CN208218473U - A kind of total closed type capacitive deionization desalter - Google Patents
A kind of total closed type capacitive deionization desalter Download PDFInfo
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- CN208218473U CN208218473U CN201820092161.1U CN201820092161U CN208218473U CN 208218473 U CN208218473 U CN 208218473U CN 201820092161 U CN201820092161 U CN 201820092161U CN 208218473 U CN208218473 U CN 208218473U
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Abstract
The utility model relates to a kind of total closed type capacitive deionization desalters.Its technical solution is: n positive plate (2) and n negative plate (5) mutually stagger and are placed as column, and positive plate (2) and negative plate (5) differ 180 ° of arrangements.Positive plate (2), negative plate (5) and seal washer (4) fastening are whole, by the structure composition in electrode slice (6) and filter (7) insertion electrode frame (8), two sides of rectangle pole plate (11) are coated with reactive coating (9) for positive plate (2) and negative plate (5).The diagonal angle of electrode frame (8) be respectively equipped with main apopore (15) and main inlet opening (16) and its it is corresponding separate water hole (14) and point inlet opening (17), another angle of electrode frame (8) is provided with rectangular electrode through-hole (12) along the bottom of rectangular channel (13) outwardly.The utility model regeneration period is controllable, salt rejection rate is stable and the electrode slice service life is long.
Description
Technical field
The utility model belongs to capacitive deionization desalter technical field.More particularly to a kind of total closed type capacitor go from
Sub- desalter.
Background technique
According to statistics, China's gross amount of water resources is 2.8 tcms, though occupy the 6th, the world.But China occupancy volume per person
2200 cubic metres, poor-water country is set to by the United Nations.China's Available water resources are about 8000 ~ 9000 billion cubic meters, until 2006
Year, water total amount estimation in China's is about 7000 ~ 8000 billion cubic meters, has been approached the upper limit of utilized water resources, increasingly in face of China
The sustainable development of serious the contradiction of supply and demand for the water resource, water resource is urgently to be resolved.Solving shortage of water resources at present mainly has
Two approach: it is recycled first is that sewage recycling uses existing sewage after a series of processing；Second is that freshwater resources are opened up,
I.e. to the desalination of brackish water in seawater and brackish water, industrial production etc., the fresh water for human use is obtained.
Capacitive deionization (Capacitive Deionization, CDI) desalting technology is to utilize aqueous solution and electrode surface
Form the band ionization that electric double layer capacitance (Electric Double Layer Capacitors, EDLCs) comes in adsorption aqueous solution
Son, to remove the salinity in water.It is different from traditional technique of desalinating saline water, capacitive deionization technology be having any different property will
The solute ions extraction that relative quantity is less in brackish water is separated, rather than the biggish solvent water molecules of relative quantity to from
It is separated in the brackish water of reason.
Current capacitive deionization desalter is to be placed at least a pair of capacitive deionization electrode being placed in parallel admittedly
In the groove of fixed spacing, water flow is made to flow through capacitive deionization desalter.Water distribution form use baffling water distribution, i.e., water first pass through into
The electrode slice of water side first, by deflector water conservancy diversion proceeding through second electrode slice, sequentially into the last one electricity of water outlet side
Pole piece.The water distribution manner makes inconsistent (the influent side ion concentration highest, when the first plate electrode saturation is adsorbed of electrode operating condition
Between it is most short, water outlet side ion concentration is minimum, last a piece of to reach electrode saturated adsorption time longest), electrode saturated adsorption time
Also inconsistent, the regeneration period is difficult to determine, and salt rejection rate is unstable.In addition, due to existing capacitive deionization desalter size
It is fixed, and the groove spacing of fixed electrode therein is also fixation, so that device desalting ability and scalability are poor.Separately have
The water distributing pore of capacitive deionization desalter is on electrode plate, the relative reduction effective area of electrode, and water flow continues directly
It connects and washes away electrode water distributing pore, will lead to active constituent and comparatively fast fall off, make electrode failure.
