CN110092490A - Water purification system - Google Patents
Water purification system Download PDFInfo
- Publication number
- CN110092490A CN110092490A CN201810100938.9A CN201810100938A CN110092490A CN 110092490 A CN110092490 A CN 110092490A CN 201810100938 A CN201810100938 A CN 201810100938A CN 110092490 A CN110092490 A CN 110092490A
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- China
- Prior art keywords
- water
- purification system
- valve
- membrane filter
- raw water
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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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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
- C02F1/001—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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- 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
Abstract
The present invention discloses a kind of water purification system comprising: membrane filter has the raw water mouth being connected to raw water tubes, the pure water mouth being connected to pure water pipe and the waste water mouth being connected to waste pipe；Inlet water solenoid valve is installed on raw water tubes；Booster pump is installed on the raw water tubes between membrane filter and inlet water solenoid valve；Intake switch is installed in pure water pipe；Flushing valve, the pure water pipe between water inlet end and membrane filter and intake switch are connected to, and the raw water tubes between water outlet and inlet water solenoid valve and membrane filter are connected to；And raw water branch, water inlet end are connected to raw water, water outlet is connected to the water inlet end of flushing valve.It is arranged such, so that membrane filter is full of the mixing water being mixed to form by raw water and pure water, since the TDS value of mixing water is smaller, this allows for that ion diffusion phenomena hardly occur in membrane filter, to ensure that the TDS value for the first cup pure water obtained that is switched on water purification system next time also can satisfy the demand of user.
Description
Technical field
The present invention relates to technical field of water purification, in particular to a kind of water purification system.
Background technique
Drinking Water Problem is the problem of common people pay special attention to, and having many substances for being unfavorable for health in water has been thing out of question
Real, this is also the hot root of the main reason for common people's healthy water consciousness is strengthened and purifier market.
It relies primarily on membrane filter in existing purifier to be filtered raw water, however, when the purifier is in standby
When state, raw water, waste water and pure water can be existed simultaneously in the membrane filter, wherein raw water and waste water are in the film of membrane filter
Before, after pure water is in the film of membrane filter, and raw water and the TDS value of waste water are intended to greatly be higher than the TDS value of pure water, if should
Purifier is in standby for a long time, and the ion that will lead in the raw water and waste water of membrane filter is diffused into pure water, into
And the TDS value of pure water is increased, and when being switched on Pure-water Making purifier next time, the TDS value meeting for the first cup pure water produced
It is relatively high, influence the experience of user.
Summary of the invention
The main object of the present invention is to propose a kind of water purification system, it is intended to reduce the first cup that the water purification system is produced every time
The TDS value of pure water.
To achieve the above object, a kind of water purification system proposed by the present invention comprising:
Membrane filter has the raw water mouth being connected to raw water tubes, the pure water mouth being connected to pure water pipe and is connected to waste pipe
Waste water mouth；
Inlet water solenoid valve is installed on the raw water tubes；
Booster pump is installed on the raw water tubes between the membrane filter and the inlet water solenoid valve；
Intake switch is installed in the pure water pipe；
Flushing valve, the pure water pipe between water inlet end and the membrane filter and the intake switch are connected to, water outlet with
Raw water tubes connection between the inlet water solenoid valve and the membrane filter；And
Raw water branch, water inlet end are connected to raw water, and water outlet is connected to the water inlet end of the flushing valve.
Preferably, the water purification system further includes controller, the controller and the inlet water solenoid valve, the pressurization
Pump, the intake switch and the flushing valve are electrically connected, and the controller is in the closing for receiving the intake switch
It when signal, controls the inlet water solenoid valve and closes, control the flushing valve and open, and control the booster pump and work on, with
Mix pure water and the raw water in the raw water branch in the pure water pipe latter with flowing into the membrane filter, to described
Membrane filter is rinsed.
Preferably, the water purification system further includes raw water regulating valve, and the raw water regulating valve is installed on the raw water branch
On；
The controller is also electrically connected with the raw water regulating valve, and the controller controls the raw water regulating valve work
Make, increases so that being back to the pure water amount in the membrane filter by the flushing valve.
Preferably, the water purification system further includes waste water regulating valve, and the waste water regulating valve is installed on the waste pipe；
The controller is also electrically connected with the waste water regulating valve, and the controller controls the waste water regulating valve work
Make, increases so that being back to the pure water amount in the membrane filter by the flushing valve.
Preferably, the water purification system further includes the first TDS detection device and the 2nd TDS detection device, the first TDS
Detection device is installed on the waste pipe, and the 2nd TDS detection device is installed on the raw water branch road；
The controller is also electrically connected with the first TDS detection device and the 2nd TDS detection device respectively, the control
Device processed controls the pressurization pump work according to the testing result of the first TDS detection device and the 2nd TDS detection device.
Preferably, the water purification system further includes flow detector, and the flow detector is installed on the raw water
On branch or the waste pipe；
The controller and the flow detector are electrically connected, and the controller is according to the flow detector
Testing result controls the pressurization pump work.
Preferably, the water purification system further includes timer, when the timer is used to detect the work of the flushing valve
It is long；
The controller is also electrically connected with the timer, and the controller is according to the testing result control of the timer
Make the pressurization pump work.
Preferably, the water purification system further includes pressure-detecting device, and the pressure-detecting device is installed on the membrane filtration
In pure water pipe between core and the intake switch；
The controller is also electrically connected with the pressure-detecting device, and the controller is according to the pressure-detecting device
Testing result control the inlet water solenoid valve, the booster pump and flushing valve work.
