Improved limestone/lime-gypsum wet flue gas desulphurization technology
A technology of wet flue gas desulfurization and limestone, which is applied in the field of preventing wet desulfurization slurry poisoning and improving limestone/lime-gypsum wet flue gas desulfurization process, which can solve problems such as low desulfurization efficiency, impure gypsum products, and easy poisoning , to achieve high desulfurization efficiency, eliminate poisoning accidents, and reduce emission reduction capabilities
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[0033] Attached figure 1 The oxidation desulfurization device shown is used for industrial production, and more than two devices can be connected in series. The main body of the oxidation desulfurization device includes an absorption tower, a circulating slurry pump and an oxidation air system. The interior of the absorption tower is mainly divided into an absorption zone and a slurry zone. During normal operation, the height of the slurry zone is 7.5m from the bottom, and the area above the height of 7.5m is the absorption zone. There is a gypsum outlet at the bottom of the slurry area, which is connected to the slurry discharge pump. The slurry area is equipped with a network-type oxidation air duct at the lower part. The oxidation air duct is preferably set within the range of 2.7 from the bottom of the slurry area. There are a large number of micropores on the surface of the oxidation air duct. The oxidation air duct is mainly used to uniformly distribute the oxidation air...
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