Spiral dryer for crops

• Main Authors: MA RUI, QIN FANGLEI, YANG JUNLI, LI PEI, HAN QIN, LAI YONG, ZHAI YING, DONG KUN, DU BING, YANG HELIN, DAI MIN, KONG ZIMING, SHI HUAHUI, YIN HAIFENG
• Format: Patent
• Language: Chinese; English
• Published: 07.07.2023
• Subjects: BLASTING; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; DRYING; DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM; FOODS OR FOODSTUFFS; HEATING; HUMAN NECESSITIES; LIGHTING; MECHANICAL ENGINEERING; PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,VEGETABLES, EDIBLE SEEDS; THE PRESERVED, RIPENED, OR CANNED PRODUCTS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; WEAPONS

The invention relates to the technical field of grain drying equipment, in particular to a crop spiral dryer which comprises a shell, a heating coil and an auger assembly, an inner barrel is arranged in the shell, a first discharge port and a second discharge port are formed in the shell, and the first discharge port is higher than the second discharge port in the vertical direction; the heating coil is arranged in the inner barrel and is used for drying materials; the auger assembly can be rotatably arranged on the inner barrel and comprises a first auger and a second auger, the screw pitches of the first auger and the second auger are the same, the spiral diameter of the first auger is in nonlinear change, the spiral diameter of the second auger is in linear change, the first auger is used for conveying large-size materials to the first discharging port, and the second auger is used for conveying large-size materials to the second discharging port; and the second packing auger is used for conveying the mate