CN106693709A - Water purification system and control method thereof and water purifier - Google Patents
Water purification system and control method thereof and water purifier Download PDFInfo
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- CN106693709A CN106693709A CN201710072922.7A CN201710072922A CN106693709A CN 106693709 A CN106693709 A CN 106693709A CN 201710072922 A CN201710072922 A CN 201710072922A CN 106693709 A CN106693709 A CN 106693709A
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- Prior art keywords
- water
- filter element
- filter core
- cleaning systems
- rinse
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 232
- 238000000746 purification Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 70
- 238000003860 storage Methods 0.000 claims abstract description 39
- 238000011010 flushing procedure Methods 0.000 claims abstract description 26
- 239000012528 membrane Substances 0.000 claims description 112
- 238000000108 ultra-filtration Methods 0.000 claims description 59
- 238000001223 reverse osmosis Methods 0.000 claims description 47
- 238000001914 filtration Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003749 cleanliness Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 229920000742 Cotton Polymers 0.000 description 7
- 244000261422 Lysimachia clethroides Species 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- 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
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- 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
- B01D61/08—Apparatus therefor
-
- 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
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- 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
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/22—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
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
Abstract
The invention discloses a water purification system and a control method thereof and a water purifier. The water purification system comprises a filter element, and a water storage part and a water outlet part which are connected with a water outlet of the filter element respectively, wherein the filter element is provided with a flushing port which is connected with a drainage part; and a filter element flushing branch is connected between the water storage part and a water inlet and/or the water outlet of the filter element. The water outlet of the filter element of the water purification system provided by the invention is connected with the water storage part and the water outlet part, and the filter element flushing branch is connected between the water storage part and the filter element, so that the water filtered by the filter element can enter the water storage part for storage, the filter element can be flushed by using the water filtered by the filter element in the water storage part, and the water after flushing is discharged out by the drainage part arranged at the flushing port of the filter element, thereby ensuring a cleaning effect of the filter element, further ensuring cleanliness of a water path in the water purification system, and saving water resources.
Description
Technical field
The present invention relates to water purification field, relate more specifically to a kind of water cleaning systems and its control method, water purifier.
Background technology
In water purifier, to ensure the filter effect of filter core, extend the service life of filter core, punching is set typically on filter core
Mouth is washed, filter core is rinsed by rinse mouth, used for the flushing of filter core using single water source in existing structure, a side
The quality at face water source cannot ensure, it is most likely that secondary pollution is caused to filter core, on the other hand also result in the waste of resource.
The content of the invention
In view of this, to be to provide a kind of developing result to filter core good, saving water resource net for an object of the present invention
Water system and its control method, water purifier.
It is up to above-mentioned purpose, in a first aspect, the application provides a kind of water cleaning systems.
A kind of water cleaning systems, including filter core and the water storage part that is connected with the delivery port of the filter core respectively and outlet part,
Rinse mouth is provided with the filter core, the rinse mouth is connected with Drainage Division, in the water inlet of the water storage part and the filter core
And/or filter core flushing branch road is connected between delivery port.
Preferably, the rinse mouth is arranged at the influent side of the filter core.
Preferably, it is provided with first switch device on the Drainage Division；And/or,
The filter core is rinsed on branch road and is provided with second switch device.
Preferably, the filter core includes ultrafiltration membrane filter element, and the water inlet of the ultrafiltration membrane filter element is connected with water inlet pipe, described
The 3rd switching device is provided with water inlet pipe, the first end that the filter core rinses branch road connects the water storage part, the filter core punching
The second end for washing branch road connects the delivery port of the ultrafiltration membrane filter element.
Preferably, the filter core also includes reverse osmosis membrane filter element, and the water inlet of the reverse osmosis membrane filter element is through the first pipeline
Delivery port with the ultrafiltration membrane filter element is connected, and the filter core rinses the second end of branch road and also enters with the reverse osmosis membrane filter element
The mouth of a river is connected.
Preferably, the filter core rinses one end connection water storage part of branch road, and the other end accesses first pipeline.
