The disclosed grains dividing device includes a frame; A shaft installed on the frame inclined at an angle to the horizontal plane so as to be rotatable at a predetermined rotational speed; A grain inlet formed in an open end, is disposed coaxially to the shaft to rotate in a rotational direction opposite to the direction of the shaft, the cylindrical net member is formed in a predetermined mesh; Partition member provided on the shaft such that the inner surface and spaced a predetermined distance in the network member to divide the grains are fed to the input port; And to collect a segmented grain net member provided on the lower collecting member that passes through the mesh of the net member (mesh); and a.; The disclosed method of grain processing, (a) the step of rotating each of the mesh member and the partition member from each other in the opposite direction can be predetermined rotation; (B) dividing the input grain pellets into the slot formed in the mesh member to the grain by a gap formed between the mesh member and the partition member, at least in two parts and sorting the divided grains through a mesh of the net member; (C) implanting the selected grain roasting drum; And a and (d) roasting stage for a predetermined period of time at a temperature and pressure given in the grains while rotating the drum stir fried drum.
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