Evaporation drying device for reverse osmosis membrane concentrated solution

The utility model belongs to the technical field of evaporation drying, and discloses a reverse osmosis membrane concentrated solution evaporation drying device which comprises a support, an evaporation tank and a drying box, and the evaporation tank and the drying box are arranged on the support and connected. The evaporation tank comprises a distribution chamber, a heating chamber arranged below the distribution chamber and a concentration chamber arranged below the heating chamber; a circulating inlet is formed in the side wall of the distribution chamber, a circulating outlet is formed in the side wall of the concentration chamber, and a circulating pump is arranged on the side face of the evaporation tank and connected with the circulating outlet and the circulating inlet; a first steam inlet and a first steam outlet are formed in the side wall of the heating chamber; the drying box comprises a shell, a concentrated liquid inlet is formed in the shell, a concentrated liquid outlet is formed in the side w