CN211998962U - Flow capacitor deionization device of multiple electrode pipeline - Google Patents
Flow capacitor deionization device of multiple electrode pipeline Download PDFInfo
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- CN211998962U CN211998962U CN202020050185.8U CN202020050185U CN211998962U CN 211998962 U CN211998962 U CN 211998962U CN 202020050185 U CN202020050185 U CN 202020050185U CN 211998962 U CN211998962 U CN 211998962U
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Abstract
The utility model provides a flow electric capacity deionization equipment of multiple electrode pipeline, belongs to the water treatment field, the device includes water layer baffle, gasket, ion exchange membrane, mass flow body, bottom plate, mobile electrode pipeline, the centre is arranged in to the water layer baffle, and the bilateral symmetry of water layer baffle is equipped with gasket, ion exchange membrane, mass flow body, bottom plate in proper order, be equipped with the mobile electrode pipeline on the mass flow body, bottom plate to the lower extreme between the water layer baffle is equipped with the water inlet, and its upper end is equipped with the delivery port, the both ends of mobile electrode pipeline are equipped with the mobile electrode pore. The utility model discloses can solve the problem of pipeline jam to with the parallel connection of flowing electrode pipeline series-parallel, can have multiple desalination mode.
Description
Technical Field
The utility model belongs to the water treatment field especially relates to a flow electric capacity deionization device of multiple electrode pipeline.
Background
The shortage of fresh water resources and the growing population make people increasingly demand fresh water, but there is still no solution to how to effectively utilize the salt water in the ocean and some lakes. The salt in the water is difficult to remove, and the problems of water quality purification and water body utilization are always solved. The salt in the brine can corrode pipelines and also pollute other water sources. Meanwhile, the cost and the side effects in the treatment process are a problem which cannot be ignored.
The existing water purification technology used in large scale has the problem that the energy consumption of multi-stage flash evaporation is huge; the ion exchange and reverse osmosis technologies both require expensive regeneration processes, and the regeneration process can bring secondary pollution; although the electrodialysis system is commercialized, the voltage used is very high, the power consumption is serious, and a large amount of gas is generated due to the electrolysis of water, which affects the water purification effect.
The capacitive deionization technology is that charged particles in water are adsorbed on the surface of a charged electrode, so that salt in the water is enriched on the electrode to achieve the purpose of reducing the salt in the water. Compared with other technologies, the technology has the advantages of higher energy efficiency, environmental friendliness, cleanness, no pollution, safety, energy conservation and simple process.
A Capacitive Deionization (CDI) apparatus is an apparatus for desalting brine by using a capacitive deionization technique. However, because the electrode of the conventional CDI apparatus adsorbs limited charged particles, after the electrode plate adsorption reaches saturation, a desorption process is required, that is, the positive and negative electrodes are reversely connected or short-circuited, so that the charged particles adsorbed on the electrode plate are desorbed, and the process needs a long period of time, resulting in low efficiency of the whole process.
A flow electrode capacitive deionization (FCDI) device is a device in which the electrodes are changed to flow, and desorption of the electrodes occurs outside the device. Because the electrode is desorbed outside the device, the electrode after the external desorption flows into the cathode chamber and the anode chamber again, the continuous update of the electrode is realized, the adsorbable salt content of the electrode is greatly increased, the continuous high-speed desalting charged particles can be continuously sucked out, the desorption process is omitted, and the working efficiency is greatly improved.
In a general FCDI device, a flow electrode pipeline adopts a serpentine baffling flow channel, and the design pipeline is single and is easy to block at a zigzag position. In case of failure, the device needs to be dismantled for maintenance, which has great limitation in practical application work.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to above not enough modified FCDI device of a multiple flowing electrode pipeline prevents the problem of pipeline jam effectively. And the flowing electrode pipelines are connected in series and in parallel, so that various desalting modes can be realized. When the concentration of the brine to be treated is high, the desalting efficiency is ensured by adopting a mode of fully opening a flowing electrode pipeline; when the concentration of the brine to be treated is low, part of the flow electrode pipeline can be closed, so that electric energy is saved, and the current efficiency is improved.
