Flow-stabilizing and residue-blocking device for continuous casting molten steel tundish

The utility model relates to a flow-stabilizing and residue-blocking device for a continuous casting molten steel tundish. The flow-stabilizing and residue-blocking device comprises a flow stabilizer and a residue-blocking wall matched with the flow stabilizer, wherein the flow stabilizer comprises a flow stabilizer body; the center of the flow stabilizer body is provided with a cavity; the cavity has a structure of which the upper port is larger while the lower port is smaller; the side face of the flow stabilizer body is provided with a steel flow groove communicated with the cavity; the residue-blocking wall comprises a residue-blocking wall body; the residue-blocking wall body has a trapezoidal structure which consists of a planar wall body and two bevel wall bodies arranged at the two ends of the planar wall body and is open in the large port end; the opening of the residue-blocking wall body is matched with the steel flow groove; the horizontal wall body and the bevel wall body of the residue-blocking w