CN207472718U - A kind of analogue observation device of rainfall on slope land deep layer Infiltration characteristics - Google Patents
A kind of analogue observation device of rainfall on slope land deep layer Infiltration characteristics Download PDFInfo
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- CN207472718U CN207472718U CN201721671308.4U CN201721671308U CN207472718U CN 207472718 U CN207472718 U CN 207472718U CN 201721671308 U CN201721671308 U CN 201721671308U CN 207472718 U CN207472718 U CN 207472718U
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- slope surface
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- rainfall
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Abstract
The utility model is related to a kind of analogue observation devices of rainfall on slope land deep layer Infiltration characteristics.Including:Slope surface soil body observing unit that different gradient and the soil texture can be set, the deep soil water collecting unit for the soil water deep percolation that certain depth slope surface can be collected, the rainfall simulation unit that different rainfalls and raininess can be simulated.Establish slope surface soil body observing unit, installation deep soil water collecting unit in unit, and utilize the catchment of rainfall simulation unit setting different characteristic, feature occurs by measuring the water in water collecting unit, including water and time of origin, clearly under difference condition of raining, different soils quality, different slope surface angles, the soil moisture deep percolation quantative attribute of slope surface certain depth provide test basis for the analysis of slope surface environment soil water balance.
Description
Technical field
The utility model is related to the generation point and quantitative observation of slope surface precipitation deep layer infiltration process, specifically a kind of slopes
The analogue observation device of face rainfall deep layer Infiltration characteristics.
Background technology
Soil moisture deep layer infiltrate quantity be carry out soil water balance research, rainfall to underground water supplement process study,
The essential important quantity parameter of slope surface research soil and water conservation etc..Soil moisture deep percolation acquisition pattern is for many years
It is clear and definite to fail always, mainly using the side such as mathematical model analog form, soil water content change procedure, soil water potential difference
Formula estimated, obtains that numerical value change is larger, and versatility is insufficient, can only carry out self comparative analysis.Soil Slope moisture enters
The direct observation procedure of milliosmolarity is observed with the systematicness only to carry out independent observation in some fixed point, lacked to entire slope surface
Method, the proposition of this method can be obtained with the detailed observational study of the development Soil Slope moisture deep layer infiltration process of system
Different soils depth section under the conditions of different gradient, different soils quality, different characteristics of rainfall deep layer Infiltration number
Amount and feature provide a new means for correlative study work.
Utility model content
For above-mentioned deficiency of the prior art, Infiltration time of origin sum number in the earth of slope surface different location is obtained
Amount.The utility model technical solution used for the above purpose is:
A kind of analogue observation device of rainfall on slope land deep layer Infiltration characteristics, including:
Slope surface soil body observing unit is the babinet of upper and lower opening, the pedotheque of differing texture is backfilled simultaneously in the babinet
And soil slope surface variable-angle;
Deep soil water collecting unit is arranged in the soil in slope surface soil body observing unit, is multiple from top of the slope to bottom of slope
The collecting container being placed adjacent successively, each collecting container are apart from the highly consistent of slope surface, the collecting container upper end
Open architecture, lower plate center setting water outlet connect outlet pipe, and the outlet pipe passes through the babinet of slope surface soil body observing unit
To the observation ditch of the slope surface soil body observing unit side, the observation ditch uniformly collects all collecting containers through outlet pipe stream
The moisture gone out;
Rainfall simulation unit, including water supply line and be successively set on water supply line water pump, filter, pressure reducing valve,
Ball valve, nozzle;Underground water is drawn in water supply line by the water pump;The filter filters out the impurity in underground water;It is described
Pressure reducing valve adjusts nozzle discharge pressure;Nozzle switch during the ball valve control simulated rainfall;The nozzle is multiple and arrangement
Above deep soil water collecting unit, soil slope surface of each nozzle in slope surface soil body observing unit is highly consistent.
The babinet is made of iron plate.
The babinet of the slope surface soil body observing unit is surrounded by partition board, and the divider height is 3m.
The depth of the deep soil water collecting unit is arranged between 1.5-2.5m, collects 1.5-2.5m depth soil under earth's surface
The Infiltration quantity in earth section.
The collecting container is arranged in the Central Line in slope surface soil body observing unit.
The collecting container is square or circular cylinder body.
The a diameter of 16mm of water supply line of the rainfall simulation unit;The nozzle is away from the soil in slope surface soil body observing unit
Earth slope surface distance is 0.7-1.5m;Nozzle spacing is 1.2m.
