PROBLEM TO BE SOLVED: To provide seafood heat treatment equipment in which seafood is free from retort smell.SOLUTION: Seafood heat treatment equipment includes an air-tight heat treatment chamber 2, part of which can be opened to the atmosphere, a chamber interior heating part 4 for heating a heat treatment chamber interior 2 to a predetermined temperature, an injection nozzle 3 for injecting a gas-liquid mixture consisting of steam and hot water, and making the heat treatment chamber into a heat treatment atmosphere filled with a heating medium in a state that superheated steam and high-temperature fine water drops are mixed, a tray shelf 6, and a seafood storage part for storing seafood through which steam and gas can pass and which has bacteria blocking-out property.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2016,JPO&INPIT【課題】魚介類にレトルト臭がつかないという魚介類の加熱処理装置を提供する。【解決手段】一部を大気解放可能な密閉された加熱処理室2と、加熱処理室内2を所定温度に加熱する室内加熱部4と、水蒸気と熱水からなる気液混合体を噴射し、過熱水蒸気と高温微細水滴が混在する状態の加熱媒体で満たされた加熱処理雰囲気にする噴射ノズル3と、トレー棚6と、水蒸気や気体を通過可能で遮菌性を有し、魚介類を収納する魚介類収納部とを備えている。【選択図】図3