Ventilating stopper rod with temperature measurement function

A ventilating stopper rod with a temperature measurement function, characterized in that the stopper rod comprises a rod body (3), a rod head (2), a temperature measurement unit (1), a connecting pipe (5) and exhaust passages (6);

• wherein the rod body (3) is a hollow structure;
• the upper end of the rod body is connected with the connecting pipe (5);
• the lower end of the rod body (3) is connected with the rod head (2);
• the temperature measurement unit (1) is used for measuring the temperature of the molten steel and is a tubular structure with a closed end and an open end;
• the open end of the temperature measurement unit (1) is connected with the rod head (2) and communicated with the inner cavity of the rod body (3);
• the closed end of the temperature measurement unit (1) extends out from the lower end of the rod head (2) and is exposed from the rod head (2);
• a plurality of exhaust passages (6) are arranged;
• inlet ends of the exhaust passages (6) are communicated with the inner cavity of the rod body (3) or the rod head (2);
• and outlet ends of the exhaust passages (6) are connected with the outer surface of the rod head (2) and communicated with the outside.