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Infiltrating micro-irrigation system

A technology of micro-irrigation and capillary infiltration, which is applied in the fields of application, horticulture, and botanical equipment and methods. It can solve the problems of poor water seepage effect, high overall production cost, and low production efficiency, and achieve the effect of uniform and balanced irrigation.

Inactive Publication Date: 2013-02-06
深圳市金麦田网络技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0029] A micro-irrigation material with capillary permeation function and its preparation method, the material does not contain a release agent and a surfactant, and the proportion of inorganic fillers is relatively high, which overcomes the poor water seepage effect and large investment of materials in the prior art , high cost of raw materials, long process flow, low production efficiency, and high overall production cost. At the same time, the material has a capillary seepage network composed of hydrophilic inorganic filler particles evenly distributed in the non-hydrophilic thermoplastic matrix. This structure not only ensures the processing and use performance of the material, but also can automatically seep or stop the water seepage through the capillary network inside the material according to the water potential of the soil in contact with it.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0183] A flowchart of an irrigation system designed according to the national standard GB / T 50485-2009 "Technical Specifications for Micro-irrigation Engineering" is as follows figure 1 shown. Including water source 1, head hub 2, transmission and distribution network 3, irrigation department 4 four parts. As an irrigation system, due to different water sources, the structure and function of the head hub used are different, and the structure or connection form and shape of the transmission and distribution pipeline network are different, which will form different irrigation systems. This difference is nothing more than water treatment (filtering, adding fertilizers and pesticides, etc.), control (flow control, liquid level control, pressure control, etc.), delivery method (channel or pipe, pipe material, channel / pipe layout) ) are different, and can be traded off or increased according to needs. However, the functions of the water source 1, the head hub 2 (the part between t...

Embodiment 2

[0190] Irrigation system is consistent with embodiment 1, but the infiltration micro-irrigation pipe 9 wherein uses sectional view such as Figure 5 A "anti-clogging osmotic micro-irrigation tube" with unpowered, self-adaptive, continuous, and balanced osmotic functions is shown. Prepared by the following method:

[0191] Sprinkle the high water retention resin powder on the loose non-woven fabric of the specified width, slightly vibrate the non-woven fabric, so that the high water retention resin powder evenly falls into the pores of the non-woven fabric and place it in a water vapor environment for 15 minutes to make the high water retention Resin powder absorbs water and swells. The amount of sprinkled high water-retaining resin powder is based on 0.5% of the volume ratio of the non-woven fabric. The high water-retaining resin powder particles after water absorption are tightly "stuck" in the high-strength polymer skeleton network composed of non-woven fabrics, and the no...

Embodiment 3

[0193] Irrigation system is consistent with embodiment 1, but the infiltration micro-irrigation pipe 9 adopts such as Image 6 Shown is an "external pressure-resistant, anti-clogging osmotic micro-irrigation tube" with unpowered, self-adaptive, continuous, and balanced osmotic functions. Prepared by the following method:

[0194] like Image 6 shown. The processed non-woven fabric containing high water retention resin powder is used to sew a tubular gel protective layer 13, which is placed outside the "anti-external pressure micro-irrigation tube" of Example 1, so that the middle layer is a capillary permeable tube 11 , the inner layer is a perforated threaded pipe 12, and the outer layer is a gel protective layer 13 "anti-external pressure, anti-clogging permeation micro-irrigation tube".

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Abstract

The invention relates to a micro-irrigation system, a manufacturing method and an application of the micro-irrigation system. An irrigation element of an irrigation section of the micro-irrigation system is an unpowered self-adapting, lasting and balanced infiltrating micro-irrigation pipe or container; the irrigation element comprises a capillary infiltration layer (11) with a three-dimensional mesh structure; and the capillary infiltration layer is made from a capillary infiltrating micro-irrigation material with the three-dimensional mesh structure, and the micro-irrigation element is further coated with a gel protective layer (13). The micro-irrigation system has a composite infiltration structure, and the water can automatically permeate outwards or stop permeating outwards through the infiltrating micro-irrigation element according to the water potential height of the soil contacting the water. The system has the functions of resisting blockage and bacterium and can prevent a mouse, can be widely applied to the field of water-saving micro-irrigation and applied to a desert to play the roles of stabilizing sand and improving the desert, and can be applied to saline and alkaline lands to play the roles of holding down salt and alkali and transforming the saline and alkaline lands.

Description

technical field [0001] The invention relates to a water-saving micro-irrigation system, in particular to a buried micro-irrigation system with a seepage function. Background technique [0002] my country's water resources only account for 6% of the world's total, which is more scarce than cultivated land resources (accounting for 9% of the world's total). The shortage of water resources has become a bottleneck that seriously restricts the sustainable development of my country's national economy. Agriculture is the industry that consumes the most water in my country, accounting for more than 70% of the total water consumption, of which the water consumption for farmland irrigation accounts for 90% to 95% of the agricultural water consumption. However, the coexistence of shortage of water resources and waste of water resources in our country is very serious. Due to backward irrigation technology, serious waste of water resources and low utilization efficiency have exacerbated...

Claims

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Application Information

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IPC IPC(8): A01G25/00B32B1/08B32B27/18C08L23/06C08L23/12C08L23/14C08L23/20C08L25/06C08L67/00C08L77/00C08L69/00C08K13/02C08K3/22C08K3/26C08K3/34C08K3/08
Inventor 王建民史贞
Owner 深圳市金麦田网络技术有限公司
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