CN106771081A - A kind of simulated rainfall original post soil leaching device - Google Patents
A kind of simulated rainfall original post soil leaching device Download PDFInfo
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- CN106771081A CN106771081A CN201710030285.7A CN201710030285A CN106771081A CN 106771081 A CN106771081 A CN 106771081A CN 201710030285 A CN201710030285 A CN 201710030285A CN 106771081 A CN106771081 A CN 106771081A
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Abstract
The present invention discloses a kind of simulated rainfall original post soil leaching device, including water plug, simulated eluviation device, PVC leaching devices, leaching solution collector and sprinkler；The water plug is connected with the water inlet end of the sprinkler, the simulated eluviation device is connected with the water side of the sprinkler, the simulated eluviation device lower section is provided with the PVC leaching devices, and the PVC leaching devices bottom is provided with the leaching solution collector.Simulated rainfall original post soil leaching device in the present invention can adjust the size of leaching water by controlling pump-out, the different precipitation intensity of simulation, different simulated eluviation devices can be made to complete the simulation of different precipitation amount or different original post soil, so as to short form test process, accelerate speed of experiment, the operability of experiment is improved, experimental precision is improved.
Description
Technical field
The present invention relates to soil investigation technical field, more particularly to a kind of simulated rainfall original post soil leaching device.
Background technology
DOC:Soil dissolved orgnic carbon (Dissolved Organic Carbon, DOC), refers in certain space-time bar
It is strong, mobile very fast, unstable, oxidizable, easy with certain dissolubility, in soil by plant and microbiological effect under part
Decomposition, easy mineralising, its form, the locus expression activitiy for plant, microorganism that a part of soil carbon high.DOC
Played an important role to providing forest soil nutrient；In addition, to the biogeochemical cycle of element in the forest soil ecosystem
And the element such as aluminium, heavy metal toxicity and migration also have deep effect.
People are when the various elements migration in forest soil is studied, it is necessary to according to different research purposes in woods
Ground surface arrangement experiment.And existing DOC leachings research experiment is generally divided into two classes：One kind is to transfer in the wild timbered soil
Put device directly to collect leaching liquor, although the experiment of such forest land can reflect the actual conditions of forest soil, research
Process is relatively complicated, need to put into substantial amounts of human and material resources；It is another then be that a certain amount of soil is filled up in earth pillar pipe indoors
Leaching Experiments are simulated, but this method can change soil original structure, and the conclusion for obtaining is difficult to describe the reality of forest soil
Border leaching situation.Therefore, the device for having many lab simulation soil eluviations occurs, and existing undisturbed soil simulated eluviation experiment is filled
Put structure and be divided into handle, leaching post, soil-cutter, 4 parts of collection controller, the device is drenched in leaching in the form of water column
Onto soil, easily there is soil disturbance and inflow whard to control and water inlet intensity, be additionally carried out efficiency during multiple sample leachings
It is not high.
The content of the invention
To solve above technical problem, the present invention provides a kind of simulated rainfall original post soil leaching device, can easily enter
Row simulation soil eluviation experiment.
To achieve the above object, the invention provides following scheme：
The present invention provides a kind of simulated rainfall original post soil leaching device, including water plug, simulated eluviation device, PVC drench
Dissolving device, leaching solution collector and sprinkler；The water plug is connected with the water inlet end of the sprinkler, and the simulation is drenched
Dissolving device is connected with the water side of the sprinkler, and the simulated eluviation device lower section is provided with the PVC leaching devices, institute
State PVC leaching devices bottom and be provided with the leaching solution collector.
Optionally, the simulated eluviation device includes simulation shower nozzle；The PVC leaching devices include pvc pipe, filter paper and yarn
Net, the filter paper is arranged on the pvc pipe top, and the gauze is arranged on the pvc pipe bottom；The leaching solution collector bag
Include funnel and with graduated beaker.
Optionally, the sprinkler includes a water inlet end and multiple water sides, and each described water side lower section is respectively provided with
There are the PVC leaching devices.
Optionally, also including controller, the controller is arranged between the water plug and the sprinkler.
