CN209292101U - Water purifier water circuit system and water purifier - Google Patents
Water purifier water circuit system and water purifier Download PDFInfo
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- CN209292101U CN209292101U CN201822212583.0U CN201822212583U CN209292101U CN 209292101 U CN209292101 U CN 209292101U CN 201822212583 U CN201822212583 U CN 201822212583U CN 209292101 U CN209292101 U CN 209292101U
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Abstract
The utility model provides a kind of water purifier water circuit system and water purifier, is related to purifier technical field, to solve the problems, such as that existing household water-purifying machine water-making ability is limited and designs.The water purifier water circuit system includes water outlet water route being set in turn in along water discharging direction and connected ultrafiltration membrane filter element, intermediate element kit and reverse osmosis membrane filter element, wherein, ultrafiltration membrane filter element is connected by water outlet with intermediate element kit, and the water inlet of ultrafiltration membrane filter element is connected with raw water water route, the production mouth of a river of ultrafiltration membrane filter element is connected with water purification water route；The production mouth of a river of reverse osmosis membrane filter element is connected with pure water water route, and the discharge outlet of reverse osmosis membrane filter element is connected with concentrated water water route；The water flow of ultrafiltration membrane filter element is not less than 10L/min.The water purifier includes above-mentioned water purifier water circuit system.Water purifier water circuit system and water purifier provided by the utility model can obtain the water purification of larger flow, almost can satisfy respectively with the water supply flow demand of hydroelectric generator and water heater in kitchen, the user experience is improved.
Description
Technical field
The utility model relates to purifier technical field more particularly to a kind of water purifier water circuit systems and water purifier.
Background technique
Water purifier, the water purifier that is otherwise known as, water purifier are just stepping into more and more average families.Its energy
It is enough that depth-type filtration is carried out to water quality according to certain standard, by floating material, heavy metal, bacterium, virus, iron rust and the microorganism in water
Equal impurity filter out, and obtain the pure water for being suitble to human body to drink, and adversely affect caused by human body due to water pollution to reduce.
Currently, the water-making ability very little of household water-purifying machine, causes its water supply to substantially reduce.Big if necessary to water supply
Purifier can only then select central purifier and central water softening device, and still, central purifier is not only purchased with central water softening device
It is at high cost, moreover, installation site also has significant limitation.Also, the filtering accuracy of these equipment is limited, is typically only capable to reach
5 μm, it cannot achieve and minute impurities in water are effectively filtered out.In addition, these equipment are in use for some time, it usually needs the longevity
Restoring operation is ordered, operating process is cumbersome, and must be just achievable by professional, and maintenance cost is higher.
Utility model content
First of the utility model is designed to provide a kind of water purifier water circuit system, to solve existing household water-purifying machine
The limited technical problem of water-making ability.
Water purifier water circuit system provided by the utility model, including be set in turn in water outlet water route along water discharging direction and be connected
Ultrafiltration membrane filter element, intermediate element kit and reverse osmosis membrane filter element, wherein the ultrafiltration membrane filter element is by water outlet and intermediate filters
Core assembly is connected, and the water inlet of the ultrafiltration membrane filter element is connected with raw water water route, the production mouth of a river of the ultrafiltration membrane filter element with only
Water water route is connected；The production mouth of a river of the reverse osmosis membrane filter element is connected with pure water water route, the discharge outlet of the reverse osmosis membrane filter element with
Concentrated water water route is connected.
The water flow of the ultrafiltration membrane filter element is not less than 10L/min.
It further, further include the inlet valve being arranged on the water outlet water route, the inlet valve is located at the intermediate filter
Between core assembly and the reverse osmosis membrane filter element.
It further, further include rinsing water route, the flushing water route includes that level-one rinses water route and second level flushing water route,
In, the raw water water route is accessed in one end that the level-one rinses water route, the other end access to the ultrafiltration membrane filter element and it is described in
Between between element kit；One end that the second level rinses water route accesses between the intermediate element kit and the inlet valve,
The other end accesses the production mouth of a river of the ultrafiltration membrane filter element, and is connected with the discharge outlet of the ultrafiltration membrane filter element.
