Recycling device for regenerated waste liquid of desalting tank

The utility model discloses a recycling device for regenerated waste liquid of a desalting tank, which comprises the desalting tank, a waste liquid tank, a waste liquid pump, an acid mist absorption tower, an absorption pump and a concentrated alkali tank, and a drain outlet of the desalting tank is connected with a liquid inlet of the waste liquid tank through a waste liquid pipe I; a liquid outlet of the waste liquid tank is connected with an inlet of the waste liquid pump through a waste liquid pipe II; the acid mist absorption tower is provided with a sulfuric acid flue gas inlet, a sulfuric acid flue gas outlet, a liquid inlet, a liquid outlet and a spraying mechanism; an outlet of the waste liquid pump is connected with the liquid inlet of the acid mist absorption tower through a waste liquid pipe III; a waste liquid outlet of the acid mist absorption tower is connected with an inlet of the absorption pump through a conveying pipe I; an outlet of the absorption pump is divided into two paths, one path i