CN201254478Y - Multi-stage EDI membrane stack - Google Patents
Multi-stage EDI membrane stack Download PDFInfo
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- CN201254478Y CN201254478Y CNU2008201893367U CN200820189336U CN201254478Y CN 201254478 Y CN201254478 Y CN 201254478Y CN U2008201893367 U CNU2008201893367 U CN U2008201893367U CN 200820189336 U CN200820189336 U CN 200820189336U CN 201254478 Y CN201254478 Y CN 201254478Y
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- pure water
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Abstract
The utility model relates to a multilevel EDI membrane stack, which comprises a positive electrode plate, a negative electrode plate and a plurality of groups of pure water clapboards arranged between the two electrode plates; a water flow commutation clapboard is arranged between two adjacent groups of the pure water clapboards; the structure can lead the pre-treated water to repeatedly flow through a pure water chamber for being purified; the purified production water can reach a higher purity quotient; the water pretreatment only needs a first stage reverse osmosis; the cost is lower, the technique is simple; and the water utilizing ratio is higher when preparing the pure water.
Description
Technical field
The utility model relates to a kind of water treating equipment, particularly multistage EDI membrane stack.
Background technology
At present, the EDI membrane stack of throwing on the market (electrodeionization technology) is one-level EDI membrane stack, i.e. the water inlet water that EDI pure water chamber come out of only once flowing through then is product water, and the water of this process only passes through primary purification.If the water inlet saltiness is low, just water can reach higher degree through this time purifying; If the water inlet saltiness is higher, water is through this time purifying, and then the product shipwreck is to reach higher degree.Therefore, the essential condition used of one-level EDI be into the water saltiness to try one's best low.Now generally with＜5ppm with interior be safe water inlet condition, making into, water reaches this index, under the condition of using ordinary tap water, must adopt two-pass reverse osmosis equipment that tap water is carried out pre-treatment, and this two-pass reverse osmosis system not only capital investment is many, and the water consumption power consumption is many during operation, the running cost height, and water use efficiency is low.
The utility model content
The utility model is intended to overcome above-mentioned the deficiencies in the prior art, provide a kind of pre-treatment of water only to need first-stage reverse osmosis, and the product water after purifying reaches higher degree, and technology is simple, higher, the lower-cost multistage EDI membrane stack of water use efficiency when making pure water.
The multistage EDI membrane stack that provides according to the utility model, just comprise, negative two battery lead plates, and be located at many groups pure water dividing plate group between this two battery lead plate, every group of pure water dividing plate group comprises a plurality of pure water dividing plates, be provided with dense water dividing plate between the two adjacent pure water dividing plates, be provided with utmost point water dividing plate respectively between the described two battery lead plates pure water dividing plate adjacent separately with it, positive electrode plate is provided with purified water inlet, negative electrode plate is provided with the pure water outlet, opened pure water water inlet through hole with the corresponding purified water inlet of utmost point water dividing plate that positive electrode plate cooperates, pure water water outlet through hole has been opened in pure water outlet on another utmost point water dividing plate on the corresponding negative electrode plate, opened window on each pure water dividing plate, thereby the both sides of each described pure water dividing plate are respectively equipped with the positive ion exchange membrane and the anionic exchange membrane that cover this window and form the pure water chamber, the indoor ion-exchange resin particles that is provided with of pure water, open two first through holes that are communicated with the pure water chamber respectively and second through hole on each described pure water dividing plate, correspondence is provided with first through hole and second through hole on the dense water dividing plate, first through hole and second through hole of every group of pure water dividing plate group form first channel and second passage respectively, be provided with current commutation dividing plate between the two adjacent groups pure water dividing plate group, wherein the described first channel of one group of pure water dividing plate group or second passage communicate with pure water water inlet through hole in the two adjacent groups pure water dividing plate group, described commutation dividing plate separates two first channels or the second passage of two adjacent groups pure water dividing plate group, open the through hole that is communicated with two adjacent groups pure water two second passages of dividing plate group or first channel on the described commutation dividing plate, the first channel or the second passage of another group pure water dividing plate group communicate with pure water water outlet through hole in the two adjacent groups pure water dividing plate group.
The utility model also has following additional technical feature:
Be provided with two groups of pure water dividing plate groups between described positive and negative two battery lead plates, in two groups of pure water dividing plate groups wherein the first channel of one group of pure water dividing plate group communicate with described pure water water inlet through hole, be provided with described current commutation dividing plate between described two groups of pure water dividing plate groups, described current commutation dividing plate separates the first channel of two groups of pure water dividing plate groups, through hole on the described commutation dividing plate is communicated with the second passage of described two groups of pure water dividing plate groups, and the first channel of two groups of another group pure water dividing plate groups of pure water dividing plate group communicates with pure water water outlet through hole.
The multistage EDI membrane stack that provides according to the utility model, prior art has following advantage relatively: be provided with current commutation dividing plate between the utility model two adjacent groups pure water dividing plate group, wherein the described first channel of one group of pure water dividing plate group or second passage communicate with pure water water inlet through hole in the two adjacent groups pure water dividing plate group, described commutation dividing plate separates two first channels or the second passage of two adjacent groups pure water dividing plate group, open the through hole that is communicated with two adjacent groups pure water two second passages of dividing plate group or first channel on the described commutation dividing plate, the first channel or the second passage of another group pure water dividing plate group communicate with pure water water outlet through hole in the two adjacent groups pure water dividing plate group, the pretreated water of the feasible process of this structure is repeatedly flowed through, and pure water is indoor repeatedly purifies, product water after the purification reaches higher degree, and the pre-treatment of water only needs first-stage reverse osmosis, cost is lower, technology is simple, water use efficiency during the system pure water is higher.
Description of drawings
Embodiment below in conjunction with accompanying drawing provides describes the utility model in detail, wherein:
Fig. 1 is the decomposition texture synoptic diagram of a kind of preferred embodiment of the multistage EDI membrane stack of the utility model.
Fig. 2 is the side structure synoptic diagram of pure water dividing plate among Fig. 1.
Fig. 3 is the side structure synoptic diagram of dense water dividing plate among Fig. 1.
Fig. 4 is the side-looking structural representation of current commutation dividing plate among Fig. 1.
Fig. 5 is the internal surface synoptic diagram of positive electrode plate among Fig. 1.
Fig. 6 is the internal surface synoptic diagram of negative electricity plate plate among Fig. 1.
Fig. 7 is the utmost point water bulkhead sides structural representation that cooperates with positive electrode plate among Fig. 1.
Fig. 8 is another utmost point water bulkhead sides structural representation among Fig. 1.
Embodiment
Referring to Fig. 1 to 8, a kind of optimal way of the multistage EDI membrane stack of the utility model is shown, just comprise, negative two battery lead plates 1,2, and be located at many groups pure water dividing plate group 3 between this two battery lead plate, every group of pure water dividing plate group comprises a plurality of pure water dividing plates 30, be provided with dense water dividing plate 31 between the two adjacent pure water dividing plates, described two battery lead plates 1, be provided with utmost point water dividing plate 32 respectively between the 2 pure water dividing plates adjacent separately with it, 33, positive electrode plate is provided with purified water inlet 10, negative electrode plate is provided with pure water outlet 20, opened pure water water inlet through hole 320 with the utmost point water dividing plate 32 corresponding purified water inlet that positive electrode plate cooperates, pure water water outlet through hole 330 has been opened in pure water outlet on another utmost point water dividing plate 33 on the corresponding negative electrode plate, opened window on each pure water dividing plate, thereby the both sides of each described pure water dividing plate are respectively equipped with the positive ion exchange membrane and the anionic exchange membrane 301 that cover this window and form pure water chamber 302, the indoor ion-exchange resin particles that is provided with of pure water, open two first through holes 303 that are communicated with the pure water chamber respectively and second through hole 304 on each described pure water dividing plate, correspondence is provided with first through hole 303 and second through hole 304 on the dense water dividing plate, first through hole of every group of pure water dividing plate group and second through hole form first channel 4 and second passage 5 respectively, just, negative two battery lead plates 1,2, pure water dividing plate 30, dense water dividing plate 31, utmost point water dividing plate 32,33 concrete structure and principle are prior art, no longer describe in detail here.
The key distinction of the utility model and prior art is to be provided with between the two adjacent groups pure water dividing plate group current commutation dividing plate 6, in the two adjacent groups pure water dividing plate group wherein the described first channel of one group of pure water dividing plate group and pure water water inlet through hole communicate, described commutation dividing plate separates two first channels of two adjacent groups pure water dividing plate group, open the through hole 60 that is communicated with two second passages of two adjacent groups pure water dividing plate group on the described commutation dividing plate, the first channel of another group pure water dividing plate group communicates with pure water water outlet through hole in the two adjacent groups pure water dividing plate group.Certainly in the two adjacent groups pure water dividing plate group wherein one group of pure water dividing plate group also can communicate by second passage and the pure water through hole of intaking, at this moment, described commutation dividing plate need separate two second passages of two adjacent groups pure water dividing plate group, open the through hole 60 that is communicated with two first channels of two adjacent groups pure water dividing plate group on the described commutation dividing plate, the second passage of another group pure water dividing plate group communicates with pure water water outlet through hole in the two adjacent groups pure water dividing plate group.The pretreated water of the feasible process of this structure is repeatedly flowed through, and pure water is indoor repeatedly purifies, and the product water after the purification reaches higher degree, and the pre-treatment of water only needs first-stage reverse osmosis, cost is lower, technology is simple, the water use efficiency when making pure water is higher.
