CN106348395A - Water purification machine system and control method for controlling system - Google Patents

Water purification machine system and control method for controlling system Download PDF

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Publication number
CN106348395A
CN106348395A CN201610901726.1A CN201610901726A CN106348395A CN 106348395 A CN106348395 A CN 106348395A CN 201610901726 A CN201610901726 A CN 201610901726A CN 106348395 A CN106348395 A CN 106348395A
Authority
CN
China
Prior art keywords
water
filter
water purifier
concentrated
purifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610901726.1A
Other languages
Chinese (zh)
Inventor
秦利利
张细燕
李然
李一然
胡进华
周栋
张量
杨勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201610901726.1A priority Critical patent/CN106348395A/en
Publication of CN106348395A publication Critical patent/CN106348395A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/12Controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D65/00Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02Membrane cleaning or sterilisation ; Membrane regeneration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00Control of flow
    • G05D7/06Control of flow characterised by the use of electric means
    • G05D7/0617Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/40Liquid flow rate

Abstract

The invention provides a water purification machine system and a control method for controlling the system. The water purification machine system comprises a raw water opening, a first filter element, a pure water outlet and a concentrated water outlet, wherein raw water enters from the raw water opening and flows through the first filter element so as to be divided into pure water and concentrated water; and the pure water can be discharged from the pure water outlet; the concentrated water outlet can be discharged from the concentrated water outlet. The water purification machine system also comprises concentrated water backflow branches which are suitable for causing the concentrated water to flow back to the upper part of the first filter element. The water purification machine system has the beneficial effects that the alternate change of water quality states on a membrane surface of the filter element is realized by adopting an intermittent backflow water production mode; the effective washing of the membrane surface of the filter element is realized; the scaling risk is reduced; wastewater discharge is reduced; and the recovery rate of the system is improved.

