Resource study centrifugal sprayer made of different materials
Abstract
The paper analyzes modern spraying equipment and machines used to protect plants from pests, diseases and agrestal or weed plants growing in cultivated fields. It focuses on the main components of sprayers that determine the quality and efficiency of spraying operation. The decision to conduct comparative tests of modern centrifugal sprayers made of different materials has been made. The article is based on the method of experimental studies to determine a relative resource of centrifugal sprayers using the working fluid mixed with 20 g/L offine-grained alumina oxide (according to DSTU ISO 5682-1:2005). The paper presents a program of experimental studies of centrifugal sprayers that determines the effect of operating time of the sprayer on its performance indicators: a minute flow rate and distribution of fluid across the width of the spray cone and, as a consequence, its distribution across the width of the bar. Centrifugal sprayers made of metal and polymer manufactured by “Agromodule” Ltd. (Dnipropetrovsk) were selected for the experimental studies. As a result of studies it has been found that an increase in the minute flow ratefor a centrifugal sprayer made of polymer is 8.8% while for the same sprayer but made of stainless steel it is 14.7%. Based on the findings we can claim about the higher relative wear resistance of the polymer compared with metal when speaking about hydroabrasive wear of sprayers.
