Abstract
Many scientists of the world were engaged in the study and development of various schemes and models of hydraulic elevators for the purpose of excavation and hydraulic transport of hydraulic mixtures [1-22]. For the specific conditions of the selected research object, we determined the main sizes and parameters of the hydraulic elevator, which allows cleaning the water area of the bottom water intake of the spillway of the Tupalang hydroelectric station, using the hydrostatic pressure at the object concentrated in front of its dam. To clarify the particle size distribution of sediment deposited at the inlet head of the water intake of the Tupalang reservoir water outlet, samples of bottom sediments were taken and their particle size distribution was analyzed in laboratory conditions. At the water intake area of the 1st tier of the Tupalang reservoir, the deposited sediments are represented by smaller particles, the diameter of which is from 5 mm to 0.1 mm, and in percentage terms, their share is 95%. The main results are given for calculating and justifying the parameters of a hydraulic elevator for cleaning sediment from the water area of the inlet head of the water outlet structure of the first tier of the Tupalang reservoir. When determining and substantiating the main sizes of the hydraulic elevator, theoretical and experimental research methods were used, and the method of S.M.Shtin was applied.
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