CN108152450A - Simulate the device and its application method of seashore reservoir pollution object migration - Google Patents
Simulate the device and its application method of seashore reservoir pollution object migration Download PDFInfo
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- CN108152450A CN108152450A CN201711142238.8A CN201711142238A CN108152450A CN 108152450 A CN108152450 A CN 108152450A CN 201711142238 A CN201711142238 A CN 201711142238A CN 108152450 A CN108152450 A CN 108152450A
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- sink
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- water supply
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses a kind of devices and its application method for simulating the migration of seashore reservoir pollution object, device includes tablet sink, water supply system, salt water supply system, base flow simulation system, sampling system, tidal wave maker, water supply system are connected with tablet sink trough, salt water supply system is connected with slot tail, sampling system is connect with slot body, and base flow simulation system is located at bottom of gullet, and tidal wave maker is connect with slot tail.Compared with prior art, the present invention can accurately simulate the migration of seashore reservoir pollution object, not only monitoring changes light, extra large height of water level in real time, and ensureing that the good water sample in sink of whole simulated environment carries out real time sample, migration rule of the pollutant under different flow, water level and tide head is detected with this.
Description
Technical field
The present invention relates to coastal pollution object moving apparatus more particularly to simulation seashore reservoir pollution object migration device and its
Application method.
Background technology
Freshwater resources spatial and temporal distributions are uneven at present, freshwater resources are rare per capita, especially the coastal region in east China, underground water money
Source exploitation is serious, and level of ground water is caused to decline, and destroys seawater fresh water boundary, local geology is caused to collapse, and causes disaster.On edge
Haiti area builds seashore reservoir, is regulation and control, the effective way using water resource, can make full use of seashore resource, obtain compared with flood
Kuku holds advantage.
Building for seashore reservoir can alleviate freshwater resources contradiction, play good Social benefit and economic benefit.Research
Seashore reservoir pollution object migration and variation rule understands the real-time change of seashore reservoir, for protecting seashore reservoir, improves beach ring
Border, alleviating water resource contradiction has benefit to the full extent.
Invention content
Goal of the invention:Device and its user the object of the present invention is to provide accurate simulation seashore reservoir pollution object migration
Method changes light, extra large height of water level with real-time monitoring, is ensureing that whole simulated environment is good carries out real time sample.
Technical solution:The device of seashore reservoir pollution object migration is simulated, including tablet sink, water supply system, brine
Supply system, base flow simulation system, sampling system, tidal wave maker, water supply system are connected with tablet sink trough, brine
Supply system is connected with slot tail, and sampling system is connect with slot body, and base flow simulation system is located at bottom of gullet, tidal wave maker and slot
Tail connects.
Water level control apparatus in water supply system includes adjusting handle, adjusting screw rod and crosses water valve plate, positioned at sink
The adjusting handle at top controls to adjust moving up and down for screw rod, and the lower end of adjusting screw rod is connect with crossing water valve plate.
Adjustable height bracket in salt water supply system includes bottom base, rocking bar, spring, fixed block, sliding block and stretches
Contracting bar, rocking bar adjustment spring are stretched with the length for changing telescopic rod, and telescopic rod one end is connected on fixed block, other end connection
On sliding block, sliding block is mounted in bottom base.The second brine tank is connect by communicating pipe with salt pool in salt water supply system.
In base flow simulation system, poly (methyl methacrylate) plate with holes is located at bottom of gullet, the second water check valve, the second glass rotors flow
Meter and the first peristaltic pump are sequentially arranged at below poly (methyl methacrylate) plate with holes.
Sampling system is fixed on the sink back side by fixing bracket and regulating nut, utilizes rubber hose and pre-plugged
Outlet pipe is connected.
