Fecha de publicación: 23/08/2022 Fuente: WIPO "hemp" The utility model discloses a dust removal mechanism used in a short hemp feeding system, which comprises a dust removal pipeline, the dust removal pipeline is connected with a dust removal box, the bottom of the dust removal box is provided with a dust hopper, a filter screen is arranged above the dust removal box, a filter bag is arranged above the filter screen, an air purification chamber is arranged above the filter bag, and the air purification chamber is connected with the dust removal box. An air extractor and an air outlet are arranged at the top end of the dust removal box, a blanking plate is fixedly connected below the filter screen, a plurality of openings are formed in the blanking plate, a first baffle and a second baffle are arranged at the openings, one end of the first baffle is movably connected with the blanking plate, and one end of the second baffle is also movably connected with the blanking plate; and the other ends of the first baffle and the second baffle are connected through a spring. By arranging the blanking plate, short hemp waste, plush and the like sucked into the dust removal box can directly fall into the dust hopper, and blockage caused by direct contact with the filter screen is avoided.