CN208013213U - One-dimensional island underground water desalinates simulation test device - Google Patents

One-dimensional island underground water desalinates simulation test device Download PDF

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Publication number
CN208013213U
CN208013213U CN201820312437.2U CN201820312437U CN208013213U CN 208013213 U CN208013213 U CN 208013213U CN 201820312437 U CN201820312437 U CN 201820312437U CN 208013213 U CN208013213 U CN 208013213U
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China
Prior art keywords
water
barrel
inner cylinder
test cell
test
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Expired - Fee Related
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CN201820312437.2U
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Chinese (zh)
Inventor
李焜耀
吕海波
朱长歧
胡明鉴
张晨阳
崔翔
肖娟
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Wuhan Institute of Rock and Soil Mechanics of CAS
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Wuhan Institute of Rock and Soil Mechanics of CAS
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Priority to CN201820312437.2U priority Critical patent/CN208013213U/en
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Abstract

The utility model discloses a kind of one-dimensional island underground water to desalinate simulation test device, is related to ocean rock earth model test technology.The present apparatus includes experiment soil sample(00);It is provided with rainfall unit(10), test cell(20), fixed cell(30)And receiving unit(40);Test soil sample(00)It is placed in test cell(20)It is interior;Test cell(20)It is caught in fixed cell(30)Among;From top to bottom, rainfall unit(10), test cell(20)And receiving unit(40)It is sequentially communicated.The present apparatus can analyze the desalination phenomenon under a variety of geological conditions and condition of raining;Soil sensor can measure the variation of parameters in real time, while facilitate sampling, carry out micro-analysis and water analysis;The independently detachable assembling of each component of package unit is replaced, simple in structure, easy to operate, and accuracy is high.

