CN217127169U - Water filtering device and water purifier with same - Google Patents
Water filtering device and water purifier with same Download PDFInfo
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- CN217127169U CN217127169U CN202122030401.XU CN202122030401U CN217127169U CN 217127169 U CN217127169 U CN 217127169U CN 202122030401 U CN202122030401 U CN 202122030401U CN 217127169 U CN217127169 U CN 217127169U
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Abstract
The utility model provides a water filtering device and a purifier that has this water filtering device, wherein water filtering device is provided with bipolar membrane electrodeionization unit and filter core unit, and pipe-line system is all located to bipolar membrane electrodeionization unit and filter core unit, and when regeneration operating mode, bipolar membrane electrodeionization unit's delivery port and the water inlet intercommunication of filter core unit. And when the regeneration working condition is met, the water inlet of the bipolar membrane electrodeionization unit is communicated with the water production port of the filter element unit. The utility model discloses the thick water of regeneration that produces when bipolar membrane electrodeionization unit regeneration continues to get into the filter core unit and handles as the raw water of filter core unit, avoids this part thick water of regeneration as the direct discharge system of waste water to reduce the waste water proportion.
Description
Technical Field
The utility model relates to a purifier technical field, in particular to water filtering device and have this water filtering device's purifier.
Background
A bipolar membrane electrodeionization unit is used as a water treatment technology and comprises an electrode group and bipolar membranes positioned between the electrodes, each bipolar membrane comprises a cation exchange membrane and an anion exchange membrane which are attached together, and a flow channel is formed between each bipolar membrane and the adjacent bipolar membrane or between the adjacent electrodes.
Bipolar membrane electrodeionization unit in the desalination process, the anode membrane of the bipolar membrane faces the positive electrode, and raw water is desalinated in a flow channel formed between the two bipolar membranes, as shown in fig. 1. When desalination is carried out for a period of time, reverse-pole regeneration is required to release ions in water adsorbed on the bipolar membrane, as shown in FIG. 2. And when the bipolar membrane electrodeionization unit is in a regeneration working condition, a large amount of water needs to be introduced into the bipolar membrane electrodeionization unit for regeneration to obtain regenerated concentrated water, and the regenerated concentrated water can be directly discharged as wastewater, so that the wastewater proportion of the water purifier is increased.
Therefore, it is necessary to provide a water filtering device and a water purifier having the same to solve the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model is to avoid the disadvantages of the prior art and provide a water filtering device which can reduce the proportion of waste water.
The above object of the present invention is achieved by the following technical measures:
the utility model provides a water filtering device is provided with bipolar membrane electrodeionization unit and filter core unit, and pipeline system is all located to bipolar membrane electrodeionization unit and filter core unit. And when the bipolar membrane electrodeionization unit is in a regeneration working condition, the water outlet of the bipolar membrane electrodeionization unit is communicated with the water inlet of the filter element unit. The water filtering device can prevent regenerated concentrated water generated by the bipolar membrane electrodeionization unit from being directly discharged out of a system as wastewater, so that the proportion of the wastewater is reduced.
When the regeneration operating mode, bipolar membrane electrodeionization unit's water inlet with the product water mouth intercommunication of filter core unit, the effect is that the product water that uses the filter core unit to obtain regenerates bipolar membrane electrodeionization unit to can improve bipolar membrane electrodeionization unit's regeneration efficiency.
When the water producing working condition is adopted, one of the concentrated water outlets of the filter element unit is communicated with the water inlet, and the effect is to further reduce the proportion of the waste water.
When the water producing working condition is met, at least one of the water inlet of the filter element unit or the water inlet of the bipolar membrane electrodeionization unit is communicated with the raw water inlet end, and the water producing device has the function that a user can obtain water with different water qualities according to the reality.
Preferably, the pipeline system is provided with a water inlet pipeline, a water production pipeline and a regeneration pipeline. When the regeneration working condition is met, the water outlet of the bipolar membrane electrodeionization unit is communicated with the water production port of the filter element unit through a regeneration pipeline, and the water inlet of the filter element unit is communicated with the water inlet pipeline. When the water is produced under the working condition, at least one of the water inlet of the bipolar membrane electrodeionization unit or the water inlet of the filter element unit is communicated with the water inlet pipeline, and the water producing port of the bipolar membrane electrodeionization unit and the water producing port of the filter element unit are communicated with the water producing pipeline. Through the communication of the water inlet pipeline, the water production pipeline and the regeneration pipeline, the bipolar membrane electrodeionization unit and the filter element unit are practical.
