CN108166438A - A kind of device for simulating the seawater environmental parameters variation of river tide section river - Google Patents
A kind of device for simulating the seawater environmental parameters variation of river tide section river Download PDFInfo
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- CN108166438A CN108166438A CN201810154105.0A CN201810154105A CN108166438A CN 108166438 A CN108166438 A CN 108166438A CN 201810154105 A CN201810154105 A CN 201810154105A CN 108166438 A CN108166438 A CN 108166438A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
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Abstract
The invention belongs to water environment technical fields, are related to a kind of device for simulating the seawater environmental parameters variation of river tide section river.The device, by upstream runoff volume control device, simulating riverway slot）, downstream tide volume control device form, wherein simulating riverway slot be the adjustable channel-shaped body of gradient；Upstream runoff volume control device is located at the upstream end side of simulating riverway slot, and passes through upstream water inlet pipe and simulating riverway slot upstream end（18）Slot bottom communicate it is connected；Downstream tide volume control device is located at the downstream of simulating riverway slot, and passes through downstream water inlet pipe and communicated with the slot bottom of simulating riverway slot downstream and is connected.Apparatus of the present invention simple structure, easy to operate, hand labor intensity is low, and usage range is wide, and experimental efficiency is high, economizes on resources, and reduces experimental expenses.
Description
Technical field
The invention belongs to water environment technical fields, are related to a kind of dress for simulating the seawater environmental parameters variation of river tide section river
It puts.
Background technology
The mission requirements such as Study of Water Environment seawater of playback prototype in physical model traces back phenomenon, i.e., makes by a certain percentage
Make natural river course scaled model, it is desirable that pass through the hydrologic(al) regime of water, water level and the reduced scale of time playback natural river course.It is accurate
Simulating riverway in dry season, the period when a river is at its normal level and wet season seawater invasion river process, the water body fluidised form of complete set is needed to control
Device.For the simulation of above-mentioned phenomenon, using flow control method, fresh-saline water interface in river when simulating estuary difference water,
Silt and each pollutant situation of change analyze seawater environmental parameters variation tendency, reference data are provided for mathematics model analysis.
The existing experimental provision based on annular water tank, sink changes in flow rate range is typically more single, annual seawater flow
Actual change situation is complex, and the simulation of single changes in flow rate can not ensure the range to discharge of river whole year actual change
The simulation of covering can not carry out different multigroup Experiment Data Records, this may cause experimental data sufficiently complete, cause conclusion
It is deviated.Meanwhile it is more difficult during the observation of existing annular water tank while observe two sides, to experimental data during physical record
It records or has delay.Finally, existing annular water tank is not smart enough to the simulation of practical estuary gradient situation generally without slope change
Really, experimental data is made to generate a little error.
It is rarely reported at present by intuitive physical model seawater invasion mechanism.
Invention content
A kind of mould is provided it is an object of the invention to break through usual study condition limitation and overcome the deficiencies in the prior art
Intend the device of river tide section river seawater environmental parameters variation.
The present invention is directed to overcome the shortcomings of existing annular water tank, while real estuary is simulated in different time sections upper river stream
Amount is different, the different streamflow feature of downstream tide flow so that can accomplish to cover entirely to practical river whole year changes in flow rate
The simulation of lid.Simultaneously according to real estuary stream gradient situation, the present invention can freely adjust the upstream and downstream gradient, and then accurate
The variation of the upstream and downstream discharge of river is studied, and then obtains river water body seawater environmental parameters changing rule.
The device of simulation river tide section river seawater environmental parameters variation of the present invention, by upstream runoff flow control
Device, simulating riverway slot, downstream tide volume control device are formed, and wherein simulating riverway slot is the adjustable channel-shaped body of gradient,
High one end is upstream end, and low one end is downstream；Upstream runoff volume control device is located at the upstream end of simulating riverway slot
Side, and pass through upstream water inlet pipe and communicated with the slot bottom of simulating riverway slot upstream end and is connected；Downstream tide volume control device position
In the downstream of simulating riverway slot, and pass through downstream water inlet pipe and communicated with the slot bottom of simulating riverway slot downstream and is connected.
The upstream runoff volume control device is by fresh-water pool, upstream water pump, upstream flow meter, upstream valve and upstream
Water inlet pipe forms and passes through upstream water inlet pipe and is sequentially connected, the two ends of upstream water inlet pipe respectively with fresh-water pool, simulating riverway slot
Upstream end bottom be connected.Fresh water is let out under the injection simulation of simulating riverway slot by upstream water pump, is let out under upstream flow meter control
Water.
