Zonal sub-irrigation system

FIELD: agriculture.

SUBSTANCE: zonal sub-irrigation system comprising main channel or water duct, distribution pipeline, and irrigation pipeline with a plug at the end; zonal moisturisers made of perforated tubes, in the root area, water metering equipment, a fertiliser mixing and dispensing device. The distribution pipeline is equipped with graduated water flow taps. The irrigation pipeline is made of flexible tube pieces successively connecting the moisturisers, and is inclined to the planting row end. Moisturisers are made of open polyethylene tubes with a minimum length of 600 mm, with two branches at a level 200 mm lower than the upper end. Flexible tubes for feeding irrigation water from the water receiver are connected to the branches. The water receiver is installed freely above the planting horizontal and connected to the taps. The moisturisers are perforated at their lower ends, the perforation hole diameter being 2-3 mm.

EFFECT: even irrigation water flow rate and good access to irrigation pipelines for repairs.

3 cl, 5 dwg

 

The invention relates to agriculture, in particular to reclamation, and can be used for irrigation of perennial crops on sloping lands.

Known drip irrigation system (RMS)used in foothill areas on steep slopes (0,3), in areas with insufficient water supply, in areas with rugged terrain, light soils, soils subject to water erosion, and where there are mastebate sources of clean water (Drip irrigation (manual to SNIP 2.06.03-85), "irrigation and drainage systems and structures", Moscow, 1986, "Soyuzvodproekt"), including intake structures, nephroblastoma nodes (pumping station), blocks automation of irrigation, filters, water equipment device for mixing and dosing of fertilizers, distribution and irrigation pipeline network, drips.

These systems for construction require high capital investment under drip irrigation, it is advisable to allocate areas where other irrigation methods are not acceptable. It is necessary to consider also the high requirements to the quality of irrigation water that is associated with the cost of cleaning, on the one hand, and loss of fertile silt sediments of mountain rivers.

Closest to the present invention is a system subsurface focus is on irrigation, includes main channel or conduit, distribution and irrigation pipes laid in the ground, with chain focal humidifiers, consisting of a perforated pipe with a diameter of 100 mm and a length of 350 mm, inside which passes irrigation pipe with a diameter of 25 mm, laid on the terraces in the root zone of perennial plants. (Irrigation and water management, No. 12, 1988)

Known systems subsurface irrigation have several disadvantages: difficult to inspect and repair irrigation pipes, not ensuring uniformity of flow of irrigation water mikrovodopadami, culverts and pipes can be blocked by plant roots, salivates required frequent cleaning of the system, is not precluded by the terracing of slopes, which is associated with high costs and loss of fertile soil, the high cost of laying pipelines and manufacturing of humidifiers.

The task of the invention to provide a visual inspection and affordable repair of irrigation pipes and humidifiers, the uniformity of the flow of irrigation water, the exception block by plant roots humidifiers and leaching system, the ability to bookmark perennial plantings on steep slopes without the construction of terraces and planning work, use for irrigation muddy waters of mountain streams and rivers with muddy is the EZLN without treatment to increase soil fertility, the use of wastewater and reduce the cost of the device and the laying of irrigation pipes. Solving these problems is achieved by the fact that the irrigation system, including the main channel or conduit, distribution and irrigation pipelines, focal humidifiers placed in the root zone of perennial plants, humidifiers are made from lengths of plastic tubing with a length not less than 600 mm with a perforation at the lower end with a hole diameter of 2-3 mm, with two taps on each humidifier at 200 mm from the upper end, to which are attached pieces of flexible tubing with a length corresponding to the distance between landings in a row, and forming an irrigation pipe, which has a bias to the end of the row planting and the cover and connected a flexible tube with a water intake installed at the required height from the line of planting, consisting of a vessel with two lower branches connected with irrigation pipes, and the upper outlet connected to the valve on the distribution pipeline. Humidifiers are embedded in the soil of the bowl, where the planted stands, rod, provided with a conical tip, a handle and a stop and inserted inside their open tube with a possible seizure. The recipient, as mentioned above, has a top outlet, which is connected by a flexible tube with kranon distribution pipeline, and the two bottom outlet connected to the two branches of the irrigation pipeline.

Figure 1 shows the irrigation system in the plan; figure 2 - a) open the tube of moisturizer, b) - rod-globitel, in) - humidifier Assembly with rod-globeteam; figure 3 is a section of a humidifier installed in the bowl, in the working position; figure 4 - installation diagram of the receiving water when the supply of irrigation water from the distribution pipe; figure 5 is a wiring diagram of the receiving water to an irrigation network or stream.

