Blasting dust collection device with negative pressure pipeline

The invention discloses a blasting dust collection device with a negative pressure pipeline, and relates to the field of blasting. The blasting dust collection device comprises a water storage tank, wherein a power assembly mounting box is arranged at the upper end of the water storage tank; a dust suction box is arranged at the upper end of the power assembly mounting box; a water turbine is arranged at the lower end of the interior of the power assembly mounting box; a driving motor is fixedly arranged at the upper end of the water turbine; an air impeller is arranged in the dust suction box; the upper part of the interior of the dust suction box is provided with an air guide cavity; an arc dust suction plate is arranged above an air guide pipe; a plurality of dust suction holes are formed in the upper surface of the arc dust suction plate; a dust discharge cloth bag is arranged at an outlet of a dust discharge pipe in a sleeving mode; and a collecting box is arranged on one side ofthe water storage tank. A