Bottom heat supply type ore bin

The utility model discloses a bottom heat supply type ore bin, including the storehouse body and heating system, the middle part is equipped with the discharge opening at the bottom of the storehouseof the storehouse body, heating system includes heat source and the exothermic pipe that communicates with it, include at the bottom of the storehouse of the storehouse body from the structural layer,heat insulation layer, protective layer and the surface course that up set gradually down, exothermic pipe lays and lie in the protective layer on the heat insulation layer, the heat source sets up in the storehouse externally to the heat supply of exothermic pipe. The utility model discloses a set up to structural layer, heat insulation layer, protective layer and surface course at the bottom ofthe storehouse with the storehouse body to the pipe that will send out heat lays and lie in the protective layer on the heat insulation layer. The impact that utilizes protective layer and surface course to bear the ore on the