| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce equipment cost, avoid adhesion and accumulation of gypsum onto a support member and wear of a part due to gypsum slurry and simplify lining work execution of a resin, rubber or the like executed for the purpose of corrosion resistance/wear resistance by simplifying a support structure of a spray header. SOLUTION: In a spray absorption tower of a wet flue gas desulfurization apparatus wherein an absorbing solution slurry circulatively supplied from an absorbing solution reservoir section 28 at a lower part of an absorption tower 10 by a circulation pump 30 is sprayed from a spray nozzle 36 of a branch spray pipe 34 in a circulative spray header 24 provided in an upper part of the absorption tower 10 so that sulfur oxide and dust in an exhaust gas flowing from a gas inlet duct 14 into the absorption tower 10 are removed and processed gas is discharged from a gas outlet duct 20, a constitution wherein the circulative spray header 24 is supported by pillars 26 oriented in the direction from a tower bottom part to a tower top part.</p> |
