Farm grain preprocessing device integrating drying and screening

Abstract

The invention discloses a farm grain preprocessing device integrating drying and screening. The device comprises a feeding device and a shell. The feeding device comprises an inclined conveying belt and a first horizontal conveying belt. The first horizontal conveying belt is connected with the inclined conveying belt. The first horizontal conveying belt is located above the shell. The upper end of the shell is provided with an air blower. An air outlet of the air blower is located under the right end of the first horizontal conveying belt. A second horizontal conveying belt is arranged above the right side of the shell. A first screen net is arranged in the shell. A second screen net is arranged below the first screen net. The mesh diameter of the first screen net is larger than the mesh diameter of the second screen net. The preprocessing device integrated screening and drying, effectively saves equipment investment, reduces the cost and can achieve the effects that classification effect is obvious and drying is uniform, meanwhile has the advantages of being reasonable in structural design, convenient to use, good in screening effect, high in drying efficiency and the like, and has the wide application prospect and the high practical value.

Description

technical field [0001] The invention relates to the technical field of agricultural machinery manufacturing, in particular to a grain preprocessing device for farms integrating drying and screening. Background technique [0002] The rice in the grain will be purchased after it matures. In order to improve the storage time, the grain needs to be dried. Therefore, the rice processing factory needs to dry the rice before processing it for storage and transportation. In the prior art, during the drying process, the materials need to be raised by lifting boards to form a material curtain to exchange with hot air to dry the rice, so as to avoid the rice sticking or local overheating. Nowadays, many dryers use hot air to dry. The hot air and solid particles are mixed together in the inner cavity of the drum. Because it is difficult to control the flow direction of the hot air, the drying effect is unstable, and the rice particles will be produced during the drying process. Certain...

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Problems solved by technology

The existing screening machines mainly rely on the pore size of the drying net to achieve the purpose of drying out materials of different thicknesses, but there is no equipment that integrates drying and screening in the market, and most drying equipment is separated from the screening equipment. , the cost of equipment is relatively high, and at the same time, it cannot be operated in an integrated manner, and the consumption of manpower and material resources is too large

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