PROBLEM TO BE SOLVED: To provide a food product washer which can suppress a drainage volume from a washing water tank while preventing pollution of washing water, and can effectively wash a food product to be washed while suppressing damage of the food product to be washed.SOLUTION: It is possible to prevent pollution of washing water, and reduce a running cost compared to the case of always washing a food product by clean water, by generating water flow from a carrying-in side toward a carrying-out side of a washing water tank 1 by a circulation pump 25, and mixing the washing water in the washing water tank with clean water and ejecting the mixed water from an ejector 10 toward a food product to be washed, flowing with the water flow. Furthermore, it is possible to suppress damage of the food product to be washed, and effectively perform washing by fine bubbles, by sucking outside air from an outside air taking-in opening and ejecting the mixed water as bubble-containing low pressure aeration jet water when ejecting the mixed water from the ejector 10.COPYRIGHT: (C)2015,JPO&INPIT【課題】洗浄水の汚濁を防止しつつ、洗浄水槽からの排水量を抑えることができるとともに、被洗浄食品の損傷を抑えて効果的な洗浄を可能とする。【解決手段】循環用ポンプ25によって洗浄水槽1の搬入側から搬出側へと向かう水流を生じさせ、その水流に乗って流れる被洗浄食品に向けてエジェクタ10から洗浄水槽内の洗浄水と清浄水を混合させて噴射することにより、洗浄水の汚濁を防止し、かつ、常に清浄水で洗浄する場合に比べてランニングコストを引き下げることができる。エジェクタ10から混合水を噴射する際、外気取入用の開口部から外気を吸引して気泡を含む低圧曝気噴流水として噴射することにより、被洗浄食品の損傷を抑えるとともに、微細な気泡によって効果的な洗浄が可能となる。【選択図】 図1