CN108330507A - A kind of diaphragm cell - Google Patents
A kind of diaphragm cell Download PDFInfo
- Publication number
- CN108330507A CN108330507A CN201810474327.0A CN201810474327A CN108330507A CN 108330507 A CN108330507 A CN 108330507A CN 201810474327 A CN201810474327 A CN 201810474327A CN 108330507 A CN108330507 A CN 108330507A
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- electrolyte layers
- sub
- anode
- tank house
- cathode
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/04—Diaphragms; Spacing elements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses a kind of diaphragm cells, have cap rock, electrolyte layers and bottom；Wherein, electrolyte layers use stacked design, are divided into several sub- electrolyte layers by diaphragm, the capacity of electrolytic cell is adjusted by increasing or decreasing the quantity of sub- electrolyte layers；Sub- electrolyte layers include frame, electrode slice and tank house；Frame is located on the outside of tank house；Electrode slice is connected on the inside of tank house with power supply；A grade item is provided in tank house, for changing the water (flow) direction entered inside tank house；Involved diaphragm cell in the present invention, has high current efficiency, low tank voltage demand, small energy consumption, to effectively reduce its production cost and use cost, is conducive to mass market application.
Description
Technical field
The present invention relates to electrolysis tech fields, and in particular to a kind of diaphragm cell.
Background technology
Electrolytic cell is usually made of groove body, anode and cathode, and majority is separated anode chamber and cathode chamber using diaphragm.By electricity
The difference of solution liquid is divided into aqueous solution electrolytic cell, fusion electrolysis slot and nonaqueous solution electrolysis slot three classes.When direct current passes through electrolysis
When slot, oxidation reaction occurs at anode and solution interface, reduction reaction occurs at cathode and solution interface, needed for producing
Product.The current efficiency of existing electrolytic cell product is relatively low, tank voltage demand is high, energy consumption is larger, causes its cost higher, is unfavorable for
Mass market application.
Invention content
For the shortcomings of the prior art, the present invention is directed to by the optimization design to cell construction, with
A kind of novel diaphragm cell is provided.
The present invention provides a kind of diaphragm cells, have cap rock, electrolyte layers and bottom；
The electrolyte layers use stacked design, several sub- electrolyte layers are divided by diaphragm, by increasing or decreasing son
The quantity of electrolyte layers adjusts the capacity of electrolytic cell；
The sub- electrolyte layers include frame, electrode slice and tank house；
The frame is located on the outside of tank house；
The electrode slice is connected on the inside of tank house with power supply；
It is provided with a grade item in the tank house, for changing the water (flow) direction entered inside tank house, makes flow and electrode
Contact is more abundant；
Wherein, it is communicated in electrolyte bath flow between the tank house of the sub- electrolyte layers of identical polar, the son of opposed polarity
It is obstructed in electrolyte bath flow between the tank house of electrolyte layers.
Preferably, the lower part of each sub- electrolyte layers middle frame is equipped with anode water inlet and cathode water inlet, top pair
It answers and is equipped with anode water outlet and cathode water outlet at position；The cap rock is equipped with corresponding with each entery and delivery port respectively
Four outlet passes；The outlet pass is sequentially connected to corresponding entery and delivery port in each sub- electrolyte layers.
Preferably, when the sub- electrolyte layers are anode electrolyte layers, anode water inlet and anode water outlet pass through respectively
Water-in and water-out duct is connected with tank house, and cathode water inlet and cathode water outlet are not connected to tank house；The sub- electrolyte layers are
When the sub- electrolyte layers of cathode, cathode water inlet and cathode water outlet are connected by water-in and water-out duct with tank house respectively, anode into
The mouth of a river and anode water outlet are not connected to tank house.
Preferably, it is equipped with washer on the outside of the tank house, on the inside of frame and on frame on the outside of each entery and delivery port,
To realize the independence of every sub- electrolyte layers；Wherein, the washer on the inside of each sub- electrolyte layers middle frame is located at the same side；It is described
Washer also is provided between cap rock and frame and between bottom and frame；The diaphragm area is more than tank house outer washer, and
Each entery and delivery port outer washer on frame inner washer and frame is not contacted.
Preferably, the sub- electrolyte layers of each anode by the anode in each sub- electrolyte layers being sequentially connected into and out of
It realizes and is associated with each other in the mouth of a river；The sub- electrolyte layers of each cathode by the cathode in each sub- electrolyte layers being sequentially connected into,
Water outlet realization is associated with each other.
Preferably, described shelves item or so is alternately distributed the both sides inside tank house；The shelves item positioned at bottom is set
In the water inlet duct in the top of tank house internal port, the shelves item for being located at the top is set to the water outlet duct in electricity
Solve the lower section of chamber interior port.
Preferably, the water-in and water-out duct in each sub- electrolyte layers is to be nested in one of lower portion or side by side
Multiple tubular structures；The depth of section of the tubular structure is the 50-70% of tank house thickness.
Preferably, the sub- electrolyte layers are the sub- electrolyte layers of anode being arranged alternately and the sub- electrolyte layers of cathode；The anode
Electrode slice in sub- electrolyte layers is connected with power anode；Electrode slice in the sub- electrolyte layers of cathode is connected with power cathode
It connects.
Preferably, the thickness of the tank house is 4-8mm；The shelves item and the angle of vertical direction are 70-85 degree,
The projected length of horizontal plane is the 60-90% of tank house floor projection distance；The quantity of the shelves item is at least one.
Preferably, the flow process of circulation is as follows in the sub- electrolyte layers of the anode：Flow from cap rock with anode water inlet
Corresponding outlet pass flows into, and by intaking, duct is injected in each anode electrolysis room, and after cell reaction, water flows through anode and goes out
The limbers outflow corresponding with anode water outlet from cap rock of water hole road, anode water outlet.
The beneficial effects of the invention are as follows：Involved diaphragm cell in the present invention, by groove body, water pipeline and
The reasonable setting of flow shelves item etc. in tank house makes electrolytic cell have high current efficiency, low tank voltage demand, small energy consumption, to
Its production cost and use cost are effectively reduced, mass market application is conducive to；
Specifically, it is 1) stacked by being designed as electrolyte layers, sub- electrolyte layers can be increased or decreased as needed
Quantity, so as to adjust the capacity of electrolytic cell；2) each on the outside of the tank house of each sub- electrolyte layers, on the inside of frame and on frame
It is equipped with washer on the outside of entery and delivery port and ensure that every sub- electrolyte layers are independent using nested type water-in and water-out pore passage structure
, while also similar sub- electrolyte layers are associated, i.e., each sub- electrolyte layers of anode are associated with each other, and each sub- electrolyte layers of cathode are each other
Association；3) catch equipped with specific position is passed through for changing tank house water flow inside direction with increasing flow in tank house
The contact surface and time of contact of water and electrode slice when tank house, to improve electrolytic efficiency.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the sub- electrolytic cell of anode；
Fig. 2 is the structural schematic diagram in water inlet duct and water outlet duct in sub- electrolyte layers；
Fig. 3 is the structural schematic diagram of diaphragm cell；
Wherein, 100- cap rocks, 200- bottoms, the sub- electrolyte layers of 300- anodes, 301- electrode slices, 302- anode electrolysis room,
303- anodes water inlet, 304- anodes water inlet duct, 305- anodes water outlet, 306- anodes water outlet duct, the water inlet of 307- cathodes
Mouth, 308- cathodes water outlet, 309- grades of items, 310- anode water outlets washer, 311- anode electrolysis room washer, 312- anode electricity
Solve layer frame washer, 313- frames, the sub- electrolyte layers of 400- cathodes, 401- cathodes water inlet, 402- cathodes water outlet, 403- cathodes
Water inlet duct, 404- cathodes water outlet duct, 405- anodes water inlet, 406- anodes water outlet, 500- diaphragms.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein are not discharged one or more
The presence or addition of a other elements or combinations thereof.
It is further illustrated the present invention below by way of specific embodiment.But the detail of embodiment is only used for explaining this hair
It is bright, it should not be construed as limited overall technical solution.
