CN208577523U - A kind of water purification system with water-driven tank - Google Patents
A kind of water purification system with water-driven tank Download PDFInfo
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- CN208577523U CN208577523U CN201820845478.8U CN201820845478U CN208577523U CN 208577523 U CN208577523 U CN 208577523U CN 201820845478 U CN201820845478 U CN 201820845478U CN 208577523 U CN208577523 U CN 208577523U
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Abstract
The utility model discloses a kind of water purification systems with water-driven tank, including raw water mouth and water purification mouth, and reverse osmosis filter core is equipped between raw water mouth and water purification mouth, and pressure switch is equipped between pure water outlet and water purification mouth；It further include water-driven tank, water-driven tank includes shell, the liner of elastically deformable is equipped in shell, liner is equipped with pure water entrance；Pure water entrance is communicated with the first pure water branch, and the first pure water branch is connected to pure water outlet and water purification mouth, and the first pure water branch road is equipped with the first controller for controlling the first pure water membership；First pure water branch road is communicated with the second pure water branch, and the second pure water branch is connected to raw water inlet and pure water entrance, and the second pure water branch road is equipped with the second controller for controlling the second pure water membership；Raw water channel is reserved between shell and liner, raw water channel is connected to raw water mouth and raw water inlet.The utility model has many advantages, such as to increase initial water yield, reduces first cup water TDS value, extends filter element life.
Description
Technical field
The utility model relates to water purification systems, more particularly, to a kind of water purification system with water-driven tank.
Background technique
Currently, the conventional types such as nominal 400G, 500G, 600G of the RO/NF water purification machine of the existing big flux of household, pure
Water flow is generally 1~1.6L/min, if user's kettle or somewhat larger container water receiving, fill the time-consuming about 1 of water~
2min.In the time-consuming, user's overall process, which is waited for, can think that the time is too long, and the other things of processing away from keyboard feel the time too again
It is short, influence very much user experience.Secondly as core component used in reverse osmosis and nanofiltration water purification is semi-permeable membrane, in water purifier
When standby, the salinity of concentrated water side infiltrates into fresh water side, eventually makes the water salt concentration of semi-permeable membrane two sides almost the same,
Thus cause after water purifier standby a period of time, the first cup water that user picks up, TDS value is higher, and filtering is not achieved in water quality
It is required that moreover, reverse osmosis and nanofiltration water purifier when standby, remaining concentrated water hardness in RO film/NF film, waste water ratio solenoid valve etc.
It is higher, when the water of water purifier internal pipeline is stood, can due to carbon dioxide dissolve in or temperature causes relatively to hold inside water purifier
The scale of easy fouling, generation is attached in diaphragm and waste water ratio solenoid valve, leads to the entire water treatment system lost of life and failure
Rate rises.
Therefore, it is necessary to be improved to existing reverse osmosis and nanofiltration water purifier.
Utility model content
When can increase the initial water yield of water purifier the purpose of this utility model is to provide one kind to shorten user's water receiving
Between or can reduce water purifier it is standby after first cup water TDS value to extend the water purification system of RO/NF filter core service life.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of water purification system with water-driven tank, including raw water mouth and water purification mouth, set between the raw water mouth and water purification mouth
There is reverse osmosis filter core, raw water inlet, pure water outlet and concentrated water outlet, particularly, the pure water are equipped in the reverse osmosis filter core
The pressure switch for detecting pipeline pressure is equipped between outlet and the water purification mouth；It further include water-driven tank, the water-driven
Tank includes shell, and the liner of elastically deformable is equipped in the shell, and the liner is equipped with pure water entrance；The pure water goes out
Entrance is communicated with the first pure water branch, the first pure water branch connection pure water outlet and water purification mouth, the first pure water branch
It is equipped with the first controller for controlling the first pure water membership；The first pure water branch road is communicated with the second pure water branch
Road, the second pure water branch connection raw water inlet and pure water entrance, the second pure water branch road are equipped with for controlling the
The second controller of two pure water memberships；Raw water channel, the raw water channel are reserved between the shell and the liner
It is connected to raw water mouth and raw water inlet.
