CN105277470B - For simulating the experimental provision of soil moisture migration process - Google Patents
For simulating the experimental provision of soil moisture migration process Download PDFInfo
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- CN105277470B CN105277470B CN201510789194.2A CN201510789194A CN105277470B CN 105277470 B CN105277470 B CN 105277470B CN 201510789194 A CN201510789194 A CN 201510789194A CN 105277470 B CN105277470 B CN 105277470B
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Abstract
It is used to simulating the experimental provision of soil moisture migration process, including experiment container the invention provides a kind of, experiment container top and bottom are open setting, and filter is provided with the bottom of experiment container；Operating desk, lowering or hoisting gear is provided with operating desk, experiment container is removably mounted on lowering or hoisting gear, and lowering or hoisting gear is suitable for carrying out the reciprocating motion on vertical direction along operating desk；Water control device, water control device is provided with experiment container top, discharge controllable and uniform moisture infiltrate soil.The application can simulate Different Irrigation and condition of raining by adjusting the height of moisture in tank.Accurate measure Soil Moisture Movement parameter, additionally it is possible to determine the parameter of migration of nutrient in soil simultaneously.It is capable of the parameter of migration of simulated groundwater rising by being transitted into water direction.By detecting the parameter of migration of soil moisture and nutrient simultaneously, be advantageous to analyze soil liquid manure coupling mechanism, to instruct duty and water-saving technology that there is important theory directive significance.
Description
Technical field
The invention belongs to agrology, agricultural sciences category, and in particular to one kind is applied to simulation Different Irrigation and rainfall bar
Soil moisture and the experimental provision of dissolubility nutrients movement process under part.
Background technology
Soil Water is the key factor for influenceing crop yield and soil fertility, and the migration band of soil moisture is broken ground
The migration of earth nutrient, the loss of absorption and soil nutrient to crop have important influence.Irrigate and rainfall is soil moisture
Main source, specify the key that soil physical and chemical property is Rational Irrigation and water-saving agriculture to the affecting laws of Soil Moisture Movement
Problem, while there is important theory directive significance to improving the agronomic measures such as soil.The agronomic techniques such as water saving getting fat are agriculturals
The major fields of sustainable development, at present, research soil liquid manure migration rule have become a focus of this area.
Mainly soil is dried by blast drier when carrying out soil moisture research experiment for prior art,
So as to determine moisture content index, but this method can only determine moisture content and error it is larger, it is difficult to determine Soil Moisture Movement
Other Water Transport indexs such as speed.Soil Moisture Movement process how is simulated, the problem of obtaining accurate experiment data, is
Prior art urgent problem.
The content of the invention
What the present invention solved is when carrying out soil moisture research experiment in the prior art, it is difficult to determines a variety of moisture content index
Problem, and then provide and a kind of easily operate, be suitable for batch experiment and can determine the experimental provision of a variety of moisture content index.
The present invention solve the technical scheme that uses of above-mentioned technical problem for：
For simulating the experimental provision of soil moisture migration process, it is characterised in that including：
Experiment container, the top and bottom of the experiment container are open setting, are installed in the bottom of the experiment container
There is filter, filter paper is provided with the filter, the bottom end opening of the filter paper and the experiment container is tightly connected；
Operating desk, is provided with lowering or hoisting gear on the operating desk, and the experiment container is removably mounted on the liter
On falling unit, the lowering or hoisting gear is suitable for carrying out the reciprocating motion on vertical direction along the operating desk.
The experiment container is provided with two, and the filter of described two experiment container bottoms is set by soft pipe connection；Institute
The relative altitude stated between two experiment containers is adjustable.
Sample collection bottle is additionally provided with, the sample collection bottle is located at the underface of the filter.
It is additionally provided with time set；The experiment container is lucite tube, is set on the wall of the experiment container
There is scale；A plurality of ring grain groove is provided with the inwall of the experiment container, a plurality of ring grain groove, which vertically arranges, to be set
Put.
The experiment container and the sample collection bottle be provided with it is multiple, the multiple sample collection bottle with it is the multiple
Experiment container, which corresponds, to be set；The multiple experiment container is removably mounted on the lowering or hoisting gear, in each institute
The bottom for stating experiment container is mounted on filter.
