Open AccessHydrodynamic cavitation unit for improving the performance of irrigation water during plant growing
Author(s) -
M. P. Baranova
Publication year - 2019
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/315/6/062018
Subject(s) - cavitation , irrigation , impeller , wastewater , wedge (geometry) , seeding , environmental science , process (computing) , environmental engineering , pulp and paper industry , materials science , mechanical engineering , engineering , mechanics , computer science , agronomy , mathematics , physics , geometry , aerospace engineering , biology , operating system
The computational and experimental work was carried out using the SolidWorks system. The main structural parameters of a hydrodynamic cavitation unit, designed to prepare irrigation water in the process of watering plants and pre-soaking seed before seeding, are determined. The unit has been manufactured and tested. It was established experimentally that the opening angle of the impeller wedge should be 40 and 80 0 , and a sufficient rotor speed – 10.000 rpm. A more effective form of a hydraulic brake for this cavitation unit was determined, which made it possible to obtain irrigation water with a pH of from 7.2 to 8.5 on average, and an oxygen content of 4.6 to 6.5 mg / l. It is shown that cavitation allows the use of water for irrigation, even from polluted natural sources, since the process of purification of polluted wastewater proceeds in parallel.