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Ultrasonic pipe testing refers to a non-destructive testing method that uses ultrasound to inspect internal defects in metal components. Using an acoustic transducer to emit ultrasonic waves through a coupling agent to the surface of the component, the ultrasonic waves will have different reflected signals (echoes) when encountering different interfaces when propagating inside the component. By utilizing the time difference between different reflected signals transmitted to the probe, defects inside the component can be detected. The size, location, and approximate nature of defects can be determined based on the height and position of the echo signal displayed on the fluorescent screen. Ultrasonic testing is more sensitive to cracks, incomplete penetration, and incomplete fusion defects, but less sensitive to pores and slag inclusions. Ultrasonic testing has poor visualization and is not sensitive to near surface defects (known as blind spots in ultrasound).

Steel pipe weld flaw detection is divided into online flaw detection mode and offline flaw detection mode, and the equipment adopts beam type water film flaw detection. The system adopts the combination of computer control and real-time signal acquisition and processing technology, and uses multi-channel digital flaw detector with the support of high-speed computer to realize automatic detection of defects, automatic evaluation of defects, display and record (defect) echo amplitude, storage and printing detection data.

COMPOSITION OF ultrasonic pipe inspection equipment

1. Detection operation platform;

2. Probe system lifting device;

3. Probe tracking device;

4. Steel pipe rotation drive system;

5. Electronic control system;

6. Digital 48-channel ultrasonic flaw detection instrument;

7. Beam and probe walking system;

8. Hydraulic system;

9. Material turning system;

10. Seam tracking system;

11. Gas system and marking device;

12. Water circulation system.

ULTRASONIC STEEL PIPE TESTING EQUIPMENT SYSTEM DETAILS

This system is an online ultrasonic pipe testing equipment for steel pipe welds and pipe bodies. It uses ultrasonic-beam water film method for flaw detection. According to customer requirements, it is designed and customized under the premise of meeting stability and efficiency. The system adopts computer control and signal real-time acquisition and processing technology, and uses multi-channel digital flaw detector with the support of high-speed computer to realize automatic detection of defects, automatic evaluation of defects, display and record (defect) echo amplitude, storage and printing detection Data, automatically generate test reports in the format required by the user.

The system also has many advantages such as advanced instruments, high degree of automation, fast detection speed, strong anti-interference ability, and accurate judgment. The overall technology is at the domestic leading level.

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