Summary of the invention
The utility model is intended to overcome prior art defect, and it is an object of the present invention to provide a kind of regeneration period is controllable, salt rejection rate is steady
Fixed, the strong and with long service life total closed type capacitive deionization desalter of scalability.
Described device that in order to achieve the above purposes, the technical solution adopted by the utility model is: by stud, positive plate,
Compress solid lock plate, seal washer and negative plate composition.
nA positive plate andnA negative plate, which mutually staggers, is placed as column, and the both ends of the column, which are equipped with, compresses solid lock
Plate is compressing between solid lock plate and positive plate, is being equipped with gasket between negative plate and compression solid lock plate between positive plate and negative plate
Circle.Two compression solid lock plates will by studnA positive plate,nA negative plate and 2n+1 seal washer fastening is whole；
WhereinnFor 3 ~ 30 natural number.
Centered on two cornerwise intersection points for compressing solid lock plate, the positive plate and negative plate differ 180 ° of arrangements.n
A positive plate forms positive electrode group, and positive electrode group is connect with positive pole,nA negative plate forms negative electrode group, negative electrode group with
Power cathode connection.
Positive plate is identical with anode plate, and positive plate and negative plate are made of electrode slice, filter and electrode frame.
The electrode slice is the entirety that bar shaped terminal plate and rectangle pole plate form, and two sides of the rectangle pole plate are uniform
Ground is coated with reactive coating.
The electrode frame be it is rectangular box-like, four medial surfaces of electrode frame are provided with rectangular channel, the depth of the rectangular channel
For δ, the width of rectangular channel is the thickness of rectangle pole plate and the sum of the thickness of 2 filters；The inside casing of electrode frame is having a size of rectangle pole
The difference of plate outer dimension and 2 δ.
Two angles of the electrode frame are respectively equipped with main apopore and main inlet opening, and main apopore and main inlet opening are located at electricity
On the diagonal line of pole frame, also respectively correspondingly it is provided with along the diagonal line and separates water hole and point inlet opening.The water hole of separating
The central axis of center line and main apopore, described one end for separating water hole are communicated with main apopore, separate the another of water hole
End is communicated with rectangular channel；The central axis of the center line of described point of inlet opening and main inlet opening, described one end for dividing inlet opening
It is communicated with main inlet opening, the other end of point inlet opening is communicated with rectangular channel.
It is provided with rectangular electrode through-hole outwardly along the bottom of the rectangular channel, the rectangular electrode through-hole is located at the another of electrode frame
At the position at one angle.
The shape of the filter is rectangle, and the outer dimension of filter is identical as the outer dimension of rectangle pole plate.Such as Fig. 4 and figure
Shown in 5, electrode slice two sides are glued with filter respectively, and filter and electrode slice are embedded in the rectangular channel of electrode frame, the bar shaped of electrode slice
Terminal plate passes through the rectangular electrode through-hole of electrode frame.
The flat shape of the seal washer and the flat shape of electrode frame are identical, the main apopore that seal washer is equipped with and
The position of main inlet opening is identical as the position of the corresponding main apopore of electrode frame and main inlet opening.
The material of the seal washer is silica gel or is rubber.
The material for compressing solid lock plate is one of acrylic board, stainless steel plate and aluminium alloy plate.
The material of the filter is nylon or is polyethylene, and the grid of the filter is network or is square net.
The material of the electrode frame is in acrylic, industrial plastic (ABS), polyethylene, polypropylene and hot-melt polyester resin
One kind.
The reactive coating is one of active powdered carbon, carbon nanotube and graphene.
The material of the electrode slice is one of graphite, aluminium, nickel and titanium.
