CN109012201A - A kind of electric dialyzator - Google Patents
A kind of electric dialyzator Download PDFInfo
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- CN109012201A CN109012201A CN201810773400.4A CN201810773400A CN109012201A CN 109012201 A CN109012201 A CN 109012201A CN 201810773400 A CN201810773400 A CN 201810773400A CN 109012201 A CN109012201 A CN 109012201A
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- China
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- film
- compartment
- exchange membrane
- intermediate plate
- intercommunicating pore
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 239000012528 membrane Substances 0.000 claims abstract description 69
- 238000005192 partition Methods 0.000 claims abstract description 57
- 238000005341 cation exchange Methods 0.000 claims abstract description 52
- 239000003011 anion exchange membrane Substances 0.000 claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000011148 porous material Substances 0.000 claims description 60
- 150000001450 anions Chemical class 0.000 claims description 11
- 150000001768 cations Chemical class 0.000 claims description 11
- 230000003447 ipsilateral effect Effects 0.000 claims description 2
- 125000002091 cationic group Chemical group 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000006798 recombination Effects 0.000 abstract description 3
- 238000005215 recombination Methods 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 description 15
- 239000002351 wastewater Substances 0.000 description 10
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 9
- 229910001424 calcium ion Inorganic materials 0.000 description 9
- -1 bitter etc. Substances 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 7
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 229910001425 magnesium ion Inorganic materials 0.000 description 7
- 229910001415 sodium ion Inorganic materials 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000013505 freshwater Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 238000000909 electrodialysis Methods 0.000 description 4
- 239000010842 industrial wastewater Substances 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 229910001414 potassium ion Inorganic materials 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005349 anion exchange Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 102000057593 human F8 Human genes 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229940047431 recombinate Drugs 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/46—Apparatus therefor
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/26—Further operations combined with membrane separation processes
- B01D2311/2623—Ion-Exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention discloses a kind of electric dialyzator, including anode plate, membrane stack, cathode plate and fixing seal membrane stack pressure plate；The membrane stack include the first film to and the second film pair；Wherein the first film to and the second film to being arranged alternately；Mode of first film to setting are as follows: the-the first cation-exchange membrane of the-the first anion-exchange membrane of partition-partition；Mode of second film to setting are as follows: the-the second cation-exchange membrane of the-the second anion-exchange membrane of partition-partition；First film adjacent with anode plate between anode plate to being also equipped with a Monovalent selectivity cation-exchange membrane；Cooperate cation-exchange membrane, there are four compartments to the second film centering tool with same group for first film described in each group, four compartments have individual water stream channel respectively, each compartment is connected to corresponding feed-water tank and water production tank by corresponding water stream channel；The invention can carry out separation recombination to the ion of easy fouling, reduce fouling, improve the service life of equipment.
Description
Technical field
The present invention relates to electric dialyzators, being capable of dividing to easy fouling tendency brine waste intermediate ion more particularly to one kind
Electric dialyzator from recombination.
Background technique
With the worsening of China's water shortage problem, northern area groundwater mining problem is severe.Industrial water is China
Water resource uses rich and influential family, and China's Long-term planning industrial wastewater will reach 80% or more reclamation rate, and be typically only 50% at present
Left and right, therefore the Treated sewage reusing of industrial wastewater will have very big growth space.Meanwhile Environmental Protection in China policy requirements thermal power generation
The industries such as factory, plating, coal chemical industry realize wastewater zero discharge.
But the middle water production cost of current industrial waste water is excessively high, middle water water quality is bad, wastewater zero discharge investment and operation
Expense is high, to the recycling bring challenge of waste water.For some industrial wastewaters, such as desulfurization wastewater, recirculated cooling water
Sewerage, reverse osmosis concentrated water, mine water, bitter etc., water quality have high fouling tendency, ion complicated composition and salt content high
The features such as, easily scale problems are brought to electrodialysis.
Summary of the invention
The purpose of the present invention is to provide a kind of electric dialyzator, which can carry out separation weight to the ion of easy fouling
Group reduces fouling, improves the service life of equipment.
To solve this technical problem, the technical scheme is that a kind of electric dialyzator, including anode plate, membrane stack, cathode
The pressure plate of plate and fixing seal membrane stack；The membrane stack includes the first film of multiple groups to the second film pair with identical quantity；Wherein
One film to and the second film to being arranged alternately；
First film is to including the partition with compartment, the first cation-exchange membrane, the first anion-exchange membrane；First
Mode of the film to setting are as follows: the-the first cation-exchange membrane of the-the first anion-exchange membrane of partition-partition；
Second film is to including the partition, the second cation-exchange membrane, the second anion-exchange membrane；Second film
To the mode of setting are as follows: the-the second cation-exchange membrane of the-the second anion-exchange membrane of partition-partition；
First film adjacent with the anode plate to be also equipped between the anode plate Monovalent selectivity sun from
Proton exchange；
To the second film centering tool with same group there are four compartment, four compartments have first film described in each group respectively
Individual water stream channel, each compartment are connected to corresponding feed-water tank and water production tank by corresponding water stream channel.
