The invention aims to provide an intelligent dry separation main re-cleaning process and equipment; and two different main re-cleaning separation modes of primary coal dressing and secondary gangue scavenging or primary gangue selection and secondary coal selection are adopted. The intelligent dry separation main re-cleaning equipment is dry separation equipment for intelligently identifying and separating minerals by rays, identifies cleaned coals and gangue according to differences of ray absorbing amounts of the cleaned coals and the gangue, and adopts an air nozzle as an actuation mechanism. The intelligent dry separation main re-cleaning process and equipment can be applied to coal selection factories with higher coal content and coal selection factories with single-separated products difficult to satisfy the quality requirements, solves the problems of weak adaptability of single separation to coal mines with higher coal content and low product quality in a conventional intelligent dry separation technology, can widen the application scale of the intelligent dry separation technology, and improves the intelligent dry separation effect.