Oxygen-rich side blowing melting furnace for complex and refractory gold concentrate

The utility model discloses an oxygen-rich side blowing melting furnace for complex and refractory gold concentrate. The melting furnace comprises a heating zone and a reaction zone, wherein the heat zone and the reaction zone are connected to be a whole body; a cooling water sleeve is arranged surrounding the side walls of the reaction zone, and the cooling water sleeve comprises three layers which can independently be dismounted; the three layers of the cooling water sleeve of the side wall of the reaction zone comprise two air exits; a compact high temperature resistance and heat insulation paint is embedded in the cooling water sleeve and a contact area of the melting furnace, and outer layers of a fireproof layer in the furnace and on a furnace roof of the melting furnace are all coated with a high temperature resistance and heat insulation material of 5-10mm; and a slag and gold matte separating zone is arranged on one end of the melting furnace, the gold matte and the slag are respectively discharged f