Bituminous mixing plant

The utility model provides a bituminous mixing plant, including loading attachment, drying device, agitating unit and the finished product storehouse that communicates in proper order, drying device includes cold burden lifting machine, airtight dryer and the hot elevator that communicates in proper order, wherein, the cold burden lifting machine with loading attachment's discharge gate is linked together, the discharge gate of hot elevator with agitating unit's feed inlet is linked together. This technical scheme through setting up airtight dryer between cold burden lifting machine and hot elevator, can effectively prevent the excessive of dust and smoke and dust at the stoving in -process of cold burden, eliminates the pollution of dust and flue gas, satisfies the environmental demand of production process, the feature of environmental protection of the process of improving production.