The simulating riverway slot, cell wall is by being convenient for the rigid transparent material of observation to be made, two ends setting sealing plate
Closing.
The simulating riverway slot, close to the upstream end of simulating riverway slot and close to the bottom of the downstream of simulating riverway slot
Portion is also respectively provided with adjustable for height upstream foot stool and downstream foot stool.It is that intermediate position can add foot when simulating riverway slot is longer
Frame.The gradient of simulating riverway slot, and then the simulating riverway gradient are controlled by adjusting the height of foot stool.
The simulating riverway slot, slot bottom are also equipped with fine sand, simulate channel morphology.
The sealing plate of the two ends setting is upstream sealing plate in the upstream end of simulating riverway slot, and downstream is sealed for downstream
Plate.
The downstream sealing plate is provided with discharge outlet in the position close to slot bottom bottom.
The downstream tide volume control device is by simulation salt water pond, downstream water pump, downstream flow meter, valve downstream
It is formed with downstream water inlet pipe and passes through downstream water inlet pipe and be sequentially connected, the two ends of downstream water inlet pipe are respectively with simulating salt water water
Pond, simulating riverway slot device the slot bottom bottom of downstream be connected.It is traced back by downstream water pump to the injection simulation of simulating riverway slot
Water is traced back in salt water, downstream flow meter control.
The present invention has the advantages that：
Upstream and downstream flow of the present invention by flowmeter can realize and control that variation range is wide, can simulate the annual period
Arbitrary rivers current amount and seawater trace back water.
Relatively transparent glass material can be used in sink groove body side of the present invention, intuitively observation station's simulated experiment can change feelings
Condition, while the sink gradient can be freely adjusted, accurately simulate specific river situation.
Device simple structure of the present invention, easy to operate, hand labor intensity is low, and usage range is wide, conventional efficient
Height economizes on resources, and reduces experimental expenses.
Water storage pool volume of the present invention is big, can provide hardware support for experiment water, ensure the abundance and reality of water
The accuracy tested.
Description of the drawings
Fig. 1 is the front schematic view of the device of the invention.
Specific embodiment
In Fig. 1,1 is the downstream of simulating riverway slot；2 be the downstream sealing plate of simulating riverway slot；3 be downstream sealing plate, by
The position of nearly slot bottom bottom is provided with discharge outlet；4 be the valve downstream in the tide volume control device of downstream；5 be downstream tide
Downstream flow meter in volume control device；6 be the simulation salt water pond in the tide volume control device of downstream；7 be downstream tide
Downstream water inlet pipe in nighttide volume control device；8 be downstream tide volume control device middle and lower reaches water pump；9 be simulating riverway slot
Close to the downstream of simulating riverway slot（1）The adjustable downstream foot stool of bottom level；10 be simulating riverway slot；11 be simulating riverway
Slot（10）Close to simulating riverway slot（10）Upstream end the adjustable upstream foot stool of bottom level；12 be upstream runoff flow control
Upstream water inlet pipe in device；13 be upstream runoff volume control device middle and upper reaches water pump；14 be upstream runoff flow control dress
Fresh-water pool in putting；15 be the upstream flow meter in upstream runoff volume control device；16 be upstream runoff volume control device
In upstream valve；17 be simulating riverway slot（10）Upstream sealing plate；18 be simulating riverway slot（10）Upstream end.
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
According to the technical solution proposed in the content of present invention, using tempered glass combination stainless steel adapting piece, pass through glass
Wall can intuitively observe simulating riverway hydrologic regime and height of water level etc..
Process the fresh-water pool in upstream runoff volume control device（14）, simulating riverway slot（10）With downstream tide flow control
Simulation salt water pond in device processed（6）.
Pass through the downstream water inlet pipe in the tide volume control device of downstream（7）Under in the tide volume control device of downstream
Swim valve（4）, downstream flow meter in the tide volume control device of downstream（5）, downstream tide volume control device middle and lower reaches water
Pump（8）Successively with the simulation salt water pond in the tide volume control device of downstream（6）, simulating riverway slot（10）Downstream bottom
It carries out concatenation and forms water passage.Salt water pond is simulated after concatenation（6）Simulation salt water can will be simulated by the water passage of concatenation
Salt water is pumped into simulating riverway slot（10）Downstream bottom.
Pass through the upstream water inlet pipe in upstream runoff volume control device（12）It will be in upstream runoff volume control device
Upstream valve（16）, upstream flow meter（15）, upstream water pump（13）Successively with the fresh-water pool in the tide volume control device of upstream
（14）, simulating riverway slot（10）Upstream end bottom carry out concatenation form water passage.Fresh-water pool after concatenation（14）In fresh water
Can fresh water be pumped by upstream end bottom by the water passage of concatenation.
