Three-stage desulfurizing separator

The utility model relates to a three-stage desulfurizing separator, composed of a casing provided with two water bath rooms and a filter screen dust filtering chamber, an air leading pipe, an ash discharging auger, a water and ash discharging valve on the tail end of the ash discharging auger, an annular filter screen, an upper and a lower rollers for supporting the filter screen, a speed reducer, a filter screen dust-separating water nozzle and a water supplying tank. The utility model has simple structure, the dust separating efficiency of the utility model can reach more than 98 percents, and the desulfurizing efficiency of the utility model can reach more than 80 percents. After coal burning boilers and kilns use the three-stage desulfurizing separator, the coal burning boilers and kilns can reach the national smoke discharging standard, the Ringelman smoke and dust discharging blackness of the coal burning boilers and kilns is less than one level, the smoke and dust discharging concentration of the boilers is less than 150 mg / meter 3, the smoke and dust discharging concentration of the kilns is less than 250 mg / meter 3, and the SO 2 discharging concentration of the coal burning boilers and kilns is less than 1430 mg / meter 3.