Detection method for X ray of boiler tube panel

A detection method and X-ray technology, applied in the direction of using radiation for material analysis, can solve the problems of low degree of automation, low efficiency, and inability to guarantee accuracy, and achieve the effect of efficient operation and accurate detection

Active Publication Date: 2016-02-10
LANZHOU SANLEI ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the past, the X-ray detection of the boiler tube screen was semi-manual using film, whic

Method used

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  • Detection method for X ray of boiler tube panel
  • Detection method for X ray of boiler tube panel
  • Detection method for X ray of boiler tube panel

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[0021] Such as figure 1 , figure 2 , image 3 As shown, the present invention is an X-ray detection method for boiler furnace tube screens, and its steps are:

[0022] (1) Tilt the X-ray machine (2) along the movement direction (ω2) of the designed tilt axis to the tilt angle position (γ0) of the X-ray machine (2) when the X-ray machine (2) and the panel (6) are aligned horizontally , Make sure that the beam exit of the ray is parallel and directly opposite to the panel (6);

[0023] (2) Deflection of the X-ray machine (2) to the reference of the X-ray machine (2) along Y1, the angle between the center of the beam exit of the machine and the center of the tube panel steel and the reference (α)=45 °, confirm that the ray beam is perpendicular to the panel; Y1 is the moving direction of the X-ray machine (2) parallel to the plane of the conveyor line and perpendicular to the plane of the conveyor line;

[0024] (3) Press the up / down button on the panel (6), the panel (6) will drop t...

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Abstract

The invention discloses a detection method of the X ray of a boiler tube panel. The detection method comprises the steps of inclining an X-ray machine to the inclining angle position of the X-ray machine when the X-ray machine is aligned to a panel horizontally along the movement direction of a designed inclination axis, and deflecting the X-ray machine by taking the movement direction Y1 as reference, thus determining the vertical orthogonality of ray beam and the panel; descending the panel to the lowest position, sending a steel tube of the tube panel into a protection lead room, pressing an ascending button on the panel, ascending the panel to the highest position, practically measuring, inputting engineering calculation data, panel following engineering calculation data and the diameter (D) of the steel tube of the tube panel of the X-ray machine during the deflection of the X-ray machine; inclining the X-ray machine to the largest inclination angle position, and operating imaging software to complete 0-degree shooting; correcting the direction of the X-ray machine along the deflection movement direction of the axis line, carrying out interpolation motion by the X-ray machine along the backward direction Y1 and the panel along the advancing direction Y2 to reach 0-degree shooting position; rotating the panel along the horizontal rotation movement direction of the panel, thus adjusting the best shooting position; and operating the imaging software to complete 90-degree shooting.

Description

Technical field [0001] The invention relates to X-ray non-destructive testing technology of boiler tube screens. Background technique [0002] The boiler tube panel is the core component of the boiler. In the past, the X-ray inspection of the boiler tube screen was a semi-manual method of film shooting, with low automation and low efficiency. The accuracy of the test cannot be guaranteed. With the development of science and technology, people's awareness of economy and environment has increased, and many industries have increasingly higher requirements for non-destructive testing technology. Not only are testing functions perfect, automation is high, testing efficiency is high, but also easy to operate, energy saving and environmental protection . The tube-screen X-ray digital imaging detection system was developed to meet the requirements of this era. Its characteristics are short imaging time, safe protection, convenient operation, continuous detection, real-time imaging, e...

Claims

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Application Information

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IPC IPC(8): G01N23/04
Inventor 张正东张瑞琴赵肖东魏周亮王平红
Owner LANZHOU SANLEI ELECTRONICS
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