Columnar capacitor water content detection system and method

The invention discloses a columnar capacitor moisture content detection system and method, and the system comprises a metal pipeline, an insulating layer, a metal rod, an electric heating wire, a capacitance detection circuit, a micro-processing circuit, a display circuit, a communication circuit, and a heating circuit. A columnar electrode and a liquid flow baffle module are arranged in the metal pipeline; the output end of the columnar electrode is electrically connected with the input end of the capacitance detection circuit, the output end of the capacitance detection circuit is connected with the signal input end of the micro-processing circuit, the output end of the micro-processing circuit is in signal connection with the input ends of the communication circuit and the display circuit, and the columnar electrode penetrates through the metal pipeline. The capacitance detection circuit detects the capacitance value between the metal pipeline and the columnar electrode, and the capacitance value is transm