Vacuum suction assembly for dust recovery and recovery method thereof

The invention relates to the technical field of dust recovery, in particular to a vacuum suction assembly for dust recovery and a recovery method thereof.The vacuum suction assembly comprises a lower box body, an upper box body is arranged at the top of the lower box body, a suction assembly is arranged on one side of the lower box body, a separation assembly is arranged on one side of the upper box body, and a collection assembly is arranged at the bottom of the lower box body; the suction assembly comprises a vacuum pump; according to the device, the pre-cleaning process of the filter cloth bags at different positions is effectively achieved, the inclination angle of the discharging frame is correspondingly adjusted according to different positions, then the stretching and vibration effects of the filter cloth bags are different, and the amount of gas sprayed into the filter cloth bags along the exhaust pipes by high-pressure air pumps at the corresponding positions is correspondingly adjusted; dust is effe