CN206021749U - The demonstration equipment of salt wedge motion - Google Patents

The demonstration equipment of salt wedge motion Download PDF

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Publication number
CN206021749U
CN206021749U CN201620688967.8U CN201620688967U CN206021749U CN 206021749 U CN206021749 U CN 206021749U CN 201620688967 U CN201620688967 U CN 201620688967U CN 206021749 U CN206021749 U CN 206021749U
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CN
China
Prior art keywords
salt
area
transition region
fresh water
demonstration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201620688967.8U
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Chinese (zh)
Inventor
高时友
涂向阳
卢陈
杨留柱
何颖清
吴琼
刘霞
杨裕桂
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Pearl River Hydraulic Research Institute of PRWRC
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Pearl River Hydraulic Research Institute of PRWRC
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Priority to CN201620688967.8U priority Critical patent/CN206021749U/en
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Abstract

The utility model is related to the field of salt wedge motion, disclose the demonstration equipment of salt wedge motion, demonstration area including the fresh water area for storing fresh water, the salt pool for storing salt solution and for demonstrating salt wedge motion, the both sides in the demonstration area are formed with fresh water transition region and salt solution transition region towards external expansion;The fresh water area is connected with the fresh water transition region by first passage, and the salt pool is connected with the salt solution transition region by second channel, is inserted with the first flashboard that the cut-off demonstration area is connected with salt solution transition region between the salt solution transition region and demonstration area.Compared with prior art, the utility model is by fresh water area, salt pool and demonstration area through channel connection, during experimental demonstration, take out out the first flashboard, making salt solution be flowed into demonstration area, salt wedge motion being researched and analysed with the mixing situation of fresh water by observing salt solution in demonstration area, this demonstration equipment not only can intactly demonstrate the process of salt wedge motion, and equipment volume is less, very portable.