Preferably, the water purification system further includes the first check valve, and first check valve is installed on the pressure detecting
In pure water pipe between device and the membrane filter.
Preferably, the water outlet of the flushing valve is connected to the raw water tubes for stating booster pump upstream.
Preferably, the water purification system further includes second one-way valve and third check valve；Wherein,
The second one-way valve is installed on the raw water branch road；
The water inlet end of the third check valve is connected to the pure water pipe between the membrane filter and the intake switch, described
The water outlet of third check valve is connected to the water inlet end of the flushing valve.
Preferably, the water purification system further includes front filter element and postposition filter core, and the front filter element is installed on the original
On water pipe, the postposition filter core is installed in the pure water pipe.
Preferably, the water purification system further includes return of waste water valve, the water inlet end and the waste water of the return of waste water valve
Pipe connection, the water outlet of the return of waste water valve is connected to the raw water tubes of the booster pump influent side.
Preferably, the water purification system further includes the 4th check valve and the 5th check valve；Wherein,
4th check valve is installed on the raw water tubes of the inlet water solenoid valve influent side；
The water inlet end that 5th check valve is installed on is connected to the waste pipe, the water outlet of the 5th check valve with
Raw water tubes connection between the inlet water solenoid valve and the 4th check valve.
Technical solution of the present invention, by closing the electromagnetism of the water purification system at the end of water purification system water
Valve, opens the flushing valve of the water purification system, while the booster pump for controlling the water purification system is opened, so that the pure water pipe
Interior pure water mixes the latter same inflow membrane filter with the raw water in the raw water branch of the water purification system, to the membrane filtration
Core is rinsed.Since the TDS value of raw water is less than the TDS value of waste water, the TDS value of pure water will be much smaller than the TDS value of raw water, this
The TDS value for allowing for the mixing water being mixed to form by raw water and pure water will be lower than the TDS value of raw water, and be mixed by raw water and pure water
It closes the TDS value of mixing water formed and differs smaller with the TDS value of pure water, this allows for hardly occurring in the membrane filter
The phenomenon that ion is spread, even if ensuring that the water purification system starts Pure-water Making after some time, made from
The TDS value of first cup pure water also can satisfy the demand of user, which improves the performance of the water purification system, be conducive to improve
The experience of user.In addition, need to only open the flushing valve may make in the pure water pipe when rinsing the membrane filter
Raw water in pure water and the raw water branch flows into the membrane filter, which not only simplifies the water route of the water purification system,
And the setting of the control valve of raw water branch road is also eliminated, to reduce the production cost of water purification system, while also advantageous
In the volume for reducing the water purification system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic diagram of water purification system first embodiment of the present invention；
Fig. 2 is the schematic diagram of water purification system second embodiment of the present invention；
Fig. 3 is the schematic diagram of water purification system 3rd embodiment of the present invention；
Fig. 4 is the schematic diagram of water purification system fourth embodiment of the present invention；
Fig. 5 is the schematic diagram of the 5th embodiment of water purification system of the present invention；
Fig. 6 is the comparative diagram for the pure water TDS value that the membrane filter after not rinsing membrane filter and rinsing is produced.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of water purification system, please refers to Fig. 1, and Fig. 1, which shows water purification system 100 1 of the invention, to be implemented
The structural schematic diagram of example, the water purification system 100 include membrane filter 10, inlet water solenoid valve 15, booster pump 20, intake switch 25 etc.
Component.
The membrane filter 10 has raw water mouth, pure water mouth and waste water mouth, the raw water mouth and raw water tubes a of the membrane filter 10
(running water pipe or the water pipe being connected to water source) connection；The pure water mouth of the membrane filter 10 is connected to pure water pipe b, for described
Membrane filter 10 filters produced pure water discharge；The waste water mouth of the membrane filter 10 is connected to waste pipe c, for the membrane filter
10 filter generated waste water discharge.
The inlet water solenoid valve 15 is installed on the raw water tubes a, and be used to control the raw water tubes a beats on or off
It closes, i.e., when the described membrane filter 10 needs Pure-water Making, the inlet water solenoid valve 15 is opened；It is described when the membrane filter 10 is standby
Inlet water solenoid valve 15 is closed.
The booster pump 20 is installed on the raw water tubes a between the membrane filter 10 and the inlet water solenoid valve 15, described
Booster pump 20 is used to pressurize to the raw water in the raw water tubes a, enough with the raw water hydraulic pressure for ensuring to enter in the membrane filter 10
Height ensures that the membrane filter 10 being capable of normal water processed.
Preferably, the booster pump 20 be freq uency conversion supercharging pump 20, due to freq uency conversion supercharging pump 20 frequency be it is adjustable, this is conveniently
The frequency of freq uency conversion supercharging pump 20 is adjusted according to their own needs in user, that is, when needing to obtain a large amount of pure water in user's short time
When, the frequency that freq uency conversion supercharging can be pumped 20 by user is turned up, and passes through the raw water water of freq uency conversion supercharging pump 20 within the unit time at this time
Amount can be relatively more, thus ensure that the raw water water entered in the membrane filter 10 in the unit time can also accordingly increase, into
And increase the water production in 10 unit time of membrane filter；When the pure water amount for needing to obtain in user's short time is less,
The frequency that freq uency conversion supercharging pumps 20 can be held in a lower state by user, pass through freq uency conversion supercharging within the unit time at this time
The raw water water of pump 20 is fewer, but the raw water entered in the membrane filter 10 can be filtered adequately, and then advantageous
In the utilization rate for improving water resource.
The intake switch 25 is installed on the water outlet of the pure water pipe b, is used to control the opening of the pure water pipe b
Or close, i.e., the described intake switch 25 can be solenoid valve, tap etc..
