CN113929194B - Water treatment device - Google Patents
Water treatment device Download PDFInfo
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- CN113929194B CN113929194B CN202010606207.9A CN202010606207A CN113929194B CN 113929194 B CN113929194 B CN 113929194B CN 202010606207 A CN202010606207 A CN 202010606207A CN 113929194 B CN113929194 B CN 113929194B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—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
- C02F1/4695—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis electrodeionisation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The invention provides a water treatment device, comprising: a plurality of groups of membrane stacks are formed in the treatment cavity group, and each group of membrane stacks comprises two adjacent first treatment chambers and second treatment chambers; the two electrodes with different polarities are respectively arranged at two sides of the processing cavity group, wherein the fluid flow directions in the first processing chamber and the second processing chamber in each group of film stacks are opposite, and the first processing chamber in one group of film stacks close to one electrode is communicated with the first processing chamber and the second processing chamber in the other group of film stacks close to the other electrode. According to the technical scheme, the plurality of groups of membrane stacks are connected in series to form the serial waterway, and the flow directions of fluid of the two treatment chambers in each group of membrane stacks are limited to be opposite, so that when water is purified, fresh water after first treatment can flow to the next membrane stack, on one hand, the desalination rate can be improved, on the other hand, the concentration difference between the two treatment chambers can be effectively reduced, further, the adverse effect of osmotic pressure on purification of a waterway system is reduced, and the purification effect can be effectively improved.
Description
Technical Field
The invention relates to the field of water purification, in particular to a water treatment device.
Background
The domestic water purifier generally adopts active carbon or external filter to realize the removal of aquatic impurity, however in real life, active carbon and filter all belong to consumptive material class, and the user often has to additionally expend owing to need change the consumptive material, influences the use of product, and among the prior art, some water purification equipment adopts electrodialysis technique to realize purifying, nevertheless in the course of the work, the concentration of waste water is great, can take place the water route scale deposit, and equipment very easily takes place to damage.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art or related art.
In view of the above, an object of the present invention is to provide a water treatment device.
In order to achieve the above object, the present invention provides a water treatment apparatus comprising: the device comprises a processing cavity group, wherein a plurality of groups of film stacks are formed in the processing cavity group, each group of film stacks comprises two adjacent first processing chambers and second processing chambers, and the ion concentration of fluid in the first processing chamber in each group of film stacks is smaller than that in the second processing chamber; the electrode group comprises two electrodes with different polarities, and the two electrodes are respectively arranged at two sides of the treatment cavity group, wherein the fluid flow directions in a first treatment chamber and a second treatment chamber in each group of membrane stacks are opposite, and the first treatment chamber in a group of membrane stacks close to one electrode is communicated with the first treatment chamber and the second treatment chamber in a group of membrane stacks close to the other electrode.
According to the water treatment device provided by the technical scheme of the invention, the water treatment device comprises a treatment cavity group and an electrode group, and particularly, a plurality of groups of membrane stacks can be formed in the treatment cavity group, each group of membrane stacks comprises two adjacent first treatment chambers and second treatment chambers for containing water, each electrode group comprises two electrodes with different polarities, generally, the two electrodes are respectively an anode electrode and a cathode electrode, the two electrodes are respectively arranged at two sides of the treatment cavity group, an electric field covering the treatment cavity group can be formed when the treatment cavity group is electrified, and a plurality of first treatment chambers and a plurality of second treatment chambers can be formed in the treatment cavity group.