Preferably, the outlet part includes the first outlet part for being connected with the delivery port of the reverse osmosis membrane filter element, and/
Or, the outlet part includes the second outlet part being connected with the delivery port of the ultrafiltration membrane filter element.
Preferably, the water cleaning systems also include flow detector, for detecting through the water after the filter element filtering
Flow.
Preferably, the water storage part includes pressure pot.
Second aspect, the application provides a kind of control method of water cleaning systems.
A kind of control method of water cleaning systems as described above, the water cleaning systems include aqueous mode processed and rinse mode, when
When the water cleaning systems run aqueous mode processed, the rinse mouth of the filter core is closed, and the filter core rinses branch road and closes, when described net
During water system operation rinse mode, the rinse mouth of the filter core is opened, and the filter core rinses branch road and opens, in the water storage part
Water is rinsed to the filter core, and the water after flushing is discharged through the rinse mouth and the Drainage Division.
A kind of control method of water cleaning systems as described above, the water cleaning systems include aqueous mode processed and rinse mode,
The rinse mode include ultrafiltration membrane filter element forward direction rinse mode, milipore filter back flush pattern and/or, reverse osmosis membrane filter element is just
To rinse mode, wherein,
When water cleaning systems operation ultrafiltration membrane filter element forward direction rinse mode, the 3rd switching device and described is opened
The rinse mouth of ultrafiltration membrane filter element, the filter core rinses branch road and the rinse mouth of the reverse osmosis membrane filter element is closed；
When the water cleaning systems run ultrafiltration membrane filter element back flush pattern, the 3rd switching device and institute are closed
The rinse mouth of reverse osmosis membrane filter element is stated, the rinse mouth that the filter core rinses branch road and the ultrafiltration membrane filter element is opened；
When water cleaning systems operation reverse osmosis membrane filter element forward direction rinse mode, close the 3rd switching device and
The rinse mouth of the ultrafiltration membrane filter element, opens the rinse mouth that the filter core rinses branch road and the reverse osmosis membrane filter element.
Preferably, when the water cleaning systems run rinse mode, intermittent flushing is carried out to the filter core.
Preferably, when the water cleaning systems are opened, rinse mode is run first, rerun aqueous mode processed；And/or,
After the water cleaning systems run aqueous mode predetermined hold-time processed, the rinse mode is switched to；And/or,
The water cleaning systems also include flow detector, for detecting the flow through the water after the filter element filtering,
When the water cleaning systems run aqueous mode processed, when the flow value of flow detector detection is less than preset value, switch to
The rinse mode.
The third aspect, the application provides a kind of water purifier.
A kind of water purifier, including water cleaning systems as described above.
The filter core delivery port of the water cleaning systems that the present invention is provided is connected with water storage part and outlet part, and in water storage part and filter core
Between connect filter core rinse branch road, can be stored into water storage part through the water after filter element filtering, using in water storage part through filter element filtering
Water afterwards is rinsed to filter core, the configured Drainage Division discharge at filter core rinse mouth of the water after flushing, it is ensured that to filter core
Cleaning effect, and then ensure water cleaning systems in water route cleaning, saving water resource.
Brief description of the drawings
By description referring to the drawings to the embodiment of the present invention, of the invention above-mentioned and other purposes, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows one of schematic diagram of water cleaning systems that the specific embodiment of the invention is provided；
Fig. 2 shows the two of the schematic diagram of the water cleaning systems that the specific embodiment of the invention is provided；
Fig. 3 shows the three of the schematic diagram of the water cleaning systems that the specific embodiment of the invention is provided；
Fig. 4 shows the four of the schematic diagram of the water cleaning systems that the specific embodiment of the invention is provided.
