CN104445668B - Water purification device - Google Patents
Water purification device Download PDFInfo
- Publication number
- CN104445668B CN104445668B CN201310442120.2A CN201310442120A CN104445668B CN 104445668 B CN104445668 B CN 104445668B CN 201310442120 A CN201310442120 A CN 201310442120A CN 104445668 B CN104445668 B CN 104445668B
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- China
- Prior art keywords
- water
- membrane
- membrane cartridges
- filter element
- cartridges
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 238000000746 purification Methods 0.000 title abstract description 7
- 239000012528 membrane Substances 0.000 claims abstract description 125
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000002131 composite material Substances 0.000 claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 229920000742 Cotton Polymers 0.000 claims abstract description 21
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 239000002351 wastewater Substances 0.000 claims description 9
- 230000004907 flux Effects 0.000 claims description 7
- 239000008399 tap water Substances 0.000 claims description 7
- 235000020679 tap water Nutrition 0.000 claims description 7
- 238000005374 membrane filtration Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 241000219146 Gossypium Species 0.000 description 15
- 230000000694 effects Effects 0.000 description 3
- 244000261422 Lysimachia clethroides Species 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a water purification device, which comprises a water inlet pipeline, a PP cotton filter element, a preposed activated carbon filter element, a first RO membrane filter element, a second RO membrane filter element, a composite filter element and a water outlet pipeline, wherein the water inlet pipeline is communicated with the water inlet pipeline; the first RO membrane filter element and the second RO membrane filter element are arranged in series or in parallel; the composite filter element comprises an ultrafiltration membrane and postpositive activated carbon; running water enters from the water inlet pipeline, then sequentially passes through the PP cotton filter element, the front activated carbon filter element, the first RO membrane filter element and/or the second RO membrane filter element, then enters the composite filter element, and then flows out from the water outlet pipeline. The composite filter element is arranged in front of the pure water outlet of the pure water device, so that the quality of outlet water can be guaranteed, and the outlet water is better in taste; on the other hand, the filtering process is improved, the water purifier can be drunk after being opened even if not used for a long time, and the use is convenient and safe.
Description
Technical field
A kind of the present invention relates to water treatment field, more particularly to pure water device.
Background technology
As the development of pure water industry, the water filtration process of water purification machine are varied, can filter and produce different qualities
Pure water, function of each filter element in filtering technique are also not quite similar.
General filtering technique be all first pass through before RO films PP cotton filter cores, active carbon filter core, ultrafiltration membrane filter element etc. or this
The mode of a little cartridge combinations, conventional filtration technique generally use these filter elements.In big flow pure water system（Water storage is not used
Pressure pot, RO membrane fluxs are big）, gooseneck faucet is connected to through the pure water after RO membrane filtrations, between RO film pure water ends and gooseneck faucet not
It is further added by filter element filtering or adds rearmounted carbon filter element to improve mouthfeel.If water purification machine was not used in placement a period of time, or
When filter element is safeguarded, antibacterial, virus in tap water easily enter pure water pipeline and water quality are polluted, and affect water quality peace
Entirely.
Content of the invention
Above-mentioned in order to overcome the shortcomings of, it is an object of the invention to provide a kind of new pure water device.
Technical scheme is as follows：
A kind of pure water device, including inlet channel, PP cotton filter cores, preposition activated carbon filtration core, RO membrane cartridges, the 2nd RO
Membrane cartridge, composite filter element and outlet conduit；
The inlet channel, PP cotton filter cores and preposition activated carbon filtration core are sequentially connected；
The first RO membrane cartridges and the 2nd RO membrane cartridges serial or parallel connection are arranged；
The water inlet end of the first RO membrane cartridges and/or the 2nd RO membrane cartridges is connected with preposition activated carbon filtration core, institute
The water side for stating RO membrane cartridges and/or the 2nd RO membrane cartridges is connected with the composite filter element；The composite filter element with
The outlet conduit connection；
Tap water is entered from inlet channel, passes sequentially through PP cotton filter cores, preposition activated carbon filtration core, RO membrane cartridges afterwards
And/or the 2nd enter composite filter element after RO membrane cartridges, then flow out from outlet conduit；
The composite filter element includes ultrafilter membrane and post active carbon.
Wherein in one embodiment, RO membrane cartridges and the 2nd RO membrane cartridges are arranged in parallel；
The water inlet end of the first RO membrane cartridges is connected with the preposition activated charcoal, the water side of RO membrane cartridges
It is connected with the composite filter element；
The water inlet end of the 2nd RO membrane cartridges is connected with the preposition activated charcoal, the water side of the 2nd RO membrane cartridges
It is connected with the composite filter element.