The utility model by stud by 2 compression solid lock plates,nA positive plate,nA negative plate and 2n+1 sealing
Washer fastening is entirety,nA positive plate andnMain inlet opening on a negative plate, which connects together, constitutes main inlet channel, to be processed
Brine pump becomes owner of inlet channel, then passes throughnA point of inlet opening flows to electrode slice, and filter is uniformly distributed the salt water on electrode slice.This
Device is separately connected the bar shaped terminal plate in positive board group and cathode board group by conducting wire, by additional power source, to positive board group
Apply voltage with cathode board group, forms electric field between positive plate and negative plate.Under electric field action, charged ion is fixed to electrode slice
To movement, the reactive coating on electrode slice adsorbs the ion in salt water to be processed, and treated, and water is led by separating water hole inflow
Apopore, fromnA main apopore is formed by main water outlet outflow, to realize the mesh for carrying out desalination to salt water to be processed
's.
Due to the adoption of the above technical scheme, the utility model has following good effect compared with prior art:
1, the positive plate that the utility model uses is identical with anode plate, can be mass；The utility model can also root
According to the quantity for handling water, the salt concentration for handling water and water outlet requirement adjustment positive plate and negative platen, scalability is strong.
2, the positive plate in the utility model (or negative plate) keeps electrode slice and filter group integral by electrode frame, structure
Stablize.The rectangle pole plate of filter and electrode slice is in close contact, and is played a protective role, is prevented to the reactive coating surface of rectangle pole plate
The direct continuous erosion rectangle polar board surface of water flow, salt rejection rate stabilization and long service life.
3, the utility model adjusts the aperture of main apopore and main inlet opening according to the characteristic of salt water to be processed, to adjust
The water flow velocity on whole electrode slice surface.It also can be in the identical situation of operation voltage, by adjusting the thickness of electrode frame, to change electricity
Electric field strength between pole piece keeps the regeneration period controllable to adjust the force-bearing situation of salt water intermediate ion.
4, the utility model water distribution is uniform, no blind spot, and electrode slice applying working condition is consistent, and desalting efficiency greatly improves.Master goes out
Water hole and main inlet opening are arranged in electrode frame, water flow will not be made directly to wash away reactive coating, the service life good to electrode slice protectiveness
It is long.
Therefore, the utility model has the spy that the regeneration period is controllable, salt rejection rate is stable, scalability is strong and the electrode slice service life is long
Point.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of positive plate 2 or negative plate 5 in Fig. 1；
Fig. 4 is the B-B schematic cross-sectional view of Fig. 3；
Fig. 5 is the partial enlargement diagram of I in 4；
Fig. 6 is the schematic shapes of electrode slice 6 in Fig. 3 and Fig. 4；
Fig. 7 is the schematic cross-sectional view of electrode frame 8 in Fig. 3；
Fig. 8 is the schematic diagram of filter 7 in Fig. 3.
Specific embodiment
The utility model will be further described with reference to the accompanying drawings and detailed description, not to its protection scope
Limitation.
Embodiment 1
A kind of total closed type capacitive deionization desalter.As depicted in figs. 1 and 2, described device by stud 1, just
Pole plate 2 compresses solid lock plate 3, seal washer 4 and the composition of negative plate 5.
As depicted in figs. 1 and 2,3 positive plate 2 and 3 negative plates 5, which mutually stagger, is placed as column, the column
Both ends be equipped with and compress solid lock plate 3, compress between solid lock plate 3 and positive plate 2, between positive plate 2 and negative plate 5 and negative plate 5 with
Seal washer 4 is equipped between compression solid lock plate 3.Two compression solid lock plates 3 pass through stud 1 for 3 positive plates, 2,3 cathode
The fastening of plate 5 and 7 seal washer 4 is whole.
As depicted in figs. 1 and 2, centered on two cornerwise intersection points for compressing solid lock plate 3, the positive plate 2 and negative
Pole plate 5 differs 180 ° of arrangements.3 positive plates 2 form positive electrode group, and positive electrode group is connect with positive pole, and 35 groups of negative plate
At negative electrode group, negative electrode group is connect with power cathode.
