Self-suction localized irrigation system

An irrigation system, self-priming technology, applied in horticulture, botanical equipment and methods, cultivation and other directions, can solve the problems of easy blockage of the dripper due to evaporation loss, reduce the investment per unit area of ​​the system, etc., to facilitate construction and laying, improve irrigation uniformity degree, and the effect of saving investment

Inactive Publication Date: 2010-03-17
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology

Although the indirect underground drip irrigation technology supplies water in the form of surface drip irrigation, the irrigation effect of underground drip irrigation is realized through water guide devices such as sand holes and sand ditches, which overcomes the shortcomings of large surface drip irrigation evaporation loss and easy clogging of underground drip irrigation emitters, but there is no significant reduction. The unit area investment of the system, they are only a partial improvement on the problems of drip irrigation technology

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  • Self-suction localized irrigation system

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Embodiment Construction

[0022] In order to better solve the problems existing in the drip irrigation technology and give full play to the advantages of the local water-controlled underground irrigation technology in the root zone and the indirect underground drip irrigation technology, the present invention combines the principles of the local water-controlled underground irrigation technology in the root zone and the indirect underground drip irrigation technology, and proposes A self-priming local irrigation system that can measure water volume and adjust pressure is developed. This irrigation system can not only save investment in water lifting and pressurizing equipment, shorten the duration of irrigation that only depends on the effect of soil water potential gradient, but also overcome large evaporation loss and dripping. The head is easy to block and other shortcomings.

[0023] Such as figure 1 Shown, is the structural representation of the self-priming local irrigation system of the present ...

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Abstract

The invention discloses a self-suction localized irrigation system, comprising a water supply container, a water inlet, at least one air inlet, a water outlet, a water pipe and a tubule water dropper,wherein, the water inlet, the air inlet and the water outlet are arranged on the water supply container; the air inlet is higher than the water outlet; the water pipe is connected on the water outletand is provided with at least one through hole; the water pipe is arranged on the surface of the earth, the tubule water dropper is arranged in soil, and one end part of the tubule water dropper is connected with the through hole. The self-suction localized irrigation system has the advantages of water and energy conservation, investment conservation, high irrigation uniformity and convenient useand management and the like; as the depth of seeper can be adjusted and infiltration area is large in the process of infiltration, the irrigation time is short, thus achieving the purpose of labor and time saving. In the invention, uniform constant head pressure is obtained in all water guide devices by adjusting the height of the air inlet of an Ma bottle with scales, thereby improving irrigation uniformity and accurately controlling required irrigation quantity of water.

Description

technical field [0001] The invention relates to a local irrigation technology in agricultural irrigation, in particular to a self-priming local irrigation system. Background technique [0002] Drip irrigation is the most widely used local irrigation technology in the world. According to the different layout of pipe network and emitters, it can be divided into surface drip irrigation and underground drip irrigation. Drip irrigation technology can significantly save irrigation water, increase water use efficiency and yield, and has the advantages of improving fertilizer and pesticide application efficiency and improving product quality. Drip irrigation is a kind of pressurized irrigation. The existence of pressure in the water pipe makes it necessary to install water lifting pressurization, flow adjustment and other equipment in the drip irrigation system, thereby increasing the investment cost of drip irrigation technology, which limits the popularization and application of d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/00
Inventor 赵伟霞李久生栗岩峰
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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