PROBLEM TO BE SOLVED: To provide an ultraviolet ray sterilization device capable of extensively and uniformly radiating an ultraviolet ray to a liquid subject to sterilization.SOLUTION: An ultraviolet ray sterilization device 10 includes: a vessel 2 into which a liquid 2a is injected an ultraviolet ray radiating unit 1 provided with a solid-state light-emitting element 1a, which emits ultraviolet rays that can deactivate viruses and bacteria within the liquid 2a, and a protruding section 1b that is protruded into the vessel 2 and radiates ultraviolet rays from the solid-state light-emitting element 1a into the liquid 2a and a scatterer supply unit 3 that supplies, to around the protruding section 1b, scatterers 4 that scatter ultraviolet rays.COPYRIGHT: (C)2014,JPO&INPIT【課題】殺菌対象の液体に対し、広範囲により均一に紫外線を照射可能な紫外線殺菌装置を提供する。【解決手段】液体2aを注入する容器2と、液体2a中のウイルスや細菌の不活性化が可能な紫外線を発光する固体発光素子1aと容器2中に突出させ固体発光素子1aからの紫外線を液体2a中に照射する突出部1bとを備えた紫外線照射ユニット1と、紫外線を散乱する散乱体4を突出部1b周りに供給する散乱体供給部3とを有する紫外線殺菌装置10である。【選択図】図1
