| abstract |
The utility model discloses a kind of high-efficiency desulfurization list tower binary cycle system, comprise the main slurry pool in desulfurizing tower and the deutoplasm liquid pool outside desulfurizing tower, two slurry pools are connected by pipeline, form multi-region pH and control double circulation desulphurization system, wherein, lime stone slurry fills into main slurry pool by deutoplasm liquid pool, and gypsum slurries is discharged by the main slurry pool of desulfurizing tower.The utility model can carry out zonal control to the pH in two slurry pools, and different spraying layer slurries are provided by two slurry pools respectively, and high ph-values slurries are conducive to SOn 2 absorption, realize the desulfuration efficiency of desulphurization system on 99%, low pH is conducive to the oxidation of sulphite and the crystallization of gypsum, improves the dehydration rate of gypsum and gypsum purity. |