Intelligent identification system and method for coal gangue particle size distribution based on image identification

The invention provides an intelligent coal gangue particle size distribution recognition system and method based on image recognition, and the method comprises the steps: collecting and analyzing a thermal infrared dynamic image of concrete in a hydration reaction process, obtaining the heat distribution condition information of the hydration reaction, and determining the free water slow release degree information in the concrete; secondly, based on free water slow release degree information, coal gangue distribution state information in the concrete is determined, so that a coal gangue distribution abnormity area in the concrete is identified and positioned, and subsequent directional ultrasonic detection on the coal gangue distribution abnormity area is facilitated; and then, analyzing the corresponding ultrasonic spectrum image to obtain particle size distribution information of the coal gangue in the hardened concrete so as to judge whether the internal compactness of the hardened concrete reaches an expe