METHOD AND APPARATUS FOR PRODUCING FULL FAT SOYA FROM SOYA BEANS Russian patent published in 2000 - IPC

FIELD: food-processing industry and agricultural production. SUBSTANCE: method involves cleaning soya beans from foreign matter such as dust, mineral and organic contaminants; grinding and providing low-temperature steaming for 30-35 s and crushing for obtaining uniform structure in the form of 0.15-0.2 mm thick petals; frying for 4-45 min at temperature of 138-145 C, with moisture content of ready product being 8-9%; cooling full fat soya to temperature of 35-40 C for 4-5 min, with cooling process being performed in continuous flow mode. Apparatus has hopper, weighing device, another hopper disposed under weighing device, separator, magnetic column, grinder with housing, driving and driven rolls incorporated inside housing, roll and drive adjusting mechanism, and baffling shield with reversing shutter. Housing front wall has windows provided with covers and adapted for measuring gaps between rolls and for taking samples. Plate with electric engine, auger for low-temperature steaming and roll-type crusher are mounted on rear wall of housing. Roll-type crusher is made in the form of frame carrying rolls and reducer with individual electric engine. Charging bucket is disposed in upper part of frame and provided with feeding roll which is cleaned by means of knife. Apparatus is further provided with fryer and cooling device made in the form of column with cooling cavities defined by two end walls. Three grid sections and three baffle sections are disposed between end walls of cooling cavities. Column has air passages with air intake windows. Feeding hopper with closure is disposed on upper part of column. EFFECT: improved quality of product by uniform grinding and crushing, enhanced reliability in operation and provision for producing large and small batches of product. 3 cl, 4 dwg, 1 tbl, 3 ex