The invention discloses a cover tape type continuous conveying device for a bulk grain wharf. The cover tape type continuous conveying device for the bulk grain wharf comprises a portal crane with a hopper, a buried scraper conveyer, a tape type conveyer, a first dust detector, a second dust detector, air supply equipment, a first air inlet, a first air outlet, a second air inlet and a second air outlet, wherein the portal crane with the hopper is provided with the storage hopper; the tape type conveyer is a cover tape and semi-air-cushion tape type conveyer; the first dust detector is arranged in a first feeding bin of the buried scraper conveyer; the second dust detector is arranged in a second feeding bin of the tape type conveyer; the first air inlet and the first air outlet are respectively formed in two ends of the first feeding bin; the second air inlet and the second air outlet are respectively formed in two ends of the second feeding bin; standard dust concentration is pre-stored in the controller, if a first dust concentration value exceeds the standard dust concentration, ventilating equipment is started and a first valve is opened, and if a second dust concentration value exceeds the standard dust concentration, the ventilating equipment is started and a second valve is opened. By the cover tape type continuous conveying device for the bulk grain wharf, bulk grains can be conveyed continuously, and dust generated in a bulk grain conveying process can be controlled and eliminated effectively.