CN105540746A - water purification system - Google Patents
water purification system Download PDFInfo
- Publication number
- CN105540746A CN105540746A CN201610043943.1A CN201610043943A CN105540746A CN 105540746 A CN105540746 A CN 105540746A CN 201610043943 A CN201610043943 A CN 201610043943A CN 105540746 A CN105540746 A CN 105540746A
- Authority
- CN
- China
- Prior art keywords
- water
- switch
- cleaning systems
- reverse
- water cleaning
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 238000000746 purification Methods 0.000 title abstract description 6
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 49
- 239000002351 wastewater Substances 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims description 42
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 7
- 239000003610 charcoal Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 239000012528 membrane Substances 0.000 abstract description 14
- 230000010287 polarization Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/08—Prevention of membrane fouling or of concentration polarisation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a water purification system, comprising: the device comprises a water inlet, a pure water outlet, a wastewater outlet, a reverse osmosis treatment unit, a water storage barrel, a first switch and a second switch, wherein the water inlet is connected with the water storage barrel through the first switch; the water purification system further comprises a TDS probe installed between the reverse osmosis treatment unit and the second switch and used for starting the first switch and the second switch to flush the reverse osmosis treatment unit by using pure water from the water storage barrel when the water storage barrel is in a full water state and detects that a TDS value in an input pipeline of the wastewater outlet is greater than a preset value. The invention can flush the membrane surface of the reverse osmosis treatment unit by using pure water when the TDS value of the concentrated water is overhigh, thereby avoiding concentration polarization and scaling, improving the quality of produced water and prolonging the service life of the reverse osmosis membrane.
Description
Technical field
The present invention relates to water purifier field, in particular to a kind of water cleaning systems.
Background technology
Reverse osmosis water purifier is generally with reverse osmosis membrane front filter, water pump and reverse osmosis membrane filt, and former water can be divided into water purification and dense water after reverse osmosis membrane filt.The water purification that reverse osmosis water purifier produces reaches the water quality standard of the Ministry of Health, capable of direct drinking, and dense water usually directly emits in use.In prior art, reverse osmosis water purifier system usual water butt water stops water processed completely afterwards, reverse osmosis membrane can be caused like this to be immersed in (dense water) in the higher water of specific conductivity, reverse osmosis membrane surface is easily made to form concentration polarization, and be very easy to fouling, not only water desalination rate is produced in impact, simultaneously can the reverse osmosis membrane life-span.
Summary of the invention
There is provided in the embodiment of the present invention that a kind of structure is simple, cost is low, avoid concentration polarization and fouling, thus put forward high yield water water quality and extend the water cleaning systems in reverse osmosis membrane life-span.
For achieving the above object, the embodiment of the present invention provides a kind of water cleaning systems, comprise: water-in, pure water water outlet, wastewater effluent mouth, reverse-osmosis treated unit, water butt, the first switch and second switch, water-in is connected with water butt by the first switch, water-in is connected with pure water water outlet and water butt respectively by reverse-osmosis treated unit, and reverse-osmosis treated unit is connected with wastewater effluent mouth by second switch; Water cleaning systems also comprises TDS probe, be arranged between reverse-osmosis treated unit and second switch, for be in full water state at water butt and the TDS value detecting in the intake line of wastewater effluent mouth is greater than preset value time open the first switch and second switch rinses reverse-osmosis treated unit in order to the pure water from water butt.
As preferably, water cleaning systems also comprises the first reverse checkvalve, and reverse-osmosis treated unit is connected with pure water water outlet and water butt respectively by after the first reverse checkvalve.
As preferably, water cleaning systems also comprises the 3rd switch, is connected between the first reverse checkvalve and water butt.
As preferably, water cleaning systems also comprises rearmounted filtration unit, is connected between the first reverse checkvalve and pure water water outlet.
As preferably, water cleaning systems also comprises stabilized pressure pump, and water-in is connected with reverse-osmosis treated unit by stabilized pressure pump.
As preferably, water cleaning systems also comprises the second reverse checkvalve, and stabilized pressure pump is connected with the first switch by the second reverse checkvalve.
As preferably, water cleaning systems also comprises pretreatment unit, and water-in is connected with stabilized pressure pump by pretreatment unit.
As preferably, pretreatment unit comprises the PP connected successively cotton filter core, particle charcoal filter core and Carbon rod filter element.
As preferably, water cleaning systems also comprises the 4th switch, and the cotton filter core of PP is connected with particle charcoal filter core by the 4th switch.
