The invention discloses pneumatic conveying equipment. The pneumatic conveying equipment comprises a feeding bin, a hopper, a material amount adjusting device, a rubber sealing ring, a mixing tank, afan and a material storage device, wherein the feeding bin is connected with the hopper through the rubber sealing ring, the lower end of the hopper is funnel-shaped, and a discharging port is formedin the bottom of the hopper; the material amount adjusting device comprises a driving lifting device, an adjusting rod and a cross beam, the cross beam is arranged in the hopper, the driving lifting device is fixed on the cross beam, the adjusting rod is connected with the driving lifting device and performs lifting motion under the driving of the driving lifting device, and the bottom of the adjusting rod is in an inverted cone shape; the bottom of the adjusting rod is suspended in the center of the discharging port, the discharging port is connected with the mixing tank, the mixing tank is connected with the material storage device, and the top of the material storage device is connected with the fan. By the adoption of the pneumatic conveying equipment, the function of adjusting the discharging amount of the discharging port in unit time and ensuring the uniform discharging of the hopper can be realized, thereby ensuring uniform conveying of material.