CN109052703A - A kind of direct drinking fountain removing plastic pollution - Google Patents
A kind of direct drinking fountain removing plastic pollution Download PDFInfo
- Publication number
- CN109052703A CN109052703A CN201811182199.9A CN201811182199A CN109052703A CN 109052703 A CN109052703 A CN 109052703A CN 201811182199 A CN201811182199 A CN 201811182199A CN 109052703 A CN109052703 A CN 109052703A
- Authority
- CN
- China
- Prior art keywords
- direct drinking
- water
- drinking fountain
- removing plastic
- plastic pollution
- 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.)
- Withdrawn
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 51
- 229920003023 plastic Polymers 0.000 title claims abstract description 51
- 230000035622 drinking Effects 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 15
- 239000008399 tap water Substances 0.000 claims abstract description 11
- 235000020679 tap water Nutrition 0.000 claims abstract description 11
- 239000000523 sample Substances 0.000 claims abstract description 10
- 229920000742 Cotton Polymers 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 239000003610 charcoal Substances 0.000 claims description 5
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 4
- 244000060011 Cocos nucifera Species 0.000 claims description 4
- 238000009991 scouring Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 abstract description 29
- 239000004014 plasticizer Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 235000020188 drinking water Nutrition 0.000 abstract description 3
- 239000003651 drinking water Substances 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000005416 organic matter Substances 0.000 abstract description 2
- 239000010963 304 stainless steel Substances 0.000 abstract 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 238000003911 water pollution Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000002120 nanofilm Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002351 wastewater 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- 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
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of direct drinking fountains for removing plastic pollution, it is exported including the tap water inlets being mounted on casing of water dispenser and direct drinking, low tension switch is successively arranged on pipeline between the tap water inlets and direct drinking outlet, pressure maintaining valve, PP cotton filter element, preposition activated filtration core, first TDS probe, inlet water solenoid valve, booster pump, RO membrane filter, 2nd TDS probe, check valve, post active carbon filter core and high-voltage switch gear, the present invention is from multi-level fine processing up to RO film process, by the trace level within plastic particles and plasticizer treats to hundred a ten thousandths, because the macromoleculars insulating properties such as plastic particles organic matter can not be detected by TDS value, we handle TDS value to 1-5ppm, it indicates while Ultra-High Efficiency removes other pollutants, also plasticiser and modeling are sufficiently eliminated Expect particle.The secondary pollution of pure direct drinking water thoroughly especially and after RO film is avoided up to water outlet using no 304 stainless steel of moulding material completely, has ensured that human body is not encroached on by plastic particles and plasticiser.
Description
Technical field
The present invention relates to water-treatment technology field, the direct drinking fountain of specifically a kind of removal plastic pollution.
Background technique
China or even global water pollution are serious at present, there is different degrees of dirt including water sources such as underground water, river, Hu Bo
Dye, city tap-water factory treatment process excessively tradition and extensive, only precipitating, filtering, disinfection etc..Tap water should not directly be drunk
Those demands to the people that life and healthy quality have higher requirements are not achieved with, water quality therefore to occur in the market a variety of
The water purifier of multiplicity, purified water machine, direct drinking fountain.But the profession to plastic pollution in water is not yet targetedly removed so far
The report of equipment or water purifier, and the main material of water dispenser is nearly all plastics, although nominal food-grade or nontoxic and pollution-free,
While removing other impurities and pollutant, all there are problems that ignoring plastic particles and plasticiser secondary pollution.
Plastic particles are often referred to the plastic grain that diameter is less than 2mm, belong to one kind of micro- plastics, be to cause water pollution
A main carriers.
In our most of plastic products used in everyday, personal care product or even food, moulded containing various dose
Expect particle.These plastic particles are not noticeable since volume is too small nearly all less than 2 millimeters；When these contain plastic particles
Product discharges outlet after being used, by sewer, causes cyclicity water pollution.
Since current global sanitary sewage disposal level is limited, not can guarantee these plastic particles can be filtered down completely
Come, plastic particles will be directly resulted in and discharge into river rivers, finally directly arrange to and ocean.Even if urban establishes more
Perfect interception project, these plastic particles can finally reach sewage treatment plant, but its whereabouts will depend on sewage treatment plant
Technique grade or can enter rivers arrange to ocean or will enter sludge in, finally influence soil, generate new environment
Problem.Plastic particles still can not be by filtration treatment.
Plastic particles in care product
One important source of plastic particles is the daily personal-care supplies used of people, such as frosted mildy wash, bath oil,
Toothpaste and cosmetics etc..Plastic particles in personal care product are mainly made of polyethylene (PE) nearly all less than 2 millimeters
, it is secondly polypropylene (PP), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA) and nylon
(Nylon) etc..These contain the personal-care supplies of plastic particles once use, the sewage containing a large amount of plastic particles just via
Sewer enters sewage treatment plant.A large number of studies show that major part sewage treatment plant can not be by the plastic particles in sewage at present
All filterings cause serious environmental problem so that a large amount of plastic particles finally discharge into river and ocean.Influence the drink of people
Water safety.
