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Secondary saline-alkali soil crop drip irrigation device and drip irrigation method

A technology for saline-alkali land and crops, applied in the field of drip irrigation devices for secondary saline-alkali land crops, can solve problems such as the easy structure of the dripper, and achieve the effects of improving water saving, small footprint, and improving service life and performance

Inactive Publication Date: 2017-02-01
SHANDONG SUNWAY LANDSCAPE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of the easy structure of the dropper in the prior art, the present invention provides a drip irrigation device and drip irrigation method for secondary saline-alkali land crops

Method used

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  • Secondary saline-alkali soil crop drip irrigation device and drip irrigation method
  • Secondary saline-alkali soil crop drip irrigation device and drip irrigation method
  • Secondary saline-alkali soil crop drip irrigation device and drip irrigation method

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Experimental program
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Effect test

Embodiment 1

[0021] Such as Figure 1~3 As shown, a drip irrigation device for secondary saline-alkali land crops includes a water storage tank 1, a main pipe 2 and several droppers 3, the main pipe 2 communicates with the water storage tank 1, and the dropper 3 includes an outer pipe 31 and a set The inner tube 32 in the outer tube 31, the inner tube 32 is connected with the main pipe 2, and the end of the inner tube 32 connected with the main pipe 2 is provided with a mesh plate 37, the inner tube 32 Filled with packing 33, the connection between the main pipe 2 and the inner pipe 32 is provided with a cleaning opening 36, and the wall of the inner pipe 32 is provided with a through hole 34 communicating with the cavity of the outer pipe 31, and the size of the packing 33 is Larger than the size of the through hole 34, the outer tube 31 is provided with a dripper 35′. The water storage tank 1 is provided with two liquid level sensors 11 with different heights, the water storage tank 1 i...

Embodiment 2

[0024] As Example 1 and an improvement, such as Figure 4 As shown, the water storage tank 1 is provided with a branch pipe port, and the branch pipe port is connected to the main pipe 2 through a high-pressure pump 5, and a valve 4 is arranged at the connection between the main pipe 2 and the water storage tank 1, so The valve 4 is arranged at the front end of the connection between the high pressure pump 5 and the main pipe 2 . Other structures are with embodiment 1. When the water pressure in the water storage tank 1 is too small, close the valve 4, open the high-pressure pump 5, and increase the pressure in the drip tube 3 through the high-pressure pump 5, so that the drip tube 3 can perform drip irrigation normally, or control the drip irrigation volume and Dropper 3 speeds.

Embodiment 3

[0026] As an improvement of embodiment 1 or 2, such as Figure 5 As shown, the dripper 35 is located on both sides of the outer tube 31, and the dripper 35 is provided with a deflector 6, and the deflector 6 is arranged obliquely downward with an inclination angle of 2-5°. The bottom of the deflector 6 is provided with several protrusions 61, and other structures are the same as those in Embodiment 1 or 2. The water coming out of the dripper 35 is guided by the deflector 6 to form water droplets at the protrusion 61 and drip down, thereby increasing the coverage area of ​​the drip irrigation and making the irrigation relatively uniform.

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Abstract

The invention belongs to the field of irrigation. A secondary saline-alkali soil crop drip irrigation device comprises a water storage tank, a main pipe and multiple drip pipes, wherein the main pipe is communicated with the water storage tank; the drip pipe comprises an outer pipe and an inner pipe arranged in the outer pipe; the inner pipe is connected with the main pipe and internally filled with filler; a through hole communicated with an outer pipe cavity is formed in the pipe wall of the inner pipe; the size of the filler is greater than that of the through hole; and a drip head is arranged on the outer pipe. According to the invention, the structure is simple, and filler is arranged in the drip pipe; with a large surface area, the filler can contact with the drip irrigation water, then a filtering effect can be realized, scales all appear on the filler surface, and few scales are generated on the inner pipe and outer pipe of the drip pipe; by arranging the filler in the inner pipe, the problem of blocking of a plug on the outer pipe is avoided for sure, the service life of the equipment is prolonged, and performance of the equipment is improved; and moreover, with a little water stored in the drip pipe, the requirement for efficient drip irrigation can be met, and the water saving property of drip irrigation is improved.

Description

technical field [0001] The invention belongs to the irrigation field, and in particular relates to a drip irrigation device and a drip irrigation method for secondary saline-alkali land crops. Background technique [0002] Drip irrigation is a common irrigation method in arid and water-scarce areas. It has good water-saving properties, high utilization rate of irrigation water, and the effect of increasing production. Drip irrigation is also a common irrigation method in saline-alkali land. Blockage is the main problem in drip irrigation technology. In severe cases, the entire system will not work properly. For example, sediment in water, organic matter or microorganisms, and chemical precipitation will cause blockage. Generally, it is necessary to filter the water and then operate the dropper, which leads to a large area of ​​the equipment. How to solve the problem of blockage in drip irrigation has become the primary problem to be solved by drip irrigation technology. Co...

Claims

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Application Information

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IPC IPC(8): A01G25/02
CPCA01G25/02Y02A40/22
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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