CN105523655A - Washable water preparation system in water purifier and water purifier - Google Patents
Washable water preparation system in water purifier and water purifier Download PDFInfo
- Publication number
- CN105523655A CN105523655A CN201610054926.8A CN201610054926A CN105523655A CN 105523655 A CN105523655 A CN 105523655A CN 201610054926 A CN201610054926 A CN 201610054926A CN 105523655 A CN105523655 A CN 105523655A
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- CN
- China
- Prior art keywords
- water
- reverse osmosis
- osmosis membrane
- preposition
- filter core
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
Abstract
The invention relates to a water purifying device and provides a washable water preparation system in a water purifier. The washable water preparation system comprises a front filter element assembly, a booster pump, a reverse osmosis membrane, a rear filter element assembly and a water container which are sequentially connected in series in a tap water purification sequence; the washable water preparation system further comprises a reverse osmosis membrane washing branch and a front filter element washing branch, wherein the reverse osmosis membrane washing branch is communicated with a pure water outlet of the water container and a pure water inlet of the booster pump; the front filter element branch is communicated with a water outlet of the booster pump and a pure water inlet of the front filter element assembly; the front filter element assembly is provided with a waste water draining port; the reverse osmosis membrane is provided with a concentrated water draining port. The invention further provides the water purifier comprising the system. The system has two washing functions, can effectively maintain the front filter element assembly and the reverse osmosis membrane through the prepared pure water and is very convenient, not only can the service life of the front filter element assembly and the service life of the reverse osmosis membrane be prolonged, but also the water preparation efficiency of the system is guaranteed.
Description
Technical field
The present invention relates to purifier, particularly relate to water manufacturing system flushable in a kind of water-purifying machine and water-purifying machine.
Background technology
At present, known reverse osmosis water purifier is all made up of preposition filter core, reverse osmosis membrane filter element, post active carbon filter core, along with the water yield increase of water-purifying machine filtration and the serious of water pollutions, a large amount of pollutent can be attached to very soon on filter core and cause filter core to block, make to produce water speed reduce or affect water quality, filter element life is shortened.Conventional terms of settlement rinses filter core or changes, and consider in line with resources conservation and the angle that makes full use of, prioritizing selection filter core rinses.And have the many pre-washing functions of not being with of water-purifying machine on the market, and need the artificial filter core of dismounting separately to rinse, cumbersome.And the water-purifying machine of existing band pre-washing function, or adopting the waste water of reverse osmosis membrane output to clean, cleaning performance is not good; Or utilize the contraction of pressure pot and release to provide flushing pressure, and the pressure provided due to pressure pot is uneven, also can affect developing result.
Summary of the invention
The object of the present invention is to provide water manufacturing system flushable in a kind of water-purifying machine, being intended to the problem for solving to filter element cleaning inconvenience in existing water-purifying machine.
The present invention is achieved in that
The embodiment of the present invention provides water manufacturing system flushable in a kind of water-purifying machine, the preposition element kit of connecting successively is comprised along tap water purifying order, topping-up pump, reverse osmosis membrane, rearmounted element kit and tank, also include reverse osmosis membrane to rinse branch road and preposition filter core and rinse branch road, described reverse osmosis membrane rinses branch road and is communicated with the pure water outlet of described tank and the purified water inlet of described topping-up pump, described preposition filter core rinses the purified water inlet that branch road is communicated with described topping-up pump water outlet and described preposition element kit, and described preposition element kit has waste water row mouth, described reverse osmosis membrane has concentrated water drainage mouth.
Particularly, described preposition element kit comprises the cotton filter core of the large PP connected successively along tap water purifying order cotton filter core, preposition activated charcoal filter core and little PP, described waste water row mouth is opened on the cotton filter core of described large PP, and described preposition filter core rinses branch road and is communicated to the cotton filter core of described little PP.
Further, after in described tank, pure water system expires, the described pure water outlet of described tank is opened and is rinsed described reverse osmosis membrane, and after described reverse osmosis membrane has rinsed, the dense water that in described reverse osmosis membrane, water processed produces is replaced by pure water, and described reverse osmosis membrane is soaked in pure water environment.
