| 摘要 |
PURPOSE: A non-power micro bubble generator is provided to generate bubble in large amount by naturally inducing cavitation inside a connection pipe with non-power, thereby not generating a noise. CONSTITUTION: A non-power micro bubble generator includes a second connection pipe(210), an insert pipe(220), and a helical flow producing member(Sg). The second connection pipe has a inside diameter of a second discharge hole which is formed to be gradually grow larger to a flow direction of the water. The insertion pipe is embedded in a second inflow hole. The helical flow producing member is embedded in the inner circumference of the inflow hole of the insertion pipe.
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