As shown in Fig. 3, Fig. 4 and Fig. 5, positive plate 2 is identical with 5 structure of negative plate, and positive plate 2 and negative plate 5 are by electrode
Piece 6, filter 7 and electrode frame 8 form.
As shown in fig. 6, the electrode slice 6 is the entirety that bar shaped terminal plate 10 and rectangle pole plate 11 form, the rectangle pole
Two sides of plate 11 are evenly coated with active coating 9.
As shown in fig. 7, the electrode frame 8 be it is rectangular box-like, four medial surfaces of electrode frame 8 are provided with rectangular channel 13, institute
The depth for stating rectangular channel 13 is δ, and the width of rectangular channel 13 is the thickness of rectangle pole plate 11 and the sum of the thickness of 2 filters 7；Electrode
Difference of the inside casing of frame 8 having a size of rectangle pole plate 11 outer dimension and 2 δ.
As shown in fig. 7, two angles of the electrode frame 8 are respectively equipped with main apopore 15 and main inlet opening 16, main apopore
15 and main inlet opening 16 be located on the diagonal line of electrode frame 8, be also respectively correspondingly provided with along the diagonal line and separate 14 He of water hole
Divide inlet opening 17.The central axis of the center line for separating water hole 14 and main apopore 15, it is described to separate the one of water hole 14
End is communicated with main apopore 15, and the other end for separating water hole 14 is communicated with rectangular channel 13；The center line of described point of inlet opening 17 with
The central axis of main inlet opening 16, one end of described point of inlet opening 17 are communicated with main inlet opening 16, divide the another of inlet opening 17
End is communicated with rectangular channel 13.
It is provided with rectangular electrode through-hole 12 outwardly along the bottom of the rectangular channel 13, the rectangular electrode through-hole 12 is located at electrode
At the position at another angle of frame 8.
As shown in figure 8, the shape of the filter 7 is rectangle, the outer dimension of filter 7 and the outer dimension of rectangle pole plate 11
It is identical.As shown in Figure 4 and Figure 5,6 two sides of electrode slice are glued with filter 7 respectively, and filter 7 and electrode slice 6 are embedded in the square of electrode frame 8
In shape slot 13, the bar shaped terminal plate 10 of electrode slice 6 passes through the rectangular electrode through-hole 12 of electrode frame 8.
The flat shape of the seal washer 4 is identical as the flat shape of electrode frame 8, the main water outlet that seal washer 4 is equipped with
The position of hole and main inlet opening is identical as the position of the corresponding main apopore 15 of electrode frame 8 and main inlet opening 16.
The material of the seal washer 4 is silica gel.
The material for compressing solid lock plate 3 is acrylic board.
The material of the filter 7 is nylon, and the grid of the filter 7 is network.
The material of the electrode frame 8 is acrylic.
The reactive coating 9 is active powdered carbon.
The material of the electrode slice 6 is graphite.
Embodiment 2
A kind of total closed type capacitive deionization desalter.The present embodiment is in addition to following technical parameters, remaining same embodiment
1:
nA 2 He of positive platenA negative plate 5, which mutually staggers, is placed as column, and the both ends of the column, which are equipped with, to be compressed admittedly
Jam plate 3 is being compressed between solid lock plate 3 and positive plate 2, is being all provided between negative plate 5 and compression solid lock plate 3 between positive plate 2 and negative plate 5
There is seal washer 4.Two compression solid lock plates 3 will by stud 1nA positive plate 2,nA negative plate 5 and 2n+1 gasket
4 fastening of circle is whole；WhereinnFor 4 ~ 30 natural number.
Centered on two cornerwise intersection points for compressing solid lock plate 3, the positive plate 2 and negative plate 5 differ 180 ° of cloth
It sets；nA positive plate 2 forms positive electrode group, and positive electrode group is connect with positive pole,nA negative plate 5 forms negative electrode group, negative electricity
Pole group is connect with power cathode.
The material of the seal washer 4 is rubber.
The material for compressing solid lock plate 3 is one of stainless steel plate and aluminium alloy plate.