Wherein in one embodiment, RO membrane cartridges and the 2nd RO membrane cartridges are arranged in series, and described
The concentrated water outlet of one RO membrane cartridges is connected to the water inlet end of the 2nd RO membrane cartridges；
The water outlet processed through RO membrane cartridges or the 2nd RO membrane cartridges after the ultrafiltration membrane treatment,
Flow out from outlet conduit after post active carbon process again.
Wherein in one embodiment, the flux of RO membrane cartridges and the 2nd RO membrane cartridges is identical, and is big
The RO membrane cartridges of flux.
Wherein in one embodiment, air relief valve and low tension switch is additionally provided with the inlet channel, is wherein reduced pressure
Valve is near the water inlet.
Wherein in one embodiment, it is additionally provided with into water between the PP cotton filter cores and the preposition activated carbon filtration core
Electromagnetic valve, stabilized pressure pump and effusion meter, near the PP cotton filter cores, the effusion meter is near the preposition work for the entering water electromagnetic valve
Property charcoal, the stabilized pressure pump are arranged between the entering water electromagnetic valve and the effusion meter.
Wherein in one embodiment, export in the concentrated water of RO membrane cartridges and/or the 2nd RO membrane cartridges
Waste water proportioner is additionally provided with pipeline.
Wherein in one embodiment, non-return valve and pressure switch, the check is additionally provided with the outlet conduit
Valve is near the composite filter element.
The invention has the beneficial effects as follows：The pure water device of the present invention was provided with composite filter element before pure water outlet, can
Effluent quality is ensured, makes outlet sense more preferable；On the other hand filtering technique is improved, even if water purification machine long-time is not used also may be used
Ready-to-drink to open, it is used conveniently and safely.
Description of the drawings
In order that the purpose of the pure water device of the present invention, technical scheme and advantage become more apparent, below in conjunction with concrete
Drawings and the specific embodiments, the present invention will be described in further detail.
Fig. 1 is the overall structure diagram of one embodiment of the pure water device of the present invention；
Fig. 2 is the overall structure diagram of another embodiment of the pure water device of the present invention.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
Referring to Fig. 1 and Fig. 2, the invention provides a kind of pure water device, including inlet channel 1, PP cotton filter cores 2, preposition work
Property carbon filtration core 3, RO membrane cartridges 4, the 2nd RO membrane cartridges 5, composite filter element 6 and outlet conduit 7；The inlet channel 1, PP cottons
Filter element 2 and preposition activated carbon filtration core 3 are sequentially connected；The first RO membrane cartridges 4 and 5 serial or parallel connection of the 2nd RO membrane cartridges
Arrange；The water inlet end of the first RO membrane cartridges 4 and/or the 2nd RO membrane cartridges 5 is connected with the preposition activated carbon filtration core 3
Connect, the water side of RO membrane cartridges 4 and/or the 2nd RO membrane cartridges 5 is connected with the composite filter element 6；Described multiple
Close filter element 6 to be connected with the outlet conduit 7；Tap water is entered from inlet channel 1, passes sequentially through PP cotton filter cores 2, preposition work afterwards
Property carbon filtration core 3, RO membrane cartridges 4 or the 2nd RO membrane cartridges 5 after enter composite filter element 6, then flow out from outlet conduit 7；Its
Described in composite filter element 6 include ultrafilter membrane and post active carbon.
In the present embodiment, one end of the inlet channel 1 is water inlet 101, the other end connection institute of the inlet channel 1
State PP cotton filter cores 2；The PP cotton filter cores 2 are connected with the preposition activated carbon filtration core 3, the preposition activated carbon filtration core 3 with described
The water inlet end connection of the water inlet end 41 of the first RO membrane cartridges 4 and/or the 2nd RO membrane cartridges 5, RO membrane cartridges 4
The water side 52 of water side 42 and/or the 2nd RO membrane cartridges 5 is connected to the composite filter element 6, the composite filter element 6 and institute
State outlet conduit 7 to connect, one end of the outlet conduit 7 is provided with pure water outlet 71；Tap water is entered from inlet channel 1, it
After pass sequentially through enter after PP cotton filter cores 2, preposition activated carbon filtration core 3, RO membrane cartridges 4 and/or the 2nd RO membrane cartridges 5 compound
Filter element 6, then flows out from outlet conduit 7.
