CN201990567U - Direct drinking water treatment system on campus - Google Patents
Direct drinking water treatment system on campus Download PDFInfo
- Publication number
- CN201990567U CN201990567U CN2011200789739U CN201120078973U CN201990567U CN 201990567 U CN201990567 U CN 201990567U CN 2011200789739 U CN2011200789739 U CN 2011200789739U CN 201120078973 U CN201120078973 U CN 201120078973U CN 201990567 U CN201990567 U CN 201990567U
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- China
- Prior art keywords
- water
- drinking water
- campus
- terminal
- drinking
- 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.)
- Expired - Fee Related
Links
- 239000003651 drinking water Substances 0.000 title claims abstract description 29
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000746 purification Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000006004 Quartz sand Substances 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004902 Softening Agent Substances 0.000 claims description 13
- 238000009287 sand filtration Methods 0.000 claims description 9
- 230000004913 activation Effects 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001223 reverse osmosis Methods 0.000 abstract 3
- 239000012528 membrane Substances 0.000 abstract 2
- 239000008213 purified water Substances 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 description 9
- 239000008399 tap water Substances 0.000 description 8
- 235000020679 tap water Nutrition 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 230000035622 drinking Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 235000012206 bottled water Nutrition 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 235000013305 food Nutrition 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229960001701 chloroform Drugs 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002384 drinking water standard Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- Water Treatment By Sorption (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model discloses a direct drinking water treatment system on campus, which comprises a raw water tank and a circular activated sterilization system. A booster pump, a filtration system, a water purification main unit, a sterilization system and a pure water tank are sequentially connected behind the raw water tank; the filtration system is composed of a quartz sand filter, an activated carbon filter and a positive ion softener; the water purification main unit comprises an ultrafilter and an RO (reverse osmosis) membrane device; a purified water outlet of the RO membrane device is connected with a water inlet of the sterilization system; effluent water from the sterilization system is delivered to a terminal by the pure water tank; and terminal backwater enters the sterilization system and flows back to the pure water tank by the aid of a backwater pressure pump so that the circular activated sterilization system is formed. The direct drinking water treatment system on campus is fine in filtration effect and capable of effectively avoiding secondary pollution because of circular backflow of the direct drinking water at regular time and repeated sterilization, and the terminal can acquire fresh and clean direct drinking water.
Description
Technical field
The present invention relates to the treatment system of water, be specifically related to a kind of campus direct-drinking water treatment system.
Background technology
Water is the human foods nutrition foundation, is basis, Source of life of all things on earth, and human body 70%--80% is a water.Having drunk water is the most basic assurance of HUMAN HEALTH, and the quality of drinking-water quality also directly affects teen-age growing up healthy and sound.At present, student's tap water mainly contains tap water, bottled pure water, mineral water, bottled water or drinks from family's band water.In a lot of underdeveloped areas of economic condition, the general directly drinking public water supply of student, because tap water water source, pipeline secondary pollution, peculiar smell do not pass through advanced treatment, iron is embroidered and is exceeded standard in the water, and the poor more place of water quality, water containing chlorine chlorinated lime input is many more, and organism and unnecessary chloropexia form trichloromethane in the water, be carcinogenic substance, student's health of drinking water is affected; The student spends money on small bottle packing pure water, mineral water or beverage, mineral water in the market all is that adopting process adds form and the element and the mineral substance that obtain to be correlated with, thisly in pure water, add several mineral trace elements, be to be difficult to guarantee the normal ratio of nature, the trace element that may also can lack some needs, therefore, long-term drinking healthy unhelpful to human body; When water dispenser discharges water at every turn, all can be by the ventilative air that sucks, airborne bacterium makes bottled water cause secondary pollution with breeding hyperplasia in the air admission bottled water; Drink from family's band water, not only increase school bag weight, and do not drink hot water in winter.Development along with water treatment field, occurred by tap water being carried out obtain direct-drinking water capable of direct drinking after the advanced treatment, this direct-drinking water generally is that tap water is filtered, directly water flowed to terminal by pipe network after the sterilization, though it has solved the secondary pollution problem of water to a certain extent, drink comparatively health, still, this water is the same with above-mentioned various tap water, do not drink for a long time and will become nonmetabolizable stagnant water, cause quality to descend.
