Contents of temporary shaft torsion

The original bucket lifting is mainly changed to cage lifting, and other auxiliary facilities such as crown block platform, sealing plate and hanging wire rope in the shaft are modified and changed accordingly to meet the needs of lifting, air supply, water supply, drainage and ventilation in the drift construction of the second phase project.

The concrete contents include: unpacking the mouth plate, fixing plate, hanging plate, installing the rope stabilizing beam, refitting the air duct and drain pipe, installing the frame of the lower wellhead cage receiving device, installing two horizontal pumps, connecting the lower drain pipe and the horizontal pumps, distributing the wind and water pipeline, moving the rope stabilizing beam, refitting the crown block platform, installing the tensioner, hanging the tank for trial operation, installing the wellhead safety door, installing the underground damping platform, receiving device and anti-pier tank device.