Dry vacuum dust collection system

The utility model discloses a dry-method vacuum dust collection system, and relates to the field of dry-method dust collection. The dry method vacuum dust collection system comprises a first dust collection box, and an air inlet pipe and a connecting pipe are arranged on the two sides of the first dust collection box respectively; the side wall of the second dust collecting box is fixedly connected with the connecting pipe, a filtering layer is arranged in the second dust collecting box, the interior of the second dust collecting box is divided into an air purifying bin and a dust collecting bin through the filtering layer, a plurality of dust collecting cloth bags are arranged in the dust collecting bin, and an exhaust pipe is fixedly connected to the top of the second dust collecting box. According to the dry-method vacuum dust collection system, through dual collection of the first dust collection box and the second dust collection box, the collection amount of silicon powder is greatly increased, and comp