The utility model has the following advantages and advantageous effect:
1. different gradient, different soils quality, different drops can be directly observed using the observation device of the utility model
Soil Slope deep layer Infiltration quantity and time of origin under rain characteristic condition.
2. the influence of envirment factor is less subject to using the observed result of the observation device of the utility model.
3. the observation device of the utility model is economical and practical, cheap, convenient for widely applying.
Description of the drawings
Fig. 1 is the lateral diagrammatic cross-section of simulator in the utility model;
Fig. 2 is simulator longitudinal profile schematic diagram in the utility model;
Fig. 3 is simulator floor map schematic diagram in the utility model;
Fig. 4 is simulator rainfall simulation unit scheme of installation in the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
As shown in Figs. 1-3, the analogue observation device of a kind of rainfall on slope land deep layer Infiltration characteristics of the utility model, including:
Slope surface soil body observing unit, deep soil water collecting unit, rainfall simulation unit.
Slope surface soil body observing unit:The surrounding partition board of the observation slope surface soil body is made of 4mm iron plates, top and bottom are not closed,
All round closure, the width of babinet floor projection is 3 meters, and partition board is 3 meters high, and length can set different size according to experiment demand, and
Different gradient can be formed.The pedotheque of differing texture can be backfilled in babinet according to test requirements document.
Deep soil water collecting unit:Depth may be provided at 1.5-2.5m, you can collect 1.5-2.5m deep soils under earth's surface
The Infiltration quantity in section.Inside the slope surface soil body observing unit setting collection water collecting container, containers size for 1m × 1m ×
The square of 0.5m, suitable for reading not close, lower mouth closing, and centre setting water outlet in the soleplate, connect outlet pipe;Collecting container is set
It puts on slope surface soil body apparatus center of inside line, is continuously placed from top of the slope to bottom of slope, close continuous arrangement between each container, according to
The gradient adjusts container placing height, keeps all container upper surfaces unified with slope surface surface distance.All collecting container outlet pipes
From the punching of slope surface box side across in flank observation ditch inner opening, with moisture in collecting pipe.
Rainfall simulation unit:Set different rainfalls horizontal using the method for artificially-simulated rainfall, mainly including water supply line
With water pump, filter, pressure reducing valve, ball valve, the nozzle being successively set on water supply line, installation site is as shown in Figure 4.Water pump will
Underground water is drawn in water supply line, and the filter core of filter is filtration gauze cotton, be may filter that impurities in water prevents from blocking nozzle, is subtracted
Import hydraulic pressure is reduced to the outlet pressure (0.25-0.3Mpa) of needs by pressure valve, makes the state of outlet pressure remained steady, and ball valve exists
When simulated rainfall stops, closing ball valve prevents the water in pipe from being flowed out by nozzle and influencing simulated rainfall precision.Operating pressure at sprinkler:
0.25-0.3Mpa, nozzle is away from native table distance:0.7-1.5m, nozzle spacing:1.2m, single nozzle raininess:36.18-37.74mm/
H, main pipeline diameter:16mm.
Observation procedure is as follows:
1. initial soil moisture normalization:
It needs before on-test to adjust soil moisture content, experiment soil is subjected to saturation irrigation, when having in collecting container
Stop watering when water flows out, the time is recorded until outlet pipe no longer there are flowing out, soil to be kept to maintain maximum water-holding capacity
Thus level starts correlation test, open ball valve, the rainfall parameters such as different rainfalls, raininess are set by pressure reducing valve, closes
Start formal research observation work after the completion of ball valve precipitation.
2. test observation:
By different rainfalls treated the slope surface soil body starts Infiltration observation, each moisture collection container of manual record
Initial water discharging time, at interval of 1 hour (can voluntarily set) using graduated cylinder method manual record be discharged quantity, finally obtain slope
Face different parts are in the Infiltration quantity and time of origin feature that depth of soil is 1.5m (or other depth) section.
Demonstrator Trials condition is:The soil texture is aeolian sandy soil, and the experiment slope surface gradient is 15 degree, 6 meters of length of grade, measures depth and is
1.5 rice;For pipeline pressure 0.3Mpa, single nozzle raininess 36.18-37.74mm/h, artificial precipitation 72.94-75.48mm,
Water amount of seepage of interval observation in 6 hours, result of the test are shown in Table 1.
