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Experimental device used for simulating water transporting process in soil

An experimental device and experimental technology, applied in the fields of soil science and agricultural science, can solve problems such as difficulty in measuring various moisture indicators

Inactive Publication Date: 2016-01-27
赵海超 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention solves the problem that it is difficult to measure various moisture indexes when carrying out soil moisture research experiments in the prior art, and further provides an experimental device that is easy to operate, suitable for batch experiments and capable of measuring various moisture indexes

Method used

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  • Experimental device used for simulating water transporting process in soil
  • Experimental device used for simulating water transporting process in soil
  • Experimental device used for simulating water transporting process in soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This embodiment provides an experimental device for simulating the water migration process in soil, including an operation table, the operation table can be an iron frame platform 17, and a lifting device is arranged on the iron frame platform 17, and the experimental container 6 is detachably installed on the lifting device, and the lifting device is suitable for reciprocating vertically along the operating table; the lifting device in this embodiment is suitable for sliding up and down along the iron frame platform 17 and Fixed iron clip 18.

[0040] The experimental device in the present embodiment is provided with an experimental container 6, and the experimental container is clamped on the iron frame 18; A filter head 7 is installed at the end, and filter paper is arranged in the filter head 7, and the filter paper is sealed and connected with the bottom opening of the experimental container 6, and can accept the soil packed into the experimental container; the exper...

Embodiment 2

[0051] This embodiment provides an experimental device for simulating the water migration process in soil, such as figure 1 As shown, it includes an operating platform, the operating platform can be an iron frame platform 17, and a lifting device is arranged on the iron frame platform 17, and the experimental container 6 is detachably installed on the described lifting device, and the described lifting device is suitable Perform vertical reciprocating motion along the operating table; the lifting device in this embodiment is two iron clamps 18 suitable for sliding up and down along the iron frame platform 17 and fixed.

[0052] The experimental device described in the present embodiment is provided with two experimental containers 6, and the top and the bottom end of each of the experimental containers 6 are all opened, and a filter head 7 is installed at the bottom of each of the experimental containers 6. Described filter head 7 is provided with filter paper, and described f...

Embodiment 3

[0057] The experimental device for simulating the water movement process in the soil described in this embodiment, such as figure 2 shown, including:

[0058] An operating platform, the operating platform includes a base 1 and an operating rod 2 fixedly installed above the base 1; a lifting device is nested on the operating rod 2, which is suitable for driving the experimental container 6 along the The operating rod 2 performs reciprocating motion in the vertical direction. Wherein, the lifting device includes a connecting piece 3 and a crossbeam 5, and a mounting hole is provided through the connecting piece 3, and the connecting piece 3 is sleeved on the operating rod 2 through the mounting hole; The connecting piece 3 is fixedly connected and arranged perpendicular to the axis of the operating rod 2; a hydraulic device 12 is also provided, and the hydraulic device 12 is connected to the connecting piece 3 and is suitable for driving the connecting piece 3 to move up and d...

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Abstract

The invention provides an experimental device used for simulating the water transporting process in soil. The experimental device comprises an experimental container, an operating table and a water control device, wherein openings are formed in the top end and the bottom end of the experimental container respectively, a filter head is installed at the bottom end of the experimental container, a lifting device is arranged on the operating table, the experimental container is detachably installed on the lifting device, the lifting device is suitable for moving along the operating table in a reciprocating mode in the vertical direction, and the water control device is arranged at the top end of the experimental container and can control the water volume and water to seep into the soil uniformly. By adjusting the height of the water in a water tank, different irrigation and rainfall conditions can be simulated; soil water transporting parameters are measured accurately; in addition, soil nutrition transporting parameters can be measured; by changing the water inlet direction, transporting parameters of underground water rising can be simulated; as the soil water and nutrition transporting parameters are detected at the same time, the soil water and fertilizer coupling mechanism is analyzed easily, and the experimental device has great theoretical guidance significance in guiding the irrigation water volume and the water-saving technology.

Description

technical field [0001] The invention belongs to the category of soil science and agricultural science, and in particular relates to an experimental device suitable for simulating the migration process of water and soluble nutrients in soil under different irrigation and rainfall conditions. Background technique [0002] Soil moisture in farmland is a key factor affecting crop yield and soil fertilizer efficiency. The movement of soil moisture drives the movement of soil nutrients, which has an important impact on the absorption of crops and the loss of soil nutrients. Irrigation and rainfall are the main sources of soil moisture. Clarifying the influence of soil physical and chemical properties on soil moisture migration is a key issue for rational irrigation and water-saving agriculture. It also has important theoretical guiding significance for improving soil and other agronomic measures. Agronomic techniques such as water saving and fertilization are the key areas of sust...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N13/00
Inventor 赵海超黄智鸿赵海香刘贵河
Owner 赵海超
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