CN109095632A - Water treatment system, water treatment facilities and control method - Google Patents
Water treatment system, water treatment facilities and control method Download PDFInfo
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- CN109095632A CN109095632A CN201810975641.7A CN201810975641A CN109095632A CN 109095632 A CN109095632 A CN 109095632A CN 201810975641 A CN201810975641 A CN 201810975641A CN 109095632 A CN109095632 A CN 109095632A
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- water
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- membrane filter
- treatment system
- water treatment
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- 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
- C02F1/44—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
- C02F2209/03—Pressure
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- 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
- C02F2209/40—Liquid flow rate
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of water treatment systems, water treatment facilities and control method, water treatment system includes composite filter element and membrane filter, prefilter unit and postposition filter element are provided in composite filter element, the water outlet of prefilter unit is connected to through the first connection branch with the water inlet of membrane filter, the water purification outlet of membrane filter is connected to through the second connection branch with the water inlet of postposition filter element, the concentrated water outlet of membrane filter is connected to concentrated water branch, the concentrated water that concentrated water branch is used to generate membrane filter is discharged, the first water quality monitoring element is provided on the upstream lateral line of membrane filter, concentrated water branch road is provided with flow regulator, for adjusting the water flow of concentrated water branch.Water treatment system provided by the invention can automate according to real-time water quality situation and adjust waste water ratio, realize the on-demand water processed of water treatment facilities, have environment protection significance of saving water and energy, and simple and reasonable for structure, easy for installation, improve assembly efficiency.
Description
Technical field
The present invention relates to water-treatment technology field, especially a kind of water treatment system, water treatment facilities and control method.
Background technique
Currently, water purifier has become essential in life since quality problem and people's lives level step up
One of household electrical appliance.But in existing water purifier, water purification system generally comprises reverse osmosis membrane filter element, in order to further protect
Reverse osmosis membrane filter element is protected, front filter element is arranged generally in prefilter water route, and (front filter element can be described as pre-treatment or pretreatment
Filter core belongs to coarse filtration, is mainly made of PAC or pp cotton filter core and preposition activated charcoal filtrate), in order to further improve water quality,
More preferably mouthfeel is obtained, generally (postposition filter core can be described as post-processing setting postposition filter core, be typically in essence in postposition filtering water route
The water route rear of filtering, mainly postposition composite filter element or active carbon, ultrafiltration).But above-mentioned front filter element and postposition filter core
It is two independent individuals, causes water purifier overall volume to increase, and be unfavorable for installing.And reverse osmosis water purifier is in water process processed
In can generate a large amount of waste water, waste great lot of water resources, and water-saving water purifier on the market, be the ratio by reducing waste water and pure water
Example will increase the burden of reverse osmosis membrane filter element, the service life of serious curtailment reverse osmosis membrane filter element come what is realized in this way.
Summary of the invention
In view of this, one of the objects of the present invention is to provide a kind of water treatment system and being provided with the water treatment system
Water treatment facilities and control method, the water treatment system is simple and reasonable for structure, easy for installation, improves assembly efficiency and can be real
Existing effect is water-saving.
In order to achieve the above objectives, on the one hand, the present invention adopts the following technical scheme:
A kind of water treatment system, including composite filter element and membrane filter are provided with prefilter unit in the composite filter element
Connect with the water outlet of postposition filter element, the prefilter unit through the water inlet of the first connection branch and the membrane filter
Logical, the water purification outlet of the membrane filter is connected to through the second connection branch with the water inlet of the postposition filter element, the membrane filtration
The concentrated water outlet of core is connected to concentrated water branch, and the concentrated water that the concentrated water branch is used to generate the membrane filter is discharged,
Wherein, the first water quality monitoring element, the concentrated water branch road are provided on the upstream lateral line of the membrane filter
It is provided with flow regulator, for adjusting the water flow of the concentrated water branch.
Preferably, the water inlet of the prefilter unit is connected to raw water branch, and the first water quality monitoring element is set
It sets on raw water branch road.
Preferably, the second water quality monitoring element is provided on the pipeline in the downstream side of the membrane filter.
Preferably, the first water quality monitoring element and/or the second water quality monitoring element include monitoring portion and temperature-sensitive
Portion, the monitoring portion is for monitoring water quality, and the temperature-sensitive portion is for sensing water temperature.
Preferably, the first connected component road is provided with stabilized pressure pump and/or the first control valve, and first control valve is used
In the opening and closing for controlling the first connection branch.
