Device for recovering heat from high-temperature molten slags through physical and chemical methods

The invention provides a device for recovering heat from high-temperature molten slags through physical and chemical methods, and belongs to the technical field of treatment of metallurgical slags. The device comprises a high-temperature molten slag flowing guide device, a circular metal barrel, a solid slag recovering bin, a pulverized coal spurting gun, a pulverized coal conveying pipeline, a liquid water or water vapor or carbon dioxide spurting gun, a conveying pipeline and a coal gas heat recovering bin, wherein the circular metal barrel is positioned above the solid slag recovering bin; the high-temperature molten slag flowing guide device extends into the circular metal barrel, and the circular metal barrel is connected with the coal gas heat recovering bin; the solid slag recovering bin is externally connected with the liquid water or water vapor or carbon dioxide spurting gun and the conveying pipeline. According to the device, a chemical method and a physical method are combined to use to efficientl