In simulating riverway slot（10）Downstream（1）Downstream sealing plate（1）The position of slot bottom bottom is provided with draining
Mouthful（3）, discharge outlet can be passed through at the end of experiment（3）By River Channel（10）Interior water empties.
In simulating riverway slot（10）Close to simulating riverway slot（10）Upstream end（18）With close simulating riverway slot（10）'s
Downstream（1）Bottom set by be equipped with adjustable for height upstream foot stool（11）With downstream foot stool（9）To simulating riverway slot（10）It rises
Effect is supported and fixed, simultaneously.Position can add foot stool among when simulating riverway slot is longer.By adjust the height of foot stool come
Control the gradient of simulating riverway slot, and then the simulating riverway gradient.
The device method of operation：Upstream foot stool is adjusted first（11）With downstream foot stool（9）Height, make simulating riverway slot（10）
In certain slope, the high downstream of upstream it is low.When simulating upstream runoff flow, the fresh water of upstream is by upstream water pump（13）From light
Pond（14）It extracts, passes through upstream flow meter（15）Regulating pondage passes through upstream water inlet pipe（12）Fresh water is injected into simulating riverway
Slot（10）Upstream end（18）In.When simulating downstream tide flow, the simulation salt water in downstream is by downstream water pump（8）From salt water pond
（6）It extracts, passes through downstream flow meter（5）Regulating pondage passes through downstream water inlet pipe（7）Salt water is injected into simulating riverway slot（10）'s
Downstream（1）In.
Upstream and downstream water is become all in accordance with actual environment equal proportion reduced scale by measuring seawater environmental parameters in simulating riverway
Change situation, modeling analysis river salinity, silt and each pollutant invasion mechanism, and be modified according to practical river numerical value,
Final result applies to actual environment network analysis, and support is provided for river mouth life and ecological environment reparation etc..
One kind of embodiment described above, only more preferably specific embodiment of the invention, those skilled in the art
The usual variations and alternatives that member carries out in the range of the technology of the present invention embodiment are included in protection scope of the present invention.
Claims (8)
1. a kind of device for simulating the seawater environmental parameters variation of river tide section river, by upstream runoff volume control device, simulation
River Channel（10）, downstream tide volume control device form, wherein simulating riverway slot（10）It is high for the adjustable channel-shaped body of gradient
One end be upstream end（18）, low one end is downstream（1）；Upstream runoff volume control device is located at the upper of simulating riverway slot
You Duan（18）Side, and pass through upstream water inlet pipe（12）With simulating riverway slot（10）Upstream end（18）Slot bottom communicate it is connected；Under
Trip tide volume control device is located at simulating riverway slot（10）Downstream（1）, and pass through downstream water inlet pipe（7）With simulating riverway
Slot（10）Downstream（1）Slot bottom communicate it is connected.
2. a kind of device for simulating the seawater environmental parameters variation of river tide section river according to claim 1, feature exist
In the upstream runoff volume control device by fresh-water pool（14）, upstream water pump（13）, upstream flow meter（15）, upstream valve
（16）With upstream water inlet pipe（12）It forms and passes through upstream water inlet pipe（12）It is sequentially connected, upstream water inlet pipe（12）Two ends point
Not and fresh-water pool（14）, simulating riverway slot（10）Upstream end（18）Bottom is connected.
3. a kind of device for simulating the seawater environmental parameters variation of river tide section river according to claim 1, feature exist
In the simulating riverway slot（10）, cell wall is made by rigid transparent material, and two ends setting sealing plate is closed.
4. a kind of device for simulating the seawater environmental parameters variation of river tide section river according to claim 1, feature exist
In the simulating riverway slot（10）, close to simulating riverway slot（10）Upstream end（18）With close simulating riverway slot（10）'s
Downstream（1）Bottom be also respectively provided with adjustable for height upstream foot stool（11）With downstream foot stool（9）.
5. a kind of device for simulating the seawater environmental parameters variation of river tide section river according to claim 1, feature exist
In the simulating riverway slot（10）, slot bottom is also equipped with fine sand, simulates channel morphology.
6. a kind of device for simulating the seawater environmental parameters variation of river tide section river according to claim 3, feature exist
In the sealing plate that the two ends are set, in simulating riverway slot（10）Upstream end（18）For upstream sealing plate（17）, downstream（1）
For downstream sealing plate（2）.
7. a kind of device for simulating the seawater environmental parameters variation of river tide section river according to claim 6, feature exist
In the downstream sealing plate（2）, the position close to slot bottom bottom is provided with discharge outlet（3）.