Description

One-dimensional island underground water desalinates simulation test device
Technical field
The utility model is related to ocean rock earth model test technology more particularly to a kind of one-dimensional island underground water desalination simulations Experimental rig.
Technical background
China's Efforts To Develop Nanhai cracker project construction in recent years, creatively gathers materials on the spot, by twisting the modes handles such as suction, rake suction The rimstone hydraulic reclamation closed in the lakes Diarrhea and navigation channel forms artificial dust and sand island to reef disk.People are in long-term island underground simultaneously Fresh water finds that there is preservations within the scope of islands and reefs subsurface certain depth, floats on salty seawater, middle webbing is thin in utilizing Desalination pool, that is, " fresh water lens ".This desalination water body that left floating by rainfall infiltration displacement and density variation, It is the Source of life for supporting the Reef in Chinese South Sea animals and plants ecosystem extremely precious, and influences the key in islands and reefs ecological process Factor.
However existing island underground water desalination simulation is mostly strip, it is difficult to take out non-disturbed sample and for entire The mechanism study of desalination is also fewer.And the understanding that the mechanism desalinated forms entire island fresh groundwater is particularly significant , this process be gradual change, it is very long, with apparent time effect.A set of desalinator is specialized in so needing to establish The device of reason, and can have the condition that non-disturbed soil carries out micro-analysis that obtains.
Utility model content
The purpose of this utility model, which is that, overcomes shortcoming and deficiency of the existing technology, with providing a kind of one-dimensional island Lower water desalinates simulation test device.
What the purpose of this utility model was realized in:
Present apparatus main body uses cylinder model, and soil can be monitored in real time under different depth equipped with multiple soil sensors The numerical value of conductivity, temperature and volumetric water content;Can be taken out after experiment same even depth non-disturbed sample carry out CT scan and The measurement of soil leading ion, pH value;While elution, the variation of soil conductivity is obtained in real time and is eluted The case where change of water quality discloses under different experimental conditions, and earth pillar is desalinated, and combine its feature of micro-analysis.
Specifically:
The present apparatus includes experiment soil sample;
It is provided with rainfall unit, test cell, fixed cell and receiving unit;
Its position and connection relation are:
Experiment soil sample is placed in test cell;
Test cell is caught among fixed cell;
From top to bottom, rainfall unit, test cell and receiving unit are sequentially communicated.
The utility model has following advantages and good effect:
1. whole device uses organic glass material, the entire impregnation process of moisture can be observed by the naked eye, while interior Cylinder can propose after the end of the experiment, more convenient to obtain the non-disturbed sample of same even depth, and inner cylinder can carry out CT scan, Influence of the analysis group structure relationship to desalination;
2. being equipped with the circular hole of same apertures size on outer barrel, arranged along certain depth, very convenient soil sensor Embedment and taking-up;
3. rainfall unit can place different size of syringe needle and be inserted into plate, uniform precipitation rain different with simulation may be implemented It by force, being capable of the true condition of raining of more preferable simulation;
4. liquid storing barrel is also used as the device of simulation underground sea water, the desalination situation in the presence of underground sea water is simulated, That is the present apparatus can simulate a variety of geological conditions, more truly reflect the desalination mechanism of islands and reefs.
In short, the present apparatus can analyze the desalination phenomenon under a variety of geological conditions and condition of raining;Soil sensor energy It is enough to measure the variation of parameters in real time, while facilitating sampling, carry out micro-analysis and water analysis;Each component of package unit Independently detachable assembling is replaced, simple in structure, easy to operate, and accuracy is high.
Description of the drawings
Fig. 1 is the block diagram of the present apparatus;
Fig. 2 is the structural schematic diagram of the present apparatus;
Fig. 3-1 is the front view of rainfall unit 10,
Fig. 3-2 is the left view of rainfall unit 10,
Fig. 3-3 is the vertical view of rainfall unit 10;
Fig. 4-1 is the front view of test cell 20,
Fig. 4-2 is the vertical view of test cell 20;
Fig. 5-1 is the front view of fixed cell 30,
Fig. 5-2 is the left view of fixed cell 30;
Fig. 5-3 is the vertical view of fixed cell 30;
Fig. 6-1 is the front view of receiving unit 40,
Fig. 6-2 is the left view of receiving unit 40,
Fig. 6-3 is the vertical view of receiving unit 40.
In figure:
00-experiment soil sample;
10-rainfall units,
11-water tanks, 12-water quality measurement casees, 13-1,13-2-the 1st, 2 water pipes,
14-peristaltic pumps, 15-precipitation casees, 16-syringe needles are inserted into plate;
20-test cells,
21-inner cylinders, 22-outer barrels, 22-1-groove;
30-fixed cells,
31-disc bases, 32-latch closures, 33-dorsal columns;
40-receiving units,
41-liquid storing barrels, the 1st seawater apopores of 44-1-, the 2nd seawater apopores of 41-2-,
41-3-seawater inlet port;
42-cushion blocks, 42-1-large size leakage hole.
Specific implementation mode
It is described in detail with reference to the accompanying drawings and examples:
One, device
1, overall
Such as Fig. 1,2, the present apparatus includes experiment soil sample 00;
It is provided with rainfall unit 10, test cell 20, fixed cell 30 and receiving unit 40;
Its position and connection relation are:
Experiment soil sample 00 is placed in test cell 20;
Test cell 20 is caught among fixed cell 30;
From top to bottom, rainfall unit 10, test cell 20 and receiving unit 40 are sequentially communicated.
2, functional unit
0)Test soil sample 00
Experiment soil sample 00 is the subjects of the present apparatus.
1)Rainfall unit 10
Such as Fig. 3-1,3-2,3-3, rainfall unit 10 includes sequentially connected water tank 11, water quality measurement case 12, the 1st water pipe 13-1, peristaltic pump 14, the 2nd water pipe 13-2, precipitation case 15 and syringe needle are inserted into plate 16.
Its major function is:Rainfall simulation is carried out, it can be by the way that different raininess, rainfall and rainfall duration be arranged, to grind Study carefully influence of the different condition of raining to salt process of dispelling.
(1)Water tank 11
Water tank 11 is the cube chest of a length × width × height=100cm × 100cm × 200cm, by organic glass system At being connected with water quality measurement case 12 on the right side of water tank 11, be interconnected by eyelet between two chests, in water tank 11 Water be free to enter in water quality measurement case 12.
(2)Water quality measurement case 12
Water quality measurement case 12 is the cube chest of a length × width × height=50cm × 50cm × 100cm, by organic glass It is made, inside can just be put into water quality measuring instrument, carry out entering water water quality detection in real time.
(3)1st, 2 water pipe 13-1,13-2
1st, 2 water pipe 13-1,13-2 are the common silicone tube of commercial type, and specification is 2mm × 4mm.
(4)Peristaltic pump 14
Peristaltic pump 14 is the peristaltic pump used in Routine Test Lab, can adjust uninterrupted, carry out current stabilization water supply for a long time.
