CN205045917U - Water purifier with pure water reflux device - Google Patents
Water purifier with pure water reflux device Download PDFInfo
- Publication number
- CN205045917U CN205045917U CN201520708167.3U CN201520708167U CN205045917U CN 205045917 U CN205045917 U CN 205045917U CN 201520708167 U CN201520708167 U CN 201520708167U CN 205045917 U CN205045917 U CN 205045917U
- Authority
- CN
- China
- Prior art keywords
- water
- pure water
- reverse osmosis
- osmosis membrane
- rearmounted
- 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
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 172
- 238000010992 reflux Methods 0.000 title claims abstract description 31
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 53
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 239000012528 membrane Substances 0.000 claims abstract description 19
- 238000005374 membrane filtration Methods 0.000 claims description 33
- 239000002351 wastewater Substances 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 238000000746 purification Methods 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 238000000108 ultra-filtration Methods 0.000 claims description 3
- 239000008399 tap water Substances 0.000 abstract description 2
- 235000020679 tap water Nutrition 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The utility model provides a water purifier with a pure water reflux device, which comprises a pretreatment unit, the front end of which is connected with a tap water port; the front end of the reverse osmosis membrane filtering device is connected with the rear end of the pretreatment unit, and the rear end of the reverse osmosis membrane filtering device is divided into a pure water end outlet and a concentrated water end outlet; the front end of the rear filtering device is connected with a pure water outlet of the reverse osmosis membrane filtering device, and the rear end of the rear filtering device is connected with a pure water outlet device; and the pure water reflux device is respectively connected with the rear end of the rear filtering device and the front end of the reverse osmosis membrane filtering device. Use the technical scheme of the utility model, set up the pure water reflux unit and can make initial stage produce water and flow back and get into reverse osmosis membrane and carry out the processing once more behind the rearmounted filter equipment of flowing through for initial product water can reach sanitary standard, and the user can be relieved and drink.
Description
Technical field
The utility model relates to water purifying plant field, in particular to a kind of water-purifying machine with pure water reflux.
Background technology
Reverse osmosis water purifier generally has reverse osmosis membrane front filter, water pump and reverse osmosis membrane filt.Former water can be divided into water purification and dense water after reverse osmosis membrane filt.Reverse osmosis water purifier is generally with pressure pot and rearmounted filter core.
The water purification that reverse osmosis water purifier produces reaches the water quality standard that the Ministry of Health specifies, capable of direct drinking.But, when used water-purifying machine re-uses after stopping producing the water long period, rearmounted filtration unit (rearmounted composite filter element/rearmounted carbon rod/post active carbon) can make the TDS value of water side (in water dissolved matter total concn) higher due to static penetration theory, causes effluent quality not meet hygienic safety standard.If pressure pot or rearmounted filter core to shelve the time comparatively of a specified duration, also can breed bacteria, cause that peculiar smell appears in the water outlet of starting stage, microbiological indicator exceeds standard, and does not reach water sanitary standard, user also should not drink.In addition, according to static penetration theory, also can there is the infiltration of soluble solids in reverse osmosis membrane, make pure water bring out water TDS value higher, the pure water of initial output is of low quality when water-purifying machine stops water processed.
So initial product quality problem not up to standard easily threatens that user's is healthy, and if drink again after requiring water flowing for some time, if things go on like this then can cause a large amount of wastes of water.
Utility model content
The utility model aims to provide a kind of water-purifying machine with pure water reflux, with solve water-purifying machine of the prior art stop producing produce water again after water for some time time, initially produce water water quality problem not up to standard.
To achieve these goals, the utility model provides a kind of water-purifying machine with pure water reflux, comprises, the pretreatment unit that front end is connected with the mouth of a river from the beginning; Reverse osmosis membrane filtration device, front end is connected with the rear end of pretreatment unit, and rear end is divided into pure water to bring out mouth and the outlet of dense water end (W.E.); Rearmounted filtration unit, front end brings out mouth with the pure water of reverse osmosis membrane filtration device and is connected, and rear end connects water purification water outlet equipment; Pure water reflux, connects the rear end of rearmounted filtration unit and the front end of reverse osmosis membrane filtration device respectively.
Further, pure water reflux comprises, the pipeline being communicated with the rear end of rearmounted filtration unit and the front end of reverse osmosis membrane filtration device and the return flow solenoid valve be arranged in pipeline.