Further, after described reverse osmosis membrane has rinsed, and when the pure water in described tank uses to a certain degree, described reverse osmosis membrane starts again water processed.
Further, the water outlet in described topping-up pump has additional the first magnetic valve to the stream of described reverse osmosis membrane.
Further, rinse on branch road in described preposition filter core and be in series with the first reverse checkvalve and the second magnetic valve, and described first reverse checkvalve along pure water rinsing direction near described preposition element kit.
Further, the stream between the water outlet and the water-in of described topping-up pump of described preposition element kit is provided with the 3rd magnetic valve.
Further, on described reverse osmosis membrane flushing branch road, be provided with the second reverse checkvalve along described tank to described topping-up pump direction conducting.
Further, rinse on branch road in described reverse osmosis membrane and have additional the 4th magnetic valve, and on the stream of described 4th magnetic valve between described second reverse checkvalve and described topping-up pump.
The embodiment of the present invention also provides a kind of water-purifying machine, comprises body, also comprises water manufacturing system flushable in above-mentioned water-purifying machine, and described preposition element kit is positioned at described body or is positioned at outside described body.
The present invention has following beneficial effect:
In system of the present invention, during normal water processed, tap water is introduced into preposition element kit and filters, then be directed at reverse osmosis membrane place by topping-up pump and carried out osmosis filtration, the dense water that this process produces is discharged by concentrated water drainage mouth, the pure water of preparation is stored in tank after rearmounted element kit filters again, and after stopping water processed, then can start flushing operation, pure water in tank can be exported by pure water and drain into reverse osmosis membrane flushing reverse osmosis membrane under the effect of topping-up pump, thus the cleaning formed reverse osmosis membrane, improve the work-ing life of this reverse osmosis membrane, pure water in addition in tank can also enter preposition filter core and rinse the preposition element kit of flushing in branch road, waste water after flushing is arranged mouth by waste water and is discharged, thus the effect preposition element kit being cleaned to maintenance can be played.In above-mentioned whole process, this system can realize the maintenance to preposition element kit and reverse osmosis membrane automatically, not only very convenient, and owing to adopting pure water rinsing, the effectiveness comparison of clean maintenance is obvious, effectively can improve both work-ing life and water efficiency processed.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of water manufacturing system flushable in the water-purifying machine that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the preposition element kit flushing schematic diagram of water manufacturing system flushable in the water-purifying machine of Fig. 1;
Fig. 3 is the flushing schematic diagram of the reverse osmosis membrane of water manufacturing system flushable in the water-purifying machine of Fig. 1;
Fig. 4 is the structural representation that the reverse osmosis of water manufacturing system flushable in the water-purifying machine of Fig. 1 rinses that the 4th magnetic valve set up by branch road.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, the embodiment of the present invention provides water manufacturing system 1 flushable in a kind of water-purifying machine, tap water 2 is mainly used in be prepared as pure water, its order of purification along tap water 2 comprises preposition element kit 11, topping-up pump 12, reverse osmosis membrane 13, rearmounted element kit 14 and tank 15, above-mentioned each parts pipeline is connected successively, namely tap water 2 is successively through preposition element kit 11, topping-up pump 12, reverse osmosis membrane 13, rearmounted element kit 14 and tank 15, system 1 also includes reverse osmosis and rinses branch road 16 and preposition filter core flushing branch road 17, reverse osmosis is rinsed branch road 16 and is communicated with the pure water outlet of tank 15 and the purified water inlet