The principles of the present invention are as follows:
In this water purification system, raw water mouth can be connected to water supply pipe, water purification mouth can then be connected to drink the mouth of a river or
Use tap.First controller and second controller can control the flow direction of the first pure water branch and the second pure water branch respectively
Or pipeline connection situation.The first pure water branch, the opening and closing of the second pure water branch are controlled based on the first controller and second controller
The case where, this water purification system can have four flow paths,
1) when raw water mouth and water purification mouth are opened, raw water mouth, raw water channel, raw water inlet, reverse osmosis filter core, pure water outlet
It is sequentially communicated with water purification mouth, may make up drainage path；
2) raw water mouth, raw water channel, raw water inlet, reverse osmosis filter core, pure when raw water mouth is opened, and water purification mouth is closed
Water out is sequentially communicated with pure water entrance, may make up water storage path；At this point, the first pure water branch is connected to and the second pure water branch
It disconnects；
3) when raw water mouth and water purification mouth are opened, pure water entrance is connected to water purification mouth, may make up drainage dosage path；This
When, the first pure water branch is connected to and the second pure water branch disconnects；
4) when raw water mouth and water purifier are closed, pure water entrance is connected to raw water inlet, may make up backwash path；This
When, the first pure water branch disconnects and the second pure water branch is connected to.
Based on above-mentioned four flow paths, in water intaking, water flow can flow user along drainage path, and raw water is through drainage path
Into in water purification system, the pure water of water purification system production is flowed out through water purification mouth.After user fetches water, water purification mouth is closed, water purification
System can maintenance water, water flow along water storage path flow.For raw water after water storage path enters water purification system, water purification system is raw
The pure water of production is flowed into water-driven tank through pure water entrance and is stored, until the pressure in pipeline reaches the limit value of pressure switch,
Disconnect pressure switch, at this point, water purification system water terminates.Terminate after a certain period of time in pure water water, second controller can be certainly
Dynamic unlatching or user are manually opened, at this point, backwash path is connected to, the film layer of the reverse osmosis filter core of pure water rinsing in liner,
Water purification system is discharged in the concentrated water of filter core, makes the water quality of concentrated water side of the film layer of reverse osmosis filter core close to pure water, thus eliminate because
The standby defect for causing first cup water TDS value to be higher than filtering requirement of water purification system and elimination diaphragm and waste water ratio solenoid valve concentrated water are stood
Incrusted phenomenon.In addition, if being stored with pure water in the liner of water-driven tank, the pure water in liner can edge in user's water intaking
Drainage dosage path flowing, in the pure water stored in liner, when raw water flows through raw water channel, because the pressure of raw water enables liner shape
Become, to be flowed out through drainage dosage path, into water purification mouth, to achieve the purpose that this water purification system increases initial water yield.
According to the use needs of user, this water purification system can be selected by the setting of the first controller and second controller
Whether selecting the connection of four flow paths, to customize the function of this water purification system, i.e., based on the first controller and the second control
The setting of device, this water purification system can individually have the function of increasing the initial water yield of water purifier or individually have reduction water purifier
The function of standby rear first cup water TDS value is provided simultaneously with above two function.
The element kit of this water purification system, in addition to reverse osmosis filter core, filter core group before can also increasing before reverse osmosis filter core,
To realize the coarse filtration of raw water, and filter core group after can also increasing after reverse osmosis filter core, such as active carbon, after increasing filtering
The mouthfeel of resulting water.
The utility model, which has, increases the initial water yield of household pure water/collecting and filtering apparatus, so as to shorten user's water receiving time to change
Kind user experience, reduce pure water/nanofiltration water purifier high problem of first cup water TDS value so that it is guaranteed that water quality completely safety, prolong
The advantages that long RO/NF membrane filter service life, reduction customer using cost.
Detailed description of the invention
Fig. 1 is the schematic diagram of water purification system in the utility model embodiment 1；
Fig. 2 is the schematic diagram of water-driven tank in the utility model embodiment 1；
Fig. 3 is the schematic diagram of water purification system in the utility model embodiment 2；
Fig. 4 is the schematic diagram of water purification system in the utility model embodiment 3.
