Setting for pulse irrigation

 

(57) Abstract:

Use: agricultural land reclamation, in particular in pulsed irrigation of orchards and vineyards. The inventive installation for pulse irrigation includes located on irrigated land measuring container 1, the upper part of which is made in the form of a cap 2, which is filled from a source of supply and connected with the main pipes 3; the exhaust from the main pipes 3 peripheral pipelines, provided the distribution holes. The tank 1 is connected with the main pipes 3 through siphons 6, 7 in the lower part of which is installed the valves 8, 9, connected in series between the pulse tubes 10, 11 the lower part of the previous trap above the upper level next, and the upper part of one of the siphons, for example 6, provided with a stopper 12. 3 Il.

The invention relates to agricultural irrigation, in particular for pulse irrigation, and can be used for irrigation of orchards and vineyards.

Known pulse dropper, including connected through a fitting on the discharge network hydropneumatic accumulator with a neck having a bypass hole is. 01 G 25/02. 1981).

The disadvantage of this device is its low reliability.

Also known irrigation tubing for drip irrigation, including prefabricated pipe to drippers, while the pipeline is equipped with filters in the form of a cylindrical vortex chambers with inlet and outlet nozzles located at the bottom of the camera to the center of the grounds which, by means of end walls connected droppers (see and.with. N 843871, class A 01 G 25/02, 1981).

The disadvantages of this pipeline are also low reliability, the blocking droppers.

Closest to the proposed invention and adopted by the author for the prototype is to install drip irrigation, including water supply, the main pipeline, the peripheral piping and attached drip elements, installing also equipped with a tank with a volume equal to the volume of one of the main pipeline and the automatic switching device (see and.with. N 835380, class A 01 G 25/02).

The disadvantage of this setup is the extra cost of its manufacture, low reliability.

The aim of the invention is cheaper and pulse irrigation, include a power supply, a main pipe, a measuring vessel with a volume equal to the volume of the main pipeline, they siphons, United with a measuring capacity and branches of the main pipe and connected to a peripheral pipelines having a distribution orifice, a measuring tank is provided with an orifice whose size is commensurate with the diameter of the siphon, the siphon provided in the lower part of the valves, connected in series between the pulse tubes so that the lower part of the previous trap connected to the next higher its top level and, Vice versa, one of siphons provided in the upper part of the tube.

In Fig. 1 is a diagram of the setup for pulse irrigation, top view. In Fig. 2 site connection to the main pipeline peripheral pipelines. In Fig. 3 dimensional capacity with siphons, longitudinal section.

Setting for pulse irrigation includes located on irrigated land measuring container 1, the upper part of which is made in the form of a cap 2, which is filled from a supply source (not shown) and connected with the main pipes 3, the exhaust from the main pipes 3 peripherieapparaten siphons 6, 7, in the lower part of which is installed the valves 8, 9, connected in series between the pulse tubes 10, 11 the lower part of the previous trap above the upper level next, and the upper part of one of the siphons, for example 6, provided with a stopper 12.

The device operates as follows.

In a measuring container 1, having a volume that provides one of the main pipeline 3 from the supply water. Water from a measuring vessel 1 is alternately distributed on one of the fields and fed through the main pipe 3, the peripheral pipes 4 through distribution holes 5. Alternate distribution is carried out as follows. During filling of the measuring vessel 1 through the neck 2, the measure based diameter siphons 6, 7, produce an initial run of the siphon 6 by briefly removing the tube 12, and then, depending on the differential pressure operating the siphon 6 through the pulse tube 11 attached to the subsequent siphon 7, remove by vacuum water out of the trap 9 trap 7, preparing it for launch.

After emptying the measuring vessel 1 through the siphon 6 continues the filling of the measuring vessel 1, and the URT". Through the pulse tube 10, the water from the water seal 8 is removed in the main pipe 3 and through the peripheral pipes 4, provided with the distribution holes 5, is fed by a pulse on one of the fields.

During emptying of the measuring vessel 1 is re-filling, and the work included then it reaches the top level of the siphon further. Is pulsed irrigation of the next field. The cycle repeats. Discontinuance of installation is achieved by stopping the water flow into the measuring container 1.

Compared with the prototype and known devices offer installation is much cheaper to manufacture and more reliable in operation. Irrigation is pulses alternately to one of the fields that allows the root system to fully absorb water and prevents soil salinization. Pulsed irrigation of the fields proposed facility eliminates the need for filters in the piping systems and pressure control.

Setting for pulse irrigation, including water supply, main pipe, a measuring vessel with a volume equal to the volume of the main pipeline, and a bellows connected with a measuring capacity and branches main pipelines is m, what measuring tank is provided with an orifice whose size is commensurate with the diameter of the siphon, the siphon provided in the lower part of the valves, connected in series between the pulse tubes so that the lower part of the previous trap connected to the next higher its top level and, Vice versa, one of siphons provided in the upper part of the tube.

 

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SUBSTANCE: apparatus has cylindrical casing with inlet and outlet openings. Cylindrical casing has threaded covers and body. Valve and elastic cuff are movably positioned inside cavity of cylindrical casing. Apparatus is further equipped with additional cuff. Main and additional cuffs are provided with orifices. Valve is made in the form of concavo-concave lens arranged in spherical belt. Valve is manufactured from material having density smaller than density of water, in particular, valve may be made from cork of 0.2-0.3 t/m3 density. Valve is arranged in casing between cuffs and is adapted for alternating contacting through cuffs with projections oppositely arranged inside casing cavity. Projections are made in the form of spherical segments, with radius of spheres of segments being smaller than radius of spheres of concavo-concave valve lens. Difference between radii of projection sphere and that of spheres of concavo-concave valve lens is equal to thickness of elastic cuffs. Channels on apexes of cover and casing projections are extending in radial direction toward inlet and outlet openings.

EFFECT: increased efficiency and enhanced reliability in operation.

4 cl, 4 dwg

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