The operating desk includes pedestal and the action bars being fixedly mounted on above the pedestal；The nested peace of the lowering or hoisting gear
On the action bars, it is suitable for driving the experiment container to carry out the reciprocating motion on vertical direction along the action bars.
The lowering or hoisting gear includes connector and crossbeam, the connector is provided with mounting hole, the connector leads to
The mounting hole is crossed to be sleeved on the action bars；The crossbeam is fixedly connected with the connector and perpendicular to the action bars
Axis set；Hydraulic means is additionally provided with, the hydraulic means is connected setting with the connector；
Multiple putting grooves are provided with the crossbeam, the multiple putting groove is arranged in a row setting and is located at the operation
The homonymy of bar；The multiple experiment container is individually positioned in the multiple putting groove.
Motor is connected with the action bars, is suitable for driving the action bars to be rotated vertically；
Boss is formed on the outer surface of the action bars, along the axial direction of the action bars, in the connector
Mounting hole internal face on relative set it is fluted, the outside wall surface that the internal face of the groove is bonded the boss is set；Institute
While stating action bars and rotated, it is suitable for driving the lowering or hoisting gear to synchronize rotation；
Be additionally provided with top cover, the top cover is located at the top of the multiple experiment container, the top cover by support arm with
The pedestal of the operating desk is fixedly connected；
The multiple spray equipments of one row and the multiple drainage systems of a row, a row are installed on the lower surface of the top cover
The direction of rotation of spray equipment and row's drainage system along the multiple putting groove is set gradually, and is respectively positioned on the multiple storing
The surface of experiment container rotary area in groove；
Wherein, each spray equipment is cylindrical tube, is evenly arranged with the bottom surface of the cylindrical tube
Multiple spray apertures；The annular trough body that each drainage system is set for opening upwards, the outer shroud wall edge of the annular trough body
Vertical direction slopes inwardly setting from top to bottom, is tightened in the outer shroud wall and pastes the bottom of the annular trough body and be provided with drainage
Hole, drainage piece, the drainage piece vertically outward-dipping setting from top to bottom, institute are provided with the lower end of the conduction hole
The maximum outer annular diameter for stating annular trough body is smaller 5-10mm than the internal diameter of the experiment container；The lowermost end of the drainage piece with it is described
Gap between experiment container inwall is 1-2mm.
Shower water delivery pipe is connected with each spray equipment, is installed in each shower water delivery pipe
There is first flow control valve；
Drainage-fluid delivery pipe is connected with the opening of each drainage system, in each drainage-fluid delivery pipe
On second flow control valve and flowmeter are installed.
The outer shroud wall of the annular trough body and the angle of vertical direction are 70-80 °.
The heretofore described experimental provision for being used to simulate soil moisture migration process, advantage are：
(1) the heretofore described experimental provision for being used to simulate soil moisture migration process, can be to institute by setting
State the Water Transport direction in experiment container and parameter is monitored in real time, be easy to experimenter in experimentation to each ginseng
Number is adjusted in time, is advantageous to carry out accurate Detection ＆ Controling to the Water Transport parameter in whole experiment process, is prevented
Experimentation is influenceed by uncontrollable factor.And the application can simulate different fillings by adjusting the height of moisture in tank
Irrigate and condition of raining, by adjusting the character of soil in Soil Trough, different soils can be simulated in identical rainfall and irrigation conditions
Under Water Transport feature.
In addition, the experimental provision in the present invention, additionally it is possible to while determine the parameter of migration and soil water retention of nutrient in soil
Ability.By adjusting moisture height in tank, the parameter of migration of soil nutrient under different rainfalls and irrigation conditions can be simulated, is led to
Cross while detect soil moisture and the parameter of migration of nutrient, be advantageous to analyze soil liquid manure coupling mechanism, to instruct duty
There is important theory directive significance with water-saving technology.
(3) present invention is used for the experimental provision for simulating soil moisture migration process, can be determined simultaneously using the device
The multiple parameters of Soil Moisture Movement, the migration rate of soil moisture can be calculated by the scale on experiment container, and can
Its dynamic process is simulated, tank reclaimed water scale division being capable of accurate recording maximum water holding capacity during by filtering out moisture.
(2) the heretofore described experimental provision for being used to simulate soil moisture migration process, in the experiment container
Inwall on be provided with ring grain groove, the ring grain groove is the annular trough body set along the experiment container circumferencial direction；Due to water
With wellability, the water flow at wall can be caused certain " boundary effect " to be present, by setting the ring grain groove, can be had
Effect eliminates the experimental error that this boundary effect is brought.
(3) the heretofore described experimental provision for being used to simulate soil moisture migration process, the action bars are carried out
While rotation, it is suitable for driving the lowering or hoisting gear to synchronize rotation；In addition, it is provided with the lower surface of the top cover
The multiple spray equipments of one row and the multiple drainage systems of a row, the row spray equipment and row's drainage system are put along the multiple
The direction of rotation for putting groove is set gradually, and this allows for the experiment container can be by being rotated in spray feed liquor and two kinds of feed liquor of drainage
Switched between mode.Spray equipment is suitable for simulating the rainwater spray under nature, can by first flow control valve
Control the flow velocity of ejecting liquid.Drainage system is suitable for determining the saturated water amount of the soil, when determining maximum water-holding capacity, needs
The water of certain altitude is first added above soil, moisture constantly permeates downwards, when appearance first is dripped at filter, record soil
The height of water above earth, the amount that remaining water above soil is subtracted with the amount for adding water is maximum water-holding capacity.Advantages of the present invention
It is：When adding water, if adding water using spray equipment or other devices, the current fallen on soil can produce to soil
Impact and disturbance, cause the infiltration rate of moisture to increase, and influence the precision of experiment.The present invention by setting the drainage system,
So that the water come out from annular groove sidewall is flowed directly in side wall, then flowed down along side wall, effectively reduce impact to soil and
Disturbance, can more accurately determine maximum water-holding capacity.Meanwhile the present invention is close to the annular groove by limiting the conduction hole
The bottom of body is set so that the bottom of the annular trough body is not easy ponding, prevents from influenceing experimental result.
Brief description of the drawings
In order that the object, technical solutions and advantages of the present invention are clearer, the reality below in conjunction with accompanying drawing to the present invention
The mode of applying is described in further detail.
It is the schematic diagram of the present invention for being used to simulate the experimental provision of soil moisture migration process as shown in Figure 1；
It is the experiment dress of the present invention for being provided with the multiple spray equipments of a row and the multiple drainage systems of a row as shown in Figure 2
The structural representation put；
It is the sectional view of the nested action bars set and connector of the present invention as shown in Figure 3；
It is the structural representation of the top cover of the present invention for being provided with row's spray equipment and row's drainage system as shown in Figure 4
Figure；
It is the structural representation of drainage system of the present invention as shown in Figure 5；
Wherein, reference is：
1- pedestals；2- action bars；3- connectors；4- support arms；5- crossbeams；6- experiment containers；7- filters；8- sample collections
Bottle；9- spray equipments；10- shower water delivery pipes；11- top covers；12- hydraulic means；13- drainage systems；14- drainage-fluids convey
Pipe；15- conduction holes；16- drainage pieces；17- iron stands；18- iron clamps；19- flexible pipes；20- outer shroud walls.
Embodiment
Embodiment 1
Present embodiments provide a kind of experimental provision for being used to simulate soil moisture migration process, including operating desk, institute
It can be iron stand 17 to state operating desk, and lowering or hoisting gear is provided with the iron stand 17, and the experiment container 6 is removably pacified
On the lowering or hoisting gear, the lowering or hoisting gear is suitable for carrying out the reciprocating motion on vertical direction along the operating desk；This
Lowering or hoisting gear described in embodiment is the iron clamp 18 for being suitable for sliding up and down along iron stand 17 and fixing.
Experimental provision in the present embodiment is provided with an experiment container 6, and the experiment container is installed on the brandreth 18
On；The top and bottom of the experiment container 6 are open setting, filter 7 are provided with the bottom of the experiment container 6, in institute
State and filter paper is provided with filter 7, the bottom end opening of the filter paper and the experiment container 6 is tightly connected, and it is real can to accept loading
Test the soil of container；The experiment container 6 is prepared by transparent material, preferably lucite tube, in the experiment container 6
Wall on be provided with scale；Multi-turn ring grain groove is provided with the inwall of the experiment container 6, the multi-turn ring grain groove edge is perpendicular
Nogata is to spread configuration.Spacing between every two rings groove is 0.8-1.2cm, and the depth of every ring grain groove is 1mm, wide
Spend for 1-2mm, the ring grain groove to eliminate Infiltration water caused error under tube wall pulling force, while eliminate moisture it is uneven enter
Ooze the measure difference brought.Sample collection bottle 8 is additionally provided with the underface of the filter 7.As selectable embodiment,
Experiment container 6 described in the present embodiment and the sample collection bottle 8 can also be disposed as multiple, the multiple sample collection bottle 8
Correspond and set with the multiple experiment container 6；The multiple experiment container 6 is removably mounted on the lowering or hoisting gear
On.
In order to improve the precision of experiment, the experimental provision described in the present embodiment is additionally provided with water control device, the control water
Device includes the water inlet pipe above the reactor and the flow control valve being arranged on the water inlet pipe, for controlling
Water and uniform moisture infiltrate soil.
Experimental method using experimental provision described in the present embodiment is：
(1) measure of infiltration rate：Testing soil is added in experiment container 6, adds distilled water, can be according to irrigation
The depth of water in depth adjustment experiment container 6, to simulate Different Irrigation Soil Under Conditions water translocation feature.
When moisture plus it is good after, through lucite tube record different time sections Infiltration distance, counted using stopwatch etc.
When device record the time, using distance divided by the time calculate infiltration rate, pass through different time sections moisture infiltrates distance description
The dynamic process of Soil Moisture Movement.
(2) measure of maximum water-holding capacity：Dried soil is added in experiment container 6, distillation is added above soil
Water makes the water for having certain altitude above the soil, when having water to filter out in filter 7, according to the scale on experiment container 6
The height of reclaimed water is simultaneously converted into water above record soil, and surplus water is subtracted above soil again divided by soil weight with addition water
Amount is maximum water holding capacity.
(3) measure of nutrient parameter：Dried soil is added in experiment container 6, is then continuously added distilled water, when
When having the water to filter out in filter 7, water sample is collected, determines dissolved organic carbon, dissolved phosphorus, the concentration of dissolubility nitrogen in water sample, with
Carbon in soil, the content of nitrogen and phosphorous are compared, and analyze the ability of soil conservation nutrient, the feature that analysis soil liquid manure is lost in.
(4) measure of the number of dropouts of moisture and nutrient：Testing soil is added in experiment container 6, one is added in tank
Determine the distilled water of height, simulate different rainfalls and irrigate the retain water and nutrients ability of soil under depth, when thering is water to filter out in filter 7
When, water sample is collected, determines concrete water quality, determines the content of nutrient in water sample, calculates the soil water under this kind of rainfall and irrigation depth
Divide the number of dropouts with nutrient, soil water-reataining fertilizer-keeping ability is analyzed, to instruct irrigation depth suitable under different soil.
(5) different soils improves the measure of situation：Measure soil is improved, addition organic fertilizer etc., by different disposal
Soil be respectively put into multiple experiment containers 6, then add same depth distilled water, record Infiltration speed, collect
Filter out water determination moisture and nutrient flow vector, influence of the analysis different soils improving environment to soil water-reataining fertilizer-keeping ability.
(6) measure of different fertilizer transfer ability：Different fertilizer is added in soil, the soil of different disposal is distinguished
It is put into multiple experiment containers 6, then adds the distilled water of same depth, collection filters out water determination moisture and nutrient loss
Amount, transfer ability of the analysis different fertilizer in soil.
Embodiment 2
A kind of experimental provision for being used to simulate soil moisture migration process is present embodiments provided, as shown in figure 1, including
Operating desk, the operating desk can be iron stand 17, and lowering or hoisting gear, the experiment container 6 are provided with the iron stand 17
It is removably mounted on the lowering or hoisting gear, the lowering or hoisting gear is suitable for along past on operating desk progress vertical direction
Multiple motion；Lowering or hoisting gear described in the present embodiment is two iron clamps 18 for being suitable for sliding up and down along iron stand 17 and fixing.
Experimental provision described in the present embodiment is provided with two experiment containers 6, the top and bottom of each experiment container 6
End opening is set, and is provided with filter 7 in the bottom of each experiment container 6, is provided with filter paper in the filter 7, institute
The bottom end opening for stating filter paper and the experiment container 6 is tightly connected；Described two experiment containers 6 are lucite tube, in institute
State and be provided with scale on the wall of experiment container 6；Two experiment containers 6 are installed on described two iron respectively described in the present embodiment
On folder 18 so that the relative altitude of described two experiment containers 6 is adjustable；The filter 7 of described two bottoms of experiment container 6 is by soft
The connection of pipe 19 is set.
