A dry dust collector for mines, comprising a base, a sealing device is provided on one side of the bottom of the base, an ash storage box is provided at the bottom of the sealing device, a pull ring is provided on the ash storage box, and the ash storage box Slide rails are provided on both sides, brackets are provided on both sides of the slide rails, an air inlet is provided on one side of the top of the base, a filter box is provided on one side of the air inlet, and a drying device is provided on one side of the filter box , the top of one side of the inner chamber of the drying device is provided with a drying element, the middle part of the inner chamber of the drying device is provided with an impeller, the impeller is provided with blades, and the bottom of the inner chamber of the drying device is provided with an arc-shaped slide plate , one side of the drying device is provided with a blowing soot cleaner, one side of the blowing soot cleaner is provided with an ash conveying mechanism, one side of the ash conveying mechanism is provided with an air outlet, and the air outlet is one A fan is provided on the side, the invention is energy-saving, environment-friendly, convenient to use and has market promotion value.