Preferably, the water outlet of the postposition filter element is connected to pure water branch, is handled through the postposition filter element
The pure water crossed is discharged through the pure water branch；And/or
The water outlet of the prefilter unit is also connected to water purification branch, and being used for will be through the prefilter cell processing
The water purification discharge crossed.
Preferably, the pure water branch road is provided with flow detecting element and/or pressure detecting element.
Preferably, the flow regulator includes adjustable waste water ratio solenoid valve.
On the other hand, the present invention adopts the following technical scheme:
A kind of water treatment facilities, including shell and setting are in the intracorporal water treatment system as described above of shell, the shell
Including side wall, opening is provided on the side wall, the composite filter element and membrane filter can be inserted into the shell from the opening
It extracts out in vivo or out of described shell.
Preferably, the water treatment facilities includes integrating water route plate, the water route in addition to the composite filter element and membrane filter
It is arranged on the integrating water route plate with detecting element, the water on the composite filter element and membrane filter and the integrating water route plate
Road is connected.
On the other hand, the present invention adopts the following technical scheme:
A kind of control method of water treatment system as described above, according to the monitoring result of the first water quality monitoring element
The flow regulator is controlled, to adjust the water flow of the concentrated water branch.
Preferably, the flow regulator is waste water ratio solenoid valve, and the first water quality monitoring element is used for detection stream
TDS value through its water, the waste water ratio solenoid valve have multiple waste water ratio grades, and each waste water ratio grade corresponds to different
TDS value range, the method that the flow regulator is controlled according to the monitoring result of the first water quality monitoring element
Include:
Judge TDS value range belonging to the TDS value of the first water quality monitoring element testing,
The corresponding waste water ratio grade of TDS value range belonging to determining,
The waste water ratio solenoid valve is adjusted to the determining waste water ratio grade.
A kind of water treatment system and control method provided by the invention and the water treatment facilities for being provided with the water treatment system,
The water treatment system is provided with water quality monitoring element on the upstream lateral line of membrane filter, is provided with flow tune on concentrated water branch road
Regulating device, the real-time water quality situation control flow regulator that so, it is possible to be monitored according to water quality monitoring element carry out concentrated water branch
The adjusting of the water flow on road realizes the on-demand water processed of water treatment facilities to realize that automation adjusts waste water ratio, has water-saving section
Energy environment protection significance, and it is simple and reasonable for structure, it is easy for installation, improve assembly efficiency.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows the schematic illustration of the water treatment system of specific embodiment of the invention offer.
In figure,
1, composite filter element；2, membrane filter；3, the first connection branch；31, stabilized pressure pump；32, the first control valve；4, the second connection
Branch；41, the second water quality monitoring element；42, check valve；5, concentrated water branch；51, flow regulator；6, raw water branch；61,
First water quality monitoring element；7, pure water branch；71, flow detecting element；72, pressure detecting element；8, water purification branch.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
Text is detailed to describe some specific detail sections in datail description of the invention.Do not have for a person skilled in the art
The present invention can also be understood completely in the description of these detail sections.In order to avoid obscuring essence of the invention, well known method, mistake
There is no narrations in detail for journey, process, element.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
This application provides the water treatment facilities of a kind of water treatment system and the application water treatment system, such as water process
Device is water purifier, as shown in Figure 1, the water treatment system includes composite filter element 1 and membrane filter 2, setting in the composite filter element 1
There are prefilter unit and postposition filter element, the unit of prefilter can be PP (polypropylene)+preposition activated charcoal, or
PAC (carbon fiber) filter core or other filter core forms, postposition filter element can be ultrafiltration+post active carbon, be also possible to it
His filter core form can reduce filter core quantity by composite filter element 1 and change that core is convenient, simplifies water purification system, realize water purifier volume
Miniaturization, can be reduced user to a certain extent changes core frequency and cost, and the water outlet of the prefilter unit connects through first
Logical branch 3 be connected to the water inlet of the membrane filter 2, the water purification outlet of the membrane filter 2 through second be connected to branch 4 with it is described after
The water inlet connection of filter element is set, concentrated water outlet is provided on the membrane filter 2, concentrated water outlet is connected to concentrated water branch 5, institute
Concentrated water of the concentrated water branch 5 for generating the membrane filter 2 is stated to be discharged.Wherein, it is set on the upstream lateral line of the membrane filter 2
It is equipped with the first water quality monitoring element 61, is provided with flow regulator 51 on the concentrated water branch 5, for adjusting the concentrated water branch
The water flow on road 5, the flow regulator 51 can be adjustable waste water ratio solenoid valve, and different regions water quality situation is different, can
Adjust waste water ratio solenoid valve can by the first water quality monitoring element 61 feed back come water quality information (such as raw water TDS, turbidity, hardness,
Basicity etc.) it automatically adjusts, when raw water quality is poor, waste water ratio is turned up by flow regulator 51 for system, is come
Membrane filter 2 is protected, when raw water quality is preferable, system is turned down waste water ratio by flow regulator 51, reduces waste water, section
About water resource.Whole system automates the function of adjusting waste water ratio according to real-time water quality situation, realizes the on-demand of water treatment facilities
Water processed has environment protection significance of saving water and energy.