Among the embodiment that the utility model provides, be provided with two groups of pure water dividing plate groups between described positive and negative two battery lead plates, in two groups of pure water dividing plate groups wherein the first channel of one group of pure water dividing plate group communicate with described pure water water inlet through hole, be provided with described current commutation dividing plate 6 between described two groups of pure water dividing plate groups, described current commutation dividing plate 6 separates the first channel of two groups of pure water dividing plate groups, through hole 60 on the described commutation dividing plate is communicated with the second passage of described two groups of pure water dividing plate groups, and the first channel of two groups of another group pure water dividing plate groups of pure water dividing plate group communicates with pure water water outlet through hole.During work, current enter the pure water chamber by one group of pure water dividing plate group first channel wherein and realize primary purification, current enter the second passage of another group pure water dividing plate group by the second passage of one group of pure water dividing plate group wherein then, and then the pure water chamber realization secondary purification of advancing another group pure water dividing plate group, the first channel by another group pure water dividing plate group flows out the higher water of the needed purity of realization again.Certainly be provided with between described positive and negative two battery lead plates and also can be made as pure water dividing plate groups such as three groups, four groups, have N group pure water dividing plate group just to realize purifying for N+1 time, reason is the same, no longer detailed description.
The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (2)
1, multistage EDI membrane stack, just comprise, negative two battery lead plates (1,2), and be located at many groups pure water dividing plate group (3) between this two battery lead plate, every group of pure water dividing plate group comprises a plurality of pure water dividing plates (30), be provided with dense water dividing plate (31) between the two adjacent pure water dividing plates, described two battery lead plates (1,2) be provided with utmost point water dividing plate (32 respectively between the pure water dividing plate adjacent separately with it, 33), positive electrode plate is provided with purified water inlet (10), negative electrode plate is provided with pure water outlet (20), opened pure water water inlet through hole (320) with the corresponding purified water inlet of utmost point water dividing plate (32) that positive electrode plate cooperates, pure water water outlet through hole (330) has been opened in pure water outlet on another utmost point water dividing plate on the corresponding negative electrode plate, opened window on each pure water dividing plate, the both sides of each described pure water dividing plate are respectively equipped with the positive ion exchange membrane that covers this window and anionic exchange membrane (301) thereby form pure water chamber (302), the indoor ion-exchange resin particles that is provided with of pure water, open two first through holes (303) that are communicated with the pure water chamber respectively and second through hole (304) on each described pure water dividing plate, correspondence is provided with first through hole (303) and second through hole (304) on the dense water dividing plate, first through hole of every group of pure water dividing plate group and second through hole form first channel (4) and second passage (5) respectively, its feature is being to be provided with current commutation dividing plate (6) between the two adjacent groups pure water dividing plate group, wherein the described first channel of one group of pure water dividing plate group or second passage communicate with pure water water inlet through hole (320) in the two adjacent groups pure water dividing plate group, described commutation dividing plate separates two first channels or the second passage of two adjacent groups pure water dividing plate group, open the through hole (60) that is communicated with two adjacent groups pure water two second passages of dividing plate group or first channel on the described commutation dividing plate, the first channel or the second passage of another group pure water dividing plate group communicate with pure water water outlet through hole (330) in the two adjacent groups pure water dividing plate group.
2, multistage EDI membrane stack according to claim 1, it is characterized in that just described, be provided with two groups of pure water dividing plate groups between negative two battery lead plates, in two groups of pure water dividing plate groups wherein the first channel of one group of pure water dividing plate group communicate with described pure water water inlet through hole, be provided with described current commutation dividing plate (6) between described two groups of pure water dividing plate groups, described current commutation dividing plates (6) separate the first channel of two groups of pure water dividing plate groups, through hole (60) on the described commutation dividing plate is communicated with the second passage of described two groups of pure water dividing plate groups, and the first channel of two groups of another group pure water dividing plate groups of pure water dividing plate group communicates with pure water water outlet through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201893367U CN201254478Y (en) | 2008-08-29 | 2008-08-29 | Multi-stage EDI membrane stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201893367U CN201254478Y (en) | 2008-08-29 | 2008-08-29 | Multi-stage EDI membrane stack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201254478Y true CN201254478Y (en) | 2009-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201893367U Expired - Fee Related CN201254478Y (en) | 2008-08-29 | 2008-08-29 | Multi-stage EDI membrane stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201254478Y (en) |
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2008
- 2008-08-29 CN CNU2008201893367U patent/CN201254478Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20110829 |