of topping-up pump 12, and preposition filter core flushing branch road 17 is communicated with the water outlet of topping-up pump 12 and the purified water inlet of preposition element kit 11, preposition element kit 11 has waste water row mouth 111 in addition, reverse osmosis membrane 13 has concentrated water drainage mouth 131.In the present invention, water process processed includes three filtrations, be respectively preposition element kit 11 to filter, the osmosis filtration of reverse osmosis membrane 13 and the filtration of rearmounted element kit 14, thus the pure water quality comparation after preparing can be made high, and after water process processed stops, by topping-up pump 12, the pure water in tank 15 can be rinsed this reverse osmosis membrane 13 to reverse osmosis membrane 13 by its pure water outlet guide, the dense water produced can be discharged by concentrated water drainage mouth 131, to reach the effect to reverse osmosis membrane 13 maintenance, and in an other branch road, pure water can be directed at preposition filter core and rinse in branch road 17 by topping-up pump 12, rinse branch road 17 by preposition filter core again to rinse preposition element kit 11, the waste water produced can be arranged mouth 111 by waste water and discharge.In above process, for waste water row mouth 111 and concentrated water drainage mouth 131, system 1 can form two flush loop, respectively cleaning maintenance is carried out to preposition element kit 11 and reverse osmosis membrane 13, not only can strengthen both work-ing life, and be conducive to the water efficiency processed of whole system 1, in addition because wash-down water is the pure water prepared, make preposition element kit 11 relatively good with the cleaning performance of reverse osmosis membrane 13, cleaning can be realized without the need to disengaging section parts, very convenient.Optimize above-described embodiment, reverse osmosis membrane 13 forward is vertically placed or is horizontally disposed with.In the present embodiment, optimize the set-up mode of reverse osmosis membrane 13, when reverse osmosis membrane 13 forward is vertically placed, after the filtration that topping-up pump work produces, tap water or pure water enter reverse osmosis membrane 13 by the top of reverse osmosis membrane 13, filter the below that the dense water produced is collected into this reverse osmosis membrane 13, certain pure water outlet is also positioned at the below of reverse osmosis membrane 13, thus can when rinsing reverse osmosis membrane 13, be more conducive to the abundant discharge of dense water on reverse osmosis membrane 13, developing result is better; And in a further mode of operation, reverse osmosis membrane 13 is horizontally disposed with, when carrying out reverse osmosis membrane 13 and rinsing, it also can avoid self gravitation to produce larger impact to the discharge of water dense on reverse osmosis membrane 13.
See Fig. 2, the preposition element kit 11 of refinement, it includes the cotton filter core 114 of large PP cotton filter core 112, preposition activated charcoal filter core 113 and little PP, three connects successively along the purification order of tap water 2, namely tap water 2 filters through the cotton filter core 114 of large PP cotton filter core 112, preposition activated charcoal filter core 113 and little PP successively, waste water row mouth 111 above-mentioned is in addition opened on the cotton filter core 112 of large PP, and preposition filter core flushing branch road 17 is communicated to the cotton filter core 114 of little PP.In the present embodiment, preposition element kit 11 is integrated filter element, three increases successively along the purification sequential filtration precision of tap water 2, make the filtering accuracy of preposition element kit 11 very high, otherwise and when rinsing, pure water is successively through the cotton filter core 114 of little PP, preposition activated charcoal filter core 113 and the cotton filter core 112 of large PP, finally arrange mouth 111 by waste water to discharge, it rinses contaminant size and increases successively, be conducive to ensureing developing result, in preposition element kit 11, the impurity of various size all can be washed to waste water row mouth 111 place.Because after reverse osmosis membrane 13 effect, tap water 2 is prepared as pure water, then rearmounted element kit 14 place only can need have post active carbon filter core.
