| 摘要 |
PURPOSE: A deodorizing column is provided to generate nano-bubbles which are smaller than micro-bubbles by arranging an ozone supplying pipe to a nano-bubble generator. CONSTITUTION: A deodorizing column includes a water tank(210), a water discharging pipe(220), a plastic-based grain layer(230), a deodorizing gas supplying pipe(250), an ozone supplying pipe(280), and a water spraying pipe(290). A nano-bubble generator(100) is in connection with the downstream part of the ozone supplying pipe. The nano-bubble generator includes a tubular part(20), a cylindrical body(30), a plurality of spiral flow paths(L2), a motor(M), and a ring-shaped heater part(40). The tubular part is immersed in a tank. The cylindrical body self-rotates. The heater part is in contact with the external part of the tubular part.
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