How to deal with scaling in the desulfurization tower pipeline

1) The forced oxidation process is adopted to make the oxidation reaction completely complete, and the oxidation rate of calcium sulfite is controlled to be above 95%, and a sufficient density of gypsum seed crystals is maintained in the slurry.
2) Strict dust removal, prevent nozzle clogging.
3) Control the evaporation rate and evaporation of moisture in the absorption solution. The maximum degree of supersaturation of the gypsum in the solution during operation is no more than 130%.
4) Control the pH of the solution, especially avoid drastic changes in pH during operation.
5) Add calcium sulfate dihydrate or calcium sulfite seed crystals to the absorption solution.
6) Add additives such as magnesium ion and oxalic acid to the absorption liquid.
7) Properly increasing the liquid-gas ratio is an important technical measure for system fouling and clogging.

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