Multi-channel under-metal-scale corrosion monitoring system and method under multi-phase flow state impact

The invention relates to a multi-channel under-metal-scale corrosion monitoring system and method under multi-phase flow state impact. The system is composed of a centrifugal pump, a solution tank, an under-scale corrosion monitoring system, a multi-channel electrochemical workstation and the like. Wherein the under-scale corrosion monitoring system adopts a plurality of parallel branch runners, so that the under-scale corrosion behavior research of multiphase flow impact of a test sample at different flow speeds and different parts of pipeline steel can be realized, and the experiment efficiency is greatly improved. The invention further discloses a specific testing method of the metal under-scale corrosion monitoring system under the multi-phase flow state impact, and real-time monitoring of electrochemical information of metal under a scale layer under the synergistic effect of the multi-phase flow state and the scale layer is achieved. In the experiment process, monitoring of dynamic electrochemical infor