Method suitable for utilization of resource of sintering flue gas desulphurization waste solution
A technology for desulfurization waste liquid and sintering flue gas, applied in chemical instruments and methods, separation methods, inorganic chemistry, etc., can solve the problems of a large number of site stacking, secondary pollution, low utilization rate of desulfurization products, etc., and reduce the overall operating cost. , high quality, and the effect of realizing environmental protection benefits
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[0024] a) The desulfurization waste liquid is transported to the cyclone separator 2 through the ammonium sulfate slurry pump 1 and the pipeline system;
[0025] b) The slurry achieves partial solid-liquid separation in the cyclone separator, the upper part containing low-concentration ammonium sulfate solution is transported to the ammonium sulfate feed liquid tank 9 through the pipeline, and the lower high-concentration ammonium sulfate solution is transported to the thickener 3 through the pipeline ;
[0026] c) The high-solid ammonium sulfate solution thickened by the thickener 3 enters the centrifuge 4 through the overflow pipe at the bottom of the thickener;
[0027] d) The ammonium sulfate slurry continues to separate solid and liquid in the centrifuge 4 to obtain ammonium sulfate particles with a water content of less than 5%, and the ammonium sulfate mother liquor enters the ammonium sulfate feed liquid tank 9;
[0028] e) Ammonium sulfate particles enter the dryer 5, and...
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