Household water filter at present, purified water machine use the filtering of pp cotton mostly, ceramic core filtering, the filtering of fine sponge, surpass
Membrane filtration, nano-film filtration or active carbon filter absorbing process, and a part of water purifier has also used RO membrane reverse osmosis technique,
Its function can different efficiency removal plastic particles and plasticiser pollution, but defect is all a lack of specific aim, and plastic pollution is gone
Except rate does not ensure.Most fatal defect is that most household water filters are all plastic materials, is reflected at present from the producer
To consumer to the cognition blind area of plastic pollution, it is inevitable that processed water, which causes secondary plastic pollution,.
Summary of the invention
The purpose of the present invention is to provide a kind of direct drinking fountains for removing plastic pollution, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of direct drinking fountain removing plastic pollution, goes out including the tap water inlets being mounted on casing of water dispenser and direct drinking
Mouthful, low tension switch, pressure maintaining valve, PP cotton filter element, preceding is successively arranged on the pipeline between the tap water inlets and direct drinking outlet
It is living to set active carbon filter core, the first TDS probe, inlet water solenoid valve, booster pump, RO membrane filter, the 2nd TDS probe, check valve, postposition
Property filtration core and high-voltage switch gear.
As a preferred solution of the present invention: being also connected with concentration water out on the RO membrane filter.
As a preferred solution of the present invention: flushing electricity is installed on the pipeline between the RO membrane filter and concentration water out
Magnet valve.
As a preferred solution of the present invention: the both ends of the scouring electromagnetic valve are also connected in parallel to proportioner.
As a preferred solution of the present invention: the RO membrane filter uses Tao Shi film.
As a preferred solution of the present invention: the preposition activated filtration core is extruded activated carbon.
As a preferred solution of the present invention: the post active carbon filter core uses cocoanut active charcoal.
It compared with prior art, will the beneficial effects of the present invention are: the present invention is handled from multi-level fine up to RO film process
Trace level within plastic particles and plasticizer treats to hundred a ten thousandths, simultaneously because of the macromoleculars insulating properties such as plastic particles organic matter
It cannot be detected by TDS value, we handle TDS value to 1-5ppm, indicate and remove other pollutants in Ultra-High Efficiency
Meanwhile also sufficiently eliminating plasticiser and plastic particles.It is especially and completely stainless using no moulding material 304 after RO film
Steel, until water outlet, thoroughly avoids the secondary pollution of pure direct drinking water, ensured human body not by plastic particles and plasticiser
Infringement.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of direct drinking fountain for removing plastic pollution.
In figure: 1- tap water inlets, 2- low tension switch, 3- pressure maintaining valve, 4-PP cotton filter core, the preposition activated filtration core of 5-, 6-
First TDS probe, 7- booster pump, 8- inlet water solenoid valve, 9-RO membrane filter, the 2nd TDS probe of 10-, 11- check valve, 12- postposition
Water out is concentrated in active carbon filter core, 13- high-voltage switch gear, the outlet of 14- direct drinking, 15- scouring electromagnetic valve, 16- proportioner, 17-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, embodiment 1: in the embodiment of the present invention, a kind of direct drinking fountain removing plastic pollution, including originally
Water inlet 1 and direct drinking export 14, are successively arranged low pressure on the pipeline between the tap water inlets 1 and direct drinking outlet 14 and open
Close 2, pressure maintaining valve 3, PP cotton filter element 4, preposition activated filtration core 5, the first TDS probe 6, inlet water solenoid valve 7, booster pump 8, RO membrane filtration
Core 9, the 2nd TDS probe 10, check valve 11, post active carbon filter core 12 and high-voltage switch gear 13.Wherein, pp cotton filter core 4: removal is certainly
Various visible/dusts and impurity in water.These particulate matters get rusty from pipeline aging, roof tank secondary pollution,
It also include the plastic particles etc. of larger particles.The key of its removal rate of the material precision of pp cotton, selection has in this patent
It is layered accurate specialty fibers material, makes it have high intercept and anti-blocking performance；Preposition activated filtration core 5 is using compression activity
Charcoal goes dechlorination and organic impurities, such as harmful insecticide by absorption principle.It can also absorb what organic compound in water generated
Peculiar smell, color and smell, these substances derive from disinfection of tap water byproduct.Selection has high-specific surface area living in this patent
Property extruded activated carbon, there are also very strong adsorption capacity other than finer filtration, to lesser plastics and big point
Sub- plasticiser has apparent removal to act on, and RO membrane filter 9 includes plastic particles and plasticiser in water removal for going.Postposition activity
Filtration core 12 uses cocoanut active charcoal, and major function is to adjust mouthfeel, is allowed to the more soft sweetness of mouthfeel of drinking water, while also having auxiliary
Help pure function and humanized feature.This patent selects highest food-grade coconut husk charcoal, and effect is more excellent lasting.RO film
Concentration water out 17 is also connected on filter core 9.Flushing electromagnetism is installed on pipeline between RO membrane filter 9 and concentration water out 17
Valve 15.