It should be specifically noted that, for each group of membrane stacks, the fluid flow directions of the first processing chamber and the second processing chamber are opposite, for example, the membrane stack integrally includes a first end and a second end, the fluid flow direction in the first processing chamber is from the first end to the second end, the fluid flow direction in the second processing chamber is from the second end to the first end, and ions of the fluid between the first processing chamber and the second processing chamber can permeate each other, so that the concentrations of the first end of the first processing chamber and the second processing chamber can be kept approximately the same on the basis of changing the ion concentrations in the first processing chamber and the second processing chamber, and the concentration of the second end of the first processing chamber and the second processing chamber can be kept approximately the same, so that the concentration difference between the two processing chambers can be effectively reduced, the adverse effect of the osmotic pressure on the purification of the water path system can be reduced, and the purification effect can be effectively improved. The number of the outer membrane stacks is plural, and one of the first treatment chambers and one of the second treatment chambers are connected to form a serial waterway, so that when water is purified, fresh water after the first treatment can flow to the next combination of the first treatment chamber and the second treatment chamber, thereby carrying out secondary purification, and if the number of the serial connection of the first treatment chamber and the second treatment chamber is increased, the purification stage number can be increased to realize multistage purification, and the effect of multiple desalination can be achieved through one electrode group.
Further, the first treatment chamber and the second treatment chamber can be used as main treatment modules of the reverse pole electrodialysis membrane stack, ions of fluid in the reverse pole electrodialysis membrane stack can permeate each other under the action of an electric field, when fresh water is stored in the first treatment chamber, concentrated water is stored in the second treatment chamber, or when fresh water is stored in the second treatment chamber, the concentrated water is stored in the first treatment chamber.
In the above technical scheme, the processing cavity group comprises a plurality of ion exchange membranes, and a first processing chamber and a second processing chamber which are arranged at intervals are formed among the plurality of ion exchange membranes.
In the technical scheme, the ion exchange membranes defining the treatment cavity group comprise a plurality of first treatment chambers and second treatment chambers which can form intervals, an electric field can be generated on the ion exchange membranes under the action of the electrode group, so that ions, such as anions or cations, can be selectively permeated under the action of each ion exchange membrane, and electrodialysis purification of water flowing into the water purification structure and inversion of electrode voltage when the electrode voltage is converted are facilitated under the action of the plurality of ion exchange membranes.
In the above technical solution, the number of the ion exchange membranes is plural, and the ionic properties of any two adjacent ion exchange membranes are different.
In the technical scheme, a plurality of ion exchange membranes are arranged, and the ion types of two adjacent ion exchange membranes are limited to be different, namely the ion exchange membrane adjacent to the cation exchange membrane is an anion exchange membrane, and the ion exchange membrane adjacent to the anion exchange membrane is a cation exchange membrane, so that the selective movement of ions is realized for each treatment chamber, such as the first treatment chamber or the second treatment chamber, under the action of the electrode group, and the separation and purification of the thick water and the thin water are realized.
In the above technical solution, the number of the ion exchange membranes is five, four processing chambers are formed between the five ion exchange membranes, two of the four processing chambers, which are spaced apart, form a first processing chamber, and the other two form a second processing chamber.
In the technical scheme, four processing chambers can be formed between the five ion exchange membranes, two of the four processing chambers are respectively provided with a first processing chamber and a second processing chamber, by adopting the arrangement mode, the ionic property of ions in fluid at two sides of each ion exchange membrane can be effectively utilized, in short, under the action of an electrode, the ionic property of the five ion exchange membranes is sequentially anion-cation-anion, when the two sides of the processing chambers are respectively anion-cation, the five ion exchange membranes can be defined as the first processing chamber, and when the two sides of the processing chambers are respectively cation-anion, the two sides of the processing chambers can be defined as the second processing chamber, so that the arrangement of unnecessary exchange membranes is reduced, and a plurality of processing chambers are formed to the greatest extent under the action of limited ion exchange membranes, so that the unnecessary production cost is reduced.
Particularly, on the basis of setting a fixed flow path, each ion exchange membrane can selectively permeate ions so as to realize the normal function of the reverse electrode and prolong the service life of the membrane stack.
In the above technical solution, each ion exchange membrane is at least partially disposed in an electric field formed by an electrode group, where the electrode group includes a first electrode and a second electrode, and a treatment chamber close to the first electrode is a first treatment chamber, and a treatment chamber close to the second electrode is a second treatment chamber.
In this solution, by defining the presence of a portion of each ion exchange membrane placed in the electric field, the movement of ions in the fluid placed in the electric field can be driven, thus achieving a variation of the ion concentration in the different chambers.
