The invention provides a dtex metallurgical furnace, belonging to the technical field of metallurgical equipment. The metallurgical furnace consists of a furnace frame 1, furnace hearths 4 and 7 arranged on the furnace frame 1, a channel 20 respectively connected with the furnace hearths 4 and 7, a furnace body 5 connected with the upper parts of the furnace hearths 4 and 7, and a furnace cover 6 arranged above the furnace body 5; wherein, a. the furnace hearths 4 and 7 which are round, quadrate or polygonal are respectively provided with discharge outlets 2 and 3 as well as 8 and 9, and sides of the furnace hearths 4 and 7 are provided with material transferring holes 19 and 21 that are respectively communicated with the channel 20; b. the central part of the furnace cover 6 is provided with a smoke extraction vent 12, the two sides of which are provided with feeding holes 10 and 14, jet orifices 15 and 18, furnace hearth pool depth measurement holes 11 and 13 as well as auxiliary burner inserting holes 6 and 17 that are respectively aligned to the furnace hearths 4 and 7. The invention integrates the functions of smelting and blowing, and has the advantages of simple structure, short process flow, low energy consumption, little investment and good operating environment, so as to be widely applied to smelting of copper, nickel, aluminum, tin and zinc.