PROBLEM TO BE SOLVED: To provide a discharging device that can be made compact while reducing a pressure loss.SOLUTION: A discharging device 1000 comprises: a low-potential side counter electrode 700 in which plural flat plate parts 731 aligned almost parallely and having a longitudinal and flat-plate shape, first connection parts 733R connecting ends of the flat plate parts 731 on each one side in a longitudinal direction, and second connection parts 733L connecting ends of the flat plate parts 731 on each other side are formed integrally on one conductive plate-like body； a high-potential side linear body discharge electrode 300 having a potential higher than that of the counter electrode 700 and arranged in the longitudinal direction between the flat plate parts 731, a lower frame 800 made of an insulation material supporting the counter electrode 700 below the counter electrode 700 and the discharge electrode 300； a right intermediate frame 500 covering a connection part 733 of the counter electrode 700 from above and made of the insulation material； and a left intermediate frame 600 covering the connection part 733 of the counter electrode 700 from above and made of the insulation material.【課題】圧力損失の低減を図り、装置のコンパクト化の可能な放電装置を提供する。【解決手段】放電装置１０００は、略平行に並べられた、長手形状で、かつ、平板形状をなす複数の平板部７３１と、平板部７３１の長手形状における一方の端部どうしをつなぐ第１接続部７３３Ｒと、平板部７３１の他方の端部どうしをつなぐ第２接続部７３３Ｌとが、一枚の導電性の板状体で一体に形成され、低電側の対向電極７００と、平板部７３１どうしの間に長手方向に沿って配置され、対向電極７００よりも高電位側の線状体の放電電極３００と、対向電極７００と放電電極３００との下方で、対向電極７００を支持する絶縁材料からなる下部フレーム８００と、対向電極７００の接続部７３３を上方から覆う絶縁材料からなる右中間フレーム５００と、対向電極７００の接続部７３３を上方から覆う絶縁材料からなる左中間フレーム６００を備えた。【選択図】図４
