| 摘要 |
Provided are a plasma water-treatment apparatus in which the structure of a conductive discharge electrode is improved so as to enhance the plasma treatment efficiency of air or gas flowing inside a dielectric tube, and a method for manufacturing the same conductive discharge electrode. The plasma water-treatment apparatus, according to the present invention, comprises: a hollow dielectric tube installed under water; a conductive discharge electrode which is inserted into the dielectric tube along the length direction of the dielectric tube; a conductive opposite electrode installed under water outside the dielectric tube; a gas inlet which is connected to the dielectric tube so as to inject air or gas into the dielectric tube; and a power application device for generating plasma inside the dielectric tube by applying power to the conductive discharge electrode and the conductive opposite electrode, wherein the discharge electrode has a plurality of spiral troughs formed around the periphery thereof in such a fashion that a rod having a polygonal cross section is wrenched in a twist shape at both ends thereof. |