The present embodiment is provided with two RO membrane cartridges 4,5, so arranges aquifer yield greatly, disclosure satisfy that the big user of water consumption
Water intaking demand, and be not required to arrange Pressured water tank, ensure that the fresh safety of drinking-water；Furthermore, the present embodiment is in RO membrane filtrations
Composite filter element is provided between core and pure water outlet, water caused by untapped water purification machine for a long time is prevented from by composite filter element
Matter pollutes, it is to avoid antibacterial is exceeded and taste bad so that even if water purification machine long-time is not used and also can open ready-to-drink, conveniently make
With.
Preferably, used as a kind of embodiment, composite filter element 6 includes ultrafilter membrane and post active carbon, described through
The water outlet that one RO membrane cartridges 4 or the 2nd RO membrane cartridges 5 are processed after ultrafiltration membrane treatment, then after post active carbon process from
Outlet conduit flows out.Ultrafilter membrane wherein in the present embodiment mainly enters to advance to the water storage that deposits in untapped pipeline for a long time
One step is filtered, and post active carbon is mainly used in improving mouthfeel, and the filtration order of the composite filter element in the present embodiment is to first pass through
Ultrafiltration membrance filter improves mouthfeel through post active carbon again.The mounting means of wherein ultrafilter membrane and post active carbon exists for ultrafilter membrane
On, under, the shell of composite filter element could be arranged to cylindrical shape, the shape of the ultrafilter membrane and the composite filter to post active carbon
The cross section of the shell of core is adapted, and the ultrafilter membrane is arranged on the top of the enclosure of the composite filter element, rearmounted activity
Charcoal arranges bottom inside the housing, and preferably, ultrafilter membrane is arranged on shell the position apart from shell upper end 1/4 to 1/3,
The height of post active carbon at least accounts for the 1/3 of the height of the ultrafilter membrane shell.So water has enough pressure and power to carry out
Filter.The upper end of wherein shell is upper end when composite filter element is placed when using.
Preferably, as a kind of embodiment, referring to Fig. 1, RO membrane cartridges 4 and the 2nd RO membrane cartridges
5 are arranged in parallel, i.e., the water inlet end 41 of described RO membrane cartridges 4 is connected with the preposition activated charcoal 3, RO membrane cartridges
4 water side 42 is connected with the composite filter element 6；The water inlet end 51 of the 2nd RO membrane cartridges 5 is connected with the preposition activated charcoal 3
Connect, the water side 52 of the 2nd RO membrane cartridges 5 is connected with the composite filter element 6.RO membrane cartridges in the present embodiment and
2nd RO membrane cartridges are arranged in parallel, and process the water yield greatly, even if one of RO membrane cartridges block or occur other failures, pure water is filled
Put and remain to be continuing with.
Preferably, as a kind of embodiment, referring to Fig. 2, RO membrane cartridges 4 and the 2nd RO membrane cartridges
5 are arranged in series, i.e., the concentrated water outlet 43 of described RO membrane cartridges 4 is connected to the water inlet end 51 of the 2nd RO membrane cartridges 5.This
The concentrated water that first RO membrane cartridges 4 are produced is directly accessed in embodiment the water inlet end 51 of the 2nd RO membrane cartridges 5, so arranging can
Rationally using the concentrated water produced by RO membrane cartridges 4, it is to avoid waste, using water wisely improves producing water ratio.
Preferably, RO membrane cartridges 4 are identical with the flux of the 2nd RO membrane cartridges 5, and are the RO films of big flux
Filter element.It is big that aquifer yield is so set, can be not required to access Pressured water tank and directly water outlet meets user's water intaking demand.
Preferably, as a kind of embodiment, being additionally provided with air relief valve 8 and low tension switch on the inlet channel 1
9, wherein air relief valve 8 is near the water inlet 101.Air relief valve 8 in the present embodiment, will water inlet mainly by controlling opening of valve
Pressure is down to the pressure of needs and the energy by medium itself makes the valve of pressure remained steady, is mainly used in adjusting influent pressure
Power；Low tension switch 9 in the present embodiment is mainly used in the whole machine protection of hydropenia, works as water inlet（Tap water）When pressure reaches setting value,
Low tension switch is closed, and connects controlling the water circulation circuit, and when water feeding pressure is relatively low or PP cotton filter cores are blocked, low tension switch disconnects, cut-out
Controlling the water circulation circuit, it is to avoid water pump dallies.
