The utility model belongs to the field of production technologies of pellets, in particular relates to a pulverized coal bunker fluidizing and blowing device, comprising a pulverized coal bunker, a collector and a nitrogen pipeline, wherein the lower middle part of the external side of the pulverized coal bunker is provided with an annular conveying pipeline; a group of blowing pipes are evenly distributed and welded along with the annular conveying pipeline; a group of protective covers are arranged outside the group of blowing pipes; a connection pipe is arranged between the pulverized coal bunker and the collector; one group of blowing pipes are connected with the pulverized coal bunker in a sealing manner and stretched into the inside of the pulverized coal bunker; the annular conveying pipeline is connected with the nitrogen pipeline. The pulverized coal bunker fluidizing and blowing device is simple in structure and convenient to construct; the pulverized coal bunker fluidizing and blowing device is mounted outside the pulverized coal bunker, so that the volume in the pulverized coal bunker is not occupied; blind angles are not easy to form between a bunker wall and a fluidizing device, so that the pulverized coal bunker fluidizing and blowing device is good in working efficiency, safe and reliable.