Dust removal device used in field of environmental protection

The utility model provides a dust collection device used in the field of environmental protection. The dust collection device comprises a dust collector head, a negative pressure fan, a dust storage box, a water storage box, a water outlet pipe, a water pump and a collection box, the dust collector head is communicated with an air inlet of the negative pressure fan through an air pipe, an air outlet of the negative pressure fan is communicated with the dust storage box through an air pipe, and the water outlet pipe is communicated with a water outlet of the water pump. A water inlet of the water pump communicates with the water storage tank; a plurality of nozzles are formed in the side wall of the water outlet pipe, atomizing nozzles are arranged at the nozzles, the water pump is communicated with the water storage tank through a guide pipe, the water outlet pipe is spirally arranged in the dust storage tank, and the water pump is used for pumping water stored in the water storage tank to the atomizing nozzl