It the utility model discloses a flow electrode pipeline directly imprints on the mass flow body, keeps apart through ion exchange membrane and salt solution layer. The design greatly saves space, reduces the required distance between two current collector plates and enhances the desalting performance. Because the flowing electrode liquid directly contacts the current collector, the resistance caused by the isolation of the two parts is reduced, and larger current can be obtained under the same voltage, so that the effect of desalting is enhanced.
The utility model adopts the following technical scheme:
the utility model provides a multiple electrode pipeline's mobile electric capacity deionization device, the device includes water layer baffle, gasket, ion exchange membrane, mass flow body, bottom plate, mobile electrode pipeline, the centre is arranged in to the water layer baffle, and the bilateral symmetry of water layer baffle is equipped with gasket, ion exchange membrane, mass flow body, bottom plate in proper order, be equipped with the mobile electrode pipeline on the mass flow body, bottom plate to the lower extreme between the water layer baffle is equipped with the water inlet, and its upper end is equipped with the delivery port, the both ends of mobile electrode pipeline are equipped with the mobile electrode pore.
Further, the water layer partition plate, the gasket, the ion exchange membrane, the current collector and the bottom plate are fixed through screws on two sides of the bottom plate.
Furthermore, the bottom plate is provided with a groove, and the current collector is embedded in the groove of the bottom plate.
Further, a peristaltic pump is connected to the outside of the flowing electrode pore passage.
Furthermore, a peristaltic pump is connected to the outside of the water inlet, and a conductivity meter is connected to the outside of the water inlet.
Furthermore, the flow electrode pipeline is marked on the current collector and is in a linear shape, and the linear shape is sequentially arranged in parallel to form a whole.
Further, the water layer partition plate and the bottom plate are organic glass plates, and the current collector is a stainless steel plate.
Furthermore, the ion exchange membrane is respectively an anion exchange membrane and a cation exchange membrane at the two sides of the anion and cation area.
Further, the flowing direction of the flowing electrode in the flowing electrode pipeline is consistent with the flowing direction of the saline water to be treated in the water layer clapboard on the horizontal direction.
Furthermore, the device is formed by splicing plates and is communicated and connected by a hose.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a mode of plate concatenation, simple structure, overall arrangement are neat, and material cost is low, the production of being convenient for. The plate in the x and y directions and the pipeline in the z direction are used, so that the space is reasonably and effectively saved, and the spatial arrangement is optimized.
2. The utility model discloses a mass flow body adopts stainless steel, and the flowing electrode pipeline is carved on the mass flow body, has practiced thrift the space of pipeline to the effective contact between flowing electrode and mass flow body has been increased. Compared with single electrode material, the mixed material has better conductivity, thereby enhancing the electric adsorption effect.
3. The utility model discloses at water layer baffle both sides design gasket, can adjust the interval of bipolar plate, be convenient for adjust test parameter.
4. The utility model discloses a linear type flowing electrode pipeline, the effectual jam that has prevented in the pipeline department of buckling, to a great extent has reduced because of the condition of jam dismantlement maintenance.
5. The utility model adopts a multi-flow electrode pipeline, which can have a plurality of working modes, and can close part of pipelines when the concentration of the brine to be treated is lower; when the concentration of the brine to be treated is higher, all pipelines are opened to achieve the expected desalting effect.
6. The utility model discloses an organic glass material makes things convenient for the mobile condition in the tester viewing device, and organic glass has characteristics such as the surface is smooth, intensity is great, corrosion-resistant, moisture-proof, fast shine, insulating properties is good, the sound insulation is good, nevertheless should pay attention to the protection to the outside in experimental and handling, prevents to cause the secondary damage to the people.
7. The utility model discloses the structure concatenation is simple, easily dismantles, convenient maintenance and improvement.
8. The utility model discloses a bottom plate links to each other with gasket and water layer baffle, and the outside constitutes the shell, has realized the multi-functionalization of each part, and multiple functions integration.
9. The utility model discloses used material low price can assemble by oneself, and the price is compared more economy with traditional instrument, and the durable experimental requirement that satisfies of material.
Drawings
FIG. 1 is a top view of a flow capacitor deionization apparatus with multiple electrode lines;
FIG. 2 is a front view of a flow capacitor deionization apparatus with multiple electrode lines.
The components in the figure: 1 is a water layer clapboard, 2 is a gasket, 3 is an ion exchange membrane, 4 is a current collector, 5 is a bottom plate, 6 is a flowing electrode pipeline, 7 is a flowing electrode pore passage, 8 is a water outlet and 9 is a water inlet.