Of course, it is understood that the more overlapping areas of two adjacent ion exchange membranes in the electric field, the higher the purifying effect on the fluid.
In addition, it is required to define that the first treatment chamber is disposed close to the first electrode, the second treatment chamber is disposed close to the second electrode, and generally, the number of groups of the membrane stack is an integer, so that the first treatment chamber and the second treatment chamber are conveniently disposed at intervals, and in addition, the first treatment chamber is disposed close to the first electrode, so that the concentrate chamber and the fresh water chamber are conveniently divided subsequently.
In the above technical solution, further includes: and the water inlet pipeline is respectively communicated with the adjacent first processing chamber and the second processing chamber which are close to the first electrode.
In the technical scheme, through the arrangement of the water inlet pipeline which is arranged close to the first electrode and is connected with the adjacent first processing chamber and the adjacent second processing chamber, the fluid flowing in through the water inlet pipeline can be primarily purified under the action of the first electrode and the second electrode, namely, the movement of ions in the fluid is controlled between the adjacent first processing chamber and the adjacent second processing chamber.
In the above technical solution, further includes: the first water inlet valve is arranged on a part of the water inlet pipeline communicated with the first processing chamber close to the first electrode and is used for controlling the water inlet flow flowing into the first processing chamber close to the first electrode; the second water inlet valve is arranged on a part of the water inlet pipeline communicated with the second processing chamber close to the first electrode and is used for controlling the water inlet flow rate flowing into the second processing chamber close to the first electrode.
In the technical scheme, the first water inlet valve and the second water inlet valve are arranged, so that the proportion of the inflow water to the first treatment chamber and the second treatment chamber close to the first electrode can be adjusted, specifically, the first water inlet valve controls the inflow water to the first treatment chamber close to the first electrode, and the second water inlet valve controls the inflow water to the second treatment chamber close to the first electrode so as to control the water pressure in the water purification process, so that the problems of water leakage or desalination rate reduction and the like of a film pile in a waterway system caused by overlarge pressure are prevented, and the service life of equipment is prolonged.
It will be appreciated that the adjacent first and second process chambers are those that are located closer to the first electrode when the first and second electrodes are located.
In the above technical solution, further includes: the first inverted electrode water outlet pipe is communicated with a water outlet of the first treatment chamber close to the second electrode; and the second inverted electrode water outlet pipe is communicated with a water outlet of the second processing chamber close to the second electrode, wherein the ion concentration of fluid discharged from the first inverted electrode water outlet pipe and the second inverted electrode water outlet pipe is different.
In this technical scheme, through setting up the first pole outlet pipe that falls that is linked together with the first treatment room that is close to the second electrode and second treatment room respectively and falling extremely the outlet pipe with the second, can outwards discharge fresh water and dense water after the secondary purification through two pipelines, it can understand that the fresh water that forms after the secondary purification is more suitable for the user to drink or use, also reduces the treatment pressure to single group's treatment room, adjacent first treatment room and second treatment room simultaneously.
In the above technical solution, further includes: the auxiliary water inlet pipeline is communicated with the first treatment chamber close to the first electrode at one end, and is communicated with the first treatment chamber close to the second electrode and the second treatment chamber through a third water inlet valve and a fourth water inlet valve at the other end, wherein the third water inlet valve is used for controlling water inflow rate flowing into the first treatment chamber close to the second electrode, and the fourth water inlet valve is used for controlling water inflow rate flowing into the first treatment chamber close to the second electrode.
In the technical scheme, one of the first treatment chamber and the second treatment chamber close to the first electrode, which has smaller ion concentration, is communicated with the first treatment chamber and the second treatment chamber close to the second electrode through the auxiliary water inlet pipeline, so that fresh water generated after preliminary purification can be led into the next process, and secondary purification is realized under the action of the first treatment chamber and the second treatment chamber close to the second electrode.
In addition, the third water inlet valve and the fourth water inlet valve are respectively used for controlling the water inflow rate of the water flowing into the first processing chamber and the second processing chamber which are close to the second electrode, and it can be understood that the water flowing into the membrane stack which is close to the second electrode flows out of the first processing chamber which is close to the first electrode, and the flow rate of dialysis entering the later membrane stack can be controlled by arranging the third water inlet valve and the fourth water inlet valve, so that the control of the final fresh water flow rate is facilitated.
