Self-cleaning dust removal belt conveyor and using method thereof

The invention discloses a self-cleaning dust removal belt conveyor and a using method thereof, the self-cleaning dust removal belt conveyor comprises a conveyor main body, at least two low positions of a lower belt are immersed into water in corresponding water tanks, one side of the lower end of each water tank is provided with a drain outlet, and the other side of the lower end of each water tank is provided with a longitudinally moving drain plate; the ultrasonic generating mechanism is provided with a supporting assembly which moves longitudinally and rotates, a mounting plate which is driven to move up and down on the supporting assembly, and an ultrasonic generator which is located on the mounting plate; the ultrasonic detection mechanism is provided with a plurality of ultrasonic detectors which are correspondingly used for detecting the precipitation height of the coal dust in the water tank and detecting the content of the coal dust attached to the lower belt; the energy storage power generation mech