Preferably, the pipeline system is further provided with a concentrated water pipeline, when the water is produced, one concentrated water outlet of the filter element unit is communicated with the water inlet through the concentrated water pipeline, and concentrated water circulation of the filter element unit is realized through the concentrated water pipeline.
Preferably, the pipeline system is further provided with three check valves for preventing backflow, which are respectively defined as a first check valve, a second check valve and a third check valve, the first check valve is located in the concentrated water pipeline, the second check valve is located in the regeneration pipeline, and the third check valve is located in the water inlet pipeline between the raw water inlet end and the water inlet of the bipolar membrane electrodeionization unit. The water filtering device can prevent backflow through the one-way valve.
Preferably, the above pipeline system is further provided with five control valves, which are respectively defined as a first control valve, a second control valve, a third control valve, a fourth control valve and a fifth control valve, wherein the first control valve is located in the concentrated water pipeline, the second control valve is located in the regeneration pipeline, the third control valve is located in the raw water inlet end and the water inlet pipeline between the water inlets of the bipolar membrane electrodeionization units, the fourth control valve is located in the water production pipeline, and the fifth control valve is located in the raw water inlet end and the water inlet pipeline between the water inlets of the filter element units. The control valve is used for controlling the on-off of the water inlet pipeline, the regeneration pipeline, the water production pipeline, the concentrated water pipeline, the filter element unit and the bipolar membrane electrodeionization unit.
The utility model discloses a water filtering device still is provided with preceding processing unit, and preceding processing unit sets up in the inlet channel, and just preceding processing unit is located between the water inlet of regeneration duct and filter core unit. The pretreatment unit is used for improving the water quality of the inlet water of the filter element unit.
Preferably, the filter element unit is a reverse osmosis filter element or a nanofiltration filter element.
Preferably, the pretreatment unit is a PP cotton filter element or an activated carbon filter element.
Another object of the utility model is to avoid the disadvantages of the prior art and provide a water purifier, which can reduce the proportion of waste water.
The above object of the present invention is achieved by the following technical measures:
provides a water purifier which is provided with the water filtering device.
The utility model discloses a water filtering device and a purifier that has this water filtering device, wherein water filtering device is provided with bipolar membrane electrodeionization unit and filter core unit, and pipe-line system is all located to bipolar membrane electrodeionization unit and filter core unit, when regeneration operating mode, bipolar membrane electrodeionization unit's delivery port with the water inlet intercommunication of filter core unit. The utility model discloses the thick water of regeneration that produces when bipolar membrane electrodeionization unit regeneration continues to get into and handles in the filter core unit as the raw water of filter core unit, avoids this part thick water of regeneration as the direct discharge system of waste water to reduce the waste water proportion.
Drawings
The present invention will be further described with reference to the accompanying drawings, but the contents in the drawings do not constitute any limitation to the present invention.
FIG. 1 is a schematic diagram of a desalination regime of a bipolar membrane electrodeionization unit.
FIG. 2 is a schematic diagram of the regeneration regime of a bipolar membrane electrodeionization unit.
Fig. 3 is a schematic connection diagram of a water filtering device according to example 1.
FIG. 4 is a water path diagram for the regeneration condition of FIG. 3.
FIG. 5 is a water path diagram of the bipolar membrane electrodeionization unit and the filter element unit simultaneously producing water in FIG. 3.
Fig. 6 is a water path diagram of water production with only the cartridge unit in fig. 3.
FIG. 7 is a water circuit diagram of water produced in the bipolar membrane electrodeionization unit of FIG. 3 alone.
Fig. 8 is a schematic connection diagram of a water filtering device according to example 2.
FIG. 9 is a water path diagram of the bipolar membrane electrodeionization unit and the filter element unit simultaneously producing water in FIG. 8.
Fig. 10 is a schematic connection diagram of a water filtering device according to example 3.
In fig. 1 to 10, there are included:
the device comprises a filter element unit 100, a bipolar membrane electrodeionization unit 200, a first check valve 300, a second check valve 400, a third check valve 500, a first control valve 600, a second control valve 700, a third control valve 800, a fourth control valve 900, a fifth control valve 1000 and a pretreatment unit 1100.
Detailed Description
The technical solution of the present invention will be further explained by the following examples.