It should say, when user needs to take pure water, open the intake switch 25 usually to obtain pure water, because
This, existing water purification system 100 is typically all to be turned on or off according to the intake switch 25 to control the water purification system
100 work.That is, open the solenoid valve of intaking when the intake switch 25 is opened, open the booster pump 20, so that
Obtaining raw water can be entered in the membrane filter 10 by the raw water tubes a, and raw water will form pure water through the membrane filter 10 filtering
And waste water, pure water are discharged by the pure water pipe b and are taken for user, waste water is discharged by waste pipe c；When the intake switch 25
When being closed, the booster pump 20 and the inlet water solenoid valve 15 are closed.
It is higher useless that TDS value can be also remained at the end of in view of the water purification system 100 water processed, in the membrane filter 10
Water, if being then turned on after 100 certain interval of time of the water purification system, when the water purification system 100 is in standby, institute
Stating the ion in membrane filter 10 in waste water can infiltrate into the pure water of the membrane filter 10, until the pure water in the membrane filter 10
TDS value and waste water TDS value it is suitable, will lead to the water purification system first cup water purification that booting was produced 100 next time in this way
TDS value is relatively high, in consideration of it, the water purification system 100 is additionally provided with flushing valve 30 and raw water branch d, the flushing valve 30
Pure water pipe b between water inlet end and the membrane filter 10 and the intake switch 25 is connected to, the water outlet of the flushing valve 30 with
Raw water tubes a connection between the inlet water solenoid valve 15 and the membrane filter 10；The water inlet end of the raw water branch d and water source or
The raw water tubes a of the influent side of inlet water solenoid valve 15 described in person is connected to, water outlet and the flushing valve 30 of the raw water branch d
Water inlet end connection.
When the water purification system 100 is in water state processed, the flushing valve 30 is in close state, and allows for institute in this way
Stating the pure water in the raw water in raw water branch d and the pure water pipe b cannot be introduced into the membrane filter 10, so as to avoid institute
The pure water stated in the raw water and the pure water pipe b in raw water branch d influences 10 Pure-water Making of membrane filter.
At the end of the water purification system 100 water processed namely when the intake switch 25 is closed, by the water purification solenoid valve
It closes, the flushing valve 30 is opened, while the booster pump 20 being kept it turned on, due to the water outlet of the pure water pipe b
End is closed, this pure water for allowing in the pure water pipe b is merely able to be back in the membrane filter 10 by the valve that magnetizes,
Raw water can be flowed into the membrane filter 10 by the raw water branch d, this allow for the membrane filter 10 can by raw water and
The mixing water that pure water is mixed to form is rinsed；At this point, the membrane filter 10 to originally retained in its internal waste water and after
Afterflow enters its internal pure water and raw water while being filtered, and the pure water being obtained by filtration flows into the pure water pipe b and passes through
The return pipe d is back to again in the raw water tubes a, and described in flowing into after mixing again with the raw water in the raw water tubes a
In membrane filter 10, to be rinsed again to the membrane filter 10, the waste water being obtained by filtration then passes through the waste pipe c and directly arranges
The membrane filter 10 out so rinses repeatedly, so that 10 inside of the membrane filter is finally mixed mixed full of pure water and raw water
Heshui.Since the TDS value of pure water is very small, the TDS value of raw water will well below the TDS value of waste water, this allow for by raw water and
The TDS value of the mixed water obtained after pure water mixing will be lower than the TDS value of raw water, and the mixing by obtaining after raw water and pure water mixing
Relatively, this allows for that ion diffusion hardly occurs in the membrane filter 10 for the TDS value of water and the TDS value of pure water
Phenomenon, even if ensuring that the water purification system 100 starts Pure-water Making, first cup pure water obtained after some time
TDS value also can satisfy the demand of user, which improves the performance of the water purification system 100, be conducive to improve user
Experience.
Technical solution of the present invention, by the end of 100 water processed of water purification system, closing the water purification system 100
Solenoid valve, open the flushing valve 30 of the water purification system 100, at the same control the water purification system 100 booster pump 20 open,
So that the pure water in the pure water pipe b mixes latter same inflow institute with the raw water in the raw water branch d of the water purification system 100
Membrane filter 10 is stated, to be rinsed to the membrane filter 10.Since the TDS value of raw water is less than the TDS value of waste water, pure water
TDS value will be much smaller than the TDS value of raw water, this TDS value for allowing for the mixing water being mixed to form by raw water and pure water will be lower than original
The TDS value of water, and the TDS value for the mixing water being mixed to form by raw water and pure water differs smaller with the TDS value of pure water, and this is just
So that in the membrane filter 10 hardly there is a phenomenon where ion spread, even if ensure that the water purification system 100 every
Start Pure-water Making after for a long time, the TDS value of first cup pure water obtained also can satisfy the demand of user, thus mention
The high performance of the water purification system 100, is conducive to the experience for improving user.In addition, only being needed when rinsing the membrane filter 10
The flushing valve 30 is opened described in the raw water inflow that may make in pure water and the raw water branch d in the pure water pipe b
In membrane filter 10, which not only simplifies the water routes of the water purification system 100, and also eliminate the control on raw water branch d
The setting of valve to reduce the production cost of water purification system 100, while also helping the body for reducing the water purification system 100
Product.
