The invention discloses a double-layer well wall with radial connecting components, and relates to the technical field of mine construction engineering. The double-layer well wall comprises an outer-layer well wall body, an inner-layer well wall body, an interlayer and a connecting component. The connecting component comprises a connecting component outer-layer section and a connecting component inner-layer section which are in lap joint. A prestress tray is arranged at the end, away from the outer well wall, of the connecting component inner layer section in a sleeving mode and welded to theconnecting component inner layer section. According to the double-layer well wall, the connecting components are arranged between the double-layer well wall bodies in the radial direction, radial connection between the inner-layer well wall body and the outer-layer well wall body is achieved, and the integrity of the well wall is improved; a pre-stress tray is sleeved at one end, far away from theouter well wall, of the inner layer section of the connecting component; and the pre-stress effect between the inner-layer well wall and the outer-layer well wall is achieved, the bearing connectionand load transmission of the inner-layer well wall and the outer-layer well wall are increased, the design thickness of the inner-layer well wall is reduced on the premise of guaranteeing that the shaft can bear higher water pressure in the deep portion, and the engineering cost is reduced.