CN106370803B - A kind of interior phreatic zone local ground watering generates the circulatory system and operating method - Google Patents
A kind of interior phreatic zone local ground watering generates the circulatory system and operating method Download PDFInfo
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- CN106370803B CN106370803B CN201610779356.9A CN201610779356A CN106370803B CN 106370803 B CN106370803 B CN 106370803B CN 201610779356 A CN201610779356 A CN 201610779356A CN 106370803 B CN106370803 B CN 106370803B
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Abstract
The invention discloses a kind of indoor phreatic zone local ground waterings to generate the circulatory system and operating method, the system includes sink, the sink is connect with water system, inlet and outlet are equipped in sink, circulating water pipe is connect with inlet and outlet, it is equipped with the first glass rotameter successively on circulating water pipe, first water check valve, first centrifugal pump, poly (methyl methacrylate) plate with holes is equipped on the bottom surface between inlet and outlet in sink, filter screen is equipped on poly (methyl methacrylate) plate with holes, sand is covered on filter screen, it is equipped with water pipe in sink bottom surface, water pipe is connect with the first water tank, it is equipped with the second water check valve successively on water pipe, second glass rotameter and the first peristaltic pump.A kind of indoor phreatic zone local ground watering of the present invention generates the circulatory system, realizes the various complicated interactions simulated in natural river between overlying water and underground water, utilizes cleverly physical principle, its is easy to operate, cheap, performance is stablized, easy to use.
Description
Technical field
The present invention relates to indoor phreatic zone local ground waterings to generate the circulatory system and operating method, belongs to simulation river undercurrent
Band field.
Background technology
With the development of China's economic, river pollution is increasingly severe, when have the accident of river pollution.Pollutant
Migration and home to return to will directly affect the ecological environment and people's health safety in river.Surface water and groundwater interacts to river
The condition of changing biologically of environment generates vital influence, and there are many more the matter energy Transport And Transformations of overlying water and phreatic zone
Problem is not yet clear, needs further to further investigate.River water and riverbed, riverbank hole water coke slurry are an important processes, it
Largely affect the home to return to of pollutant in river system.Therefore rule are migrated in order to disclose pollutant and colloid in river
Rule and undercurrent exchange the influence migrated in river to pollutant and colloid, it is necessary to study undercurrent exchange the mechanism generated and
Mode and different condition subsurface flow exchange the influence to contaminant transportation.
Research of the domestic scholars for phreatic zone and overlying water interaction at present, the main side using circulating water chennel experiment
Method.But domestic most of circulating water chennels at present simulate the flowing of pore water by controlling the gradient of sink, and have ignored by
The influence that base flow exchanges undercurrent caused by relationship of the groundwater level with river level, although operation is easy in this way,
It is that controllability is poor, and is not inconsistent with the motion conditions of nature river phreatic zone pore water, the reasonability of experimental result
It is difficult to ensure.
Invention content
Goal of the invention：It is existing to control the flowing of phreatic zone pore water by adjusting the sink gradient, it is unable to quantitative
Drilling gap water flow velocity, and have ignored since groundwater level exchanges shadow with base flow caused by the relationship of river level to undercurrent
Loud deficiency, in order to overcome the deficiencies in the prior art, the present invention to provide a kind of indoor phreatic zone local ground watering generation
The circulatory system and operating method realize the various complicated phase interactions simulated in natural river between overlying water and underground water
With easy to operate using cleverly physical principle, cheap, performance is stablized, easy to use.
