Abstract: The present invention provides a valuable metal recovery apparatus capable of discharging clean exhaust gas. The apparatus 1 includes a furnace body 2; a heating container 3; a first combustion burner 10 for supplying heated gas into the furnace body 2; a tower 4 projecting upward from the furnace body 2; a gas combustion chamber 5 communicating with the tower 4 and being used for receiving unburned gas generated upon heating of a material to be treated; a second combustion burner 11 for supplying heated gas into the gas combustion chamber 5; a gas introducing passage 7 for introducing combustion gas generated in the gas combustion chamber 5 into the furnace body 2; a flue 21 for discharging the combustion gas in the furnace body 2 to the outside; and a support 8 supporting the furnace body 2 such that the furnace body 2 can be tilted.