The present invention relates to a grain washing device, more specifically a grain washing device for cleanly washing grains including sesame seeds before extracting oil, and for removing foreign substances including stones from the grains. The grain washing device comprises the following: an assorting unit which receives the grains from the outside, and assorting the foreign substances from the grains a first washing unit which firstly washes the grains supplied from the assorting unit and a second washing unit which secondly washes the grains supplied from the first washing unit.COPYRIGHT KIPO 2014본 발명은 곡물 세척장치에 관한 것으로서, 더욱 상세하게는 깨 등을 포함하는 곡물을 사용하여 기름을 추출하기 전에 물로 깨끗히 세척하는 한편, 그 곡물에 포함되는 돌 등의 이물질을 제거하기 위한 곡물 세척장치에 관한 것이다.
