Detection interference suppression system for pipeline below heat-tracing-wire-containing heat preservation layer
The utility model discloses a detection interference suppression system for a lower pipeline with a heat tracing wire heat preservation layer. The detection interference suppression system comprises a pulsed eddy current generator, a filter and an annular pasting type eddy current array probe which...
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| creator | HE TINGTING SUN YUJIANG YANG YANG FENG CUINING YUAN SHINING YAN HUAYUN HAN XUEYAN |
| description | The utility model discloses a detection interference suppression system for a lower pipeline with a heat tracing wire heat preservation layer. The detection interference suppression system comprises a pulsed eddy current generator, a filter and an annular pasting type eddy current array probe which is arranged along the periphery of the pipeline, the annular pasting type eddy current array probe comprises a transmitting coil and a receiving coil which are distributed in an array mode. The pulse vortex generator is used for applying pulse excitation to the transmitting coil in the ring-mounted array probe; and the filter is used for filtering the detection signal from the eddy current array probe receiving coil and filtering out an interference noise signal from the heat tracing line. According to the utility model, the corrosion defect detection can be carried out on the pipeline under the thermal insulation layer under the condition that the heat tracing wire is not closed. The device has the characteristics |
| format | Patent |
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The detection interference suppression system comprises a pulsed eddy current generator, a filter and an annular pasting type eddy current array probe which is arranged along the periphery of the pipeline, the annular pasting type eddy current array probe comprises a transmitting coil and a receiving coil which are distributed in an array mode. The pulse vortex generator is used for applying pulse excitation to the transmitting coil in the ring-mounted array probe; and the filter is used for filtering the detection signal from the eddy current array probe receiving coil and filtering out an interference noise signal from the heat tracing line. According to the utility model, the corrosion defect detection can be carried out on the pipeline under the thermal insulation layer under the condition that the heat tracing wire is not closed. 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The detection interference suppression system comprises a pulsed eddy current generator, a filter and an annular pasting type eddy current array probe which is arranged along the periphery of the pipeline, the annular pasting type eddy current array probe comprises a transmitting coil and a receiving coil which are distributed in an array mode. The pulse vortex generator is used for applying pulse excitation to the transmitting coil in the ring-mounted array probe; and the filter is used for filtering the detection signal from the eddy current array probe receiving coil and filtering out an interference noise signal from the heat tracing line. According to the utility model, the corrosion defect detection can be carried out on the pipeline under the thermal insulation layer under the condition that the heat tracing wire is not closed. 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The detection interference suppression system comprises a pulsed eddy current generator, a filter and an annular pasting type eddy current array probe which is arranged along the periphery of the pipeline, the annular pasting type eddy current array probe comprises a transmitting coil and a receiving coil which are distributed in an array mode. The pulse vortex generator is used for applying pulse excitation to the transmitting coil in the ring-mounted array probe; and the filter is used for filtering the detection signal from the eddy current array probe receiving coil and filtering out an interference noise signal from the heat tracing line. According to the utility model, the corrosion defect detection can be carried out on the pipeline under the thermal insulation layer under the condition that the heat tracing wire is not closed. The device has the characteristics</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Detection interference suppression system for pipeline below heat-tracing-wire-containing heat preservation layer |
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