The present embodiment provides a kind of stacked diaphragm cell, the electrolytic cell by 100, bottoms 200 of a cap rock,
The sub- electrolyte layers 300 of one or more anodes, the sub- electrolyte layers 400 of one or more cathodes, one or more layers diaphragm 500, and with Fig. 2
Mode stacks installation in certain sequence, and the sub- electrolyte layers 300 of anode and the sub- electrolyte layers of cathode 400 is made to be arranged alternately, in hanging down when use
It directly puts, flow bottom in and top out.
In one embodiment, the thickness of the sub- electrolyte layers of anode 300 is 4~8mm, the thickness of the sub- electrolyte layers of cathode 400 is 4~
The thickness of 8mm, the two can be inconsistent；The sub- electrolyte layers 300 of anode include frame 313, electrode slice 301 and anode electrolysis room 302；
Wherein, frame 313 is preferably nonmetallic frame, and tank house 301 is set to inside frame 313, the position as mosaic electrode piece 301
It sets, provides environment for reaction, electrode slice 301 is embedded in the side of anode electrolysis room 302, the anode phase of electrode slice 301 and power supply
Connection.
Respectively there are two water inlet and two water outlets for the both sides up and down of frame 313, are respectively located at the sun of 313 lower section of frame
Pole water inlet 303 and cathode water inlet 307 are located at the anode water outlet 305 and cathode water outlet 308 of 313 top of frame；Anode
Water inlet 303 and anode water outlet 305 can be correspondingly arranged in the left or right side of frame 313；In the sub- electrolyte layers of anode 300,
Anode water inlet 303 on frame 313 is connected by anode water inlet duct 304 with anode electrolysis room 302, anode water outlet
305 are discharged duct 306 by anode is connected with anode electrolysis room 302, cathode water inlet 307 and cathode water outlet 308 with it is positive
Pole tank house 302 is not communicated with；Water-in and water-out duct can be one or multiple tubular structures side by side.
In one embodiment, as shown in figure 3, sub- 300 Anodic of the electrolyte layers water inlet duct 304 of anode and anode are discharged duct
306 be a tubular structure, and cathode water inlet duct 403 and cathode water outlet duct 404 are multiple side by side in the sub- electrolyte layers 400 of cathode
Tubular structure, the depth of section in water-in and water-out duct are the 50%~70% of tank house thickness；It is cloudy in the sub- electrolyte layers of anode 300
Pole water inlet 307 and cathode water outlet 308 are without connection water-in and water-out pore passage structure；In the sub- electrolyte layers of cathode 400, anode into
The mouth of a river 405 and anode water outlet 406 are without connection water-in and water-out pore passage structure.
In one embodiment, flow shelves item 309 is equipped in anode electrolysis room 301, flow blend stop 309 or so is alternately distributed
In 302 both sides of tank house, for changing tank house water flow inside direction, increase water and electrode slice 301 when flow passes through tank house
Contact surface and time of contact, the flow blend stop 309 of lower section first be located at anode intake duct 304 in tank house internal port
Top, last root flow blend stop of top are located at anode water outlet duct 306 lower section, and blend stop 309 and vertical direction included angle A be 70~
85 degree, be the 60%~90% of 302 floor projection distance of tank house in the projected length of horizontal plane, and the quantity of blend stop 309 is 1
Or more；The vertical range B of adjacent two blend stops 309 of heteropleural should be greater than 309 upright projection distance of blend stop.
In one embodiment, the diaphragm washers around tank house are equipped on the outside of tank house and on the inside of entery and delivery port, i.e., it is positive
Pole tank house washer 311 or catholyte chamber's washer；There is a frame washer on the outside of entery and delivery port and on the outside of diaphragm washers, i.e.,
The sub- electrolyte layers frame washer 312 of anode or the sub- electrolyte layers frame washer of cathode；All entery and delivery ports have the pad for being centered around outside
Circle, such as anode water outlet washer 310；Wherein, all washers are located at the side of sub- electrolyte layers frame, and are the same side, can
Positioned at front side or rear side.