The application method of the device of seashore reservoir pollution object migration is simulated, is included the following steps:
(1) diversion pipe between tablet sink and water supply system and salt water supply system is disconnected, is added in into sink
After deionized water, sample is slowly added to, specimen height is less than liquid level, forms simulated environment;
(2) diversion pipe between water supply system and tablet sink is opened, fresh water is extracted using immersible pump, opens valve
Door, adjusts flowmeter control flow, and water level control apparatus control dilute side water level reaches experiment pre-provisioning request;
(3) Nacl simulated seawaters are added in into third brine tank, open motor, the frequency of regulation motor and period, and beat
The diversion pipe of tidal wave maker and slot tail is opened, simulates the tidal regime of seawater under different situations, it is made to generate cyclically-varying, is led
Enter brine side, infiltrated;
(4) Nacl simulated seawaters are added in into the first brine tank, open the diversion pipe between tablet sink, connection and salt
The communicating pipe in pool water level section simulated seawater is extracted using immersible pump, adjusting bracket height makes the second brine tank water level and salt
Pool side water level flushes, and reaches required brine reservoir level, and seawater invasion sample forms and stablizes invasion interface;
(5) through brine side or dilute side or external source pollution box release pollutant, seashore reservoir, intrusion simulation are made it into
Area;
(6) different moments are sampled using sampling system, and carry out concentration records, analyze the migration rule of pollutant;
(7) experiment finishes, and closes diversion pipe and other devices, opens stock layout hole, connects nesting tube, utilizes inverted-siphon principle
Sample is discharged.
Operation principle:The present invention sets water retaining separater, flow flowing side simulation underground using two-dimensional flume in influent side
Water flows into flow field simulation, and opposite side feeds the solution of rational proportion to simulate the seawater of seashore reservoir, and brackish water interaction realizes sea
The real simulation of bank reservoir.
Wherein dilute side is become a mandarin flow using flowmeter control, is become a mandarin water level using water level control apparatus control underground water;
Brine side utilizes law of connected vessels so that brine side reservoir level height is equal to tank height, solves underground water and seawater water
The uncontrollable problem in position.
External source pollution sources are equipped with above sink and discharge box, seashore reservoir pollution object under different condition state can be simulated simultaneously
Migration and variation rule.Bottom of gullet is provided with base flow simulation system and carrys out the base flow of simulated groundwater position formation to salt-fresh water interaction
Influence to contaminant transportation really reduces the original form of seashore reservoir.
According to outdoor firsthand information by seashore reservoir according to centainly indoor two-dimensional flume experiment is reduced into than ruler, utmostly
Ensure true and reliable, while seawater side is connected with external wave generator, the sea state under real simulation difference tide head.
Advantageous effect:Compared with prior art, the present invention can accurately simulate the migration of seashore reservoir pollution object, not only in real time
Monitoring changes light, extra large height of water level, and is ensureing that it is real that the whole good water sample in sink of simulated environment carries out
When sample, migration rule of the pollutant under different flow, water level and tide head is detected, while considered sea with this
Influence of the base flow that bank reservoir level of ground water generates for experiment, reduces error.
Description of the drawings
Fig. 1 is cross-sectional view of the present invention;
Fig. 2 is adjustable height bracket sectional view;
Fig. 3 is pollutant sampling system structure diagram;
Fig. 4 is nesting tube figure;
Fig. 5 is external pollution box vertical view.
Specific embodiment
As shown in Figure 1, including tablet sink, height bracket, base flow is adjusted in water supply system, salt water supply system
Simulation system, tidal wave maker and stock layout hole.The fresh-water tank 1 being rest on the ground in water supply system passes through the first immersible pump 2
It draws water into spill box 3, so that underground water is gentler by the weir divider in spill box 3, pass through 5 He of the first sealing valve
First glass rotameter 6 is connected with tablet sink.Tablet sink includes trough, slot body, slot tail and bottom of gullet, simulation
Plant bulk is 4m × 0.8m × 0.3m.Slot body is respectively formed fresh water and salt pool by water retaining separater 9, and fresh water area water level utilizes
Water level control apparatus adjusts water level, and adjusting handle 4 controlled the Level Change of water valve plate 8 by moving up and down for adjusting screw rod 7
Fresh water area water level;Sink top is equipped with external pollution box 13, and simulation xenobiotic pollutants release, totally 4 rows 7 arrange;In sink in advance
5 row of embedded 7 row, 12 outlet pipe, respectively at 90cm, 150cm, 210cm, 270cm and 330cm;Sink back side installation stock layout hole
11, at sink lower part 120cm, 180cm, 240cm and 300cm.In salt water supply system, the simulation of certain proportion solution is prepared
First brine tank 17 of seawater is drawn water by immersible pump to the second brine tank 16.
