Cleaning tower for desulfurization of flue gas

摘要

The present invention relates to a washing tower for a combustion gas desulfurization plant having an absorption zone, a washing liquid container (2), an apparatus (13) for supplying additives to the washing liquid container (2), and a circulation device (9) connected to the washing liquid container. It is about. The circulation device 9 includes a suction pipe 10, a pump 11, and a plurality of return cleaning pipes 12 connected to the upper region of the washing liquid container 2.;According to the invention, the cylindrical wash liquor 2 has a flat bottom 8. The return cleaning tube 12 of the circulation device 9 which is operated during the steady state operation of the washing tower is joined to the washing liquid container 2 near the bottom. The additive supply device 13 is connected to the circulation device 9.