CN203759002U - Experimental device for simulating water and salt movement affected by underground water levels of coastal reclamation areas - Google Patents
Experimental device for simulating water and salt movement affected by underground water levels of coastal reclamation areas Download PDFInfo
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- CN203759002U CN203759002U CN201420142595.XU CN201420142595U CN203759002U CN 203759002 U CN203759002 U CN 203759002U CN 201420142595 U CN201420142595 U CN 201420142595U CN 203759002 U CN203759002 U CN 203759002U
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Abstract
The utility model discloses an experimental device for simulating water and salt movement affected by underground water levels of coastal reclamation areas. The experimental device is characterized in that a transparent cuboid soil box is put in a transparent underground water level control box; moisture sensor installing holes, salinity sensor installing holes, temperature sensor installing holes and sampling holes are formed in side walls of the soil box in different radial heights along the direction of a center line parallel to the cylinder; filter layers are arranged at the soil mass bottom of the cuboid soil box and are wrapped by non-woven fabrics; water through holes are formed in side walls as high as the filter layers; a grid active plate convenient to dismantle is arranged on the side wall of the cuboid soil box; infrared lamps or incandescent lamps are arranged above the cuboid soil box; a water pipe and a water valve are arranged close to the bottom of the underground water level control box. The experimental device can simulate movement of water and salt in soil under the condition that underground water level rise is caused by seawater encroachment in the coastal reclamation areas, carry out real-time dynamic monitoring as well as study the law of movement of water and salt in soil by changing different experiment conditions such as different water quality, different water levels and the like in the underground water level control box.
Description
Technical field
The utility model belongs to farmland water conservancy works field, relates to a kind of experimental provision of simulating coastal reclamation area Effect of Underground Water Level water salt motion.
Background technology
Develop rapidly along with socioeconomic, the contradiction of land resource shortage is more and more outstanding, and coastal many areas have all proposed the plan of reclaiming fields from the sea, and encloses and cultivates for a long time develop shoals resource and be faced with the problem of salting of soil.Water soluble salt in alkaline land, coastal reclamation area is mobile along with the seepage flow of the holard, i.e. so-called " salt comes with water, and salt goes with water ".Coastal reclamation area quality of groundwater salinity is higher, the particularly coastal reclamation area of new hydraulic reclamation, and underground water table is closely connected with seawater.More shallow when underground water table ratio, a large amount of moisture evaporations cause salinity to gather in soil, and the salt content of soil is increased, and add the salination problem of heavy soil.
Along with the development of China's alkaline land improving technology, utilize all many-sided researchs such as technical measures to have new development and breakthrough at soil salt Law of Cause of Formation and feature, farmland water-saving irrigation water salt operation mechanism, alkaline land improving.Research shows, in soil, the motion change of water salt is subject to the impact of the factors such as underground water table, rainfall, evaporation, irrigation and drainage, soil utilization, the water salt characteristics of motion is extremely complicated, therefore strengthen the research of holard salt movement mechanism, further understand generation, evolution and the rule of salting of soil, can be salting of soil control necessary basic data and reference frame is provided.
Comparatively conventional in prior art is indoor soil-column simulated experiment, is used for simulated soil water salt migration rule as the conventional water salt of one experimental technique.Existing column simulation experimental provision is mainly to carry out soil infiltration experiment and evaporation experiment, holard salt motion process and rule research under the different Effect of Underground Water Levels of shorter mention, the WATER LEVEL CHANGES causing for coastal reclamation area inwelling lacks rational experiment research and device to the aspect that affects of holard salt motion.
Summary of the invention
In view of this, fundamental purpose of the present utility model is to provide a kind of experimental provision of simulating coastal reclamation area Effect of Underground Water Level water salt motion, and the holard salt that can realize under the different Effect of Underground Water Levels in coastal reclamation area is dynamically observed, and seeks the water salt characteristics of motion.
The purpose of this utility model is achieved through the following technical solutions:
A kind of experimental provision of simulating coastal reclamation area Effect of Underground Water Level water salt motion, it is characterized in that: this device comprises transparent rectangular parallelepiped soil case and transparent underground water table control box, sidewall outside at rectangular parallelepiped soil case is provided with transparent grid portable plate for convenience detach, on rectangular parallelepiped soil case sidewall, is provided with one group of moisture transducer mounting hole, salinity installation of sensors hole, temperature sensor mounting hole and thief hole along the different radial heights of the centerline direction that is parallel to this rectangular parallelepiped; In rectangular parallelepiped soil case, be provided with for the examination soil body, be provided with for the examination soil body bottom filtering layer being wrapped up by seepy material, rectangular parallelepiped soil case is placed in underground water table control box, and junction sealing arranges; Be provided with water pipe and the water valve for controlling water level in underground water table control box bottom; Be provided with the limbers being communicated with underground water table control box at filtering layer on high rectangular parallelepiped soil case sidewall; Above rectangular parallelepiped soil case, be provided with the lamp for controlling evaporation capacity.