As preferred embodiment, experimental provision is again provided with water control device described in the present embodiment.
Using experimental provision described in the present embodiment measure soil reverse osmosis (underground water rising) speed method be：Wherein one
Individual experiment container 6 is used as soil water experiment container, and another is as distilled water experiment container；Test is added in soil water experiment container
Soil, filter 7 accesses flexible pipe 19 below this, and flexible pipe 19 connects distilled water experiment container；Filled in distilled water experiment container
Distilled water, transpiration pull can be simulated according to the height for being actually needed regulation distilled water height or lifting distilled water experiment container
Size.After flexible pipe 19 connects, the height of different time sections moisture rising is recorded by the experiment container 6 equipped with soil,
The time is recorded using time set, moisture climbing speed is calculated using distance divided by time, reflects soil capillary water lofted features,
Pass through the dynamic process for infiltrating distance description soil Groundwater movement of different time sections moisture.
As selectable embodiment, experimental provision described in the present embodiment can also be not provided with the flexible pipe 19, and
It is to place sample collection bottle 8 respectively immediately below two filters, for carrying out the various experiments described in embodiment 1.
Embodiment 3
The experimental provision for being used to simulate soil moisture migration process described in the present embodiment, as shown in Fig. 2 including：
Operating desk, the operating desk include pedestal 1 and are fixedly mounted on the action bars 2 of the top of pedestal 1；In the behaviour
Make nesting on bar 2 and lowering or hoisting gear is installed, be suitable for driving the experiment container 6 to carry out on vertical direction along the action bars 2
Reciprocating motion.Wherein, the lowering or hoisting gear includes connector 3 and crossbeam 5, the connector 3 is provided with mounting hole, institute
Connector 3 is stated to be sleeved on the action bars 2 by the mounting hole；The crossbeam 5 is fixedly connected and hung down with the connector 3
Directly set in the axis of the action bars 2；Hydraulic means 12 is additionally provided with, the hydraulic means 12 is connected with the connector 3
Set, be suitable for driving the connector 3 to be moved up and down；
3 putting grooves are provided with the crossbeam 5,3 putting grooves are arranged in a row setting and are located at the operation
The homonymy of bar 2；An experiment container 6 is placed with each putting groove.
Experimental provision described in the present embodiment, motor is connected with the action bars 2, is suitable for driving the behaviour
Make bar 2 to be rotated vertically；Formed on the outer surface of the action bars 2, along the axial direction of the action bars 2 convex
Platform, relative set is fluted on the internal face of the mounting hole of the connector 3, and the internal face of the groove is bonded the boss
Outside wall surface set, as shown in Figure 3；While the action bars 2 is rotated, it is suitable for driving the lowering or hoisting gear to carry out together
Step rotation；
Experimental provision described in the present embodiment, the top cover 11 of circle is additionally provided with, the top cover 11 is positioned at the multiple
The top of experiment container 6, the top cover 11 are fixedly connected by support arm 4 with the pedestal 1 of the operating desk；
One row, 3 spray equipments, 9 and one row, 3 drainage systems 13 are installed on the lower surface of the top cover 11, such as Fig. 4
Shown in, the direction of rotation of row spray equipment 9 and row's drainage system 13 along 3 putting grooves is set gradually；
Look up under state, when the direction of rotation of 3 putting grooves is set along clockwise direction, the row spray equipment 9 is located at
The upstream of the one row drainage system 13；And be respectively positioned on the surface of the rotary area of experiment container 6 in 3 putting grooves, i.e.,
For 3 putting grooves in rotary course, the experiment container 6 in 3 putting grooves can first pass through the row spray equipment 9
Underface, then the underface by the row drainage system 13.
