Metal melting device

The utility model belongs to a metal melting device, in particular to a metal melting device which prevents the harmful gas polluting the environment when the metal is melted, and is suitable for the block shaped and bar shaped metal having different sizes. A waste liquid outlet (1) is arranged on the bottom of the tank body (3) of the metal melting device; a metallic solution outlet (2) is arranged on the side wall of the lower part of the tank body (3); a metal feeding hole (4) is arranged on one side of the top of the tank body (3); the other side of the top of the tank body (3) is provided with a stirring device (5); a cooling water jacket (7) is coated on the outer wall of the lower part of the tank body (3), and a water outlet (8) is arranged on the lower part of the cooling water jacket (7); the upper part of the cooling water jacket (7) is provided with a water inlet (9); a mixing paddle (11) on the stirring shaft (10) of a stirring device (5) is positioned on the lower part in the tank body (3); a baffle plate (6) is arranged in the tank body (3) at the position of the metal feeding hole (4). The metal melting device solves the problems such as overswelling, waste heat utilization, device scaling, etc.