Arc-shaped hot conveying roller way steel slag collecting system and method

The invention discloses a steel slag collecting system and method for an arc-shaped hot conveying roller way, and belongs to the technical field of continuous casting steel rolling. The arc-shaped hot conveying roller way steel slag collecting system comprises a conical chute fixed to the bottom of an arc-shaped hot conveying roller way and an arc-shaped rail steel slag collecting device. The conical chute is arranged in an arc shape in the length direction, and is arranged in a conical shape which is closed downwards in the vertical direction; the arc-shaped track steel slag collecting device comprises a scraper device, an ash bucket and an arc-shaped steel slag tank; an upper opening of the conical chute is connected with a blanking surface of the arc-shaped hot conveying roller way, a bottom opening of the conical chute is used for blanking steel slag on the blanking surface into the arc-shaped steel slag tank, and a scraping plate device which is connected in the arc-shaped steel slag tank in a sliding ma