PROBLEM TO BE SOLVED: To accurately perform sterilization treatment without changing the quality of a food product.SOLUTION: A continuous steam sterilization device comprises: a sterilization chamber 20 for sterilizing a food product a conveyor 6 which is provided so as to penetrate the sterilization chamber and has a net-like conveyor belt 18 on which the food product is mounted a jet part 22 which is provided in the sterilization chamber and closer to the bottom side than the arrangement position of the conveyor belt, and has a jet port for jetting steam toward the bottom side of the sterilization chamber a discharging part 24 for discharging hot blast in the sterilization chamber a carry-in port 8 through which the food product is carried into the sterilization chamber by the conveyor and a shield plate 12 for shielding a carry-out port 10 through which the food product is carried out from the sterilization chamber by the conveyor.COPYRIGHT: (C)2014,JPO&INPIT【課題】食品の品質を変化させずに的確に殺菌処理を行う。【解決手段】食品を殺菌する殺菌室20と、前記殺菌室を貫通するように配置され、前記食品を載置する網状のコンベアベルト18を有するコンベア6と、前記殺菌室内において前記コンベアベルトの配置位置よりも底面側に配置され、前記殺菌室の底面側に向けて水蒸気を噴出する噴出口を有する噴出部22と、前記殺菌室内に熱風を放出する放出部24と、前記コンベアにより前記食品が前記殺菌室に搬入される搬入口8、及び前記コンベアにより前記食品が前記殺菌室から搬出される搬出口10を遮蔽する遮蔽板12とを備える。【選択図】図2