The constitution principle of each structure in the sub- electrolyte layers of cathode 400 is identical as each structure in the sub- electrolyte layers 300 of anode, cloudy
Extremely sub- 400 Anodic water inlet 405 of electrolyte layers, anode water outlet 406, cathode water inlet 401, position residing for cathode water outlet 402
Set it is corresponding consistent to each section in the sub- electrolyte layers 300 of anode, it is consistent in the sub- electrolyte layers 300 of direction residing for all washers and anode；
Wherein, cathode water inlet duct 403 and cathode go out in cathode water inlet 401 and cathode water outlet 402 in the sub- electrolyte layers 400 of cathode
Water hole road 404, structure is similar to the sub- electrolyte layers Anodic water inlet duct 304 of anode and anode water outlet duct 306, the electrolysis of cathode
Without water-in and water-out pore passage structure in 400 Anodic water inlet 405 of layer and anode water outlet 406.
Cap rock 100 be equipped with respectively with frame Anodic water inlet, anode water outlet, cathode water inlet and cathode water outlet
Corresponding outlet pass；In one embodiment, the washer 311 in the sub- electrolyte layers 300 of anode on tank house 302 is located at cap rock 100
Direction, then 100 rear side of cap rock is not necessarily to installation frame washer, conversely, a frame washer, structure then need to be set in 100 rear side of cap rock
It is consistent with the frame washer 311 in anode electrolysis room 302；In another embodiment, in 200 front side of bottom, anode electrolysis room 302
On washer be located at front side, then need to set a frame washer, structure and the frame in anode electrolysis room 302 in the front side of bottom 200
Washer 311 is similar, on the contrary then be not required to.
The mounting means of stacked diaphragm cell is：
Bottom 200 is located at rear side, before the sub- electrolyte layers 300 of anode and the sub- electrolyte layers 400 of cathode are alternately positioned over bottom 200
A piece of diaphragm 500, preferably amberplex, ion are placed in side between the sub- electrolyte layers 300 of anode and the sub- electrolyte layers of cathode 400
Exchange membrane size is slightly larger than diaphragm washers, i.e. anode electrolysis room washer 311, and is not exposed to frame washer 312 and entery and delivery port
The quantity of washer, the sub- electrolyte layers 300 of anode and the sub- electrolyte layers of cathode 400 is one or more, finally places cap rock in most front side
100, the modes such as most handy screw, glue, hot pressing will be electrolysed groove edge and compress, fix or shut.
The process of circulation of the sub- electrolyte layers of the anode of water in a cell 300 is：
Limbers injection of the water through being connected with anode water inlet 303 or 405 on cap rock 100, by anode water inlet duct
304 flow into anode electrolysis room 302；After electrolysis, water is flowed into through anode water outlet duct 306 to anode water outlet 305 or 406, is led to
Cross limbers outflow corresponding with anode water outlet on cap rock 100；In the process, the water in anode electrolysis room 302 will not flow
Enter to the tank house in the sub- electrolyte layers of cathode 400.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With.It can be applied to various suitable the field of the invention completely.It for those skilled in the art, can be easily
Realize other modification.Therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and embodiment shown here.
Claims (10)
1. a kind of diaphragm cell, which is characterized in that have cap rock, electrolyte layers and bottom；
The electrolyte layers use stacked design, and the sub- electrolyte layers of several anodes and the sub- electrolyte layers of cathode are divided by diaphragm, lead to
It crosses and increases or decreases the quantity of sub- electrolyte layers to adjust the capacity of electrolytic cell；
The sub- electrolyte layers include frame, electrode slice and tank house；
The frame is located on the outside of tank house；
The electrode slice is connected on the inside of tank house with power supply；
It is provided with a grade item in the tank house, for changing the water (flow) direction entered inside tank house, flow is made to be contacted with electrode
More fully；
Wherein, it is communicated in electrolyte bath flow between the tank house of the sub- electrolyte layers of identical polar, the son electrolysis of opposed polarity
It is obstructed in electrolyte bath flow between the tank house of layer.
2. electrolytic cell according to claim 1, which is characterized in that the lower part of each sub- electrolyte layers middle frame is equipped with anode
Water inlet and cathode water inlet, top corresponding position are equipped with anode water outlet and cathode water outlet；The cap rock, which is equipped with, to be divided
Four outlet passes not corresponding with each entery and delivery port；The outlet pass and corresponding entery and delivery port in each sub- electrolyte layers are suitable
Secondary connection.