It is further improved, the partition includes intermediate plate and the support plate positioned at intermediate plate two sides；In the middle part of the intermediate plate
For the compartment for being covered with filter, the top and bottom of intermediate plate are respectively equipped with the corresponding multiple gully-holes of quantity same position；It is located at
The gully-hole of the intermediate plate side includes water flow hole and intercommunicating pore；The length of the intercommunicating pore is less than the water flow hole
Length；The intercommunicating pore of each piece of intermediate plate top and bottom is staggered；It is respectively equipped in the top and bottom of the intermediate plate
The identical runner of quantity, the compartment of intermediate plate where described runner one end is connected to it, the other end of the runner are directed toward same with it
The intercommunicating pore of side；
The first hole for being connected to the compartment is equipped in the middle part of the support plate, the top and bottom of the support plate are equipped with quantity
The second hole identical with gully-hole with position, the size in the second hole are identical as the water flow hole；
The intercommunicating pore of the intermediate plate upper end and described in constituting with the second hole of its two sides of the intercommunicating pore corresponding position
The apopore of partition or inlet opening；The intercommunicating pore of the intermediate plate lower end and with its two sides of the intercommunicating pore corresponding position
Two holes constitute inlet opening or the apopore of the partition；It is right that the runner positioned at the intermediate plate upper end or lower end is directed toward its
The one end for the intercommunicating pore answered is located between second hole of support plate described in two sides；The remainder of the runner is by two
The support plate of side covers.By setting three layers of sandwich structure for partition in the present invention, that is, be located in the middle intermediate plate and
Support plate positioned at intermediate plate two sides, support plate cover the runner on intermediate plate, prevent the first cation-exchange membrane, the first yin
Amberplex, the second cation-exchange membrane or the second anion-exchange membrane are since the fastening pressure from pressure plate is in runner
Place generates impression, avoids on the one hand preventing flow blockage in amberplex recess air stream enter runner, on the other hand can also preventing runner
Water flow is unsmooth after obstruction causes thermal expansion laxity and occurs to burn film phenomenon；Therefore the present invention carries out what ion was isolated from the recombinant for waste water
In the process, good separating effect between compartment and compartment, protection of each amberplex by plate supported on both sides, prevents ion exchange
There is impression in film, conducive to service life of the invention is extended, there is good separation to recombinate effect, securely and reliably.
It is further improved, on the upside of the intermediate plate or multiple runners of downside are from its corresponding connection
The compartment of hole towards intermediate plate where it is arranged radially.It, can be to avoid film centering due to the supporting role of support plate
The runner infall of adjacent two pieces of partitions generates the pressure to amberplex in runner two sides, to avoid amberplex
Impression is generated in runner infall two sides, therefore the setting of the partition runner of three layers of sandwich structure is not by adjacent two pieces of partitions
The runner of the limitation that runner cannot intersect, i.e., adjacent two partition can be arranged in a crossed manner, improves the uniformity of runner setting, thus flows
Road can be relatively wide more uniform in the range that compartment one end is distributed, and guarantees compartment water inlet or water outlet uniformly, prevents flowing
Dead zone.
Be further improved, runner described in each from the compartment to the turning point of its corresponding intercommunicating pore be circular arc
Shape, arc radius are 5 to 10mm.Runner is designed in corner in arc-shaped, and round and smooth runner reduces resistance to water-flow, simultaneously also
The precipitating that particulate matter in water can be mitigated causes the obstruction of runner.
It is further improved, each piece of intermediate plate is located at the intercommunicating pore of lower end and is located at the intermediate plate upper end
One, the intercommunicating pore interval water flow hole is staggered, and guarantees that the concentrated water of compartment or fresh water can sufficiently flow, prevents
The generation in dead zone.
It is further improved, one end that the runner positioned at the compartment two sides is connected to the compartment is evenly distributed on described
On intermediate plate, the other end that the runner is connected to the intercommunicating pore is evenly distributed on the intermediate plate.Further uniform flow path
It prevents from generating dead zone in compartment so that the water distribution of compartment is more uniform in the distribution that side was intake or be discharged to compartment.
It is preferred that width of flow path described in each is equal, the width of each runner is 0.5 to 2.5mm, each connection
The corresponding runner quantity in hole is 5 to 15.
It is preferred that the intermediate plate with a thickness of 0.3 to 1mm；The support plate is with a thickness of 0.15 to 0.5mm.By adjusting stream
Road number and intermediate plate thickness guarantee that total water sectional area of crossing of the corresponding runner of each intercommunicating pore is 5 to 12mm2.Knot
The width of fluid passage selection and the thickness of support plate are closed, to guarantee that support plate does not generate at runner in 0.5Mpa pressure lower supporting plate
Obvious impression.
