Blasting cartridge for presplitting blasting

The invention discloses a blasting cartridge for pre-splitting blasting, and particularly relates to the technical field of blasting cartridges, the blasting cartridge comprises a lower end socket, a charging pipe is arranged on one side of the lower end socket, the charging pipe is made of a polyvinyl chloride material, and a third-level coal mine allowable emulsion explosive filling strip is arranged in the charging pipe; an upper sealing head is arranged at the end, away from the lower sealing head, of the charging pipe. The explosive charging pipe and the third-level coal mine allowable emulsion explosive filling strip are arranged, coal mine allowable third-level explosives with high safety are adopted as raw materials, the polyvinyl chloride pipe is adopted as a packaging material, and the blasting emulsion explosive column with the length being 1000 mm and the diameter being 50 mm, 63 mm and 75 mm is prepared; the safety, charging efficiency and blasting effect of coal mine presplitting blasting are im