(5)Precipitation case 15
Precipitation case 15, which is one kind, lid cylinder, is made of organic glass, internal diameter 20cm, a height of 5cm.
(6)Syringe needle is inserted into plate 16
It is a kind of and the apertureddise of 15 bottom surface of precipitation case adaptation that syringe needle, which is inserted into plate 16,.
The size in its hole has different size, can carry out the simulation of different rainfall intensities.
2)Test cell 20
Such as Fig. 4-1,4-2, test cell 20 is made of inner cylinder 21 and outer barrel 22;
The center line of inner cylinder 21 and outer barrel 22 overlaps, and experiment is filled up between inner cylinder 21 and outer barrel 22 and among inner cylinder 21 Soil sample 00.
The function of test cell 20:It is the Primary containers tested soil sample 00 and fill sample, can extracts after the end of the experiment same The non-disturbed sample of depth carries out micro-analysis.
(1)Inner cylinder 21
Inner cylinder 21 is a kind of long cylinder of organic glass, diameter 2cm, height 100cm, and barrel is provided with aperture 21-1;Inner cylinder 21 It is connected with outer barrel 22 by aperture 21-1;
The diameter of inner cylinder 21 is 2cm, compares and is appropriate for CT scan, and setting is same after being tested for more convenient acquisition The non-upset test soil sample 00 of even depth.
(2)Outer barrel 22
Outer barrel 22 is a kind of long cylinder of organic glass, diameter 20cm, height 100cm, and two grooves up and down are provided with outside barrel 22-1;There are 2 groove 22-1 on the outside of outer barrel, latch closure 32 is facilitated to fix outer barrel 22.
3)Fixed cell 30
Such as Fig. 5-1,5-2,5-3, fixed cell 30 is made of disc base 31, latch closure 32 and dorsal column 33;
Disc base 31 and 33 vertical connection of dorsal column are respectively arranged with ring at a L-shaped entirety in the top and the bottom of dorsal column 33 Button 32.
The function of fixed cell 30 is:Avoid during the experiment test cell 20 move, influence experimental result.
(1)Disc base 31
Disc base 31 is a kind of metal ring;
(2)Latch closure 32
Latch closure 32 is a kind of and what the groove 22-1 of outer barrel 22 was adapted to is in 2/3 circular elastic sheet metal;
(3)Dorsal column 33
Dorsal column 33 is that a kind of cross section is rectangular long column.
4)Receiving unit 40
Such as Fig. 6-1,6-2,6-3, receiving unit 40 includes liquid storing barrel 41, cushion block 42, and cushion block 42 covers on liquid storing barrel 41.
The function of receiving unit 40 is:On the one hand it is to receive as storage container and test 00 liquid of soil sample from top, with And during the experiment, facilitate extraction water sample, carry out water quality detection;On the other hand, it is to be filled as existing for simulation underground sea water It sets.
(1)Liquid storing barrel 41
Liquid storing barrel 41 is a kind of drum, and diameter 32cm, height 15cm are made of organic glass, on the left side of liquid storing barrel 41 It is provided with the 1st seawater apopore 41-1 and seawater inlet port 41-3, the back of liquid storing barrel 41 is provided with the 2nd seawater apopore 41-2;
Different with water tank 11, liquid storing barrel 41 is to receive the water sample after top experiment soil sample 00 elutes, be convenient for It measures and analyzes desalination situation in different time periods;41 top of liquid storing barrel is connect by cushion block 42 with outer barrel 22 and inner cylinder 21.
(2)Cushion block 42
Cushion block 42 is a kind of round block, and diameter 32cm, height 2cm are made of organic glass, are provided with large size leakage hole 42-1 allows the liquid of experiment soil sample 00 to flow into liquid storing barrel 41 by large size leakage hole 42-1.
Its working mechanism:
Liquid storing barrel 41 is sampled when sampling by seawater inlet port 41-3, water sample that in this way will not be in disturbance device;
On the one hand liquid storing barrel 41 can be sampled the function with liquid storage, while he is also used as simulation underground sea water and exists When the case where;Because in actual islands and reefs, there are the seawater of certain depth for underground, and when simulating underground sea water, seawater is from sea Water inlet opening 41-3 enters, and until rising to certain altitude, opens simultaneously the 1st seawater apopore 41-1 and the 2nd seawater apopore 41-2;Lower part persistently flows into seawater, and extra seawater reaches a kind of the case where determining head from the apopore outflow of two, top;This When take away cushion block 42, test cell 20 is directly placed into liquid storing barrel 41 and is tested.
3, the operation principle of the present apparatus:
Experiment 00 compaction in layers of soil sample is fitted into inner cylinder 21 and outer barrel 22, device is then fixed on fixed cell 30 On;Top rainfall unit 10 carries out simulated rainfall, and changes rainfall intensity according to experiment condition;Soil is inserted into from outer barrel 22 to pass Sensor, the conductivity of real-time monitoring test soil sample 00, the numerical value of temperature and volumetric water content;In experimentation from liquid storing barrel 41 The water sample after elution is obtained, its PH and chlorine ion concentration are analyzed;The experiment soil sample 00 of outer barrel 22 is cut out after experiment, is obtained The CT scan and ion analysis that the non-upset test soil sample 00 of inner cylinder 21 carries out.
Simultaneously in order to preferably reflect the actual conditions on island, can according to requirement of experiment establish there are the feelings of underground sea water Condition carrys out influence of the Study of The Underground seawater to desalination.
Two, simulation experiment method
This method includes the following steps:
1. water butt 41 is put into firm banking 31, cushion block 42 is installed, and inner cylinder 21 and outer barrel 22 are placed on simultaneously On cushion block 42, the center line of inner cylinder 21 and outer barrel 22 overlaps, and is fixed by latch closure 32;
2. testing 00 compaction in layers of soil sample, it is packed between inner cylinder 21 and outer barrel 22 and in inner cylinder 21, while soil being passed Sensor is inserted into outer barrel 22, the variation of the conductivity, temperature and volumetric water content of real-time monitoring test soil sample 00;
3. the rainfall unit 10 on mounting device top inserts the needle into plate 16 and is put into 16 bottom of precipitation case, according to experiment need It wants, selects different size of aperture;Precipitation case 11 is fixed on syringe needle and is inserted on plate 16, and wriggling is connected to by the 2nd water pipe 13-2 Pump 14;Peristaltic pump 14 is drawn water from water quality measurement case 12 by the 1st water pipe 13-1 connection water quality measurements case 12 to precipitation case 15;
4. device installs, simulated rainfall is carried out, the data of soil sensor is acquired at regular intervals, opens simultaneously Seawater inlet port 41-3 extracts water sample, analysis water outlet water quality situation;
5. changing simulated geological conditions if necessary, increase the case where there are underground sea waters;It will be in liquid storing barrel 41 Seawater inlet port 41-3 is as seawater inlet, and the 1st seawater apopore 44-1 and No. 2 water apopore 41-2 is as extra seawater Outflux, simulation underground sea water there are when to islands and reefs desalination influence;
6. experiment terminates, the experiment soil sample 00 between outer barrel 22 and inner cylinder 21 is cut out, extraction inner cylinder 22 carries out CT scan;Together When sampling carry out experiment soil sample 00 leading ion and pH value analysis;
7. device is removed, remove successively from top to bottom, and cleaned.