Preferably, as shown in Figure 1, the water inlet of the prefilter unit is connected to raw water branch 6, the raw water branch
6 for inputting raw water to the prefilter unit, and the first water quality monitoring element 61 is arranged on the raw water branch 6,
For detecting the water quality of raw water, which can carry out certainly according to the water quality situation that the first water quality monitoring element 61 detects
It is dynamic to adjust, to expand the adaptation range of the water treatment system, meet the needs of different regions, different user.
Further, the second water quality monitoring element 41 is provided on the pipeline in the downstream side of the membrane filter 2, it is preferable that
As shown in Figure 1, the setting of the second water quality monitoring element 41 is connected on branch 4 second, the first water quality monitoring element 61
And/or the second water quality monitoring element 41 includes monitoring portion and temperature-sensitive portion, the monitoring portion is for monitoring water quality, the temperature-sensitive
Portion is for sensing water temperature.Preferably, the first water quality monitoring element 61 and the second water quality monitoring element 41 are configured to TDS
(total dissolved solidss) probe band temperature-sensitive pack arrangement, reduces components, facilitates installation.
As shown in Figure 1, stabilized pressure pump 31 and the first control valve 32 are provided on the first connection branch 3, first control
Valve 32 is used to control the opening and closing of the first connection branch 3, such as the first control valve 32 is solenoid valve.It is preferred that in the second connected component
Check valve 42 is additionally provided on road 4, wherein the check valve 42 be arranged in the membrane filter 2 water purification outlet and the postposition
Between the water inlet of filter element, for limiting flowing of the water from the postposition filter element to the membrane filter 2, only allow water
The water inlet of the postposition filter element is flowed to, from the water purification outlet of the membrane filter 2 to ensure the normal of the water treatment system
It uses.
It is provided with pure water branch 7 on the postposition filter element water outlet, it is processed pure through the postposition filter element
Water is discharged through the pure water branch 7, tap is arranged on pure water branch 7, user is by opening the i.e. desirable pure water of tap.Separately
Outside, the water outlet of the prefilter unit is also connected to water purification branch 8, for what will be crossed through the prefilter cell processing
Tap is arranged in water purification branch 8 in water purification discharge, and user is by opening the i.e. desirable water purification of tap, using water purification branch 8 and pure
Double outlet systems of water branch 7 can preferably meet the different demands of user, promote user experience.
Flow detecting element 71 and pressure detecting element 72, the flow detecting element are provided on the pure water branch 7
71, for example, flowmeter record water amount by real-time detection pulse number, to sentence to the service life of composite filter element 1
It is disconnected, it expires and user is reminded to replace filter core, be convenient for the user to use.The pressure detecting element 72 is for controlling the pure water branch
7 discharge pressure, such as can be high-voltage switch gear, ensure there is enough hydraulic pressure in pure water branch 7 by high-voltage switch gear.
In a specific embodiment, as shown in Figure 1, by the pretreated raw water of prefilter unit in the first connected component
Enter in membrane filter 2 after the first control valve 32, stabilized pressure pump 31 on road 3 and carries out profound processing, the moisture handled through membrane filter 2
For water purification and concentrated water (subsequent to be described), wherein water purification passes through check valve 42, the second water quality prison on the second connection branch 4
The postposition filter element for entering composite filter element 1 after survey element 41 is handled, and treated, and water passes through the connection tap confession of pure water branch 7
User uses.Wherein, when the discharge pressure of pure water branch 7 is lower than the low level pressure value that pressure detecting element 72 is set, pressure
Detecting element 72 acts, and signal is fed back to mainboard control device, the first control valve 32 is opened, and stabilized pressure pump 31 starts, and system is opened
Begin water processed, when pure water internal pressure reaches the high-pressure value that pressure detecting element 72 is set, the first control valve of process control
32 and stabilized pressure pump 31 close, system stops water processed.Flow detecting element 71 records water amount by real-time detection pulse number,
To judge the service life of composite filter element 1 and membrane filter 2, expires and user is reminded to replace filter core.
The present invention also provides a kind of water treatment facilities, including shell and water treatment system as described above, the water process systems
System is arranged in shell, and shell includes side wall, opening is provided on the side wall, the composite filter element 1 and membrane filter 2 can
It is inserted into the shell from the opening or is extracted out out of described shell, by the mounting structure of side-extract type, so that composite filter
The installation and replacement of core 1 and membrane filter 2 are more efficient, which is additionally provided with display module, for showing described
The testing result of one water quality monitoring element 61, the second water quality monitoring element 41 facilitates the more intuitive observation water quality of user.It is excellent
Choosing, composite filter element 1 are arranged in the downside of the membrane filter 2, and the downside of membrane filter 2 is the display area of display module, at the water
The integral layout for managing device is reasonable, and interface is more intuitive for whole operating with, and facilitates the observation and operation of user, more preferably
The water treatment facilities is additionally provided with reminding module, according to the information that coherent detection element testing arrives in water treatment system, by this
Reminding module reminds the replacement information of prefilter unit described in user or postposition filter element.For more convenient water process
The whole control of device, which is additionally provided with integrating water route plate, in addition to the composite filter element 1 and membrane filter 2
Water route and detecting element are arranged on the integrating water route plate, the composite filter element 1 and membrane filter 2 and the integrating water route plate
On water route be connected, efficiently integrated and installation convenience largely reduces waterway connector quantity, reduces leak risk, synchronous
The volume miniaturization for realizing water treatment facilities, preferably meets user demand.
Further, the present invention also provides a kind of control method of water treatment system as described above, according to described the
The monitoring result of one water quality monitoring element 61 controls the flow regulator 51, to adjust the concentrated water branch 5
Water flow.
In a specific embodiment, flow regulator 51 is waste water ratio solenoid valve, the first water quality monitoring element 61
For detecting the TDS value for flowing through its water, waste water ratio solenoid valve has multiple waste water ratio grades, and each waste water ratio grade is corresponding not
With TDS value range, include: according to the method that the monitoring result of the first water quality monitoring element controls flow regulator
Judge TDS value range belonging to the TDS value of the first water quality monitoring element 61 detection,
The corresponding waste water ratio grade of TDS value range belonging to determining,
Waste water ratio solenoid valve is adjusted to determining waste water ratio grade, to reach the mesh according to water quality adjustment wastewater flow
's.
In a preferred embodiment, the waste water ratio grade of waste water ratio solenoid valve include grade A, grade B, grade C, etc.
Grade D and grade E, wherein the waste water ratio of grade A is 1:2, my 1:1.5 of the waste water ratio of grade B, the waste water ratio of grade C is 1:1, etc.
The waste water ratio of grade D is 1.5:1, and the waste water ratio of grade E is 2:1, when detecting that TDS value is greater than N1, adjusts waste water ratio solenoid valve,
Waste water ratio is adjusted to A rank；When detecting that TDS value is less than or equal to N1 greater than N2, waste water ratio solenoid valve is adjusted, by waste water
B rank is arrived than adjusting；When detecting that TDS value is less than or equal to N2 greater than N3, waste water ratio solenoid valve is adjusted, waste water ratio is adjusted
To C rank；When detecting that TDS value is less than or equal to N3 greater than N4, waste water ratio solenoid valve is adjusted, waste water ratio is adjusted to D grades
Not；When detecting that TDS value is less than or equal to N4, waste water ratio solenoid valve is adjusted, waste water ratio is adjusted to E rank, 450ppm≤
N1≤550ppm, N1 are preferably 500ppm, and 300ppm≤N2≤400ppm, N2 are preferably 350ppm, and 150ppm≤N3≤
250ppm, N3 are preferably 200ppm, and 30ppm≤N4≤100ppm, N4 are preferably 50ppm.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from of the invention basic
In the case where principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details is made
It changes, is all included in scope of the presently claimed invention.