As preferably, water cleaning systems also comprises the 5th switch and under meter, and Carbon rod filter element is connected with stabilized pressure pump with under meter by the 5th switch successively.
The present invention directly tests the TDS value of dense water by TDS probe, when the TDS value of dense water is too high, show that face concentration polarization and the fouling risk of reverse-osmosis treated unit strengthen, therefore, open the first switch and second switch to utilize the face of pure water rinsing reverse-osmosis treated unit, avoid concentration polarization and fouling, thus put forward high yield water water quality and extend the reverse osmosis membrane life-span.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Description of reference numerals: 1, water-in; 2, the cotton filter core of PP; 3, the 4th switch; 4, particle charcoal filter core; 5, Carbon rod filter element; 6, the 5th switch; 7, under meter; 8, stabilized pressure pump; 9, reverse-osmosis treated unit; 10, the first reverse checkvalve; 11, second switch; 12, the 3rd switch; 13, water butt; 14, rearmounted filtration unit; 15, pure water water outlet; 16, the second reverse checkvalve; 17, the first switch; 18, TDS probe; 19, wastewater effluent mouth.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
Please refer to Fig. 1, the invention provides a kind of water cleaning systems, comprise: water-in 1, pure water water outlet 15, wastewater effluent mouth 19, reverse-osmosis treated unit 9, water butt 13, first switch 17 and second switch 11, water-in 1 is connected with water butt 13 by the first switch 17, water-in 1 is connected with pure water water outlet 15 and water butt 13 respectively by reverse-osmosis treated unit 9, and reverse-osmosis treated unit 9 is connected with wastewater effluent mouth 19 by second switch 11; Water cleaning systems also comprises TDS probe 18, be arranged between reverse-osmosis treated unit 9 and second switch 11, for be in full water state at water butt 13 and the TDS value detecting in the intake line of wastewater effluent mouth 19 is greater than preset value time open the first switch 17 and second switch 11 rinses reverse-osmosis treated unit 9 in order to the pure water from water butt 13.Second switch 11 can be proportion magnetic valve, is mainly used in effluent and flushing.First switch 17 can be magnetic valve etc., and it is in normally off, and when the value that TDS probe 18 is measured is lower than certain value, instruction first switch 17 is in opened condition.
In normal water process processed, former water enters reverse-osmosis treated unit 9 (such as by water-in 1, it comprises reverse osmosis membrane), produce water and enter water butt 13 or directly discharge from pure water water outlet 15, and dense water is discharged from wastewater effluent mouth 19 through TDS probe 18 and second switch 11.
When after water butt 13 full water processed, when the TDS of the dense water of TDS probe 18 test is greater than certain value, the first switch 17 and second switch 11 can be opened, pure water in water butt 13 flows through reverse-osmosis treated unit 9, discharge from wastewater effluent mouth 19 again, be equivalent to by pure water rinsing reverse-osmosis treated unit 9 like this, prevented concentration polarization and fouling, improve and produce water water quality and extend the reverse osmosis membrane life-span.
The present invention directly tests the TDS value of dense water by TDS probe 18, when the TDS value of dense water is too high, show that face concentration polarization and the fouling risk of reverse-osmosis treated unit 9 strengthen, therefore, open the first switch 17 and second switch 11 to utilize the face of pure water rinsing reverse-osmosis treated unit 9, avoid concentration polarization and fouling, thus high yield water water quality can be put forward and extend the reverse osmosis membrane life-span.
Preferably, water cleaning systems also comprises the first reverse checkvalve 10, and reverse-osmosis treated unit 9 is by being connected with pure water water outlet 15 and water butt 13 respectively after the first reverse checkvalve 10.First reverse checkvalve 10 is for preventing the aqueous reflux in pipeline.
Preferably, water cleaning systems also comprises the 3rd switch 12, is connected between the first reverse checkvalve 10 and water butt 13.
Preferably, water cleaning systems also comprises rearmounted filtration unit 14, is connected between the first reverse checkvalve 10 and pure water water outlet 15.Rearmounted filtration unit 14 comprises carbon rod and ultra-filtration membrane filtrate, storing the product water after for some time, finally reaching and removing the effect such as bacterium, peculiar smell for processing further in the product water of reverse-osmosis treated unit 9 and water butt 13.
Preferably, water cleaning systems also comprises stabilized pressure pump 8, and water-in 1 is connected with reverse-osmosis treated unit 9 by stabilized pressure pump 8.
Preferably, water cleaning systems also comprises the second reverse checkvalve 16, and stabilized pressure pump 8 is connected with the first switch 17 by the second reverse checkvalve 16.
Preferably, water cleaning systems also comprises pretreatment unit, and water-in 1 is connected with stabilized pressure pump 8 by pretreatment unit.Preferably, pretreatment unit comprises the PP connected successively cotton filter core 2, particle charcoal filter core 4 and Carbon rod filter element 5.Preferably, water cleaning systems is also comprised the cotton filter core 2 of the 4th switch 3, PP and is connected with particle charcoal filter core 4 by the 4th switch 3.
Preferably, water cleaning systems also comprises the 5th switch 6 and under meter 7, and Carbon rod filter element 5 is connected with stabilized pressure pump 8 with under meter 7 by the 5th switch 6 successively.In the present invention, the 3rd switch 12 is high-voltage switch gear, for detecting the water pressures on this water route, and control the 5th switch 6 (being such as magnetic valve) for intaking of pretreatment unit, when this branch road hydraulic pressure declines, the 5th switch 6 is opened, stabilized pressure pump 8 operates, system water.When this branch road hydraulic pressure raises, the 5th switch 6 cuts out, and stabilized pressure pump 8 shuts down, and system stops water processed.Wherein, the effect of under meter 7 is record current total amounts, thus reaches the object of each water purification cell life prompting.
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from its general principles, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a water cleaning systems, it is characterized in that, comprise: water-in (1), pure water water outlet (15), wastewater effluent mouth (19), reverse-osmosis treated unit (9), water butt (13), first switch (17) and second switch (11), described water-in (1) is connected with described water butt (13) by described first switch (17), described water-in (1) is connected with described pure water water outlet (15) and described water butt (13) respectively by described reverse-osmosis treated unit (9), described reverse-osmosis treated unit (9) is connected with described wastewater effluent mouth (19) by described second switch (11),
Described water cleaning systems also comprises TDS probe (18), be arranged between described reverse-osmosis treated unit (9) and described second switch (11), for be in full water state at described water butt (13) and the TDS value detecting in the intake line of described wastewater effluent mouth (19) is greater than preset value time open described first switch (17) and second switch (11) rinses described reverse-osmosis treated unit (9) in order to the pure water from described water butt (13).
2. water cleaning systems according to claim 1, it is characterized in that, described water cleaning systems also comprises the first reverse checkvalve (10), and described reverse-osmosis treated unit (9) is by being connected with described pure water water outlet (15) and described water butt (13) respectively after described first reverse checkvalve (10).
3. water cleaning systems according to claim 2, is characterized in that, described water cleaning systems also comprises the 3rd switch (12), is connected between described first reverse checkvalve (10) and described water butt (13).
4. water cleaning systems according to claim 2, is characterized in that, described water cleaning systems also comprises rearmounted filtration unit (14), is connected between described first reverse checkvalve (10) and described pure water water outlet (15).
5. water cleaning systems according to claim 1, it is characterized in that, described water cleaning systems also comprises stabilized pressure pump (8), and described water-in (1) is connected with described reverse-osmosis treated unit (9) by described stabilized pressure pump (8).
6. water cleaning systems according to claim 5, it is characterized in that, described water cleaning systems also comprises the second reverse checkvalve (16), and described stabilized pressure pump (8) is connected with described first switch (17) by described second reverse checkvalve (16).
7. water cleaning systems according to claim 5, is characterized in that, described water cleaning systems also comprises pretreatment unit, and described water-in (1) is connected with described stabilized pressure pump (8) by described pretreatment unit.
8. water cleaning systems according to claim 7, is characterized in that, described pretreatment unit comprises the cotton filter core (2) of the PP connected successively, particle charcoal filter core (4) and Carbon rod filter element (5).
9. water cleaning systems according to claim 8, it is characterized in that, described water cleaning systems also comprises the 4th switch (3), and the cotton filter core (2) of described PP is connected with described particle charcoal filter core (4) by described 4th switch (3).
10. water cleaning systems according to claim 8, it is characterized in that, described water cleaning systems also comprises the 5th switch (6) and under meter (7), and described Carbon rod filter element (5) is connected with described stabilized pressure pump (8) with described under meter (7) by described 5th switch (6) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610043943.1A CN105540746A (en) | 2016-01-22 | 2016-01-22 | water purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610043943.1A CN105540746A (en) | 2016-01-22 | 2016-01-22 | water purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105540746A true CN105540746A (en) | 2016-05-04 |
Family
ID=55820380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610043943.1A Pending CN105540746A (en) | 2016-01-22 | 2016-01-22 | water purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105540746A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108218003A (en) * | 2017-12-05 | 2018-06-29 | 浙江苏泊尔家电制造有限公司 | Water purifier and its process for purifying water |
| CN108996730A (en) * | 2018-08-24 | 2018-12-14 | 河南莱沃斯环保科技有限公司 | A kind of purifier and its application method convenient for fetching water under kitchen on kitchen |
| CN109467204A (en) * | 2018-11-30 | 2019-03-15 | 浙江朗诗德健康饮水设备股份有限公司 | A kind of water circuit system and control method of purifier |
| CN109970148A (en) * | 2018-12-12 | 2019-07-05 | 张耀钦 | Has the water purification system of water-saving function |
| CN110615545A (en) * | 2019-09-04 | 2019-12-27 | 深圳安吉尔饮水产业集团有限公司 | All-purpose water purifier for kitchen |
| CN114074967A (en) * | 2020-08-12 | 2022-02-22 | 云米互联科技(广东)有限公司 | Household water purifying device |
| CN114555532A (en) * | 2019-10-29 | 2022-05-27 | 科唯怡株式会社 | 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190558B1 (en) * | 1999-04-01 | 2001-02-20 | Nimbus Water Systems, Inc. | Reverse osmosis purification system |
| CN202181228U (en) * | 2011-08-10 | 2012-04-04 | 美的集团有限公司 | Water-saving type electromagnetic valve capable of automatically adjusting wastewater ratio |
| CN203461893U (en) * | 2013-07-25 | 2014-03-05 | 浙江艾波特环保科技股份有限公司 | Automatic water-saving reverse osmosis water machine |
| CN203683178U (en) * | 2013-12-24 | 2014-07-02 | 珠海格力电器股份有限公司 | Water purification system and water purifier comprising same |
| CN105217821A (en) * | 2015-10-13 | 2016-01-06 | 北京四季沐歌太阳能技术集团有限公司 | A kind of efficient reverse osmosis water manufacturing system of Intelligent adjustment |
| CN205500859U (en) * | 2016-01-22 | 2016-08-24 | 珠海格力电器股份有限公司 | water purification system |
-
2016
- 2016-01-22 CN CN201610043943.1A patent/CN105540746A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190558B1 (en) * | 1999-04-01 | 2001-02-20 | Nimbus Water Systems, Inc. | Reverse osmosis purification system |
| CN202181228U (en) * | 2011-08-10 | 2012-04-04 | 美的集团有限公司 | Water-saving type electromagnetic valve capable of automatically adjusting wastewater ratio |
| CN203461893U (en) * | 2013-07-25 | 2014-03-05 | 浙江艾波特环保科技股份有限公司 | Automatic water-saving reverse osmosis water machine |
| CN203683178U (en) * | 2013-12-24 | 2014-07-02 | 珠海格力电器股份有限公司 | Water purification system and water purifier comprising same |
| CN105217821A (en) * | 2015-10-13 | 2016-01-06 | 北京四季沐歌太阳能技术集团有限公司 | A kind of efficient reverse osmosis water manufacturing system of Intelligent adjustment |
| CN205500859U (en) * | 2016-01-22 | 2016-08-24 | 珠海格力电器股份有限公司 | water purification system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108218003A (en) * | 2017-12-05 | 2018-06-29 | 浙江苏泊尔家电制造有限公司 | Water purifier and its process for purifying water |
| CN108218003B (en) * | 2017-12-05 | 2024-03-19 | 浙江苏泊尔厨卫电器有限公司 | Water purifier and water purifying method thereof |
| CN108996730A (en) * | 2018-08-24 | 2018-12-14 | 河南莱沃斯环保科技有限公司 | A kind of purifier and its application method convenient for fetching water under kitchen on kitchen |
| CN109467204A (en) * | 2018-11-30 | 2019-03-15 | 浙江朗诗德健康饮水设备股份有限公司 | A kind of water circuit system and control method of purifier |
| CN109970148A (en) * | 2018-12-12 | 2019-07-05 | 张耀钦 | Has the water purification system of water-saving function |
| CN110615545A (en) * | 2019-09-04 | 2019-12-27 | 深圳安吉尔饮水产业集团有限公司 | All-purpose water purifier for kitchen |
| CN114555532A (en) * | 2019-10-29 | 2022-05-27 | 科唯怡株式会社 | Water purifier |
| CN114074967A (en) * | 2020-08-12 | 2022-02-22 | 云米互联科技(广东)有限公司 | Household water purifying device |
| 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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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160504 |