Description

A kind of water purifier system and the control method for being controlled to this system
Technical field
The present invention relates to water purification field, more particularly, to a kind of water purifier system and the control for being controlled to this system Method.
Background technology
There is the phenomenon that the response rate is low, wastes water in existing water purifier system.Some water purifier systems are propped up by reducing concentrated water The waste water ratio on road is to reduce concentrated water drainage, thus reaching the purpose of raising system recycled in its entirety rate, but this mode is easily made Become the concentration polarization phenomenon of reverse osmosiss face, the easy fouling of face, reduce the service life of reverse osmosis membrane.
Content of the invention
In view of this, it is an object of the invention to provide a kind of water purifier system and for controlling party that this system is controlled Method, using such as discontinuous backflow controlling the water circulation pattern, realizes the alternate of filter element face water quality condition, filter element face is realized more Effectively wash away, reduce fouling risk, additionally it is possible to rinse water purifier system, and by optimizing system flush pattern and flushing Time, prolonging service life of filter elements.
It is an object of the present invention to provide a kind of water purifier system, employ the following technical solutions:
A kind of water purifier system, described water purifier system includes raw water mouth, the first filter element, pure water inlet and concentrated water and goes out Mouthful, raw water enters from described raw water mouth and flows through described first filter element and be separated into water purification and concentrated water, and water purification can be from described Pure water inlet is discharged, and concentrated water can export from described concentrated water and discharge, and described water purifier system also includes concentrate recirculation branch road, described Concentrate recirculation branch road is suitable to make concentrate recirculation to the upstream of described first filter element.
Preferably, described concentrate recirculation branch road opens and closes with gap.
Preferably, described concentrate recirculation branch road is provided with waste water proportioner and return flow solenoid valve, when described backflow When electromagnetic valve is opened, concentrated water in turn flows through described waste water proportioner and described return flow solenoid valve and is back to described first filter element Upstream.
Preferably, described first filter element is reverse osmosiss filter element, and described water purifier system also includes being arranged on described the The upstream of one filter element for water is carried out with pre-filtered second filter element.
Preferably, described second filter element includes three-level filter element, and described three-level filter element in turn includes from upstream to downstream: pp Cotton filter core, active carbon filter core, ultrafiltration membrane filter element;Or, ultrafiltration membrane filter element, active carbon filter core, pp cotton filter core.
Preferably, described water purifier system also includes the supercharging being arranged between described first filter element and described second filter element Pump, and the concentrate recirculation flowing back via described concentrate recirculation branch road is between described booster pump and described second filter element.
Preferably, described water purifier system also includes waste water ratio electromagnetic valve, and concentrated water can flow through described waste water ratio electromagnetic valve And export from described concentrated water and discharge.
Preferably, described water purifier system also includes the 3rd filter element for water is carried out with rearmounted filtration, from described first The water purification that filter element is isolated is discharged from described pure water inlet through the filtration further of described 3rd filter element.
Preferably, described water purifier system also includes high-voltage switch gear and pressure pot, isolates from described first filter element Another part of water purification flows through described high-voltage switch gear and is stored in described pressure pot.
It is a further object to provide a kind of control method for being controlled to described water purifier system, adopt With technical scheme below:
A kind of control method for being controlled to described water purifier system, described control method includes controlling the water circulation step Suddenly, in described controlling the water circulation step, in the case that the waste water ratio electromagnetic valve of described water purifier system is closed, make described concentrate recirculation Branch road was opened for first scheduled time off and on and was closed for second scheduled time.
Preferably, before described controlling the water circulation step, described control method includes initial flush step, in described initial flush In step, so that described concentrate recirculation branch road is closed and so that described waste water ratio electromagnetic valve is opened and so that waste water is exported from described concentrated water Discharge.
Preferably, after described controlling the water circulation step, described control method includes rear rinsing step, in the rear rinsing step In, so that described concentrate recirculation branch road is closed and so that described waste water ratio electromagnetic valve is opened and make waste water export row from described concentrated water Go out.
Preferably, after described controlling the water circulation step carries out pre-determined number, carry out once described rear rinsing step, then again with Described pre-determined number carries out described controlling the water circulation step, circulates successively, until described water purifier system closedown.