8. a kind of device for simulating the seawater environmental parameters variation of river tide section river according to claim 1, feature exist
In the downstream tide volume control device by simulation salt water pond（6）, downstream water pump（8）, downstream flow meter（5）, downstream
Valve（4）With downstream water inlet pipe（7）It forms and passes through downstream water inlet pipe（7）It is sequentially connected, downstream water inlet pipe（7）Two ends point
Not with simulating salt water pond（6）, simulating riverway slot（10 downstream（1）Slot bottom bottom be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810154105.0A CN108166438A (en) | 2018-02-22 | 2018-02-22 | A kind of device for simulating the seawater environmental parameters variation of river tide section river |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810154105.0A CN108166438A (en) | 2018-02-22 | 2018-02-22 | A kind of device for simulating the seawater environmental parameters variation of river tide section river |
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| Publication Number | Publication Date |
|---|---|
| CN108166438A true CN108166438A (en) | 2018-06-15 |
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ID=62511491
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810154105.0A Withdrawn CN108166438A (en) | 2018-02-22 | 2018-02-22 | A kind of device for simulating the seawater environmental parameters variation of river tide section river |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108166438A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749415A (en) * | 2019-09-25 | 2020-02-04 | 河海大学 | Lateral undercurrent exchange experimental device for simulating bank fluctuation condition and use method |
| CN114088065A (en) * | 2021-10-22 | 2022-02-25 | 西安理工大学 | Device of runoff circulation injection mechanism and use method thereof |
| CN114814164A (en) * | 2022-04-06 | 2022-07-29 | 河海大学 | Device and method for simulating upstream invasion of coastal aquifer by seawater along river channel |
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|---|---|---|---|---|
| JPH0894488A (en) * | 1994-09-28 | 1996-04-12 | Mitsubishi Heavy Ind Ltd | Two layer flow tester |
| CN104264622A (en) * | 2014-09-26 | 2015-01-07 | 河海大学 | Device and method for imitating pollutant transport and upstream salty water of riverway with repeated tidal flow |
| CN104792494A (en) * | 2015-04-30 | 2015-07-22 | 珠江水利委员会珠江水利科学研究院 | Tank and method for multi-factor coupling simulation test based on dynamics of estuary and coastal |
| CN204982777U (en) * | 2015-05-28 | 2016-01-20 | 河海大学 | Reciprocal device that flows river course normal position bed mud resuspending of simulation |
| CN105865745A (en) * | 2016-03-28 | 2016-08-17 | 四川大学 | Stratified flow simulation test water channel system |
| CN107083760A (en) * | 2017-05-08 | 2017-08-22 | 天津大学 | River develops experimental provision |
-
2018
- 2018-02-22 CN CN201810154105.0A patent/CN108166438A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0894488A (en) * | 1994-09-28 | 1996-04-12 | Mitsubishi Heavy Ind Ltd | Two layer flow tester |
| CN104264622A (en) * | 2014-09-26 | 2015-01-07 | 河海大学 | Device and method for imitating pollutant transport and upstream salty water of riverway with repeated tidal flow |
| CN104792494A (en) * | 2015-04-30 | 2015-07-22 | 珠江水利委员会珠江水利科学研究院 | Tank and method for multi-factor coupling simulation test based on dynamics of estuary and coastal |
| CN204982777U (en) * | 2015-05-28 | 2016-01-20 | 河海大学 | Reciprocal device that flows river course normal position bed mud resuspending of simulation |
| CN105865745A (en) * | 2016-03-28 | 2016-08-17 | 四川大学 | Stratified flow simulation test water channel system |
| CN107083760A (en) * | 2017-05-08 | 2017-08-22 | 天津大学 | River develops experimental provision |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749415A (en) * | 2019-09-25 | 2020-02-04 | 河海大学 | Lateral undercurrent exchange experimental device for simulating bank fluctuation condition and use method |
| CN114088065A (en) * | 2021-10-22 | 2022-02-25 | 西安理工大学 | Device of runoff circulation injection mechanism and use method thereof |
| CN114088065B (en) * | 2021-10-22 | 2024-03-08 | 西安理工大学 | Device of runoff circulation injection mechanism and application method thereof |
| CN114814164A (en) * | 2022-04-06 | 2022-07-29 | 河海大学 | Device and method for simulating upstream invasion of coastal aquifer by seawater along river channel |
| CN114814164B (en) * | 2022-04-06 | 2023-03-14 | 河海大学 | Device and method for simulating upstream invasion of seawater into coastal aquifer along riverway |
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Application publication date: 20180615 |