CN212780798U - System for simulating leaching characteristics of sand under different rainfall conditions - Google Patents
System for simulating leaching characteristics of sand under different rainfall conditions Download PDFInfo
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- CN212780798U CN212780798U CN202021755895.7U CN202021755895U CN212780798U CN 212780798 U CN212780798 U CN 212780798U CN 202021755895 U CN202021755895 U CN 202021755895U CN 212780798 U CN212780798 U CN 212780798U
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Abstract
The utility model provides a sandy soil eluviation characteristic system for simulating under different rainfall conditions can effectively solve the restriction problem of the condition that prior art sandy soil eluviation research received. The system comprises a water flow control mechanism and a sand leaching mechanism, wherein the water flow control mechanism is arranged above the sand leaching mechanism and is used for simulating rainfall on the sand leaching mechanism; the water flow control mechanism comprises a rainfall simulation master control system, a water flow channel, a plurality of rainfall simulators and a plurality of water flow size control switches, the rainfall simulation master control system supplies water to the rainfall simulators through the water flow channel, and the water flow size control switches are in one-to-one correspondence with the rainfall simulators and control the water flow sizes of the rainfall simulators; the sandy soil eluviation mechanism comprises a base, a plurality of eluviation columns, a gathering groove and a eluviation collecting channel, the eluviation columns correspond to the rainfall simulator one by one and are arranged under the rainfall simulator, sandy soil is contained in the eluviation columns, the gathering groove and the eluviation collecting channel are arranged under the sandy soil, and the end of the eluviation collecting channel is a eluviation collecting port.
Description
Technical Field
The utility model relates to an agricultural non-point source pollution control engineering technical field especially indicates a system suitable for carrying out leaching research under laboratory environment of simple and easy high efficiency, easy to maintain, facilitate promotion.
Background
The sandy soil is formed by mixing a large amount of sand and a small amount of clay, has the characteristics of large sand content, high water seepage speed, poor water and fertilizer retention performance, good ventilation performance and the like, has the sandy soil area of about 174.3 ten thousand square kilometers in China at present, accounts for 18.2 percent of the total area of the national soil, is widely distributed in inland desert areas or areas with serious wind erosion and desertification and river and lake coasts and coastal beach areas, but has the defects of serious nutrient loss and difficult organic matter accumulation due to the characteristics, is influenced by rainfall with different intensities and complicated and various rainwater components on different space and time scales, and has different leaching characteristics of the sandy soil under different rainfall conditions.
Rainfall leaching not only can cause erosion of geological landforms in different degrees, but also can carry a large amount of nutrient substances in soil, various domestic waste percolate, agricultural chemical agents and the like, and the nutrient substances, the various domestic waste percolate, the agricultural chemical agents and the like can flow into water bodies of various scales along with surface runoff and shallow underground underflow, so that eutrophication of the water bodies and toxic pollution of the agricultural chemical agents are caused, small negative effects are generated on human living environment and agricultural production, and the human health and the quality safety of agricultural products are harmed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sandy soil eluviation characteristic system for simulating under different rainfall conditions can effectively solve the restriction problem of the condition that prior art sandy soil eluviation research received.
The technical scheme of the utility model is realized like this: a system for simulating the sand leaching characteristics under different rainfall conditions comprises a water flow control mechanism and a sand leaching mechanism, wherein the water flow control mechanism is arranged above the sand leaching mechanism and is used for simulating rainfall on the sand leaching mechanism;
the water flow control mechanism comprises a rainfall simulation master control system, a water flow channel, a plurality of rainfall simulators and a plurality of water flow size control switches, the rainfall simulation master control system supplies water to the rainfall simulators through the water flow channel, and the water flow size control switches are in one-to-one correspondence with the rainfall simulators and control the water flow sizes of the rainfall simulators;
the sandy soil eluviation mechanism includes base, a plurality of drenches dissolves the post, assembles the groove, drenches solution collection passageway, drench dissolve the post with one-to-one between the rainfall simulator and set up in under the rainfall simulator, it has sandy soil to hold in the eluviation post, assemble the groove, drench solution collection passageway set up in the below of sandy soil, the end that drenches solution collection passageway is for drenching solution collection mouth.
As a preferred embodiment, the simulated rainfall general control system comprises a pressure pump for regulating the water flow speed;
the water flow channel is made of corrosion-resistant materials;
the rainfall simulator is detachably connected with the water flow channel, and is made of an anti-corrosion material;
the rainfall simulator is of a conical structure and is rotatably connected with the water flow channel by 90 degrees, and the rainfall simulator can rotate by 360 degrees around the central axis of the rainfall simulator;
holes with different densities and sizes are formed in the rainfall simulator.
As a preferred embodiment, the leaching column is made of transparent organic glass material;
a screen for filtering is arranged above the converging tank;
the leaching solution collecting channel and the leaching solution collecting port are made of corrosion-resistant materials.
After the technical scheme is adopted, the beneficial effects of the utility model are that: the system of the utility model can firstly simulate the sand leaching characteristic system under different rainfall conditions, does not occupy the land additionally, is convenient to maintain, simple to operate and low in cost, and the novel engineering structure is favorable for carrying out simulation experiments under the laboratory environment; secondly, most of the components of the system are made of corrosion-resistant materials with smooth inner walls, so that the system is convenient to clean and replace; third, the utility model is suitable for a various condition rainfall eluviation processes of simulation can effectively get rid of with the irrelevant various interference factor of experimental study, guarantee experimental data's accuracy and reproducibility.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: 1-simulating a rainfall general control system; 2-a water flow channel; 3-controlling the switch of the water flow; 4-a rainfall simulator; 5-a base; 6-leaching column; 7-a leaching solution collecting channel; 8-a leaching solution collecting port; 9-sink tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1, it is an embodiment of the present invention for simulating a sand leaching characteristic system under different rainfall conditions, which includes two main parts: the device comprises a water flow control mechanism and a sand leaching mechanism, wherein the water flow control mechanism is arranged above the sand leaching mechanism and used for simulating rainfall on the sand leaching mechanism, and the two mechanisms are described in detail below.