Detailed Description
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it should be apparent that the drawings are only schematic diagrams of the apparatus in the present application, and are further improved and adjusted in practical applications.
Example 1
The utility model discloses water layer baffle 1 in the middle constitutes the regional adsorption zone who comprises gasket 2, ion exchange membrane 3, mass flow body 4 of arranging in proper order with both sides symmetry, and last reuse bottom plate 5 presss from both sides each board in the centre, with screw fixation both sides bottom plate to it is fixed with each plate.
The utility model discloses divide into pending district, absorption workspace and outside workspace.
The area to be treated comprises a water layer clapboard 1 and gaskets 2, wherein the gaskets 2 are arranged on two sides of the water layer clapboard 1, and the plate distance is adjusted according to different thicknesses. The injected brine to be treated flows through this zone.
The adsorption working area comprises a current collector 4 and a bottom plate 5, and the current collector 4 is embedded in a groove of the bottom plate 5. When the device works, the region carries out desalination treatment on the saline water in the region to be treated.
The external working area comprises a peristaltic pump connected with a flowing electrode pore passage 7, a peristaltic pump connected with a water inlet 9, a conductivity meter connected with the water inlet 9 and a device for desorbing and recycling the flowing electrode.
The flow electrode pipelines 6 are marked on the current collectors 4 and are in a linear shape, and are sequentially arranged in parallel to form a whole.
The region to be treated and the adsorption working region are separated by an ion exchange membrane 3, so that water cannot pass through, and charged particles pass through according to a specific mode, so as to achieve the effect of desalting brine.
The flowing electrode liquid is a high-concentration salt solution containing activated carbon and carbon black, enters the flowing electrode pipeline 6 through the flowing electrode pore channel 7 and flows in a working state.
The water layer partition plate 1 and the bottom plate 5 are made of organic glass plates, and the current collector 4 is made of a stainless steel plate.
The ion exchange membranes 3 on the two sides of the anion and cation areas are respectively an anion exchange membrane and a cation exchange membrane.
And the current collectors of the cathode and anode regions are connected with leads which are respectively connected with positive and negative direct current voltages.
The peristaltic pump is arranged at the water inlet 9, so that water flows at a constant speed, and the saline water to be treated is continuously supplied during the test.
A conductivity meter is arranged at the water inlet 9 to constantly monitor the brine concentration of the water flow, and when the brine concentration is high, the adsorption rate needs to be high, and the electrode pipelines are all opened; when the concentration is lower, the required adsorption effect can be achieved by closing part of the electrode pipelines.
The pipelines are formed by splicing plates and are communicated and connected through hoses.
As shown in fig. 1, the current collector is embedded in the groove of the bottom plate, which not only has a fixing function, but also can prevent short circuit caused by conductor contact and danger caused by conductor exposure.
As shown in figure 2, the water inlet pipe is arranged on the lower side of the water pipe, the water outlet pipe is arranged on the upper side of the water pipe, and the water inlet mode can enable salt water to fully fill the interlayer space.
As shown in fig. 2, the flow direction of the flow electrode is consistent with the horizontal flow direction of the brine to be treated, so that the retention time of the brine to be treated is increased to a certain extent, the adsorption time is indirectly prolonged, and a better adsorption effect is realized.
Referring to fig. 1 and 2, the present invention provides a flow capacitor deionization apparatus for a multiple electrode pipeline, which has the following usage:
before the test: at first staff reply the utility model discloses inspect, whether the inspection has the trouble, if there is the trouble, need in time contact maintenance personal and maintain, if no trouble, then can use.
The test was started: before desalting, the flowing electrode liquid is injected into a flowing electrode pore canal 7 to fill the flowing electrode pore canal 6, a peristaltic pump is started and the flow rate is set to enable the flowing electrode to flow according to the direction shown in the figure, then positive and negative direct current voltages are respectively connected to current collectors at two poles, after the voltages are stabilized for a period of time, saline water to be treated is led into a region to be treated of the device through a water inlet 9, the peristaltic pump is started and the flow rate is set. The concentration of the brine to be treated and thus the mode of operation of the adsorption operation can be determined by means of a conductivity meter. After adsorption desalination, the treated desalinated water is discharged through the water outlet 8. The flowing electrode flows into the desorption device, and before the device is applied to actual work, the optimal test conditions can be found through preliminary experiments, including but not limited to the conditions of optimal voltage, optimal plate spacing, optimal saline flow rate, optimal flowing electrode flow rate and the like.
