Power need of an implement for removing polymer residues from the soil surface in Kazakh horticulture

Niyazbayev A. Pegna F.G. Khazimov K. Umbetov E. Akhmetov K. Sagyndykova Z. Khazimov M.
9 September 2022 Page Press Publications

Journal of Agricultural Engineering
2022 #53 Issue 3

Polymeric materials are largely used in horticulture for mulching and irrigation, but their long degradation time causes various environmental and agronomic problems, hence should be removed at the end of the crop cycle. Among different mechanised techniques for collecting polymer residues from the field, the sin-gle-phase one is the most effective, since the plastic film and irrigation tape lifting, cleaning, and collection operations are done in a single pass, though, in most cases, the implements used in Kazakhstan still need an operator to manage the winding mecha-nism. The authors, who developed a completely automatic plastic retriever based on a hydraulic drive with a friction clutch for winding up the plastic materials, assessed the power need of the implement in order to compare it with the power need of similar imple-ments, where the winding mechanism is hand-operated. Consequently, power consumption is high due to the need to stop and start the engine many times. In this study, the parameters of the hydraulic drive were deter-mined by analytical calculation, starting from pressure and speed data measured on the hydraulic line and velocity and traction resistance of the implementation measured during the field tests. The maximum power needed to drive the winding mechanisms resulted in 1.86 kW at a forward speed of the unit of 1.8 m⋅s^–1. Secondary, the operation costs were broadly assessed, finding that they were about 43% less than when using man-driven equipment.

hydraulic drive , Plastic mulch retriever , traction resistance , winding mech-anism

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Kazakh National Agrarian Research University, Almaty, Kazakhstan
Department of Agriculture, Food, Environment and Forestry, University of Florence, Florence, Italy
Almaty University of Power Engineering and Telecommunications named Gumarbek Daukeyev, Almaty, Kazakhstan
Al-Farabi Kazakh National University, Almaty, Kazakhstan

Kazakh National Agrarian Research University
Department of Agriculture
Almaty University of Power Engineering and Telecommunications named Gumarbek Daukeyev
Al-Farabi Kazakh National University

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