Description

The demonstration equipment of salt wedge motion
Technical field
The utility model is related to the field of salt wedge motion, especially the demonstration equipment of salt wedge motion.
Background technology
In Hekou District, the fresh water that comes from upstream is leaked into marine by Hekou District, and contains the seawater of certain salinity then with tide Trace back, then just there occurs mixing and the salt water encroachment problem of salt solution and fresh water.When in river course the runoff oncoming force is relatively strong tidal potential When power is weaker, fresh water occupy upper strata because force density is less and releases to marine, and the larger salt solution of force density is located at bottom simultaneously Trace back with tide and form salt wedge.
Salt wedge place of arrival not only directly affects the water intaking and draining of two sides city and industrial or agricultural, but also can affect The water quality of layer fresh water.Therefore, based on laboratory test and the data of prototype observation, research salt wedge length, form interface stable and Mixing is significant.
In prior art, the equipment volume for studying salt wedge motion is huge, and complex structure is not very portable, and needs sometimes Will in the wild field survey could statistics, be unfavorable for the demonstration of classroom instruction, be also unfavorable for laboratory research.
Utility model content
The purpose of this utility model is the demonstration equipment for providing salt wedge motion, it is intended to solve to study salt in prior art The equipment of water wedge motion is inconvenient to the problem for carrying.
The utility model is achieved in that the demonstration equipment of salt wedge motion, including storing fresh water area, the storage of fresh water The salt pool of salt solution and the demonstration area for demonstrating salt wedge motion, the both sides in the demonstration area are formed with fresh water towards external expansion Transition region and salt solution transition region;The fresh water area is connected with the fresh water transition region by first passage, and the salt pool leads to Cross second channel to connect with the salt solution transition region, between the salt solution transition region and demonstration area, be inserted with the cut-off demonstration area The first flashboard connected with salt solution transition region.
Further, the first energy dissipating filter is provided between the fresh water transition region and the demonstration area.
Further, the second energy dissipating filter, second energy dissipating are provided between the salt solution transition region and the demonstration area Filter is arranged parallel with first flashboard.
Further, along the salt solution transition region to the bearing of trend for demonstrating area, the second energy dissipating filter is arranged in institute State the front of the first flashboard.
Further, in the salt solution transition region, activity is inserted with and is arranged side by side and adjustable-height with first flashboard The second flashboard, first flashboard and the second flashboard be located at the both sides of the second channel respectively, and second flashboard is by institute State salt solution transition region and be divided into salt solution transition storage area and overflow area, the second channel connects the salt solution transition storage Area.
Further, the overflow area is connected with third channel, the third channel be connected with the fresh water in salt solution and The detached filter salt device of salt, is connected by product water channel between the filter salt device and the fresh water area, the filter salt device with The salt pool is by filtering salt passage connection.
Further, the product water channel is built in the filter salt passage.
Further, isolated by division board between the fresh water area and the salt pool, the product water channel is located in In the division board.
Further, the fresh water transition region and salt solution transition region are distributed in the both sides in the demonstration area, and described light Water transition region, demonstration area and salt solution transition region are linearly arranged.
Further, the first passage is respectively perpendicular to the fresh water area and fresh water transition region arrangement, and described the Two passages are respectively perpendicular to the salt pool and salt solution transition region arrangement.
Compared with prior art, the utility model provide salt wedge motion demonstration equipment, by fresh water area, salt pool with And the fresh water transition region that formed towards external expansion of both sides and salt solution transition region in demonstration area, through channel connection, fresh water is through first passage Enter fresh water transition region and then reach demonstration area, salt solution enters salt solution transition region through second channel, during experimental demonstration, takes out out cut-off The first flashboard that demonstration area is connected with salt solution transition region, makes the salt solution of salt solution transition region be flowed into demonstration area, by observing salt solution Salt wedge motion is researched and analysed with the mixing situation of fresh water in demonstration area, this demonstration equipment not only intactly can be demonstrated The process of salt wedge motion, and equipment volume is less, very portable.
Description of the drawings
The schematic diagram of the demonstration equipment of the salt wedge motion that Fig. 1 is provided for the utility model.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only in order to explaining The utility model, is not used to limit the utility model.
Realize being described in detail to of the present utility model below in conjunction with specific embodiment.
With reference to shown in Fig. 1, for the preferred embodiment that the utility model is provided.
The demonstration equipment of the salt wedge motion that the present embodiment is provided, is mainly used in class demonstration, and certainly, which is not with Class demonstration is shall be limited only to, laboratory research etc. can also be used in.
The demonstration equipment of the salt wedge motion that the utility model is provided, including storing fresh water area 12, the storage salt solution of fresh water Salt pool 13 and for demonstrate salt wedge motion demonstration area 11, demonstrate area 11 both sides be formed with fresh water mistake towards external expansion Cross area and salt solution transition region;Fresh water area 12 is connected with fresh water transition region by first passage 121, and salt pool 13 is logical by second Road 131 is connected with salt solution transition region, is inserted with cut-off demonstration area 11 and salt solution transition region between salt solution transition region and demonstration area 11 First flashboard 141 of connection.
