CN204400675U - A kind of screw rod presses formula without the continuous water manufacturing system of film electrodeionization - Google Patents
A kind of screw rod presses formula without the continuous water manufacturing system of film electrodeionization Download PDFInfo
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- CN204400675U CN204400675U CN201420781196.8U CN201420781196U CN204400675U CN 204400675 U CN204400675 U CN 204400675U CN 201420781196 U CN201420781196 U CN 201420781196U CN 204400675 U CN204400675 U CN 204400675U
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Abstract
The utility model discloses a kind of screw rod and press formula without the continuous water manufacturing system of film electrodeionization.The screw rod at least comprising two structures identical presses formula without film electric deionizer; The lower interface of each device is connected with the normal open end of respective T-valve through two-port valve respectively; One end in the other two ends of T-valve is with water inlet pipe phase and connect, and the other end and dense water pipe also connect; The upper interface of each device connects two-port valve respectively and connects and is connected with rising pipe afterwards.Resin layer of the present utility model is easily highly pressed, and can remain close contact between upper and lower resin particle, is conducive to reducing resin layer resistance, reduces required regenerative voltage.The remarkable increase of regenerative voltage can not be caused, simplified construction after a small amount of bubble that top electrode produces enters resin layer; System can prepare high purity water continuously, stably.The utility model is applicable to preparation of high-purity water, electroplate rinsing etc. containing the useless water purification of heavy metal ion and by the process of removing other water for the purpose of ionic impurity and waste water.
Description
Technical field
The utility model relates to a kind of electric deionizer, especially relates to a kind of screw rod and presses formula without the continuous water manufacturing system of film electrodeionization.
Technical background
The industries such as electric power, semi-conductor, medicine, chemical industry often need consume a large amount of high purity water in process of production.The preparation of high purity water, successively experienced by three generations's treatment process both at home and abroad.First on behalf of " pre-treatment+ion-exchange ", and wherein pre-treatment is mainly used in removing colloid and tiny suspended particle, and ion-exchange is then for removing impurity in ionized state.As the ion-exchange of first-generation core, though purification efficiency is high, troublesome poeration, labour intensity is large, and has a large amount of acidic and alkaline waste water to produce in regenerative process, is unfavorable for environmental protection.Along with the fast development of the membrane separation technique such as reverse osmosis and electrodialysis, from the seventies in last century, define the s-generation technique of " pre-treatment+membrane sepn+ion-exchange " gradually.Because membrane sepn can remove most of solvability impurity in water, the regeneration times of therefore ion-exchange obviously reduces, and labour intensity and acidic and alkaline waste water generation are declined to a great extent.1987, the Millipore company of the U.S. was proposed revolutionary EDI product, had caused the birth of third generation technique-" pre-treatment+membrane sepn+EDI " thus.EDI has given full play to the technology speciality of ion-exchange and electrodialysis, and not only processing efficiency is high, and without the need to chemical regeneration, environmental friendliness, easy and simple to handle.But EDI remains at apparatus structure complicated at present, and cost of manufacture is high, maintenance difficult, in operational process, easily produce the problems such as fouling membrane.This makes the user that some treatment scales are large, as power plant, would rather exchange by Selective ion mode, and is reluctant to use EDI.
In recent years, EDI technology has had new breakthrough.(patent No. is ZL201110048386.X to granted patent; ZL201210016704.9) a kind of EDI technology without the need to ion-exchange membrane (being called for short MFEDI) is described.MFEDI has not only thoroughly abandoned the membrane module needed for traditional E DI, and maintains very high purification efficiency, and effluent quality can meet the requirement of numerous industry to pure water.But successfully will realize industrial applications, MFEDI still has some critical problems to need to solve further.First, its apparatus structure is unreasonable, needs to improve.Usually, the electroconductibility of resin is excellent, and therefore the poorly conductive of water must keep close contact between resin particle, otherwise the volts lost in resin layer will significantly increase, waste energy consumption.Granted patent (patent No. is ZL201210016704.9) describes the method for mounting spring between top cover and porous plate to press resin layer.This method is mainly applicable to small-sized MFEDI experimental installation.For large-scale industrialization MFEDI device, required acting force of the spring will significantly increase.This can make the installation of device very difficult on the one hand, and resin layer is difficult to compacted, causes resin layer resistance to increase, and required regenerative voltage and energy consumption rise; Likely cause device damaged because acting force of the spring directly puts on the downside of top cover on the other hand.MFEDI needs another key issue solved to be how each MFEDI device of reasonable combination, and being built into can the integrated system of water processed continuously and stably.In principle, MFEDI is equivalent to a kind of ion exchange technique utilizing direct current to regenerate exhausted resin under current are assisted, can be commonly called as and to exchange into electric regenerant ions or electron ion exchanges, when interior fill negative and positive hybrid resin time, MFEDI device also can be commonly called as electricity regeneration mixed bed or electric mixed bed.Therefore, be similar to conventional ion and exchange, separate unit MFEDI device can only periodical operation, can not water processed continuously.For realizing continuously and the water processed of stability of flow, be necessary to carry out reasonable combination to multiple stage MFEDI device.