It is further improved, the quantity of the gully-hole of the intermediate plate upper end or lower end is 4n, and n is positive integer；
The quantity of the intercommunicating pore of the intermediate plate upper end or lower end is n.On an intermediate plate be arranged multiple groups intake or
The intercommunicating pore of water outlet, with the increase of n, the water inlet or water outlet of compartment can be more uniform, can also reduce the arc of runner turn
Degree reduces the resistance of liquid flowing, prevents particle deposition obstruction runner in liquid.
Be further improved, with organize the first film to and four compartments of the second film pair be respectively to be handed over by Monovalent selectivity cation
Change the first compartment between film or the second cation-exchange membrane and the first anion-exchange membrane, the first anion-exchange membrane and first
Second compartment between cation-exchange membrane, the third compartment between the first cation-exchange membrane and the second anion-exchange membrane,
The 4th compartment between second anion-exchange membrane and the second cation-exchange membrane, wherein the 4th compartment pipeline connection second every
Room.Since the 4th compartment is by An+And Bn-Two kinds of ions carry out denseization, by the A concentrated in the 4th compartmentn+And Bn-Further
It is passed through to second compartment, the ion of easy fouling is further subjected to separation recombination.
By using above-mentioned technical proposal, the beneficial effects of the present invention are: the present invention by the first film to and the second film pair
It is arranged alternately；Mode of first film to setting are as follows: the-the first cation-exchange membrane of the-the first anion-exchange membrane of partition-partition；Institute
The second film is stated to the mode of setting are as follows: the-the second cation-exchange membrane of the-the second anion-exchange membrane of partition-partition；It is set by above-mentioned
It sets, there are four compartments to the second film centering tool with same group for first film, respectively by Monovalent selectivity cation-exchange membrane
Or the second first compartment between cation-exchange membrane and the first anion-exchange membrane, the first anion-exchange membrane and the first sun from
Second compartment between proton exchange, the third compartment between the first cation-exchange membrane and the second anion-exchange membrane, second
The 4th compartment between anion-exchange membrane and the second cation-exchange membrane, difference can enter four kinds of liquid.To be processed is useless
Include different kinds of ions in aqueous solution, mainly there is An+、Bn-、C+And D-, wherein An+Represent include calcium ion, magnesium ion, iron ion,
The polyvalent cations such as copper ion, Bn-Represent the multivalent anions such as sulfate ion, phosphate anion, carbanion, C+It represents
Such as sodium ion, potassium ion, ammonium ion univalent cation, D-Represent such as chloride ion, nitrate ion monovalent anion, calcium
Ion, magnesium ion and sulfate ion, phosphate anion are easy between carbanion to combine and form precipitating, cause electrodialysis
Equipment scaling.Wherein first compartment and third compartment are enriched chamber, and second compartment and the 4th compartment are diluting compartment, first compartment and
It is passed through the aqueous solution without multivalent ion in third compartment, is passed through waste water solution to be processed in second compartment and the 4th compartment.
Under electric drive active force, A in second compartment waste liquid to be processedn+And C+By the first cation-exchange membrane move into third every
Room, Bn-And D-First compartment is moved into through the first anion-exchange membrane, obtains the fresh water that unit price and multivalent ion are removed.The
C in four compartments in waste water+Third compartment, D are moved into through the second cation-exchange membrane-It is moved into through the second anion-exchange membrane
First compartment obtains the fresh water that monovalention is removed.By effect of the invention, B is formd in first compartmentn-、C+And D-
From molecular concentrated water, A has been formd in third compartmentn+、C+And D-From molecular concentrated water, easy scale-forming ion A is realizedn+With
Bn-Grouping；And its four described compartments have individual water stream channel respectively, each compartment passes through corresponding water flow
Channel is connected to corresponding feed-water tank and water production tank, by handling different ions composition and strength solution respectively, reduces this
A possibility that fouling, occurs for invention.
To realize above-mentioned purpose of the invention.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of electric dialyzator of the present invention；
Fig. 2 is the principle of the present invention schematic diagram；
Fig. 3 be in the present invention first kind film to or the second class film pair sectional view；
Fig. 4 is the sectional perspective schematic diagram of the partition in the present invention with three layers of sandwich structure；
Fig. 5 is the main view of intermediate plate in the present invention；
Fig. 6 is the main view of support plate in the present invention.
In figure:
Membrane stack 100；First film is to 1；First cation-exchange membrane 11；First anion-exchange membrane 12；Second film is to 2；The
Two cation-exchange membranes 21；Second anion-exchange membrane 22；Partition 3；Compartment 31；Intermediate plate 32；Gully-hole 321；Water flow hole
322；Intercommunicating pore 323；Runner 324；Filter 325；Support plate 33；First hole 331；Second hole 332；Monovalent selectivity cation is handed over
Change film 4.
Specific embodiment
In order to further explain the technical solution of the present invention, being explained in detail below by specific embodiment the present invention
It states.
The present invention discloses a kind of electric dialyzator, as shown in Figures 1 to 6, including anode plate, membrane stack 100, cathode plate and fixation
Seal the pressure plate of membrane stack 100；The membrane stack 100 include the first film of multiple groups to 1 and identical quantity the second film to 2；Wherein
One film to 1 and second film be arranged alternately to 2；
First film includes the partition 3 with compartment 31, the first cation-exchange membrane 11, the first anion exchange to 1
Film 12；Mode of first film to 1 setting are as follows: the first cation-exchange membrane of partition 3- the first anion-exchange membrane 12- partition 3- 11；
Second film includes the partition 3, the second cation-exchange membrane 21, the second anion-exchange membrane 22 to 2；It is described
Mode of second film to 2 settings are as follows: the second cation-exchange membrane of partition 3- the second anion-exchange membrane 22- partition 3- 21；
First film adjacent with the anode plate is positive to a Monovalent selectivity is also equipped between 11 and the anode plate
Amberplex 4；
To tool in 2, there are four compartments 31, four compartments 31 to have respectively to 1 and with the second film of group for first film
Individual water stream channel, each compartment 31 are connected to corresponding feed-water tank by corresponding water stream channel and produce water water
Case.
11 selectivity of the energy of first cation-exchange membrane described in the present embodiment penetrates univalent cation and polyvalent cation, the
One anion-exchange membrane energy, 12 selectivity penetrates monovalent anion and multivalent anions；Second cation-exchange membrane 21 is single
Valence selectivity cation-exchange membrane, univalent cation can freely penetrate the second cation-exchange membrane 21 with unrestricted, and multivalence
The transmitance of cation is no more than 10%；Second anion-exchange membrane 22 is Monovalent selectivity anion-exchange membrane, unit price
Anion can freely penetrate the second anion-exchange membrane 22 with unrestricted, and the transmitance of multivalent anions is no more than 2%.
Gully-hole on the partition collectively forms the water stream channel of membrane stack with corresponding gully-hole on each amberplex.
Gully-hole on the partition collectively forms the water stream channel of membrane stack with gully-hole corresponding on amberplex.Partition is forming
There are four types of disposing way when membrane stack so that the intercommunicating pore of partition respectively with the gully-hole weight on four positions of amberplex
Folded, that secondary people constitutes four water stream channels.
The present embodiment by the first film to 1 and second film be arranged alternately to 2；Mode of first film to 1 setting are as follows: partition 3-
First the first cation-exchange membrane of anion-exchange membrane 12- partition 3- 11；Mode of second film to 2 settings are as follows: partition 3-
Second the second cation-exchange membrane of anion-exchange membrane 22- partition 3- 21；By above-mentioned setting, first film is to 1 and same group
The second film to tool in 2, there are four compartments 31, respectively by Monovalent selectivity cation-exchange membrane 4 or the second cation-exchange membrane
21 and the first first compartment between anion-exchange membrane 12, the first anion-exchange membrane 12 and the first cation-exchange membrane 11 it
Between second compartment, the third compartment between the first cation-exchange membrane 11 and the second anion-exchange membrane 22, the second anion
The 4th compartment between exchange membrane 22 and the second cation-exchange membrane 21.It include different kinds of ions in waste water solution to be processed,
Mainly there is An+、Bn-、C+And D-, wherein An+Represent includes the polyvalent cations such as calcium ion, magnesium ion, iron ion, copper ion, Bn-
Represent the multivalent anions such as sulfate ion, phosphate anion, carbanion, C+Represent as sodium ion, potassium ion, ammonium root from
The univalent cations such as son, D-Represent such as chloride ion, nitrate ion monovalent anion, first compartment and third in the present embodiment
Compartment is enriched chamber, is passed through the pure water by reverse osmosis treatment in first compartment and third compartment, second compartment and the 4th every
Room is passed through waste water solution to be processed, and second compartment and the 4th compartment are diluting compartment.Under electric drive active force, second compartment is waited for
A in the waste liquid of processingn+And C+Third compartment, B are moved by the first cation-exchange membranen-And D-Through the first anion-exchange membrane
First compartment is moved into, the fresh water that unit price and multivalent ion are removed is obtained.C in 4th compartment in waste water+Through the second sun
Amberplex moves into third compartment, D-First compartment is moved into through the second anion-exchange membrane, monovalention is obtained and is removed
Fresh water.By effect of the invention, B is formd in first compartmentn-、C+And D-, from molecular concentrated water, shape in third compartment
At there is An+、C+And D-From molecular concentrated water, the A of easy fouling is realizedn+And Bn-Grouping；Four kinds of compartments matches in the present invention
While solution in second compartment has been carried out desalination by conjunction, by the A of fouling easy in second compartmentn+And Bn-It is grouped respectively to
One compartment and third compartment, realize the A of easy foulingn+And Bn-Grouping；And its four compartments 31 have individually respectively
Water stream channel, each compartment 31 are connected to corresponding feed-water tank and water production tank by corresponding water stream channel, pass through
Different ions composition and strength solution are handled respectively, reduce a possibility that fouling occurs for the present invention.
The membrane stack 100 of the present embodiment altogether comprising 125 group of first film to and 125 group of second film pair, i.e., the first cation exchange
Film 11, the first anion-exchange membrane 12, the second cation-exchange membrane 21 and the first anion-exchange membrane 12 each 125, and also
Monovalent selectivity cation-exchange membrane 4 equipped with one close to anode plate, the quantity of partition 2 are 500.
Partition 3 described in the present embodiment includes intermediate plate 32 and the support plate 33 positioned at 32 two sides of intermediate plate；The centre
It is the compartment 31 for being covered with filter 325 in the middle part of plate 32, it is corresponding that the top and bottom of intermediate plate 32 are respectively equipped with quantity same position
Multiple gully-holes 321；The gully-hole 321 positioned at 32 side of intermediate plate includes water flow hole 322 and intercommunicating pore 323；Institute
The length for stating intercommunicating pore 323 is less than the length of the water flow hole 322, and the two is of same size；Each piece of 32 upper end of intermediate plate is under
The intercommunicating pore 323 at end is staggered, and is respectively equipped with the identical runner 324 of quantity, institute in the top and bottom of the intermediate plate 32
State the compartment 31 that 324 one end of runner is connected to intermediate plate 32 where it, the other end of the runner 324 is directed toward ipsilateral with it described
Intercommunicating pore 323；
The first hole 331 for being connected to the compartment 31 is equipped in the middle part of the support plate 33, the upper end of the support plate 33 is under
End is equipped with quantity and position second hole 332 identical with gully-hole 321, the size in the second hole 332 and 322 phase of water flow hole
Together；
The intercommunicating pore 323 of 32 upper end of intermediate plate and the second hole with its two sides of 323 corresponding position of intercommunicating pore
332 constitute the apopore of the partition 31 or inlet opening；The intercommunicating pore 323 of 32 lower end of intermediate plate and with the intercommunicating pore
Second hole 332 of its two sides of 323 corresponding positions constitutes inlet opening or the apopore of the partition 31；Positioned at the intermediate plate 32
One end that the runner 324 of upper end or lower end is directed toward its corresponding intercommunicating pore 323 is located at support plate 33 described in two sides
Second hole 332 between；The remainder of the runner 324 is covered by the support plate 33 of two sides；
The middle part of the partition 3 is equipped with the filter 325 for being paved with compartment 31.By setting three layers for partition 3 in the present invention
Sandwich structure, that is, be located in the middle intermediate plate 32 and the support plate 33 positioned at 32 two sides of intermediate plate makes, and support plate 33 will be intermediate
Runner 324 on plate 32 covers, and prevents the first cation-exchange membrane 11, first anion-exchange membrane the 12, second cation exchange
Film 21 or the second anion-exchange membrane 22 cause above-mentioned amberplex in runner 324 due to the fastening pressure from clamping plate
Place generates impression, avoids amberplex from being recessed in air stream enter runner 324 under the action of Fluid pressure, on the one hand prevents runner 324
Obstruction, on the other hand can also prevent after flow blockage that water flow is unsmooth to be caused thermal expansion laxity and occur to burn film phenomenon.
Partition 3 and amberplex component film are to rear in the present embodiment, and the intercommunicating pore 323 of the leftmost side is in most on partition 3
The hole site of catchmenting in left side is first partition, and it is that the intercommunicating pore 323 of the leftmost side, which is in second, left side hole site of catchmenting,
Two partitions, it is third partition, the intercommunicating pore of the leftmost side that the intercommunicating pore 323 of the leftmost side, which is in a hole site of catchmenting of left side third,
323 in the 4th, left side hole site of catchmenting be the 4th partition, therefore, the present invention in partition it is practical include four kinds of structures.
The multiple runners 324 for being located at 32 upside of intermediate plate or downside in the present embodiment are corresponding described from its
The compartment 31 of intercommunicating pore 323 towards intermediate plate 32 where it is arranged radially.It, can due to the supporting role of support plate 33
324 infall of runner to avoid the adjacent two pieces of partitions 3 of film centering generates the pressure to amberplex in 324 two sides of runner
Power, so that amberplex be avoided to generate impression, therefore the partition 3 of three layers of sandwich structure in 324 infall two sides of runner
The setting of runner cannot not intersected by adjacent two pieces of partitions, 3 runner 324 to be limited, i.e., the runner 324 of adjacent two partition 3 can be handed over
Fork is arranged, and improves the uniformity that runner 324 is arranged, thus runner 324 can be relatively wide and equal in the range that 31 one end of compartment is distributed
It is even, guarantee the water inlet of compartment 31 or water outlet uniformly, prevents the dead zone of flowing.
Runner 324 described in each is from the turning to its corresponding intercommunicating pore 323 of compartment 31 in the present embodiment
Place is arc-shaped, and arc radius is 5 to 10mm.Round and smooth runner 324 is designed in corner in arc-shaped, arc-shaped runner 324
The precipitating for reducing resistance to water-flow, while can also mitigating particulate matter in water causes the obstruction of runner 324.
The size of partition 3 and amberplex is 400mm*1600mm in the present embodiment.
The each piece of intermediate plate 32 is located at the intercommunicating pore 323 of lower end and is located at the intermediate plate 32 in the present embodiment
The intercommunicating pore 323 of upper end is spaced a water flow hole 322 and is staggered.The each piece of intermediate plate 32 is located at one end
Three water flow holes 322 are spaced between the adjacent intercommunicating pore 323.Such as by the first of 32 lower end of intermediate plate and the 4th
Gully-hole 321 is set as intercommunicating pore 323, corresponding by the third of 32 upper end of intermediate plate and the 5th 321 company of being set as of gully-hole
Through-hole 323.
One end that the runner 324 in the present embodiment positioned at 31 two sides of compartment is connected to the compartment 31 is uniformly distributed
On the intermediate plate 32, the other end that the runner 324 is connected to the intercommunicating pore 323 is evenly distributed on the intermediate plate 32
On.Further uniform flow path 324 intakes in compartment 31 or is discharged the distribution of side, so that the water distribution of compartment 31 is more uniform,
It prevents from generating dead zone in compartment 31.
In the present embodiment described in preferred each wide 324 degree of runner it is equal, the width of each runner 324 be 0.5 to
2.5mm, corresponding 324 quantity of runner of each intercommunicating pore 323 are 5 to 15.It is preferred that the intermediate plate 32 with a thickness of 0.3
To 1mm；The support plate 33 is with a thickness of 0.15 to 0.5mm.Guarantee by adjusting 324 numbers of runner and 32 thickness of intermediate plate each
Total water sectional area of crossing of the corresponding runner 324 of the intercommunicating pore 323 is 5 to 12mm2.The width selected in conjunction with runner 324
With the thickness of support plate 33, to guarantee that support plate 33 does not generate obvious pressure in 0.5Mpa pressure lower supporting plate 33 at runner 324
Trace.The width of further preferred single flow channel 324 is 1.3mm in the present embodiment, and each intercommunicating pore 323 corresponds to 9 runners 324,
Intermediate plate 32 with a thickness of 0.5mm, for plate 33 supported on both sides with a thickness of 0.25mm, the corresponding runner 324 of each intercommunicating pore 323 is total to cross water
Sectional area is 5.85mm2。
The quantity of the gully-hole 321 of the upper end of intermediate plate 32 described in the present embodiment or lower end is 4n, and n is positive whole
Number；The quantity of the intercommunicating pore 323 of 32 upper end of intermediate plate or lower end is n.It is arranged on an intermediate plate 32 more
The intercommunicating pore 323 of group water inlet or water outlet, with the increase of n, the water inlet or water outlet of compartment 31 can be more uniform, can also subtract
The radian that small flow channels 324 are turned round reduces the resistance of liquid flowing, prevents particle deposition obstruction runner 324 in liquid.The present embodiment
Described in the quantity of gully-hole 321 be 8, the quantity of the intercommunicating pore 323 of 32 upper end of intermediate plate or lower end is 2
It is a.
In the present embodiment with group the first film to 1 and second film to 2 four compartments 31 be respectively by Monovalent selectivity sun from
First compartment between proton exchange 4 or the second cation-exchange membrane 21 and the first anion-exchange membrane 12, the first anion are handed over
Change the second compartment between film 12 and the first cation-exchange membrane 11, the first cation-exchange membrane 11 and the second anion-exchange membrane
Third compartment between 22, the 4th compartment between the second anion-exchange membrane 22 and the second cation-exchange membrane 21.By this
The effect of embodiment forms B in first compartmentn-、C+And D-, from molecular concentrated water, form in third compartment by An+、C+
And D-From molecular concentrated water, easy scale-forming ion A is realizedn+And Bn-Grouping.