In the above technical solution, further includes: and the controller is electrically connected with the first water inlet valve, the second water inlet valve, the third water inlet valve and the fourth water inlet valve, wherein the controller can control the valve opening degrees of the first water inlet valve, the second water inlet valve, the third water inlet valve and the fourth water inlet valve.
In the technical scheme, the opening degrees of the valve ports of the four water inlet valves can be controlled respectively by arranging the controllers which are electrically connected with the first water inlet valve, the second water inlet valve, the third water inlet valve and the fourth water inlet valve respectively, so that the water pressures of the first treatment chamber and the second treatment chamber for primary purification and secondary purification can be controlled conveniently, and the whole normal operation of the equipment is facilitated.
In the above technical solution, further includes: a concentrated water outlet pipe which is communicated with the second treatment chamber close to the first electrode and the second treatment chamber close to the second electrode; and the fresh water outlet pipe is communicated with the first treatment chamber close to the second electrode.
In this technical scheme, through setting up dense water exit tube and fresh water exit tube, can outwards discharge the dense water that preliminary purification and secondary purification produced, namely the fluid in the second processing chamber to realize concentrated processing of dense water, in addition, through setting up the fresh water exit tube, can outwards discharge the fresh water that produces after the secondary purification, namely the fluid in the first processing chamber that is close to the second electrode, in order to be convenient for user's quotation or use.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 shows a schematic configuration of a water treatment apparatus according to still another embodiment of the present invention;
FIG. 2 shows a schematic configuration of a water treatment apparatus according to still another embodiment of the present invention;
fig. 3 is a schematic view showing the structure of an electric control part of a water treatment apparatus according to an embodiment of the present invention.
Wherein, the corresponding relation between the marks and the structures in the above figures is as follows:
10 membrane stacks, 100 first treatment chambers, 200 second treatment chambers, 302 first electrodes, 304 second electrodes, 40 ion exchange membranes, 402 water inlet pipelines, 404 first water inlet valves, 406 second water inlet valves, 412 third water inlet valves, 414 fourth water inlet valves, 422 auxiliary water inlet pipelines, 424 concentrated water outlet pipes, 426 fresh water outlet pipes, 500 controllers.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Some embodiments according to the present invention are described below with reference to fig. 1 to 3.
Example 1
As shown in fig. 1, the flow direction of the fluid is shown by arrows in the drawing, and the water treatment device according to an embodiment of the present invention includes a treatment chamber group formed by five ion exchange membranes 40, specifically, the five ion exchange membranes 40 form two groups of membrane stacks 10, the ion concentration of the water in the two chambers can be continuously changed under the action of the ion exchange membranes 40, so that the ion concentration in the first treatment chamber 100 is gradually decreased, the ion concentration in the second treatment chamber 200 is gradually increased, when the two sides of the treatment chamber are respectively anion-cation, the two chambers can be defined as a first treatment chamber 100, when the two sides of the treatment chamber are respectively cation-anion, a second treatment chamber 200, when the two sides of the treatment chamber are respectively cation-anion, and at this time, the ion exchange membranes 40 in the left side and the second treatment chamber 200 are sequentially arranged from the left side to the right side of the water chamber, and the water chamber is a fresh water chamber 200, and the water chamber is sequentially arranged from the left side to the right side of the water chamber to the water chamber 200.
The flow flowing into the two left chambers through the water inlet pipeline 402 is controlled through the first water inlet valve 404 and the second water inlet valve 406 respectively, so that the water pressure in the water purifying process is conveniently controlled, the problems of water leakage or desalination rate reduction and the like of a membrane stack in a waterway system caused by overlarge pressure are prevented, and the service life of the equipment is prolonged.
