Coal Flow Monitoring System adopts binocular vision technology and linear structured light to realize real-time monitoring. The linear structured light generator accurately outlines the dynamic contour of coal flow. It establishes a 3D reconstruction calculation model to determine the volume and speed of coal flow, and assists in adjusting the belt operating speed to solve the coal accumulation problem of the main coal flow. The system feeds back abnormal data in real time and triggers alarms, supporting efficient and safe production in coal mines.