CN106006844A - Water purifying system and reverse osmosis filter element washing condition judging method thereof - Google Patents
Water purifying system and reverse osmosis filter element washing condition judging method thereof Download PDFInfo
- Publication number
- CN106006844A CN106006844A CN201610301708.XA CN201610301708A CN106006844A CN 106006844 A CN106006844 A CN 106006844A CN 201610301708 A CN201610301708 A CN 201610301708A CN 106006844 A CN106006844 A CN 106006844A
- Authority
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- China
- Prior art keywords
- water
- filter element
- condensed water
- reverse osmosis
- osmosis filter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 178
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 54
- 238000005406 washing Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 52
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 36
- 238000004140 cleaning Methods 0.000 claims description 30
- 230000001276 controlling effect Effects 0.000 claims description 15
- 238000011010 flushing procedure Methods 0.000 claims description 12
- 238000007781 pre-processing Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 210000003918 fraction a Anatomy 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000008213 purified water 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
- C02F1/44—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
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a water purifying system and a reverse osmosis filter element washing condition judging method thereof. The water purifying system comprises a filtering part, a pure water part, a concentrated water part, a reverse osmosis filter element and an electric control device. The filtering part is divided into two paths for output through the reverse osmosis filter element, one path is output to the pure water part, and the other path is output to the concentrated water part. The filtering part is provided with a pressure regulating pump and an inflow water quality sensor, the concentrated water part is provided with a concentrated water quality sensor and a water flow switching valve, and the electric control device is electrically connected with the pressure regulating pump, the inflow water quality sensor, the concentrated water quality sensor and the water flow switching valve. According to the water purifying system, the electric control device detects the water quality condition of the filtering part and the concentrated water part according to the inflow water quality sensor and the concentrated water quality sensor, whether the reverse osmosis filter element needs to be washed or not is judged, the optimal washing frequency and time are precisely set, a large number of water sources can be saved, the washing effect is greatly improved, and whether the reverse osmosis filter needs to be washed or not is intelligently judged.
Description
Technical field
The present invention relates to water cleaning systems technical field, particularly a kind of water cleaning systems and reverse osmosis filter element washing condition determination methods thereof.
Background technology
In recent years, water purification product is increasingly paid close attention to by consumer as health-oriented products, and water purification industry develops at high speed the most therewith；Reverse osmosis purified water system is the main flow of domestic household water purification system, in order to ensure the service life of reverse osmosis filter element, in use, it is necessary to ceaselessly reverse osmosis filter element film surface is rinsed, reduce the salinity on reverse osmosis filter element film surface, slow down the blocking that film surface scale causes.
As shown in Figure 1, it it is the technical scheme of existing a kind of water cleaning systems reverse osmosis filter element flushing, including filtration fraction A, pure water part B, condensed water part C, reverse osmosis filter element 104 and electric control gear D, described filtration fraction A is exported by 104 points of two-way of reverse osmosis filter element, one tunnel exports to pure water part B, another road exports to condensed water part C, filtration fraction A is provided with preposition process filter element 101, entering water electromagnetic valve 102 and booster pump 103, pure water part B is provided with postpositive disposal filter element 105, waste water ratio electromagnetic valve 106 it is provided with in condensed water part C, waste water ratio electromagnetic valve 106 has a leaking hole, when controlling the water circulation, closed electromagnetic valve；After the controlling the water circulation time reaches a certain numerical value, waste water ratio electromagnetic valve 106 fully opens, and makes to flow greatly and all flows out from Wastewater by Electric magnet valve, reaches to rinse the purpose on reverse osmosis membrane surface.
The flushing scheme of above-mentioned traditional reverse osmosis filter element, still suffers from following weak point: owing to washing condition is fixing, it may be assumed that accumulative controlling the water circulation carries out the flushing of set time length after arranging the time；Although this washing condition is arranged simply, but the water quality situation in each area varies, and the place of water quality inferiority was accomplished by rinsing the controlling the water circulation time is short when, and washing time is longer；Water quality is preferably local then can be just to rinse after controlling the water circulation longer time, and washing time requirement is the most relatively short；If all regions unanimously arranges fixing afterflush regular time controlling the water circulation time, this is the most irrational, and the local washing time that water quality is good is many, time length and waste water source, and the local washing time of water quality inferiority is inadequate, the time short easily makes RO filter element block.
