Conic Floors in the Seeds Treatment Devices

On the basis of the previously revealed efficiency of grain crops compound aseptic influences, it is suggested their fulfillment in a single device. The analysis of the possible constructive variants of the units for grain disinfection was carried out on the basis of treatments with low-frequency or super-high frequency magnetic fields in aggregate with convection heat action. By the results of this analysis the choice has been made in favour of a unit designed for grain treatment period with decontaminating gas agents and equipped with conical grids. Its process flowsheet has been worked out too. The constructive-process flowsheet of the unit for combined crops grain disinfection has been validated and either its elements’ method of characterization or modes of operation have been worked out. Conditions of rational correlation of gas and grain flows in a unit have been considered, and main mathematical expressions have been suggested for estimation of their charges. If grain flow discharge is considered to be determinating factor in the area of electro physical influence, as the main sizes of conical grids and their positional relationship as time of grain staying under influence of decontaminating gas flow can be determined according to offered expressions. Inverse solutions can be made on the basis of these expressions, for example, flows parameters matching for rational use of available grids of certain sizes. Presented dependences and methodic guidelines will be useful at designing the equipment with conic floors.

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