The fresh water in fresh water area 12 enters into fresh water transition region through first passage 121, then enters into demonstration from fresh water transition region Area 11, the salt solution in salt pool 13 flow into salt solution transition region through second channel 131, due between salt solution transition region and demonstration area 11 The first flashboard 141 is provided with, connection of first flashboard 141 by salt solution transition region with demonstration area 11 separates, so salt solution is with regard to accumulation In salt solution transition region.During demonstration, developer can be added in salt pool 13, facilitate look at salt solution and demonstrating in area 11 Mixing and intrusion situation.
Carry out salt wedge motion lecture experiment when, take out open be interposed between salt solution transition region and demonstration area 11 between the first flashboard 141, the salt solution in salt solution transition region will be entered in demonstration area 11 without obstruction, in demonstration area 11 and mixing of fresh water, Salt wedge motion process is researched and analysed by observing mixing situation of the salt solution in fresh water, this demonstration equipment not only can be with complete The process of site preparation demonstration salt wedge motion, and volume is less, very portable, be conducive to class demonstration.
In the present embodiment, the both sides for demonstrating area 11 are formed with fresh water transition region and salt solution transition region, fresh water towards external expansion Transition region and salt solution transition region are distributed in the both sides in demonstration area 11, and, fresh water transition region, demonstration area 11 and salt solution transition Linearly arrange that the fresh water transition region of linearly arrangement, demonstration area 11 and salt solution transition region can truly simulate river in area Salt wedge motion on mouth, because in Hekou District, the fresh water that comes from upstream is leaked into marine by Hekou District, and contains certain salinity Seawater then trace back with tide, then just occur in that salt wedge motion phenomenon.
First passage 121 is respectively perpendicular to fresh water area 12 and fresh water transition region arrangement, second channel 131 is respectively perpendicular to Salt pool 13 and salt solution transition region arrangement, relative to horizontal arrangement, such structure arrangement is more beneficial for saving demonstration equipment Shared space;And, the fresh water area 12 of vertical configuration arrangement is connected with fresh water transition region, and salt pool 13 is connected with salt solution transition region Logical, when fresh water or salt solution enter transition region along vertical passage, current are very big in the impulse force of vertical direction, and demonstrate salt solution Wedge is moved, and current need the gentle mixing situation for entering and demonstrating that salt solution and fresh water could preferably be simulated by area 11, so, hang down Straight enter transition region current very big in the impulse force of vertical direction, relative, impulse force very little in the horizontal direction, so enter drill Show the impulsive force very little in area 11, so can preferably carry out lecture experiment.
As the flowing of current can produce certain impulse force, and impulse force is excessive will affect to demonstrate fresh water and salt solution in area 11 Mixing velocity so that salt wedge motion produce error, so as to affect salt wedge move experimental result, therefore, in fresh water mistake Cross and be provided with the first energy dissipating filter 111 between area and demonstration area 11, fresh water first pass through before entering demonstration area 11 first energy dissipating every Net 111 carries out energy dissipating so that area 11 is demonstrated in entrance that can be gentle through the fresh water of energy dissipating.
The second energy dissipating filter 112 is provided between salt solution transition region and demonstration area 11, the second entrance of energy dissipating filter 112 pairs is drilled Show that the salt solution in area 11 carries out energy dissipating process, by 141 parallel arrangement of the second energy dissipating filter 112 and the first flashboard so that the first flashboard After 141 take out out, the second energy dissipating dividing plate 112 can fully achieve the salt solution energy dissipating to entering demonstration area.
Due to taking out out the moment of the first flashboard 141, salt solution can quickly pour into demonstration area 11 due to losing suddenly obstruction, now Salt impact of water very big, in order to reduce test error, along salt solution transition region to demonstrate area 11 bearing of trend, in the first flashboard The second energy dissipating filter 112 is arranged in 141 front, and after the first flashboard 141 is taken out out, salt solution is provided with before flowing into demonstration area 11 Second energy dissipating filter 112, allows salt solution to enter back into demonstration area 11 after first passing through 112 energy dissipating of the second energy dissipating filter.
In salt solution transition region, activity is inserted with the second flashboard 142 being arranged side by side with the first flashboard 141, the second flashboard 142 is height-adjustable movable flashboard, and the first flashboard 141 and the second flashboard 142 are located at the both sides of second channel 131 respectively, And be to be arranged side by side, by the second flashboard 142 for arranging, salt solution transition region is divided into salt solution transition storage area 14 and overflow area 15, salt solution transition storage area 14 is connected with second channel 131, and salt solution enters salt solution transition storage area 14 through second channel 131.
Specifically, before the first flashboard 141 is not taken out out, if the salt hypervolia of salt solution transition storage area 14, Huo Zheshi The amount for needing to reduce salt wedge motion salt solution is tested, by reducing the height of the second flashboard 142 so that salt solution transition storage area 14 Along the upper along overflowing of the second flashboard 142, the salt solution of spilling enters overflow area 15 to salt solution;After the first flashboard 141 is taken out out, salt solution The salt solution of transition storage area 14 is communicated with demonstration area 11, at this moment, it is also possible to by adjust the second flashboard 142 highly controlling to drill Show the amount of fresh water and salt solution mixing in area 11.
