Drip tape

A technology of drip irrigation belt and belt body is applied in the field of agricultural irrigation devices, which can solve the problems of poor and uneven water output, affecting the use effect and service life, etc., and achieve the effect of reducing the probability of clogging and prolonging the service life.

Active Publication Date: 2014-05-14
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, even if the irrigation water passes through the centrifugal filtration of the head, there will still be a small amount of particulate matter such as soil and sand mixed into the irrigation water, which will block the capillary flow channel when flowing through the micropores of the water reducer, making the water flow poor or uneven, affecting the use effect and lifespan, seriously restricting the popularization and promotion of drip irrigation

Method used

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Embodiment Construction

[0020] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so as to better understand the purpose, features and advantages of the present invention. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but only to illustrate the essence of the technical solutions of the present invention.

[0021] Figure 1-4 A schematic structural diagram of an existing typical drip irrigation belt is shown. Such as Figure 1-4 As shown, the drip irrigation belt (drip irrigation pipe) 1 is composed of an upper belt body 11 and a lower belt body 12. The upper belt body 11 and the lower belt body 12 are respectively provided with connecting parts 11a and 12a. By bonding the connecting parts 11a and 12a , sintering, sewing, etc. are sealed and connected so that the upper belt body 11 and the lower belt body 12 are combined together. A water pres...

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PUM

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Abstract

The invention discloses a drip tape comprising an upper tape and a lower tape. The lower tape is provided with water pressure reducers. A filter is disposed between the upper tape and the lower tape, so that irrigation water which is filtered before entering the drip tape is filtered again by the filter before entering the water pressure reducers, and the irrigation water which is filtered again can drop from the water pressure reducers. A filter layer is added to the drip tape, so that before the irrigation water enters the water pressure reducers of the drip tape, various particles such as sand in the irrigation water can be further filtered, chances of pores of the pressure reducers being blocked are slimmed, the service life of the drip tape is prolonged and service efficiency is improved.

Description

technical field [0001] The invention relates to an agricultural irrigation device, in particular to a drip irrigation belt. Background technique [0002] Drip irrigation is an advanced agricultural irrigation method. Water is supplied through drip irrigation belts (or drip irrigation pipes) placed at the roots of crops. There are many small water outlets on the drip irrigation belt, and the water overflowing from the outlets slowly moistens the rhizosphere of crops. soil. Due to the controllable wet range, drip irrigation is currently the most effective water-saving irrigation method. In addition to saving water, it can also reduce fertilizer loss and promote crop growth. [0003] Drip irrigation belts have various structures, mainly divided into labyrinth drip irrigation belts and inlaid patch drip irrigation belts. The labyrinth drip irrigation belt is made of thin-walled pipes, and various shapes of decompression channels (water pressure reducers) are thermally sealed o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/02
Inventor 王世平赵丽萍
Owner SHANGHAI JIAO TONG UNIV
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