System subsurface focal irrigation includes the main channel or conduit 1, precinct outlet 2, the distribution pipeline with 3 valves 4, connected by flexible tubes 5 with the upper bends 6 water inlet 7, which are located above the irrigation pipeline 8 formed by connecting the taps 9 intakes 7 flexible tubes 10 with branches 11 humidifiers 12, introduced into the soil bowls 13, planted plants 14, other branches humidifiers are connected to each other sequentially lengths of flexible tubing, drain the last of the humidifier in the ranks of the plantings is muted. Humidifiers 12 consists of a hollow plastic tube with a length not less than 600 mm, the lower end of which is open and perforated holes 2-3 mm in the area of 150-200 mm from the edge and on the upper part of the lower 200 mm from the edge has the Xia two outlet 11. Moisturizers deep in the soil rod 15, provided with a conical tip 16, the arm 17 and the stop 18. The intakes 7 consist of open tanks and have one outlet 6 at the top and two outlet 9 at the bottom, they are the dampers pressure water from the distribution pipe 3 or from the open source of irrigation water 19 (channel, stream), provide direction to both sides from it on a number of landings and create the necessary pressure in the irrigation pipe.

System subsurface focal irrigation can work on slope lands of varying steepness (up to 45°), planting orchards, vineyards, berries and other crops planted in bowls, trenches, grooves, etc. to the contour of the terrain 20, without capital planning and construction of terraces in the following way. The humidifier 12 is introduced into the root zone of landings by a rod 15 to the desired depth, after which the rod is extracted and used to install other humidifier and so on, including the latest in a series of landings. The recipient 7 is located on the ground above the level of the horizontal areas 20 of plants in the row, and the height of the receiving water can be adjusted widely depending on soil and climatic conditions, season of the year to increase or decrease the of ashada irrigation water. Then a flexible tube connecting the valve 4 on the distribution pipe 3 with the upper outlet 6 of the receiving water 7, and the lower branches 9 branches first in a series humidifiers, bends other humidifiers sequentially connected segments of flexible tubing, the respective distances between landings in a row, forming an irrigation pipe, the end bends latest in a series of landings humidifiers are muted. Similarly, going all the wings of the irrigation pipeline, which opens a valve on the outlet 2 and the valve 4 with the graduation on the distribution pipe 3, the water flows into a water body 7, the valve opens so that water is not poured over the edge of the receiving water. To increase the pressure and thus the flow of water in irrigation water intake pipeline is placed above the level of landings in some areas and Vice versa, to reduce water consumption, for example for watering young plants, and the recipient have below. To ensure uniform watering, especially when long rows of plantings, irrigation pipe gather with a large slope to the water quickly reached the last of the humidifier at the end of the row, then adjusting valve 4, establish the necessary flow of water for irrigation. In the period from allotment 9 of the receiving water 7 to the first is about the humidifier placement device for mixing and dispensing soluble fertilizer, and between the valve 4 and the upper drainage of water intake - water-measuring equipment (counter).

The proposed system subsurface focal irrigation can "bind" to the natural minor sources of irrigation water (streams, rivers, and so on), which in the mountains a lot. For use of irrigation water from open sources the valve 4 is installed on the outlet 6 of the receiving water 7 and connect the flexible tube 21 with funnel-shaped hook 22, which is fixed in the bed of the water source by the bracket 23. All other operations on the Assembly system and watering of plantings identical with the above-described system when binding to the distribution pipe 7. Depending on the capabilities of the management system subsurface focal irrigation can be completely stationary or moving humidifiers and irrigation pipeline after the completion of irrigation on one row to the adjacent above or below the rows of plants, with one tap.

The proposed system subsurface focal irrigation provides regular and normalized watering perennial plantings on steep slopes (up to 45°) without the construction of traditional terraces and capital planning, excludes irrigation erosion and landslides due to focal moisture and opportunities chess planting Nasad the deposits. The number of humidifiers, zone moisture is regulated, no lock humidifiers by plant roots and siltation.

Subsurface irrigation is irrigation water any turbidity and silt content of the particles, as well as wastewater. Watering can be done around the clock, and all nodes of the system are under visual control.

1. System subsurface focal irrigation, including the main channel or conduit, distribution and irrigation irrigation with a plug at the end of the pipeline, focal humidifiers of perforated pipes in the root zone, water equipment, a device for mixing and dosing of fertilizers, characterized in that the distribution pipeline is equipped with cranes with calibration of water flow, irrigation pipe formed of lengths of flexible tubing that is Daisy-chained humidifiers, and has a bias to the end of the row planting, moisturizers made from open plastic tubes with a length of not less than 600 mm with two taps at level 200 mm from the upper end of adherence to the latest flexible tubes for receipt of irrigation water from the water intake, freely mounted on the horizontal landings and connected to valves, and has a perforation at the lower end with a hole diameter of 2-3 mm

2. The subsurface system of ahooga irrigation according to claim 1, characterized in that the receiving water is the quencher pressure water from the distribution pipeline, provides direction to both sides from it on a number of landings and creates the necessary pressure in the irrigation pipe.

3. System subsurface focal irrigation according to claim 1, characterized in that the moisturizers deep in the soil rod, provided with a conical tip, a handle and a stop and inserted into their open tube with a notch.



 

Same patents:

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