Water flowmeter (the unit observed after 1 artificially-simulated rainfall of table:ml)
3. test application extension
Slope surface angle can voluntarily set adjustment, it is possible thereby to the test data under the conditions of obtaining different gradient.Slope surface soil
Earth can as needed dose soil type with self-changeable, obtain the Infiltration quantity number under soil type
According to.Infiltrating depth sectional position can be adjusted, and by adjusting collecting container upper surface and the distance of earth's surface, can set different soil
The Infiltration experiment in earth depth section.Characteristics of rainfall is adjustable, different characteristics of rainfall can be set to carry out according to test requirements document
Infiltration observational study.
Claims (7)
1. a kind of analogue observation device of rainfall on slope land deep layer Infiltration characteristics, which is characterized in that including:
Slope surface soil body observing unit is the babinet of upper and lower opening, the pedotheque and soil of differing texture is backfilled in the babinet
Earth slope surface variable-angle;
Deep soil water collecting unit is arranged in the soil in slope surface soil body observing unit, for it is multiple from top of the slope to bottom of slope successively
The collecting container being placed adjacent, each collecting container is apart from the highly consistent of slope surface, and the collecting container upper end is opens
Structure, lower plate center setting water outlet connect outlet pipe, and the outlet pipe passes through the babinet of slope surface soil body observing unit to institute
In the observation ditch for stating slope surface soil body observing unit side, the observation ditch uniformly collects what all collecting containers were flowed out through outlet pipe
Moisture;
Rainfall simulation unit, including water supply line and be successively set on water supply line water pump, filter, pressure reducing valve, ball valve,
Nozzle;Underground water is drawn in water supply line by the water pump;The filter filters out the impurity in underground water;The pressure reducing valve
Adjust nozzle discharge pressure;Nozzle switch during the ball valve control simulated rainfall;The nozzle is multiple and be arranged in deep layer
Above soil water collecting unit, soil slope surface of each nozzle in slope surface soil body observing unit is highly consistent.
A kind of 2. analogue observation device of rainfall on slope land deep layer Infiltration characteristics according to claim 1, which is characterized in that institute
Babinet is stated to be made of iron plate.
A kind of 3. analogue observation device of rainfall on slope land deep layer Infiltration characteristics according to claim 1, which is characterized in that institute
The babinet for stating slope surface soil body observing unit is surrounded by partition board, and the divider height is 3m.
A kind of 4. analogue observation device of rainfall on slope land deep layer Infiltration characteristics according to claim 1, which is characterized in that institute
The depth for stating deep soil water collecting unit is arranged between 1.5-2.5m, collects the water in 1.5-2.5m deep soils section under earth's surface
It is divided into and oozes quantity.
A kind of 5. analogue observation device of rainfall on slope land deep layer Infiltration characteristics according to claim 1, which is characterized in that institute
It states in the Central Line that collecting container is arranged in slope surface soil body observing unit.
A kind of 6. analogue observation device of rainfall on slope land deep layer Infiltration characteristics according to claim 1, which is characterized in that institute
Collecting container is stated as square or circular cylinder body.
7. a kind of analogue observation device of rainfall on slope land deep layer Infiltration characteristics according to claim 1-6 any one,
It is characterized in that, a diameter of 16mm of water supply line of the rainfall simulation unit;The nozzle is away from slope surface soil body observing unit
Soil slope surface distance is 0.7-1.5m;Nozzle spacing is 1.2m.
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CN201721671308.4U CN207472718U (en) | 2017-12-05 | 2017-12-05 | A kind of analogue observation device of rainfall on slope land deep layer Infiltration characteristics |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107843527A (en) * | 2017-12-05 | 2018-03-27 | 中国科学院沈阳应用生态研究所 | A kind of analogue observation device and method of rainfall on slope land deep layer Infiltration characteristics |
CN109596498A (en) * | 2018-12-25 | 2019-04-09 | 核工业北京地质研究院 | A kind of field lixiviation experimental method suitable for Gobi deserf area |
-
2017
- 2017-12-05 CN CN201721671308.4U patent/CN207472718U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107843527A (en) * | 2017-12-05 | 2018-03-27 | 中国科学院沈阳应用生态研究所 | A kind of analogue observation device and method of rainfall on slope land deep layer Infiltration characteristics |
CN109596498A (en) * | 2018-12-25 | 2019-04-09 | 核工业北京地质研究院 | A kind of field lixiviation experimental method suitable for Gobi deserf area |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20191205 |
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CF01 | Termination of patent right due to non-payment of annual fee |