Backward and forward grain drier

• Main Authors: LI XIAOHUA, YAN HANSHU, LI JIE, MA YUNXIA, LIU SUIXIAN
• Format: Patent
• Language: Chinese; English
• Published: 06.05.2009
• Subjects: CHEMICAL RIPENING OF FRUIT OR VEGETABLES; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; FOODS OR FOODSTUFFS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HUMAN NECESSITIES; PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,VEGETABLES, EDIBLE SEEDS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THE PRESERVED, RIPENED, OR CANNED PRODUCTS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

The utility model discloses a reverse and fair current food grain dryer which comprises a machine body having a vertical structure; the top of the machine body is provided with a food grain inlet, a food grain storage room, a drying room, a cooling chamber and a food grain discharge room are sequentially communicated under the food grain inlet, wherein the side wall of the drying room is provided with a hot air inlet and a waste air outlet, the side wall of the cooling chamber is provided with a cold air inlet and a waste air outlet, the bottom of the food grain discharge room is provided with a food grain discharge hole, and the drying room is provided with three groups of drying layers from top to bottom, wherein the topmost group of drying layers and the undermost group of drying layers consist of a reverse current drying section and a fair current drying section, and the middle group of drying layers consist of the fair current drying section; the hot air inlets are respectively arranged at the lower side