See Fig. 3, optimize above-mentioned water processed and flushing process, after in tank 15, pure water system expires, the pure water outlet of tank 15 is opened, under the effect of topping-up pump 12, reverse osmosis membrane 13 is rinsed, and after reverse osmosis membrane 13 has rinsed, the dense water that in reverse osmosis membrane 13, water processed produces is replaced by pure water completely, and reverse osmosis membrane 13 is soaked in pure water environment.In the present invention, system 1 also includes switchboard, liquid level sensor is provided with in tank 15, it is electrically connected with switchboard, namely when the liquid level in tank 15 reaches the set(ting)value of liquid level sensor, it transmits this information to switchboard, the water conservancy project sequence processed of switchboard Controlling System 1 stops, the pure water outlet simultaneously controlling tank 15 is opened, topping-up pump 12 drives pure water to wash away reverse osmosis membrane 13, this process lasts general 30 seconds, the dense water that reverse osmosis membrane 13 place water process is produced is discharged by concentrated water drainage mouth 131, and reverse osmosis membrane 13 is immersed in pure water environment, this reverse osmosis membrane 13 is immersed in all the time when not using in pure water environment, thus effectively can avoid reverse osmosis membrane 13 crystallization fouling and blocking, ensure the work-ing life of reverse osmosis membrane 13.And for the flushing of preposition element kit 11, be then that switchboard sends to rinse when detecting and do not carry out cleaning maintenance to it in user's for some time (being generally set as 10 days) and reminds, then user can start the push button to preposition element kit 11.Certainly, in the process of rinsing reverse osmosis membrane 13 and preposition element kit 11, if user uses the pure water in tank 15, then aforesaid flushing process terminates automatically.
Continue to optimize above-described embodiment, after reverse osmosis membrane 13 has rinsed, and when the pure water in tank 15 uses to a certain degree, reverse osmosis membrane 13 starts again water processed.In the present embodiment, delay base water program is provided with in system 1, namely only have when the pure water in tank 15 uses to a certain degree, switchboard just Controlling System 1 re-starts water processed, can by user's sets itself for the pure water consumption in tank 15 during water processed again, such as the pure water remainder 3L in tank 15 or when using 3L, system 1 water processed again voluntarily.Waterside number processed can be reduced by this setting, so can effectively reduce pure water system in tank 15 full after the washing time of reverse osmosis membrane 13, reduce the pure water consumption consumed when reverse osmosis membrane 13 rinses.The water consumption restarting water processed is determined according to great many of experiments, can reach when not affecting user's water demand, with minimum wash water amount, farthest ensures that reverse osmosis membrane 13 rinses maintenance effect.Certainly for saving wash water amount, also can be set as that set time every day carries out auto-flushing, but not each water processed completes and all rinses.
See Fig. 1-Fig. 3, further, to the stream of rearmounted element kit 14, the first magnetic valve 132 is had additional at the water outlet of topping-up pump 12.First magnetic valve 132 is electrically connected with switchboard, is namely controlled the break-make of the first magnetic valve 132 by switchboard, thus can realize the break-make on this stream.And usually, rinse on branch road 17 at preposition filter core and be in series with the second magnetic valve 171, and on the stream between the water outlet and topping-up pump 12 water-in of preposition element kit 11, be in series with the 3rd magnetic valve 121, the break-make of corresponding stream is controlled by each magnetic valve, and be all electrically connected with switchboard, control break-make by it.Particularly, during normal water processed, the second magnetic valve 171 cuts out, and the first magnetic valve 132 and the 3rd magnetic valve 121 are opened, and tap water 2 can only flow along preposition element kit 11, topping-up pump 12, reverse osmosis membrane 13, rearmounted element kit 14 and tank 15; When rinsing reverse osmosis membrane 13, then open the first magnetic valve 132, close the second magnetic valve 171 and the 3rd magnetic valve 121, pure water can only flow along tank 15, topping-up pump 12 and reverse osmosis membrane 13; When rinsing preposition element kit 11, then open the second magnetic valve 171, close the first magnetic valve 132 and the 3rd magnetic valve 121, pure water can only flow along tank 15, topping-up pump 12 and preposition element kit 11.In above-mentioned various function, according to actual needs, switchboard controls corresponding magnetic valve and opens or close, and it both can for complete in system 1 automatically, also can user's manual control, very convenient.
