Dust removal device with purification function for environmental engineering construction

The invention discloses a dust removal device with a purification function for environmental engineering construction in the technical field of environmental engineering dust removal, the dust removal device comprises a negative pressure pump, a supporting rod and a dust removal body, the dust removal body is arranged on the supporting rod, the dust removal body comprises a bottom plate, the top of the bottom plate is fixedly connected with a surrounding plate, the inner side of the surrounding plate is provided with a dust removal baffle, and the inner side of the dust removal baffle is provided with an inner ring plate; a plurality of connecting rods are arranged on the inner ring plate in the circumferential direction, the other ends of the connecting rods are fixedly connected with the inner side of the dust removal baffle, a dust cavity is formed between the dust removal baffle and the inner ring plate, and the output end of the negative pressure pump communicates with the dust cavity; a plurality of dus