Preferably, as a kind of embodiment, between the PP cotton filter cores 2 and the preposition activated carbon filtration core 3 also
Entering water electromagnetic valve 10, stabilized pressure pump 11 and effusion meter 12 is provided with, the entering water electromagnetic valve 10 is near the PP cotton filter cores 2, described
Near the preposition activated charcoal 3, the stabilized pressure pump 11 is arranged on the entering water electromagnetic valve 10 and the effusion meter 12 to effusion meter 12
Between.Entering water electromagnetic valve 10 in the present embodiment is mainly used in control water inlet, and when water inlet, entering water electromagnetic valve 10 is opened, and is stopped
When only intaking, entering water electromagnetic valve 10 disconnects, and entering water electromagnetic valve is primarily served and prevents follow-up filter element when shutting down from continuing to be subject to water
The effect of pressure, while preventing tap water from causing waste water not stop through RO film concentrated water outlet conduits, extends the service life of filter element；
Stabilized pressure pump 11 primarily serves the effect of stable hydraulic pressure, for providing the pressure required for RO membrane cartridges；Effusion meter 12 is mainly used in
According to effusion meter and water yield, detection flows, can judge whether the state of pure water device is normal.
Preferably, as a kind of embodiment, in the dense of RO membrane cartridges and/or the 2nd RO membrane cartridges
Waste water proportioner 13 is additionally provided with water exit conduit.The wastewater flow rate of RO membrane cartridges can be adjusted by adjusting waste water proportioner 13
With the operating pressure for adjusting RO membrane cartridges.Waste water proportioner in the present embodiment is 1000cc.In Fig. 1, the waste water proportioner
13 be arranged on RO membrane cartridges and the 2nd RO membrane cartridges parallel connection after concentrated water outlet conduit on；In Fig. 2, the waste water proportioner
It is arranged on the concentrated water outlet conduit 53 of the 2nd RO membrane cartridges.
Preferably, as a kind of embodiment, being additionally provided with non-return valve 14 and pressure switch on the outlet conduit 7
15, the non-return valve 14 is near the composite filter element 6.Wherein non-return valve 14 is mainly used in preventing pure water from flowing backwards, pressure switch 15
It is mainly used in controlling pure water amount.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claim.
Claims (6)
1. a kind of pure water device, it is characterised in that including inlet channel, PP cotton filter cores, preposition activated carbon filtration core, RO membrane filtrations
Core, the 2nd RO membrane cartridges, composite filter element and outlet conduit；
The inlet channel, PP cotton filter cores and preposition activated carbon filtration core are sequentially connected；
The first RO membrane cartridges and the 2nd RO membrane cartridges serial or parallel connection are arranged；
The water inlet end of the first RO membrane cartridges and/or the 2nd RO membrane cartridges is connected with the preposition activated carbon filtration core, institute
The water side for stating RO membrane cartridges and/or the 2nd RO membrane cartridges is connected with the composite filter element；The composite filter element with
The outlet conduit connection；
Tap water from inlet channel enter, pass sequentially through afterwards PP cotton filter cores, preposition activated carbon filtration core, RO membrane cartridges and/
Or the 2nd enter composite filter element after RO membrane cartridges, then flow out from outlet conduit；
The composite filter element includes that ultrafilter membrane and post active carbon, the ultrafilter membrane are located at the top of the post active carbon, warp
The water outlet that the first RO membrane cartridges and/or the 2nd RO membrane cartridges are processed after the ultrafilter membrane, then after described
Put after activated carbon is processed and flow out from outlet conduit；
The ultrafilter membrane is arranged on the housing apart from the position of the shell upper end 1/4 to 1/3, the post active carbon
Height at least account for the ultrafilter membrane shell height 1/3；
Air relief valve and low tension switch is additionally provided with the inlet channel, and wherein air relief valve is near the water inlet, described low
Compress switch for the whole machine protection of hydropenia；
Non-return valve and pressure switch is additionally provided with the outlet conduit, and the non-return valve is near the composite filter element, described
Pressure switch is used for controlling pure water amount.
2. pure water device according to claim 1, it is characterised in that RO membrane cartridges and the 2nd RO membrane filtrations
Core is arranged in parallel；
The water inlet end of the first RO membrane cartridges is connected with the preposition activated charcoal, the water side of RO membrane cartridges and institute
State composite filter element connection；
The water inlet end of the 2nd RO membrane cartridges is connected with the preposition activated charcoal, the water side of the 2nd RO membrane cartridges and institute
State composite filter element connection;
The water outlet processed through RO membrane cartridges or the 2nd RO membrane cartridges is after the ultrafiltration membrane treatment, then passes through
Cross after the post active carbon is processed and flow out from outlet conduit.