Example 1.
A water filtering device, as shown in fig. 3, is provided with a bipolar membrane electrodeionization unit 200 and a filter element unit 100, and the bipolar membrane electrodeionization unit 200 and the filter element unit 100 are both provided in a piping system.
And under the regeneration working condition, the water outlet of the bipolar membrane electrodeionization unit 200 is communicated with the water inlet of the filter element unit 100.
It should be noted that in practical cases, the regeneration of the bipolar membrane electrodeionization unit 200 requires several minutes to several tens of minutes of regeneration treatment, and a large amount of regenerated concentrated water is generated in this process. Moreover, in the regeneration process, the bipolar membrane electrodeionization unit 200 slowly releases ions attached to the bipolar membrane, the content of impurities in the generated regenerated concentrated water is only slightly higher than that of tap water entering the filter element unit 100, and the regenerated concentrated water can actually enter the filter element unit 100 to be treated to obtain produced water for drinking or regenerate the bipolar membrane electrodeionization unit 200. Therefore, when the bipolar membrane electrodeionization unit 200 is regenerated, the regenerated water generated by the bipolar membrane electrodeionization unit 200 is taken as raw water of the filter element unit 100 and continuously enters the filter element unit 100 for treatment, so that the proportion of wastewater can be greatly reduced.
The utility model discloses a bipolar membrane electrodeionization unit 200's water inlet and filter element unit 100's product water mouth intercommunication.
The utility model discloses an use production after filter core unit 100 handles to bipolar membrane electrodeionization unit 200 regeneration, the quality of water that gets into bipolar membrane electrodeionization unit 200 this moment is better, can improve the effect that bipolar membrane electrodeionization unit 200 regenerates.
And when the water is produced, at least one of the water inlet of the filter element unit 100 or the water inlet of the bipolar membrane electrodeionization unit 200 is communicated with the raw water inlet end.
Because the bipolar membrane electrodeionization unit 200 can remove a portion of the minerals, a portion of the minerals remain, while the retention of minerals by the cartridge unit 100 is low. When a user needs water with different mineral contents, one of the filter element unit 100 or the bipolar membrane electrodeionization unit 200 can be selected, or the filter element unit 100 and the bipolar membrane electrodeionization unit 200 can simultaneously produce water, so as to meet the requirements of the mineral contents in different produced water.
This real neotype pipe-line system is provided with inlet channel, regeneration pipeline and product water pipeline.
When the regeneration working condition is met, the water outlet of the bipolar membrane electrodeionization unit 200 is communicated with the water production port of the filter element unit 100 through a regeneration pipeline, and the water inlet of the filter element unit 100 is communicated with a water inlet pipeline.
When the water is produced, at least one of the water inlet of the bipolar membrane electrodeionization unit 200 or the water inlet of the filter element unit 100 is communicated with the water inlet pipeline, and the water production port of the bipolar membrane electrodeionization unit 200 and the water production port of the filter element unit 100 are communicated with the water production pipeline.
The pipeline system is further provided with a second check valve 400, a second control valve 700, a third control valve 800, a fourth control valve 900 and a fifth control valve 1000, the second check valve 400 is located in the regeneration pipeline, the third check valve 500 is located in the water inlet pipeline between the raw water inlet end and the water inlet of the bipolar membrane electrodeionization unit 200, the second control valve 700 is located in the regeneration pipeline, the third control valve 800 is located in the water inlet pipeline between the raw water inlet end and the water inlet of the bipolar membrane electrodeionization unit 200, the fourth control valve 900 is located in the water production pipeline, and the fifth control valve 1000 is located in the water inlet pipeline between the raw water inlet end and the water inlet of the filter element unit 100.
The filter element unit 100 of the utility model is a reverse osmosis filter element or a nanofiltration filter element.
It should be noted that the second check valve 400 of the present invention is used to prevent the raw water from flowing back to the bipolar membrane electrodeionization unit 200 when the bipolar membrane electrodeionization unit 200 is regenerated. The third check valve 500 functions to prevent the reverse flow of the raw water when the bipolar membrane electrodeionization unit 200 produces water.