Embodiment 2: on the basis of embodiment 1, the RO membrane filter 9 of the design uses Tao Shi film, Tao Shi water process and mistake
Journey solution is reverse osmosis technology leader, and the macromoleculars phenyl ring pollutant removal rate such as plastic particles and plasticiser reaches
99.99%(producer official website provides).So that the health degree of effluent quality obtains higher guarantee.9 need of work of RO membrane filter provides
Certain pressure, therefore the design increases booster pump 7 as shown in Figure 1, it is ensured that diaphragm gives full play to effect.Waste water and backwash
Water is separately separated discharge, it can also be used to which wash vegetables, which wash the dishes, waits kitchens.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of direct drinking fountain for removing plastic pollution, including the tap water inlets (1) and straight drink being mounted on casing of water dispenser
Water out (14), which is characterized in that be successively arranged on the pipeline between the tap water inlets (1) and direct drinking outlet (14) low
It compresses switch (2), pressure maintaining valve (3), PP cotton filter element (4), preposition activated filtration core (5), the first TDS probe (6), inlet water solenoid valve
(7), booster pump (8), RO membrane filter (9), the 2nd TDS probe (10), check valve (11), post active carbon filter core (12) and high pressure
It switchs (13).
2. a kind of direct drinking fountain for removing plastic pollution according to claim 1, which is characterized in that the RO membrane filter
(9) concentration water out (17) is also connected on.
3. a kind of direct drinking fountain for removing plastic pollution according to claim 2, which is characterized in that the RO membrane filter
(9) scouring electromagnetic valve (15) are installed on the pipeline between concentration water out (17).
4. a kind of direct drinking fountain for removing plastic pollution according to claim 1, which is characterized in that the scouring electromagnetic valve
(15) both ends are also connected in parallel to proportioner (16).
5. a kind of direct drinking fountain for removing plastic pollution according to claim 1, which is characterized in that the RO membrane filter
(9) Tao Shi film is used.
6. a kind of direct drinking fountain for removing plastic pollution according to claim 1, which is characterized in that the preposition activated charcoal
Filter core (5) is extruded activated carbon.
7. the direct drinking fountain of -6 any a kind of removal plastic pollutions according to claim 1, which is characterized in that the postposition
Active carbon filter core (12) uses cocoanut active charcoal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811182199.9A CN109052703A (en) | 2018-10-11 | 2018-10-11 | A kind of direct drinking fountain removing plastic pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811182199.9A CN109052703A (en) | 2018-10-11 | 2018-10-11 | A kind of direct drinking fountain removing plastic pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109052703A true CN109052703A (en) | 2018-12-21 |
Family
ID=64763841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811182199.9A Withdrawn CN109052703A (en) | 2018-10-11 | 2018-10-11 | A kind of direct drinking fountain removing plastic pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109052703A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201334404Y (en) * | 2008-09-03 | 2009-10-28 | 劳缵球 | Direct drinking water fountain |
| CN202829736U (en) * | 2012-07-26 | 2013-03-27 | 连云港多力水处理设备有限公司 | Direct drinking water purifier |
| CN204342560U (en) * | 2014-12-25 | 2015-05-20 | 北京永伴环保科技有限公司 | Direct drinking fountain filtering system |
| CN206494785U (en) * | 2017-02-18 | 2017-09-15 | 杨年恩 | A kind of full-automatic drinking water system |
| CN206512008U (en) * | 2016-12-16 | 2017-09-22 | 杭州金鱼电器集团有限公司 | A kind of anti-back-pressure structure of RO film water purifiers |
-
2018
- 2018-10-11 CN CN201811182199.9A patent/CN109052703A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201334404Y (en) * | 2008-09-03 | 2009-10-28 | 劳缵球 | Direct drinking water fountain |
| CN202829736U (en) * | 2012-07-26 | 2013-03-27 | 连云港多力水处理设备有限公司 | Direct drinking water purifier |
| CN204342560U (en) * | 2014-12-25 | 2015-05-20 | 北京永伴环保科技有限公司 | Direct drinking fountain filtering system |
| CN206512008U (en) * | 2016-12-16 | 2017-09-22 | 杭州金鱼电器集团有限公司 | A kind of anti-back-pressure structure of RO film water purifiers |
| CN206494785U (en) * | 2017-02-18 | 2017-09-15 | 杨年恩 | A kind of full-automatic drinking water system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |