Detecting device for infiltration performance of earth pillar

A detection device, soil column technology, applied in the direction of measurement device, permeability/surface area analysis, suspension and porous material analysis, etc., can solve the problems of insufficient accuracy, complicated operation, multiple moisture sensors and moisture tensiometers, etc. achieve accurate results

Active Publication Date: 2015-11-18
KUNMING UNIV OF SCI & TECH
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Problems solved by technology

Among them, the real-time automatic measurement system of soil infiltration performance is mainly aimed at the measurement of soil runoff, which is not suitable for soil column infiltration; a device and method for measuring the infiltration coefficient of unsaturated soil is the infiltration coefficient of unsaturated soil, but the device If higher measurement accuracy is required, more moisture sensors and moisture tensiometers are required, and the cost of the device is high. At the same time, the iterative method is used to obtain the moisture infiltration coefficient, which is complicated in operation and low in automation; an adjustable soil infiltration performance detection It is only suitable for indoor so

Method used

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  • Detecting device for infiltration performance of earth pillar
  • Detecting device for infiltration performance of earth pillar
  • Detecting device for infiltration performance of earth pillar

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Effect test

Embodiment 1

[0059] Embodiment 1: as Figure 1-22As shown, the local column infiltration performance detection device includes a base 3, a horizontal rotation adjustment mechanism, an entry and exit soil column adjustment mechanism, and a height adjustment mechanism. The horizontal rotation adjustment mechanism is set on the base 3, and the entry and exit soil column adjustment mechanism is set on the horizontal rotation adjustment mechanism Above, the height adjustment mechanism is set on the entry and exit soil column adjustment mechanism; the horizontal rotation adjustment mechanism includes a horizontal rotation gear I11, a stepping motor 12, a horizontal rotation slider 13, a horizontal rotation slide rail 14, and a horizontal rotation gear II15. The rotary slide rail 14 and the horizontal rotary gear II 15 are fixed on the base 3, the horizontal rotary slide rail 14 is located inside the horizontal rotary gear II 15, the horizontal rotary slide block 13 is arranged on the horizontal r...

Embodiment 2

[0066] Embodiment 2: as Figure 2-23 As shown, the local column infiltration performance detection device includes universal wheel 1, universal wheel bracket 2, base 3, horizontal rotation adjustment mechanism, entry and exit soil column adjustment mechanism, height adjustment mechanism, soil holding container 22, and the horizontal rotation adjustment mechanism is set on On the base 3, the adjusting mechanism for the entry and exit soil column is arranged on the horizontal rotation adjustment mechanism, the height adjustment mechanism is arranged on the adjustment mechanism for the entry and exit soil column, the soil holding container 22 is installed at the center of the base 3, and the lower end of the base 3 is provided with a universal wheel support 2, The universal wheel 1 is installed on the universal wheel bracket 2; wherein the horizontal rotation adjustment mechanism includes a horizontal rotation gear I11, a stepping motor 12, a horizontal rotation slider 13, a horiz...

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Abstract

The invention discloses a detecting device for the infiltration performance of an earth pillar. The detecting device comprises a base, a horizontal rotation adjusting mechanism, an earth pillar inlet-outlet adjusting mechanism and a height adjusting mechanism, wherein the horizontal rotation adjusting mechanism is arranged on the base; the earth pillar inlet-outlet adjusting mechanism is arranged on the horizontal rotation adjusting mechanism; the height adjusting mechanism is arranged on the earth pillar inlet-outlet adjusting mechanism. According to the invention, the device can directly detect the migration of the wetting front during the earth pillar infiltration process, and can quickly detect multiple indexes ( temperature, electric conductivity, pH and the like) during the earth pillar infiltration process, is simple in structure, can realize the detection on related indexes during the indoor earth pillar infiltration process, and can also realize the detection on related indexes during the outdoor undisturbed soil infiltration process, thereby being suitable for relevant colleges and universities as well as scientific research institutions to carry out quick detection of relevant parameters during the earth pillar infiltration process.

Description

technical field [0001] The invention relates to a soil column infiltration performance detection device, in particular to a soil column infiltration wetting front migration and related index detection device, which belongs to the technical field of water-saving irrigation. Background technique [0002] Infiltration is a physical phenomenon in which water infiltrates into the soil. It is a water exchange process on the land surface that is combined with factors such as soil hydraulic properties, water conditions, and water supply conditions. It is related to hydrological conversion, soil erosion, soil moisture, nutrients, salt, and heavy metal ion migration. are closely related. Infiltration is represented by the infiltration water depth per unit time (that is, infiltration intensity or infiltration rate), or by the cumulative infiltration curve over time. When water infiltrates into the soil, some physical properties of the soil will change with the infiltration of water, s...

Claims

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Application Information

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IPC IPC(8): G01N15/08
Inventor 杨启良贾维兵武振中李婕徐曼刘冰
Owner KUNMING UNIV OF SCI & TECH
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