Boiler with spiral tail gas waste heat recovery structure

The utility model relates to the technical field of yellow phosphorus production, in particular to a boiler with a spiral tail gas waste heat recovery structure, which comprises a bottom plate, a boiler body with an opening at the top is arranged above the bottom plate, a boiler cover matched with the boiler body in size is arranged on the top surface of the boiler body, and two lifting lugs are fixed on the top surface of the boiler cover. A heat exchange barrel located on the right side of the furnace body is arranged above the bottom plate, the recycling mechanism is arranged in the heat exchange barrel and used for recycling heat of tail gas generated by the furnace body, and the recycling mechanism comprises an air inlet pipe fixed to the surface of the right side of the furnace body and communicated with the interior of the furnace body and a spiral heat exchange pipe fixed to the inner top face of the heat exchange barrel. Water needing to be heated can be contained by arranging the heat exchange cylin