See Fig. 4, optimize above-described embodiment, rinse on branch road 17 at preposition filter core and be also in series with the first reverse checkvalve 172, this first reverse checkvalve 172 along pure water rinsing direction near preposition element kit 11.In the present embodiment, rinse on branch road 17 at preposition filter core and have additional the first reverse checkvalve 172, and when rinsing preposition element kit 11, pure water is successively through the second magnetic valve 171 and the first reverse checkvalve 172, this the first reverse checkvalve 172 one-way conduction, pure water enters in preposition element kit 11 by topping-up pump 12 only, and it can effectively avoid in water process processed, the hydraulic pressure at preposition element kit 11 place produces the second magnetic valve 171 and impacts, and then affects the use properties of the second magnetic valve 171.Further, rinse on branch road 16 in reverse osmosis and be provided with the second reverse checkvalve 161, branch road 16 is rinsed in its direction one-way conduction reverse osmosis along tank 15 to topping-up pump 12, namely the tap water 2 at topping-up pump 12 place can be avoided to rinse branch road 16 through reverse osmosis to be entered in tank 15, ensures the pure water quality in tank 15.Optimize reverse osmosis and rinse branch road 16, it is also provided with the 4th magnetic valve 162, and on the stream of the 4th magnetic valve 162 between the second reverse checkvalve 161 and topping-up pump 12, when can avoid the insufficient pressure of tap water, the pure water that topping-up pump 12 extracts in tank 15 repeats water processed, thus affects water production rate and waste resource.
Refer again to Fig. 1, the embodiment of the present invention also provides a kind of water-purifying machine, comprises body and above-mentioned system 1, and the preposition element kit 11 of this system 1 is arranged in body or is arranged at outside body.In the present embodiment, be applied in water-purifying machine by above-mentioned system 1, this water-purifying machine can be made to have two kinds of pre-washing functions, and operation is very easy, effectively can improve the work-ing life of preposition element kit 11 and reverse osmosis membrane 13 in water-purifying machine, and water efficiency processed can be improved.Body to coordinate with system 1 install time, most of parts of system 1 are all installed in body, and for preposition element kit 11 because it is first filter element of tap water, its work-ing life is shorter relative to rearmounted element kit 14, then change comparatively frequent, to this for convenience of to its dismounting, the outside of body can be placed on, certainly also can be installed on the inner side of body.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. water manufacturing system flushable in a water-purifying machine, the preposition element kit of connecting successively is comprised along tap water purifying order, topping-up pump, reverse osmosis membrane, rearmounted element kit and tank, it is characterized in that: also include reverse osmosis membrane and rinse branch road and preposition filter core and rinse branch road, described reverse osmosis membrane rinses branch road and is communicated with the pure water outlet of described tank and the purified water inlet of described topping-up pump, described preposition filter core rinses the purified water inlet that branch road is communicated with described topping-up pump water outlet and described preposition element kit, and described preposition element kit has waste water row mouth, described reverse osmosis membrane has concentrated water drainage mouth.
2. water manufacturing system flushable in water-purifying machine as claimed in claim 1, it is characterized in that: described preposition element kit comprises the cotton filter core of the large PP connected successively along tap water purifying order cotton filter core, preposition activated charcoal filter core and little PP, described waste water row mouth is opened on the cotton filter core of described large PP, and described preposition filter core rinses branch road and is communicated to the cotton filter core of described little PP.
3. water manufacturing system flushable in water-purifying machine as claimed in claim 1, it is characterized in that: after in described tank, pure water system expires, the described pure water outlet of described tank is opened and is rinsed described reverse osmosis membrane, and after described reverse osmosis membrane has rinsed, the dense water that in described reverse osmosis membrane, water processed produces is replaced by pure water, and described reverse osmosis membrane is soaked in pure water environment.
4. water manufacturing system flushable in water-purifying machine as claimed in claim 1, is characterized in that: after described reverse osmosis membrane has rinsed, and when the pure water in described tank uses to a certain degree, described reverse osmosis membrane starts again water processed.
5. water manufacturing system flushable in water-purifying machine as claimed in claim 1, is characterized in that: the water outlet in described topping-up pump has additional the first magnetic valve to the stream of described reverse osmosis membrane.
6. water manufacturing system flushable in water-purifying machine as claimed in claim 1, it is characterized in that: rinse on branch road in described preposition filter core and be in series with the first reverse checkvalve and the second magnetic valve, and described first reverse checkvalve along pure water rinsing direction near described preposition element kit.