3. pure water device according to claim 1, it is characterised in that RO membrane cartridges and the 2nd RO membrane filtrations
Core is arranged in series, and the concentrated water outlet of RO membrane cartridges is connected to the water inlet end of the 2nd RO membrane cartridges.
4. pure water device according to claim 1, it is characterised in that RO membrane cartridges and the 2nd RO membrane cartridges
Flux is identical, and is the RO membrane cartridges of big flux.
5. the pure water device according to Claims 1-4 any one, it is characterised in that in PP cotton filter cores and described
Entering water electromagnetic valve, stabilized pressure pump and effusion meter is additionally provided between preposition activated carbon filtration core, and the entering water electromagnetic valve is near the PP
Cotton filter core, near the preposition activated charcoal, the stabilized pressure pump is arranged on the entering water electromagnetic valve and the flow to the effusion meter
Between meter.
6. the pure water device according to Claims 1-4 any one, it is characterised in that RO membrane cartridges and/
Or waste water proportioner is additionally provided with the concentrated water outlet conduit of the 2nd RO membrane cartridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310442120.2A CN104445668B (en) | 2013-09-25 | 2013-09-25 | Water purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310442120.2A CN104445668B (en) | 2013-09-25 | 2013-09-25 | Water purification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104445668A CN104445668A (en) | 2015-03-25 |
| CN104445668B true CN104445668B (en) | 2017-03-15 |
Family
ID=52892526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310442120.2A Active CN104445668B (en) | 2013-09-25 | 2013-09-25 | Water purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104445668B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548742A (en) * | 2013-10-12 | 2015-04-29 | 珠海格力电器股份有限公司 | Water purifier |
| CN104743704A (en) * | 2015-03-31 | 2015-07-01 | 佛山市顺德区美的饮水机制造有限公司 | Post-processed composite filter element and water purifying system containing same |
| CN104829024A (en) * | 2015-05-22 | 2015-08-12 | 佛山市顺德区美的饮水机制造有限公司 | Filter system of water purifying plant and water purifying plant with same |
| CN106082517B (en) * | 2016-07-25 | 2023-07-14 | 珠海格力电器股份有限公司 | Filtering system and water purifying and drinking machine with same |
| CN106277206B (en) * | 2016-09-23 | 2018-12-21 | 珠海格力电器股份有限公司 | Water purifying drinking machine |
| CN107746133A (en) * | 2017-12-04 | 2018-03-02 | 胡国平 | A kind of peak valley disjunctor filtration equipment for clarifying and system |
| CN108442478B (en) * | 2018-02-05 | 2020-04-21 | 陕西汇丰悦水循环科技有限公司 | Ecological lavatory device is retrieved to nutrient substance normal position based on excrement and urine source separation |
| CN109975191A (en) * | 2019-03-21 | 2019-07-05 | 江苏富淼科技股份有限公司 | Scale inhibition dynamic evaluation instrument and its application method |
| CN110127883B (en) * | 2019-06-06 | 2024-07-02 | 莱克电气股份有限公司 | Water purifier and composite filter element thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2749563Y (en) * | 2004-06-21 | 2006-01-04 | 安德成科技股份有限公司 | Reverse osmosis hydrofilter with automatic control mechanism |
| CN201817337U (en) * | 2009-09-01 | 2011-05-04 | 惠州七芯膜净化环保有限公司 | Water purifier |
| CN201598208U (en) * | 2009-09-11 | 2010-10-06 | 美的集团有限公司 | Composite filter element |
| CN202246290U (en) * | 2011-10-14 | 2012-05-30 | 珠海格力电器股份有限公司 | Tank-free reverse osmosis water purifier |
| CN202558704U (en) * | 2012-03-31 | 2012-11-28 | 邹国南 | Water purifier |
| CN203065266U (en) * | 2013-01-17 | 2013-07-17 | 贵州双源环保科技有限责任公司 | Domestic water purifying device |
| CN203545795U (en) * | 2013-09-25 | 2014-04-16 | 珠海格力电器股份有限公司 | Water purification device |
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2013
- 2013-09-25 CN CN201310442120.2A patent/CN104445668B/en active Active
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| CN104445668A (en) | 2015-03-25 |
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