Technical solution：To achieve the above object, indoor phreatic zone local ground watering of the invention generates the circulatory system, including
Sink, the sink are connect with water system, and inlet and outlet, circulating water pipe and water inlet and water outlet are equipped in sink
Mouth connection, is equipped with the first glass rotameter, the first water check valve, the first centrifugal pump, in sink position successively on circulating water pipe
Bottom surface between inlet and outlet is equipped with poly (methyl methacrylate) plate with holes, and filter screen is equipped on poly (methyl methacrylate) plate with holes,
It is covered with sand on filter screen, is equipped with water pipe in sink bottom surface, water pipe connect with the first water tank, stops successively equipped with second on water pipe
Water valve, the second glass rotameter and the first peristaltic pump, in the side wall of sink be equipped with several thieff hatch, using hole with adopt
Sampling device connects, and is externally provided with photographic system in sink, photographic system is connect with computer.It draws water or absorbs water by the second peristaltic pump,
Overlying water or overlying water recharge of groundwater can be supplemented with simulated groundwater, and then probe into the presence of base flow to undercurrent exchange process
It influences, more really reduces the undercurrent exchange process in nature.
Preferably, the water system includes the second water tank, second water tank enters water by water inlet pipe and sink
Mouth connection, is equipped with the second centrifugal pump, flow control valve and electromagnetic flowmeter successively on water inlet pipe.
Preferably, the first honeycomb screen and the second honeycomb screen are equipped between the water inlet and water inlet successively.
Preferably, the circulating water pipe is connect close to one end of water outlet with solution conduit, solution conduit and liquor box
Connection is equipped with the second peristaltic pump in solution conduit.
Preferably, being equipped with Water Level Regulating System on the sink.
There are the stay bolt and the mating nut of stay bolt, T of turntable preferably, the Water Level Regulating System includes top
Font casing, rubber ring and poly (methyl methacrylate) plate with holes, the stay bolt pass through sink top, stay bolt that can turn in sink top
Dynamic, the nut is mounted on poly (methyl methacrylate) plate with holes, and poly (methyl methacrylate) plate with holes is located at T-shaped cannula tip, T-shaped set tube top
Portion is sleeved on outlet conduit, several rubber rings are equipped between T-shaped casing and outlet conduit, and outlet conduit is inserted into the second water
In case.
Preferably, the water inlet is equipped with the rectangular hermetic container of poly (methyl methacrylate) plate with holes composition, with holes organic
It is cased with filter screen outside glass plate, the plastic tube being connect with circulating water pipe is equipped in rectangular hermetic container, on the plastic tube equidistantly
Three horizontal tubules are installed.
Preferably, the sampling system includes outlet pipe, rubber hose and third water check valve, the outlet pipe is inserted into
In thief hole, when to hole water sampling, rubber hose is directed at sampling bottle, opens third water check valve, pore water is in inverted-siphon
The lower outflow of effect, after picking up a certain amount of hole water sample, closes third water check valve.
A kind of above-mentioned indoor phreatic zone local ground watering generates the operating method of the circulatory system, includes the following steps：
A, the deionized water of required amount is added in the second water tank, opens the second centrifugal pump, and slowly open flow
Regulating valve rotates the turntable of Water Level Regulating System, enables the top of T-shaped casing be flushed with required water level, waits for flow stream in sink
After state is steady, the second centrifugal pump is closed；
B, the first centrifugal pump and the first water check valve are opened, and the first glass rotameter is adjusted to maximum stream flow, is recycled
After flow operates steadily in water pipe, the first water check valve is first closed, turns off the first centrifugal pump；
C, the silt of wash clean is packed into sink, first dress water, which refills sand, to influence to test to avoid sand bed there are bubble,
When sand is attached to scheduled height, sink side wall is patted, husky slowly sedimentation is made to stop patting when sand does not continue to sedimentation, and
It according to the bed ripples shape of sink transparent side wall external application carbon pen mark, manufactures plate with bed ripples and prepares bed ripples, which is with having
Made of machine glass, multiple rows of aperture is opened on bed ripples plate, can be discharged and be choked water what manufacture bed ripples process generated, this can reduce
The ripples generated in bed ripples manufacturing process are dynamic to having made the destruction of bed ripples and having prevented bubble from entering sand bed；
