Perspective approach in grain storage
DOI:
https://doi.org/10.31548/machenergy2019.01.195Keywords:
granary, cooling, grain mass, model, storage, bubbling, moving, technology.Abstract
It is proposed to apply a cooling process in the granary using the pulsating motion of the grain mass, which occurs due to the formation of pulses. The products are located some distance from the floor, the distribution of air flows to the flowing medium is effected through a manifold that connects separately to each pallet, which are parallel to each other for ease of access and ability to form a standing wave. The presence of the diaphragm and elastic elements ensure periodic cutting and sealing of the pneumatic chamber with the fan discharge circuit
This arrangement of the constructions will realize the benefits of using a standing wave to move the grain over the entire pallet area, as noted above. The location of the pallet at a certain distance from the floor eliminates the saturation of moist grain products from below, where the
maximum moisture concentration occurs. The removal of moisture formed by condensation due to the temperature difference in the storage is carried out due to the combination of the developed process of displacement, which brings moisture to the surface of the grain layer; with a developed process of centralized ventilation with a stream of coolant, which removes moisture from the surface of the grain layer outside the granary.
The proposed method of storage of grain mass in the pallets makes it possible to significantly reduce the cost of construction and maintenance of the granary. The support surface of the pallet is made of metal, which is lined with sheet metal around the perimeter to increase the load-bearing capacity of the structure and the possibility of securing the pallet system on special support posts.
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