Multi-nozzle spouted fluidized bed and simulation analysis method

The invention discloses a multi-nozzle spouted fluidized bed and a simulation analysis method. The multi-nozzle spouted fluidized bed comprises a main body and a side nozzle piece, wherein the main body is provided with a flow channel, the main body is provided with an air inlet and an air outlet which are communicated with the flow channel, the flow channel comprises a bottom cone part and a cylinder part which are sequentially arranged in the direction from the air inlet to the air outlet, the inner diameter of the bottom cone part is gradually increased in the direction from the air inlet to the air outlet, the end, which is away from the air inlet, of the side nozzle piece is connected with the inner wall of the bottom cone part or the cylinder part, the end, which is close to the air inlet, of the side nozzle piece is provided with a passing opening, the passing opening and the inner wall of the bottom cone part are spaced to form a ventilation gap, and the side nozzle piece is provided with a plurality