1. Introduction of eddy current flaw detectorEddy current flaw detector is suitable to test the welding quality of components and parts of pipelines, aircraft, vehicles and bridges in petroleum, aeros...
Tubing repair is an important measure to reduce the comprehensive cost of production in oil production plants to improve the quality of repairing tubing. It can ensure the quality of oil and water wells to prolong the inspection cycle, reduce the rework of operations and reduce operating costs.
As an important process in the tubing repair test line, the flaw detection can accurately and effectively detect the defects in the manufacture and use of the inner and outer wall and the pipe body of the oil pipe to ensure the repair quality of the oil pipe.
When the detected tubing is saturated and magnetized, the magnetic field lines are distorted by the magnetic lines of force at the defect blocking defect, and a part of the magnetic lines leak out of the inner surface of the tube rod to form a leakage magnetic field, and the electromagnetic detecting method for detecting the leakage magnetic field by the detecting element is detected. Magnetic flux leakage inspection.
The leakage magnetic field picked up by the probe from the defect is amplified and converted into a digital signal, and then visually reflected by the flaw detector to the display to display the defect signal from the flaw detector, and directly determine the defect type and size of the detected tube rod.
¢73 and ¢89mm tubing eccentric wear and corrosion pits are detected, automatic detection, automatic alarm, automatic identification, automatic alarm.
Our company's new MFI tube magnetic flux leakage inspection machine has high sensitivity to very small defects. It can effectively detect defects such as corrosion pits, eccentric wear on the inner wall of the tubing, thinning of tubing wall, etc.
Moreover, the testing speed is fast and pollution-free, and the detection is fully automated. The computer display screen is used to display the detection curve, automatic alarm, marking (defect of steel pipe), grading of tubing (grade I, II and scrap).
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