A spray drying desulphurization unit for cement plant

The utility model discloses a spray drying desulphurization unit for cement plant, including the quick lime warehouse, its and living lime digestion headtotail, this life lime digestion system is including joining in marriage thick liquid jar and supporting agitator and slaked lime thick liquid configuration pump for carry the desulfurizer to store and conveying system after configuring quick lime into slaked lime, this desulfurizer is stored and conveying system includes that slaked lime thick liquid jar and supporting agitator and slaked lime thick liquid supply the stuff pump for be sent to injection system with slaked lime thick liquid in the slaked lime thick liquid jar, this injection system comprises distribution pipe network and spray gun, should distribute the pipe network to have two sets, and one set of spouting point sprays a little at raw mill air inlet floss hole at humidification tower, another cover, the lime -ash that flue gas desulfurization reaction produced gets into the raw mill. The utility model discloses desorption SO2 and SO3 efficiency can reach more than 90%, and this system is simple relatively, can satisfy the environmental protection requirement, have reduced cement enterprise desulfurization cost again.