Claims (1)

1. a kind of one-dimensional island underground water desalinates simulation test device, including experiment soil sample (00);
It is characterized in that:
It is provided with rainfall unit (10), test cell (20), fixed cell (30) and receiving unit (40);
Its position and connection relation are:
Experiment soil sample (00) is placed in test cell (20);
Test cell (20) is caught among fixed cell (30);
From top to bottom, rainfall unit (10), test cell (20) and receiving unit (40) are sequentially connected;
The rainfall unit (10) include the water tank (11) being sequentially communicated, water quality measurement case (12), the 1st water pipe (13-1), Peristaltic pump (14), the 2nd water pipe (13-2), precipitation case (15) and syringe needle are inserted into plate (16);
The test cell (20) is made of inner cylinder (21) and outer barrel (22);
The center line of inner cylinder (21) and outer barrel (22) overlaps, and is filled out between inner cylinder (21) and outer barrel (22) and among inner cylinder (21) Completely experiment soil sample (00);
Inner cylinder (21) is a kind of long cylinder of organic glass, diameter 2cm, height 100cm, and barrel is provided with aperture (21-1);Inner cylinder (21) it is connected with outer barrel (22) by aperture (21-1);
Outer barrel (22) is a kind of long cylinder of organic glass, diameter 20cm, height 100cm, and two grooves up and down are provided with outside barrel (22-1);
The fixed cell (30) is made of disc base (31), latch closure (32) and dorsal column (33);
Disc base (31) and dorsal column (33) vertical connection are respectively arranged at a L-shaped entirety in the top and the bottom of dorsal column (33) Latch closure (32);
Disc base (31) is a kind of metal ring;
Latch closure (32) is a kind of and outer barrel (22) groove (22-1) adaptation in 2/3 circular elastic sheet metal;
Dorsal column (33) is that a kind of cross section is rectangular long column;
The receiving unit (40) includes liquid storing barrel (41) and cushion block (42), and cushion block (42) covers on liquid storing barrel (41);
Liquid storing barrel (41) is a kind of drum, the left side of liquid storing barrel (41) be provided with the 1st seawater apopore (41-1) and seawater into Water hole (41-3) is provided with the 2nd seawater apopore (41-2) in the back of liquid storing barrel (41);
Cushion block (42) is a kind of round block, is provided with large size leakage hole (42-1).
CN201820312437.2U 2018-03-07 2018-03-07 One-dimensional island underground water desalinates simulation test device Expired - Fee Related CN208013213U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108196036A (en) * 2018-03-07 2018-06-22 中国科学院武汉岩土力学研究所 One-dimensional island underground water desalination simulation test device and its method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108196036A (en) * 2018-03-07 2018-06-22 中国科学院武汉岩土力学研究所 One-dimensional island underground water desalination simulation test device and its method

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