Patent ID: 8172931

Claim:
A wet-type exhaust desulfurizing apparatus for purifying a fuel combustion exhaust gas emitted from a combustion apparatus, said wet-type exhaust desulfurizing apparatus comprising an absorbing tower comprising: (a) a gas entrance disposed at a side of the absorbing tower wall and introducing the fuel combustion exhaust gas; (b) spray headers, disposed in multiple stages in a gas flow direction to spray an absorbing liquid, containing limestone or hydrated lime, onto the exhaust gas ascending upon being introduced from the gas entrance; (c) a trough disposed at a tower side wall at an upper portion of the gas entrance of the absorbing tower; and (d) a nose, having a horseshoe shape in top plan view and extending into the tower, disposed at a tower side wall portion excepting the portion at which the trough is disposed at the gas entrance and at the same height or substantially the same height as the portion at which the trough is disposed.