Environment-friendly low-crushing-rate drying and threshing equipment

Abstract

The invention discloses environment-friendly low-crushing-rate drying and threshing equipment. The environment-friendly low-crushing-rate drying and threshing equipment comprises a drying and threshing tower used for drying and threshing corncobs, and the drying and threshing tower is provided with a feed inlet, a drying and threshing section and a feed outlet; the drying and threshing section isprovided with a threshing roller used for threshing the corncobs, the threshing roller is provided with threshing teeth and is arranged to be at least two layers in the longitudinal direction, the densities of the threshing teeth on the threshing roller are gradually increased from the top layer to the bottom layer, and the lengths of the threshing teeth on the threshing roller are gradually increased from the top layer to the bottom layer; a hot air pipe used for drying the corncobs is arranged at the portion, located between the two adjacent layers of the threshing roller, on the tower wallof the drying and threshing tower. The corncobs are gradually dried from top to bottom, gradual fine threshing is conducted, the drying efficiency is improved, and the niblets are also low in crushing rate; the structure is simple and compact, the cost is low, and application and popularization are facilitated.

Description

technical field [0001] The invention relates to the technical field of corn cob threshing, in particular to an environment-friendly drying and threshing equipment with low breakage rate. Background technique [0002] Corn is one of the main food crops in China, and it is widely distributed in my country. It has a wide range of uses and high economic value. It is one of the important commodity grains in my country and an important industrial raw material. Corn is one of the most difficult grains to store due to its high original moisture content after harvest, and it is usually not suitable for long-term storage. Especially in the three northeastern provinces and Hebei, the planting area is relatively large, the total output is high, the weather is already cold when the harvest is received, and there are bracts outside the ears of corn, which cannot be fully sun-dried on the plants, so the original moisture of the harvest Generally as high as 20-35%, even as high as 38-40%....

AI Technical Summary

Problems solved by technology

Because the original moisture of corn is relatively high, threshing without drying is easy to damage the grains, so there are more immature and broken grains in corn, and these factors have a negative impact on the safe storage of corn.

[0003] At present, the traditional corn storage in my country is threshed first, and then dried. When the drying is suddenly interrupted or the dryi

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