Summary of the invention
It is an object of the invention to overcome the deficiency of above-mentioned prior art existence, and provide a kind of and optimal washing time and time can be accurately set, be possible not only to save a large amount of water source, be also substantially improved the water cleaning systems of developing result.
The present invention also provides for a kind of by detection water inlet water source and the water quality situation of condensed water, and intelligent decision reverse osmosis filter element, the need of flushing, accurately arranges the water cleaning systems reverse osmosis filter element washing condition determination methods of optimal washing time and time.
The object of the present invention is achieved like this:
nullA kind of water cleaning systems，Including filtration fraction、Pure water part、Condensed water part、Reverse osmosis filter element and electric control gear，Described filtration fraction divides two-way to export by reverse osmosis filter element，One tunnel exports to pure water part，Another road exports to condensed water part，It is characterized in that，Described filtration fraction is provided with pressure regulating pump and influent quality sensor，Condensed water water quality sensor and water flow switch valve it is provided with in condensed water part，Electric control gear respectively with pressure regulating pump、Influent quality sensor、Condensed water water quality sensor and water flow switch valve are electrically connected with，This kind of water cleaning systems，Electric control gear detects filtration fraction and the water quality situation of condensed water part according to influent quality sensor and condensed water water quality sensor，Judge that reverse osmosis filter element is the need of being rinsed，And make reverse osmosis filter element auto-flushing by controlling pressure regulating pump and water flow switch valve，And optimal washing time and time can be accurately set，It is possible not only to save a large amount of water source，Also it is substantially improved developing result.
The further technical measures of technique scheme are as follows:
Further, described reverse osmosis filter element includes filtration fraction interface, pure water part of interface and condensed water part of interface, and each interface is connected respectively filtration fraction, pure water part and condensed water part；Wherein, filtration fraction, by water inlet direction, is successively provided with the filtration fraction interface of influent quality sensor, pressure regulating pump and reverse osmosis filter element, in order to influent quality sensor can detect influent quality situation, pressure regulating pump then can be adjusted into the hydraulic pressure of reverse osmosis filter element, to meet needs.
Further, described filtration fraction is provided with preposition preprocessing filter element near water inlet position, and filtration fraction is by water inlet direction, before preposition preprocessing filter element is positioned at influent quality sensor, in order to water inlet water source is first filtered by preposition preprocessing filter element.
Further, described condensed water part presses condensed water water outlet direction, and condensed water water quality sensor is arranged between condensed water part of interface and water flow switch valve, and water flow switch valve can control condensed water.
Described pressure regulating pump can be booster pump, in order to improve the water pressure entering reverse osmosis filter element.
Described pure water part is additionally provided with rearmounted filter element, makes pure water part to filter further.
The present invention also provides for following a kind of technical scheme:
The reverse osmosis filter element washing condition determination methods of a kind of water cleaning systems, is characterized in that, comprise the steps:
Step one, presets washing condition and the influent quality of filtration fraction, the corresponding relation of the condensed water water quality of condensed water part of reverse osmosis filter element；
Step 2, during controlling the water circulation, influent quality sensor and condensed water water quality sensor detect the influent quality of filtration fraction and the condensed water water quality situation of condensed water part respectively, and send water quality situation to electric control gear；
Step 3, when the influent quality of the filtration fraction detected and the condensed water water quality situation of condensed water part meet default washing condition, electric control gear the reverse osmosis filter element controlling water cleaning systems is rinsed；
Step 4, when rinsing, influent quality sensor and condensed water water quality sensor detect the influent quality of filtration fraction and the condensed water water quality situation of condensed water part respectively；
Step 5, when the influent quality of filtration fraction and the condensed water water quality situation of condensed water part meet default stopping washing condition, controls water cleaning systems and stops the flushing of reverse osmosis filter element.
Beneficial effects of the present invention is as follows:
(1) this kind of water cleaning systems, can accurately arrange optimal washing time and time, is possible not only to save a large amount of water source, is also substantially improved developing result.
(2) water cleaning systems reverse osmosis filter element washing condition determination methods of the present invention, by detection water inlet water source and the water quality situation of condensed water, intelligent decision reverse osmosis filter element, the need of flushing, accurately arranges optimal washing time and time.
Accompanying drawing explanation
Fig. 1 is the principle schematic of prior art water cleaning systems.
Fig. 2 is the principle schematic of water cleaning systems of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
nullAs shown in Figure 2，A kind of water cleaning systems，Including filtration fraction 1、Pure water part 2、Condensed water part 3、Reverse osmosis filter element 4 and electric control gear 5，Described filtration fraction 1 is exported by 4 points of two-way of reverse osmosis filter element，One tunnel exports to pure water part 2，Another road exports to condensed water part 3，It is characterized in that，Described filtration fraction 1 is provided with pressure regulating pump 6 and influent quality sensor 7，Condensed water water quality sensor 8 and water flow switch valve 9 it is provided with in condensed water part 3，Electric control gear 5 respectively with pressure regulating pump 6、Influent quality sensor 7、Condensed water water quality sensor 8 and water flow switch valve 9 are electrically connected with，Electric control gear 5 detects the water quality situation of filtration fraction 1 and condensed water part 3 according to influent quality sensor 7 and condensed water water quality sensor 8，Judge that reverse osmosis filter element 4 is the need of being rinsed，And make reverse osmosis filter element 4 auto-flushing by controlling pressure regulating pump 6 and water flow switch valve 9.
Wherein, described reverse osmosis filter element 4 includes filtration fraction interface 41, pure water part of interface 42 and condensed water part of interface 43, and each interface is connected respectively filtration fraction 1, pure water part 2 and condensed water part 3；Wherein, filtration fraction 1, by water inlet direction, is successively provided with influent quality sensor 7, pressure regulating pump 6 and filtration fraction interface 41.
And described filtration fraction 1 is provided with preposition preprocessing filter element 10 near water inlet position, filtration fraction 1 is by water inlet direction, before preposition preprocessing filter element 10 is positioned at influent quality sensor 7；And condensed water part 2 is by condensed water water outlet direction, condensed water water quality sensor 8 is arranged between condensed water part of interface 43 and water flow switch valve 9.
In the present embodiment, described pressure regulating pump 6 is booster pump, and pure water part 2 is additionally provided with rearmounted filter element 11.
This kind of water cleaning systems, can accurately arrange optimal washing time and time, is possible not only to save a large amount of water source, is also substantially improved developing result.
The reverse osmosis filter element washing condition determination methods of a kind of water cleaning systems, is characterized in that, comprise the steps:
Step one, presets washing condition and the influent quality of filtration fraction 1, the corresponding relation of the condensed water water quality of condensed water part 3 of reverse osmosis filter element 4；
Step 2, during controlling the water circulation, influent quality sensor 7 and condensed water water quality sensor 8 detect the influent quality of filtration fraction 1 and the condensed water water quality situation of condensed water part 3 respectively, and send water quality situation to electric control gear 5；
Step 3, when the influent quality of the filtration fraction 1 detected and the condensed water water quality situation of condensed water part 3 meet default washing condition, electric control gear 5 the reverse osmosis filter element 4 controlling water cleaning systems is rinsed；
Step 4, when rinsing, influent quality sensor 7 and condensed water water quality sensor 8 detect the influent quality of filtration fraction 1 and the condensed water water quality situation of condensed water part 3 respectively；
Step 5, when the influent quality of filtration fraction 1 and the condensed water water quality situation of condensed water part 3 meet default stopping washing condition, controls water cleaning systems and stops the flushing of reverse osmosis filter element 4.
Above-mentioned water cleaning systems reverse osmosis filter element washing condition determination methods, by detection water inlet water source and the water quality situation of condensed water, intelligent decision reverse osmosis filter element, the need of flushing, accurately arranges optimal washing time and time.
Claims (7)
- null1. a water cleaning systems，Including filtration fraction (1)、Pure water part (2)、Condensed water part (3)、Reverse osmosis filter element (4) and electric control gear (5)，Described filtration fraction (1) is exported by reverse osmosis filter element (4) point two-way，One tunnel exports to pure water part (2)，Another road exports to condensed water part (3)，It is characterized in that，Described filtration fraction (1) is provided with pressure regulating pump (6) and influent quality sensor (7)，Condensed water water quality sensor (8) and water flow switch valve (9) it is provided with in condensed water part (3)，Electric control gear (5) respectively with pressure regulating pump (6)、Influent quality sensor (7)、Condensed water water quality sensor (8) and water flow switch valve (9) are electrically connected with，Electric control gear (5) detects filtration fraction (1) and the water quality situation of condensed water part (3) according to influent quality sensor (7) and condensed water water quality sensor (8)，Judge that reverse osmosis filter element (4) is the need of being rinsed，And make reverse osmosis filter element (4) auto-flushing by controlling pressure regulating pump (6) and water flow switch valve (9).
