| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a wet flue gas desulfurization apparatus enabling highly reliable and stable operation by preventing adhesion of scale to respective members in an absorbing column. <P>SOLUTION: In a two-chamber type wet flue gas desulfurization apparatus, a partition plate 4 is provided to the upper part of a circulation tank 7 storing absorbing liquid and it divides a chamber into an inlet duct side chamber and an outlet duct side chamber, the up-flow region 12 and the down-flow region 13 of flue gas are formed by the partition plate 4, the flue gas is brought into contact with absorbing liquid slurry sprayed to the gas flow regions 12, 13, guide plates 18 for straightening flue gas reversely flowing from the up-flow region 12 at the opening part of a ceiling side are provided at the inlet part of the down-flow region 13, a spray pipe 19 is joined to at least one guide plate 18, and spray nozzles 23 are provided at the ceiling part. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