3. electrolytic cell according to claim 2, which is characterized in that when the sub- electrolyte layers are anode electrolyte layers, anode
Water inlet and anode water outlet are connected by water-in and water-out duct with tank house respectively, cathode water inlet and cathode water outlet with
Tank house is not connected to；When the sub- electrolyte layers are cathode electrolyte layers, cathode water inlet and cathode water outlet respectively by into and out of
Water hole road is connected with tank house, and anode water inlet and anode water outlet are not connected to tank house.
4. electrolytic cell according to claim 3, which is characterized in that on the outside of the tank house, on the inside of frame and on frame
It is equipped with washer on the outside of each entery and delivery port, to realize the independence of every sub- electrolyte layers；Wherein, each sub- electrolyte layers center
Washer on the inside of frame is located at the same side；It also is provided with washer between the cap rock and frame and between bottom and frame；It is described every
Membrane area is more than tank house outer washer, and does not contact each entery and delivery port outer washer on frame inner washer and frame.
5. electrolytic cell according to claim 3, which is characterized in that each sub- electrolyte layers of anode are sequentially connected to by described
Each sub- electrolyte layers on anode entery and delivery port realization be associated with each other；The sub- electrolyte layers of each cathode are sequentially connected by described
Cathode entery and delivery port realization in logical each sub- electrolyte layers is associated with each other.
6. electrolytic cell according to claim 3, which is characterized in that described shelves item or so is alternately distributed two inside tank house
Side；The water inlet duct is set in the top of tank house internal port positioned at the shelves item of bottom, is located at the institute of the top
Grade item is stated set on the water outlet duct in the lower section of tank house internal port.
7. electrolytic cell according to claim 3, which is characterized in that the water-in and water-out duct in each sub- electrolyte layers is embedding
It is placed on one of lower portion or side by side multiple tubular structures；The depth of section of the tubular structure is tank house thickness
50-70%.
8. electrolytic cell according to claim 1, which is characterized in that the sub- electrolyte layers are the anode electrolysis being arranged alternately
Layer and the sub- electrolyte layers of cathode；Electrode slice in the sub- electrolyte layers of anode is connected with power anode；The sub- electrolyte layers of cathode
In electrode slice be connected with power cathode.
9. electrolytic cell according to claim 1, which is characterized in that the thickness of the tank house is 4-8mm；The shelves item with
The angle of vertical direction is 70-85 degree, in the 60-90% that the projected length of horizontal plane is tank house floor projection distance；It is described
The quantity of shelves item is at least one.
10. electrolytic cell according to claim 3, which is characterized in that the flow process of circulation is such as in the sub- electrolyte layers of anode
Under：Flow outlet pass corresponding with anode water inlet from cap rock flows into, and by intaking, duct is injected in each anode electrolysis room,
After cell reaction, water flows through anode water outlet duct, anode water outlet limbers corresponding with anode water outlet from cap rock
Outflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474327.0A CN108330507A (en) | 2018-05-17 | 2018-05-17 | A kind of diaphragm cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474327.0A CN108330507A (en) | 2018-05-17 | 2018-05-17 | A kind of diaphragm cell |
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| Publication Number | Publication Date |
|---|---|
| CN108330507A true CN108330507A (en) | 2018-07-27 |
Family
ID=62935157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810474327.0A Pending CN108330507A (en) | 2018-05-17 | 2018-05-17 | A kind of diaphragm cell |
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| CN (1) | CN108330507A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030007A (en) * | 2020-09-08 | 2020-12-04 | 江苏中南锂业有限公司 | Electrochemical desorption method salt lake lithium extraction is with desorption groove cell body structure |
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| CN208472196U (en) * | 2018-05-17 | 2019-02-05 | 邓剑军 | A kind of diaphragm cell |
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| US4149952A (en) * | 1975-04-15 | 1979-04-17 | Asahi Glass Co. Ltd. | Electrolytic cell |
| CN1054803A (en) * | 1990-02-15 | 1991-09-25 | 旭硝子株式会社 | Monopolar ion exchange membrane electrolytic cell assembly |
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