Asphalt mixing plant

The invention provides an asphalt mixing plant. The asphalt mixing plant comprises a charging device, a drying device, a mixing device and a finished product warehouse which are in sequential communication, wherein the drying device comprises a cold aggregate elevator, a sealing drying tower and a hot aggregate elevator which are in sequential communication; the cold aggregate elevator communicates with a discharge opening of the charging device, and a discharge opening of the hot aggregate elevator communicates with a feed opening of the mixing device; the sealing drying tower is arranged between the cold aggregate elevator and the hot aggregate elevator, so that in the drying process, dust and smoke can be effectively prevented from overflowing, the pollution of the dust and flue gas is eliminated, the requirement for environmental protection in the production process is met, and the environmental protection performance in the production process is improved.