Overflow area 15 is connected with third channel 151, and third channel 151 is connected with filter salt device 152, and filter salt device 152 is used In the fresh water in salt solution and salt is separated, connected by product water channel 154 between filter salt device 152 and fresh water area 12, filter salt dress Put 152 to connect by filtering salt passage 153 with salt pool 13, the salt solution of overflow area 15 enters filter salt device by third channel 151 152, through filtering the process of salt device 152 after, fresh water and salt solution are separated from each other, and respectively enter product water channel 154 and filter salt In passage 153, by 154 Liu Jin fresh water area 12 of product water channel, salt solution enters salt pool 13 through filtering salt passage 153 to fresh water, so as to The recovery of fresh water and salt solution is realized, can be recycled.
Product water channel 154 is built in filter salt passage 153 space that can effectively save pipe arrangement.
Isolated by division board 132 between fresh water area 12 and salt pool 13, by division board 132 by fresh water area 12 and salt Pool 13 separates, and the product water channel 154 for filtering salt device 152 is located in division board 132, as current flow meeting in the duct The vibrations of pipeline are driven, pipeline are located in division board 132, on the one hand can fix product water channel 154, reduce vibrations, On the other hand arrangement of the pipeline between fresh water area 12 and salt pool 13, save space can also be reduced.
In the present embodiment, in first passage 121, second channel 131 and third channel 151, impeller 16 is both provided with, By the impeller 16 in first passage 121, the fresh water in fresh water area 12 is pushed to fresh water transition region;By second channel 131 The salt solution in salt pool 13 is pushed to salt solution transition region by interior impeller 16;By the impeller 16 in third channel 151, will The salt solution or saline mixture of overflow area 15 is pushed in filter salt device 152.
Preferred embodiment of the present utility model is the foregoing is only, not in order to limit the utility model, all at this Any modification, equivalent and improvement that is made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. salt wedge motion demonstration equipment, it is characterised in that including store fresh water fresh water area, storage salt solution salt pool with And for demonstrating the demonstration area of salt wedge motion, the both sides in the demonstration area are formed with fresh water transition region and salt solution towards external expansion Transition region;The fresh water area is connected with the fresh water transition region by first passage, and the salt pool is by second channel and institute The connection of salt solution transition region is stated, and the cut-off demonstration area is inserted between the salt solution transition region and demonstration area and is connected with salt solution transition region The first logical flashboard.
2. the demonstration equipment that salt wedge as claimed in claim 1 is moved, it is characterised in that the fresh water transition region is drilled with described Show.
3. the demonstration equipment that salt wedge as claimed in claim 1 is moved, it is characterised in that the salt solution transition region is drilled with described Show, the second energy dissipating filter is arranged parallel with first flashboard.
4. the demonstration equipment that salt wedge as claimed in claim 3 is moved, it is characterised in that along the salt solution transition region to demonstration The bearing of trend in area, the second energy dissipating filter are arranged in the front of first flashboard.
5. the demonstration equipment that the salt wedge as described in any one of Claims 1-4 is moved, it is characterised in that the salt solution transition In area, activity is inserted with, first flashboard and second Flashboard is located at the both sides of the second channel respectively, and the salt solution transition region is divided into salt solution transition storage by second flashboard Area and overflow area, the second channel connect the salt solution transition storage area.
6. the demonstration equipment that salt wedge as claimed in claim 5 is moved, it is characterised in that the overflow area is connected with threeway Road, the third channel are connected with detached for the fresh water and salt in salt solution filter salt device, the filter salt device and the fresh water Connected by product water channel between area, the filter salt device is connected by filtering salt passage with the salt pool.
7. the demonstration equipment that salt wedge as claimed in claim 6 is moved, it is characterised in that the product water channel is built in described In filter salt passage.
8. the demonstration equipment that salt wedge as claimed in claim 7 is moved, it is characterised in that the fresh water area and the salt pool Between isolated by division board, the product water channel is located in the division board.
9. the demonstration equipment that salt wedge as claimed in claim 1 is moved, it is characterised in that the fresh water transition region and salt solution Transition region is distributed in the both sides in the demonstration area, and the fresh water transition region, demonstration area and the linearly cloth of salt solution transition region Put.
10. the demonstration equipment that salt wedge as claimed in claim 9 is moved, it is characterised in that the first passage is respectively perpendicular Arrange that the second channel is respectively perpendicular to the salt pool and the salt solution mistake in the fresh water area and the fresh water transition region Cross area's arrangement.
CN201620688967.8U 2016-06-30 2016-06-30 The demonstration equipment of salt wedge motion Expired - Fee Related CN206021749U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620688967.8U CN206021749U (en) 2016-06-30 2016-06-30 The demonstration equipment of salt wedge motion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620688967.8U CN206021749U (en) 2016-06-30 2016-06-30 The demonstration equipment of salt wedge motion

Publications (1)

Publication Number Publication Date
CN206021749U true CN206021749U (en) 2017-03-15

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CN201620688967.8U Expired - Fee Related CN206021749U (en) 2016-06-30 2016-06-30 The demonstration equipment of salt wedge motion

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106228885A (en) * 2016-06-30 2016-12-14 珠江水利委员会珠江水利科学研究院 The demonstration equipment of salt wedge motion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106228885A (en) * 2016-06-30 2016-12-14 珠江水利委员会珠江水利科学研究院 The demonstration equipment of salt wedge motion

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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: 20170315

Termination date: 20170630

CF01 Termination of patent right due to non-payment of annual fee