Full-bore high-temperature-resistant eccentric semi-ball valve

The utility model relates to the technical field of eccentric semi-ball valves, in particular to a full-bore high-temperature-resistant eccentric semi-ball valve which comprises a main valve body and a sub-valve body, an upper valve rod and a lower valve rod are arranged at the top and the bottom of the main valve body respectively, an eccentric ball valve is installed between the upper valve rod and the lower valve rod, a valve seat is installed in the sub-valve body, and the upper valve rod and the lower valve rod are arranged on the valve seat. The main valve body is tightly attached to the branch valve body, a screw rod is fixedly welded to the side, close to the branch valve body, of the main valve body, and the screw rod penetrates through the branch valve body. According to the eccentric semi-ball valve, the screw, the first nut and the protection mechanism are arranged, the valve body of the eccentric semi-ball valve is designed into a split type, namely the main valve body and the branch valve body,