Limestone-gypsum wet flue gas desulfurization absorption tower slurry defoaming system and method

The invention discloses a slurry defoaming system and method for a limestone-gypsum wet flue gas desulfurization absorption tower. The slurry defoaming system comprises an absorption tower body, a defoaming box, a defoaming agent storage tank and a spraying layer, a spraying layer and a foam-inhibiting liquid sealing device positioned below the spraying layer are arranged in the absorption tower body, and a plurality of through holes of which the inner walls are of zigzag structures are formed in the foam-inhibiting liquid sealing device; an outlet of the defoaming agent storage tank is communicated with an inlet of the defoaming box, the inlet of the defoaming box is communicated with a foam outlet in the side face of the absorption tower body, according to the system and the method, the dosage of the defoaming agent added into the absorption tower slurry is small, and the agent operation cost is low. 本发明公开了一种石灰石-石膏湿法烟气脱硫吸收塔浆液消泡系统及方法，包括吸收塔本体、消泡箱、消泡剂储罐及喷淋层；吸收塔本体内设置有喷淋层以及位于喷淋层下方的抑泡液封装置，所述抑泡液封装置上开设有若干内壁为锯齿形结构的通