| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an aeration device which can efficiently generate microbubbles from an air diffusing pipe, and prevent the clogging of mircopores of the air diffusing pipe. <P>SOLUTION: In the aeration device which comprises the air diffusing pipe 1 having the micropores and a guide pipe 2 concentrically surrounding the outer periphery of the air diffusing pipe 1, and supplies liquid into a passage 3 formed between the guide pipe 2 and the air diffusing pipe 1 at a prescribed flow rate, a washing means 5 for injecting washing fluid into the air diffusing pipe 1 through an air supply pipe 4 to wash the micropores from the inside to outside of the air diffusing pipe 1 is installed. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