Second brine tank 16 is placed on adjustable height bracket, as shown in Fig. 2, adjustable height bracket includes bottom base
Seat 22, rocking bar 18, spring 19, fixed block 20, packaged type sliding block 21 and telescopic rod 23 control spring 19 to change using rocking bar 18
Become the length of telescopic rod 23,23 one end of telescopic rod is connected on fixed block 20, and the other end is connected on packaged type sliding block 21, removable
Dynamic formula sliding block 21 is mounted in bottom base 22.The height of water level of second brine tank 16 is changed by adjustable height bracket,
And be connected using communicating pipe 15 with salt pool, control brine side water level using law of connected vessels.
The poly (methyl methacrylate) plate with holes 10 of strainer is coverd in base flow simulation system positioned at bottom of gullet, both sides, is sequentially connected
There is the second water check valve 23, the second glass rotameter 24 simulates base flow by controlling the first peristaltic pump 25.
Tidal wave maker 14 and third brine tank are connected with brine side, including tidal wave cannula system, water pump, connection system and
Rotation system changes the frequency of motor, and the period simulates the tidal regime under different condition.
As shown in figure 3, pollutant sampling system is fixed on the sink back side by fixing bracket 28 and regulating nut 29, utilize
Rubber hose 26 is connected with the outlet pipe 27 (12) of pre-plugged, is extracted out pore water using inverted-siphon principle, above and below built-in pipe
10~15cm is spaced, quantity can increase or decrease as needed.
As shown in figure 4, stock layout hole 11 is connected with nesting tube 30,30 caliber 6cm of nesting tube will row when experiment starts and carries out
Sample pipe 30 disconnects, closed stock layout hole 11, after sample is discharged using inverted-siphon principle.
As shown in figure 5, external pollution box simulating pollution object discharge, mounted on sink top.
Using the application method of the device of seashore reservoir pollution object migration, include the following steps:
(1) diversion pipe between tablet sink and water supply system and salt water supply system is disconnected, is added in into sink
Depth is the deionized water of 20cm, is then slowly added into sample, and specimen height is less than liquid level, ensures the homogeneous and saturation of sample,
Until pre-determined model, forms simulated environment;
(2) diversion pipe between water supply system and tablet sink is opened, fresh water is extracted using immersible pump, opens valve
Door, adjusts flowmeter control flow, and water level control apparatus control dilute side water level reaches experiment pre-provisioning request;
(3) Nacl simulated seawaters are added in into third brine tank, open motor, the frequency of regulation motor and period, and beat
The diversion pipe of tidal wave maker and slot tail is opened, simulates the tidal regime of seawater under different situations, it is made to generate cyclically-varying, is led
Enter brine side, infiltrated;
(4) Nacl simulated seawaters are added in into the first brine tank (17), open the diversion pipe between tablet sink, connection
With the communicating pipe between the water level region of salt pool, simulated seawater is extracted using immersible pump, adjusting bracket height makes the second brine tank (16)
Water level is flushed with salt pool side water level, and after reaching required brine reservoir level, seawater invasion sample forms and stablizes invasion interface;
(5) through brine side or dilute side or external source pollution box release pollutant (heavy metal pollution, source of students Substances Pollution), make
After it enters seashore reservoir, simulation region is invaded;
(6) different moments are sampled using sampling system, and carry out concentration records, analyze the migration rule of pollutant;
(7) experiment finishes, and closes diversion pipe and other devices, opens stock layout hole, connects nesting tube, utilizes inverted-siphon principle
Sample is discharged.
