Dead steam recycling system

The utility model discloses a dead steam recycling system which comprises a fixed discharging tank, a dead steam recycling device, a water-water heat exchanger and a demineralized water supplementing pipe. The dead steam recovery device comprises a water storage tank and a rotating film absorber; the rotating film absorber is arranged at the top of the water storage tank, the top of the fixed discharging tank is connected with a dead steam discharging pipe, the dead steam discharging pipe is connected with an air inlet of the rotating film absorber through a dead steam conveying pipe, and a liquid outlet of the rotating film absorber is connected with a liquid inlet of the water storage tank; a first drainage pipe at the bottom of the water storage tank is connected with a water quality sampling pipeline which is respectively connected with a demineralized water system and a water collecting tank; a second drainage pipe at the bottom of the water storage tank is connected with a liquid inlet of the water-wate