Blast furnace slag quantified diverter device

The utility model discloses a blast furnace slag quantified diverter device. The blast furnace slag quantified diverter device comprises a three-way diversion slag runner, a shutoff gate and a shutoff gate operating device. The three-way diversion slag runner comprises a main slag runner and slag diversion branch ports formed in the side walls of the main slag runner, one end of the main slag runner is provided with a slag inlet, and the other end of the main slag runner is provided with a slag outlet; the shutoff gate is arranged inside the main slag runner between the slag outlet and the slag branch ports; the shutoff gate operating device controls operation of the shutoff gate. The blast furnace slag quantified diverter device can achieve the aim of divert a small amount of slag from a blast furnace slag runner in a quantified mode and is easy to implement, low in fault rate and convenient to maintain.