Coal mine connection roadway sealing wall and sealing method thereof

The invention discloses a coal mine connection roadway sealing wall and a sealing method thereof. The coal mine connection roadway sealing wall comprises a split assembly type wall body and an air bag type positioning sealing ring, wherein the outer contour of the split assembly type wall body and an inner ring of the air bag type positioning sealing ring are both rectangular, the air bag type positioning sealing ring is arranged on the outer side of the periphery of the split assembly type wall body in a sleeving mode, the air bag type positioning sealing ring is connected with an inflation assembly and a deflation assembly, and after the air bag type positioning sealing ring is inflated and expanded, the inner ring and an outer ring are respectively in compression joint sealing with the outer side of the periphery of the split assembly type wall body and in compression joint sealing with a top plate, a bottom plate and two sides of the connection roadway. According to the coal mine connection roadway sealin