The Application of Gravity Table for Alfalfa Seed Processing

Abstract

Processing alfalfa seed from natural sources with admixture, grains of other species and various impurities are removed and clear grain of the basic culture is obtained. Grain of the basic culture is prepared for sowing machine and quality planting, germination and sprouting. Alfalfa seed loses during the processing depend on quantity and type of weed and other impurities of organic and inorganic origin present in the naturalized seed. In this paper is given the analyses of the efficiency during natural alfalfa seed processing of two different purities (B1, B2), processed on the same equipment that involves gravity table Oliver - 240. As the relevant parameters that define the effects of alfalfa seed were: clear grain (%), weed and other cultures seed (%), inert matter (%), quantity of processed seed (kg), time of seed processing (h), active (kWh) and reactive (kVArh) current consumption, processing output (%), and seed loses (%).

Procesom dorade semenske lucerke iz naturalnog semena sa primesama uklanjaju se sva zrna stranih primesa i razne nečistoće i izdvaja čisto zrno osnovne kulture koje se priprema u što povoljnije stanje za sejalicu i kvalitetnu setvu, klijanje i nicanje. Gubici semena lucerke u procesu dorade zavise od vrste i količine korova i ostalih nečistoća, organskog i neorganskog porekla prisutnih u naturalnom semenu. U radu je data analiza efikasnosti pri doradi naturalnog semena lucerke dve različite čistoće (B1, B2) dorađene na istom sistemu mašina za doradu u okviru koga je korišćen gravitacioni sto Oliver - 240. Kao relevantni parametri koji definišu efekte dorade semena lucerke bili su: čisto seme (%), seme korova i seme drugih kultura (%), inertne materije (%), količina dorađenog semena (kg), vreme dorade semena (h), utrošak aktivne električne energije (kWh) i reaktivne električne energije (kVArh), randman dorade (%) i gubici semena (%).