The utility model content
At the prior art above shortcomings, the purpose of this utility model provides a kind of campus direct-drinking water treatment system of good filtration effect, and the terminal terminal can obtain fresh, clean direct-drinking water at any time.
The technical solution of the utility model is: campus direct-drinking water treatment system, comprise raw water box, and be connected with topping-up pump, filtering system, water purification main frame, disinfection system and pure water case behind the raw water box in turn, described direct-drinking water treatment system also comprises the cyclic activation disinfection system;
Described filtering system is made up of quartz sand filtration device, activated charcoal filter, positively charged ion softening agent, described quartz sand filtration device water-in is connected with the topping-up pump water outlet, quartz sand filtration device water outlet connects the activated charcoal filter water-in, and the activated charcoal filter water outlet connects positively charged ion softening agent water-in;
Described water purification main frame comprises accurate filter and RO film device, and this accurate filter water-in is connected with positively charged ion softening agent water outlet, and the water outlet of accurate filter is connected with RO film device water-in by high-pressure pump;
Described RO film device pure water inlet connects the disinfection system water-in, and the disinfection system water outlet is exported to terminal through the pure water case, and the terminal backwater enters disinfection system and refluxes by the pressure of return water pump and enters the pure water case, forms described cyclic activation disinfection system.
Described positively charged ion softening agent is provided with the salt case.
Described water purification host configuration has the online detection alarm device of water quality.
Described disinfection system is made up of ozonizer and ultraviolet sterilizer.
The pipe network of described direct-drinking water treatment system adopts PPR tubing.
Compared to existing technology, the present invention has following advantage:
1, adopt filtering system that tap water is carried out early stage and filter, can remove most impurity in the water, the long-term operation effectively of protection water purification Host Security again to carrying out sterilization and disinfection through filtering water purification, makes terminal water quality reach the purified drinking water standard of country.
2 the utility model drinking water systems comprise the cyclic activation disinfection system, and direct-drinking water is pump around circuit regularly, repeat sterilization, can effectively stop secondary pollution, and it is fresh, clean that terminal water quality is guaranteed.
3, adopt ozone, ultraviolet ray combination sterilization, sterilization effect is effective, efficiently, pollution-free fast.
4, the online detection alarm device of water purification host configuration water quality, when overproof water quality, it is also out of service to report to the police automatically.
5, the interface of PPR pipe adopts hot-melt technology, merge together fully between the pipe, so in case install suppress by, will not leak reliability high and nontoxic, health again.
Description of drawings
Fig. 1 is the utility model system chart.
Wherein, 1 is filtering system, and 2 is the water purification main frame, and 3 is disinfection system, and 4 is the cyclic activation disinfection system.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described further:
Referring to Fig. 1, direct-drinking water treatment system campus, the utility model campus direct-drinking water treatment system, comprise raw water box, raw water box is used for tap water is cushioned, be connected with topping-up pump behind the raw water box, be used to guarantee that filtering system 1 intake pressure reaches (keeping) stable operating pressure, filtering system 1 is by the quartz sand filtration device, activated charcoal filter, the positively charged ion softening agent is formed, quartz sand filtration device water-in is connected with the topping-up pump water outlet, be used for removing the water large granular impurity, silt and iron, guarantee the safety of subsequent disposal system, quartz sand filtration device water outlet connects the activated charcoal filter water-in, gac adopts food or granulated active carbon, be used to remove the water peculiar smell, the activated charcoal filter water outlet connects positively charged ion softening agent water-in, in the positively charged ion softening agent resin cation (R.C.) is housed, this resin cation (R.C.) can be with dissolved calcium ion in the water, cationic exchange such as magnesium ion are come out, thereby reduction water hardness, softening water has been avoided the generation of incrustation scale, and it is difficult in the face fouling, be used to protect the RO film, positively charged ion softening agent next door is provided with the salt case, is used for regularly resin cation (R.C.) being carried out cleaning and regeneration, recovers the function of exchange of resin cation (R.C.); Positively charged ion softening agent water outlet connects the accurate filter water-in of water purification main frame 2, and five core formulas, 1 m tubular fibre is housed in this accurate filter, is used for the filtered water fine impurities, and the effectively pollution of controlling diaphragm makes film be difficult for stopping up, and further purifies water simultaneously; The accurate filter water outlet is connected with RO film device water-in by high-pressure pump, and the RO film adopts the import Heidrun film of aperture less than 1 m, and former water is filtered comprehensively, and dissolved impurity can not be discharged through the RO film and from dense water end (W.E.) in the water; Dispose the online detection alarm device of water quality (not drawing among the figure) on the water purification main frame 2, automatically water quality is detected, during overproof water quality, it is also out of service to report to the police automatically.RO film device pure water inlet connects the disinfection system water-in, and disinfection system is made up of ozonizer and ultraviolet sterilizer, further sterilization, and the disinfection system water outlet is exported to terminal through the pure water case.
The pipe network of the utility model direct-drinking water treatment system adopts PPR tubing, and the interface of PPR pipe adopts hot-melt technology, merges together fully between the pipe, passes through in case install to suppress to test, and will not leak, and reliable and secure degree is high; Pipe network adopts totally-enclosed circulating backwater mode, for guaranteeing terminal terminal effluent quality, be parallel to water inlet pipe return branch is set, before the backwater point is arranged on outlet valve, the terminal backwater enters disinfection system and refluxes by the pressure of return water pump and enters the pure water case, form described cyclic activation disinfection system, can effectively avoid the water in the pipe network not form stagnant water owing to not drinking for a long time in the terminal terminal, flow to terminal again after the germicidal treatment that regularly water refluxed, make the terminal terminal can fresh, clean at any time direct-drinking water.
Claims (5)
1. direct-drinking water treatment system in campus comprises raw water box, is connected with topping-up pump, filtering system, water purification main frame, disinfection system and pure water case behind the raw water box in turn, it is characterized in that: described direct-drinking water treatment system also comprises the cyclic activation disinfection system;
Described filtering system is made up of quartz sand filtration device, activated charcoal filter, positively charged ion softening agent, described quartz sand filtration device water-in is connected with the topping-up pump water outlet, quartz sand filtration device water outlet connects the activated charcoal filter water-in, and the activated charcoal filter water outlet connects positively charged ion softening agent water-in;
Described water purification main frame comprises accurate filter and RO film device, and this accurate filter water-in is connected with positively charged ion softening agent water outlet, and the water outlet of accurate filter is connected with RO film device water-in by high-pressure pump;
Described RO film device pure water inlet connects the disinfection system water-in, and the disinfection system water outlet is exported to terminal through the pure water case, and the terminal backwater enters disinfection system and refluxes by the pressure of return water pump and enters the pure water case, forms described cyclic activation disinfection system.
2. campus according to claim 1 drinking water system is characterized in that: described positively charged ion softening agent is provided with the salt case.
3. campus according to claim 1 drinking water system is characterized in that: described water purification host configuration has the online detection alarm device of water quality.
4. campus according to claim 1 drinking water system is characterized in that: described disinfection system is made up of ozonizer and ultraviolet sterilizer.
5. campus according to claim 1 drinking water system is characterized in that: the pipe network of described direct-drinking water treatment system adopts PPR tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200789739U CN201990567U (en) | 2011-03-23 | 2011-03-23 | Direct drinking water treatment system on campus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200789739U CN201990567U (en) | 2011-03-23 | 2011-03-23 | Direct drinking water treatment system on campus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201990567U true CN201990567U (en) | 2011-09-28 |
Family
ID=44667062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200789739U Expired - Fee Related CN201990567U (en) | 2011-03-23 | 2011-03-23 | Direct drinking water treatment system on campus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201990567U (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031871A (en) * | 2012-12-28 | 2013-04-10 | 谭学良 | Purification and delivery system and purification and delivery method for delivering drinking natural water by using tank vehicle |
| CN103159344A (en) * | 2011-12-19 | 2013-06-19 | 松下电器产业株式会社 | Water purifier |
| CN103351077A (en) * | 2013-07-30 | 2013-10-16 | 深圳市汇清科技有限公司 | Multifunctional full-effect direct drinking system |
| CN103466866A (en) * | 2013-08-30 | 2013-12-25 | 长沙水杯子直饮水工程设备有限公司 | Modification conveying method of pipeline mineral water |
| CN104891703A (en) * | 2014-09-26 | 2015-09-09 | 江苏弘盛新材料股份有限公司 | Deoxygenated and desalted water preparation system |
| CN105174543A (en) * | 2015-09-21 | 2015-12-23 | 海南仙都峰科技有限公司 | Direct drinking water purifying method and device |
| CN105776619A (en) * | 2016-05-10 | 2016-07-20 | 上海惠源水处理设备有限公司 | Tap water purification monitoring system |
| CN106698721A (en) * | 2016-12-30 | 2017-05-24 | 资阳海天水务有限公司 | Assorted equipment for tap water deep processing |
| CN106746067A (en) * | 2016-11-15 | 2017-05-31 | 卫民新起点科技贸易（北京）有限公司 | A kind of integrated domestic water purifies integrated processing equipment and technique |
| CN107140759A (en) * | 2017-07-20 | 2017-09-08 | 杭州鲁控水务工程有限公司 | A kind of direct drinking wisdom water system |
| CN107381897A (en) * | 2017-08-01 | 2017-11-24 | 深圳市惠利莱流体科技有限公司 | A kind of shared potable water system |
| WO2018019005A1 (en) * | 2016-07-26 | 2018-02-01 | 吴达镕 | Backup water-source filtration system |
| CN107840502A (en) * | 2017-11-23 | 2018-03-27 | 河北太和洁源水务科技发展有限公司 | The special drinking water system in park |
| CN108285234A (en) * | 2018-03-19 | 2018-07-17 | 河南城建学院 | A kind of smart home water purification device |
| CN109052707A (en) * | 2018-10-31 | 2018-12-21 | 贵州鹤庭沃德环境工程有限公司 | A kind of intelligent circulation water purifier |
| CN109997729A (en) * | 2019-03-23 | 2019-07-12 | 北京农效禽业有限公司 | A kind of hatch machine water purification pressure charging system |
| CN113023978A (en) * | 2021-04-15 | 2021-06-25 | 湖南龙新净水科技有限公司 | Pipeline direct drinking water system |
| CN113105043A (en) * | 2021-04-08 | 2021-07-13 | 湖南龙新净水科技有限公司 | Pipeline direct drinking water treatment system |
| CN114314965A (en) * | 2021-12-23 | 2022-04-12 | 上海创新给水设备制造(集团)有限公司 | Integrated dual-water-supply direct drinking water equipment |
| CN116763139A (en) * | 2023-04-12 | 2023-09-19 | 富利诺科技(东莞)有限公司 | Water circulation control method and water dispenser |
| CN117585827A (en) * | 2022-08-08 | 2024-02-23 | 合肥荣事达水工业设备有限责任公司 | A fully closed cycle purification transportation pipe network used for direct drinking water in pipelines |
-
2011
- 2011-03-23 CN CN2011200789739U patent/CN201990567U/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103159344A (en) * | 2011-12-19 | 2013-06-19 | 松下电器产业株式会社 | Water purifier |
| CN103031871A (en) * | 2012-12-28 | 2013-04-10 | 谭学良 | Purification and delivery system and purification and delivery method for delivering drinking natural water by using tank vehicle |
| CN103031871B (en) * | 2012-12-28 | 2015-02-25 | 谭学良 | Purification and delivery system and purification and delivery method for delivering drinking natural water by using tank vehicle |
| CN103351077A (en) * | 2013-07-30 | 2013-10-16 | 深圳市汇清科技有限公司 | Multifunctional full-effect direct drinking system |
| CN103351077B (en) * | 2013-07-30 | 2014-10-15 | 深圳市汇清科技有限公司 | Multifunctional full-effect direct drinking system |
| CN103466866A (en) * | 2013-08-30 | 2013-12-25 | 长沙水杯子直饮水工程设备有限公司 | Modification conveying method of pipeline mineral water |
| CN104891703A (en) * | 2014-09-26 | 2015-09-09 | 江苏弘盛新材料股份有限公司 | Deoxygenated and desalted water preparation system |
| CN105174543A (en) * | 2015-09-21 | 2015-12-23 | 海南仙都峰科技有限公司 | Direct drinking water purifying method and device |
| CN105776619A (en) * | 2016-05-10 | 2016-07-20 | 上海惠源水处理设备有限公司 | Tap water purification monitoring system |
| WO2018019005A1 (en) * | 2016-07-26 | 2018-02-01 | 吴达镕 | Backup water-source filtration system |
| CN106746067A (en) * | 2016-11-15 | 2017-05-31 | 卫民新起点科技贸易（北京）有限公司 | A kind of integrated domestic water purifies integrated processing equipment and technique |
| CN106698721A (en) * | 2016-12-30 | 2017-05-24 | 资阳海天水务有限公司 | Assorted equipment for tap water deep processing |
| CN107140759A (en) * | 2017-07-20 | 2017-09-08 | 杭州鲁控水务工程有限公司 | A kind of direct drinking wisdom water system |
| CN107381897A (en) * | 2017-08-01 | 2017-11-24 | 深圳市惠利莱流体科技有限公司 | A kind of shared potable water system |
| CN107840502A (en) * | 2017-11-23 | 2018-03-27 | 河北太和洁源水务科技发展有限公司 | The special drinking water system in park |
| CN108285234A (en) * | 2018-03-19 | 2018-07-17 | 河南城建学院 | A kind of smart home water purification device |
| CN108285234B (en) * | 2018-03-19 | 2020-10-09 | 河南城建学院 | A smart home water purification device |
| CN109052707A (en) * | 2018-10-31 | 2018-12-21 | 贵州鹤庭沃德环境工程有限公司 | A kind of intelligent circulation water purifier |
| CN109997729A (en) * | 2019-03-23 | 2019-07-12 | 北京农效禽业有限公司 | A kind of hatch machine water purification pressure charging system |
| CN113105043A (en) * | 2021-04-08 | 2021-07-13 | 湖南龙新净水科技有限公司 | Pipeline direct drinking water treatment system |
| CN113023978A (en) * | 2021-04-15 | 2021-06-25 | 湖南龙新净水科技有限公司 | Pipeline direct drinking water system |
| CN114314965A (en) * | 2021-12-23 | 2022-04-12 | 上海创新给水设备制造(集团)有限公司 | Integrated dual-water-supply direct drinking water equipment |
| CN117585827A (en) * | 2022-08-08 | 2024-02-23 | 合肥荣事达水工业设备有限责任公司 | A fully closed cycle purification transportation pipe network used for direct drinking water in pipelines |
| CN116763139A (en) * | 2023-04-12 | 2023-09-19 | 富利诺科技(东莞)有限公司 | Water circulation control method and water dispenser |
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