| 摘要 |
PROBLEM TO BE SOLVED: To provide a purification device which is equipped with a minus ion generation member in the vicinity of an air bubble generation part to enable an increase in the amount of minus ions mixed in air bubbles discharged into water, and is free from the risk of submerging the minus ion generation member caused when water enters a pipe from the air bubble generation part. SOLUTION: The purification device comprises a purification tank 1, an air bubble generator 2 having a pipe 3 introduced under the water surface in the purification tank 1, and converting air fed into the pipe 3 into air bubbles by discharging the air from the air bubble generation part 5 installed at the lower end of the pipe 3, and a fibrous electrode 61 installed under the water surface inside of the pipe 3. A check valve 7 for inhibiting the backflow of air in the pipe 3 is installed in the pipe 3 to make the inside of the pipe 3 unsubmerged, and the fibrous electrode 61 is disposed in the vicinity of the air bubble generation part 5 inside the pipe. COPYRIGHT: (C)2007,JPO&INPIT
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