7. water manufacturing system flushable in water-purifying machine as claimed in claim 1, is characterized in that: the stream between the water outlet and the water-in of described topping-up pump of described preposition element kit is provided with the 3rd magnetic valve.
8. water manufacturing system flushable in water-purifying machine as claimed in claim 1, is characterized in that: on described reverse osmosis membrane flushing branch road, be provided with the second reverse checkvalve along described tank to described topping-up pump direction conducting.
9. water manufacturing system flushable in water-purifying machine as claimed in claim 8, is characterized in that: rinse on branch road in described reverse osmosis membrane and have additional the 4th magnetic valve, and on the stream of described 4th magnetic valve between described second reverse checkvalve and described topping-up pump.
10. a water-purifying machine, comprises body, it is characterized in that: also comprise water manufacturing system flushable in the water-purifying machine as described in any one of claim 1-9, and described preposition element kit is positioned at described body or is positioned at outside described body.
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| CN201610054926.8A CN105523655B (en) | 2016-01-27 | 2016-01-27 | Flushable water manufacturing system and water purifier in water purifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610054926.8A CN105523655B (en) | 2016-01-27 | 2016-01-27 | Flushable water manufacturing system and water purifier in water purifier |
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| CN105523655A true CN105523655A (en) | 2016-04-27 |
| CN105523655B CN105523655B (en) | 2018-06-12 |
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| CN107879423A (en) * | 2017-12-11 | 2018-04-06 | 武汉斯隆电气有限公司 | Water purifier and its water circuit system |
| CN108726715A (en) * | 2018-07-25 | 2018-11-02 | 珠海格力电器股份有限公司 | A kind of water treatment system and purifier |
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| CN110697846A (en) * | 2019-11-12 | 2020-01-17 | 珠海格力电器股份有限公司 | Filter core, filter core cleaning system and purifier |
| CN110776120A (en) * | 2019-11-12 | 2020-02-11 | 珠海格力电器股份有限公司 | Filter element cleaning system, filter element cleaning method and water purifier |
| CN110980993A (en) * | 2019-12-30 | 2020-04-10 | 珠海格力电器股份有限公司 | Water purifier and automatic flushing device and flushing method thereof |
| CN113023974A (en) * | 2021-03-31 | 2021-06-25 | 江西怡润科技有限公司 | Reverse osmosis water purifier |
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| CN108726715B (en) * | 2018-07-25 | 2024-01-30 | 珠海格力电器股份有限公司 | Water treatment system and water purification equipment |
| CN108726715A (en) * | 2018-07-25 | 2018-11-02 | 珠海格力电器股份有限公司 | A kind of water treatment system and purifier |
| CN109467204A (en) * | 2018-11-30 | 2019-03-15 | 浙江朗诗德健康饮水设备股份有限公司 | A kind of water circuit system and control method of purifier |
| CN110419996A (en) * | 2019-03-19 | 2019-11-08 | 青岛科技大学 | A kind of water purification system and dish-washing machine washing procedure of dish-washing machine |
| CN110697846A (en) * | 2019-11-12 | 2020-01-17 | 珠海格力电器股份有限公司 | Filter core, filter core cleaning system and purifier |
| CN110776120A (en) * | 2019-11-12 | 2020-02-11 | 珠海格力电器股份有限公司 | Filter element cleaning system, filter element cleaning method and water purifier |
| CN110980993A (en) * | 2019-12-30 | 2020-04-10 | 珠海格力电器股份有限公司 | Water purifier and automatic flushing device and flushing method thereof |
| CN110980993B (en) * | 2019-12-30 | 2023-11-03 | 珠海格力电器股份有限公司 | Water purifier and automatic flushing device and flushing method thereof |
| CN113023974A (en) * | 2021-03-31 | 2021-06-25 | 江西怡润科技有限公司 | Reverse osmosis water purifier |
| CN115970387A (en) * | 2022-12-22 | 2023-04-18 | 珠海格力电器股份有限公司 | Water purification system, control method, electronic equipment and storage medium |
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