Two alkaline process dual cycle desulfurization system of sodium calcium

The utility model discloses a two alkaline process dual cycle desulfurization system of sodium calcium mainly can realize in order to provide one kind that the purification of high -sulfur flue gas (SO2 > 10000mgNm3) and the SO2 ultra -clean of conventional flue gas discharge and the design. The utility model discloses two alkaline process dual cycle desulfurization system of sodium calcium, including a reaction tower, soda regeneration pond and soda liquid storage tank, calcium base absorbent liquid storage tank, be equipped with the upper and lower calcium method desulphurization unit who arranges, soda method desulphurization unit in the reaction tower, wherein calcium method desulphurization unit includes the thick liquid collecting pit, and the setting is in thick liquid collecting pit top, with the calcium method desulfurization spray set of calcium base absorbent liquid storage tank intercommunication, the soda collecting pit passes through slurry transportation pipeline intercommunication soda regeneration pond, soda method desulphurization unit includes the clear solution collecting pit, and the setting is in clear solution collecting pit top, with the soda desulfurization spray set of soda liquid storage tank intercommunication, the soda collecting pit passes through clear solution pipeline intercommunication soda regeneration pond.