The application and consumption of process water for desulfurization device were analyzed and calculated

based on actual operating data of limestone-gypsum wet flue gas desulfurization equipment for a 600 MW unit under full load condition

and the water balance diagram was established

too.Analysis indicates that

the water balance of desulfurization system is closely related to parameters such as flue gas flow of the boiler

inlet and outlet temperature of the desulfurization unit

and so on.The quantity of evaporated water in the absorber accounts for more than 90 percent of the system water consumption.Finally

the corresponding water-saving measures are put forward.For example

lower the temperature of inlet gas;use low-temperature economizer;introduce coal-washing water into limestone slurry making;collect and make use of condensate water in the chimney and flue

etc.