precision, accurate in positioning and convenient for field operation to complete ray detection work, and the working efficiency is improved. In addition, the invention also discloses a nuclear power station special-shaped small-diameter tube nondestructive testing method.

Description

technical field [0001] The invention belongs to the technical field of nuclear power, and more specifically, the invention relates to a non-destructive testing device and a testing method for special-shaped small-diameter tubes in nuclear power plants. Background technique [0002] In related technologies, the non-destructive testing of special-shaped small-diameter tubes in nuclear power prefabrication plants mainly uses radiographic testing, which can detect all defects in welds, and is a relatively effective non-destructive testing method. [0003] At present, conventional radiographic inspection mainly adopts film photography technology based on X-rays or γ-rays. This technology is not only easy to pollute the environment, but also because the nuclear power prefabrication plant does not have special inspection equipment, the inspection of each weld position requires manual layout and manual control inspection. , the detection is labor-intensive, the work efficiency is lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/04
CPCG01N23/04
Inventor 王东代淮北钟华赵泓朱德才高杰宗宁宇陈仲雯
Owner 中广核工程有限公司
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