Description of symbols: 1- raw water mouth；2- water purification mouth；3- pressure reducing valve；4- water-driven tank；Filter core group before 5-；6- water inlet
Solenoid valve；7- booster pump；The reverse osmosis filter core of 8-；The first non-return valve of 9-；Filter core group after 10-；11- pressure switch；12- waste water ratio electricity
Magnet valve；13- shell；14- liner；15- pure water entrance；16- the first pure water branch；17- water outlet solenoid valve；The second pure water of 18-
Branch；19- scouring electromagnetic valve；The second non-return valve of 20-；21- raw water channel；22- third non-return valve；23- tap water water inlet；
24- running water outlet mouth.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
The water purification system as shown in Fig. 1~2, the water purification system include the raw water mouth 1 being connected to water supply pipe and with take
The water purification mouth 2 of water end (W.E.) tap connection, is connected between raw water mouth 1 and water purification mouth 2 by pipeline.
Along water flow flow direction, pressure reducing valve 3, water-driven tank 4, preceding filter core group are successively arranged between raw water mouth 1 and water purification mouth 2
5, inlet water solenoid valve 6, booster pump 7, reverse osmosis filter core 8, the first non-return valve 9, rear filter core group 10 and pressure switch 11, wherein
Raw water inlet, pure water outlet and concentrated water outlet are equipped in reverse osmosis filter core 8；Concentrated water exit is connected with waste water ratio electricity
Magnet valve 12；
Water-driven tank 4 includes shell 13, and the liner 14 of elastically deformable is equipped in the shell 13, is set on the liner 14
There is pure water entrance 15, which is connected with the first pure water branch 16, which is connected to pure water outlet
With water purification mouth 2, the first pure water branch 16 is equipped with the water outlet solenoid valve 17 as the first controller；On the first pure water branch 16
It is also communicated with the second pure water branch 18, which is connected to raw water inlet and pure water entrance 15, the second pure water branch
Road 18 is equipped with scouring electromagnetic valve 19 and the second non-return valve 20 as second controller, and water outlet solenoid valve 17 is then located at first
The downstream of 18 junction of pure water branch 16 and the second pure water branch (along drainage dosage path)；It is then pre- between shell 13 and liner 14
There are raw water channel 21, which is equipped with the tap water water inlet 23 of connection raw water mouth 1 and is connected to preceding filter core group 5
Running water outlet mouth 24.In actual use, the tap water water inlet 23 of water-driven tank 4 and running water outlet mouth 24 can also close
And together, resulting interface is connected by the disengaging in the adjunction triple valve realization raw water channel 21 on pipeline after merging.In addition,
The position of preceding filter core group 5 actually may be provided at any position between the raw water inlet and pressure reducing valve 3 of reverse osmosis filter core 8, should
Preceding filter core group 5 can be by the self-contained filter assemblies together of several filter cores, can also be made of several independent filter cores,
These independent filter cores are respectively distributed between the raw water inlet and pressure reducing valve 3 of reverse osmosis filter core 8.
As a result, in the present embodiment 1, water purification system composition have four flow paths, comprising: 1) by raw water mouth 1, pressure reducing valve 3,
It is raw water channel 21, preceding filter core group 5, inlet water solenoid valve 6, booster pump 7, raw water inlet, reverse osmosis filter core 8, pure water outlet, first inverse
Only valve 9, rear filter core group 10, pressure switch 11 and water purification mouth 2 are sequentially communicated the drainage path of composition；2) by raw water mouth 1, pressure reducing valve
3, raw water channel 21, preceding filter core group 5, inlet water solenoid valve 6, booster pump 7, raw water inlet, reverse osmosis filter core 8, pure water outlet, water outlet
Solenoid valve 17 and pure water entrance 15 are sequentially communicated the water storage path of composition；3) by liner 14, pure water entrance 15, water outlet electromagnetism
Valve 17, the first non-return valve 9, rear filter core group 10, pressure switch 11 are connected to the drainage dosage path constituted with water purification mouth 2；4) by interior
Gallbladder 14, pure water entrance 15, scouring electromagnetic valve 19, the second non-return valve 20 are connected to the backwash path constituted with raw water inlet.
As shown in Figure 1, in the present embodiment 1, the flow direction of the first non-return valve 9 be by reverse osmosis filter core 8 to rear filter core group 10,
The flow direction of second non-return valve 20 is by scouring electromagnetic valve 19 to reverse osmosis filter core 8.
