Shunting device and shutdown system of high-temperature gas cooled reactor

The invention relates to the technical field of air-cooled reactor shutdown, in particular to a flow dividing device and a high-temperature air-cooled reactor shutdown system.The flow dividing device comprises a containing mechanism, a flow dividing mechanism and a flow dividing mechanism, the flow guide mechanism comprises a straight-through piece and a bent pipe which are fixedly arranged at the bottom end of the containing body, a first threaded connecting piece fixedly arranged at the bottom end of the straight-through piece, and a second threaded connecting piece fixedly arranged at the end of the bent pipe. The size specification of the first threaded connecting piece is the same as the size specification of the second threaded connecting piece, the containing body comprises a containing barrel and a containing groove formed in the containing barrel, and by replacing the upward jacking mechanisms of different specifications and lengths, the threaded end and the first threaded connecting piece can be con