Development and testing of a hydrocyclone sand trap for mini hpp
Kassymbekov Z.K. Kassymbekov G.Zh.
2021National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2021#1Issue 44591 - 97 pp.
The goal of the project is to develop and use a hydrocyclone sand trap to improve the operation of a mini hydroelectric power station. In contrast to the existing design of a similar type of hydroelectric power station, a bulky sump for water purification has been replaced with an efficient hydrocyclone device. Due to this, a simplification of the design of the HPP is achieved, an increase in the degree of sand collection from the composition of the water used. Research methods. The initial data for the calculation were taken: the flow rate of water passing through the hydrocyclone and the pressure drop at the inlet and outlet of the hydrocyclone. Computer simulation of the process was carried out using the SolidWorks software (flow simulation). The main technological parameters and a rational mode of operation were established by testing experimental samples both in laboratory and in production conditions. Research results. In the established mode, the density of clarified water is equal to 1.009 … 1.050 t / m3, and the degree of purification is 91 … 97%. Replacing a bulky reinforced concrete sump with hydrocyclone sand traps of a simplified design reduces the cost of building a water treatment unit from 30% (existing) to 7%. This makes it possible to expand the volume of development of small hydroelectric power plants, especially in mountainous conditions.
Development , Experimental stand , Hydrocyclone sand trap , Mini hydroelectric power station , Process modeling , Tests
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Satbayev University, Almaty, Kazakhstan
Kazhydro, Almaty, Kazakhstan
Satbayev University
Kazhydro
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