Laboratory water net dust removal device

The invention relates to the field of dust removal, and discloses a laboratory water network dust removal device which comprises a negative pressure box, one end of the negative pressure box is provided with an opening, the other end of the negative pressure box is provided with a negative pressure pump, the opening is provided with a panel, the middle of the panel is provided with a dust removal assembly, and the dust removal assembly is close to a water network pipeline; at least one set of dust removal assembly is arranged on the panel, each set of dust removal assembly comprises a first brush rod and a second brush rod, and the first brush rod and the second brush rod are symmetrically installed on the panel side by side; and the dust suction port penetrates through the inner side and the outer side of the panel. The external driving device drives the first brush rod and the second brush rod to move up and down, and the first brush rod and the second brush rod are in a vertical strip shape, so that the fi