Using the electric dialyzator series operation in 2 playscript with stage directions embodiments, the water outlet of First electric dialyzator enters second electric osmose
Parser is passed through the pure water that reverse osmosis treatment is crossed, pure water electricity in the first compartment and the corresponding inlet tank of third compartment of electric dialyzator
Conductance is 2.7us/cm, is passed through certain circulating cooling water of power plant sewerage in second compartment and the corresponding inlet tank of the 4th compartment, follows
Ring cooling water drainage sewage conductivity is 3950us/cm, calcium ion content 127mg/L, magnesium ion content 135mg/L, and sodium ion contains
Measure 562mg/L, chloride ion 814mg/L, sulfate radical 790mg/L.First compartment, second compartment, third compartment and the 4th compartment into
Water and water flow are 5m3/ h, electrodialysis water inlet pressure is respectively 2kpa, 3kpa, 2kpa and 3kpa.Electrodialysis is using permanent
Constant voltage mode of operation, operation voltage are 220V, and current range is 43~108A.The water outlet of second electric dialyzator is taken
Sample assay, Analysis Results of Water Quality are as follows: it is 1843us/cm, calcium ion content 1.7mg/L that first compartment water outlet, which is conductivity,
Magnesium ion content 0mg/L, sodium ions content 515mg/L, chloride ion 84mg/L, sulfate radical 857mg/L.Second compartment water outlet is dense
Water, conductivity 1382us/cm, calcium ion content 42mg/L, magnesium ion content 58mg/L, sodium ions content 205mg/L, chlorine
Ion 84mg/L, sulfate radical 427mg/L.Third compartment water outlet conductivity be 2098us/cm, calcium ion content 54mg/L, magnesium from
Sub- content 67mg/L, sodium ions content 247mg/L, chloride ion 587mg/L, sulfate radical 0.7mg/L.4th compartment water outlet conductivity
For 1882us/cm, calcium ion content 132mg/L, magnesium ion content 158mg/L, sodium ions content 75mg/L, chloride ion 92mg/
L, sulfate radical 857mg/L.The separation combination of calcium ion and sulfate ion is realized in the production water of first compartment and third compartment,
It avoids calcium sulfate and generates fouling in electric dialyzator.
Above-described embodiment and schema and non-limiting product form and style of the invention, any technical field it is common
The appropriate changes or modifications that technical staff does it all should be regarded as not departing from patent category of the invention.
Claims (9)
1. a kind of electric dialyzator, it is characterised in that: including anode plate, membrane stack (100), cathode plate and fixing seal membrane stack (100)
Pressure plate；The membrane stack (100) include the first film of multiple groups to the second film of (1) and identical quantity to (2)；Wherein the first film pair
(1) (2) are arranged alternately with the second film；
First film includes the partition (3) with compartment (31), the first cation-exchange membrane (11), the first anion to (1)
Exchange membrane (12)；The mode that (1) is arranged in first film are as follows: (3)-the first anion-exchange membrane (12) of partition-partition (3)-the first
Cation-exchange membrane (11)；
Second film includes the partition (3), the second cation-exchange membrane (21), the second anion-exchange membrane (22) to (2)；
The mode that (2) are arranged in second film are as follows: (3)-the second cation of (3)-the second anion-exchange membrane (22) of partition-partition is handed over
Change film (21)；
First film adjacent with the anode plate is cationic to a Monovalent selectivity is also equipped between (1) and the anode plate
Exchange membrane (4)；
To tool in (2), there are four compartment (31), four compartments to (1) and with the second film organized for first film described in each group
(31) has individual water stream channel respectively, each compartment (31) is connected to corresponding water supply by corresponding water stream channel
Water tank and water production tank.
2. a kind of electric dialyzator as described in claim 1, it is characterised in that: the partition (3) includes intermediate plate (32) and position
Support plate (33) in intermediate plate (32) two sides；It is the compartment (31) for being covered with filter (325) in the middle part of the intermediate plate (32), it is intermediate
The top and bottom of plate (32) are respectively equipped with the corresponding multiple gully-holes (321) of quantity same position；Positioned at the intermediate plate
(32) gully-hole (321) of side includes water flow hole (322) and intercommunicating pore (323)；The length of the intercommunicating pore (323) is small
Length in the water flow hole (322)；The intercommunicating pore (323) of each piece of intermediate plate (32) top and bottom is staggered；Institute
The top and bottom for stating intermediate plate (32) are respectively equipped with the identical runner of quantity (324), and described runner (324) one end is connected to its institute
The other end of compartment (31) in intermediate plate (32), the runner (324) is directed toward the intercommunicating pore (323) ipsilateral with it；
The first hole (331) for being connected to the compartment (31), the upper end of the support plate (33) are equipped in the middle part of the support plate (33)
Quantity and position and gully-hole (321) identical second hole (332), the size of the second hole (332) and the water are equipped with lower end
Discharge orifice (322) is identical；
The intercommunicating pore (323) of intermediate plate (32) upper end and with its two sides of intercommunicating pore (323) corresponding position second
Hole (332) constitutes apopore or the inlet opening of the partition (3)；The intercommunicating pore (323) of intermediate plate (32) lower end and with
The second hole (332) of its two sides of intercommunicating pore (323) corresponding position constitutes inlet opening or the apopore of the partition (3)；Position
The runner (324) in the intermediate plate (32) upper end or lower end is directed toward one end of its corresponding intercommunicating pore (323)
Between second hole (332) of support plate described in two sides (33)；The remainder of the runner (324) by two sides institute
State support plate (33) covering.
