The utility model provides a dust removal device which comprises an air draft pipeline, a dust removal device body and a dust removal device body. The induced draft fan is communicated with the air draft pipeline so as to collect flying dust at the dust discharging opening; the dust remover is communicated with the air draft pipeline, and the dust remover is used for filtering flying dust and removing moisture in the flying dust; the exhaust pipeline is communicated with the induced draft fan; and the dust discharging pipeline is communicated with the dust remover and is used for discharging the treated dust. The problem that in the prior art, wet ash cannot be effectively cleaned in the loading and unloading process is solved.