Utility model content
The purpose of this utility model is to provide easy for installation, and resin layer is easily compacted, and the simple a kind of screw rod of structure presses formula without the continuous water manufacturing system of film electrodeionization.
The technical solution adopted in the utility model is:
The screw rod that this system at least comprises two structures identical presses formula without film electric deionizer, each screw rod presses formula without film electric deionizer, all comprise by the top cover with upper interface and cable sealed joint, tubular shell, and the dielectric chamber of bottom composition with water port and lower interface; Porous pressing plate, top electrode, resinbed, lower electrode, lower porous pressing plate and back-up ring are installed in dielectric chamber from top to bottom successively, porous pressing plate for sealing circle is housed between upper porous pressing plate and tubular shell inner ring, lower porous pressing plate for sealing circle is housed between lower porous pressing plate and tubular shell inner ring; Screw rod is coaxial successively through upper porous pressing plate, top electrode, resinbed, lower electrode and lower porous pressing plate from top to bottom, screw rod lower end is fixedly connected with lower porous pressing plate nut with lower electrode, the screw rod inner sleeve being positioned at above porous pressing plate one section has spring, one end of spring is pressed on porous pressing plate, and the other end upper nut of spring compresses; Top electrode and lower electrode are connected with direct supply by cable sealed joint after connecing wire respectively;
The screw rod that two structures are identical presses formula and forms a system without film electric deionizer, the lower interface of first device is connected with the normal open end of first T-valve through first two-port valve, and the lower interface of second device is connected with the normal open end of second T-valve through second two-port valve; One end in the other two ends of two T-valve is with water inlet pipe phase and connect, and the other end in the other two ends of two T-valve is with dense water pipe phase and connect; The upper interface of first device is connected with rising pipe after connecing by pipeline through the 4th two-port valve through the upper interface of the 3rd two-port valve and second device.
Described resinbed comprises a kind of Zeo-karb and a kind of anionite-exchange resin at least simultaneously; Yin and yang resin is mixed rear filling mutually evenly; Or by different ratios or different types of yin and yang resin respectively in addition after Homogeneous phase mixing point multilayer fill; Or in order to the reverse electromigration blocking ion is with positive resin, negative resin, positive resin, negative resin ... over-over mode divide multilayer to fill, or with negative and positive Homogeneous phase mixing resin, negative resin or positive resin, negative and positive Homogeneous phase mixing resin, negative resin or positive resin ... over-over mode divide multilayer to fill.
An electrode in described top electrode and lower electrode is anode, and another electrode is negative electrode.
Described top electrode and lower electrode all adopt hole dimension to be less than the microporous mesh electrode of ion-exchange resin particles particle diameter.
Or described top electrode adopts hole dimension to be greater than the mesh electrode of ion-exchange resin particles particle diameter, but between top electrode and upper porous pressing plate, add filter screen or the filter cloth that 1 ~ 2 layer of aperture be less than ion-exchange resin particles particle diameter; Described lower electrode adopts hole dimension to be greater than the mesh electrode of ion-exchange resin particles particle diameter, but adds filter screen or filter cloth that 1 ~ 2 layer of aperture be less than ion-exchange resin particles particle diameter between lower electrode and lower porous pressing plate.
Or described lower electrode adopts hole dimension to be greater than the mesh electrode of ion-exchange resin particles particle diameter, but be provided with the water filtering cap with lower porous pressing plate hole count same number between lower electrode and lower porous pressing plate, the water side of water filtering cap connects with the duct on lower porous pressing plate.