3. a kind of electric dialyzator as claimed in claim 2, it is characterised in that: be located at the intermediate plate (32) upside or downside
Multiple runners (324) from its corresponding described intercommunicating pore (323) towards the compartment of intermediate plate (32) where it
(31) it is arranged radially.
4. a kind of electric dialyzator as claimed in claim 3, it is characterised in that: runner described in each (324) is from the compartment
It (31) is arc-shaped to the turning point of its corresponding intercommunicating pore (323), arc radius is 5 to 10mm.
5. a kind of electric dialyzator as claimed in claim 4, it is characterised in that: each piece of intermediate plate (32) is located at lower end
The intercommunicating pore (323) is spaced a water flow hole with the intercommunicating pore (323) for being located at the intermediate plate (32) upper end
(322) it is staggered.
6. a kind of electric dialyzator as claimed in claim 5, it is characterised in that: be located at the runner of the compartment (31) two sides
(324) one end for being connected to the compartment (31) is evenly distributed on the intermediate plate (32), and the runner (324) is connected to the company
The other end of through-hole (323) is evenly distributed on the intermediate plate (32).
7. a kind of electric dialyzator as claimed in claim 5, it is characterised in that: runner described in each (324) width is equal, often
The width of one runner (324) is 0.5 to 2.5mm, and corresponding runner (324) quantity of each intercommunicating pore (323) is 5 to 15
Item.
8. a kind of electric dialyzator as claimed in claim 7, it is characterised in that: the intermediate plate (32) with a thickness of 0.3 to
1mm；The support plate (33) is with a thickness of 0.15 to 0.5mm.
9. a kind of electric dialyzator as claimed in claim 2, it is characterised in that: the institute of intermediate plate (32) upper end or lower end
The quantity for stating gully-hole (321) is 4n, and n is positive integer；The intercommunicating pore of intermediate plate (32) upper end or lower end
(323) quantity is n.
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|---|---|---|---|
| CN201810773400.4A CN109012201A (en) | 2018-07-14 | 2018-07-14 | A kind of electric dialyzator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810773400.4A CN109012201A (en) | 2018-07-14 | 2018-07-14 | A kind of electric dialyzator |
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| CN109012201A true CN109012201A (en) | 2018-12-18 |
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ID=64642400
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762954A (en) * | 2020-07-09 | 2020-10-13 | 江苏肯创环境科技股份有限公司 | High-salt-content wastewater treatment method |
| CN113929193A (en) * | 2020-06-29 | 2022-01-14 | 佛山市顺德区美的饮水机制造有限公司 | Water purification structure and water purification unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195375Y (en) * | 1994-05-26 | 1995-04-26 | 奚凤翔 | Equality phase ionic exchange diaphragm electric dialyzer |
| CN103723799A (en) * | 2013-12-23 | 2014-04-16 | 北京京润新技术发展有限责任公司 | Electrodialyzer and near-zero-release industrial wastewater recycling technique |
| CN204656347U (en) * | 2015-03-27 | 2015-09-23 | 金华市金秋环保水处理有限公司 | A kind of electrodialytic membranes pair |
| CN205999092U (en) * | 2016-08-30 | 2017-03-08 | 陕西华陆化工环保有限公司 | High salt special cycle electrodialysis plant |
| CN208856966U (en) * | 2018-07-14 | 2019-05-14 | 浙江大维高新技术股份有限公司 | A kind of electric dialyzator |
-
2018
- 2018-07-14 CN CN201810773400.4A patent/CN109012201A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195375Y (en) * | 1994-05-26 | 1995-04-26 | 奚凤翔 | Equality phase ionic exchange diaphragm electric dialyzer |
| CN103723799A (en) * | 2013-12-23 | 2014-04-16 | 北京京润新技术发展有限责任公司 | Electrodialyzer and near-zero-release industrial wastewater recycling technique |
| CN204656347U (en) * | 2015-03-27 | 2015-09-23 | 金华市金秋环保水处理有限公司 | A kind of electrodialytic membranes pair |
| CN205999092U (en) * | 2016-08-30 | 2017-03-08 | 陕西华陆化工环保有限公司 | High salt special cycle electrodialysis plant |
| CN208856966U (en) * | 2018-07-14 | 2019-05-14 | 浙江大维高新技术股份有限公司 | A kind of electric dialyzator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113929193A (en) * | 2020-06-29 | 2022-01-14 | 佛山市顺德区美的饮水机制造有限公司 | Water purification structure and water purification unit |
| CN111762954A (en) * | 2020-07-09 | 2020-10-13 | 江苏肯创环境科技股份有限公司 | High-salt-content wastewater treatment method |
| CN111762954B (en) * | 2020-07-09 | 2022-12-23 | 江苏肯创环境科技股份有限公司 | High-salt-content wastewater treatment method |
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