Adding device for old road asphalt cold recycling adhesive

The invention relates to the technical field of pavement cold recycling, in particular to a road old asphalt cold recycling adhesive adding device which comprises a main tank body, a mixing cavity is formed in the main tank body, the bottom of the mixing cavity quantitatively supplies materials into a mixing device of a cold recycling machine through a gear pump, and an inclined flow guide ring is arranged on the inner wall of the mixing cavity; and a heat supply device for heating the gear pump is mounted on the gear pump. According to the road old asphalt cold recycling adhesive adding device provided by the invention, the heating circulating device can be matched with an inclined flow guide ring, a heat conduction pipe and a mixing device to improve the heating efficiency of an adhesive material, so that the temperature of the material is increased more quickly; meanwhile, the mixing device and the lifting device can be used for better mixing adhesive materials, so that the preparation time of the adhesive