The beneficial effect that the utility model has is:
1) device is easy for installation, and not easily damaged.
2) resin layer is easily highly pressed, and is conducive to reducing resin layer resistance, reduces required regenerative voltage.
3) because resin layer can highly be pressed, between upper and lower resin particle, can close contact be remained, the remarkable increase of regenerative voltage can not be caused after a small amount of bubble that top electrode produces enters resin layer, simplification device structure.
4) integrated system can prepare high purity water continuously, stably.
The utility model is applicable to preparation of high-purity water, electroplate rinsing etc. containing the useless water purification of heavy metal ion and by the process of removing other water for the purpose of ionic impurity and waste water.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the utility model MFEDI device.
Fig. 2 is embodiment 1 front view of the present utility model.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the right view of Fig. 2.
Fig. 5 is embodiment 2 front view of the present utility model.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the right view of Fig. 5.
In figure: 1, upper interface, 2, cable sealed joint, 3, top cover, 4, top seal circle, 5, tubular shell, 6, screw rod, 7, upper nut, 8, Upper gasket, 9, spring, 10, middle Upper gasket, 11, upper porous pressing plate, 12, upper porous pressing plate for sealing circle, 13, top electrode, 14, insulation thimble, 15, resinbed, 16, middle nut, 17, middle lower gasket, 18, lower electrode, 19, lower porous pressing plate for sealing circle, 20, lower porous pressing plate, 21, lower gasket, 22, lower nut, 23, back-up ring, 24, bottom sealing-ring, 25, water port, 26, lower interface, 27, bottom, 28, two-port valve, 29, T-valve.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the screw rod that this system at least comprises two structures identical presses formula without film electric deionizer, each screw rod presses formula without film electric deionizer, all comprise by the top cover 3 with upper interface 1 and cable sealed joint 2, tubular shell 5, dielectric chamber with the bottom 27 with water port 25 and lower interface 26 forms, is equipped with top seal circle between top cover 3 and tubular shell 5 upper surface, between bottom 27 and tubular shell 5 lower surface, top seal circle is housed, porous pressing plate 11, top electrode 13, resinbed 15, lower electrode 18, lower porous pressing plate 20 and back-up ring 23 are installed in dielectric chamber from top to bottom successively, porous pressing plate for sealing circle 12 is housed between upper porous pressing plate 11 and tubular shell 5 inner ring, lower porous pressing plate for sealing circle 19 is housed between lower porous pressing plate 20 and tubular shell 5 inner ring, overcoat has the screw rod 6 of insulation thimble 14 coaxial successively through upper porous pressing plate 11 from top to bottom, top electrode 13, resinbed 15, lower electrode 18 and lower porous pressing plate 20, screw rod 6 lower end and lower electrode 18 are fixedly connected with lower porous pressing plate 20 nut that (namely screw rod 6 lower end is equipped with middle nut 16 from top to bottom successively, middle lower gasket 17, lower gasket 21 and lower nut 22, middle nut 16, middle lower gasket 17 is positioned at lower electrode 18 side above, lower gasket 21 and lower nut 22 are positioned at lower porous pressing plate 20 side below, clamp with middle nut 16 and lower nut 22), screw rod 6 inner sleeve being positioned at above porous pressing plate 11 one section has spring 9, one end of spring 9 is pressed on upper porous pressing plate 11 by middle Upper gasket 10, the other end of spring 9 is compressed by Upper gasket 8 upper nut 7, top electrode 13 and lower electrode 18 are connect respectively after wire and are connected with direct supply by cable sealed joint 2,
The screw rod that two structures are identical presses formula and forms a system without film electric deionizer, the lower interface of first device is connected with the normal open end of first T-valve through first two-port valve, and the lower interface of second device is connected with the normal open end of second T-valve through second two-port valve; One end in the other two ends of two T-valve is with water inlet pipe phase and connect, and the other end in the other two ends of two T-valve is with dense water pipe phase and connect; The upper interface of first device is connected with rising pipe after connecing by pipeline through the 4th two-port valve through the upper interface of the 3rd two-port valve and second device.
As shown in Figure 1, described resinbed 15 comprises a kind of Zeo-karb and a kind of anionite-exchange resin at least simultaneously; Yin and yang resin is mixed rear filling mutually evenly; Or by different ratios or different types of yin and yang resin respectively in addition after Homogeneous phase mixing point multilayer fill; Or in order to the reverse electromigration blocking ion is with positive resin, negative resin, positive resin, negative resin ... over-over mode divide multilayer to fill, or with negative and positive Homogeneous phase mixing resin, negative resin or positive resin, negative and positive Homogeneous phase mixing resin, negative resin or positive resin ... over-over mode divide multilayer to fill.
Described top electrode 13 is anode with an electrode in lower electrode 18, and another electrode is negative electrode.
Described top electrode 13 all adopts hole dimension to be less than the microporous mesh electrode of ion-exchange resin particles particle diameter with lower electrode 18.
Or described top electrode 13 adopts hole dimension to be greater than the mesh electrode of ion-exchange resin particles particle diameter, but between top electrode 13 and upper porous pressing plate 11, add filter screen or the filter cloth that 1 ~ 2 layer of aperture be less than ion-exchange resin particles particle diameter; Or described lower electrode 18 adopts hole dimension to be greater than the mesh electrode of ion-exchange resin particles particle diameter, but between lower electrode 18 and lower porous pressing plate 20, add filter screen or the filter cloth (not drawing in Fig. 1) that 1 ~ 2 layer of aperture be less than ion-exchange resin particles particle diameter.
Or described lower electrode 18 adopts hole dimension to be greater than the mesh electrode of ion-exchange resin particles particle diameter, but be provided with the water filtering cap with lower porous pressing plate 20 hole count same number between lower electrode 18 and lower porous pressing plate 20, the water side of water filtering cap connects (not drawing in Fig. 1) with the duct on lower porous pressing plate 20.
Single MFEDI device of the present utility model process and regenerative process as follows:
Single MFEDI device of the present utility model takes periodical operation, and process and regeneration hocket.During process, direct supply is not to its power supply, first current enter from lower interface 26, and then flow through lower porous pressing plate 20, lower electrode 18, resinbed 15, top electrode 13, upper porous pressing plate 11 from bottom to top successively, the high purity water after process finally flows out from upper interface 1.During regeneration, DC power supply, utilizes the H that top electrode 13 produces
+ion or OH
-ion and by direct current promote water power from and produce H
+ion and OH
-ion regenerates inefficacy resin cation (R.C.) and resin anion(R.A) respectively; Meanwhile, treated high purity water enters from upper interface 1, flows from top to bottom, just can carry the foreign ion that desorption gets off when flowing through resinbed 15, and the final dense water containing the foreign ion that desorption gets off flows out from lower interface 26.The most of bubble in regenerative process, top electrode 13 produced is accumulated on the downside of top cover 3, and flows out interface 1 with the high purity water after process in next treating processes; Small part bubble then passes resinbed 15 with stream of regenerant water, finally together with dense water, flows out lower interface 26 with the bubble that lower electrode 18 produces.
first embodiment of the present utility model:
As shown in Figure 2, Figure 3, Figure 4, the screw rod that two structures are identical presses formula and forms a system without film electric deionizer, the lower interface of first device is connected with the normal open end of first T-valve 29 through first two-port valve 28, and the lower interface of second device is connected with the normal open end of second T-valve 29 through second two-port valve 28; One end in the other two ends of two T-valve is with water inlet pipe phase and connect, and the other end in the other two ends of two T-valve is with dense water pipe phase and connect; The upper interface of first device is connected with rising pipe after connecing by pipeline through the 4th two-port valve 28 through the upper interface of the 3rd two-port valve 28 and second device.
Its principle of work is as follows:
Two devices process at the beginning simultaneously, and institute's production water is all sent outside by rising pipe; After running for some time, one of them device proceeds to regeneration, and another device continues process, and the part in its production water is as regeneration water for the device being in reproduced state, and another part water outlet is sent outside by rising pipe.After the above-mentioned device being in reproduced state terminates regeneration, return to treated state at once, two devices water processed simultaneously again, institute's production water is all sent outside by rising pipe again.After for some time, the device not yet carrying out regenerating proceeds to regeneration, and the device through regeneration maintains treated state, similarly, a part in its production water is as regeneration water for the device being in reproduced state, and another part water outlet is then sent outside by rising pipe.Said process reciprocation cycle, whole system can be sent outside by water processed continuously.Described two-port valve is manual valve, is mainly used in the isolation between each unit and system, to overhaul MFEDI device.Described T-valve is the self-acting valves such as pneumavalve, motorized valve, magnetic valve.Described threeway self-acting valve also can replace with two two-way self-acting valves.The switching for the treatment of processes and regenerative process, all adopts control, automatic operation automatically.System uses a direct supply, powers in turn to the device being in reproduced state.
second embodiment of the present utility model:
As shown in Fig. 5, Fig. 6, Fig. 7, one presses formula without the continuous water manufacturing system that film electric deionizer forms by the screw rod that ten structures are identical is that example is described.This system is divided into V unit, and each unit all comprises two MFEDI devices.
In V unit above: the lower interface of Unit the Ith is connected with the normal open end of first T-valve 29 through first two-port valve 28, the lower interface of Unit the IIth is connected with the normal open end of second T-valve 29 through second two-port valve 28 ... the lower interface of Unit the Vth is connected with the normal open end of the 5th T-valve 29 through the 5th two-port valve 28; In Unit V below: the lower interface of each unit connects the 6th, the 7th, the 8th, the 9th, the tenth respective two-port valve 28 respectively, respective two-port valve 28 is connected with the normal open end of the 5th T-valve 29 with first, second, the 3rd, the 4th respectively, one end in the other two ends of each T-valve is with water inlet pipe phase and connect, and the other end in the other two ends of each T-valve is with dense water pipe phase and connect;
The upper interface of the MFEDI device that ten structures are identical connects respective two-port valve 28 (upper interface has ten two-port valves) respectively by pipeline and is connected with rising pipe after connecing.
Its principle of work is as follows:
In system, each unit regenerates in turn, and namely first regenerate Unit the Ith, remaining element is in treated state; After Ith regeneration unit, regenerate Unit the IIth again, remaining element is in treated state, the like.Like this, water processed can carry out continuously, and the regeneration water of a certain unit goes out water supply by other unit.Described two-port valve is manual valve, is mainly used in the isolation between each unit and system, to overhaul MFEDI device.Described T-valve is the self-acting valves such as pneumavalve, motorized valve, magnetic valve.Described threeway self-acting valve also can replace with two two-way self-acting valves.The switching for the treatment of processes and regenerative process, all adopts control, automatic operation automatically.System uses two direct supplys, and one of them direct supply is powered to the device being in reproduced state in the device of V above in turn, and another direct supply is powered to the device being in reproduced state in the device of V below in turn.During extensive water processed, the above-mentioned MFEDI integrated system of multiple separate, parallel running can be adopted.
specific embodiment:
First-stage reverse osmosis water outlet adopts the MFEDI system shown in Fig. 2, Fig. 3, Fig. 4 to process.Be 35m/h at average treatment flow velocity and regeneration velocity, in the work period, treatment time and recovery time are respectively 180min and 15min, and water inlet specific conductivity is 4.5-5.5 μ s/cm, and regenerative current density is 200A/m
2operating mode under, required average regenerative voltage and energy consumption are respectively 920V and 0.44kWh/m
3, water outlet conductivity is 0.060-0.070 μ s/cm, and Water Sproading rate is 92%.
Above-mentioned embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (6)
1. a screw rod presses formula without the continuous water manufacturing system of film electrodeionization, it is characterized in that: the screw rod that this system at least comprises two structures identical presses formula without film electric deionizer, each screw rod presses formula without film electric deionizer, all comprise by the top cover (3) with upper interface (1) and cable sealed joint (2), tubular shell (5), and with the dielectric chamber that the bottom (27) of water port (25) and lower interface (26) forms; Porous pressing plate (11), top electrode (13), resinbed (15), lower electrode (18), lower porous pressing plate (20) and back-up ring (23) are installed in dielectric chamber from top to bottom successively, between upper porous pressing plate (11) and tubular shell (5) inner ring, porous pressing plate for sealing circle (12) is housed, between lower porous pressing plate (20) and tubular shell (5) inner ring, lower porous pressing plate for sealing circle (19) is housed; Screw rod (6) is coaxial successively through upper porous pressing plate (11), top electrode (13), resinbed (15), lower electrode (18) and lower porous pressing plate (20) from top to bottom, screw rod (6) lower end is fixedly connected with nut with lower porous pressing plate (20) with lower electrode (18), screw rod (6) inner sleeve being positioned at above porous pressing plate (11) one section has spring (9), one end of spring (9) is pressed on porous pressing plate (11), and the other end of spring (9) compresses with upper nut (7); Be connected with direct supply by cable sealed joint (2) after top electrode (13) connects wire respectively with lower electrode (18);
The screw rod that two structures are identical presses formula and forms a system without film electric deionizer, the lower interface of first device is connected with the normal open end of first T-valve through first two-port valve, and the lower interface of second device is connected with the normal open end of second T-valve through second two-port valve; One end in the other two ends of two T-valve is with water inlet pipe phase and connect, and the other end in the other two ends of two T-valve is with dense water pipe phase and connect; The upper interface of first device is connected with rising pipe after connecing by pipeline through the 4th two-port valve through the upper interface of the 3rd two-port valve and second device.