In the present embodiment 1, above-mentioned four flow paths are based on, in water intaking, water flow can flow user along drainage path, former
Water enters in water purification system through drainage path, and the pure water of water purification system production is flowed out through water purification mouth 2.At this point, water outlet solenoid valve 17
It is turned off with scouring electromagnetic valve 19.
User fetch water after, water purification mouth 2 close, water purification system can maintenance water, water flow along water storage path flow.
At this point, water outlet solenoid valve 17 is opened, scouring electromagnetic valve 19 is remained turned-off.Raw water is after water storage path enters water purification system, water purification
The pure water of system production is flowed into water-driven tank 4 through pure water entrance 15 and is stored, until the pressure in pipeline reaches pressure switch
11 limit value disconnects pressure switch 11, at this point, water purification system water terminates.
After a certain period of time, scouring electromagnetic valve 19 is opened for delay, and water outlet solenoid valve 17 is closed, at this point, the connection of backwash path,
The concentrated water of filter core is discharged water purification system, makes reverse osmosis filter core 8 by the film layer of the reverse osmosis filter core 8 of pure water rinsing in liner 14
The water quality of the concentrated water side of film layer is close to pure water, so that eliminate causes first cup water TDS value to be higher than filtering requirement because water purification system is standby
Defect and eliminate diaphragm and 12 concentrated water of waste water ratio solenoid valve and stand incrusted phenomenon.
In addition, if being stored with pure water in the liner 14 of water-driven tank 4, water outlet solenoid valve 17 is opened, punching in user's water intaking
The closing of solenoid valve 19 is washed, the pure water in liner 14 is flowed along drainage dosage path.In the pure water stored in liner 14, in raw water stream
When through raw water channel 21, because the pressure of raw water enables 14 deformation of liner, thus flowed out through drainage dosage path, into water purification mouth 2, from
And achievees the purpose that this water purification system and increase initial water yield.
Embodiment 2
The present embodiment 2 difference from example 1 is that, as shown in figure 3, in the present embodiment 2, the second pure water branch 18
In there is no setting scouring electromagnetic valves 19, and water outlet solenoid valve 17 is then located at the first pure water branch 16 and the second pure water branch 18 and hands over
Connect the upstream (along drainage dosage path) at place；At this point, second controller is made of the second non-return valve 20 in the present embodiment 2, first
Controller is made of water outlet solenoid valve 17, and water purification system has still constituted four flow paths, comprising: 1) by raw water mouth 1, pressure reducing valve
3, raw water channel 21, preceding filter core group 5, inlet water solenoid valve 6, booster pump 7, raw water inlet, reverse osmosis filter core 8, pure water outlet, first
Non-return valve 9, rear filter core group 10, pressure switch 11 and water purification mouth 2 are sequentially communicated the drainage path of composition；2) by raw water mouth 1, decompression
Valve 3, preceding filter core group 5, inlet water solenoid valve 6, booster pump 7, raw water inlet, reverse osmosis filter core 8, pure water outlet, goes out raw water channel 21
Water solenoid valve 17 and pure water entrance 15 are sequentially communicated the water storage path of composition；3) by liner 14, pure water entrance 15, out water power
Magnet valve 17, the first non-return valve 9, rear filter core group 10, pressure switch 11 are connected to the drainage dosage path constituted with water purification mouth 2；4) by
Liner 14, pure water entrance 15, water outlet solenoid valve 17, the second non-return valve 20 are connected to the backwash path constituted with raw water inlet.
Based on above-mentioned four flow paths, in water intaking, water flow can flow user along drainage path, and raw water is through drainage path
Into in water purification system, the pure water of water purification system production is flowed out through water purification mouth 2.At this point, water outlet solenoid valve 17 is closed.
User fetch water after, water purification mouth 2 close, water purification system can maintenance water, water flow along water storage path flow.
