Development of the mobile air-auger device for grain drying, cleaning and cooling

Abstract

BACKGROUND: Correct selection of a grain dryer and reasonable justification of the drying process parameters are necessary to ensure qualitative and safe drying of grain. Development of state-of-the-art designs of machines for drying and cleaning of grain is a relevant task.

AIM: Analysis of the process of drying and cleaning of grain and justification of the design of a device for drying, cooling and simultaneous cleaning of grain.

METHODS: In order to study the process of drying and cleaning of grain, the literature sources were analyzed, patent search was carried out. To justify the design of the device for drying, cooling and simultaneous cleaning of grain, promising machines for post-harvest grain processing were studied.

RESULTS: Various methods of grain drying are considered and analyzed to determine their effectiveness and applicability. There is a risk of problems associated with improper drying of grain and negative consequences for the safety of grain and its further processing. The innovative design of the mobile air-auger dryer for grain is offered for timely and qualitative cleaning and drying of grain. This device cleans grain from light weeds by means of air flow and removes surface moisture from grain by blowing it with heated air flow. The design and principle of operation of the dryer are described in detail in the paper. The results of preliminary experiments confirming the operability of the dryer are given.

CONCLUSIONS: The use of mobile units for grain drying is a relevant trend in agriculture. The use of a dryer with the proposed design helps to carry out post-harvest processing of grain effectively. It is found that the one-pass moisture removal is 4...5 %. The obtained results make it possible to recommend the dryer for use in peasant-farming farms.

Keywords

grain drying / grain cleaning / grain separator / air flow

References

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Funding

Федеральное государственное бюджетное учреждение «Фонд содействия развитию малых форм предприятий в научно-технической сфере» (Фонд содействия инновациям)Federal State Budgetary Institution "Foundation for Assistance to Small Innovative Enterprises in Science and Technology" (Foundation for Assistance to Innovations)(18107ГУ/2022)

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