The water outlet water route is provided with the first check valve at the water outlet position of the ultrafiltration membrane filter element, and described first
The raw water that check valve is used to that the level-one to be prevented to rinse in water route enters the ultrafiltration membrane filter element.
The second level flushing water road is provided with flushing valve.
It further, further include the second one-way valve being arranged on second level flushing water road, the second one-way valve is used
It flows back in preventing the water in the ultrafiltration membrane filter element from rinsing water route to the second level.
It further, further include the booster pump being arranged on the water outlet water route, the water outlet stream of the ultrafiltration membrane filter element
Water energy out is enough to be flowed into second level flushing water route through the booster pump.
It further, further include the low tension switch being arranged on the water outlet water route.
It further, further include control module, the inlet valve and the flushing valve are solenoid valve, the inlet valve,
The flushing valve and the booster pump are connect with the control module.
Further, it is provided in the control module for controlling the timer for rinsing frequency.
Further, the intermediate element kit includes connected PP (Polypropylene, polypropylene) filter core and activity
Filtration core.
The utility model water purifier water circuit system has the benefit that
It is not less than the ultrafiltration membrane filter element of 10L/min by setting reverse osmosis membrane filter element, intermediate element kit and water flow,
Wherein, ultrafiltration membrane filter element is connected by water outlet with intermediate element kit, and the water inlet of ultrafiltration membrane filter element and raw water water route phase
Even, the production mouth of a river of ultrafiltration membrane filter element is connected with water purification water route；The production mouth of a river of reverse osmosis membrane filter element is connected with pure water water route, reverse osmosis
The discharge outlet of membrane filter is connected with concentrated water water route.
The production water process in the water purifier water route are as follows: raw water is flowed into through the water inlet of ultrafiltration membrane filter element, in ultrafiltration membrane filter element
Under filtration, water purification is obtained, wherein partially purifying water flows into water purification water route through the production mouth of a river of ultrafiltration membrane filter element, meets kitchen
The food materials of purification water tank clean demand, the even water supply of water heater in the wash dishes demand of middle dish-washing machine and kitchen；And
Another part water purification is then dynamic in the relaying afterflow of water outlet water route, after the filtration of intermediate element kit, flows to reverse osmosis membrane filtration
Pure water is further made under the filtration of reverse osmosis membrane filter element in core, wherein it is pure that obtained pure water is produced mouth of a river inflow
Water water route, to meet demand of drinking, the concentrated water of acquisition then flows into concentrated water water route through discharge outlet, is emitted into the external world or by secondary benefit
With.
The water purifier water circuit system is by setting the water flow of ultrafiltration membrane filter element to not less than 10L/min, so that former
Water can obtain the water purification of larger flow, almost can satisfy and respectively use water power in kitchen after the filtration of ultrafiltration membrane filter element
The water supply flow demand of device and water heater shortens the time that user waits water intaking, and the user experience is improved.
In addition, in this water purifier water circuit system course of work, can obtain simultaneously for the water purification of cleaning and for drinking
Pure water meets a variety of use demands of user.
Second of the utility model is designed to provide a kind of water purifier, to solve existing household water-purifying machine water-making ability
Limited technical problem.
Water purifier provided by the utility model, including above-mentioned water purifier water circuit system.
The utility model water purifier has the benefit that
By the way that above-mentioned water purifier water circuit system is arranged in water purifier, wherein the water purifier has above-mentioned water purifier water route
The institute of system is advantageous, and details are not described herein.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic illustration of water purifier water circuit system provided by the embodiment of the utility model, wherein solid line indicates system
Water water route, dotted line indicate backwash water route.
