Thread-type image quality indicator for nondestructive detection of pressure pipeline

A non-destructive testing, pressure pipeline technology, applied in measurement devices, material analysis using radiation, material analysis using wave/particle radiation, etc. The effect of level, good control, effective control sensitivity

Pending Publication Date: 2018-08-17
湖北特种设备检验检测研究院
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Problems solved by technology

In the prior art, for non-metallic materials (such as polyethylene) welded joints, there is no such thing as polyethylene material. The wire

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  • Thread-type image quality indicator for nondestructive detection of pressure pipeline
  • Thread-type image quality indicator for nondestructive detection of pressure pipeline

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Embodiment Construction

[0028] The following is attached Figure 1-2 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. In the following paragraphs the invention is described more specifically by way of example with reference to the accompanying drawings. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0029] It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to ...

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Abstract

The invention relates to a thread-type image quality indicator for nondestructive detection of a pressure pipeline. The thread-type image quality indicator comprises an image quality indicator bottomplate, an image quality indicator fixing area, an image quality indicator model area and an image quality indicator recognition area, the image quality indicator fixing area, the image quality indicator model area and the image quality indicator recognition area are arranged on the image quality indicator bottom plate, the image quality indicator fixing area is used for fixing the thread-type image quality indicator to a workpiece, image quality indicator model is marked on the image quality indicator model area, multiple image quality indicator recognition threads parallelly arranged at specified intervals are arranged on the image quality indicator recognition area, and each of the image quality indicator bottom plate, the image quality indicator fixing area, the image quality indicatormodel area and the image quality indicator recognition area is made of polyethylene. By designing the image quality indicator bottom plate, the image quality indicator fixing area, the image quality indicator model area and the image quality indicator recognition area through polyethylene, ray detection sensitivity can be controlled effectively, detection technical level of a polyethylene pipelinewelding joint is improved, safety and reliability of the pipeline welding joint are ensured, polyethylene pipeline welding quality is controlled better from the source, and safety risk is lowered.

Description

technical field [0001] The invention relates to the field of nondestructive testing of pressure pipelines, in particular to a wire-type image quality meter for nondestructive testing of pressure pipelines. Background technique [0002] The image quality meter (image quality indicator, penetrometer) is a device for measuring the radiographic sensitivity of radiographs. According to the image of the image quality meter displayed on the film, the quality of the film image can be judged, and the transillumination technology, Film darkroom processing conditions, workpiece defect inspection capabilities, etc. At present, there are mainly three types of image quality meters that are most widely used: wire image quality meters, stepped hole image quality meters, flat hole image quality meters, groove image quality meters, and double wire image quality meters. The image quality meter should be made of the same material as the workpiece to be inspected or the material with similar ra...

Claims

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Application Information

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IPC IPC(8): G01N23/04
CPCG01N23/04G01N2223/628G01N2223/03
Inventor 张立红吕程陈力群郭炜陈平李志楠李斌何梦莹
Owner 湖北特种设备检验检测研究院
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