Low-temperature plasma dual water purification device with annular channel

The utility model provides a low-temperature plasma dual water purification device with an annular channel. The low-temperature plasma dual water purification device comprises an activated carbon cavity, a porous cavity cover, a porous cavity connecting piece, an air inlet pipe, an electrode interface, a high-voltage electrode, a grounding electrode, a plasma water purification cavity and a porous cavity water outlet piece. An inner hollow cylinder and four groups of symmetrical quartz tubes are arranged in the plasma water purification cavity and are fixed in the center, eight through holes are symmetrically distributed in each quartz tube, and four through holes are symmetrically distributed in the side wall of the inner hollow cylinder. 27 through holes are uniformly distributed in the porous cavity water outlet sheet. The grounding electrodes are electrically connected with the copper wires which are wound on the outer side of the quartz tube and are symmetrically distributed into four groups. And the hig