Device for continuously recovering high-content phosgene from tail gas of isocyanate production

The utility model discloses a device for continuously recovering high-content phosgene from tail gas of isocyanate production. The device comprises an absorption tower and a stripper, wherein the tower top of the absorption tower is connected with a draught fan which is used for discharging residual gas to a tail gas treatment system, the tower top of the absorption tower is also connected with a solvent storage tank which is used for conveying a solvent to the absorption tower, the tower bottom of the absorption tower is connected with a tail gas buffer tank, and the tower bottom of the absorption tower is also connected with the tower top of the stripper to convey a solvent solution after absorbing phosgene to the stripper; and the tower bottom of the stripper is connected with the tower top of the absorption tower, and the tower top of the stripper is connected with a phosgene buffer tank so as to convey the high-content phosgene to a user by virtue of the phosgene buffer tank. In the device disclosed by the utility model, the absorption tower and the stripper are adopted to continuously recover the high-content phosgene from the tail gas of isocyanate production; and the device is suitable for recovering the high-content phosgene in all production processes of isocyanate, can effectively improve the utilization rate of phosgene, and can enlarge the application of recovered phosgene at the same time.