FIELD: irrigation technique.
SUBSTANCE: invention relates to irrigation technique with fine dispersed and drip irrigation and can be used in mobile sprinkling machines for formation of rain with droplet sizes permissible for irrigation of all cultivated crops. Sprinkler nozzle with horizontal jet direction includes body and deflector fixed to screw stand. Deflector is made in form of rotation paraboloid of equation y = x2, where y is vertical coordinate of parabola, x is horizontal coordinate of parabola. On deflector there are guiding blades executed along parabolas of equation y = 2x2, where y is vertical coordinate of parabola, x is horizontal coordinate of parabola. Guide blades of deflector are interfaced with blades of horizontal blade contour located in deflector plate hollow disc. Blades height h placed in disc inner cavity is determined from equation , where ω – flow live section, determined by flow through nozzles; D is disc outer diameter. Output edges of disc blades are directed tangentially to its outer surface. Parabolas on outer surface have concavity.
EFFECT: improvement of rain structure and uniformity of its distribution, yields increase.
1 cl, 2 dwg
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Authors
Dates
2018-04-18—Published
2017-05-03—Filed