Further, pretreatment unit comprises the PP connected successively cotton filter core, low-tension switch, granulated carbon filter core and Carbon rod filter element.
Further, pretreatment unit water outlet be connected with entering water electromagnetic valve and stabilized pressure pump, the water outlet of stabilized pressure pump connects the front end of reverse osmosis membrane filtration device.
Further, the pure water of reverse osmosis membrane filtration device is brought out mouth and is connected by the front end of reverse checkvalve with rearmounted filtration unit.
Further, the pure water of reverse osmosis membrane filtration device is brought out mouth and is connected with the water-in of high-voltage switch gear leading to pressure pot by reverse checkvalve.
Further, the dense water end (W.E.) outlet of reverse osmosis membrane filtration device is connected with the dense water out of water purifier by waste water ratio electromagnetic valve.
Further, the dense water end (W.E.) outlet of reverse osmosis membrane filtration device is connected with the water outlet of stabilized pressure pump and the water outlet of return flow solenoid valve after connecting dense water reverse checkvalve, waste water ratio electromagnetic valve successively.
Further, the water outlet of rearmounted filtration unit passes through water solenoid valve and is connected with the water-in of water purification water outlet equipment.
Further, rearmounted filtration unit comprises the rearmounted composite filter element or rearmounted carbon rod or gac that comprise carbon rod and ultra-filtration membrane.
Application the technical solution of the utility model, arrange pure water reflux and the starting stage can be made to produce water reflux after flowing through rearmounted filtration unit and enter reverse osmosis membrane and process again, making initially to produce water can reach hygienic standard, and user can relievedly drink.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows a kind of structural representation with the water-purifying machine of pure water reflux of the present utility model.
Description of reference numerals: 1, tee ball valve; 2, the cotton filter core of PP; 3, low-tension switch; 4, granulated carbon filter core; 5, Carbon rod filter element; 6, entering water electromagnetic valve; 7, stabilized pressure pump; 8, reverse osmosis membrane filtration device; 9, reverse checkvalve; 10, waste water ratio electromagnetic valve; 11, high-voltage switch gear; 12, pressure pot; 13, rearmounted filtration unit; 14, water purification water outlet equipment; 15, return flow solenoid valve; 16, water solenoid valve is gone out; 17, waste water ratio electromagnetic valve; 18, dense water reverse checkvalve.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
This programme embodiment is see shown in accompanying drawing 1, pass through tee ball valve 1, PP cotton filter core 2, low-tension switch 3, granulated carbon filter core 4, Carbon rod filter element 5, entering water electromagnetic valve 6, stabilized pressure pump 7, reverse osmosis membrane filtration device 8 (RO membrane filter appts), reverse checkvalve 9, waste water ratio electromagnetic valve 10, high-voltage switch gear 11, pressure pot 12, rearmounted filtration unit 13 before and after tap water successively, go out water solenoid valve, water purification water outlet equipment 14.
Pretreatment unit comprises the PP connected successively cotton filter core 2, low-tension switch 3, granulated carbon filter core 4, Carbon rod filter element 5.Low-tension switch 3 is had below at the cotton filter core 2 of PP.The effect of low-tension switch 3 automatically detects low hydraulic pressure, avoids pump free-runing operation during low hydraulic pressure.The water outlet of pretreatment unit is connected with entering water electromagnetic valve 6 and stabilized pressure pump 7.Entering water electromagnetic valve 6 is in normally off when not water processed, opens during water processed; Stabilized pressure pump 7 can be the steady pressure that reverse osmosis membrane provides required.
The pure water that reverse-osmosis treated unit comprises reverse osmosis membrane filtration device 8, reverse osmosis membrane filtration device 8 rear portion separates brings out mouth and the outlet of dense water end (W.E.), the reverse checkvalve 9 being arranged on pure water end, the waste water ratio electromagnetic valve 10 being arranged on dense water end (W.E.), waste water ratio electromagnetic valve 17, dense water reverse checkvalve 18.The water-in of reverse osmosis membrane filtration device 8 is connected with the water outlet of stabilized pressure pump 7.The pure water of reverse osmosis membrane filtration device 8 is brought out mouth and is connected with rearmounted filtration unit 13 water-in by reverse checkvalve 9, and reverse osmosis membrane filtration device 8 pure water is brought out mouth and is connected by the water-in of reverse checkvalve 9 with high-voltage switch gear 11 (towards pressure pot 12) simultaneously.The outlet of reverse osmosis membrane filtration device 8 dense water end (W.E.) is connected with the dense water out of water purifier by waste water ratio electromagnetic valve 10, the outlet of reverse osmosis membrane filtration device 8 dense water end (W.E.) is connected with the water outlet of stabilized pressure pump 7 and the water outlet of return flow solenoid valve 15 by dense water reverse checkvalve 18, waste water ratio electromagnetic valve 17 simultaneously successively, and dense water can forming section be refluxed.Reverse checkvalve 9, dense water reverse checkvalve 18 can prevent producing water/dense water and flow backwards, and affect water purification mechanism water; Waste water ratio electromagnetic valve 10 and waste water ratio electromagnetic valve 17 are mainly used in effluent, concentrate recirculation and the control water-purifying machine rate of recovery.
Post-processing unit is rearmounted filtration unit 13 (rearmounted composite filter element or rearmounted carbon rod or gac) mainly, if rearmounted filtration unit 13 is rearmounted composite filter element, then rearmounted composite filter element material mainly comprises carbon rod and ultrafiltration membrance filter.The water outlet of rearmounted filtration unit 13 passes through water solenoid valve 16 and is connected with the water-in of water purification water outlet equipment 14; Postpositive disposal unit can process in the product water of reverse osmosis membrane filtration device 8 and pressure pot 12 the product water after storing for some time further.
The utility model distinctive pure water reflux: the water outlet of rearmounted filtration unit 13 is connected with the water-in of reverse osmosis membrane filtration device 8 by return flow solenoid valve 15; The water outlet of described rearmounted filtration unit 13 is connected with the water outlet of stabilized pressure pump 7 and the water outlet of waste water ratio electromagnetic valve 17 by return flow solenoid valve 15 simultaneously.
The utility model water-purifying machine is energized, and waste water ratio electromagnetic valve 10 is opened, and after rinsing 30s, waste water ratio electromagnetic valve 10 is closed, and starts water processed.During energising water processed, when high-voltage switch gear detects high pressure, high-voltage switch gear take-off, waste water ratio electromagnetic valve 10 and waste water ratio electromagnetic valve 17 are closed, and institute's output pure water enters pressure pot.When after the full one barrel of water of pressure pot system, high-voltage switch gear can't detect high-voltage signal, and high-voltage switch gear is closed, and return flow solenoid valve 15 is opened, go out water solenoid valve 16 closes.Pure water in pressure pot is by rearmounted filtration unit 13, return flow solenoid valve 15, enter reverse osmosis membrane filtration device, pure water of low quality in rearmounted filtration unit and reverse osmosis membrane filtration device and pressure pot is filtered further through reverse osmosis membrane again, after for some time (such as 5 minutes), return flow solenoid valve 15 is closed, go out water solenoid valve 16 to open, user can the product water of relieved use water purification water outlet equipment 14.After completing water processed, go out water solenoid valve 16 and close, return flow solenoid valve 15 is opened, and pure water enters in reverse osmosis membrane filtration device 8 by rearmounted filtration unit 13, return flow solenoid valve 15, rinses, soaks reverse osmosis membrane.This pure water reflux prevents reverse osmosis membrane surface scale, not only extends its life-span, and ensure that product water-based energy and the rate of recovery, decreases discharge of wastewater.
Effect of the present utility model:
(1) in the utility model, pure water reflux can make the starting stage produce water to reply and enter reverse osmosis membrane and process again, and making initially to produce water can reach hygienic standard, and user can relievedly drink.
(2) pure water reflux completes post-flush reverse osmosis membrane filtration device at water processed, prevents reverse osmosis membrane surface scale, not only extends its life-span, and ensure that product water-based energy and the rate of recovery, decreases discharge of wastewater.
(3) pure water reflux effectively make use of starting stage underproof product water.Be provided with dense water section reflux simultaneously, also can effectively utilize dense water, decrease the waste of water resources.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. there is a water-purifying machine for pure water reflux, comprise,
The pretreatment unit that front end is connected with the mouth of a river from the beginning;
Reverse osmosis membrane filtration device (8), front end is connected with the rear end of described pretreatment unit, and rear end is divided into pure water to bring out mouth and the outlet of dense water end (W.E.);
Rearmounted filtration unit (13), front end brings out mouth with the pure water of described reverse osmosis membrane filtration device (8) and is connected, and rear end connects water purification water outlet equipment (14);
It is characterized in that, also comprise,
Pure water reflux, connects the rear end of rearmounted filtration unit (13) and the front end of reverse osmosis membrane filtration device (8) respectively.