In figure, the 1, first pipeline；2nd, ultrafiltration membrane filter element；3rd, reverse osmosis membrane filter element；4th, the second pipeline；5th, the 3rd pipeline；6、
Tie point；7th, the second branch road；8th, composite filter element；9th, water storage part；10th, the first outlet part；101st, the first gooseneck faucet；102nd, it is pure
Water out；11st, filter core rinses branch road；12nd, the first drainpipe；13rd, the second magnetic valve；14th, the second drainpipe；15th, waste water ratio electricity
Magnet valve；16th, the 3rd magnetic valve；17th, PP cotton filter cores；18th, active carbon filter core；19th, the first magnetic valve；20th, non-return valve；21st, voltage stabilizing
Pump；22nd, flow sensor；23rd, the second outlet part；231st, the second gooseneck faucet；232nd, pure water inlet.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
It is detailed to describe some specific detail sections during text is to detailed description of the invention.Do not have for a person skilled in the art
The description of these detail sections can also completely understand the present invention.In order to avoid obscuring essence of the invention, known method, mistake
Journey, flow, element do not have narration in detail.
Additionally, it should be understood by one skilled in the art that accompanying drawing is provided to descriptive purpose provided herein, and
What accompanying drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure and " including " in claims, similar etc. "comprising"
Word should be construed to the implication for including rather than exclusive or exhaustive implication；That is, be " including but not limited to " contains
Justice.
In the description of the invention, it is to be understood that term " first ", " second " etc. be only used for describe purpose, without
It is understood that to indicate or implying relative importance.Additionally, in the description of the invention, unless otherwise indicated, the implication of " multiple "
It is two or more.
This application provides a kind of water cleaning systems, as shown in figure 1, including the He of ultrafiltration membrane filter element 2 connected through the first pipeline 1
Reverse osmosis membrane filter element 3, i.e. ultrafiltration membrane filter element 2 has water inlet and delivery port, reverse osmosis membrane filter element 3 also has water inlet and goes out
The mouth of a river, the delivery port of ultrafiltration membrane filter element 2 is connected through the first pipeline 1 with the water inlet of reverse osmosis membrane filter element 3.Ultrafiltration membrane filter element 2
Water inlet is connected with the second pipeline 4 (i.e. water inlet pipe).The delivery port of reverse osmosis membrane filter element 3 is connected with parallel connection through the 3rd pipeline 5
Two branch roads, the respectively branch road 7 of tie point 6 and second, tie point 6 are connected with water storage part 9, and the second branch road 7 goes out with first
Water portion 10 connects, and the water after being filtered through ultrafiltration membrane filter element 2 and reverse osmosis membrane filter element 3 can enter in water storage part 9 and store, also can be via
First outlet part 10 flows out for users to use.Preferably, composite filter element 8, reverse osmosis membrane filter element 3 are provided with the second branch road 7
The water of water or water storage part 9 storage after filtering is flowed out by the first outlet part 10 again after being post-processed through composite filter element 8, it is ensured that
The effluent characteristics of the first outlet part 10.
Further, water cleaning systems also include filter core and rinse branch road 11, and filter core rinses one end connection water storage of branch road 11
Portion 9, the other end connects the water inlet and/or delivery port of each filter core, and forward direction is carried out to each filter core using the water in water storage part 9
Or back flush, so as to ensure that the cleaning in water route in the cleaning effect to filter core, and then guarantee water cleaning systems, save water money
Source.Herein, positive flushing refers to being rinsed the influent side of filter core, and back flush refers to carrying out by water outlet side filter core
To the flushing in influent side direction.
Specifically, as shown in figure 1, being provided with rinse mouth on ultrafiltration membrane filter element 2, rinse mouth is preferably provided at ultrafiltration membrane filter element
2 influent side, i.e., in the internal flow path of ultrafiltration membrane filter element 2, rinse mouth is located at the upstream side of milipore filter.The setting position of flush port
Putting for example can be convenient to realize rushing to ultrafiltration membrane filter element 2 in the end of the housing of ultrafiltration membrane filter element 2, sidepiece or other positions
Wash.Drainage Division is connected with the rinse mouth of ultrafiltration membrane filter element 2, for example, Drainage Division is the first drainpipe 12, ultrafiltration membrane filter element
Switching device is provided between 2 rinse mouth and the first drainpipe 12, ultrafiltration is controlled by the opening and closing of switching device
The opening and closing of the rinse mouth of membrane cartridge 2.Switching device is, for example, the second magnetic valve 13.