Claims (7)
1. a kind of device for simulating the migration of seashore reservoir pollution object, it is characterised in that:Including tablet sink, water supply system,
Salt water supply system, base flow simulation system, sampling system, tidal wave maker, the water supply system and tablet sink trough
It is connected, salt water supply system is connected with slot tail, and sampling system is connect with slot body, and the base flow simulation system is located at bottom of gullet,
The tidal wave maker is connect with slot tail.
2. the device of simulation seashore reservoir pollution object migration according to claim 1, it is characterised in that:The water supply
Water level control apparatus in system includes adjusting handle (4), adjusting screw rod (7) and crosses water valve plate (8), described to be located at sink top
Adjusting handle (4) control to adjust screw rod (7) and move up and down, the lower end of the adjusting screw rod (7) is with crossing water valve plate (8) even
It connects.
3. the device of simulation seashore reservoir pollution object migration according to claim 1, it is characterised in that:The brine supply
Adjustable height bracket in system includes bottom base (22), rocking bar (18), spring (19), fixed block (20), sliding block (21)
With telescopic rod (23), rocking bar (18) adjustment spring (19) is stretched with the length for changing telescopic rod (23), telescopic rod (23)
One end is connected on fixed block (20), and the other end is connected on sliding block (21), and sliding block (21) is in bottom base (22).
4. the device of simulation seashore reservoir pollution object migration according to claim 1, it is characterised in that:The brine supply
The second brine tank (16) is connect by communicating pipe (15) with salt pool in system.
5. the device of simulation seashore reservoir pollution object migration according to claim 1, it is characterised in that:The base flow simulation
In system, perforated plate (10) is wriggled positioned at bottom of gullet, the second water check valve (23), the second glass rotameter (24) and first
Pump (25) is sequentially arranged at below perforated plate (10).
6. the device of simulation seashore reservoir pollution object migration according to claim 1, it is characterised in that:The sampling system
The sink back side is fixed on by fixing bracket (28) and regulating nut (29), utilizes the outlet pipe phase of hose (26) and pre-plugged
Even.
7. a kind of application method for the device for simulating the migration of seashore reservoir pollution object, it is characterised in that:Include the following steps:
(1) disconnect the diversion pipe between tablet sink and water supply system and salt water supply system, into sink addition go from
After sub- water, sample is slowly added to, specimen height is less than liquid level, forms simulated environment;
(2) diversion pipe between water supply system and tablet sink is opened, fresh water is extracted using immersible pump, opens valve, adjust
Throttle gauge control flow, and water level control apparatus control dilute side water level reaches experiment pre-provisioning request;
(3) Nacl simulated seawaters are added in into third brine tank, open motor, the frequency of regulation motor and period, and open tide
The diversion pipe of wave generator and slot tail simulates the tidal regime of seawater under different situations, it is made to generate cyclically-varying, imports salt
Water side, is infiltrated;
(4) Nacl simulated seawaters are added in into the first brine tank (17), open the diversion pipe between tablet sink, connection and salt
The communicating pipe in pool water level section simulated seawater is extracted using immersible pump, adjusting bracket height makes the second brine tank (16) water level
It is flushed with salt pool side water level, reaches required brine reservoir level, seawater invasion sample forms and stablizes invasion interface;
(5) through brine side or dilute side or external source pollution box release pollutant, seashore reservoir is made it into, invades simulation region;
(6) different moments are sampled using sampling system, and carry out concentration records, analyze the migration rule of pollutant;
(7) experiment finishes, and closes diversion pipe and other devices, opens stock layout hole, and connection nesting tube (30) utilizes inverted-siphon principle
Sample is discharged.
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CN109696294A (en) * | 2019-01-31 | 2019-04-30 | 河海大学 | A kind of device for probing into tidal flat Dynamic Geomorphology under bioturbation |
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CN110470817A (en) * | 2019-09-02 | 2019-11-19 | 成都理工大学 | The two dimensional migration experimental provision of landfill yard groundwater pollutant |
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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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Application publication date: 20180612 |