For the more intelligent control water purification system 100, the water purification system 100 further includes controller, the control
Device is electrically connected with the inlet water solenoid valve 15, booster pump 20, intake switch 25 and flushing valve 30 respectively, i.e., the described control
Control circuit corresponding with the inlet water solenoid valve 15, booster pump 20, intake switch 25 and flushing valve 30 electrically connects device respectively
It connects, the controller controls the inlet water solenoid valve 15, pressurization in the case where the water purification system 100 is in different working conditions
Pump 20, intake switch 25 and the work of flushing valve 30.
Specifically, the controller controls institute when the controller receives the opening signal of the intake switch 25
The opening of inlet water solenoid valve 15 is stated, the flushing valve 30 is controlled and closes, while controlling the booster pump 20 and opening；When the controller
When receiving the shutdown signal of the intake switch 25, the controller controls the inlet water solenoid valve 15 and closes, described in control
Flushing valve 30 is opened, while being controlled the booster pump 20 and being kept it turned on.So set, manipulating the water purification convenient for user
System 100, and then be conducive to improve the experience of user.
Further, the water purification system 100 further includes pressure-detecting device 35, and the pressure-detecting device 35 is installed
In on the pure water pipe b, it is used to detect the pure water hydraulic pressure value in the pure water pipe b, the controller is examined according to the pressure
The testing result for surveying device 35 controls the inlet water solenoid valve 15, the booster pump 20 and the work of the flushing valve 30.
Specifically, when the pressure-detecting device 35 detects that the real-time hydraulic pressure value in the pure water pipe b is lower than default water
When pressure value, then represent that the intake switch 25 is in the open state, i.e., user needs to fetch water, at this time described in the controller control
Inlet water solenoid valve 15 is opened, and is controlled the flushing valve 30 and is closed, while being controlled the booster pump 20 and being opened；When the intake switch
When 25 closing, the membrane filter 10 can't terminate water processed at once, at this point, the pure water that the membrane filter 10 is produced continues to flow into institute
It states in pure water pipe b, since the pure water in the pure water pipe b is more and more, this allows for the pure water hydraulic pressure meeting in the pure water pipe b
It is gradually increased, when the pressure-detecting device 35 detects that the implementation hydraulic pressure value in the pure water pipe b reaches default hydraulic pressure value,
The controller controls the inlet water solenoid valve 15 and closes, and controls the flushing valve 30 and opens, while controlling the booster pump 20
It opens, so that raw water and pure water can be back in the membrane filter 10 to be rinsed to the membrane filter 10.So
Setting allows the water purification system 100 just rinse to the membrane filter 10 automatically, simplifies the water purification system
100 operation, it is user-friendly.
It should be noted that when the membrane filter 10 is in and just rinses state, if user beats the intake switch 25
It opens, then stops that the membrane filter 10 is carried out just to rinse, the controller controls the pure water return valve and closes, by institute
It states membrane filter 10 and switches to water state processed.
Further, the water purification system 100 further includes the first check valve 40, and first check valve 40 is installed on described
On pure water pipe b between pressure-detecting device 35 and the membrane filter 10.So set, limiting the pure water in the pure water pipe b
It is back in the membrane filter 10, this assures the pure water between first check valve 40 and the intake switch 25
Pure water hydraulic pressure value in pipe b is able to maintain stabilization, is back to the membrane filter 10 so as to avoid the pure water in the pure water pipe b
It is interior, and the Real-time Water pressure in the pure water pipe b is caused to change, and then the problem of causing the controller to carry out maloperation, goes out
It is existing.
In order to which that improves the membrane filter 10 washes effect, in one embodiment of this invention, by increasing pure water in pure water
The accounting of the mixing water formed with raw water, to improve the flushing effect to the membrane filter 10.
Specifically, the water purification system 100 includes raw water regulating valve 45, the raw water regulating valve 45 is installed on the raw water
On branch d；The controller and the raw water regulating valve 45 are electrically connected, and adjust the raw water regulating valve according to the actual situation
45.Before entering the membrane filter 10 due to the raw water in the road d of the raw water can be back to by the pure water pipe b described in
Pure water in membrane filter 10 mutually converges, therefore, the pure water water in the road d of the raw water in raw water hydraulic pressure and the pure water pipe b
Quite, the pressure difference value between the water production of the membrane filter 10 and the raw water mouth of the membrane filter 10 and pure water mouth is in positive to pressure
It closes, it therefore, can be by adjusting the raw water regulating valve 45, to reduce the film when being rinsed to the membrane filter 10
The pressure of the pure water mouth of filter core 10, and the pure water in the raw water and the pure water pipe b in the road d of the raw water enters the membrane filtration
Before core 10 pressure difference value between the raw water mouth and pure water mouth of the membrane filter 10 can be allowed in this way by the booster pump
It increases, to improve the pure water amount that the membrane filter 10 is produced, while also reducing the raw water pair in the road d of the raw water
The impact of reflux pure water in the pure water pipe b, so that accounting of the pure water in the mixing water that raw water and pure water are mixed to form
Become larger, since the TDS value of pure water is almost nil, and in mixing water, pure water accounting is high, this TDS value for allowing for mixing water is wanted
Well below the TDS value of raw water, after being full of mixing water in the membrane filter 10, since the TDS value of mixing water is very small, this is just
So that ion diffusion phenomena hardly occur in the membrane filter 10, ensure that the water purification system 100 when very long
Between starting produce water purification, the TDS value of first cup water purification obtained also can satisfy the demand of user, and which improves described net
The performance of water system 100 is conducive to the experience for improving user.
It should be noted that the raw water regulating valve 45 can be the adjustable valve body of aperture, the controller can be with
Regulate and control the aperture of the raw water regulating valve 45 according to the actual situation.Since the raw water in the road d of the raw water enters the membrane filtration
Can mutually converge with the pure water being back in the membrane filter 10 by the pure water pipe b before core 10, therefore, the raw water it
Raw water hydraulic pressure is suitable with the pure water hydraulic pressure in the pure water pipe b in the d of road, the water production of the membrane filter 10 and the membrane filter 10
Raw water mouth and pure water mouth between pressure difference value be positively correlated, therefore, when being rinsed to the membrane filter 10, Ke Yitong
Overregulate the raw water regulating valve 45, come reduce the membrane filter 10 pure water mouth pressure, and the original in the road d of the raw water
Pure water in water and the pure water pipe b can allow in this way the film by the booster pump before entering the membrane filter 10
Pressure difference value between the raw water mouth and pure water mouth of filter core 10 increases, to improve the pure water that the membrane filter 10 is produced
Amount, while impact of the raw water in the road d of the raw water to the pure water that flows back in the pure water pipe b is also reduced, so that pure
Accounting of the water in the mixing water that raw water and pure water are mixed to form becomes larger.
For the ease of detecting through the raw water tubes a real-time raw water amount entered in the membrane filter 10 and passing through institute
The real-time water return amount that return pipe is back in the membrane filter 10 is stated, the water purification system 100 further includes that first flowmeter (is not schemed
Show) and second flowmeter (not shown), the first flowmeter be installed on the raw water branch d, the second flowmeter
Water inlet end is connected to the pure water pipe b, and the water outlet of the second flowmeter is connected to the water inlet end of the flushing valve 30, described
Controller is electrically connected with the first flowmeter and second flowmeter respectively, and according to the first flowmeter and described second
The testing result of flowmeter regulates and controls the raw water regulating valve 45, is rushed with reducing raw water in the raw water branch d to reflux pure water
It hits, the pure water regurgitant volume for allowing for the pure water pipe b in this way can be increased.In addition, passing through the first flowmeter and institute
The detection for stating second flowmeter enables the controller to the more accurate control raw water regulating valve 45 and works.
Obviously, the raw water regulating valve 45 might also be to adjust the valve body of hydraulic pressure, and the controller can be according to reality
Border situation regulates and controls the raw water regulating valve 45, to change the raw water hydraulic pressure by the raw water branch d.For example, working as the water intaking
When switch 25 is closed, the controller can regulate and control the raw water regulating valve 45, so as to pass through the original of the raw water regulating valve 45
Water hydraulic pressure reduces, and the raw water hydraulic pressure allowed in the raw water branch d in this way is reduced, so that the raw water branch d
Interior raw water becomes smaller to the impact for the pure water that flows back in the pure water pipe b, so that by being back in the membrane filter 10
Pure water water increases, and then increases accounting of the pure water in the mixing water that raw water and pure water are mixed to form.
Certainly, the raw water regulating valve 45 can also be other valve bodies, just be not listed one by one herein.
It should be noted that the water purification system 100 is produced when the water purification system 100 is in water processed stable state
Pure water water be substantially it is stable, when due to being rinsed to the membrane filter 10, the only described raw water branch d is into original
Water, the waste pipe c effluent, the pure water in the pure water pipe b, therefore, can according to mass conservation law always involved in circulation
Know, the wastewater flow rate of the waste pipe c discharge is suitable with the raw water inlet of the raw water branch d, in consideration of it, can pass through control
The wastewater flow rate of waste pipe c discharge can deform in this way to adjust the raw water inlet of the raw water branch d and increase pure water and exist
The accounting in mixing water that raw water and pure water are mixed to form.
Specifically, the water purification system 100 further includes waste water regulating valve 50, the waste water regulating valve 50 is installed on described useless
On water pipe c；The controller and the waste water regulating valve 50 are electrically connected, and are adjusted according to the actual situation to regulate and control the waste water
The aperture of valve 50.Specifically, the controller regulates and controls the waste water regulating valve 50, when the intake switch 25 is closed to subtract
The aperture of the small waste water regulating valve 50, this reduces the wastewater flow rates of waste pipe c discharge, namely change and pass through institute
Raw water branch d is stated into the raw water amount in the membrane filter 10, so that covert increase pure water is mixed to form in raw water and pure water
Mixing water in accounting；In addition, can also be reduced when rinsing the membrane filter 10 by adjusting the waste water regulating valve 50
The waste water discharge rate of the membrane filter 10, and then be conducive to water-saving.
In addition, the waste water regulating valve 50 can also adjust the useless of the waste pipe c in 100 water processed of water purification system
Water discharge rate can also promote the water rate processed of the water purification system 100 in this way.
It should say, the raw water regulating valve 45 can be arranged in the water purification system 100 simultaneously and the waste water is adjusted
Valve 50, it is described when the raw water regulating valve 45 or the waste water regulating valve 50 is separately provided compared to the water purification system 100
The raw water regulating valve 45 and the waste water regulating valve 50, which is arranged, in water purification system 100 simultaneously can greatly improve the water purification system
System 100 produces the water quality of water within a period of time for opening water processed, specifically please refers to following table and Fig. 6:
As can be seen that the water purification system 100 is every time after water processed from above table and Fig. 6, if to described net
The membrane filter 10 of water system 100, which is rinsed, to be affected the water purification system 100 and is switched on next time the pure water water quality produced, i.e. institute
The membrane filter 10 for stating water purification system 100 is rinsed, then the pure water water quality that 100 next time of water purification system, booting was produced wants excellent
The case where rinsing is not obtained in the membrane filter 10 of the water purification system 100；Also, in the membrane filter 10 of the water purification system 100
Each Pure-water Making and in the case where cleaning, be arranged also on the raw water branch d of the water purification system raw water regulating valve 45 or
When waste water regulating valve 50 being arranged on the waste pipe c, the water purification system 100 pure water water quality that booting is produced in next time is better than
The case where water purification system is setting raw water regulating valve 45 or waste water regulating valve 50；In the membrane filtration of the water purification system 100
The each Pure-water Making of core 10 and clean in the case where, on the raw water branch d of the water purification system 100 be arranged raw water regulating valve 45 with
And when waste water regulating valve 50 being arranged on waste pipe c, the pure water water quality that 100 next time of water purification system, booting was produced is best.
In order to facilitate the first flushing duration for controlling the membrane filter 10, in one embodiment of this invention, referring to figure 2.,
The water purification system 100 further includes the first TDS detection device 55 and the 2nd TDS detection device 60, the first TDS detection device
55 are installed on the waste pipe c, are used to detect waste water TDS value in the waste pipe c；The 2nd TDS detection device 60
It is installed on the raw water branch d, is used to detect the raw water TDS value in the raw water branch d；The controller also respectively with
The first TDS detection device 55 and the 2nd TDS detection device 60 are electrically connected, and the controller is according to described first
The testing result of TDS detection device 55 and the 2nd TDS detection device 60 controls the booster pump 20 and works.
Specifically, when the waste water TDS value of the first TDS detection device 55 detection is greater than the 2nd TDS detection device
The raw water TDS value of 60 detections, the controller controls the booster pump 20 and is kept open, to continue to the membrane filter 10
It is rinsed；It is detected when the waste water TDS value of the first TDS detection device 55 detection and the 2nd TDS detection device 60
When raw water TDS value is suitable, i.e., when the difference of the described waste water TDS value and the raw water TDS value is in the range of setting, the control
Device controls the booster pump 20 and stops working, and the water purification system 100 is in standby at this time.
It should be noted that according to mass conservation law it is found that when being rinsed to the membrane filter 10, the membrane filtration
The inflow of core 10 is equal with the water yield of the membrane filter 10, that is to say, that is entered inside the membrane filter 10
The sum of raw water amount and pure water amount will be equal to the pure water amount and the sum of wastewater flow rate of the membrane filter 10 discharge, and from the membrane filter 10
The discharge of pure water mouth pure water amount it is suitable with from the raw water mouth of the membrane filter 10 into the pure water amount in the membrane filter 10,
This allows for the raw water amount entered in the membrane filter 10 by the raw water branch d and giving up by waste pipe c discharge
Water is also comparable.Since the TDS value of the pure water is almost nil, when 10 inside of membrane filter, original remaining waste water is complete
After portion is flushed namely when being full of the mixing water being mixed to form by raw water and pure water inside the membrane filter 10, from the film
The TDS value and the TDS value of the raw water in the raw water tubes a of the waste water of the waste water mouth discharge of filter core 10 are roughly equal, therefore, can
To judge the membrane filtration by comparing the waste water TDS value in the TDS value of the raw water in the raw water tubes a and the waste pipe c
Whether the waste water inside core 10 is displaced completely, thus advantageously reduces the waste at water source.
It should be noted that the first TDS detection device 55 and the 2nd TDS detection device 60 only take described
When taps 25 are closed just unlatching or the first TDS detection device 55 and the 2nd TDS detection device 60 described
Intake switch 25 opening can't constantly work or the controller when the intake switch 25 is opened to described first
The signal that TDS detection device 55 and the 2nd TDS detection device 60 are sent is not responding to.
Obviously, the flushing duration of the membrane filter 10 is controlled for convenience, can also pass through the raw water branch by monitoring
The raw water total amount or controlled by the waste water total amount of waste pipe c discharge that road d is entered in the membrane filter 10.Specifically
, referring to figure 3., the water purification system 100 further includes flow detector 65, and the flow detector 65 is installed on described
On the raw water branch d or road the waste pipe c, the controller and the flow detector 65 are electrically connected, the control
Device processed controls the flow detector 65 at the end of 10 water processed of membrane filter, namely when the intake switch 25 is closed
It opens, and when the integrated flow value of the flow detector 65 detection reaches preset flow value, controls the booster pump 20
It closes.
It should be noted that the preset flow value can be set according to the water quality of 100 location of water purification system
, when the water purification system 100 be in water quality it is preferably regional when, the preset flow value can be set relatively small one
A bit, when the water purification system 100 is in the poor area of water quality, the preset flow value can be set relatively large one
A bit.
It is, of course, also possible to by the first flushing duration for setting the membrane filter 10, to determine the first punching of the membrane filter 10
Wash duration.Specifically, referring to figure 4., the water purification system 100 further includes timer 70, the timer 70 is for detecting institute
State the opening duration of flush switch；The controller and the timer 70 are electrically connected, and the controller is in the meter
When device 70 when detecting that the opening duration of the flushing valve 30 reaches preset duration, control the flushing valve 30 and booster pump 20 close
It closes.
It should be noted that the preset duration can be set according to the water quality of 100 location of water purification system,
When the water purification system 100 is in water quality preferably area, the preset duration be can be set more relatively small, work as institute
When stating water purification system 100 and being in the poor area of water quality, the preset duration value can be set more relatively large.
It is worth noting that, the flushing duration of the membrane filter 10 can also be determined by other conditions, herein just not
It enumerates.
In order to improve the pure water back-flow velocity in the water purification system 100, in one embodiment of this invention, by the punching
The water outlet for washing valve 30 is connected to the raw water tubes a of 20 upstream of booster pump.It should be noted that the booster pump 20 can not only
It is enough to pressurize to water, while the booster pump 20 can also drive water to flow in pipeline, due to going out for the flushing valve 30
Water end (W.E.) is connected to the raw water tubes a of 20 upstream of booster pump, this, which allows for the booster pump 20, can not only drive positioned at it
Raw water flowing in the raw water tubes a of upstream, while the flushing valve 30 can also be driven through and be back in the raw water tubes a
Pure water flowing, not only increases the speed of pure water reflux in this way, while can also be effectively prevented from raw water and pass through the flushing valve
30 problems entered in the pure water pipe b occur.
In view of the raw water branch d is connected to the water inlet end of the flushing valve 30, in order to avoid the pure water pipe b
Interior pure water flows into the raw water in the raw water branch d or in the raw water branch d and flows into the pure water pipe b, described net
Water system 100 further includes second one-way valve 75 and third check valve 80, and the second one-way valve 75 is installed on the raw water branch d
On, the water inlet end of the third check valve 80 is connected to the pure water pipe b, the water outlet of the third check valve 80 and the punching
Wash the water inlet end connection of valve 30.It is arranged such, it is ensured that the pure water in raw water and the pure water pipe b in the raw water branch d
It is independent of each other, to ensure that the raw water in the pure water and the raw water branch d in the pure water pipe b can be flowed into smoothly
In the membrane filter 10, and then convenient for being rinsed to the membrane filter 10.
In order to extend the service life of the membrane filter 10, in one embodiment of this invention, the water purification system 100 is also
Including front filter element 85, the front filter element 85 is installed on the raw water tubes a.It should be noted that the front filter element 85
Quantity can be one or more, the front filter element 85 can be PP cotton filter element, active carbon filter core or other have
The filter core of filtering function does not do specific restriction herein.Front filter element 85 is set before the membrane filter 10, and this makes it possible to have
Effect filters out large granular impurity in raw water, and then avoids granule foreign in raw water and be attached in the membrane filter 10, and
The problem of leading to the problem generation that the membrane filter 10 is blocked, and then shortening 10 service life of membrane filter appearance.
Preferably, the front filter element 85 is composite filter element, which includes non-woven fabrics, carbon fiber and three layers of PP cotton
It is compounded to form, i.e. the composite filter element set function of carbon fiber filter core and PP cotton filter element, namely with a filter core can replace two
A filter core, which reduces the quantity of front filter element 85, so that installation space required for entire water purification system 100 is more
It is small.
In order to promote the mouthfeel of pure water, in one embodiment of this invention, the water purification system 100 further includes postposition filter core
90, the postposition filter core 90 is serially connected on the pure water pipe b.It should be noted that the quantity of the front filter element 85 can be
One or more.The postposition filter core 90 can be active carbon filter core, active carbon filter core mainly using active carbon as primary raw material,
It can remove chlorine residue, peculiar smell etc. in water removal, while can also improve the mouthfeel of water, and then be conducive to be promoted the experience of user.
In order to improve the water rate processed of the water purification system 100, the water purification system 100 is additionally provided with return of waste water valve 95,
The water inlet end of the return of waste water valve 95 is connected to the waste pipe c, the water outlet of the return of waste water valve 95 and the pressurization
The raw water tubes a connection of 20 influent sides is pumped, the controller is also electrically connected with the return of waste water valve 95, to control the waste water
Return valve 95 turns on or off.
In 100 Pure-water Making of water purification system, the controller controls the return of waste water valve 95 and opens, so that
The waste water that the filtering of membrane filter 10 generates, which can be partly refluxed in the membrane filter 10, re-starts filtering, thus in a disguised form
The membrane filter 10 of reducing filter the wastewater flow rate that raw water is discharged so that the pure water amount produced of the membrane filter 10 with
The ratio between the wastewater flow rate that the filtering of membrane filter 10 generates increases, and then improves the water rate processed of the water purification system 100.Institute
At the end of stating the water processed of water purification system 100, the controller controls the return of waste water valve 95 and closes, and avoids so described useless
Waste water in water pipe c is back in the membrane filter 10 by the return of waste water valve 95 influences rushing for the membrane filter 10
It washes.
In another embodiment of the invention, referring to figure 5., the water purification system further includes the 4th check valve 96 and
Five check valves 97, wherein the 4th check valve 96 is installed on the raw water tubes a of 15 influent side of inlet water solenoid valve；It is described
The water inlet end of 5th check valve 97 is connected to the waste pipe c, the water outlet of the 5th check valve 97 and the water inlet electromagnetism
Raw water tubes a connection between valve 15 and the 4th check valve 97.
When 100 Pure-water Making of water purification system, the waste pipe c inner part waste water can be unidirectional by the described 5th
Valve 97 flows into the raw water tubes a, so that the waste water that the filtering of the membrane filter 10 generates can be partly refluxed to the membrane filtration
Filtering is re-started in core 10, thus the covert membrane filter 10 that reduces filters the wastewater flow rate that raw water is discharged, in turn
So that the ratio between the wastewater flow rate that the pure water amount that the membrane filter 10 is produced is generated with the membrane filter 10 filtering increases, and then improve
The water rate processed of the water purification system 100.When being rinsed to the membrane filter 10, since the inlet water solenoid valve 15 is
It closes, and the 4th check valve 96 is one-way conduction, this waste water allowed in the waste pipe c can not be back to
In the membrane filter 10.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all in the present invention
Inventive concept under, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/be used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (14)
1. a kind of water purification system characterized by comprising
Membrane filter is connected to the raw water mouth being connected to raw water tubes, the pure water mouth being connected to pure water pipe and with waste pipe useless
The mouth of a river；
Inlet water solenoid valve is installed on the raw water tubes；
Booster pump is installed on the raw water tubes between the membrane filter and the inlet water solenoid valve；
Intake switch is installed in the pure water pipe；
Flushing valve, the pure water pipe between water inlet end and the membrane filter and the intake switch are connected to, water outlet with it is described
Raw water tubes connection between inlet water solenoid valve and the membrane filter；And
Raw water branch, water inlet end are connected to raw water, and water outlet is connected to the water inlet end of the flushing valve.
2. water purification system as described in claim 1, which is characterized in that the water purification system further includes controller, the control
Device is electrically connected with the inlet water solenoid valve, the booster pump, the intake switch and the flushing valve, the controller
It when receiving the shutdown signal of the intake switch, controls the inlet water solenoid valve and closes, control the flushing valve and open, and
The booster pump is controlled to work on so that the pure water in the pure water pipe mixed with the raw water in the raw water branch it is latter same
It flows into the membrane filter, to be rinsed to the membrane filter.
3. water purification system as claimed in claim 2, which is characterized in that the water purification system further includes raw water regulating valve, described
Raw water regulating valve is installed on the raw water branch road；
The controller is also electrically connected with the raw water regulating valve, and the controller controls the raw water regulating valve work, with
Increase so that being back to the pure water amount in the membrane filter by the flushing valve.
4. water purification system as claimed in claim 2 or claim 3, which is characterized in that the water purification system further includes waste water regulating valve, institute
Waste water regulating valve is stated to be installed on the waste pipe；
The controller is also electrically connected with the waste water regulating valve, and the controller controls the waste water regulating valve work, with
Increase so that being back to the pure water amount in the membrane filter by the flushing valve.
5. water purification system as claimed in claim 2, which is characterized in that the water purification system further includes the first TDS detection device
With the 2nd TDS detection device, the first TDS detection device is installed on the waste pipe, the 2nd TDS detection device peace
Loaded on the raw water branch road；
The controller is also electrically connected with the first TDS detection device and the 2nd TDS detection device respectively, the controller
The pressurization pump work is controlled according to the testing result of the first TDS detection device and the 2nd TDS detection device.
6. water purification system as claimed in claim 2, which is characterized in that the water purification system further includes flow detector, institute
Flow detector is stated to be installed on the raw water branch or the waste pipe；
The controller and the flow detector are electrically connected, and the controller is according to the detection of the flow detector
As a result the pressurization pump work is controlled.
7. water purification system as claimed in claim 2, which is characterized in that the water purification system further includes timer, the timing
Device is used to detect the operating time of the flushing valve；
The controller is also electrically connected with the timer, and the controller controls institute according to the testing result of the timer
State pressurization pump work.
8. water purification system as claimed in claim 2, which is characterized in that the water purification system further includes pressure-detecting device, institute
It states in the pure water pipe that pressure-detecting device is installed between the membrane filter and the intake switch；
The controller is also electrically connected with the pressure-detecting device, and the controller is according to the inspection of the pressure-detecting device
It surveys result and controls the inlet water solenoid valve, the booster pump and flushing valve work.
9. water purification system as claimed in claim 8, which is characterized in that the water purification system further includes the first check valve, described
First check valve is installed in the pure water pipe between the pressure-detecting device and the membrane filter.
10. water purification system as described in claim 1, which is characterized in that the water outlet of the flushing valve and state booster pump upstream
Raw water tubes connection.
11. water purification system as described in claim 1, which is characterized in that the water purification system further includes second one-way valve and
Three check valves；Wherein,
The second one-way valve is installed on the raw water branch road；
The water inlet end of the third check valve is connected to the pure water pipe between the membrane filter and the intake switch, the third
The water outlet of check valve is connected to the water inlet end of the flushing valve.
12. water purification system as described in claim 1, which is characterized in that the water purification system further includes front filter element and postposition
Filter core, the front filter element are installed on the raw water tubes, and the postposition filter core is installed in the pure water pipe.
13. the water purification system as described in any one of claim 1 to 12, which is characterized in that the water purification system further includes
The water inlet end of return of waste water valve, the return of waste water valve is connected to the waste pipe, the water outlet of the return of waste water valve and institute
State the raw water tubes connection of booster pump influent side.
14. such as the water purification system as described in as described in any one of claim 1 to 12, which is characterized in that the water purification system is also
Including the 4th check valve and the 5th check valve；Wherein,
4th check valve is installed on the raw water tubes of the inlet water solenoid valve influent side；
The water inlet end that 5th check valve is installed on is connected to the waste pipe, the water outlet of the 5th check valve with it is described
Raw water tubes connection between inlet water solenoid valve and the 4th check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100938.9A CN110092490A (en) | 2018-01-30 | 2018-01-30 | Water purification system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810100938.9A CN110092490A (en) | 2018-01-30 | 2018-01-30 | Water purification system |
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| CN113929223A (en) * | 2020-06-29 | 2022-01-14 | 佛山市顺德区美的饮水机制造有限公司 | Water purification method of water purification system |
| CN114162995A (en) * | 2021-08-31 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114275854A (en) * | 2021-10-29 | 2022-04-05 | 珠海格力电器股份有限公司 | Positive and negative flushing water purification system and control method thereof |
| CN114506886A (en) * | 2022-01-20 | 2022-05-17 | 宁波佳音机电科技股份有限公司 | Water purification system and water purification control method |
| WO2022121678A1 (en) * | 2020-12-10 | 2022-06-16 | 追觅创新科技(苏州)有限公司 | Water purification system, water purifier, and water purifier control method |
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