D, the second centrifugal pump is opened, then slowly opens flow control valve, and flow-rate adjustment is adjusted according to electromagnetic flowmeter
Valve reaches required flow, corrects water level, and adjustment Water Level Regulating System makes the water level in sink reach predetermined water level,
And ensureing that the depth of water of sink each section is identical, the water when purpose of first turn on pump valve opening again is anti-stopping valve in sink is arranged from water inlet
Go out, destroys bed ripples；
E, the first centrifugal pump is opened, the first water check valve is slowly opened, recirculated water is adjusted by the first glass rotameter
Cycle is calculated in required flow, cross-sectional area and required hole water flow velocity of the required flow according to sand bed in pipe
Required flow in water pipe；
F, it is packed into a certain amount of deionized water in the first water tank, the first peristaltic pump and the second water check valve are opened, according to reality
It tests purpose selection water delivery or draws water, and flow is adjusted to by predetermined amount of flow by the second glass rotameter, simulate base flow pair
The influence of pore water；
G, after the water flow stationary in sink and circulating water pipe, tracer is added in the second water tank, when tracer is added
It is noted that the speed being added, ensures that a cycle period in sink adds, and can ensure tracer in sink so as possible
It is evenly distributed, ensures the reasonability of experimental result；
H, camera is fixed on tripod, and is placed in about two meters before sink of position, move horizontally tripod, when
Until being clear that in the middle part of sink in view finder of camera, camera is connected on computer, opens camera control software, if
It is 30 seconds to set interval time of taking pictures.
I, the sampling of pore water is realized by controlling the water check valve on the plastic tube being fixed in thief hole, is sampled
When, third water check valve is slowly opened, pore water flowed out under the action of inverted-siphon by rubber hose, and by hole water sample
It is stored in the vial of sealing；
J, it will calculate proportioned solution when to overlying water pollution influence at simulated groundwater pollution sources and be added to solution
In case, after sink operates steadily, the second peristaltic pump of control liquor box is opened, so that solution is entered circulating water pipe, and then enter
Sand bed is sampled the water in sink.
Advantageous effect：The present invention's is provided with groundwater circle system and base flow simulation system, can be by adjusting glass
Spinner flowmeter quantitatively controls to adjust the flow velocity of sand bed pore water, more really simulates in natural river phreatic zone
The flowing of pore water and influence to overlying water, can achieve the effect that flexibly to control hole water flow velocity, flow, latent to solve
Stream band problem provides reliable technical support, has the following advantages compared with prior art：
(1) present invention utilizes simple physical principle, exquisite to devise cheap and efficiently test circulating water chennel,
It is simple in structure, cheap, dependable performance.
(2) present invention makes full use of the sink circulatory system and each component of groundwater circle system principle, reasonable Arrangement, occupancy
Space is small, simple in structure easy to operate.
(3) present invention is provided with groundwater circle system, more reasonably simulates the flowing of phreatic zone pore water, more
Add the true Complex Flows for having reacted river phreatic zone pore water.
(4) present invention in the inlet segment of groundwater circle system by being arranged poly (methyl methacrylate) plate with holes, strainer and with holes
Tubule can not only be intake with sediment trapping, also so that becoming a mandarin more steadily, ensure that experimentation is closer to the truth.
(5) present invention realizes simulated groundwater as pollution sources by the external liquor box on groundwater circle system
Influence to overlying water has important meaning for research phreatic zone to the effect of overlying water.
(6) present invention can be probed by the way that base flow simulation system is arranged due between river overlying water and groundwater level
Relationship caused by influence of the base flow to undercurrent exchange process, be more in line with the phase between river water and underground water in nature
Interaction.
(7) present invention is provided with sampling system, is sampled by microsyringe compared with traditional, simpler reliable, no
Can there is a phenomenon where syringe needles to block, and cost is lower, is conducive to cost-effective.
(8) by the way that Water Level Regulating System is arranged in sink water exit end, the turntable on rotating bolt can obtain not the present invention
With the water level of position so that the simpler convenience of experimental implementation.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is sampling system detail structure schematic diagram in the present invention.
Fig. 3 is groundwater circle system inlet segment side detail structure schematic diagram in the present invention.
Fig. 4 is Water Level Regulating System detail structure schematic diagram of the present invention.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, indoor phreatic zone local ground watering of the invention generates the circulatory system, including sink, described
Sink is connect with water system, and water inlet 3 and water outlet 5 are equipped in sink, and circulating water pipe connects with water inlet 3 and water outlet 5
It connects, the first glass rotameter 17, the first water check valve 16, the first centrifugal pump 15 is equipped with successively on circulating water pipe, in sink
Bottom surface between water inlet 3 and water outlet 5 is equipped with poly (methyl methacrylate) plate 21 with holes, is equipped on poly (methyl methacrylate) plate 21 with holes
Filter screen is covered with sand on filter screen, is equipped with water pipe in sink bottom surface, water pipe is connect with the first water tank 25, on water pipe successively
Equipped with the second water check valve 22, the second glass rotameter 23 and the first peristaltic pump 24, several are equipped in the side wall of sink
Thieff hatch 4 is connect using hole with sampling apparatus, is externally provided with photographic system in sink, photographic system is connect with computer.In the first water
It is packed into a certain amount of deionized water in case 25, opens the first peristaltic pump 24 and the second water check valve 22, is selected according to experiment purpose defeated
Water draws water, and flow is adjusted to predetermined amount of flow, shadow of the simulation base flow to pore water by the second glass rotameter 23
It rings.
In the present invention, the water system includes the second water tank 11, and second water tank 11 passes through water inlet pipe and sink
Water inlet connection, on water inlet pipe successively be equipped with the second centrifugal pump 12, flow control valve 13 and electromagnetic flowmeter 14, it is described enter
The first honeycomb screen 1 and the second honeycomb screen 2 are equipped between the mouth of a river and water inlet 3 successively.
In the present invention, the circulating water pipe is connect close to one end of water outlet 5 with solution conduit, solution conduit and solution
Case 20 connects, and the second peristaltic pump 19 and the 4th water check valve 18 are equipped in solution conduit.In simulated groundwater pollution sources to overlying
When the influence of water pollution, proportioned solution will be calculated and be added in liquor box 20, after sink operates steadily, it is molten to open control
Second peristaltic pump 19 of liquid case 20 makes solution enter circulating water pipe, and then enters sand bed, is sampled to the water in sink.It can
To simulate influence of the bed mud in river as pollution sources to overlying water pollution, and liquor box 20 be arranged in ground under circulation water pipe from
Before heart pump, the benefit being arranged in this way is that pore water and solution can be made to be sufficiently mixed in pump.
In the present invention, Water Level Regulating System is installed, the Water Level Regulating System has comprising top to be turned on the sink
The stay bolt 7 of disk 6 and the mating nut of stay bolt, T-shaped casing 9, rubber ring 8 and poly (methyl methacrylate) plate with holes, with holes has
Machine glass plate material identical with poly (methyl methacrylate) plate 21 with holes is made, and the stay bolt 7 passes through sink top, stay bolt 7 can be
Sink top rotates, and the nut is mounted on poly (methyl methacrylate) plate with holes, and poly (methyl methacrylate) plate with holes is located at the top of T-shaped casing 9
Portion, 9 top of T-shaped casing are sleeved on outlet conduit 10, several rubber rings are equipped between T-shaped casing 9 and outlet conduit 10
8, outlet conduit 10 is inserted into the second water tank 11,8 circular in cross-section of the rubber ring, and is fixed on 9 outer wall of T-shaped casing
Card slot in, fitted closely with 10 inner wall of sink outlet conduit, by rotate stay bolt moved down on T-shaped casing 9 to drive
It is dynamic.
In the present invention, it is equipped with the rectangular hermetic container of poly (methyl methacrylate) plate with holes composition at the water inlet 3, has with holes
It is cased with two layers of filter screen outside machine glass plate, the purpose is to sediment trappings, but water can pass through, and such setting is equivalent to rectification
Grid so that the flow for entering gap is more steady, and the plastic tube 26 being connect with circulating water pipe is equipped in rectangular hermetic container, is being moulded
Three horizontal tubules 27 are installed at equal intervals in expects pipe 26.River environment can be further simulated, inlet and outlet 5 are pushed up
Portion seals, and flow surface is made of poly (methyl methacrylate) plate with holes, and covers with two layers of strainer respectively on its two sides, and the purpose is to block
Sand, but water can pass through, and such setting is equivalent to honeycomb screen so that and the flow for entering gap is more steady.It is intaking
A piece vertical plastic tube 26 is set at mouth 3, and three horizontal tubules 27 are equally spacedly installed on it, direction is perpendicular to sink
Wall, for 27 tube wall of horizontal tubule there are many apopore, the benefit being arranged in this way is that convenient for mixing, and can have with multi dimensional diffusion
It is quickly converted to planar flowing conducive to by the Three-dimensional Flow of flow
In the present invention, the sampling system includes outlet pipe 30, rubber hose 32 and third water check valve 31, the water outlet
Pipe 30 is inserted into thief hole, when to hole water sampling, rubber hose 32 is directed at sampling bottle, opens third water check valve 31, hole
Gap water flows out under the action of inverted-siphon, after picking up a certain amount of hole water sample, closes third water check valve 31.Wherein, holder
It is that the upper following of sink is fixed on by nut 28 and 29, strainer is coverd on 30 both sides of outlet pipe, and water inlet is inserted into screw clamp side
In the sample tap 4 of wall, glass cement is used in combination to seal.Sampling system carries out the sampling of pore water by inverted-siphon principle, compared with biography
System is sampled by microsyringe, simpler reliable, will not there is a phenomenon where syringe needles to block, and cost is lower, favorably
In cost-effective.
In the present invention, red as tracer using luring, tracer undercurrent exchange process, temptation is red to be can be very good and dirt
It contaminates object to combine, while not interfering with conductivity again, and is bright-colored, coordinate camera system, can clearly show undercurrent friendship
Process is changed, it is made more to visualize.
A kind of above-mentioned indoor phreatic zone local ground watering generates the operating method of the circulatory system, includes the following steps：
A, the deionized water of required amount is added in the second water tank 11, opens the second centrifugal pump, and slowly open stream
Adjustable valve 13 rotates the turntable 6 of Water Level Regulating System, enables the top of T-shaped casing 9 be flushed with required water level, waits in sink
After flow-shape is steady, the second centrifugal pump 12 is closed；
B, the first centrifugal pump 15 and the first water check valve 16 are opened, and the first glass rotameter 17 is adjusted to max-flow
It measures, after flow operates steadily in circulating water pipe, first closes the first water check valve 16, turn off the first centrifugal pump 15；
C, the silt of wash clean is packed into sink, first dress water, which refills sand, to influence to test to avoid sand bed there are bubble,
When sand is attached to scheduled height, sink side wall is patted, husky slowly sedimentation is made to stop patting when sand does not continue to sedimentation, and
It according to the bed ripples shape of sink transparent side wall external application carbon pen mark, manufactures plate with bed ripples and prepares bed ripples, which is with having
Made of machine glass, multiple rows of aperture is opened on bed ripples plate, can be discharged and be choked water what manufacture bed ripples process generated, this can reduce
The ripples generated in bed ripples manufacturing process are dynamic to having made the destruction of bed ripples and having prevented bubble from entering sand bed；
D, the second centrifugal pump 12 is opened, then slowly opens flow control valve 13, and adjust and flow according to electromagnetic flowmeter 14
Adjustable valve 13 reaches required flow, corrects water level, and adjustment Water Level Regulating System makes the water level in sink reach pre-
Determine water level, and ensure that the depth of water of sink each section is identical, the water when purpose of first turn on pump valve opening again is anti-stopping valve in sink from
Water inlet is discharged, and destroys bed ripples；
E, the first centrifugal pump 15 is opened, the first water check valve 16 is slowly opened, is adjusted by the first glass rotameter 17
Required flow in circulating water pipe, cross-sectional area and required hole water flow velocity of the required flow according to sand bed, calculates
To required flow in circulating water pipe；
F, it is packed into a certain amount of deionized water in the first water tank 25, opens the first peristaltic pump 24 and the second water check valve 22,
Water delivery is selected according to experiment purpose or is drawn water, and flow is adjusted to by predetermined amount of flow, mould by the second glass rotameter 23
Quasi- influence of the base flow to pore water；
G, after the water flow stationary in sink and circulating water pipe, tracer is added in the second water tank 11, tracer is added
When it is noted that be added speed, ensure that a cycle period in sink adds, and can ensure tracer in sink so as possible
It is inside evenly distributed, ensures the reasonability of experimental result；
H, camera is fixed on tripod, and is placed in about two meters before sink of position, move horizontally tripod, when
Until being clear that in the middle part of sink in view finder of camera, camera is connected on computer, opens camera control software, if
It is 30 seconds to set interval time of taking pictures.
I, the sampling of pore water is realized by controlling the water check valve on the plastic tube being fixed in thief hole, is sampled
When, third water check valve 31 is slowly opened, pore water is flowed out under the action of inverted-siphon by rubber hose 32, and by pore water
Sample storage is in the vial of sealing；
J, it will calculate proportioned solution when to overlying water pollution influence at simulated groundwater pollution sources and be added to solution
In case 20, after sink operates steadily, the second peristaltic pump 19 of control liquor box 20 is opened, solution is made to enter circulating water pipe, into
And enter sand bed, the water in sink is sampled.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of interior phreatic zone local ground watering generates the circulatory system, it is characterised in that：Including sink, the sink and water supply
System connects, and inlet and outlet is equipped in sink, circulating water pipe is connect with inlet and outlet, on circulating water pipe
It is equipped with the first glass rotameter, the first water check valve, the first centrifugal pump successively, in sink between inlet and outlet
Bottom surface be equipped with poly (methyl methacrylate) plate with holes, filter screen is equipped on poly (methyl methacrylate) plate with holes, sand is covered on filter screen, in water
Groove bottom is equipped with water pipe, and water pipe is connect with the first water tank, is equipped with the second water check valve, the second glass rotors flow successively on water pipe
Meter and the first peristaltic pump are equipped with several thieff hatch in the side wall of sink, and thieff hatch is connect with sampling apparatus, in sink peripheral hardware
There are photographic system, photographic system to be connect with computer；The water system includes the second water tank, and second water tank passes through water inlet pipe
It is connect with the water inlet of sink, is equipped with the second centrifugal pump, flow control valve and electromagnetic flowmeter successively on water inlet pipe；It is described enter
The first honeycomb screen and the second honeycomb screen are equipped between the mouth of a river and water inlet successively；The circulating water pipe close to one end of water outlet with
Solution conduit connects, and solution conduit is connect with liquor box, and the second peristaltic pump is equipped in solution conduit.
2. interior phreatic zone local ground watering according to claim 1 generates the circulatory system, it is characterised in that：The sink
On Water Level Regulating System is installed.
3. interior phreatic zone local ground watering according to claim 2 generates the circulatory system, it is characterised in that：The water level
Regulating system, which includes top, the stay bolt of turntable, the nut mating with stay bolt, T-shaped casing, rubber ring and with holes organic
Glass plate, the stay bolt pass through sink top, stay bolt that can be rotated in sink top, and the nut is mounted on organic glass with holes
In glass plate, poly (methyl methacrylate) plate with holes is located at T-shaped cannula tip, and T-shaped cannula tip is sleeved on outlet conduit, T-shaped casing
Several rubber rings are equipped between outlet conduit, outlet conduit is inserted into the second water tank.
4. interior phreatic zone local ground watering according to claim 3 generates the circulatory system, it is characterised in that：The water inlet
It is equipped with the rectangular hermetic container of poly (methyl methacrylate) plate with holes composition at mouthful, filter screen is cased with outside poly (methyl methacrylate) plate with holes, in rectangle
Sealing container is equipped with the plastic tube being connect with circulating water pipe, is equipped with three horizontal tubules at equal intervals on the plastic tube.
5. interior phreatic zone local ground watering according to claim 4 generates the circulatory system, it is characterised in that：Further include taking
Sample system, the sampling system include outlet pipe, rubber hose and third water check valve, and the outlet pipe is inserted into thieff hatch,
When to hole water sampling, rubber hose is directed at sampling bottle, opens third water check valve, pore water flows under the action of inverted-siphon
Go out, after picking up a certain amount of hole water sample, closes third water check valve.
6. a kind of indoor phreatic zone local ground watering as claimed in claim 5 generates the operating method of the circulatory system, feature
It is, includes the following steps：
A, the deionized water of required amount is added in the second water tank, opens the second centrifugal pump, and slowly open flow-rate adjustment
Valve rotates the turntable of Water Level Regulating System, and the top of T-shaped casing is enabled to be flushed with required water level, waits for that flow-shape is flat in sink
After steady, the second centrifugal pump is closed；
B, the first centrifugal pump and the first water check valve are opened, and the first glass rotameter is adjusted to maximum stream flow, circulating water pipe
After middle flow operates steadily, the first water check valve is first closed, turns off the first centrifugal pump；
C, the silt of wash clean is packed into sink, when sand is attached to scheduled height, pats sink side wall, it is husky slowly heavy to make
Drop stops patting when sand does not continue to sedimentation, and according to the bed ripples shape of the transparent side wall external application carbon pen mark of sink, uses
Bed ripples manufacture plate prepares bed ripples, and multiple rows of aperture is opened on bed ripples plate, can be discharged and be choked water what manufacture bed ripples process generated；
D, the second centrifugal pump is opened, flow control valve is then slowly opened, and flow control valve is adjusted according to electromagnetic flowmeter, makes
It reaches required flow, corrects water level, adjustment Water Level Regulating System makes the water level in sink reach predetermined water level, and ensures
The depth of water of sink each section is identical；
E, the first centrifugal pump is opened, the first water check valve is slowly opened, is adjusted in circulating water pipe by the first glass rotameter
Required flow；
F, it is packed into a certain amount of deionized water in the first water tank, opens the first peristaltic pump and the second water check valve, according to experiment mesh
Selection water delivery or draw water, and flow is adjusted to by predetermined amount of flow by the second glass rotameter, simulation base flow is to hole
The influence of water；
G, after the water flow stationary in sink and circulating water pipe, tracer is added in the first water tank；
H, sink is shot using photographic system, is divided between photo opporunity 30 seconds, photographic system is connect with computer；
I, third water check valve is slowly opened, pore water flowed out under the action of inverted-siphon by rubber hose, and by hole water sample
Product are stored in the vial of sealing；
J, it will calculate proportioned solution when to overlying water pollution influence at simulated groundwater pollution sources and be added to liquor box
In, after sink operates steadily, the second peristaltic pump of control liquor box is opened, solution is made to enter circulating water pipe, and then is entered husky
Bed, is sampled the water in sink.
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| CN201610779356.9A CN106370803B (en) | 2016-08-30 | 2016-08-30 | A kind of interior phreatic zone local ground watering generates the circulatory system and operating method |
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| CN201610779356.9A CN106370803B (en) | 2016-08-30 | 2016-08-30 | A kind of interior phreatic zone local ground watering generates the circulatory system and operating method |
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| CN108152450A (en) * | 2017-11-17 | 2018-06-12 | 河海大学 | Simulate the device and its application method of seashore reservoir pollution object migration |
| CN108760980A (en) * | 2018-04-27 | 2018-11-06 | 河海大学 | It is a kind of to simulate the experimental provision and its implementation that river oxygen transports |
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