Optionally, the controller includes on ＆ off switch, time setting key and rainfall adjusting key；The on ＆ off switch is used to control
Suction pump；The time setting key is used to set the time of simulated rainfall；The rainfall adjusting key is used to come according to experiment demand
The rainfall size of simulation is set, there are large, medium and small Three models.
Optionally, the controller is electrically connected with the water plug.
Optionally, it is additionally provided with expansion bend between the controller and the sprinkler.
Optionally, it is provided with conduit between the controller and the water plug.
Optionally, the water plug includes suction pump and container filled with water, and the suction pump water inlet end gos deep into the dress water
Container, the suction pump water side connects the conduit.
The present invention achieves following technique effect relative to prior art：
Simulated rainfall original post soil leaching device primary structure water plug of the present invention, simulated eluviation device, PVC leachings dress
Put, leaching solution collector and sprinkler；The size of leaching water can be adjusted by controlling pump-out, simulate different precipitation strong
Degree, can make different simulated eluviation devices complete the simulation of different precipitation amount or different original post soil, so that short form test process,
Accelerate speed of experiment, improve the operability of experiment, improve experimental precision.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of simulated rainfall original post soil leaching device of the present invention.
Description of reference numerals：1st, water plug；2nd, conduit；3rd, controller；4th, expansion bend；5th, simulated eluviation device；6、PVC
Leaching device；7th, leaching solution collector；8th, sprinkler.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of simulated rainfall original post soil leaching device, to solve in the prior art in simulation soil
When earth leaching is tested, easily there is soil disturbance and inflow whard to control and water inlet intensity, carry out efficiency during multiple sample leachings
Problem not high, such that it is able to easily under the conditions of different precipitation or different soils carries out soil eluviation experiment.
Based on this, the simulated rainfall original post soil leaching device for providing of the invention, it includes water plug, simulated eluviation dress
Put, PVC leaching devices, leaching solution collector and sprinkler；The water plug is connected with the water inlet end of the sprinkler, institute
State simulated eluviation device to be connected with the water side of the sprinkler, the simulated eluviation device lower section is provided with the PVC and drenches
Dissolving device, the PVC leaching devices bottom is provided with the leaching solution collector.
The present invention is supplied water using multiple PVC leaching devices in parallel, PVC leaching devices by same sprinkler, controller energy
It is enough that different precipitation and precipitation times are simulated by controlling water plug, make into Water spray to soil, so as to realize same
Shi Jinhang multiple simulated tests, and simplify operation, experiment controllability is improved, improve test accuracy.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
Embodiment one：
As shown in figure 1, the present embodiment provides a kind of simulated rainfall original post soil leaching device, including water plug 1, simulation drench
Dissolving device 5, PVC leaching devices 6, leaching solution collector 7 and sprinkler 8；The water inlet of the water plug 1 and the sprinkler 8
End is connected, and the simulated eluviation device 5 is connected with the water side of the sprinkler 8, and the lower section of the simulated eluviation device 5 sets
The PVC leaching devices 6 are equipped with, the bottom of PVC leaching devices 6 is provided with the leaching solution collector 7.The simulated eluviation
Device 5 includes simulation shower nozzle, can simulate natural precipitation, experiment is more nearly truly；The PVC leaching devices 6 include PVC
Pipe, filter paper and gauze, the pvc pipe are internal diameter 11cm, the pvc pipe of length 25cm, and the material can reduce experimental error,
Scale is put at PVC outer tubes 20cm, the sampler space of 5cm is reserved；The leaching solution collector 7 includes funnel and with graduated
Beaker；The sprinkler 8 includes a water inlet end and 3 water sides, and each described water side lower section is provided with the PVC and drenches
Dissolving device 6；Also include controller 3, the controller 3 is arranged between the water plug 1 and the sprinkler 8；The control
Device processed 3 includes on ＆ off switch, time setting key and rainfall adjusting key；The on ＆ off switch is used to control suction pump；The time setting
Key is used to set the time of simulated rainfall；The rainfall adjusting key is used to be set according to experiment demand the rainfall size of simulation,
There are large, medium and small Three models；The controller 3 is electrically connected with the water plug 1；The controller 3 and the sprinkler 8
Between be additionally provided with expansion bend 4, the expansion bend 4 is telescoping tube or bellows；The controller 3 and the water plug 1 it
Between be provided with conduit 2；The water plug 1 includes suction pump and container filled with water, and the suction pump water inlet end gos deep into the dress water
Container, the suction pump water side connects the conduit 2.
A pressure pad is added on the top of pvc pipe during sampling, has passage on pressure pad for big inside and outside balanced sampling post
Air pressure, in then directly throwing the pvc pipe into soil, after reaching sampling scale, takes out pvc pipe, as keeps soil former as possible
There is form, the gauze is fixed on the pvc pipe bottom for filling pedotheque, the gauze selects 100 mesh gauzes, described
Inside pvc pipe, the top of pedotheque covers the filter paper.
The PVC leaching devices 6 that pedotheque will be preserved are put on the funnel of the leaching solution collector 7, and are made
Simulated eluviation device 5 described in the top alignment of the PVC leaching devices 6.
Precipitation and precipitation time needed for experiment is set on the controller 3, open the on ＆ off switch and start institute
Water plug 1 is stated, starts experiment.
As can be seen here, the present embodiment can simultaneously carry out multiple leaching experiments using three PVC leaching devices of series connection,
Test efficiency is considerably increased, precipitation can both be controlled by controller, precipitation time can be controlled again, reduce artificial behaviour
Make error, improve test accuracy.
It should be noted that the quantity of the PVC leaching devices in the present invention is not limited with the present embodiment, to realize the present invention
Multiple leaching experiments are carried out simultaneously, using two or more PVC leaching devices in parallel.
Apply specific case in this specification to be set forth principle of the invention and implementation method, above example
Explanation be only intended to help and understand the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art,
According to thought of the invention, will change in specific embodiments and applications.In sum, in this specification
Appearance should not be construed as limiting the invention.
Claims (9)
1. a kind of simulated rainfall original post soil leaching device, it is characterised in that including water plug, simulated eluviation device, PVC leachings
Device, leaching solution collector and sprinkler；The water plug is connected with the water inlet end of the sprinkler, the simulated eluviation
Device is connected with the water side of the sprinkler, and the simulated eluviation device lower section is provided with the PVC leaching devices, described
PVC leaching devices bottom is provided with the leaching solution collector.
2. simulated rainfall according to claim 1 original post soil leaching device, it is characterised in that the simulated eluviation device bag
Include simulation shower nozzle；The PVC leaching devices include pvc pipe, filter paper and gauze, and the filter paper is arranged on the pvc pipe top, institute
State gauze and be arranged on the pvc pipe bottom；The leaching solution collector includes funnel and with graduated beaker.
3. simulated rainfall according to claim 1 original post soil leaching device, it is characterised in that the sprinkler includes
Water inlet end and multiple water sides, each described water side lower section are provided with the PVC leaching devices.
4. simulated rainfall according to claim 1 original post soil leaching device, it is characterised in that described also including controller
Controller is arranged between the water plug and the sprinkler.
5. simulated rainfall according to claim 4 original post soil leaching device, it is characterised in that the controller includes switch
Key, time setting key and rainfall adjusting key；The on ＆ off switch is used to control suction pump；The time setting key is used to set simulates
The time of rainfall；The rainfall adjusting key is used to be set according to experiment demand the rainfall size of simulation, there is large, medium and small three kinds
Pattern.
6. simulated rainfall according to claim 4 original post soil leaching device, it is characterised in that the controller is taken out with described
Water installations are electrically connected.
7. simulated rainfall according to claim 4 original post soil leaching device, it is characterised in that the controller and the spray
Expansion bend is additionally provided between filling device.
8. simulated rainfall according to claim 4 original post soil leaching device, it is characterised in that the controller is taken out with described
Conduit is provided between water installations.
9. simulated rainfall according to claim 8 original post soil leaching device, it is characterised in that the water plug includes taking out
Water pump and container filled with water, the suction pump water inlet end go deep into the container filled with water, and the suction pump water side connects the conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030285.7A CN106771081A (en) | 2017-01-17 | 2017-01-17 | A kind of simulated rainfall original post soil leaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030285.7A CN106771081A (en) | 2017-01-17 | 2017-01-17 | A kind of simulated rainfall original post soil leaching device |
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| Publication Number | Publication Date |
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| CN106771081A true CN106771081A (en) | 2017-05-31 |
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| CN201710030285.7A Pending CN106771081A (en) | 2017-01-17 | 2017-01-17 | A kind of simulated rainfall original post soil leaching device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478808A (en) * | 2017-09-19 | 2017-12-15 | 河海大学 | A kind of device of lab simulation forest zone eluviation and immersion |
| CN107561248A (en) * | 2017-10-11 | 2018-01-09 | 中国矿业大学(北京) | A kind of coal gangue hill high-temperature area rainfall leaching analogue experiment installation and experimental method |
| CN109270244A (en) * | 2018-08-24 | 2019-01-25 | 河海大学 | Solute transfer analogue observation device in soil under a kind of rainfall |
| CN109580471A (en) * | 2019-01-10 | 2019-04-05 | 上海市市政规划设计研究院有限公司 | A kind of experimental system of solid waste regenerated aggregate absorption leaching |
| CN109900586A (en) * | 2019-04-08 | 2019-06-18 | 山东省农业科学院农业资源与环境研究所 | A method of stalk potassium release characteristic is studied by simulated precipitation |
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| CN101088621A (en) * | 2006-06-16 | 2007-12-19 | 中国科学院沈阳应用生态研究所 | Soil eluviation simulator |
| CN102053146A (en) * | 2010-11-03 | 2011-05-11 | 中国科学院新疆生态与地理研究所 | Automatic leaching method for soil column simulation test |
| CN204086260U (en) * | 2014-07-02 | 2015-01-07 | 北京林业大学 | A kind of native fish device for analyzing mixing sludge stroma contaminants migration feature |
| CN105092817A (en) * | 2015-07-29 | 2015-11-25 | 浙江大学 | Soil column leaching sampling device capable of conducting sampling automatically and method thereof |
| CN105116130A (en) * | 2015-09-06 | 2015-12-02 | 浙江大学 | Soil column device for simulating leaching, greenhouse gas collection and ammonia volatilization |
| CN205210078U (en) * | 2015-11-08 | 2016-05-04 | 湖北省农业科学院植保土肥研究所 | Eluviation test device is planted to bucket |
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| CN101088621A (en) * | 2006-06-16 | 2007-12-19 | 中国科学院沈阳应用生态研究所 | Soil eluviation simulator |
| CN102053146A (en) * | 2010-11-03 | 2011-05-11 | 中国科学院新疆生态与地理研究所 | Automatic leaching method for soil column simulation test |
| CN204086260U (en) * | 2014-07-02 | 2015-01-07 | 北京林业大学 | A kind of native fish device for analyzing mixing sludge stroma contaminants migration feature |
| CN105092817A (en) * | 2015-07-29 | 2015-11-25 | 浙江大学 | Soil column leaching sampling device capable of conducting sampling automatically and method thereof |
| CN105116130A (en) * | 2015-09-06 | 2015-12-02 | 浙江大学 | Soil column device for simulating leaching, greenhouse gas collection and ammonia volatilization |
| CN205210078U (en) * | 2015-11-08 | 2016-05-04 | 湖北省农业科学院植保土肥研究所 | Eluviation test device is planted to bucket |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478808A (en) * | 2017-09-19 | 2017-12-15 | 河海大学 | A kind of device of lab simulation forest zone eluviation and immersion |
| CN107478808B (en) * | 2017-09-19 | 2019-12-13 | 河海大学 | Indoor simulation forest zone leaching soaking device |
| CN107561248A (en) * | 2017-10-11 | 2018-01-09 | 中国矿业大学(北京) | A kind of coal gangue hill high-temperature area rainfall leaching analogue experiment installation and experimental method |
| CN109270244A (en) * | 2018-08-24 | 2019-01-25 | 河海大学 | Solute transfer analogue observation device in soil under a kind of rainfall |
| CN109580471A (en) * | 2019-01-10 | 2019-04-05 | 上海市市政规划设计研究院有限公司 | A kind of experimental system of solid waste regenerated aggregate absorption leaching |
| CN109900586A (en) * | 2019-04-08 | 2019-06-18 | 山东省农业科学院农业资源与环境研究所 | A method of stalk potassium release characteristic is studied by simulated precipitation |
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Application publication date: 20170531 |