EFFICIENT USE OF ASPIRATION SYSTEMS OF GRAIN AND SEED CLEANING MACHINES
Keywords:
cleaning processes, intermediate selection, dusty air flow, cyclone, intensification, cleaning coefficientAbstract
Obtaining high-quality grain material in the required quantities in compliance with the scaled dust content of the air
in the working area is determined by the efficiency of processes, cleaning methods of the air flow, and the designs of
dust collectors for grain and seed cleaning machines. Increase in the productivity of grain and seed cleaning
machines, which causes growth of the concentration of fine particles of impurities and dust, is restrained by the lack
of efficiency of aspiration systems while cleaning the air flow. Classical improvement of dust collectors with
aspiration systems, their separate elements, is confined and limited by design features of mobile grain separators.
Based on the analysis of research results, a method was proposed to increase the efficiency of cleaning dusty air
flows from light impurities and dust on grain and seed cleaning machines by using the developed rotary cyclone with
a multi-disc purifier. Increasing the efficiency of the process of cleaning dusty air flow in the dust collectors requires
additional influence on the dispersed particles to ensure their intensive redistribution in the working areas.
Dependences of the overall performance on parameters of the offered cyclone are established.
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