The material of the filter 7 is polyethylene, and the grid of the filter 7 is square net.
The material of the electrode frame 8 is one of industrial plastic ABS, polyethylene, polypropylene and hot-melt polyester resin.
The reactive coating 9 is one of carbon nanotube and graphene.
The material of the electrode slice 6 is one of aluminium, nickel and titanium.
Present embodiment by stud 1 by 2 compression solid lock plates 3,nA positive plate 2,nA negative plate 5 and 2n +1 fastening of seal washer 4 is entirety,nA 2 He of positive platenMain inlet opening 16 on a negative plate 5 connect together constitute it is main into
Water channel, brine pump to be processed becomes owner of inlet channel, then passes throughnA point of inlet opening 17 flows to electrode slice 6, and filter 7 makes on electrode slice 6
Salt water be uniformly distributed.The present apparatus is separately connected the bar shaped terminal plate 10 in positive board group and cathode board group by conducting wire, passes through
Additional power source applies voltage to positive board group and cathode board group, forms electric field between positive plate 2 and negative plate 5.In electric field action
Under, for charged ion to 6 displacement of electrode slice, the reactive coating 9 on electrode slice 6 adsorbs the ion in salt water to be processed, handles
Water afterwards flows into main apopore 15 by separating water hole 14, fromnA main apopore 15 is formed by main water outlet outflow, thus real
The purpose of desalination is now carried out to salt water to be processed.
Present embodiment has following good effect compared with prior art:
1, the positive plate 2 that present embodiment uses is identical with 5 structure of negative plate, can be mass；This specific implementation
Mode can also be according to the quantity for handling water, the salt concentration for handling water and water outlet requirement adjustment positive plate 2 and negative plate 5n, expand
Malleability is strong.
2, the positive plate 2 (or negative plate 5) in present embodiment forms electrode slice 6 and filter 7 by electrode frame 8
It is whole, stable structure.The rectangle pole plate 11 of filter 7 and electrode slice 6 is in close contact, to 9 surface of reactive coating of rectangle pole plate 11
It plays a protective role, prevents direct 11 surface of continuous erosion rectangle pole plate of water flow, salt rejection rate stabilization and long service life.
3, present embodiment adjusts the hole of main apopore 15 and main inlet opening 16 according to the characteristic of salt water to be processed
Diameter, to adjust the water flow velocity on 6 surface of electrode slice.It also can be in the identical situation of operation voltage, by adjusting the thickness of electrode frame 8
Degree, to change the electric field strength between electrode slice 6, to adjust the force-bearing situation of salt water intermediate ion, keeps the regeneration period controllable.
4, present embodiment water distribution is uniform, no blind spot, and 6 applying working condition of electrode slice is consistent, and desalting efficiency greatly improves.
Main apopore 15 and main inlet opening 16 are arranged in electrode frame 8, and water flow will not be made directly to wash away reactive coating 9, protect to electrode slice 6
Shield property is good, and the service life is long.
Therefore, present embodiment is with the regeneration period is controllable, salt rejection rate is stable, scalability is strong and the electrode slice service life is long
The characteristics of.
