Device for collecting subsurface flow through horizontal rotation and extrusion

A technology of horizontal rotation and flow in the soil, applied in the field of hydrology experimental research, it can solve the problems of complex water movement and inability to display the soil wetting front, and achieve the effect of high efficiency and easy rapid reuse.

Active Publication Date: 2019-04-16
义乌市宏博机械科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the existing device that directly observes the movement of soil moisture through a glass window makes the observation more intuitive, the movement of moisture inside the soil is more complicated. The glass window only reflects part of the facts, and cannot accurately understand the inside of the soil layer that is invisible to the naked eye. Demonstration of the soil wetting front

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  • Device for collecting subsurface flow through horizontal rotation and extrusion
  • Device for collecting subsurface flow through horizontal rotation and extrusion
  • Device for collecting subsurface flow through horizontal rotation and extrusion

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Embodiment Construction

[0038] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0039] combine Figure 1 to Figure 4 As shown, a soil tank can be used to observe the migration of the soil wetting front and collect the soil flow in layers. The length, width and height of the soil tank in the experimental design are 5m×2m×1.3m, which can simulate the rainfall process on a large scale. Response relationship of different underlying surface, slope, rainfall intensity and previous soil moisture content to soil moisture migration.

[0040] The experimental equipment that can observe the migration of the soil wetting front and collect the soil midflow in layers mainly includes: a horizontal rotary extrusion collection soil midflow device, a bottom waterproof device 6, a side tempered glass 2, a fine gauze net 9, an iron net 10, Soil midstream layered collection device 7 and diversion device 4.

[0041] Among them, (1) the water...

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Abstract

The invention discloses a device for collecting the subsurface flow through horizontal rotation and extrusion, which comprises a sleeve and a driving rod, wherein the driving rod is located in the sleeve, the outer wall of the sleeve is provided with scales, the upper end is open, the lower end is connected with a conical part, the sleeve is provided with a plurality of radial holes at different positions in the axial direction, each radial hole is internally provided with a telescopic moving component, one side of the telescopic moving component extends into the sleeve and is provided with two first guiding surfaces, the other side of the telescopic moving component is provided with a telescopic collection chamber, the telescopic collection chamber is internally provided with a soil moisture sensor, and the driving rod is provided with first pushing members with the quantity being the same as that of the telescopic moving components. The advantages lie in that the device can be buriedin the soil and can collect and analyze the moisture content of soil at different depths, thereby being capable of more objectively reflecting the movement of the soil wetting front and the responserelation thereof to rainfall.

Description

technical field [0001] The invention relates to the technical field of hydrological experiment research, in particular to a horizontal rotary extrusion device for collecting soil midstream. Background technique [0002] Under the dual influence of climate change and human activities, the evolution of water cycle in the basin is undergoing profound changes. Climate change affects the hydrological cycle by changing precipitation, temperature, sunshine, wind, relative humidity, etc., and then changes the temporal and spatial distribution of precipitation, runoff, evaporation, soil moisture and other hydrological elements. Human activities affect the hydrological cycle process by changing the underlying surface of the basin and the spatio-temporal distribution pattern of water. Therefore, the response relationship between soil moisture change and runoff during the rainfall process, or the response relationship between different slopes, rainfall intensities, and underlying surfa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24
CPCG01N33/246
Inventor 不公告发明人
Owner 义乌市宏博机械科技有限公司
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