Tail gas recovery device

The utility model discloses a tail gas recovery device, which relates to the technical field of environment-friendly recovery, and comprises a first synthesis tank, a second synthesis tank, a spray tower and an induced draft fan, the first synthesis tank is provided with a first raw material inlet, a second raw material inlet, a tail gas outlet and a first liquid outlet; the second synthesis tank is provided with a first raw material receiving port, a second raw material receiving port and a second liquid outlet, and the first raw material receiving port is communicated with the first liquid outlet; the spraying towers are communicated in sequence, each spraying tower is communicated with the second raw material inlet, the first-stage spraying tower is further communicated with the tail gas outlet, and a plurality of spraying layers are arranged in the spraying towers and are arranged in the vertical direction; and the induced draft fan is communicated with the last stage of spray tower and is used for guidin