Ultrasonic corrosion detection sensor system for pipeline
Multi-channel ultrasonic oil pipeline corrosion detection technology is based on ultrasonic pulse reflection thickness measurement technology, using non-contact detection technology to eliminate echo – back pipeline internal corrosion surface and attachments, 16 channel ultrasonic transmitting and receiving, temperature sensors, three-axis accelerometer sensor and other functions in one, for use in the pipeline internal detection of corrosion status of wall thickness and high precision.
Device functionality
The equipment is used to detect corrosion of pipeline by measuring the thickness of pipeline wall.The whole equipment has simple structure and convenient debugging. During testing, the device is driven by the crude oil pressure in the pipeline and keeps the axial parallel and stable. It works independently through its own battery components to automatically detect and store data.
Equipment composition
(1) sealed box for ultrasonic components
(2) 16-channel annular array convex probe layout (see figure on the right)
(3) ultrasonic transmitting and receiving circuit, pulse transmitter and receiver
(4) temperature sensor
(5) three-axis accelerometer sensor
(6) signal processing board
(1) airtight box for control components
(2) integrated chip
(3) data storage
(4) main control board
(1) hermetic unit for battery components
(2) large capacity battery
Performance indicator
- Working principle: ultrasonic wave (echo – echo)
- Test wall thickness ranges from 0.75 to 10mm (depending on probe, material under test and surface condition)
- Continuous working time 0 ~ 70℃ for 6 hours at ambient temperature
- Detection resolution: 0.01mm
- Thickness measurement accuracy: 0.05mm (steel)
- Display accuracy: 0.01mm (steel)
- External size: 40×60 mm (single section)
- Operating temperature: -20℃~70℃
- Working environment: without strong vibration, no strong magnetic field
- Excitation pulse 150V: negative spike pulse
- Gain: automatic
- Frequency bandwidth: 0.5-15mhz
- Measure refresh frequency: 2000 times/second
- Data storage Mini SD card