Down spraying equipment

The invention provides down spraying equipment, and belongs to the technical field of machinery. The down spraying equipment comprises a down blowing cavity, and an outlet is formed in the bottom of the down blowing cavity; the first air pipe is located at the outer bottom of the down blowing cavity and located on one side of the outlet, the first air pipe is provided with a first air blowing hole, and the first air blowing hole is formed downwards; the second air pipe is arranged on the other side of the outlet, and the second air pipe is provided with a plurality of second air blowing holes facing the first air pipe; the third air pipe is arranged in the down blowing cavity and located above the outlet, the third air pipe is provided with a third air blowing hole and a fourth air blowing hole, the air blowing direction of the third air blowing hole is inclined upwards and is aligned to the first wall of the down blowing cavity, and the air blowing direction of the fourth air blowing hole is arranged downwar