Coarse iodine recovery device

The utility model discloses a coarse iodine recovery device which comprises a sublimator, a conveying pipeline, a desublimer and a receiver; the desublimer comprises a U-shaped desublimation cavity, a desublimation roller and a power device; a scraper is arranged on the first side wall of the U-shaped desublimation cavity; the desublimation roller is arranged at the port of the U-shaped desublimation cavity; the desublimation roller is against the scraper; a certain distance is left between the second side wall of the U-shaped desublimation cavity and the desublimation roller; the power device is connected with the desublimation roller; both ends of the conveying pipeline are respectively communicated with the bottom ends of the sublimator and the U-shaped desublimation cavity; the receiver is arranged below the first side wall of the U-shaped desublimation cavity; and according to the coarse iodine recovery device, firstly a heat exchange area is increased by making full use of a rolling outer wall; and secondly, iodine directly enters the receiver through the scraper without manual operation, so that continuous operation can be realized, the labor intensity of a laborer is reduced, and valuable labor resources are saved.