Dust removal device for building environment

The utility model relates to the technical field of building environments, and discloses a dust removal device for building environments, which comprises a mounting plate, a spraying mechanism fixedly mounted at the top of the mounting plate, a pressurizing mechanism fixedly mounted at the top of the spraying mechanism, a rotating mechanism fixedly mounted at the bottom of the mounting plate, and a bearing plate arranged at the bottom of the mounting plate. The spraying mechanism comprises a water storage tank, a main pipeline, a branch pipe and an atomizing nozzle, the water storage tank is fixedly mounted at the top of the mounting plate, the main pipeline is fixedly mounted at the top of the water storage tank, and the bottom of the branch pipe is fixedly connected with one end of the main pipeline. An extrusion sheet extrudes the plastic box to realize intermittent water spraying, an atomizing nozzle atomizes water to enlarge the spraying range, a super-large water storage tank can prolong the working tim