Underground material receiving type compound fertilizer granulation tower

The utility model discloses an underground material receiving type compound fertilizer prilling tower which comprises an underground tower base section, and an air inlet section, a crystallization cooling section, a pulping equipment section and a tower top air outlet section which are sequentially arranged on the ground from bottom to top, and is characterized by further comprising a material receiving section which is arranged underground, and the material receiving section is used for receiving materials by utilizing the space of the underground tower footing section. The backfill section of the underground tower footing is used as the material receiving section, and the air inlet section is lowered to the ground level, so that the total degree of the tower is lowered under the condition that the effective height of the tower is not changed, the construction difficulty is reduced, the construction cost of the tower is reduced, and the construction cost can be saved by about one million yuan for an enterpri