In the utility model, rectangular parallelepiped soil case adopts transparent organic glass to make.Three wall outsides at rectangular parallelepiped soil case all arrange transparent grid portable plate, and are provided with one group of moisture transducer mounting hole, salinity installation of sensors hole, temperature sensor mounting hole and thief hole on three corresponding sidewalls.Ground moistening curve under Observable soil vertical section moisture salt dynamics process and drafting Effect of Underground Water Level.
Described lamp is infrared lamp or incandescent lamp, in indoor control evaporation capacity.Underground water table control box is the L shaped rectangular parallelepiped of top seal.In underground water table control box bottom, convenient mobile pulley is set.
Described filtering layer is from top to bottom fine sand layer, coarse sands layer, metalling; Filtering layer is wrapped up in nonwoven fabrics outward.The aperture of limbers is less than the diameter of filtrate in filtering layer.
The utility model has the advantage of: can simulate coastal reclamation area inwelling and cause the holard salt motion in underground water table rising situation, carry out holard salt real-time dynamic monitoring, can intuitively observe soil vertical section moisture, Salt movement process under precipitation, irrigation conditions, can, in conjunction with the soil vertical section water salt motion under the factor impacts such as other experiment condition simulated rainfalls, evaporation, irrigation, explore its Changing Pattern simultaneously.Can be by changing the different experimental conditions research holard salt characteristics of motion such as the interior different quality of underground water table control box, water level.
Brief description of the drawings
Fig. 1-1st, the structural representation of experimental provision in the utility model.
Fig. 1-2 is the side schematic view of experimental provision in the utility model.
Fig. 2-1st, the transparent Turbogrid plates schematic diagram in rectangular parallelepiped soil case front in the utility model experimental provision.
Fig. 2-2nd, the transparent Turbogrid plates schematic diagram of rectangular parallelepiped soil case side in the utility model experimental provision.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is described further.
As shown in Figure 1, the experimental provision of simulation coastal reclamation area Effect of Underground Water Level water salt motion comprises the rectangular parallelepiped soil case 1 that adopts transparent organic glass to make, the underground water table control box 2 that adopts transparent organic glass to make, moisture transducer mounting hole 3, salinity installation of sensors hole 4, temperature sensor mounting hole 5, thief hole 6, the filtering layer 7 being wrapped up by seepy material nonwoven fabrics, limbers 8, water pipe 9, water valve 10, grid portable plate 11, underground water table control box pulley 12, infrared lamp or incandescent lamp 13, for the examination soil body 14, for examination water body 15.
Transparent rectangular parallelepiped soil case 1, is of a size of long 100cm, wide 60cm and high 200cm, is placed in and descends pellucidly in water level control box 2, and 1 and 2 all adopt transparent organic glass, and junction sealing, prevents seepage.
On 3 sidewalls of transparent rectangular parallelepiped soil case 1, along the different radial heights of the centerline direction that is parallel to this cylinder, moisture transducer mounting hole 3, salinity installation of sensors hole 4, temperature sensor mounting hole 5 and thief hole 6 are respectively set, moisture, salinity, temperature and thief hole are located on sustained height.
The bottom of transparent rectangular parallelepiped soil case 1 is provided with the filtering layer 7 of nonwoven fabrics parcel, filtering layer is from top to bottom fine sand layer, coarse sands layer, metalling, the high 20cm of filtering layer, arranges limbers 8 at filtering layer with high sidewall, is convenient to entering in native case 1 for examination water body in Groundwater Control case 2.
3 sidewalls at rectangular parallelepiped soil case 1 are provided with grid portable plate 11 for convenience detach.
Underground water table control box is taked L shaped rectangular parallelepiped, and flash place height is 180cm, and flash is for the controlling groundwater level degree of depth.The place that approaches bottom at underground water table control box 2 arranges water pipe 9 and water valve 10, and water pipe and water valve adopt the etch-proof material of Salt And Alkali Tolerance.Below underground water table control box bottom, be provided with pulley 12, be used for moving and descending regularly water level control box 2 according to experimental site.Above transparent rectangular parallelepiped soil case 1, infrared lamp or incandescent lamp 13 are set according to requirement of experiment, simulate different evaporation conditionses.
Adopt the experimental technique of this device as follows:
1) in transparent rectangular parallelepiped soil case 1, pack into for the examination soil body 14, at moisture transducer mounting hole 3, salinity installation of sensors hole 4, temperature sensor mounting hole 5 positions install moisture transducer, salt sub sensor and temperature sensor, install the transparent grid portable plate 11 in rectangular parallelepiped soil case 1 outside with adhesive tape, then rectangular parallelepiped soil case is placed in underground water table control box 2.
2) according to requirement of experiment, infrared lamp or incandescent lamp 13 quantity and power are set, control evaporation capacity.
