Metal melting furnace

The utility model relates to the technical field of metal melting furnaces, and discloses a metal melting furnace which comprises an outer furnace capable of overturning and dumping, an inner furnace mounted in the outer furnace, a liquid outlet formed in the periphery of a furnace opening of the inner furnace, and a hearth pedestal arranged at the bottom of the outer furnace, a communicated clearance space is formed between the bottom of the inner stove and the hearth pedestal, a communicated clearance space is formed between the outer vertical face of the inner stove and the outer stove, and the stove wall of the outer stove is provided with an air duct communicated with the clearance space and the outside. The temperature of metal flowing through the liquid outlet can be kept during pouring, so that the problem that the liquid outlet is blocked due to cooling of the metal is solved. 本实用新型涉及金属熔化炉的技术领域，公开了一种金属熔化炉，包括能够翻转倾倒的外炉、安装于所述外炉之中的内炉、设置于所述内炉炉口周缘的出液口、以及设置于所述外炉底部的底炤台座，所述内炉的底部与所述底炤台座之间、所述内炉的外立面与所述外炉之间具有连通的间