The utility model discloses a water route relation as follows:
in the regeneration condition, raw water enters the filter element unit 100 through the fifth control valve 1000, and after being treated by the filter element unit 100, produced water and concentrated water are obtained, the concentrated water is directly discharged out of the system, the produced water enters the bipolar membrane electrodeionization unit 200, the produced water regenerates the bipolar membrane electrodeionization unit 200 to obtain regenerated concentrated water, and the regenerated concentrated water passes through the second control valve 700 and the second one-way valve 400 and is mixed with the raw water, and then enters the filter element unit 100 through the fifth control valve 1000, as shown in fig. 4.
It should be noted that, when the utility model is in the regeneration condition, the fourth control valve 900 can be directly closed, so that all the produced water enters the bipolar membrane electrodeionization unit 200, as shown in fig. 4; the opening of the fourth control valve 900 may also be controlled such that a portion of the produced water is discharged as the system produced water and another portion of the produced water enters the bipolar membrane electrodeionization unit 200.
When the filter element unit 100 and the bipolar membrane electrodeionization unit 200 simultaneously produce water under the water production working condition, raw water is divided into two paths, wherein one path of raw water enters the filter element unit 100 through the fifth control valve 1000 and is treated by the filter element unit 100 to obtain produced water A and concentrated water; the other path of raw water enters the bipolar membrane electrodeionization unit 200 through the third control valve 800 and the third one-way valve 500, and is treated by the bipolar membrane electrodeionization unit 200 to obtain product water B, the product water A and the product water B are converged and then are discharged out of the system through the fourth control valve 900, and concentrated water is directly discharged out of the system, as shown in fig. 5.
When water is produced in the water production working condition and the filter element unit 100 produces water, raw water enters the filter element unit 100 through the fifth control valve 1000, water and concentrated water are obtained after being treated by the filter element unit 100, the produced water is discharged out of the system through the fourth control valve 900, and the concentrated water is directly discharged out of the system, as shown in fig. 6.
Under the water production working condition and when the bipolar membrane electrodeionization unit 200 produces water, raw water enters the bipolar membrane electrodeionization unit 200 through the third control valve 800 and the third one-way valve 500, and is treated by the bipolar membrane electrodeionization unit 200 to obtain produced water, and the produced water is discharged out of the system through the fourth control valve 900, as shown in fig. 7.
The water filtering device can take regenerated concentrated water generated in the regeneration of the bipolar membrane electrodeionization unit 200 as raw water of the filter element unit 100, and the regenerated concentrated water continuously enters the filter element unit 100 for treatment, so that the regenerated concentrated water is prevented from being taken as waste water to directly discharge from a system, and the proportion of the waste water is reduced.
Example 2.
A water filtering device, as shown in fig. 8, having the following features in addition to the features of example 1: when the water is produced, one of the concentrated water outlets of the filter element unit 100 is communicated with the water inlet.
It should be noted that, the utility model discloses a one of them dense water delivery port and water inlet intercommunication of filter core unit 100 to filter core unit 100 produces dense hydrologic cycle to water inlet, carries out secondary treatment, thereby can further reduce waste water and produce.
The utility model discloses a pipe-line system is provided with still to be provided with dense water pipeline, and when producing the water operating mode, one of them dense water delivery port of filter core unit 100 passes through dense water pipeline and water inlet intercommunication, other dense water delivery ports and the external connection of system of filter core unit 100.
The pipeline system is provided with a first check valve 300 and a first control valve 600, the first check valve 300 is positioned in the concentrated water pipeline, and the first control valve 600 is positioned in the concentrated water pipeline. The first check valve 300 functions to prevent raw water from flowing backward to the filter cartridge unit 100.
As shown in fig. 9, the water way of the present invention is as follows:
under the water production condition, when the filter element unit 100 produces water, raw water enters the filter element unit 100 through the fifth control valve 1000, the raw water is treated by the filter element unit 100 to obtain produced water, concentrated water A and concentrated water B, the produced water is discharged out of the system through the fourth control valve 900, the concentrated water A is directly discharged out of the system, and the concentrated water B circulates through the first control valve 600 and the first one-way valve 300 and is converged with the raw water, as shown in fig. 9.
Compared with the embodiment 1, the filter element unit 100 of the embodiment generates concentrated water to be circulated to the water inlet for secondary treatment, thereby further reducing the generation of waste water.
Example 3.
A water filtering device, which has the same other features as in example 1 or 2, as shown in fig. 10, and further has the following features: the water inlet unit is further provided with a pretreatment unit 1100, the pretreatment unit 1100 is arranged on the water inlet pipeline, and the pretreatment unit 1100 is positioned between the regeneration pipeline and the water inlet of the filter element unit 100.