Preferably, described first scheduled time be 80 to 100 seconds, described second scheduled time be 15 to 30 seconds, described just The time of beginning rinsing step is 15 to 30 seconds, the time of described rear rinsing step is 5 to 10 seconds and/or described predetermined time Number is 2 to 5 times.
The water purifier system that the present invention provides is applied to single water quality water cleaning systems, is also applied for double water quality water cleaning systems, adopts With such as discontinuous backflow controlling the water circulation pattern, realize the alternate of filter element face water quality condition, filter element face is realized more effectively Wash away, reduce fouling risk, reduce discharge of wastewater, improve the system response rate.
Brief description
By the description to the embodiment of the present invention referring to the drawings, the above-mentioned and other purpose of the present invention, feature and Advantage will be apparent from, in the accompanying drawings:
Fig. 1 is a kind of water purifier system structure diagram involved in the present invention.
In figure: 1- air relief valve;2- second filter element;21- first order filter element;22- second level filter element;23- third level filter element;3- Low tension switch;4- entering water electromagnetic valve;5- booster pump;6- first filter element;7- non-return valve;8- high-voltage switch gear;9- pressure pot;10- Three filter elements;11- gooseneck faucet;12- waste water proportioner;13- return flow solenoid valve;14- waste water ratio electromagnetic valve;- raw water mouth;- net Water out;- concentrated water exports.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.
As shown in figure 1, the invention provides a kind of water purifier system, including raw water mouth, the first filter element 6, pure water inlet And concentrated water exports, raw water enters from raw water mouth and flows through the first filter element 6 and be separated into water purification and concentrated water, and water purification can Discharge from pure water inlet, concentrated water can export from concentrated water and discharge, and water purifier system also includes concentrate recirculation branch road, and concentrated water is returned Stream branch road is suitable to make concentrate recirculation to the upstream of the first filter element 6.Invention increases concentrate recirculation branch road, improve raw water and utilize Rate, reduces concentrated water discharge, improves the system response rate.
Further, concentrate recirculation branch road opens and closes with gap, realizes discontinuous backflow, i.e. backflow controlling the water circulation and not returning Stream controlling the water circulation is alternately.
Further, waste water proportioner 12 and return flow solenoid valve 13 are provided with concentrate recirculation branch road, when backflow electricity When magnet valve 13 is opened, concentrated water in turn waste water flowing proportioner 12 and return flow solenoid valve 13 and be back to the upstream of the first filter element 6. Flowed back by discontinuous, the effect that pulse is washed away is formed to the first filter element 6, reduce the risk of fouling.
Further, the first filter element 6 is reverse osmosiss filter element, and water purifier system also includes being arranged on the first filter element 6 Upstream for water is carried out with pre-filtered second filter element 2.Reverse osmosiss filter element can effectively remove calcium in raw water, magnesium, antibacterial, Organic substance, inorganic matters, metal ion and radioactive substance etc., and flowed back by discontinuous, reduce reverse osmosiss filter element fouling Risk;Raw water is carried out pretreatment by the second filter element 2, tentatively improves raw water quality.
Further, the second filter element 2 includes three-level filter element, and three-level filter element in turn includes from upstream to downstream: the filter of pp cotton Core, active carbon filter core, ultrafiltration membrane filter element;Or, ultrafiltration membrane filter element, active carbon filter core, pp cotton filter core.Pre- through three-level filter element Process, effective reverse osmosis membrane influent quality, extend the reverse osmosis membrane life-span.In one embodiment, three-level filter element includes first order filter Core 21, second level filter element 22, third level filter element 23, and be sequentially arranged from upstream to downstream, first order filter element 21 is filtered for pp cotton Core, second level filter element 22 are active carbon filter core, third level filter element 23 is ultrafiltration membrane filter element, and first order filter element 21 is ultrafiltration membrane filtration Core, second level filter element 22 are active carbon filter core, third level filter element 23 is pp cotton filter core.
Further, water purifier system also includes the booster pump 5 being arranged between the first filter element 6 and the second filter element 2, and The concentrate recirculation flowing back via concentrate recirculation branch road is between booster pump 5 and the second filter element 2.Raw water is located in advance through the second filter element 2 After reason, then after intensified pump 5 increase pressure, enter the first filter element 6.
Further, water purifier system also includes waste water ratio electromagnetic valve 14, concentrated water can waste water flowing than electromagnetic valve 14 Export from concentrated water and discharge.When waste water ratio electromagnetic valve 14 is opened, the pipeline discharging concentrated water is the discharge of concentrated water draining branch road Larger, the abundant flushing to water purifier system can be realized, water purifier system can be extended, especially as rinsing branch road It is the service life of the second filter element;When waste water ratio electromagnetic valve 14 is closed, can use as waste water ratio, draining branch road Discharge is less, for discharging concentrated water.
Further, water purifier system also includes the 3rd filter element 10 for water is carried out with rearmounted filtration, from the first filter element 6 The water purification isolated is discharged from pure water inlet through the filtration further of the 3rd filter element 10.3rd filter element 10 can preferably change The mouthfeel of kind water.
Further, water purifier system also includes high-voltage switch gear 8 and pressure pot 9, the water purification isolated from the first filter element 6 Another part flow through high-voltage switch gear 8 and be stored in pressure pot 9.Pressure pot 9 is used for storing water purification, when user needs to use When, water purification is discharged, solve raw water obtain after the first filter element 6 water purification less it is difficult to meet asking of user's use requirement Topic.
The water purifier system that the present invention provides is applied to single, double water quality water cleaning systems, and Fig. 1 show single water quality water purification system System, during use, raw water enters from raw water mouth, enters first order filter element 21 and second level filter element 22 through air relief valve 1, by low pressure Switch 3, entering water electromagnetic valve 4, third level filter element 23;The raw water of premenstrual three-level filter element pretreatment enters the first filter through booster pump 5 Core 6, is separated into water purification and concentrated water through the profound water processing of the first filter element 6.Wherein, water purification branch road is divided into two, and one leads to Cross high-voltage switch gear 8 and enter pressure pot 9;Another is passed through the 3rd filter element 10 and gooseneck faucet 11, discharges from pure water inlet, for Family uses.Concentrated water wherein one after waste water ratio electromagnetic valve 14 from concentrated water export discharge, another through waste water proportioner 12, return Manifold solenoid valve 13 is back between third level filter element 23 and booster pump 5.
Present invention also offers a kind of control method for being controlled to described water purifier system, comprising:
(1) initial flush:
During water purifier system electrification, waste water ratio electromagnetic valve 14 energising is opened, and return flow solenoid valve 13 power-off is closed, and that is, concentrated water is returned Stream branch road is closed, and waste water is discharged from waste water ratio electromagnetic valve 14, and washing time is a second.Because waste water ratio electromagnetic valve 14 is opened, concentrated water The discharge of draining branch road is larger, as rinsing branch road, water purifier system is fully rinsed.
(2) controlling the water circulation:
Step one, return flow solenoid valve 13 energising is opened, and concentrate recirculation branch road is opened, and waste water ratio electromagnetic valve 14 power-off is closed, Use as waste water ratio.For example, for 50 gallons of water purifiers, for reaching the purpose increasing filter element crossflow velocity it is preferable that concentrated water In backflow branch road, the flow of waste water proportioner is 600~800ml/min, and the time that step one is carried out is set as that the b second, (first made a reservation for Time).
In step one, the concentrated water isolated from the first filter element 6 is divided into two, flows to concentrated water draining branch road respectively and concentrated water is returned Stream branch road.
Step 2, return flow solenoid valve 13 power-off is closed, and system does not flow back, and waste water ratio electromagnetic valve 14 power-off is closed, as useless Water is than use.For example, for 50 gallons of water purifiers, for reaching the purpose of system high-recovery it is preferable that during power-off, waste water ratio The flow of electromagnetic valve 16 is 130~260ml/min, and the time that step 2 is carried out is set as c second (second scheduled time).
In step 2, the concentrated water isolated from the first filter element 6 flows to concentrated water drainage water branch road, and exports discharge by concentrated water.
During water purifier system controlling the water circulation, from step at the beginning, often completing step one and step 2 is a cycle, so follows Ring.
(3) rinse afterwards:
Waste water ratio electromagnetic valve 14 energising is opened, and return flow solenoid valve 13 power-off is closed, and waste water is discharged from waste water ratio electromagnetic valve 14. For reaching the purpose of high-efficiency water-saving, on the premise of not affecting developing result, reduce the amount of flushing water as far as possible, therefore set and rinse rank Section is carried out after often completing n water processed cycle.The rinse stage time is set as the d second.Wherein, 15 < a≤30,80≤b≤100, 15≤c≤30,5 < d≤10,2≤n≤5.
Afterwards in rinsing step, the concentrated water isolated from the first filter element 6 flows to concentrated water drainage water branch road, due to waste water ratio electromagnetic valve 14 energisings are opened, and current are larger, can fully be rinsed water purifier system.
A kind of water purifier system and the control method for being controlled to this system that the present invention provides, dense by arranging Water backflow branch road, and adopted with discontinuous backflow controlling the water circulation pattern it is achieved that concentrate recirculation, realize the friendship of filter element face water quality condition For change, reduce fouling risk;Branch road is rinsed by setting, system flush pattern and washing time can be optimized, extend filter element Membrane lifetime, realizes more effectively washing away to filter element face, reduces discharge of wastewater, improve the water purifier system response rate, improves raw water profit With rate.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art For, the present invention can have various change and change.All any modifications made within spirit and principles of the present invention, equivalent Replace, improve etc., should be included within the scope of the present invention.

Claims (14)

1. a kind of water purifier system, described water purifier system includes raw water mouth, the first filter element, pure water inlet and concentrated water outlet, Raw water enters from described raw water mouth and flows through described first filter element and be separated into water purification and concentrated water, and water purification can be from described water purification Outlet is discharged, and concentrated water can export from described concentrated water and discharge it is characterised in that described water purifier system also includes concentrate recirculation props up Road, described concentrate recirculation branch road is suitable to make concentrate recirculation to the upstream of described first filter element.
2. water purifier system according to claim 1 is it is characterised in that on an off beaten with gap by described concentrate recirculation branch road Close.
3. water purifier system according to claim 2 is it is characterised in that be provided with waste water on described concentrate recirculation branch road Proportioner and return flow solenoid valve, when described return flow solenoid valve is opened, concentrated water in turn flows through described waste water proportioner and institute State return flow solenoid valve and be back to the upstream of described first filter element.
4. water purifier system according to any one of claim 1 to 3 is it is characterised in that described first filter element is reverse osmosis Filter core, and described water purifier system also includes being arranged on the pre-filtered for carrying out of the upstream of described first filter element to water Second filter element.
5. water purifier system according to claim 4 is it is characterised in that described second filter element includes three-level filter element, described Three-level filter element in turn includes from upstream to downstream: pp cotton filter core, active carbon filter core, ultrafiltration membrane filter element;Or, ultrafiltration membrane filtration Core, active carbon filter core, pp cotton filter core.
6. water purifier system according to claim 4 it is characterised in that described water purifier system also include being arranged on described Booster pump between first filter element and described second filter element, and the concentrate recirculation flowing back via described concentrate recirculation branch road is extremely Between described booster pump and described second filter element.
7. water purifier system according to any one of claim 1 to 3 is it is characterised in that described water purifier system is also wrapped Include waste water ratio electromagnetic valve, concentrated water can flow through described waste water ratio electromagnetic valve and export from described concentrated water and discharge.
8. water purifier system according to any one of claim 1 to 3 is it is characterised in that described water purifier system is also wrapped Include the 3rd filter element for water is carried out with rearmounted filtration, the water purification isolated from described first filter element is through described 3rd filter element Filter further and discharge from described pure water inlet.
9. water purifier system according to claim 8 it is characterised in that described water purifier system also include high-voltage switch gear with And pressure pot, the another part of the water purification isolated from described first filter element flows through described high-voltage switch gear and is stored in described pressure In bucket.
10. a kind of control method for being controlled to water purifier system as claimed in any one of claims 1-9 wherein, its It is characterised by, described control method includes controlling the water circulation step, in described controlling the water circulation step, in the waste water ratio electricity of described water purifier system In the case that magnet valve is closed, described concentrate recirculation branch road is made to open for first scheduled time off and on and close for second scheduled time.
11. control methods according to claim 10 it is characterised in that before described controlling the water circulation step, described controlling party Method includes initial flush step, in described initial flush step, so that described concentrate recirculation branch road is closed and make described waste water Open than electromagnetic valve and so that waste water is exported from described concentrated water and discharge.
12. control methods according to claim 11 it is characterised in that after described controlling the water circulation step, described controlling party Method includes rear rinsing step, in the rear in rinsing step, so that described concentrate recirculation branch road is closed and makes described waste water ratio electricity Magnet valve is opened and so that waste water is exported from described concentrated water and discharge.
13. control methods according to claim 12 it is characterised in that described controlling the water circulation step carry out pre-determined number it Afterwards, carry out once described rear rinsing step, then more described controlling the water circulation step is carried out with described pre-determined number, circulate successively, until Described water purifier system closedown.
14. control methods according to claim 13 it is characterised in that described first scheduled time be 80 to 100 seconds, institute State second scheduled time be 15 to 30 seconds, the time of described initial flush step be 15 to 30 seconds, described rear rinsing step when Between be 2 to 5 times for 5 to 10 seconds and/or described pre-determined number.
CN201610901726.1A 2016-10-17 2016-10-17 Water purification machine system and control method for controlling system Pending CN106348395A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610901726.1A CN106348395A (en) 2016-10-17 2016-10-17 Water purification machine system and control method for controlling system

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Application Number Priority Date Filing Date Title
CN201610901726.1A CN106348395A (en) 2016-10-17 2016-10-17 Water purification machine system and control method for controlling system

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110655213A (en) * 2018-05-30 2020-01-07 艾欧史密斯(中国)环境电器有限公司 Water purifier and control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110655213A (en) * 2018-05-30 2020-01-07 艾欧史密斯(中国)环境电器有限公司 Water purifier and control method

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