Each spray equipment 9 is cylindrical tube in the present embodiment, on the bottom surface of the cylindrical tube uniformly
It is provided with multiple spray apertures；Each drainage system 13 is the annular trough body that opening upwards are set, as shown in figure 5, the ring
The outer shroud wall 20 of shape cell body vertically slopes inwardly from top to bottom to be set, and is close to the ring on the outer shroud wall 20
Conduction hole 15 is provided with the bottom surface of shape cell body, drainage piece 16, the drainage piece 16 are provided with the lower end of the conduction hole 15
Vertically outward-dipping setting from top to bottom, the maximum outer annular diameter of the annular trough body is than in the experiment container 6
The small 5-10mm in footpath；Gap between the lowermost end and the inwall of the experiment container 6 of the drainage piece 16 is 1-2mm.As preferred
Embodiment, the outer shroud wall 20 of the annular trough body and the angle α of vertical direction are 70-80 °.
The bottom that the present invention is close to the annular trough body by limiting the conduction hole 15 is set so that the annular trough body
The water of bottom can be flowed out by conduction hole 15, be not easy ponding, prevent from influenceing experimental result, as further preferred embodiment party
Formula, the section that may also set up the annular trough body are taper, i.e., the outer shroud wall 20 of described annular trough body slopes inwardly, described outer
The bottom in ring wall face 20 and the inner ring wall bottom of the annular trough body are directly connected to, so that moisture can not accumulate；Or
The cross sectional bottom end that may also set up the annular trough body is circular arc, and the bottom that conduction hole 15 is close to the annular trough body is set.
In the present embodiment, shower water delivery pipe 10 is connected with each spray equipment 9, in each spray
First flow control valve is installed in water delivery pipe 10；Connect with the opening of each drainage system 13 and be provided with drainage-fluid conveying
Pipe 14, second flow control valve and flowmeter are installed in each drainage-fluid delivery pipe 14.
The course of work of experimental provision described in the present embodiment is：
When needing to simulate the moisture of soil, nutrient transfer index under natural precipitation state, motor can be started by described 3
Experiment container 6 in putting groove is rotated to the lower section of the multiple spray equipment 9, opens the simulated rainfall state of spray equipment 9, is led to
The size of flow can flexibly be controlled by crossing first flow control valve.When this setup allows experimenter to different rainfalls
Between the sample of section sampled, determine the influence of different rainfall intensities, rain time to moisture and nutrients movement.
When needing the maximum water-holding capacity of mould measure soil, motor can be started by the experiment container 6 in 3 putting grooves
Rotation opens drainage system 13 and send water into the experiment container 6, make the experiment to the lower section of 3 drainage systems 13
There is the water of certain altitude above soil in container 6.And then the survey of maximum water-holding capacity is carried out with reference to the method in embodiment 1
Examination；The size of flow can be flexibly controlled by second flow control valve, can be measured into the water in experiment container 6 by flowmeter
Amount, it is easy to calculate maximum water-holding capacity.Except determining maximum water-holding capacity, the drainage system 13 is also adapted for being not intended to pair other
Soil produces the experimental occasions use compared with large disturbances.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (5)
1. the experimental provision for simulating soil moisture migration process, it is characterised in that including：
Experiment container（6）, the experiment container（6）Top and bottom be open setting, in the experiment container（6）Bottom
Filter is installed（7）, in the filter（7）Inside it is provided with filter paper, the filter paper and the experiment container（6）Bottom end opening it is close
Envelope connection；
Operating desk, lowering or hoisting gear, the experiment container are provided with the operating desk（6）It is removably mounted on the lifting
On device, the lowering or hoisting gear is suitable for carrying out the reciprocating motion on vertical direction along the operating desk；It is additionally provided with sample receipts
Collect bottle（8）, the sample collection bottle（8）Positioned at the filter（7）Underface；
The experiment container（6）With the sample collection bottle（8）It is provided with multiple, multiple sample collection bottles（8）With it is more
The individual experiment container（6）Correspond and set；In each experiment container（6）Bottom be mounted on filter（7）；It is described
Operating desk includes pedestal（1）Be fixedly mounted on the pedestal（1）The action bars of top（2）；The lowering or hoisting gear includes connection
Part（3）And crossbeam（5）, through the connector（3）It is provided with mounting hole, the connector（3）It is set with by the mounting hole
In the action bars（2）On；The crossbeam（5）With the connector（3）It is fixedly connected and perpendicular to the action bars（2）Axle
Line is set；It is additionally provided with hydraulic means（12）, the hydraulic means（12）With the connector（3）Connection is set；In the horizontal stroke
Beam（5）On be provided with multiple putting grooves, the multiple putting groove is arranged in a row setting and is located at the action bars（2）Homonymy；
Multiple experiment containers（6）It is individually positioned in the multiple putting groove；The lowering or hoisting gear is suitable for driving the experiment
Container（6）Along the action bars（2）Carry out the reciprocating motion on vertical direction；
With the action bars（2）Motor is connected with, is suitable for driving the action bars（2）Rotated vertically；It is described
Action bars（2）While rotation, it is suitable for driving the lowering or hoisting gear to synchronize rotation；It is additionally provided with top cover（11）,
The top cover（11）Positioned at multiple experiment containers（6）Top, the top cover（11）Pass through support arm（4）With the operation
The pedestal of platform（1）It is fixedly connected；In the top cover（11）Lower surface on the multiple spray equipments of a row are installed（9）It is more with a row
Individual drainage system（13）, spray equipment described in a row（9）With row's drainage system（13）Along the rotation side of the multiple putting groove
To setting gradually, and it is respectively positioned on experiment container in the multiple putting groove（6）The surface of rotary area.