And (4) finishing the test: and stopping introducing the saline water by the staff, adopting a distilled water introducing device, cleaning the pipeline and the inside of the device, disconnecting the current collector power supply, closing the flow electrode peristaltic pump, and ending the test.
The ion exchange membrane needs to be replaced in time after being used for a period of time, otherwise the ion migration rate is influenced, and the desalting adsorption performance is reduced. During application or maintenance, attention is paid to the protection of the ion exchange membrane, for example, the ion exchange membrane is damaged, and the flowing electrode liquid is mixed into a region to be treated, so that the device is damaged and fails.
The utility model discloses can control each experimental parameter, make the test efficiency maximize, the assurance test can normally go on in order, reduces environmental pollution. The utility model discloses but wide application in middle-size and small-size enterprise and each laboratory salt water desalination test field.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a flow capacitance deionization device of multiple electrode pipeline which characterized in that: the device includes water layer baffle (1), gasket (2), ion exchange membrane (3), mass flow body (4), bottom plate (5), mobile electrode pipeline (6), the centre is arranged in water layer baffle (1), and the bilateral symmetry of water layer baffle (1) is equipped with gasket (2), ion exchange membrane (3), mass flow body (4), bottom plate (5) in proper order, be equipped with mobile electrode pipeline (6) on mass flow body (4), bottom plate (5) are equipped with water inlet (9) to the lower extreme between water layer baffle (1), and its upper end is equipped with delivery port (8), the both ends of mobile electrode pipeline (6) are equipped with mobile electrode pore (7).
2. The flow capacitance deionization unit of a multi-electrode line as claimed in claim 1, wherein: the water layer partition plate (1), the gasket (2), the ion exchange membrane (3), the current collector (4) and the bottom plate (5) are fixed through screws on two sides of the bottom plate (5).
3. The flow capacitance deionization unit of a multi-electrode line as claimed in claim 1, wherein: the bottom plate (5) is provided with a groove, and the current collector (4) is embedded in the groove of the bottom plate (5).
4. The flow capacitance deionization unit of a multi-electrode line as claimed in claim 1, wherein: the exterior of the flowing electrode pore canal (7) is connected with a peristaltic pump.
5. The flow capacitance deionization unit of a multi-electrode line as claimed in claim 1, wherein: the outside of the water inlet (9) is connected with a peristaltic pump, and the outside of the water inlet (9) is connected with a conductivity meter.
6. The flow capacitance deionization unit of a multi-electrode line as claimed in claim 1, wherein: the flow electrode pipelines (6) are engraved on the current collectors (4) and are linear strips which are sequentially arranged in parallel to form a whole.
7. The flow capacitance deionization unit of a multi-electrode line as claimed in claim 1, wherein: the water layer partition plate (1) and the bottom plate (5) are organic glass plates, and the current collector (4) is a stainless steel plate.
8. The flow capacitance deionization unit of a multi-electrode line as claimed in claim 1, wherein: the ion exchange membrane (3) is respectively an anion exchange membrane and a cation exchange membrane at the two sides of the anion and cation area.
9. The flow capacitance deionization unit of a multi-electrode line as claimed in claim 1, wherein: the flowing direction of the flowing electrode in the flowing electrode pipeline (6) is consistent with the flowing direction of the saline water to be treated in the water layer clapboard (1) on the horizontal direction.
10. The flow capacitance deionization unit of a multi-electrode line as claimed in claim 1, wherein: the device is formed by splicing plates and is connected by a hose.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020050185.8U CN211998962U (en) | 2020-01-10 | 2020-01-10 | Flow capacitor deionization device of multiple electrode pipeline |
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| CN202020050185.8U CN211998962U (en) | 2020-01-10 | 2020-01-10 | Flow capacitor deionization device of multiple electrode pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794415A (en) * | 2021-01-28 | 2021-05-14 | 重庆大学 | Capacitive deionization device and method for submerged flow electrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794415A (en) * | 2021-01-28 | 2021-05-14 | 重庆大学 | Capacitive deionization device and method for submerged flow electrode |
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