Rinse mouth is also equipped with reverse osmosis membrane filter element 3, rinse mouth is preferably provided at the influent side of reverse osmosis membrane filter element 3,
I.e. in the internal flow path of reverse osmosis membrane filter element 3, rinse mouth is located at the upstream side of reverse osmosis membrane.The set location of rinse mouth is for example
Can be in the end of the housing of reverse osmosis membrane filter element 3, sidepiece or other positions, the convenient flushing realized to reverse osmosis membrane filter element 3
.Drainage Division is connected with the rinse mouth of reverse osmosis membrane filter element 3, for example, Drainage Division is the second drainpipe 14, counter-infiltration membrane filtration
Switching device is also equipped between the rinse mouth of core 3 and the second drainpipe 14, is controlled by the opening and closing of switching device
The opening and closing of the rinse mouth of reverse osmosis membrane filter element.Switching device is preferably waste water ratio electromagnetic valve 15.
The first end that filter core rinses branch road 11 is connected with water storage part 9, the second end respectively with the delivery port of ultrafiltration membrane filter element 2 with
And the water inlet of reverse osmosis membrane filter element 3 is connected, so as to realize the back flush to ultrafiltration membrane filter element 2 by filter core flushing branch road 11
And the positive of reverse osmosis membrane filter element 3 is rinsed (have specific introduction below).Preferably, as shown in figure 1, filter core rinses branch road 11
First end access tie point 6, because tie point 6 is connected with water storage part 9, thus by filter core flushing branch road 11 first end
It is that the first end for being capable of achieving filter core flushing branch road 11 is connected with water storage part 9 to access tie point 6.Filter core rinses the second of branch road 11
Terminate into the first pipeline 1, due to the water inlet of the delivery port and reverse osmosis membrane filter element 3 of the connection ultrafiltration membrane filter element 2 of the first pipeline 1
Mouthful, thus by filter core rinse the second of branch road 11 terminate into the first pipeline 1 i.e. it is achievable respectively with the delivery port of ultrafiltration membrane filter element 2
And the water inlet of reverse osmosis membrane filter element 3 is connected.Filter core is rinsed on branch road 11 and is provided with switching device, for controlling water storage part 9
Water whether flow into filter core rinse branch road 11 on, it is preferable that switching device be the 3rd magnetic valve 16.
Further, PP cotton filter cores 17 and active carbon filter core 18 are disposed with along water route direction on the second pipeline 4, are led to
Crossing PP cotton filter cores 17 and active carbon filter core 18 can tentatively be filtered to the water in water inlet water cleaning systems first, so as to avoid water
Matter is too poor and influences the service life of ultrafiltration membrane filter element 2.Switching device is provided with the second pipeline 4, for controlling water purification system
Whether system intakes.Switching device is, for example, the first magnetic valve 19, and the first magnetic valve 19 is preferably provided at active carbon filter core 18 and surpasses
Between filter membrane filter core 2.
Further, non-return valve 20 is provided with the 3rd pipeline 5, non-return valve 20 is defined to only allow water along counter-infiltration membrane filtration
Core 3 flows to the direction of the branch road 7 of tie point 6 and second, it is ensured that system operation reliability, it is to avoid the water in water storage part 9 is to anti-
Move and reverse osmosis membrane filter element 3 is damaged in infiltration membrane cartridge 3 direction.
Further, stabilized pressure pump 21, water inlet of the stabilized pressure pump 21 near reverse osmosis membrane filter element 3 are additionally provided with the first pipeline 1
Mouth is set, and stablizes the hydraulic pressure in the first pipeline 1, and reverse osmosis membrane filter element 3 is played a protective role.
Further, water cleaning systems also include flow detector, for detecting the flow through the water after filter element filtering, lead to
Water flow come judge filter core whether need rinse, it is preferable that flow detector be flow sensor 22, it is preferably provided at
The downstream of the intersection point of the pipeline 1 of branch road 11 and first is rinsed on first pipeline 1 and positioned at filter core.
Water after being filtered by ultrafiltration membrane filter element 2 is water purification, and the water after being filtered by reverse osmosis membrane filter element 3 is pure water, can basis
Real needs set the position of outlet part.Preferably, as shown in fig. 1, the second outlet part 23 is also associated with the first pipeline 1,
The intersection point of the second outlet part 23 and the first pipeline 1 is located between flow sensor 22 and stabilized pressure pump 21.First outlet part 10 is preferred
Including the first gooseneck faucet 101 being connected with the second branch road 7, pure water outlet 102 is provided with the first gooseneck faucet 101.Second
Outlet part 23 preferably includes the second gooseneck faucet 231 being connected with the first pipeline 1, and water purification is provided with the second gooseneck faucet 231
Outlet 232.
Preferably, water storage part 9 includes pressure pot, and pressure pot can either adjust the system pressure of water cleaning systems, it is ensured that system
Reliability, can be again that the flushing of filter core is supplied water, and saving water resource and ensure to the developing result of filter core.
Compared to the embodiment shown in Fig. 1, alternately, as shown in Fig. 2 when water quality is preferable, PP cotton filter cores can be saved
Go, active carbon filter core 18 is arranged on the first pipeline 1, the second outlet part 23 is connected with the delivery port of active carbon filter core 18.
Compared to the embodiment shown in Fig. 1, alternately, as shown in figure 3, when water purification is not needed, can be by the second water outlet
Save in portion.
Compared to the embodiment shown in Fig. 1, alternately, as shown in figure 4, when water quality is not preferably and when needing water purification, can
PP cotton filter cores and the second outlet part are saved, active carbon filter core 18 is arranged on the first pipeline 1, the second outlet part 23 and activity
The delivery port connection of carbon filtration core 18.
It is understood that the exemplary filter core that ultrafiltration membrane filter element and reverse osmosis membrane filter element are the application to be given, also may be used
Substituted by other filter cores.
The water cleaning systems have aqueous mode processed and rinse mode, when water cleaning systems run aqueous mode processed, each filter core
Rinse mouth is closed, and filter core rinses branch road and closes, in as in the embodiment shown in fig. 1, the second magnetic valve 13 and waste water ratio electromagnetism
Valve 15 is closed, and the 3rd magnetic valve 16 is closed, and the first magnetic valve 19 is opened, and carries out the preparation of normal water purification and pure water, specifically,
Running water generates water purification, water purification after PP cotton filter cores 17, active carbon filter core 18, the first magnetic valve 19 and ultrafiltration membrane filter element 2 successively
Can be flowed out through the second outlet part 23.Water purification generates pure water after stabilized pressure pump 21, reverse osmosis membrane filter element 3, composite filter element 8 successively, pure
Water can flow out through the first outlet part 10.When water cleaning systems run rinse mode, the rinse mouth of filter core is opened, and filter core rinses branch road
11 are opened, and filter core is rinsed using the water in water storage part 9, and the water after flushing is discharged through rinse mouth and Drainage Division.Specific to
In embodiment as shown in Figure 1, wash module includes ultrafiltration membrane filter element forward direction rinse mode, milipore filter back flush pattern, instead
Infiltration membrane cartridge forward direction rinse mode.
Specifically, ultrafiltration membrane filter element forward direction rinse mode is：Open the first magnetic valve 19 and the second magnetic valve 13, the 3rd electricity
Magnet valve 16 and waste water ratio electromagnetic valve 15 are closed, now, through the water after the tentatively filtering of PP cotton filter cores 17 and active carbon filter core 18 through super
The water inlet of filter membrane filter core 2 is rinsed into the water inlet side of ultrafiltration membrane filter element 2, and the water after flushing is through ultrafiltration membrane filter element 2
Rinse mouth and the first drainpipe 12 are discharged, and realize rinsing the forward direction of ultrafiltration membrane filter element 2.