Further, after the raw water flowing in the water inlet pipeline 402 is primarily purified through the two chambers on the left side, the fresh water generated after the primary purification is flowed into the membrane stack 10 on the right side through the auxiliary water inlet pipeline 422 to be secondarily purified, and the concentrated water generated after the primary purification is directly discharged to the outside through the concentrated water outlet pipe 424.
For secondary purification, further, the fresh water discharged from the first processing chamber 100 at the left side can respectively control the flow rate of the fresh water flowing into the two chambers at the right side through the third water inlet valve 412 and the fourth water inlet valve 414, so that the third water inlet valve 412 can control the water inflow rate of the first processing chamber 100 close to the second electrode 304, namely the water inflow rate of the first processing chamber 100 at the right side, and the fourth water inlet valve 414 controls the water inflow rate of the second processing chamber 200 close to the second electrode 304, namely the water inflow rate of the second processing chamber 200 at the right side, so as to control the water pressure in the secondary purification process, prevent the problems of water leakage or desalination rate reduction of a membrane pile in a waterway system caused by overlarge pressure, and prolong the service life of equipment.
In addition, as shown in fig. 3, in order to facilitate the control of the water purifying structure, a controller 500 is further provided, which is electrically connected to the first water inlet valve 404, the second water inlet valve 406, the third water inlet valve 412 and the fourth water inlet valve 414, so that the purifying flow rate and the corresponding water pressure of the first processing chamber 100 and the second processing chamber 200 on the left side can be adjusted by adjusting the valve opening of the first water inlet valve 404 and the valve opening of the second water inlet valve 406 according to the actual use requirement, and similarly, the purifying flow rate and the corresponding water pressure of the first processing chamber 100 and the second processing chamber 200 on the right side can be adjusted by adjusting the valve opening of the third water inlet valve 412 and the valve opening of the fourth water inlet valve 414.
For the membrane stack 10 on the right side, the water in the first treatment chamber 100 is formed after electrodialysis twice, and can be directly discharged through the fresh water outlet pipe 426, while the water in the second treatment chamber 200 needs to be discharged through the concentrated water outlet pipe 424 together with the water in the second treatment chamber 200 in the membrane stack 10 on the left side.
Example two
On the basis of embodiment 1, as shown in fig. 2, a first electrode 302 and a second electrode 304 are respectively disposed on two sides of the processing chamber set, wherein the first electrode 302 is an anode, and the second electrode 304 is a cathode.
The five ion exchange membranes 40 are respectively anion-cation-anion-exchange from the anode electrode to the cathode electrode.
Example III
As shown in fig. 2, the water treatment apparatus according to one embodiment of the present invention includes two electrodes (i.e., a first electrode 302 and a second electrode 304), four flow control valves (i.e., a first water inlet valve 404, a second water inlet valve 406, a third water inlet valve 412, and a fourth water inlet valve 414). The embodiment is applicable to a multi-stage electrodialysis membrane stack, the multi-stage electrodialysis membrane stack is divided into a front water inlet channel and a rear water inlet channel, the structure is shown in fig. 2, a first water channel (i.e. a left membrane stack 10) comprises a fresh water chamber 1 and a concentrate chamber 1 (i.e. a first treatment chamber 100 and a second treatment chamber 200 on the left side), a second water channel (i.e. a right membrane stack 10) comprises a fresh water chamber 2 and a concentrate chamber 2 (i.e. a first treatment chamber 100 and a second treatment chamber 200 on the right side), the fresh water chamber 1 represents a set of the first portion of fresh water chambers and can be collected into one water channel, and similarly, the fresh water chamber 2, the concentrate chamber 1 and the concentrate chamber 2 respectively represent a set of the first portion of concentrate chambers, a set of the second portion of fresh water chambers and a set of the second portion of concentrate chambers and can be collected into one water channel respectively. The water inflow of the membrane stack is respectively controlled by flow valves 1, 2, 3 and 4 (namely a first water inlet valve 404, a second water inlet valve 406, a third water inlet valve 412 and a fourth water inlet valve 414), and the flow valves 1, 2, 3 and 4 are respectively connected with the fresh water chamber 1, the concentrated water chamber 1, the fresh water chamber 2 and the concentrated water chamber 2, so that the water inflow of each chamber can be respectively controlled. The water outlet of the fresh water chamber 1 is connected with the fresh water chamber 2 and the concentrated water chamber 2, and the concentrated water chamber 1 and the concentrated water chamber 2 are converged into the same concentrated water path (namely a concentrated water outlet pipe 424).
In the working process, the water flow direction is shown in fig. 2, raw water is divided into two flows which respectively flow into the fresh water chamber 1 and the concentrated water chamber 1, and the flow in the fresh water chamber 1 and the flow in the concentrated water chamber 1 are respectively controlled by the flow valve 1 and the flow valve 2. After the raw water is treated, the concentrated water in the concentrated water chamber 1 flows out from a concentrated water outlet, and the fresh water in the fresh water chamber 1 redistributes the flow through the flow valve 3 and the flow valve 4 and flows into the fresh water chamber 2 and the concentrated water chamber 2 through the auxiliary water inlet pipeline 422 for secondary purification treatment. After treatment, the fresh water in the fresh water chamber 2 flows out through the fresh water outlet (i.e. the fresh water outlet pipe 426), and the concentrated water in the concentrated water chamber 2 is collected to the concentrated water outlet (i.e. the concentrated water outlet pipe 424) and flows out. Wherein, the flow valves 1, 2, 3, 4 can be adjusted according to the electrodialysis membrane stack performance and the water production requirement. The flow rate controlled by the flow valve 3 is the final fresh water yield.
In summary, according to the water treatment device provided by the invention, the plurality of groups of membrane stacks are connected in series to form the serial waterway, and the flow directions of fluid of the two treatment chambers in each group of membrane stacks are limited to be opposite, so that when water is purified, fresh water after first treatment can flow to the next membrane stack, on one hand, the desalination rate can be improved, on the other hand, the concentration difference between the two treatment chambers can be effectively reduced, further, the adverse effect of osmotic pressure on purifying the waterway system can be reduced, and the purification effect can be effectively improved.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A water treatment device, comprising:
a plurality of groups of membrane stacks are formed in the processing cavity group, each group of membrane stacks comprises two adjacent first processing chambers and second processing chambers, and the ion concentration of fluid in the first processing chamber in each group of membrane stacks is smaller than that in the second processing chamber;
the electrode group comprises two electrodes with different polarities, the two electrodes are respectively arranged at two sides of the treatment cavity group,
wherein the fluid flow directions in the first treatment chamber and the second treatment chamber in each group of the membrane stacks are opposite, and the first treatment chamber in the group of the membrane stacks close to one electrode is communicated with the first treatment chamber and the second treatment chamber in the group of the membrane stacks close to the other electrode;
the electrode group comprises a first electrode and a second electrode;
the auxiliary water inlet pipeline is communicated with the first treatment chamber close to the first electrode at one end, and is communicated with the first treatment chamber and the second treatment chamber close to the second electrode at the other end through a third water inlet valve and a fourth water inlet valve respectively.
2. The water treatment apparatus of claim 1, wherein the treatment chamber set comprises a plurality of ion exchange membranes,
the first processing chamber and the second processing chamber which are arranged at intervals are formed among the ion exchange membranes.
3. The water treatment apparatus according to claim 2, wherein the number of the ion exchange membranes is plural, and the ion properties of any two adjacent ion exchange membranes are different.
4. The water treatment apparatus according to claim 2, wherein the number of the ion exchange membranes is five, four treatment chambers are formed between the five ion exchange membranes, two of the four treatment chambers are separated from each other to form the first treatment chamber, and the other two of the four treatment chambers are formed to form the second treatment chamber.
5. The water treatment device of claim 4, wherein each of the ion exchange membranes is at least partially disposed in an electric field formed by the electrode sets, wherein the treatment chamber adjacent to the first electrode is a first treatment chamber and the treatment chamber adjacent to the second electrode is a second treatment chamber.
6. The water treatment device of claim 5, further comprising:
and the water inlet pipeline is respectively communicated with the first treatment chamber and the second treatment chamber which are adjacent to the first electrode.