The utility model discloses a pretreatment unit 1100 is the cotton filter core of PP or active carbon filter core.
The pretreatment unit 1100 of the present invention is used for treating raw water and regenerated concentrated water.
In this embodiment, compared to embodiment 1, the raw water and the regenerated concentrated water are treated in advance by the pretreatment unit 1100, thereby improving the quality of the inlet water of the filter element unit 100.
Example 4.
A water purifier provided with the water filtering device of any one of embodiments 1 to 3.
The regeneration concentrated water generated by the water purifier during regeneration of the bipolar membrane electrodeionization unit 200 is taken as raw water of the filter element unit 100 and continuously enters the filter element unit 100 for treatment, so that the part of the regeneration concentrated water is prevented from being taken as a direct wastewater discharge system, and the wastewater proportion is reduced.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A water filtration device characterized by: is provided with a bipolar membrane electrodeionization unit and a filter element unit which are both arranged in a pipeline system,
and under the regeneration working condition, the water outlet of the bipolar membrane electrodeionization unit is communicated with the water inlet of the filter element unit.
2. Water filtering device according to claim 1, characterized in that: and when the regeneration working condition is met, the water inlet of the bipolar membrane electrodeionization unit is communicated with the water production port of the filter element unit.
3. Water filtering device according to claim 2, characterized in that: and when the water is produced, one of the concentrated water outlets of the filter element unit is communicated with the water inlet.
4. Water filtering device according to any one of claims 1 to 3, characterized in that: and when the water is produced, at least one of the water inlet of the filter element unit or the water inlet of the bipolar membrane electrodeionization unit is communicated with the raw water inlet end.
5. Water filtering device according to claim 1, characterized in that: the pipeline system is provided with a water inlet pipeline, a regeneration pipeline and a water production pipeline,
under the regeneration working condition, the water outlet of the bipolar membrane electrodeionization unit is communicated with the water production port of the filter element unit through a regeneration pipeline, and the water inlet of the filter element unit is communicated with a water inlet pipeline;
when the water producing working condition is met, at least one of the water inlet of the bipolar membrane electrodeionization unit or the water inlet of the filter element unit is communicated with the water inlet pipeline, and the water producing port of the bipolar membrane electrodeionization unit and the water producing port of the filter element unit are communicated with the water producing pipeline.
6. Water filtering device according to claim 5, characterized in that: the pipeline system is also provided with a concentrated water pipeline,
and when the water is produced, one of the concentrated water outlets of the filter element unit is communicated with the water inlet through a concentrated water pipeline.
7. Water filtering device according to claim 6, characterized in that: the pipeline system is also provided with three check valves for preventing backflow, which are respectively defined as a first check valve, a second check valve and a third check valve, wherein the first check valve is positioned in the concentrated water pipeline, the second check valve is positioned in the regeneration pipeline, and the third check valve is positioned in a water inlet pipeline between a raw water inlet end and a water inlet of the bipolar membrane electrodeionization unit;
pipeline system still is provided with five control valves, defines respectively for first control valve, second control valve, third control valve, fourth control valve and fifth control valve, and first control valve is located dense water pipeline, the second control valve is located regeneration pipeline, the third control valve in raw water intake end with inlet channel between bipolar membrane electrodeionization unit's the water inlet, the fourth control valve is located product pipeline, the fifth control valve be located raw water intake end with inlet channel between the water inlet of filter core unit.
8. Water filtering device according to claim 5, characterized in that: the water inlet unit is arranged on the water inlet pipeline and is positioned between the regeneration pipeline and the water inlet of the filter element unit.
9. Water filtering device according to claim 8, characterized in that: the filter element unit is a reverse osmosis filter element or a nanofiltration filter element;
the pretreatment unit is a PP cotton filter element or an active carbon filter element.
10. A water purifier, which is characterized in that: water filtering means according to any one of claims 1 to 9 are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122030401.XU CN217127169U (en) | 2021-08-26 | 2021-08-26 | Water filtering device and water purifier with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122030401.XU CN217127169U (en) | 2021-08-26 | 2021-08-26 | Water filtering device and water purifier with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217127169U true CN217127169U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122030401.XU Active CN217127169U (en) | 2021-08-26 | 2021-08-26 | Water filtering device and water purifier with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217127169U (en) |
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2021
- 2021-08-26 CN CN202122030401.XU patent/CN217127169U/en active Active
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