The water flow control mechanism comprises a rainfall simulation master control system 1, water flow channels 2, a plurality of (three are shown in the figure) rainfall simulators 4 and a plurality of (three are also shown in the figure) water flow size control switches 3, the rainfall simulation master control system 1 supplies water to the rainfall simulators 4 through the water flow channels 2, pressure pumps (not shown in the figure) for adjusting water flow speed are arranged in the rainfall simulation master control system 1, and the water flow size control switches 3 and the rainfall simulators 4 are in one-to-one correspondence and control the water flow sizes of the rainfall simulators 4.
The rainfall simulator 4 is detachably connected with the water flow channel 2, the rainfall simulator 4 is in a conical structure, the rainfall simulator and the water flow channel 2 can be rotatably connected by 90 degrees, and the rainfall simulator 4 can rotate around the central axis of the rainfall simulator by 360 degrees, so that different falling angles of rainfall can be simulated. Holes with different densities and sizes are formed in the rainfall simulator 4, and the rainfall density and the raindrop size can be simulated.
The rainfall simulator 4 is made of corrosion-resistant materials and can be periodically disassembled and replaced, and the water flow channel 2 is made of corrosion-resistant materials.
The sandy soil eluviation mechanism comprises a base 5, a plurality of (three shown in the figure) eluviation columns 6, a convergence groove 9 and a eluviation collection channel 7, wherein the eluviation columns 6 and the rainfall simulator 4 are in one-to-one correspondence and are arranged under the rainfall simulator 4, sandy soil is contained in the eluviation columns 6, the convergence groove 9 and the eluviation collection channel 7 are arranged under the sandy soil, and the end of the eluviation collection channel 7 is also provided with a eluviation collection port 8. Wherein, eluviation post 6 is the preparation of transparent organic glass material, can the visual observation rainfall eluviation simulated sand erosion characteristic down, the height and the pipe diameter of eluviation post 6 can be controlled by the people, the top of assembling groove 9 is equipped with and is used for filterable screen cloth (not shown in the figure), assembling groove 9 not only can assemble the thing that eluviates under the simulated condition and the eluviation to a bit, the screen cloth of its top can play filterable effect, it collects the mouth 8 and is corrosion-resistant material preparation with the eluviation to drench the solution collection passageway 7, and can dismantle the change at any time.
The utility model discloses a be used for simulating sand leaching characteristic system under different rainfall conditions simple and easy high efficiency, easy to maintain, the popularization of being convenient for, it is applicable to and drenches the research of dissolving under the laboratory environment, has fine practicality.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a sand eluviation characteristic system for simulating under different rainfall conditions which characterized in that: the rainfall simulation device comprises a water flow control mechanism and a sand leaching mechanism, wherein the water flow control mechanism is arranged above the sand leaching mechanism and is used for simulating rainfall on the sand leaching mechanism;
the water flow control mechanism comprises a rainfall simulation master control system, a water flow channel, a plurality of rainfall simulators and a plurality of water flow size control switches, the rainfall simulation master control system supplies water to the rainfall simulators through the water flow channel, and the water flow size control switches are in one-to-one correspondence with the rainfall simulators and control the water flow sizes of the rainfall simulators;
the sandy soil eluviation mechanism includes base, a plurality of drenches dissolves the post, assembles the groove, drenches solution collection passageway, drench dissolve the post with one-to-one between the rainfall simulator and set up in under the rainfall simulator, it has sandy soil to hold in the eluviation post, assemble the groove, drench solution collection passageway set up in the below of sandy soil, the end that drenches solution collection passageway is for drenching solution collection mouth.
2. The system for simulating sand leaching characteristics under different rainfall conditions of claim 1, wherein: the rainfall simulation master control system comprises a pressure pump for adjusting the water flow speed;
the water flow channel is made of corrosion-resistant materials;
the rainfall simulator is detachably connected with the water flow channel, and is made of an anti-corrosion material;
the rainfall simulator is of a conical structure and is rotatably connected with the water flow channel by 90 degrees, and the rainfall simulator can rotate by 360 degrees around the central axis of the rainfall simulator;
holes with different densities and sizes are formed in the rainfall simulator.
3. The system for simulating sand leaching characteristics under different rainfall conditions of claim 1, wherein: the leaching column is made of transparent organic glass material;
a screen for filtering is arranged above the converging tank;
the leaching solution collecting channel and the leaching solution collecting port are made of corrosion-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755895.7U CN212780798U (en) | 2020-08-20 | 2020-08-20 | System for simulating leaching characteristics of sand under different rainfall conditions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755895.7U CN212780798U (en) | 2020-08-20 | 2020-08-20 | System for simulating leaching characteristics of sand under different rainfall conditions |
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| CN212780798U true CN212780798U (en) | 2021-03-23 |
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| CN202021755895.7U Active CN212780798U (en) | 2020-08-20 | 2020-08-20 | System for simulating leaching characteristics of sand under different rainfall conditions |
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