Appended drawing reference:
100- ultrafiltration membrane filter element；200- is discharged water route；Element kit among 300-；400- reverse osmosis membrane filter element；500- mono-
Grade rinses water route；600- second level rinses water route；700- concentrated water water route；
The first check valve of 210-；220- low tension switch；230- booster pump；240- inlet valve；
610- flushing valve；620- second one-way valve；
710- wastewater valve.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
The technical solution of type carries out clear, complete description.Obviously, described embodiment is only that a part of the utility model is implemented
Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "left", "right", etc. instructions orientation or position
The relationship of setting is to be based on the orientation or positional relationship shown in the drawings, it is only for is retouched convenient for describing the utility model and simplification
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.In addition, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term is " even
Connect ", " connected " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
As shown in Figure 1, present embodiments providing a kind of water purifier water circuit system, including it is set in turn in out along water discharging direction
Water water route 200 and connected ultrafiltration membrane filter element 100, intermediate element kit 300 and reverse osmosis membrane filter element 400, specifically, ultrafiltration membrane
Filter core 100 is connected by water outlet with intermediate element kit 300, and the water inlet of ultrafiltration membrane filter element 100 is connected with raw water water route,
The production mouth of a river of ultrafiltration membrane filter element 100 is connected with water purification water route；The production mouth of a river of reverse osmosis membrane filter element 400 is connected with pure water water route, instead
The discharge outlet of infiltration membrane filter 400 is connected with concentrated water water route 700.Wherein, the water flow of ultrafiltration membrane filter element 100 is not less than 10L/
min。
The production water process in the water purifier water route are as follows: raw water is flowed into through the water inlet of ultrafiltration membrane filter element 100, in ultrafiltration membrane filter element
Under 100 filtration, water purification is obtained, wherein partially purifying water flows into water purification water route through the production mouth of a river of ultrafiltration membrane filter element 100,
Meet the food materials cleaning demand of purification water tank in the wash dishes demand and kitchen of dish-washing machine in kitchen, even water heater
Water supply；And another part water purification then relays afterflow in water outlet water route 200 and moves, after the filtration of intermediate element kit 300,
Reverse osmosis membrane filter element 400 is flowed to, under the filtration of reverse osmosis membrane filter element 400, pure water is further made, wherein obtained
Pure water flow into pure water water route through producing the mouth of a river, drink demand to meet, the concentrated water of acquisition then flows into concentrated water water route through discharge outlet
700, it is emitted into the external world or is secondary use.
The water purifier water circuit system is not less than 10L/min by setting the water flow of ultrafiltration membrane filter element 100 to, so that
Raw water can obtain the water purification of larger flow, almost can satisfy in kitchen and respectively use after the filtration of ultrafiltration membrane filter element 100
The water supply flow demand of hydroelectric generator and water heater shortens the time that user waits water intaking, and the user experience is improved.
In addition, in this water purifier water circuit system course of work, can obtain simultaneously for the water purification of cleaning and for drinking
Pure water meets a variety of use demands of user.
Please continue to refer to Fig. 1, in the present embodiment, wastewater valve 710 can be set on concentrated water water route 700.In pure water preparation
Cheng Zhong opens wastewater valve 710, so that the concentrated water generated in 400 course of work of reverse osmosis membrane filter element is discharged.Specifically, waste water
Valve 710 can be solenoid valve.
Please continue to refer to Fig. 1, in the present embodiment, which can also include setting in water outlet water route 200
On inlet valve 240, specifically, inlet valve 240 is between intermediate element kit 300 and reverse osmosis membrane filter element 400.
It is controlled, is can be realized to water flow to 400 flow process of reverse osmosis membrane filter element by the opening and closing to inlet valve 240
Control, thus be made pure water.
Preferably, inlet valve 240 is solenoid valve.
Please continue to refer to Fig. 1, in the present embodiment, which can also include rinsing water route.Specifically, it rushes
Wash water road includes that level-one rinses water route 500 and second level flushing water route 600, wherein raw water is accessed in one end that level-one rinses water route 500
Water route, the other end access between ultrafiltration membrane filter element 100 and intermediate element kit 300, and second level rinses one end access in water route 600
To between intermediate element kit 300 and inlet valve 240, the other end accesses the production mouth of a river of ultrafiltration membrane filter element 100, and with ultrafiltration membrane filtration
The discharge outlet of core 100 is connected.Also, it is single that water outlet water route 200 is provided with first at the water outlet position of ultrafiltration membrane filter element 100
To valve 210, the raw water which is used to prevent and rinse in water route enters ultrafiltration membrane filter element 100, and second level is rinsed
Flushing valve 610 is provided on water route 600.
After use after a period of time, it can use flushing water route and maintenance be rinsed to ultrafiltration membrane filter element 100, rush
Wash journey specifically: close inlet valve 240, open flushing valve 610, raw water flows into first and rinses in water route, in the first check valve
Under 210 unidirectional interception, the raw water for flowing through the first flushing water route further flows into intermediate filter core through being discharged water route 200 to the left
Component 300；After the filtration of intermediate element kit 300, since inlet valve 240 is closed and the unlatching of flushing valve 610, so that
The water route for flowing to reverse osmosis membrane filter element 400 is cut off, and second level is rinsed water route 600 and is connected, and water flow is upwardly into second level flushing water
In road 600, and further the production mouth of a river through ultrafiltration membrane filter element 100 flows into the right；When flushing of the completion to ultrafiltration membrane filter element 100
Afterwards, sewage is rinsed to be discharged through the sewage mouth of ultrafiltration membrane filter element 100.
The setting for rinsing water route, realizes the flushing to ultrafiltration membrane filter element 100, can be by 100 surface of ultrafiltration membrane filter element
Most of pollutant of attachment is taken out of, reduces the blocking risk of ultrafiltration membrane filter element 100, alleviates fouling membrane, ensure that ultrafiltration
The reliability of the preparation water purification of membrane filter 100.Make raw water first pass through intermediate element kit 300 to be filtered moreover, this, then to super
The setting form that filter membrane filter core 100 is cleaned, so that raw water has first obtained mistake before being rinsed to ultrafiltration membrane filter element 100
Filter, to ensure that the clean level of rinse water, reduces the secondary pollution to ultrafiltration membrane filter element 100.
In addition, rinsing water route by setting, the service life of ultrafiltration membrane filter element 100 is effectively extended, reduces it more
Frequency is changed, replacement cost has been saved, improves the usage experience of user.
Preferably, flushing valve 610 is solenoid valve.
Please continue to refer to Fig. 1, in the present embodiment, which can also include that setting in second level rinses water route
Second one-way valve 620 on 600, specifically, second one-way valve 620 are used to prevent the water in ultrafiltration membrane filter element 100 to rush to second level
It flows back on wash water road 600.
Second one-way valve 620 is set by rinsing in second level, so that second level rinses the flushing in water route 600 in water route 600
It is flowed always to the direction of ultrafiltration membrane filter element 100 with water energy is enough, water in ultrafiltration membrane filter element 100 is effectively prevented to rinse to second level
The reflux in water route 600 ensure that the reliability being rinsed to ultrafiltration membrane filter element 100.
Please continue to refer to Fig. 1, in the present embodiment, which can also include setting in water outlet water route 200
On booster pump 230, specifically, the water energy of the water outlet of ultrafiltration membrane filter element 100 outflow is enough to be flowed into second level through booster pump 230 and rinses
In water route 600.
The water purifier water circuit system opens booster pump 230, in the pumping pressure of booster pump 230 during normal water processed
Under, the water flowed out through intermediate element kit 300 rapidly enters in reverse osmosis membrane filter element 400, carries out the preparation of pure water；The water purifier
Water circuit system opens booster pump 230, in the pumping pressure of booster pump 230 during backwashing to ultrafiltration membrane filter element 100
Under power, the water flowed out through intermediate element kit 300 rapidly enters second level and rinses in water route 600, and then flows to ultrafiltration membrane filter element
It is backwashed at 100.
The setting form of this booster pump 230 realizes the pressurization pumping to water flow in water process processed and backwash process,
It ensure that the flowing reliability and high efficiency of water flow.
Please continue to refer to Fig. 1, in the present embodiment, which can also include setting in water outlet water route 200
On low tension switch 220.
The setting of low tension switch 220, protection when realizing hydraulic pressure deficiency to booster pump 230, to extend booster pump
230 service life.
In the present embodiment, which can also include control module, wherein inlet valve 240, flushing valve
610 and booster pump 230 connect with control module.
It, can be by defeated to control module when user needs to carry out water processed and backwash using the water purifier water circuit system
Enter operational order, and then realizes the automatic control opened and closed to inlet valve 240, flushing valve 610 and booster pump 230 using control module
System, to achieve the purpose that water purifier water circuit system automatically controls.Such setting eliminates and user is needed to start each portion one by one
The tedious steps of part further improve the usage experience of user.
Specifically, wastewater valve 710 is also connected in control module, is controlled with being opened and closed by control module to it.
It is can be set in the present embodiment, in control module for controlling the timer for rinsing frequency, so that when by setting
Between use after, control module can automatically control the conducting for rinsing water route, realize to the auto-flushing of ultrafiltration membrane filter element 100.
Such setting, so that the water purifier water circuit system can be completed to ultrafiltration membrane filter element after a period of work
100 auto-flushing also eliminates while extending 100 service life of ultrafiltration membrane filter element and needs the numerous of user's manual flushing
Trivial step, improves flushing convenience, further improves the usage experience of user.
It should be noted that flushing valve 610 can be the setting form of above-mentioned solenoid valve, but not only in the present embodiment
It is confined to this, it can also be using other setting forms, such as: manual ball valve.When needing to backwash to ultrafiltration membrane filter element 100
When, manual ball valve is manually opened, realizes that second level rinses the conducting in water route 600, and then is reached to the backwash of ultrafiltration membrane filter element 100
Purpose.
In the present embodiment, intermediate element kit 300 may include connected PP filter core and active carbon filter core.
It should be noted that ultrafiltration membrane filter element 100 can be this access way shown in figure in the present embodiment, but
It is not limited solely to this, other access ways can also be used, such as: the filter cartridge seat for allowing water route reverse flow by external one,
Ultrafiltration membrane filter element 100 is first mounted in filter cartridge seat, then is accessed in water purifier water circuit system, to realize to ultrafiltration membrane filter element
100 backwash operation.
Alternatively, ultrafiltration membrane filter element 100 can also be turned an angle, change water route flow direction in conjunction with filter cartridge seat,
To realize the backwash operation to ultrafiltration membrane filter element 100.As long as therefore it passes through ultrafiltration membrane filter element 100 in water purifier water route system
This access way in system, can be realized the backwash operation to ultrafiltration membrane filter element 100.
In addition, the present embodiment additionally provides a kind of water purifier, including above-mentioned water purifier water circuit system.
By the way that above-mentioned water purifier water circuit system is arranged in water purifier, wherein the water purifier has above-mentioned water purifier water route
The institute of system is advantageous, and details are not described herein.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution.
Claims (10)
1. a kind of water purifier water circuit system, which is characterized in that including being set in turn in water outlet water route (200) and phase along water discharging direction
Ultrafiltration membrane filter element (100) even, intermediate element kit (300) and reverse osmosis membrane filter element (400), wherein the ultrafiltration membrane filter element
(100) it is connected by water outlet with intermediate element kit (300), and the water inlet of the ultrafiltration membrane filter element (100) and raw water water
Road is connected, and the production mouth of a river of the ultrafiltration membrane filter element (100) is connected with water purification water route；The production water of the reverse osmosis membrane filter element (400)
Mouth is connected with pure water water route, and the discharge outlet of the reverse osmosis membrane filter element (400) is connected with concentrated water water route (700)；
The water flow of the ultrafiltration membrane filter element (100) is not less than 10L/min.
2. water purifier water circuit system according to claim 1, which is characterized in that further include being arranged in the water outlet water route
(200) inlet valve (240) on, the inlet valve (240) are located at the intermediate element kit (300) and the reverse osmosis membrane filtration
Between core (400).
3. water purifier water circuit system according to claim 2, which is characterized in that further include rinsing water route, the flushing water
Road includes that level-one rinses water route (500) and second level flushing water route (600), wherein the level-one rinses a termination of water route (500)
Enter the raw water water route, the other end accesses between the ultrafiltration membrane filter element (100) and the intermediate element kit (300)；Institute
The one end for stating second level flushing water route (600) accesses between the intermediate element kit (300) and the inlet valve (240), separately
The production mouth of a river of the ultrafiltration membrane filter element (100) is accessed in one end, and is connected with the discharge outlet of the ultrafiltration membrane filter element (100)；
Water outlet water route (200) is provided with the first check valve at the water outlet position of the ultrafiltration membrane filter element (100)
(210), the raw water that first check valve (210) is used to that the level-one to be prevented to rinse in water route (500) enters the ultrafiltration membrane
Filter core (100)；
The second level rinses on water route (600) and is provided with flushing valve (610).
4. water purifier water circuit system according to claim 3, which is characterized in that further include being arranged in the second level flushing water
Second one-way valve (620) on road (600), the second one-way valve (620) is for preventing in the ultrafiltration membrane filter element (100)
Water rinses water route (600) to the second level and flows back.
5. water purifier water circuit system according to claim 3, which is characterized in that further include being arranged in the water outlet water route
(200) water energy of the booster pump (230) on, the water outlet outflow of the ultrafiltration membrane filter element (100) is enough through the booster pump (230)
The second level is flowed into rinse in water route (600).
6. water purifier water circuit system according to claim 5, which is characterized in that further include being arranged in the water outlet water route
(200) low tension switch (220) on.
7. water purifier water circuit system according to claim 5, which is characterized in that it further include control module, the inlet valve
(240) and the flushing valve (610) is solenoid valve, the inlet valve (240), the flushing valve (610) and the booster pump
(230) it is connect with the control module.
8. water purifier water circuit system according to claim 7, which is characterized in that be provided in the control module for controlling
System rinses the timer of frequency.
9. water purifier water circuit system according to claim 1-8, which is characterized in that the intermediate element kit
It (300) include connected PP filter core and active carbon filter core.
10. a kind of water purifier, which is characterized in that including the described in any item water purifier water circuit systems of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212583.0U CN209292101U (en) | 2018-12-27 | 2018-12-27 | Water purifier water circuit system and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212583.0U CN209292101U (en) | 2018-12-27 | 2018-12-27 | Water purifier water circuit system and water purifier |
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| Publication Number | Publication Date |
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| CN209292101U true CN209292101U (en) | 2019-08-23 |
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ID=67648963
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822212583.0U Active CN209292101U (en) | 2018-12-27 | 2018-12-27 | Water purifier water circuit system and water purifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111039440A (en) * | 2020-02-17 | 2020-04-21 | 南京壹净新材料科技有限公司 | Bench type multi-water quality water purification system and method |
| CN114149117A (en) * | 2020-09-18 | 2022-03-08 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier |
-
2018
- 2018-12-27 CN CN201822212583.0U patent/CN209292101U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111039440A (en) * | 2020-02-17 | 2020-04-21 | 南京壹净新材料科技有限公司 | Bench type multi-water quality water purification system and method |
| CN114149117A (en) * | 2020-09-18 | 2022-03-08 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier |
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