At this point, water outlet solenoid valve 17 is opened.After water storage path enters water purification system, the pure water of water purification system production goes out raw water through pure water
Entrance 15 is flowed into water-driven tank 4 and is stored, until the pressure in pipeline reaches the limit value of pressure switch 11, makes pressure switch 11
It disconnects, at this point, water purification system water terminates.At the same time, the backwash path of water purification system is also connected to simultaneously, in liner 14
The concentrated water of filter core is discharged water purification system, makes the concentrated water of the film layer of reverse osmosis filter core 8 by the film layer of the reverse osmosis filter core 8 of pure water rinsing
The water quality of side is close to pure water, to eliminate the defect for causing first cup water TDS value to be higher than filtering requirement because water purification system is standby and disappear
Except diaphragm and 12 concentrated water of waste water ratio solenoid valve stand incrusted phenomenon.
In addition, if being stored with pure water in the liner 14 of water-driven tank 4, water outlet solenoid valve 17 is opened, interior in user's water intaking
Pure water in gallbladder 14 is flowed along drainage dosage path.In the pure water stored in liner 14, when raw water flows through raw water channel 21, because
The pressure of raw water enables 14 deformation of liner, to flow out through drainage dosage path, into water purification mouth 2, to reach this water purification system
Increase the purpose of initial water yield.At the same time, the backwash path of water purification system is also connected to simultaneously, the pure water meeting in liner 14
Raw water inlet is flowed into, to increase the water into reverse osmosis filter core 8, further increases the water yield of water purification system.
Embodiment 3
The present embodiment 3 difference from example 1 is that, in the present embodiment 3, as shown in figure 4, the second pure water branch 18
In there is no setting scouring electromagnetic valve 19, be also not provided with water outlet solenoid valve 17 in the first pure water branch 16；At this point, the present embodiment
In 3, the second non-return valve 20 is used as second controller, the water flow trend of the second pure water branch 18 of control；22 conduct of third non-return valve
First controller, the water flow trend of the first pure water branch 16 of control, the flow direction of the third non-return valve 22 is flowed to pure by pure water outlet
Water entrance 15.
In the present embodiment 3, water purification system composition has three flow paths, comprising: 1) by raw water mouth 1, pressure reducing valve 3, raw water
Channel 21, preceding filter core group 5, inlet water solenoid valve 6, booster pump 7, raw water inlet, reverse osmosis filter core 8, pure water outlet, the first non-return valve
9, rear filter core group 10, pressure switch 11 and water purification mouth 2 are sequentially communicated the drainage path of composition；2) by raw water mouth 1, pressure reducing valve 3, original
Aquaporin 21, preceding filter core group 5, inlet water solenoid valve 6, booster pump 7, raw water inlet, reverse osmosis filter core 8, pure water outlet, third check
Valve 22 and pure water entrance 15 are sequentially communicated the water storage path of composition；3) by liner 14, pure water entrance 15, the second non-return valve 20
The backwash path constituted is connected to raw water inlet.
Based on above-mentioned three flow paths, in water intaking, water flow can flow user along drainage path, and raw water is through drainage path
Into in water purification system, the pure water of water purification system production is flowed out through water purification mouth 2.
User fetch water after, water purification mouth 2 close, water purification system can maintenance water, water flow along water storage path flow.
After water storage path enters water purification system, the pure water of water purification system production flows into water-driven tank 4 raw water through pure water entrance 15
Storage disconnects pressure switch 11, at this point, water purification system system until the pressure in pipeline reaches the limit value of pressure switch 11
Water terminates.At the same time, the backwash path of water purification system is also connected to simultaneously, the reverse osmosis filter core 8 of the pure water rinsing in liner 14
Film layer, water purification system is discharged in the concentrated water of filter core, makes the water quality of the concentrated water side of the film layer of reverse osmosis filter core 8 close to pure water, from
And it eliminates the defect for causing first cup water TDS value to be higher than filtering requirement because water purification system is standby and eliminates diaphragm and waste water ratio solenoid valve
12 concentrated waters stand incrusted phenomenon.
This specification enumerate be only the utility model better embodiment, all working principles in the utility model and
The equivalent technologies transformation done under thinking, is accordingly to be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of water purification system with water-driven tank, including raw water mouth and water purification mouth, are equipped between the raw water mouth and water purification mouth
Reverse osmosis filter core, the reverse osmosis filter core is interior to be equipped with raw water inlet, pure water outlet and concentrated water outlet, which is characterized in that described pure
The pressure switch for detecting pipeline pressure is equipped between water out and the water purification mouth；It further include water-driven tank, the water drive
Dynamic tank includes shell, and the liner of elastically deformable is equipped in the shell, and the liner is equipped with pure water entrance；The pure water
Entrance is communicated with the first pure water branch, the first pure water branch connection pure water outlet and water purification mouth, the first pure water branch
Road is equipped with the first controller for controlling the first pure water membership；The first pure water branch road is communicated with the second pure water
Branch, the second pure water branch connection raw water inlet and pure water entrance, the second pure water branch road are equipped with for controlling
The second controller of second pure water membership；Raw water channel is reserved between the shell and the liner, the raw water is logical
Road is connected to raw water mouth and raw water inlet.
2. the water purification system according to claim 1 with water-driven tank, which is characterized in that the upstream of the reverse osmosis filter core
Equipped with the preceding filter core group for realizing raw water coarse filtration.
3. the water purification system according to claim 1 with water-driven tank, which is characterized in that the downstream of the reverse osmosis filter core
Equipped with for increase filtering after gained water mouthfeel rear filter core group.
4. the water purification system according to claim 1 with water-driven tank, which is characterized in that first controller is electromagnetism
Valve or non-return valve.
5. the water purification system according to claim 1 with water-driven tank, which is characterized in that the second controller is electromagnetism
Valve or non-return valve.
6. the water purification system according to claim 1 with water-driven tank, which is characterized in that first controller is located at institute
State the upstream or downstream of the first pure water branch Yu the second pure water branch junction.
7. the water purification system according to claim 1 with water-driven tank, which is characterized in that the reverse osmosis filter core with it is described
Booster pump is equipped between water-driven tank.
8. the water purification system according to claim 1 with water-driven tank, which is characterized in that the pure water outlet and described net
The non-return valve for entering reverse osmosis filter core for placing water purification adverse current is equipped between the mouth of a river.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820845478.8U CN208577523U (en) | 2018-06-01 | 2018-06-01 | A kind of water purification system with water-driven tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820845478.8U CN208577523U (en) | 2018-06-01 | 2018-06-01 | A kind of water purification system with water-driven tank |
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| CN208577523U true CN208577523U (en) | 2019-03-05 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947233A (en) * | 2019-12-06 | 2020-04-03 | 广东韦博科技有限公司 | Leading bubble membrane water purification system |
| CN110947232A (en) * | 2019-12-06 | 2020-04-03 | 广东韦博科技有限公司 | Postposition bubble film water purification system |
| CN110963548A (en) * | 2019-11-27 | 2020-04-07 | 广东韦博科技有限公司 | Pure water film-soaking method using pure water storage tank |
| CN111013238A (en) * | 2019-12-19 | 2020-04-17 | 广东韦博科技有限公司 | Composite bubble film water purification system |
| CN111056651A (en) * | 2019-12-06 | 2020-04-24 | 广东韦博科技有限公司 | Filter core structure capable of storing pure water and bubble membrane water purification system using same |
| CN113786732A (en) * | 2021-10-21 | 2021-12-14 | 佛山市惠特普环保科技有限公司 | Driving water storage tank for water purifying equipment |
-
2018
- 2018-06-01 CN CN201820845478.8U patent/CN208577523U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110963548A (en) * | 2019-11-27 | 2020-04-07 | 广东韦博科技有限公司 | Pure water film-soaking method using pure water storage tank |
| CN110947233A (en) * | 2019-12-06 | 2020-04-03 | 广东韦博科技有限公司 | Leading bubble membrane water purification system |
| CN110947232A (en) * | 2019-12-06 | 2020-04-03 | 广东韦博科技有限公司 | Postposition bubble film water purification system |
| CN111056651A (en) * | 2019-12-06 | 2020-04-24 | 广东韦博科技有限公司 | Filter core structure capable of storing pure water and bubble membrane water purification system using same |
| CN111056651B (en) * | 2019-12-06 | 2024-01-12 | 广东领尚净水科技有限公司 | Filter element structure capable of storing pure water and bubble film water purifying system using same |
| CN111013238A (en) * | 2019-12-19 | 2020-04-17 | 广东韦博科技有限公司 | Composite bubble film water purification system |
| CN113786732A (en) * | 2021-10-21 | 2021-12-14 | 佛山市惠特普环保科技有限公司 | Driving water storage tank for water purifying equipment |
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