Electric field line tensioning adjusting device and tensioning adjusting method

The invention discloses an electric field line tensioning adjusting device, which relates to the field of organic waste gas treatment. The tensioning adjusting device is arranged at the tail end of anelectric field line and comprises a fixing part which is used for connecting theelectric field line and a mounting frame, a connecting part which is arranged in the center of the bottom of the fixingpart, and is fixedly connected with the end part of the electric field line, a fixing piece which is arranged below the connecting part, a moving piece which is arranged on the fixing piece in a sleeving mode, and is located below the fixing part, and an elastic piece which is arranged between the fixing part and the moving piece, and applies an upward pressure to the elastic piece. Upward pressure is applied to the elastic piece through the moving piece in the tensioning adjusting device, and the elastic piece applies counteractive and downward elastic force to the moving piece, so that an assembly formed by the movi