2. a kind of screw rod according to claim 1 presses formula without the continuous water manufacturing system of film electrodeionization, it is characterized in that: described resinbed (15) comprises a kind of Zeo-karb and a kind of anionite-exchange resin at least simultaneously; Yin and yang resin is mixed rear filling mutually evenly; Or by different ratios or different types of yin and yang resin respectively in addition after Homogeneous phase mixing point multilayer fill; Or in order to the reverse electromigration blocking ion is with positive resin, negative resin, positive resin, negative resin ... over-over mode divide multilayer to fill, or with negative and positive Homogeneous phase mixing resin, negative resin or positive resin, negative and positive Homogeneous phase mixing resin, negative resin or positive resin ... over-over mode divide multilayer to fill.
3. a kind of screw rod according to claim 1 presses formula without the continuous water manufacturing system of film electrodeionization, it is characterized in that: described top electrode (13) is anode with an electrode in lower electrode (18), and another electrode is negative electrode.
4. a kind of screw rod according to claim 1 presses formula without the continuous water manufacturing system of film electrodeionization, it is characterized in that: described top electrode (13) and lower electrode (18) all adopt hole dimension to be less than the microporous mesh electrode of ion-exchange resin particles particle diameter.
5. a kind of screw rod according to claim 1 presses formula without the continuous water manufacturing system of film electrodeionization, it is characterized in that: described top electrode (13) adopts hole dimension to be greater than the mesh electrode of ion-exchange resin particles particle diameter, but between top electrode (13) and upper porous pressing plate (11), add filter screen or the filter cloth that 1 ~ 2 layer of aperture be less than ion-exchange resin particles particle diameter; Described lower electrode (18) adopts hole dimension to be greater than the mesh electrode of ion-exchange resin particles particle diameter, but adds filter screen or filter cloth that 1 ~ 2 layer of aperture be less than ion-exchange resin particles particle diameter between lower electrode (18) and lower porous pressing plate (20).
6. a kind of screw rod according to claim 1 presses formula without the continuous water manufacturing system of film electrodeionization, it is characterized in that: described lower electrode (18) adopts hole dimension to be greater than the mesh electrode of ion-exchange resin particles particle diameter, but be provided with the water filtering cap with lower porous pressing plate (20) hole count same number between lower electrode (18) and lower porous pressing plate (20), the water side of water filtering cap connects with the duct on lower porous pressing plate (20).
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|---|---|---|---|
| CN201420781196.8U CN204400675U (en) | 2014-12-12 | 2014-12-12 | A kind of screw rod presses formula without the continuous water manufacturing system of film electrodeionization |
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|---|---|---|---|
| CN201420781196.8U CN204400675U (en) | 2014-12-12 | 2014-12-12 | A kind of screw rod presses formula without the continuous water manufacturing system of film electrodeionization |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445535A (en) * | 2014-12-12 | 2015-03-25 | 浙江大学 | Screw rod pressing membraneless electrodeionization continuous water production system |
| CN111359680A (en) * | 2020-04-16 | 2020-07-03 | 大连平源环保科技有限公司 | Membrane-free ion exchange resin electric regeneration device based on filter element electrode |
-
2014
- 2014-12-12 CN CN201420781196.8U patent/CN204400675U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445535A (en) * | 2014-12-12 | 2015-03-25 | 浙江大学 | Screw rod pressing membraneless electrodeionization continuous water production system |
| CN111359680A (en) * | 2020-04-16 | 2020-07-03 | 大连平源环保科技有限公司 | Membrane-free ion exchange resin electric regeneration device based on filter element electrode |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150617 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |