Safe economical square billet caster tundish casting control device

Disclosed is a safe economical square billet caster tundish casting control device. The safe economical square billet caster tundish casting control device comprises a fixed base plate; a bracket is arranged below the middle left portion of the fixed base plate; a water nozzle bearing frame is arranged between the fixed base plate and the bracket; a reversing bracket is arranged below the middle right portion of the fixed base plate; the water nozzle bearing frame is provided with a cast-on lower water nozzle, a hole burning plug plate, a casting lower water nozzle, an inner side ejector block and an outer side ejector block which are closely arranged in turn; a sand blocking plate is arranged below the cast-on lower water nozzle; the water nozzle bearing frame is provided with an opening plate, an opening plate locking groove, a locking clasp and an opening plate driving gear; an air brick is arranged inside the hole burning plug plate; a stepper cylinder is arranged on the water nozzle bearing frame; the reversing bracket is provided with a reversing plate which is provided with a reversing groove and a straight gear; the straight gear is meshed with a locking main gear; the locking main gear is meshed with a locking gear; a reversing cylinder is arranged on the reversing bracket. According to the safe economical square billet caster tundish casting control device, the remote control operation of the transposition process of the cast-on lower water nozzle, the hole burning plug plate and the casting lower water nozzle and the replacement process of the casting lower water nozzle can be implemented.