3) water pipe 9 by underground water table control box 2 bottoms and water valve 10 within the regular hour, injects or discharges that test sets for examination water body 15, supplying to try water body is that seawater or experiment need water.
4) by moisture transducer, salt sub sensor and temperature sensor, moisture, salinity and temperature are carried out to data acquisition and monitoring, carry out sampling monitoring from thief hole 6 simultaneously, obtain sampled data and carry out data processing, obtaining the data such as moisture, salinity and temperature real-time in native case.
5) on grid portable plate, draw ground moistening curve, test complete replacing Turbogrid plates and can start next group experiment.
Claims (8)
1. simulate the experimental provision of coastal reclamation area Effect of Underground Water Level water salt motion for one kind, it is characterized in that: this device comprises transparent rectangular parallelepiped soil case (1) and transparent underground water table control box (2), sidewall outside at rectangular parallelepiped soil case (1) is provided with transparent grid portable plate (11) for convenience detach, on rectangular parallelepiped soil case (1) sidewall, is provided with one group of moisture transducer mounting hole (3), salinity installation of sensors hole (4), temperature sensor mounting hole (5) and thief hole (6) along the different radial heights of the centerline direction that is parallel to this rectangular parallelepiped; In rectangular parallelepiped soil case (1), be provided with for the examination soil body (14), be provided with for the examination soil body (14) bottom the filtering layer (7) being wrapped up by seepy material, rectangular parallelepiped soil case (1) is placed in underground water table control box (2), and junction sealing arranges; Be provided with water pipe (9) and the water valve (10) for controlling water level in underground water table control box (2) bottom; Be provided with the limbers (8) being communicated with underground water table control box (2) at filtering layer (7) on high rectangular parallelepiped soil case sidewall; Be provided with the lamp (13) for controlling evaporation capacity in rectangular parallelepiped soil case (1) top.
2. the experimental provision of simulation according to claim 1 coastal reclamation area Effect of Underground Water Level water salt motion, is characterized in that: rectangular parallelepiped soil case (1) adopts transparent organic glass to make.
3. the experimental provision of simulation according to claim 1 coastal reclamation area Effect of Underground Water Level water salt motion, it is characterized in that: three wall outsides at rectangular parallelepiped soil case (1) all arrange transparent grid portable plate (11), and are provided with one group of moisture transducer mounting hole (3), salinity installation of sensors hole (4), temperature sensor mounting hole (5) and thief hole (6) on three corresponding sidewalls.
4. the experimental provision of simulation according to claim 1 coastal reclamation area Effect of Underground Water Level water salt motion, is characterized in that: described lamp (13) is infrared lamp or incandescent lamp.
5. the experimental provision of simulation according to claim 1 coastal reclamation area Effect of Underground Water Level water salt motion, is characterized in that: underground water table control box (2) is the L shaped rectangular parallelepiped of top seal.
6. the experimental provision of simulation according to claim 1 coastal reclamation area Effect of Underground Water Level water salt motion, is characterized in that: in underground water table control box (2) bottom, convenient mobile pulley (12) is set.
7. the experimental provision of simulation according to claim 1 coastal reclamation area Effect of Underground Water Level water salt motion, is characterized in that: described filtering layer (7) is from top to bottom fine sand layer, coarse sands layer, metalling; The outer nonwoven fabrics of wrapping up in of filtering layer (7).
8. the experimental provision of simulation according to claim 1 coastal reclamation area Effect of Underground Water Level water salt motion, is characterized in that: the aperture of limbers (8) is less than the diameter of filtrate in filtering layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142595.XU CN203759002U (en) | 2014-03-27 | 2014-03-27 | Experimental device for simulating water and salt movement affected by underground water levels of coastal reclamation areas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142595.XU CN203759002U (en) | 2014-03-27 | 2014-03-27 | Experimental device for simulating water and salt movement affected by underground water levels of coastal reclamation areas |
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| CN203759002U true CN203759002U (en) | 2014-08-06 |
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| CN201420142595.XU Expired - Fee Related CN203759002U (en) | 2014-03-27 | 2014-03-27 | Experimental device for simulating water and salt movement affected by underground water levels of coastal reclamation areas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865371A (en) * | 2015-05-22 | 2015-08-26 | 长沙学院 | Experiment device and method for consolidation of soft foundation under vacuum condition |
| CN109799325A (en) * | 2019-01-18 | 2019-05-24 | 河海大学 | A kind of device and its application method for simulating underground bearing course Salt Transport Characteristics in Soil rule |
-
2014
- 2014-03-27 CN CN201420142595.XU patent/CN203759002U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865371A (en) * | 2015-05-22 | 2015-08-26 | 长沙学院 | Experiment device and method for consolidation of soft foundation under vacuum condition |
| CN109799325A (en) * | 2019-01-18 | 2019-05-24 | 河海大学 | A kind of device and its application method for simulating underground bearing course Salt Transport Characteristics in Soil rule |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20160327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |