CN106957125A - A kind of heavy metal pollution underground water in situ remediation system - Google Patents
A kind of heavy metal pollution underground water in situ remediation system Download PDFInfo
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- CN106957125A CN106957125A CN201710248127.9A CN201710248127A CN106957125A CN 106957125 A CN106957125 A CN 106957125A CN 201710248127 A CN201710248127 A CN 201710248127A CN 106957125 A CN106957125 A CN 106957125A
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- resin reaction
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- electrodialysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of heavy metal pollution underground water in situ remediation system, including the immersible pump for extracting underground water out, filter, reactor, resin reaction wall and electrodialysis case, electrodialysis case is located above reactor, resin reaction wall is fed through reactor and electrodialysis case and is slidably connected to reactor and electrodialysis case, resin reaction wall is provided with the drive mechanism for being used for driving resin reaction wall to slide, every piece of the correspondence resin reaction wall both sides side is equipped with anion and cation exchange membrane in electrodialysis case, resin reaction wall both sides are provided with the anode plate and cathode plate being located in electrodialysis case, the power supply for being used for supplying electricity to anode plate and cathode plate is provided with electrodialysis case.Underground water is extracted by immersible pump, is entered after filter removes silt in reactor.Underground water is after resin reaction wall, and the nitrate in underground water is fallen in the absorption of resin reaction wall, so that underground water is repaired, the underground water outflow reactor after being processed returns to underground, completes to administer.
Description
Technical field
The present invention relates to underwater prevention, and in particular to a kind of heavy metal pollution underground water in situ remediation system.
Background technology
Underground water is one of important freshwater resources, and it plays irreplaceable work in human lives and production process
With being the solid foundation of human survival and social development.However, in recent years with industrial expansion, increasing chemical industry has
The decent various approach of the poisonous and harmful substance such as machine and heavy metal enter ground water regime, pollute underground water for the survival of mankind
Resource, therefore the repairing and treating technology of underground water has enjoyed attracting attention for domestic and international researcher.
At present, domestic and international the most frequently used heavy metal pollution groundwater remediation technology mainly has：Showering technology and original position
The major class of recovery technique two.Wherein in-situ immobilization includes physical-chemical process, bioanalysis, chemical method and permeable reactive wall technology.
Such as the patent that notification number is CN203582635U, a kind of novel tubulation type funnel-door infiltration which disclose anti-
Wall system is answered, described novel tubulation type funnel-door permeating reaction wall system includes multiple infiltration loading pipes, and described infiltration is filled out
Expects pipe is by series or in parallel or connect in the way of the two all has.Filling reactive materials inside loading pipe are permeated, by inhaling
The mechanism such as attached, degraded or chemical reaction is repaired to the pollutant in underground water.
Conventional irony, to take out the nitrate in underground water, carrys out treating groundwater as reactive materials at present.But iron
Matter and nitrate reaction can produce accessory substance ammonia nitrogen, and easily caking, has a strong impact on treatment effect.
The content of the invention
In view of the shortcomings of the prior art, repaiied it is an object of the invention to provide a kind of heavy metal pollution underground water original position
Multiple governing system, will not lump, it is ensured that treatment effeciency in processing procedure.
To achieve the above object, the invention provides following technical scheme：
A kind of heavy metal pollution underground water in situ remediation system, including for extracting the immersible pump of underground water out, for removing
Filter, reactor, the resin reaction wall for adsorbing nitrate and the electrodialysis case for regenerating resin of silt, the electricity
Dialysis case is located above reactor, and the resin reaction wall is provided with some pieces along water (flow) direction, and the resin reaction wall is fed through
Reactor and electrodialysis case and reactor and electrodialysis case are vertically slidably connected to, the resin reaction wall is provided with using
Every piece of the correspondence resin reaction wall both sides side is equal in the drive mechanism slided in driving resin reaction wall, the electrodialysis case
Provided with anion and cation exchange membrane, the resin reaction wall both sides are provided with the anode plate and cathode plate being located in electrodialysis case, described
Being provided with electrodialysis case is used to supply electricity to be provided with electrolyte in electrodialysis case described in the power supply of anode plate and cathode plate；When the tree
When fat reaction wall is located in reactor, the power cut-off；When the resin reaction wall is located at electrodialysis case, the power supply is powered
To anode plate and cathode plate.
By using above-mentioned technical proposal, underground water is extracted by immersible pump, is entered after filter removes silt anti-
Answer in device.Underground water is after resin reaction wall, and the nitrate in underground water is fallen in the absorption of resin reaction wall, so that underground water quilt
Repair, the underground water outflow reactor after being processed returns to underground.
When resin reaction wall saturation, it is impossible to when adsorbing nitrate again, drive mechanism driving resin reaction wall is moved up, electricity
Source connects anode plate and cathode plate, and electrolysis produces H+ and OH-, H+ and OH- and can sent out when touching the resin reaction of saturation within the walls
Raw displacement, is regenerated saturated resin, nitrate anion is reacted in electrolyte solution, resin reaction wall is had absorption again
The ability of nitrate in groundwater, makes full use of resin.Resin reaction wall after being reproduced in the presence of drive mechanism again
Into in reactor, continue to absorb nitrate anion.
Because resin reaction wall is provided with multiple, therefore regeneration reducing resin reaction wall, i.e. underground water can be removed in batches by anti-
When answering device, it is bound to by least one resin reaction wall, it is ensured that the nitrate content in underground water after reactor subtracts
It is few, it is ensured that treatment effeciency.
The further setting of the present invention is：On the resin reaction wall osmos tube, the osmos tube are provided with along water (flow) direction
It is fed through in resin reaction wall, the osmos tube and is sequentially provided with resin, permeable stone, rubber stopper and outlet pipe, the outlet pipe is worn
If crossing rubber stopper and connection permeable stone, the outlet pipe is provided with flow control valve.
By using above-mentioned technical proposal, water speed is gone out by the adjustable underground water of flow control valve, it is ensured that underground water
There can be the sufficient reaction time with resin reaction wall, it is ensured that to the treatment effect of underground water.And permeable stone can slow down underground water
Flow velocity, so as to extend the time of contact of underground water and resin reaction wall, improves treatment effect.
The further setting of the present invention is：The resin reaction wall top and bottom are respectively equipped with upper sealing panel and lower sealing
Plate, the upper sealing panel and lower sealing plate are each perpendicular to resin reaction wall, and the upper sealing panel width is equal to resin reaction wall
Width, and the upper sealing panel length is more than the length of resin reaction wall, the width of the lower sealing plate is more than resin reaction wall
Width, the length of the lower sealing plate is equal to the length of resin reaction wall；When the resin reaction wall is located in electrodialysis case
When, the lower sealing plate is pushed against in reactor inner face；When the resin reaction wall is located in reactor, the upper sealing panel
Push against in electrodialysis case inner face.
By using above-mentioned technical proposal, when resin reaction wall is located in electrodialysis case, lower sealing plate pushes against reactor
Inwall, so that it is guaranteed that electrolyte will not be flowed in reactor, is prevented because the nitrate anion in electrolyte is entered in reactor again,
It need to repeat to absorb nitrate, improve treatment effeciency.Similarly, when resin reaction wall is located in reactor, upper sealing panel is pushed against
Electrodialysis chamber interior wall, so that it is guaranteed that electrolyte will not be flowed in reactor.
The further setting of the present invention is：The drive mechanism includes positioned at electrodialysis case upper and lower ends and is rotationally connected with
The sprocket wheel of electrodialysis chamber interior wall, it is sheathed on and makes the chain of two sprocket wheels linkage outside two sprocket wheels, rotated for drive sprocket
Motor and be fixedly arranged on the contiguous block of upper backup pad side wall, the contiguous block is fixed on chain, and the motor is located at
Outside electrodialysis case.
By using above-mentioned technical proposal, motor drive sprocket is rotated, so as to drive chain movement, driving resin is anti-
Wall is answered to move up and down.Motor, which is located at outside electrodialysis case, can prevent that electrolyte from corroding motor, extend motor
Service life.And can prevent electrolyte in its contact surface formation fluid-tight with electrodialysis case during the output shaft rotation of motor
Leakage.
The further setting of the present invention is：The drive mechanism is provided with two and positioned at upper backup pad both sides, the electric osmose
Analysis case correspondence contiguous block side is embedded in dovetail groove and is slidably connected to along dovetail groove, the contiguous block is offered straight up
Dovetail groove.
By using above-mentioned technical proposal, dovetail groove has a spacing power in the horizontal direction to contiguous block, makes contiguous block
Can only be vertically moving, it is ensured that resin reaction wall will not shift in motion process, make the more smooth of its motion.
The further setting of the present invention is：The electrodialysis case side is provided with the collection box for being used for reclaiming nitrate, described
The distiller for concentrate solution is provided between recovery chamber electrodialysis case.
By using above-mentioned technical proposal, after multiple treatments, the nitrate anion in electrolyte has reached finite concentration, can be by
It is recovered in collection box, and then new electrolyte is passed through in electrodialysis case again, it is ensured that the regeneration effect of resin reaction wall.Together
When the solution that enters in collection box moisture is evaporated by distiller, complete concentration, nitrate can be used for making chemical fertilizer and
Auxiliary agent etc., can recycle to it, make full use of resource.
The further setting of the present invention is：The gas outlet of the distiller is provided with the receiving flask for being used for collecting vapor, institute
State receiving flask and be externally provided with condenser for condensed steam；It is provided between the receiving flask and electrodialysis case and works as resin reaction wall
When in electrodialysis case, for the water inlet pipe for guiding to the distilled water in receiving flask on resin reaction wall.
By using above-mentioned technical proposal, the pure water distilled out is poured onto on resin reaction wall, electrodialysis case is electrolysed
Go out more H+ and OH-, improve resin reaction wall regeneration rate and regeneration rate.Take full advantage of water resource simultaneously.
The further setting of the present invention is：The receiving flask side is provided with the supply tank for being used for supplying water to receiving flask, described
The drainage tube for being used for guiding to water in receiving flask from supply tank, the drainage tube relative collection are provided between supply tank and receiving flask
Bottle one end is provided with atomizer.
By using above-mentioned technical proposal, supply tank can be supplied to the sufficient water of receiving flask, it is ensured that can quilt on resin reaction wall
Pour sufficient water, it is ensured that resin reaction wall regeneration rate and regeneration rate.Atomizer can make water fogging simultaneously, increase cold
The contact area of water and vapor, makes vapor become distilled water by faster cooling.
The further setting of the present invention is：It is provided with the electrodialysis case for the heating rod of heating and for displays temperature
Thermometer.
, can be by the electrolyte temperature control in electrodialysis case by heating rod and thermometer by using above-mentioned technical proposal
System makes the regeneration effect of resin reaction wall more preferable at 25 DEG C or so.
The further setting of the present invention is：The voltage of the power supply is 25V, and flow is 10ml/min, the electrodialysis case
Interior electrolyte voltage gradient is 1v/cm.
By using above-mentioned technical proposal, on the premise of resin regeneration rate is ensured, the electrolysis speed of electrolyte is improved, i.e.,
Lift the regeneration rate of resin.
The present invention has advantages below：The nitrate in underground water can be smoothly absorbed, caking will not be produced, it is ensured that control
Manage the efficiency of underground water；Resin reaction wall can be regenerated, reuse resin reaction wall, economize on resources；It may separate out tree
Nitrate in fat reaction wall, and recycled, take full advantage of resource.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the partial schematic diagram of embodiment；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the partial sectional view of embodiment.
Reference：1st, immersible pump；2nd, filter；3rd, reactor；4th, resin reaction wall；5th, electrodialysis case；6th, drinking-water pipe；
7th, the first pipe；8th, water inlet；9th, delivery port；10th, the second pipe；11st, drainpipe；12nd, suction pump；13rd, osmos tube；14th, resin；
15th, permeable stone；16th, rubber stopper；17th, outlet pipe；18th, flow control valve；19th, lower sealing plate；20th, upper sealing panel；21st, driving machine
Structure；22nd, sprocket wheel；23rd, chain；24th, motor；25th, contiguous block；26th, dovetail groove；27th, anion and cation exchange membrane；28th, anode
Plate；29th, minus plate；30th, power supply；31st, distiller；32nd, the 3rd pipe；33rd, receiving flask；34th, the 4th pipe；35th, condenser；36th, enter
Water pipe；37th, supply tank；38th, drainage tube；39th, atomizer；40th, collection box；41st, the 5th pipe；42nd, heating rod；43rd, thermometer.
Embodiment
The present invention will be further described referring to the drawings.
As shown in figure 1, a kind of heavy metal pollution underground water in situ remediation system, including it is immersible pump 1, filter 2, anti-
Answer device 3, resin reaction wall 4 and electrodialysis case 5.
As shown in figure 1, being inserted with drinking-water pipe 6 in underground water, immersible pump 1 is located at the upper end of drinking-water pipe 6, by underground water by taking out
Underground water is drawn up ground by water pipe 6.Filter 2 is centrifugal net filter 2.The import of filter 2 and the outlet of immersible pump 1 it
Between be provided with the first pipe 7, the first pipe 7 be provided with valve.
As shown in figure 1, reactor 3 is in casing.And electrodialysis case 5 is located at the top of reactor 3.Reactor 3 is square along its length
Offer water inlet 8 and delivery port 9 respectively to both sides.The second pipe 10, second are provided between the outlet of water inlet 8 and filter 2
Valve also is provided with pipe 10.Drainpipe 11 is connected with delivery port 9, the lower end of drainpipe 11 is plugged in underground water.Drainpipe 11
It is provided with suction pump 12.
As shown in Figures 2 and 3, provided with resin reaction wall 4 is embedded with reactor 3, resin reaction wall 4 is grown along reactor 3
Spend direction and be provided with some pieces.Osmos tube 13 is embedded with along the length direction of reactor 3 on resin reaction wall 4, osmos tube 13 is fed through
Resin reaction wall 4.In osmos tube 13 from close to the one end of water inlet 8 to away from the one end of delivery port 9, being embedded with resin 14, thoroughly successively
Water stone 15, rubber stopper 16 and outlet pipe 17.Outlet pipe 17 is fed through rubber stopper 16 and connection permeable stone 15, and outlet pipe 17 is provided with
Flow control valve 18.
As shown in Fig. 2 the both sides of resin reaction wall 4 are connected to the inwall of reactor 3, and vertically it is slidably connected to reaction
Device 3.The lower end of resin reaction wall 4 is installed with lower sealing plate 19, and lower sealing plate 19 is perpendicular to resin reaction wall 4.Lower sealing plate 19
Width is more than the width of resin reaction wall 4, and the length of lower sealing plate 19 is equal to the length of resin reaction wall 4.
As shown in Fig. 2 the upper end of resin reaction wall 4 is fed through reactor 3 and electrodialysis case 5, and the upper end of resin reaction wall 4 is solid
Provided with upper sealing panel 20.Upper sealing panel 20 is perpendicular to resin reaction wall 4.And the width of upper sealing panel 20 is equal to resin reaction wall 4
Width, the length of upper sealing panel 20 is more than the length of resin reaction wall 4.Instantly sealing plate 19 is pushed against when 3 inner bottom surface of reactor, on
Sealing plate 20 pushes against the inner bottom surface of electrodialysis case 5.Upper sealing panel 20 and lower sealing plate 19 are made by rubber.
As shown in figure 4, the both sides of upper sealing panel 20 are equipped with drive mechanism 21.Drive mechanism 21 include sprocket wheel 22, chain 23,
Motor 24 and contiguous block 25.Sprocket wheel 22 is provided with two and respectively positioned at the upper and lower ends of electrodialysis case 5.Sprocket wheel 22 rotates connection
In electrodialysis case 5.Chain 23 is sheathed on outside two sprocket wheels 22 and in tensioning state, so that two sprocket wheels 22 realize linkage.Drive
Dynamic motor 24 is located at outside electrodialysis case 5, and is fixedly connected on electrodialysis case 5.The output shaft of motor 24 is fed through electrodialysis
Case 5 and coaxially it is fixedly arranged on one of sprocket wheel 22.
As shown in figure 4, contiguous block 25 is fixedly connected on chain 23.The both sides of electrodialysis case 5 vertically offer dovetail
Groove 26.Contiguous block 25 is embedded in dovetail groove 26 and is slidably connected to dovetail groove 26.The drive sprocket 22 of motor 24 is rotated, band
Dynamic chain 23 is moved, so as to drive contiguous block 25 to be slided in dovetail groove 26, driving resin reaction wall 4 is vertically moving.
As shown in Fig. 2 every piece of both sides of resin reaction wall 4 of correspondence side is equipped with anion and cation exchange membrane in electrodialysis case 5
27.The both sides of resin reaction wall 4 are provided with the positive plate 28 and minus plate 29 being located in electrodialysis case 5, and positive plate 28 is titanium plate, described
Minus plate 29 is stainless steel plate.Electrodialysis case 5 is provided with the power supply 30 for being used for supplying electricity to positive plate 28 and minus plate 29.Electrodialysis
Electrolyte is provided with case 5, electrolyte is sodium chloride.By switching on power 30, start electrolysis.As shown in Fig. 2 electrodialysis case 5
The interior heating rod 42 being provided with for heating and the thermometer 43 for displays temperature.
As shown in figure 1, the side of electrodialysis case 5 is provided with distiller 31, it is provided between distiller 31 and electrodialysis case 5 and carries valve
3rd pipe 32 of door.3rd pipe 32 is by the electrolyte water conservancy diversion in electrodialysis case 5 to distiller 31.The side of distiller 31 is provided with receipts
Collect bottle 33, be connected between the gas outlet of distiller 31 and receiving flask 33 and set valvular 4th pipe 34, the 4th pipe 34 will distillation
The vapor that device 31 is evaporated is imported in receiving flask 33.The lower section of receiving flask 33 is provided with the condenser 35 for being used for condensing receiving flask 33.
It is used to the distilled water in receiving flask 33 guiding to entering on resin reaction wall 4 as shown in figure 1, receiving flask 33 is provided with
Water pipe 36.The side of receiving flask 33 is provided with the supply tank 37 supplied water to receiving flask 33.Provided with use between supply tank 37 and receiving flask 33
In the drainage tube 38 for guiding to water in receiving flask 33 from supply tank 37, drainage tube 38 is stretched into receiving flask 33.Drainage tube 38 is relative
The one end of receiving flask 33 is provided with atomizer 39.
As shown in figure 1, the side of distiller 31 is provided with the collection box 40 for being used for reclaiming nitrate.Collection box 40 and distiller 31
Liquid outlet between be provided with valvular 5th pipe 41, the solution concentrated in distiller 31 is by the water conservancy diversion of the 5th pipe 41 to collection box
In 40, the recovery of nitrate is completed.
The operation principle of the system is as follows：
1st, underground water is pumped into filter 2 by immersible pump 1, is entered after the filtering silt of filter 2 in reactor 3；
2nd, when underground water passes through resin reaction wall 4, by resin 14, nitrate is walked by the absorption of resin 14, then passes through permeable stone
15 and outlet pipe 17 arrive the opposite side of resin reaction wall 4, after some pieces of resin reaction walls 4, underground is flowed back to by drainpipe 11,
Complete to administer；
3rd, when the saturation of resin 14 in resin reaction wall 4, it is impossible to when reabsorbing nitrate, the driving resin reaction wall of drive mechanism 21
4 move up, until lower supporting plate pushes against inwall on reactor 3, resin reaction wall 4 enters two pieces of anion and cation exchange membranes 27
Between；
4th, the connection positive plate 28 of power supply 30 and minus plate 29, start electrolysis, produce H+ and OH-, and regenerating resin 14 puts nitrate anion
Change in electrolyte, make the resin 14 in resin reaction wall 4 to continue to absorb nitrate；
In electrolysis, when restoring resin reaction wall 4, the voltage of power supply 30 is 25V, and flow is the electricity in 10ml/min, electrodialysis case 5
It is 1v/cm to solve liquid voltage gradient；Heating rod 42 heats electrolyte, electrolyte temperature is maintained 25 DEG C or so；
5th, the driving resin reaction of drive mechanism 21 wall 4 is moved downward, until upper backup pad pushes against electrodialysis 5 times inwalls of case, makes tree
Fat reaction wall 4 continues to absorb nitrate；
6th, when nitrate concentration reaches to a certain degree in the electrolyte in electro-osmosis case, electrolyte is imported by the 3rd pipe 32
In distiller 31, new electrolyte is then put into electro-osmosis case；
7th, it is distilled device 31 into the old electrolyte in distiller 31 and evaporates moisture, concentrates, then entered by the 5th pipe 41
In to collection box 40；
8th, the moisture evaporated is entered in receiving flask 33 under the guiding of the 4th pipe 34, by condenser 35 and atomizer 39
The water smoke cooling of ejection, is changed into distilled water and stays in receiving flask 33；
9th, the water in receiving flask 33 is poured onto in the presence of water inlet pipe 36 on resin reaction wall 4, is provided pure water for electrolysis, can be made electricity
More H+ and OH- are electrolysed out during solution, the efficiency that resin 14 is restored in electrolysis is improved.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of heavy metal pollution underground water in situ remediation system, it is characterized in that：Including the diving for extracting underground water out
Pump（1）, filter for removing silt（2）, reactor（3）, resin reaction wall for adsorbing nitrate（4）With for again
Green resin（14）Electrodialysis case（5）, the electrodialysis case（5）Positioned at reactor（3）Top, the resin reaction wall（4）Edge
Water (flow) direction is provided with some pieces, the resin reaction wall（4）It is fed through reactor（3）With electrodialysis case（5）And vertically
It is slidably connected to reactor（3）With electrodialysis case（5）, the resin reaction wall（4）Being provided with is used to drive resin reaction wall（4）
The drive mechanism of slip（21）, the electrodialysis case（5）Interior every piece of the correspondence resin reaction wall（4）Both sides side is equipped with the moon
Cation-exchange membrane（27）, the resin reaction wall（4）Both sides, which are provided with, is located at electrodialysis case（5）Interior positive plate（28）And negative electrode
Plate（29）, the electrodialysis case（5）Interior be provided with is used to supply electricity to positive plate（28）And minus plate（29）Power supply（30）, the electricity
Dialysis case（5）It is interior to be provided with electrolyte；When the resin reaction wall（4）Positioned at reactor（3）When interior, the power supply（30）Power-off；
When the resin reaction wall（4）Positioned at electrodialysis case（5）, the power supply（30）Supply electricity to positive plate（28）And minus plate（29）.
2. a kind of heavy metal pollution underground water in situ remediation system according to claim 1, it is characterized in that：The tree
Fat reaction wall（4）On along water (flow) direction be provided with osmos tube（13）, the osmos tube（13）It is fed through resin reaction wall（4）, it is described
Osmos tube（13）Inside it is sequentially provided with resin（14）, permeable stone（15）, rubber stopper（16）And outlet pipe（17）, the outlet pipe（17）
It is fed through rubber stopper（16）And connection permeable stone（15）, the outlet pipe（17）It is provided with flow control valve（18）.
3. a kind of heavy metal pollution underground water in situ remediation system according to claim 2, it is characterized in that：The tree
Fat reaction wall（4）Top and bottom are respectively equipped with upper sealing panel（20）With lower sealing plate（19）, the upper sealing panel（20）With under
Sealing plate（19）It is each perpendicular to resin reaction wall（4）, the upper sealing panel（20）Width is equal to resin reaction wall（4）Width,
And the upper sealing panel（20）Length is more than resin reaction wall（4）Length, the lower sealing plate（19）Width be more than resin
Reaction wall（4）Width, the lower sealing plate（19）Length be equal to resin reaction wall（4）Length；When the resin reaction
Wall（4）Positioned at electrodialysis case（5）When interior, the lower sealing plate（19）Push against in reactor（3）Inner face；When the resin reaction
Wall（4）Positioned at reactor（3）When interior, the upper sealing panel（20）Push against in electrodialysis case（5）Inner face.
4. a kind of heavy metal pollution underground water in situ remediation system according to claim 3, it is characterized in that：It is described to drive
Motivation structure（21）Including positioned at electrodialysis case（5）Upper and lower ends and it is rotationally connected with electrodialysis case（5）The sprocket wheel of inwall（22）, set
Located at two sprocket wheels（22）Make two sprocket wheels outside（22）The chain of linkage（23）, for drive sprocket（22）The driving of rotation
Motor（24）With the contiguous block for being fixedly arranged on upper backup pad side wall（25）, the contiguous block（25）It is fixed on chain（23）, it is described to drive
Dynamic motor（24）Positioned at electrodialysis case（5）Outside.
5. a kind of heavy metal pollution underground water in situ remediation system according to claim 4, it is characterized in that：It is described to drive
Motivation structure（21）Provided with two and positioned at upper backup pad both sides, the electrodialysis case（5）Correspondence contiguous block（25）Side is along vertical
Offer dovetail groove upwards（26）, the contiguous block（25）It is embedded at dovetail groove（26）It is interior and be slidably connected to dovetail groove（26）.
6. a kind of heavy metal pollution underground water in situ remediation system according to claim 3, it is characterized in that：The electricity
Dialysis case（5）Side is provided with the collection box for being used for reclaiming nitrate（40）, the collection box（40）Box electrodialysis case（5）Between set
There is the distiller for concentrate solution（31）.
7. a kind of heavy metal pollution underground water in situ remediation system according to claim 6, it is characterized in that：It is described to steam
Evaporate device（31）Gas outlet be provided with and be used to collect the receiving flask of vapor（33）, the receiving flask（33）It is externally provided with for condensed water
The condenser of steam（35）；The receiving flask（33）With electrodialysis case（5）Between be provided with work as resin reaction wall（4）Positioned at electrodialysis
Case（5）When interior, for by receiving flask（33）In distilled water guide to resin reaction wall（4）On water inlet pipe（36）.
8. a kind of heavy metal pollution underground water in situ remediation system according to claim 7, it is characterized in that：It is described to receive
Collect bottle（33）Side, which is provided with, to be used to supply water to receiving flask（33）Supply tank（37）, the supply tank（37）And receiving flask（33）It
Between be provided with and be used for water from supply tank（37）Guide to receiving flask（33）Interior drainage tube（38）, the drainage tube（38）Relative collection
Bottle（33）One end is provided with atomizer（39）.
9. a kind of heavy metal pollution underground water in situ remediation system according to claim 1, it is characterized in that：The electricity
Dialysis case（5）The interior heating rod being provided with for heating（42）With the thermometer for displays temperature（43）.
10. a kind of heavy metal pollution underground water in situ remediation system according to claim 1, it is characterized in that：It is described
Power supply（30）Voltage be 25V, flow is 10ml/min, the electrodialysis case（5）Interior electrolyte voltage gradient is 1v/cm.
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| CN108117218A (en) * | 2018-02-07 | 2018-06-05 | 韶关鹏瑞环保科技有限公司 | A kind of comprehensive reutilization system of copper-containing etching waste solution |
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| JPH10323673A (en) * | 1997-03-28 | 1998-12-08 | Asahi Glass Co Ltd | Deionized water-producing method |
| CN106001084A (en) * | 2016-05-30 | 2016-10-12 | 湖南恒凯环保科技投资有限公司 | Reactor for strengthening biological repairing of phenol contaminated soil through combination of electric power migration and Fenton oxidation and method for repairing phenol contaminated soil |
| CN205662395U (en) * | 2016-06-01 | 2016-10-26 | 河南倍杰特环保技术有限公司 | Circulation water treatment facilities |
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| JPH10323673A (en) * | 1997-03-28 | 1998-12-08 | Asahi Glass Co Ltd | Deionized water-producing method |
| CN106001084A (en) * | 2016-05-30 | 2016-10-12 | 湖南恒凯环保科技投资有限公司 | Reactor for strengthening biological repairing of phenol contaminated soil through combination of electric power migration and Fenton oxidation and method for repairing phenol contaminated soil |
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