Drip irrigation system

 

The invention relates to agricultural irrigation, in particular to drip irrigation, and can be used for irrigation of vegetable crops, fruits and vineyards, dwarf and shrub planting fruit of destination, in greenhouses, nurseries, flower farms and other places use. Drip irrigation system includes a water source, pool-lagoon, pumping station, filters and irrigation network with droppers. In drip irrigation system drip with a wide range of application rates of irrigation water are hydraulically connected in groups of nine drippers in each. Needles in groups connected by a single switch. In each group formed six sub-groups according to four droppers each. Each group of droppers is equal to the total flow of water. The drip irrigation system provides a high degree of reliability droppers, the quality of irrigation and increasing the yield of cultivated vegetable crops. 2 Il., 1 PL.

The invention relates to agricultural irrigation, in particular to drip irrigation, and can be used for irrigation of vegetable crops, fruits, Vinogradovsky farms and other places of use.

Known drip irrigation system including a water source, supply chain, distribution network and moisturizers with injectors in which to improve aeration in irrigated areas and provide control over the flow of water into the soil at the entrance to each injector installed hydraulic resistance, and under it in the wall of the injector made eye; to ensure an even distribution of water in irrigated areas during the change of pressure along the length of the humidifier the injectors are connected to the humidifier through the tubular inserts of different lengths; hydraulic resistance made in the form of float valve water level (SU inventor's certificate No. 545305, M CL2A 01 G 25/02. Drip irrigation system /B. I., Sigelman and N. And. Kuzyakin (USSR). - Application No. 2198288/15; claimed 10.12.1975; publ. 05.02.1977, bull. No. 5 //Open. The invention. - 1977. - №5).

Despite the fact that the injectors are provided with inserts (12) of different lengths (see Fig.2) and holes (10) for air supply with irrigation water to the roots of cultivated plants, supplied air is not sufficient for normal growth of plants.

The closest technical solution according to their nature and amount of common things is assein-sump, pumping station and irrigation network with droppers in which to reduce operating costs, the system is equipped with a linearly extended tubular filters, placed in the ground along the banks of the water source and recessed below the groundwater table, with tubular filters communicated with pool-sump, which is made closed (SU inventor's certificate No. 1551285 A1, M CL5A 01 G 25/02. Drip irrigation system /N. A. The tow, Century A. Shevchenko, and M. I. Romashchenko (USSR). - Application No. 4443850/30-15; claimed 06.05.1988; publ. 23.03.1990, bull. No. 11 // Opening. Of the invention. - 1990. No. 11). This drip irrigation system we have adopted as naiblizhajshee equivalent.

The disadvantages of this system are, despite the high quality of water treatment, the depression of plants, particularly tomatoes, due to the lack of air in the root zone soil layer.

The essence of the claimed invention.

Task to be solved by the claimed invention is directed, increase reliability and reduce operating costs.

The technical result improved quality of irrigation and yield of crops.

This technical result is achieved by the fact that in the known drip oromi, according to the invention dropper with a wide range of application rates of irrigation water are hydraulically connected in groups of nine drippers in each, connected by a single switch, with each formed of six subgroups on four needles in each is equal to the total water flow.

The invention is illustrated by drawings.

In Fig.1 schematically depicts a drip irrigation system.

In Fig.2 - place a in Fig.1, the position of the group of nine droppers with a wide range of norms of irrigation water on irrigated land occupied vegetable crops (tomatoes).

Information confirming the possibility of implementing the claimed invention are as follows.

Drip irrigation system (see Fig.1) includes a water source 1, pool-sedimentation tank 2, a pump station 3, a filter 4, irrigation canals with pipelines 5, distribution pipelines 6, locking device 7, irrigation pipes 8, 9 dropper or microdigital. Dropper 9 (microdigital) installed on the irrigation pipeline 8.

Dropper 9 with a wide range of application rates of irrigation water q1-q9hydraulically connected in groups (see Fig.2) nine drippers 9 in each of them. Nine the PP on four needles in each is equal to the total water flow: q1+q3+q9+q7; q6+q8+q4+q2; q6+q1+q8+q5; q8+q3+q4+q5; q4+q9+q2+q5; q2+q7+q6+q5. They saved is equal to the irrigation norm.

Drip irrigation system works as follows.

Water from source 1 by filtering through the soil comes in water-saturated clay layer, and into the pool-sedimentation tank 2. Clarification of irrigation water is carried out by filtering through the soil from a water source 1 to the pool tank 2. Pump station 3 takes the clarified water from the pool tank 2 and delivers it to the filters 4. From a group of filters 4 purified from sediment water flows into the pipeline 5 and through a shut-off device 7 into the distribution pipes 6. Irrigation pipelines 8 together with drippers 9 laid along the rows previously planted tomatoes, planted seedlings in a width of 0.6...0.7 m and a spacing of not less than 1.4 m for the passage of mechanized harvesting-transport units during the inter-row treatments and mass harvest.

Let's consider several examples of drip irrigation of tomatoes with consumption norms Capel the areas from q1=1 l/h to q9=9 l/h; with intervals of 0.5 l/h in the range of norms of water consumption from 0.5 to 4.5 l/h and other ranges.

It was established experimentally that under drip irrigation of agricultural crops the greatest effect on irrigation water is achieved when adjacent dropper issue 9 different irrigation norm, and between the borders closing of water in the rooting zone has a layer of air from the dry or mahovljani (HB<60%) of the soil. This is achieved saturation sucking and skeletal roots of tomato atmospheric air. For available moisture and air in the soil layer provides intensive growth of the vegetative mass of tomatoes, flowering and maximum loading of the crop during the period of fruiting and ripening.

When the supply of irrigation water in the subgroup of droppers 9 index q7-q1-q3-q9with the cost of irrigation water, respectively 0,7; 0,1; 0,3; 0,9 l/h total flow of water is 2.0 l/h

When putting these drippers 9 according to the scheme in Fig.2 along the length of the irrigation strip, occupied tomatoes will be alternating from moist areas with irrigation norms 0.4 l/h and 1.7 l/h

When the subgroup of drippers 9 index of rate of q6-q8-q4-q2, sub>4=1,0 l/h).

When switching subgroup IV index q6-q1-q8-q5the total water consumption will also be 2.0 l/h, but on the edge of the strip is poured less water (0.1 l/h).

During planting vegetable seedlings are all droppers 9. Total consumption of irrigation water (qi) is 4.5 l/h For this switch droppers 9 out of water “in group” is switched to the position “total submission”.

On light soils with good filtration (permeable) capacity total flow droppers 9 can be increased up to 45 l/h, while the scheme for the placement must be saved (Fig.2). With an equal amount of water for the irrigation pipeline 8 and issued to groups IV 9 not plugging cavities last light impurities in irrigation water.

Describes the distribution pattern of artificial precipitation is preserved when any water flow (see table) declared in drip irrigation system.

Claims

Drip irrigation system including a water source, pool-lagoon, pumping station, filters and irrigation network with Capel is Ana in groups of nine drippers in each, connected by a single switch, with each group formed six subgroups on four needles in each is equal to the total water consumption.

 

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