2. the experimental provision according to claim 1 for being used to simulate soil moisture migration process, it is characterised in that also set
It is equipped with time set；The experiment container（6）For lucite tube, in the experiment container（6）Wall on be provided with scale；
In the experiment container（6）Inwall on be provided with a plurality of ring grain groove, a plurality of ring grain groove vertically spread configuration.
3. the experimental provision according to claim 1 for being used to simulate soil moisture migration process, it is characterised in that in institute
State action bars（2）Outer surface on, along the action bars（2）Axial direction form boss, in the connector（3）Peace
Relative set is fluted on the internal face in dress hole, and the internal face of the groove is bonded the outside wall surface setting of the boss；
Each spray equipment（9）For cylindrical tube, multiple sprays are evenly arranged with the bottom surface of the cylindrical tube
Drench hole；Each drainage system（13）The annular trough body set for opening upwards, the outer shroud wall of the annular trough body（20）
Vertically slope inwardly from top to bottom and set, in the outer shroud wall（20）On be close to the annular trough body bottom set
There is conduction hole（15）, in the conduction hole（15）Lower end be provided with drainage piece（16）, the drainage piece（16）Vertically
Outward-dipping setting from top to bottom, the maximum outer annular diameter of the annular trough body is than the experiment container（6）The small 5- of internal diameter
10mm；The drainage piece（16）Lowermost end and the experiment container（6）Gap between inwall is 1-2mm.
4. according to claim 3 be used to simulate the experimental provision of soil moisture migration process, it is characterised in that with it is every
The individual spray equipment（9）It is connected with shower water delivery pipe（10）, in each shower water delivery pipe（10）Upper installation
There is first flow control valve；
With each drainage system（13）Opening be connected with drainage-fluid delivery pipe（14）, it is defeated in each drainage-fluid
Send pipe（14）On second flow control valve and flowmeter are installed.
5. the experimental provision for being used to simulate soil moisture migration process according to claim 3 or 4, it is characterised in that
The annular trough body outer shroud wall（20）It it is 70-80 ° with vertical direction angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510789194.2A CN105277470B (en) | 2015-11-17 | 2015-11-17 | For simulating the experimental provision of soil moisture migration process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510789194.2A CN105277470B (en) | 2015-11-17 | 2015-11-17 | For simulating the experimental provision of soil moisture migration process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105277470A CN105277470A (en) | 2016-01-27 |
| CN105277470B true CN105277470B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510789194.2A Expired - Fee Related CN105277470B (en) | 2015-11-17 | 2015-11-17 | For simulating the experimental provision of soil moisture migration process |
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| CN110308674A (en) * | 2019-05-28 | 2019-10-08 | 云南农业大学 | The measurement method of moisture penetration rule in a kind of mountain plateau red soil |
| CN112180067B (en) * | 2020-10-14 | 2022-05-17 | 中国热带农业科学院南亚热带作物研究所 | Device for determining water and fertilizer retention of soil sample |
| CN113125677A (en) * | 2021-04-14 | 2021-07-16 | 中国科学院植物研究所 | Control experiment device and method for research on redistribution of water and/or nutrients |
| CN114167034A (en) * | 2021-12-07 | 2022-03-11 | 武夷学院 | Device for simulating longitudinal migration of soil soluble organic matters and using method thereof |
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