2. the water-purifying machine with pure water reflux according to claim 1, it is characterized in that, described pure water reflux comprises, the pipeline being communicated with the rear end of rearmounted filtration unit (13) and the front end of reverse osmosis membrane filtration device (8) and the return flow solenoid valve (15) be arranged in described pipeline.
3. the water-purifying machine with pure water reflux according to claim 1, it is characterized in that, described pretreatment unit comprises the cotton filter core (2) of the PP connected successively, low-tension switch (3), granulated carbon filter core (4) and Carbon rod filter element (5).
4. the water-purifying machine with pure water reflux according to claim 2, it is characterized in that, the water outlet of described pretreatment unit is connected with entering water electromagnetic valve (6) and stabilized pressure pump (7), and the water outlet of stabilized pressure pump (7) connects the front end of described reverse osmosis membrane filtration device (8).
5. the water-purifying machine with pure water reflux according to claim 1 or 4, it is characterized in that, the pure water of described reverse osmosis membrane filtration device (8) is brought out mouth and is connected by the front end of reverse checkvalve (9) with described rearmounted filtration unit (13).
6. the water-purifying machine with pure water reflux according to claim 5, it is characterized in that, the pure water of described reverse osmosis membrane filtration device (8) is brought out mouth and is connected by the water-in of described reverse checkvalve (9) with the high-voltage switch gear (11) leading to pressure pot (12).
7. the water-purifying machine with pure water reflux according to claim 4, is characterized in that, the dense water end (W.E.) outlet of described reverse osmosis membrane filtration device (8) is connected with the dense water out of water purifier by waste water ratio electromagnetic valve (10).
8. the water-purifying machine with pure water reflux according to claim 7, it is characterized in that, the dense water end (W.E.) of described reverse osmosis membrane filtration device (8) is connected with the water outlet of described stabilized pressure pump (7) and the water outlet of described return flow solenoid valve (15) after exporting and connecting dense water reverse checkvalve (18), waste water ratio electromagnetic valve (17) successively.
9. the water-purifying machine with pure water reflux according to claim 1, it is characterized in that, the water outlet of described rearmounted filtration unit (13) passes through water solenoid valve (16) and is connected with the water-in of described water purification water outlet equipment (14).
10. the water-purifying machine with pure water reflux according to claim 1, is characterized in that, rearmounted filtration unit (13) comprises the rearmounted composite filter element or rearmounted carbon rod or gac that comprise carbon rod and ultra-filtration membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520708167.3U CN205045917U (en) | 2015-09-14 | 2015-09-14 | Water purifier with pure water reflux device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520708167.3U CN205045917U (en) | 2015-09-14 | 2015-09-14 | Water purifier with pure water reflux device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205045917U true CN205045917U (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520708167.3U Expired - Fee Related CN205045917U (en) | 2015-09-14 | 2015-09-14 | Water purifier with pure water reflux device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205045917U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105152378A (en) * | 2015-09-14 | 2015-12-16 | 珠海格力电器股份有限公司 | Water purifier with pure water reflux device |
| CN109336305A (en) * | 2018-11-30 | 2019-02-15 | 佛山市云米电器科技有限公司 | A kind of delay shutdown type household water purifier and domestic water purifying machine |
| WO2022198689A1 (en) * | 2021-03-22 | 2022-09-29 | 东莞市优尼雅电子科技有限公司 | Table top water purifier |
-
2015
- 2015-09-14 CN CN201520708167.3U patent/CN205045917U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105152378A (en) * | 2015-09-14 | 2015-12-16 | 珠海格力电器股份有限公司 | Water purifier with pure water reflux device |
| CN109336305A (en) * | 2018-11-30 | 2019-02-15 | 佛山市云米电器科技有限公司 | A kind of delay shutdown type household water purifier and domestic water purifying machine |
| CN109336305B (en) * | 2018-11-30 | 2023-10-27 | 佛山市云米电器科技有限公司 | Time-delay stop type household water purifying device and household water purifier |
| WO2022198689A1 (en) * | 2021-03-22 | 2022-09-29 | 东莞市优尼雅电子科技有限公司 | Table top water purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20210914 |