Claims (12)
1. a kind of water treatment system, which is characterized in that including composite filter element and membrane filter, be provided in the composite filter element preposition
Filter element and postposition filter element, the water outlet of the prefilter unit enter through the first connection branch and the membrane filter
The water purification outlet of mouth of a river connection, the membrane filter is connected to through the second connection branch with the water inlet of the postposition filter element, institute
The concentrated water outlet for stating membrane filter is connected to concentrated water branch, and the concentrated water that the concentrated water branch is used to generate the membrane filter is discharged,
Wherein, the first water quality monitoring element is provided on the upstream lateral line of the membrane filter, the concentrated water branch road is arranged
There is flow regulator, for adjusting the water flow of the concentrated water branch.
2. water treatment system according to claim 1, which is characterized in that the water inlet and raw water of the prefilter unit
Branch connection, the first water quality monitoring element are arranged on raw water branch road.
3. water treatment system according to claim 2, which is characterized in that be arranged on the pipeline in the downstream side of the membrane filter
There is the second water quality monitoring element.
4. water treatment system according to claim 3, which is characterized in that the first water quality monitoring element and/or described
Second water quality monitoring element includes monitoring portion and temperature-sensitive portion, and the monitoring portion is for monitoring water quality, and the temperature-sensitive portion is for sensing
Water temperature.
5. water treatment system according to claim 1, which is characterized in that the first connected component road is provided with stabilized pressure pump
And/or first control valve, first control valve are used to control the opening and closing of the first connection branch.
6. water treatment system according to claim 1, which is characterized in that the water outlet and pure water of the postposition filter element
Branch connection, is discharged through the processed pure water of postposition filter element through the pure water branch；And/or
The water outlet of the prefilter unit is also connected to water purification branch, for what will be crossed through the prefilter cell processing
Water purification discharge.
7. water treatment system according to claim 6, which is characterized in that the pure water branch road is provided with flow detection member
Part and/or pressure detecting element.
8. according to claim 1 to water treatment system described in one of 7, which is characterized in that the flow regulator includes can
Adjust waste water ratio solenoid valve.
9. a kind of water treatment facilities, which is characterized in that including shell and be arranged in described in one of intracorporal claim 1-8 of shell
Water treatment system, the shell include side wall, are provided with opening on the side wall, and the composite filter element and membrane filter can be from
The opening is inserted into the shell or is extracted out out of described shell.
10. water treatment facilities according to claim 9, which is characterized in that the water treatment facilities includes integrating water route plate,
Water route and detecting element in addition to the composite filter element and membrane filter are arranged on the integrating water route plate, the composite filter
Core and membrane filter are connected with the water route on the integrating water route plate.
11. a kind of control method of the water treatment system as described in one of claim 1 to 8, which is characterized in that according to described
The monitoring result of one water quality monitoring element controls the flow regulator, to adjust the water flow of the concentrated water branch
Amount.
12. control method according to claim 11, which is characterized in that the flow regulator is waste water ratio electromagnetism
Valve, the first water quality monitoring element are used to detect the TDS value for the water for flowing through it, and the waste water ratio solenoid valve has multiple waste water
Than grade, each waste water ratio grade corresponds to different TDS value ranges, according to the monitoring result pair of the first water quality monitoring element
The method that the flow regulator is controlled includes:
Judge TDS value range belonging to the TDS value of the first water quality monitoring element testing,
The corresponding waste water ratio grade of TDS value range belonging to determining,
The waste water ratio solenoid valve is adjusted to the determining waste water ratio grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810975641.7A CN109095632A (en) | 2018-08-24 | 2018-08-24 | Water treatment system, water treatment facilities and control method |
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| CN201810975641.7A CN109095632A (en) | 2018-08-24 | 2018-08-24 | Water treatment system, water treatment facilities and control method |
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Family
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| CN201810975641.7A Pending CN109095632A (en) | 2018-08-24 | 2018-08-24 | Water treatment system, water treatment facilities and control method |
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| CN112456670A (en) * | 2020-12-14 | 2021-03-09 | 珠海格力电器股份有限公司 | Water purifying device and water purifying system |
| CN114314759A (en) * | 2021-12-15 | 2022-04-12 | 珠海格力电器股份有限公司 | Ozone water preparation system and preparation method thereof |
| CN114314759B (en) * | 2021-12-15 | 2023-11-28 | 珠海格力电器股份有限公司 | Ozone water preparation system and preparation method thereof |
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