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Series pressure regulation type negative pressure infiltrating irrigation system

A pressure regulating and negative pressure technology, applied in the field of series pressure regulating negative pressure infiltration irrigation system, can solve problems such as difficulty in negative pressure regulation, and achieve the effects of flexible and convenient regulation, energy saving and equipment investment saving.

Inactive Publication Date: 2014-07-09
张振华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art, and provide a series pressure regulating negative pressure infiltration irrigation system, which mainly solves the problems such as the difficulty of negative pressure adjustment in the existing technology

Method used

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  • Series pressure regulation type negative pressure infiltrating irrigation system

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Embodiment 1

[0015] Example 1, see figure 1 , taking four pressure regulating chambers as an example, the emitter 7 is buried underground and connected with the water delivery capillary 6, and the water delivery capillary 6 is connected with the water supply chamber 5 through the water outlet 9 with the control switch 8; the water supply chamber 5 The lower end is sealed, and the air intake pipe 10 that can move up and down is inserted into the interior through the upper end of the water supply chamber 5. There is a suction nozzle 11 at the upper end of the water supply chamber 5. There is a water inlet above the water supply chamber 5. The water inlet can be sealed by a sealing plug 12; the first pressure adjustment Chamber 1, the second pressure regulating chamber 2, the third pressure regulating chamber 3, and the fourth pressure regulating chamber 4 are all cylindrical, with the same specifications, 5-10cm in diameter, 100-200cm in height, made of transparent materials, using plexiglas...

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Abstract

The invention discloses a series pressure regulation type negative pressure infiltrating irrigation system. The water outlet pressure caused by the underground negative pressure infiltrating irrigation is regulated through a series pressure regulation chamber and accordingly the accurate control on a wide range of negative pressure is achieved, an appropriate negative pressure water head can be selected according to the growth conditions of crops, the ecological environment of the crop root zone can be further optimized, and the water use efficiency is improved; the irrigation system is simple in structure and convenient to use, manage and maintain and the labor is saved; meanwhile fertilizer can be soluble in water for fertilizer water irrigation and accordingly the utilization efficiency of the fertilizer is improved and the pollution to the soil and underground water is reduced.

Description

technical field [0001] The invention relates to the technical field of agricultural irrigation, in particular to a series pressure regulating negative pressure seepage irrigation system. Background technique [0002] At present, advanced agricultural water-saving irrigation technologies include sprinkler irrigation and micro-irrigation. The use of sprinkler irrigation is affected by meteorological conditions. In the arid and semi-arid areas of northern my country where the wind is strong, the evaporation and drift loss of water during the sprinkler irrigation process greatly reduces the water-saving effect of sprinkler irrigation. In addition, sprinkler irrigation requires greater pressure. The requirements are relatively high, and it is difficult to implement in some areas. The micro-irrigation system uses special equipment to turn the pressurized water flow into small water flow or water droplets, moistens the soil near the root layer of the crop, and has an ideal water-sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/06
Inventor 张振华杨润亚刘贤赵
Owner 张振华
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