7. The water treatment device of claim 6, further comprising:
the first water inlet valve is arranged on a part of the water inlet pipeline communicated with the first processing chamber close to the first electrode and is used for controlling the inflow rate of water flowing into the first processing chamber close to the first electrode;
the second water inlet valve is arranged on a part of the water inlet pipeline communicated with the second processing chamber close to the first electrode and is used for controlling the inflow rate of water flowing into the second processing chamber close to the first electrode.
8. The water treatment device of claim 5, further comprising:
the first inverted electrode water outlet pipe is communicated with a water outlet of the first treatment chamber close to the second electrode;
a second inverted-pole water outlet pipe communicated with a water outlet of a second treatment chamber close to the second electrode,
the ionic concentration of the fluid discharged from the first inverted electrode water outlet pipe and the ionic concentration of the fluid discharged from the second inverted electrode water outlet pipe are different.
9. A water treatment device according to claim 7, wherein,
the third water inlet valve is used for controlling the water inflow rate of the first treatment chamber close to the second electrode, and the fourth water inlet valve is used for controlling the water inflow rate of the first treatment chamber close to the second electrode.
10. The water treatment device of claim 9, further comprising:
a controller electrically connected with the first water inlet valve, the second water inlet valve, the third water inlet valve and the fourth water inlet valve,
wherein, the controller can control the valve opening degree of the first water inlet valve, the second water inlet valve, the third water inlet valve and the fourth water inlet valve.
11. The water treatment device of claim 9, further comprising:
a concentrated water outlet pipe which is communicated with a second treatment chamber close to the first electrode and a second treatment chamber close to the second electrode;
and the fresh water outlet pipe is communicated with the first treatment chamber close to the second electrode.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10004878A1 (en) * | 2000-02-04 | 2001-08-09 | Sgl Technik Gmbh | Method and device for the simultaneous production of acid and base of high purity |
| JP2001239270A (en) * | 1999-03-25 | 2001-09-04 | Japan Organo Co Ltd | Device for electrically manufacturing deionized water and method for manufacturing deionized water |
| CN101007663A (en) * | 2007-01-11 | 2007-08-01 | 吴祖成 | Electrodeionization water-purifying device and method for recovering cation and anion without scaling |
| CN101648738A (en) * | 2008-09-16 | 2010-02-17 | 王方 | Electro-deionization method and electro-deionization device for recycling ammonia nitrogen waste water |
| CN102745782A (en) * | 2012-06-20 | 2012-10-24 | 江苏科技大学 | Electrodeionization method and electrodeionization apparatus for treating low concentration ionic solution |
| CN104556315A (en) * | 2014-12-12 | 2015-04-29 | 浙江中凯瑞普环境工程股份有限公司 | Membrane stack and electro-desalting assembly |
| CN104876372A (en) * | 2014-02-28 | 2015-09-02 | 温州大学 | Self-desalination system |
| CN107055713A (en) * | 2017-05-18 | 2017-08-18 | 河北工业大学 | One kind is based on the selectively electrodialytic high rigidity brackish water method for concentration of univalent cation |
| CN108137354A (en) * | 2015-09-30 | 2018-06-08 | 奥加诺株式会社 | Water treatment facilities and method for treating water |
| CN110104741A (en) * | 2019-06-04 | 2019-08-09 | 东北电力大学 | Double film room membrane capacitance demineralizers with continuous water-yielding capacity |
| CN110436586A (en) * | 2019-08-09 | 2019-11-12 | 南开大学 | A kind of process units and method of high purity water |
| CN110510712A (en) * | 2019-08-09 | 2019-11-29 | 南开大学 | A kind of electrodialysis system and method for bitter desalination |