Ultrafiltration membrane filter element back flush pattern is：The first magnetic valve 19 and waste water ratio electromagnetic valve 15 are closed, the 3rd electricity is opened
The magnetic valve 13 of magnet valve 16 and second, the delivery port that the water in water storage part 9 can rinse branch road 11 and ultrafiltration membrane filter element 2 through filter core enters
Enter the water outlet side of ultrafiltration membrane filter element 2, the water inlet side that water enters ultrafiltration membrane filter element 2 by the water outlet side of ultrafiltration membrane filter element 2 is simultaneously
Discharged by the rinse mouth and the first drainpipe 12 of ultrafiltration membrane filter element 2, realize the back flush to ultrafiltration membrane filter element 2.
Reverse osmosis membrane filter element forward direction rinse mode be：The first magnetic valve 19 and the second magnetic valve 13 are closed, the 3rd electricity is opened
Magnet valve 16 and waste water ratio electromagnetic valve 15, the water in water storage part 9 can rinse the water inlet of branch road 11 and counter-infiltration filter core 3 through filter core
Water inlet side into reverse osmosis membrane filter element 3 is rinsed, the water after flushing through reverse osmosis membrane filter element 3 rinse mouth and second row
Water pipe 14 is discharged, and realizes rinsing the forward direction of reverse osmosis membrane filter element 3.
It is understood that above-mentioned ultrafiltration membrane filter element forward direction rinse mode, ultrafiltration membrane filter element back flush pattern and anti-
Infiltration membrane cartridge forward direction rinse mode can run successively, also can alternate run.
Further, in rinse mode, intermittent flushing can be carried out to filter core, that is, carries out pulsed flushing, namely often
Certain interval of time carries out once flushing, is washed away repeatedly so as to be formed to filter core so that pollutant departs from filter core, improves to filter
The developing result of core.For example, when being rinsed to ultrafiltration membrane filter element 2, each washing time T1 is rinsed at intervals of T2, continuously
Rinse n times.When being rinsed to reverse osmosis membrane filter element 3, each washing time is T3, is rinsed at intervals of T4, continuous flushing M
It is secondary.Wherein, the numerical value of T1, T2, T3, T4, M and N needs to be set according to factors such as filter core model, water quality quality, types.
Further, water cleaning systems for example can be into the opportunity of rinse mode, first when the water cleaning systems are opened
Rinse mode is first run, rerun aqueous mode processed.For example can be again, when water cleaning systems run aqueous mode predetermined hold-time processed
Afterwards, rinse mode is switched to, the scheduled time can be configured according to factors such as the model of filter core, the quality of water quality, also dependent on
Test to be determined.For example can be again, when water cleaning systems run aqueous mode processed, when the flow of flow detector detection
When value is less than preset value, rinse mode is switched to, flow value can (such as filter core model, water quality be fine or not, type as the case may be
Etc. factor) it is configured, it is determined also dependent on experiment.
Further, present invention also provides a kind of water purifier, the water purifier uses water cleaning systems as described above, water purification
Effect is good, extends service life.
Those skilled in the art is it is easily understood that on the premise of not conflicting, above-mentioned each preferred scheme can be free
Ground combination, superposition.
It should be appreciated that above-mentioned implementation method is only illustrative, and not restrictive, without departing from of the invention basic
In the case of principle, various obvious or equivalent modification or replace that those skilled in the art can make for above-mentioned details
Change, be all included in scope of the presently claimed invention.
Claims (14)
1. a kind of water cleaning systems, it is characterised in that the water storage part being connected with the delivery port of the filter core including filter core and respectively
And outlet part, rinse mouth is provided with the filter core, the rinse mouth is connected with Drainage Division, in the water storage part and the filter core
Water inlet and/or delivery port between be connected with filter core rinse branch road.
2. water cleaning systems according to claim 1, it is characterised in that the rinse mouth is arranged at the water inlet of the filter core
Side.
3. water cleaning systems according to claim 1, it is characterised in that first switch device is provided with the Drainage Division；
And/or,
The filter core is rinsed on branch road and is provided with second switch device.
4. water cleaning systems according to claim 1, it is characterised in that the filter core includes ultrafiltration membrane filter element, the ultrafiltration
The water inlet of membrane cartridge is connected with water inlet pipe, and the 3rd switching device is provided with the water inlet pipe, and the filter core rinses branch road
First end connects the water storage part, and the filter core rinses the delivery port of the second end connection ultrafiltration membrane filter element of branch road.
