A method of monitoring internal corrosion CHANGES main pipelines AND DEVICE FOR ITS IMPLEMENTATION

摘要

1. A method of monitoring changes in internal corrosion of the main pipeline in which is placed on the outer side surface of the conduit and exciting the measuring coil, covering the conduit, generating harmonic test signal and transmit it into the exciting coil, increase the voltage induced in the measuring coil and is determined by the complex amplitude thickness of the pipe wall, characterized in that the exciting and measuring coils are placed on the surface of the pipeline in areas naib Lee exposed to internal corrosion periodically performed measurement of the pipeline wall thickness, the values ​​obtained are compared with the previously accumulated, and the resulting simulation, resulting in regression processing performed prediction time thinning pipeline to limit, during the measurement monitor conditions change monitoring and adjustment of the measured parameters. 2. An apparatus for monitoring the internal corrosive changes of the main pipeline, comprising exciting generator block transducers comprising exciting and measuring coils and the amplifier, characterized in that the device is provided with a bandpass filter, a digital temperature sensor disposed in the vicinity of any of the excitation coils on the surface of the pipeline , digital computer composed of a CPU, a random access memory, permanent zapom inayuschego devices, analog-to-digital converter and input-output ports; exciting generators