- Water cleaning systems the most according to claim 1, it is characterized in that, described reverse osmosis filter element (4) includes filtration fraction interface (41), pure water part of interface (42) and condensed water part of interface (43), and each interface is connected respectively filtration fraction (1), pure water part (2) and condensed water part (3)；Wherein, filtration fraction (1), by water inlet direction, is successively provided with the filtration fraction interface (41) of influent quality sensor (7), pressure regulating pump (6) and reverse osmosis filter element (4).
- Water cleaning systems the most according to claim 2, it is characterized in that, described filtration fraction (1) is provided with preposition preprocessing filter element (10) near water inlet position, and filtration fraction (1) is by water inlet direction, and it is front that preposition preprocessing filter element (10) is positioned at influent quality sensor (7).
- The most according to claim 2, water cleaning systems, is characterized in that, described condensed water part (2) presses condensed water water outlet direction, and condensed water water quality sensor (8) is arranged between condensed water part of interface (43) and water flow switch valve (9).
- The most according to claim 1, water cleaning systems, is characterized in that, described pressure regulating pump (6) is booster pump.
- 6. according to the arbitrary described water cleaning systems of claim 1-5, it is characterized in that, described pure water part (2) is additionally provided with rearmounted filter element (11).
- 7. a reverse osmosis filter element washing condition determination methods for water cleaning systems as claimed in claim 1, is characterized in that, comprise the steps:Step one, presets washing condition and the influent quality of filtration fraction (1), the corresponding relation of the condensed water water quality of condensed water part (3) of reverse osmosis filter element (4)；Step 2, during controlling the water circulation, influent quality sensor (7) and condensed water water quality sensor (8) detect the influent quality of filtration fraction (1) and the condensed water water quality situation of condensed water part (3) respectively, and water quality situation sends to electric control gear (5)；Step 3, when the influent quality of the filtration fraction (1) detected and the condensed water water quality situation of condensed water part (3) meet default washing condition, electric control gear 5 the reverse osmosis filter element (4) controlling water cleaning systems is rinsed；Step 4, when rinsing, influent quality sensor 7 and condensed water water quality sensor (8) detect the influent quality of filtration fraction (1) and the condensed water water quality situation of condensed water part (3) respectively；Step 5, when the influent quality of filtration fraction (1) and the condensed water water quality situation of condensed water part (3) meet default stopping washing condition, controls water cleaning systems and stops the flushing of reverse osmosis filter element (4).
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| CN201610301708.XA CN106006844A (en) | 2016-05-09 | 2016-05-09 | Water purifying system and reverse osmosis filter element washing condition judging method thereof |
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| CN201610301708.XA CN106006844A (en) | 2016-05-09 | 2016-05-09 | Water purifying system and reverse osmosis filter element washing condition judging method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592747A (en) * | 2019-01-30 | 2019-04-09 | 四川悠服科技有限公司 | The cleaning method and water purification machine of the reverse osmosis membrane filter element of water purification machine |
| CN109942035A (en) * | 2019-03-13 | 2019-06-28 | 佛山市云米电器科技有限公司 | A kind of Intelligent control type filtration system |
| CN113955825A (en) * | 2020-07-20 | 2022-01-21 | 广东美的白色家电技术创新中心有限公司 | Filtering time control method, water purifier and device |
| CN115381282A (en) * | 2022-08-01 | 2022-11-25 | 广东纯米电器科技有限公司 | Water purifying equipment |
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| CN109592747A (en) * | 2019-01-30 | 2019-04-09 | 四川悠服科技有限公司 | The cleaning method and water purification machine of the reverse osmosis membrane filter element of water purification machine |
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| CN113955825B (en) * | 2020-07-20 | 2023-06-02 | 广东美的白色家电技术创新中心有限公司 | Filtering time control method, water purifier and device |
| CN115381282A (en) * | 2022-08-01 | 2022-11-25 | 广东纯米电器科技有限公司 | Water purifying equipment |
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Application publication date: 20161012 |