Pulverized coal fluidizing and injection device for blast furnace

The invention relates to a pulverized coal fluidizing and injection device for a blast furnace. The pulverized coal fluidizing and injection device for the blast furnace comprises an injection chamber and a fluidizing chamber; the fluidizing chamber is arranged below the injection chamber; the fluidizing chamber communicates with the injection chamber through a fluidizing plate; after entering the injection chamber from one side of the injection chamber, a pulverized coal conveying pipe vertically bends downward; after entering the injection chamber from the other side of the injection chamber, a pulverized coal blowdown pipe extends into the pulverized coal conveying pipe; a fluidizing gas inlet pipe extends into the fluidizing chamber; the outlet end of the fluidizing gas inlet pipe is provided with a fluidizing gas distribution device; and the fluidizing gas distribution device is located in a central region of the fluidizing chamber. The pulverized coal fluidizing and injection device disclosed by the inv