| CN111003764A (en) * | 2019-12-31 | 2020-04-14 | 浙江中凯瑞普环境工程股份有限公司 | Electric desalting system for reclaimed water and application thereof |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7351444B2 (en) * | 2003-09-08 | 2008-04-01 | Intematix Corporation | Low platinum fuel cell catalysts and method for preparing the same |
| AU2009232342A1 (en) * | 2008-04-03 | 2009-10-08 | Evoqua Water Technologies Llc | Low energy system and method of desalinating seawater |
| US9586181B2 (en) * | 2011-07-06 | 2017-03-07 | Palo Alto Research Center Incorporated | Electrodialytic separation of CO2 gas from seawater |
| CN102963966A (en) * | 2012-11-12 | 2013-03-13 | 中国科学院过程工程研究所 | Electrodialysis device applicable to treatment on high-salinity wastewater from industries such as coal chemical industry |
| US20150376036A1 (en) * | 2013-02-11 | 2015-12-31 | B.G. Negev Technologies And Applications Ltd. | Apparatus and System for Deionization |
| GB201312491D0 (en) * | 2013-07-12 | 2013-08-28 | Fujifilm Mfg Europe Bv | Electrodialysis |
| CN104016529B (en) * | 2014-06-05 | 2015-09-30 | 中国科学院过程工程研究所 | Based on the Coal Chemical Industry salt-containing waste water treatment method of multi-stage countercurrent pole-reversing electroosmosis device |
| CN105540943B (en) * | 2015-10-30 | 2018-03-20 | 中国石油化工股份有限公司 | The processing method of silicon-containing wastewater and the Application way of silicon-containing wastewater and molecular sieve preparation method |
| CN106365274B (en) * | 2016-11-07 | 2019-03-26 | 沈阳艾柏瑞环境科技有限公司 | A kind of underground water power expels the process unit and method of sub- film desalting processing |
| CN208776366U (en) * | 2018-08-03 | 2019-04-23 | 蓝细弟 | A kind of ion selectivity penetrates film water treatment device |
| CN111115772A (en) * | 2020-02-27 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Waterway system and water purifying equipment |
| CN111115771A (en) * | 2020-02-27 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Waterway system and water purifying equipment |
-
2020
- 2020-06-29 CN CN202010606207.9A patent/CN113929194B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001239270A (en) * | 1999-03-25 | 2001-09-04 | Japan Organo Co Ltd | Device for electrically manufacturing deionized water and method for manufacturing deionized water |
| DE10004878A1 (en) * | 2000-02-04 | 2001-08-09 | Sgl Technik Gmbh | Method and device for the simultaneous production of acid and base of high purity |
| CN101007663A (en) * | 2007-01-11 | 2007-08-01 | 吴祖成 | Electrodeionization water-purifying device and method for recovering cation and anion without scaling |
| CN101648738A (en) * | 2008-09-16 | 2010-02-17 | 王方 | Electro-deionization method and electro-deionization device for recycling ammonia nitrogen waste water |
| CN102745782A (en) * | 2012-06-20 | 2012-10-24 | 江苏科技大学 | Electrodeionization method and electrodeionization apparatus for treating low concentration ionic solution |
| CN104876372A (en) * | 2014-02-28 | 2015-09-02 | 温州大学 | Self-desalination system |
| CN104556315A (en) * | 2014-12-12 | 2015-04-29 | 浙江中凯瑞普环境工程股份有限公司 | Membrane stack and electro-desalting assembly |
| CN108137354A (en) * | 2015-09-30 | 2018-06-08 | 奥加诺株式会社 | Water treatment facilities and method for treating water |
| CN107055713A (en) * | 2017-05-18 | 2017-08-18 | 河北工业大学 | One kind is based on the selectively electrodialytic high rigidity brackish water method for concentration of univalent cation |
| CN110104741A (en) * | 2019-06-04 | 2019-08-09 | 东北电力大学 | Double film room membrane capacitance demineralizers with continuous water-yielding capacity |
| CN110436586A (en) * | 2019-08-09 | 2019-11-12 | 南开大学 | A kind of process units and method of high purity water |
| CN110510712A (en) * | 2019-08-09 | 2019-11-29 | 南开大学 | A kind of electrodialysis system and method for bitter desalination |
| CN111003764A (en) * | 2019-12-31 | 2020-04-14 | 浙江中凯瑞普环境工程股份有限公司 | Electric desalting system for reclaimed water and application thereof |
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