PUFFED GRAINS PRODUCING APPARATUS Russian patent published in 1999 - IPC

FIELD: food-processing industry. SUBSTANCE: apparatus has working chamber, cyclone-settler and dust-settling chamber, which are connected via airducts to define recirculation system. Recirculation airduct has window with used air discharge valve, which may be turned into recirculation airduct. Working chamber wall is made from infrared light-permeable material. Upper and lower parts of working chamber are made from infrared light-impermeable material. Infrared light sources are mounted outside working chamber along its perimeter. Working chamber is covered with infrared light reflective material. Apparatus is further provided with grain hopper having feeder and grain pipeline, fan, power source and control unit. Temperature sensor is positioned in upper part of working chamber. EFFECT: increased efficiency by reduced power consumption and provision for preventing product from burning. 1 dwg