Claims (3)
1. a kind of total closed type capacitive deionization desalter, it is characterised in that described device is by stud (1), positive plate
(2), solid lock plate (3), seal washer (4) and negative plate (5) composition are compressed；
N positive plate (2) and n negative plate (5) mutually stagger and are placed as column, and the both ends of the column, which are equipped with, to be compressed admittedly
Jam plate (3) is compressing between solid lock plate (3) and positive plate (2), between positive plate (2) and negative plate (5) and negative plate (5) and compression
Seal washer (4) are equipped between solid lock plate (3)；Two compression solid lock plates (3) pass through stud (1) for n positive plate (2), n
A negative plate (5) and 2n+1 seal washer (4) fastening are whole；The wherein natural number that n is 3~30；
Centered on two cornerwise intersection points for compressing solid lock plate (3), the positive plate (2) and negative plate (5) differ 180 °
Arrangement；N positive plate (2) forms positive electrode group, and positive electrode group is connect with positive pole, and n negative plate (5) forms negative electrode
Group, negative electrode group are connect with power cathode；
Positive plate (2) is identical with negative plate (5) structure, positive plate (2) and negative plate (5) by electrode slice (6), filter (7) and
Electrode frame (8) composition；
The entirety that the electrode slice (6) is bar shaped terminal plate (10) and rectangle pole plate (11) forms, the rectangle pole plate (11)
Two sides are evenly coated with active coating (9)；
The electrode frame (8) be it is rectangular box-like, four medial surfaces of electrode frame (8) are provided with rectangular channel (13), the rectangular channel
(13) depth is δ, and the width of rectangular channel (13) is the thickness of rectangle pole plate (11) and the sum of the thickness of 2 filters (7)；Electrode
Difference of the inside casing having a size of rectangle pole plate (11) outer dimension and 2 δ of frame (8)；
Two angles of electrode frame (8) are respectively equipped with main apopore (15) and main inlet opening (16), main apopore (15) and main water inlet
Hole (16) is located on the diagonal line of electrode frame (8), be also respectively correspondingly provided with along the diagonal line separate water hole (14) and point into
Water hole (17)；The central axis of the center line for separating water hole (14) and main apopore (15), it is described to separate water hole (14)
One end communicated with main apopore (15), the other end for separating water hole (14) is communicated with rectangular channel (13)；Described point of inlet opening
(17) central axis of center line and main inlet opening (16), described one end for dividing inlet opening (17) and main inlet opening (16) phase
Logical, the other end of point inlet opening (17) is communicated with rectangular channel (13)；
It is provided with outwardly rectangular electrode through-hole (12) along the bottom of the rectangular channel (13), the rectangular electrode through-hole (12) is located at electricity
At the position at another angle of pole frame (8)；
The shape of the filter (7) is rectangle, and the outer dimension of filter (7) is identical as the outer dimension of rectangle pole plate (11)；Electricity
Pole piece (6) two sides are glued with filter (7) respectively, in the rectangular channel (13) of filter (7) and electrode slice (6) insertion electrode frame (8), electricity
The bar shaped terminal plate (10) of pole piece (6) passes through the rectangular electrode through-hole (12) of electrode frame (8)；
The flat shape of the seal washer (4) is identical as the flat shape of electrode frame (8), and the master that seal washer (4) is equipped with goes out
The position phase of the position of water hole and main inlet opening and electrode frame (8) corresponding main apopore (15) and main inlet opening (16)
Together.
2. total closed type capacitive deionization desalter according to claim 1, it is characterised in that the net of the filter (7)
Lattice are network or are square net.
3. total closed type capacitive deionization desalter according to claim 1, it is characterised in that the reactive coating (9)
For one of active powdered carbon, carbon nanotube and graphene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092161.1U CN208218473U (en) | 2018-01-19 | 2018-01-19 | A kind of total closed type capacitive deionization desalter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092161.1U CN208218473U (en) | 2018-01-19 | 2018-01-19 | A kind of total closed type capacitive deionization desalter |
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| Publication Number | Publication Date |
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| CN208218473U true CN208218473U (en) | 2018-12-11 |
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ID=64533540
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820092161.1U Expired - Fee Related CN208218473U (en) | 2018-01-19 | 2018-01-19 | A kind of total closed type capacitive deionization desalter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046385A (en) * | 2018-01-19 | 2018-05-18 | 武汉科技大学 | A kind of total closed type capacitor deionizing instrument |
-
2018
- 2018-01-19 CN CN201820092161.1U patent/CN208218473U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046385A (en) * | 2018-01-19 | 2018-05-18 | 武汉科技大学 | A kind of total closed type capacitor deionizing instrument |
| CN108046385B (en) * | 2018-01-19 | 2023-11-21 | 武汉科技大学 | Full-closed capacitor deionizing device |
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