5. water cleaning systems according to claim 4, it is characterised in that the filter core also includes reverse osmosis membrane filter element, described
The water inlet of reverse osmosis membrane filter element is connected through the first pipeline with the delivery port of the ultrafiltration membrane filter element, and the filter core rinses branch road
Water inlet of second end also with the reverse osmosis membrane filter element is connected.
6. water cleaning systems according to claim 5, it is characterised in that one end that the filter core rinses branch road connects the storage
Water portion, the other end accesses first pipeline.
7. water cleaning systems according to claim 5, it is characterised in that the outlet part includes and the reverse osmosis membrane filter element
Delivery port connection the first outlet part, and/or, the outlet part includes be connected with the delivery port of the ultrafiltration membrane filter element the
Two outlet parts.
8. water cleaning systems according to claim 1, it is characterised in that the water cleaning systems also include flow detector,
For detecting the flow through the water after the filter element filtering.
9. water cleaning systems according to claim 1, it is characterised in that the water storage part includes pressure pot.
10. a kind of control method of the water cleaning systems as described in any one of claim 1 to 9, it is characterised in that the water cleaning systems
Including aqueous mode processed and rinse mode, when the water cleaning systems run aqueous mode processed, the rinse mouth of the filter core is closed, described
Filter core rinses branch road and closes, and when the water cleaning systems run rinse mode, the rinse mouth of the filter core is opened, the filter core punching
Branch road opening is washed, the water in the water storage part is rinsed to the filter core, and the water after flushing is through the rinse mouth and the row
Discharge in water portion.
A kind of control method of 11. water cleaning systems as described in any one of claim 5 to 7, it is characterised in that the water purification system
System includes aqueous mode processed and rinse mode, and the rinse mode includes that ultrafiltration membrane filter element forward direction rinse mode, milipore filter are reversely rushed
Mold cleaning formula and/or, reverse osmosis membrane filter element forward direction rinse mode, wherein,
When water cleaning systems operation ultrafiltration membrane filter element forward direction rinse mode, the 3rd switching device and the ultrafiltration are opened
The rinse mouth of membrane cartridge, the filter core rinses branch road and the rinse mouth of the reverse osmosis membrane filter element is closed；
When the water cleaning systems run ultrafiltration membrane filter element back flush pattern, the 3rd switching device and described anti-is closed
The rinse mouth of membrane cartridge is permeated, the rinse mouth that the filter core rinses branch road and the ultrafiltration membrane filter element is opened；
When water cleaning systems operation reverse osmosis membrane filter element forward direction rinse mode, the 3rd switching device and described is closed
The rinse mouth of ultrafiltration membrane filter element, opens the rinse mouth that the filter core rinses branch road and the reverse osmosis membrane filter element.
12. control method according to claim 10 or 11, it is characterised in that when the water cleaning systems run rinse mode
When, intermittent flushing is carried out to the filter core.
13. control method according to claim 10 or 11, it is characterised in that when the water cleaning systems are opened, first
Operation rinse mode, rerun aqueous mode processed；And/or,
After the water cleaning systems run aqueous mode predetermined hold-time processed, the rinse mode is switched to；And/or,
The water cleaning systems also include flow detector, for detecting the flow through the water after the filter element filtering, described
When water cleaning systems run aqueous mode processed, when the flow value of flow detector detection is less than preset value, switch to described
Rinse mode.
14. a kind of water purifiers, it is characterised in that including the water cleaning systems as described in any one of claim 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710072922.7A CN106693709A (en) | 2017-02-10 | 2017-02-10 | Water purification system and control method thereof and water purifier |
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| CN201710072922.7A CN106693709A (en) | 2017-02-10 | 2017-02-10 | Water purification system and control method thereof and water purifier |
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| CN201710072922.7A Pending CN106693709A (en) | 2017-02-10 | 2017-02-10 | Water purification system and control method thereof and water purifier |
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