The invention relates to the technical field of blasting charging, and particularly discloses a medium-length hole charging and returned
powder recycling device for blasting. The medium-length hole charging and returned
powder recycling device for blasting comprises a positioning ring and a PLC, wherein the positioning ring can be placed in a blasting hole, an air guide ring is arranged inside the positioning ring, an
air pump communicates with the air guide ring, a plurality of clamping pistons communicating with the air guide ring are arranged on the positioning ring, a recycling bag is arranged on the positioning ring, a limiting sleeve is arranged inside the recycling bag in a penetrating mode, a feeding
pipe is slidably arranged inside the limiting sleeve, a compaction base is arranged at the end, located inside the blasting hole, of the feeding
pipe, an air inlet
pipe is arranged on the outer wall of the feeding pipe, a plurality of compaction air cylinders communicating with the air inlet pipe are arranged on the compaction base, the air inlet pipe communicates with the
air pump, the compaction air cylinders and the
air pump are both electrically connected with the PLC, and the working ends of the compaction air cylinders penetrate through the compaction base and are fixedly connected with auxiliary compaction plates. The medium-length hole charging and returned
powder recycling device aims to solve the problem that when explosives are placed in a blasting hole in traditional mining blasting, the explosives are not recycled when falling out of the blasting hole.