Pressure adjustable type subsurface irrigation system

An adjustable underground infiltration irrigation technology, applied in the field of agricultural irrigation, can solve the problems of low water use efficiency, difficult negative pressure adjustment, and large energy waste, and achieve the effects of saving equipment investment, flexible and convenient adjustment, and improving utilization efficiency

Inactive Publication Date: 2013-04-24
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 pressure-adjustable underground infiltration irrigation system, which mainly solves the problems of large investment, large energy waste, low water use efficiency, and difficulty in negative pressure adjustment in the existing prior art. And other issues

Method used

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  • Pressure adjustable type subsurface irrigation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1, see figure 1 , taking underground negative pressure seepage irrigation as an example, the emitter 4 is buried in the ground and connected with the water capillary 3. The emitter 4 is water-permeable and airtight, and is made of clay material. The water capillary 3 is passed through a control switch 12 The water outlet 11 is connected with the water supply chamber 2, the lower end of the water supply chamber 2 is sealed, and the upper part of the water supply chamber 2 is provided with an air extraction nozzle 9, which is used to extract the gas in the closed space of the water supply chamber 2. There is a water inlet above the water supply chamber 2, and the water inlet The water port can be sealed by the second sealing plug 13; the lower end of the pressure regulating chamber 1 is sealed, and the upper end has a water inlet and is sealed with the first sealing plug 7; the first air intake pipe 5 that can move up and down is inserted into the interior through...

Embodiment 2

[0016] Embodiment 2, taking underground non-pressure seepage irrigation as an example, the system connection part is the same as that of Embodiment 1, the difference is that the emitter 4 is a common emitter, and the control switch 12 is closed before irrigation, and the pressure regulating chamber 1 and the water supply chamber 2 are connected to each other. Fill the water inside to the predetermined position, use the sealing plug to seal the pressure regulating chamber 1 and the water supply chamber 2, and adjust the positions of the first air inlet pipe 5 and the second air inlet pipe 6 according to the needs, and the distance between the end of the first air inlet pipe 5 and the pressure regulating chamber 1 The distance of the inner water surface is recorded as h 1 , the distance from the end of the second air intake pipe 6 to the emitter 4 is denoted as h 2 , and require h 2 equal to h 1 ; Open the switch 12, under the effect of water pressure and soil suction, the wat...

Embodiment 3

[0017] Embodiment 3, taking the underground pressurized seepage irrigation as an example, the system connection part is the same as that of Embodiment 1, the difference is that the emitter 4 is a common emitter, and the control switch 12 is closed before irrigation, and the pressure regulating chamber 1 and the water supply chamber 2 are connected to each other. Fill the water inside to the predetermined position, use the sealing plug to seal the pressure regulating chamber 1 and the water supply chamber 2, and adjust the positions of the first air inlet pipe 5 and the second air inlet pipe 6 according to the needs, and the distance between the end of the first air inlet pipe 5 and the pressure regulating chamber 1 The distance of the inner water surface is recorded as h 1 , the distance from the end of the second air intake pipe 6 to the emitter 4 is denoted as h 2 , and require h 2 greater than h 1 ; Open the switch 12, under the effect of water pressure and soil suction, ...

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Abstract

The invention discloses a pressure adjustable type subsurface irrigation system which is characterize by comprising a pressure adjusting chamber (1), a water supply chamber (2), a water conveying capillary pipe (3) and a watering machine (4). The watering machine (4) is buried underground and communicated with the water conveying capillary pipe (3) which is connected with the water supply chamber (2) with the lower end sealed, a vertically-movable air inlet pipe (6) is inserted inside the water supply chamber (2) through the upper end of the water supply chamber (2), the pressure adjusting chamber (1) is provided with a sealed lower end, a vertically-movable air inlet pipe (5) is inserted inside the pressure adjusting chamber (1) through the upper end of the pressure adjusting chamber (1), and an air outlet mouth (8) is arranged at the upper end of the pressure adjusting chamber (1) and communicated with the air inlet pipe (6) through a pipeline (10). The pressure adjustable type subsurface irrigation system is simple in structure and convenient to use, manage and maintain, so that labor is saved; fertilizer can be dissolved in water for manuring irrigation, so that utilization efficiency of the fertilizer is improved, and pollution of soil and underground water is reduced; and the system is diverse in function, and various subsurface irrigation modes such as positive-pressure subsurface irrigation, non-pressure subsurface irrigation and pressured subsurface irrigation can be realized by pressure adjusting.

Description

technical field [0001] The invention relates to the technical field of agricultural irrigation, in particular to a pressure-adjustable underground 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. High requirements, 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-saving effect. And dripper and other parts,...

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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