CN2813593Y - Automatic backwashing structure for reverse osmosis membrane of domestic water purifier - Google Patents

Automatic backwashing structure for reverse osmosis membrane of domestic water purifier Download PDF

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Publication number
CN2813593Y
CN2813593Y CN 200520014255 CN200520014255U CN2813593Y CN 2813593 Y CN2813593 Y CN 2813593Y CN 200520014255 CN200520014255 CN 200520014255 CN 200520014255 U CN200520014255 U CN 200520014255U CN 2813593 Y CN2813593 Y CN 2813593Y
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water
reverse osmosis
counterflush
topping
pipeline
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CN 200520014255
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王建辉
陈义
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Abstract

The automatic backwash structure of domestic water purifying machine reverse osmosis membrane, form the water making pipe road by entering water electromagnetic valve, system water solenoid valve and condensed water discharge solenoid valve and connecting tube thereof, form the backwashing water pipeline by the counterflush magnetic valve and the connecting tube thereof that are connected between the counterflush magnetic valve that is connected between the counterflush magnetic valve that is connected between reverse osmosis filter water-in and the waste water proportioner water outlet, topping-up pump water-in and the water storage pressure pot, topping-up pump water outlet and the reverse osmosis filter condensed water water outlet.Utilize the pure water in the water storage pressure pot that the reverse osmosis membrane in the reverse osmosis filter is carried out counterflush, when implementing counterflush the trapped substance of the film surface of reverse osmosis membrane is gone out discharging, the wash-down water that enters is because be pure water, flushing thoroughly, developing result is remarkable, can effectively prolong the life-span of reverse osmosis membrane, reduce running cost, improve the benefit of domestic water purifying machine.

Description

The automatic backwash structure of domestic water purifying machine reverse osmosis membrane
Technical field
The utility model relates to a kind of flushing mechanism of domestic water purifying machine reverse osmosis membrane, particularly a kind of back-flushing structure of domestic water purifying machine reverse osmosis membrane.Belong to technical filed of drinking water purifying treatment.
Background technology
Commercially available domestic water purifying machine is the membrane type reverse-osmosis treated terminal purifier that tap water is carried out the secondary deep purifying treatment at present, and the pure water that can directly drink raw is provided to people.As everyone knows, the general system current journey of reverse osmosis water purification machine as shown in Figure 2.
Reverse osmosis filter is made up of reverse osmosis and putamina.By system current journey as can be seen, the moisture after the reverse osmosis filter reverse osmosis is two-way, and one the tunnel is condensed water, discharges through the waste water proportioner; One the tunnel is pure water; through being divided into two-way behind the high pressure water switch again: when the pure water depotition cock is closed; pure water enters the water storage pressure pot; pure water is emitted from the pure water depotition cock through rearmounted gac filtration device when the pure water depotition cock is opened, and the pure water in the water storage pressure pot is also emitted from the pure water depotition cock through rearmounted gac filtration device simultaneously.When the bypass scouring electromagnetic valve is opened, the waste water of reverse osmosis filter no longer discharges through the waste water proportioner, but directly discharge by the bypass scouring electromagnetic valve, at this moment, reverse osmosis filter can not carry out reverse osmosis system pure water and utilize the pressurized water of topping-up pump that the reverse osmosis membrane in the reverse osmosis filter is washed, Here it is existing domestic water purifying machine is to the backwashing manner of reverse osmosis membrane, also is the corresponding to following current backwashing manner of water (flow) direction of the direction of the wash-down water condensed water during with the system pure water.The wash-down water that this backwashing manner uses is through polypropylene spray welding filter element strainer; granulated active carbon candle filter and three grades of pretreated filterable percolation waters of extruding active carbon stick candle filter; because percolation water is not purified water; therefore in the process of flushing reverse osmosis membrane; go out the trapped substance of the film surface of reverse osmosis membrane and discharge on one side; contained colloid in the percolation water of one side; suspended substance; calcium ions and magnesium ions can be trapped at the film surface of reverse osmosis membrane again; the developing result that facts have proved this purging method is not remarkable, can not effectively prolong the work-ing life of reverse osmosis membrane.
Summary of the invention
The purpose of this utility model provides a kind of automatic backwash structure of domestic water purifying machine reverse osmosis membrane, it utilizes the pure water in the water storage pressure pot that the reverse osmosis membrane in the reverse osmosis filter is carried out counterflush, also be the direction of wash-down water and the opposite back flushing mode of water (flow) direction of the condensed water of system during pure water, when implementing counterflush, the trapped substance of the film surface of reverse osmosis membrane is gone out and discharged, and the wash-down water that enters is because be not contain any impurity (colloid, suspended substance, calcium ions and magnesium ions etc.) pure water, can not cause impurity to be trapped at the film surface of reverse osmosis membrane, the flushing of this counterflush structure is thorough, developing result is remarkable, can effectively prolong the life-span of reverse osmosis membrane, reduce the running cost of reverse osmosis water purification machine.
The technical solution of the utility model is: the automatic backwash structure of domestic water purifying machine reverse osmosis membrane, comprise three grades of pretreatment filters, entering water electromagnetic valve, topping-up pump, reverse osmosis filter, waste water proportioner, water storage pressure pot, high pressure water switch, low-pressure water switch, system water solenoid valve, condensed water discharge solenoid valve, reach connecting tube and water inlet pipe and water outlet pipe, it is characterized in that in the pipeline of existing domestic water purifying machine, inserting magnetic valve and connecting tube composition pure water counterflush pipeline thereof; Between topping-up pump water outlet and reverse osmosis filter water-in, be connected a system water solenoid valve and a pipe connecting thereof; Between topping-up pump water-in and water storage pressure pot, be connected a counterflush magnetic valve and a pipe connecting thereof; Between reverse osmosis filter condensed water water outlet and waste water proportioner water-in, be connected a condensed water discharge solenoid valve and a pipe connecting thereof; Between reverse osmosis filter water-in and waste water proportioner water outlet, be connected a counterflush magnetic valve and a pipe connecting thereof, between topping-up pump water outlet and reverse osmosis filter condensed water water outlet, be connected a counterflush magnetic valve and a pipe connecting thereof.
Form the water making pipe road by entering water electromagnetic valve, system water solenoid valve and condensed water discharge solenoid valve and connecting tube thereof, form the backwashing water pipeline by the counterflush magnetic valve and the connecting tube thereof that are connected between the counterflush magnetic valve that is connected between the counterflush magnetic valve that is connected between reverse osmosis filter water-in and the waste water proportioner water outlet, topping-up pump water-in and the water storage pressure pot, topping-up pump water outlet and the reverse osmosis filter condensed water water outlet.Each magnetic valve on the water making pipe road and the energising of each magnetic valve on the flushing pipe are opened and the program of closing by the microcomputer controller setting of cutting off the power supply is controlled.
With the reverse osmosis filter is core; be aided with multistage pretreated membrane type water purification machine; the water purifying treatment filter core (strainer) of Pyatyi difference in functionality; form advanced compound deep purifying drinking water treatment technology; by the polypropylene melt-blown candle filter former water is carried out prefiltration; silt particle in the former water of filtering; particle; impurity; colloid; suspended substance etc.; the granulated active carbon candle filter is to carrying out adsorption cleaning through the water behind the prefiltration; remove heterochromatic in the water; peculiar smell; chlorine residue; heavy metal; organism etc.; extruding active carbon stick candle filter heterochromatic in the profound adsorption cleaning water on the basis of granulated active carbon candle filter adsorption cleaning; peculiar smell; chlorine residue; harmful material such as heavy metal and organism; and atomic thin particle in the micropore trap water of utilization extruding active carbon stick; colloid; suspended substance etc.; assurance enters the required water inlet condition of reverse osmosis filter; percolation water enters reverse osmosis filter through the topping-up pump supercharging; the using water pressure principle of reverse osmosis; remove imperceptible particle in the percolation water; impurity; colloid; heavy metal; soluble solids; bacterium; thermal source and other detrimental impurity; only keep water molecules and dissolved oxygen; water outlet is a pure water capable of direct drinking, enter store in the pressure water storage barrel stand-by.
The beneficial effects of the utility model are that when the system pure water, the entering water electromagnetic valve on the water making pipe road, system water solenoid valve and condensed water discharge solenoid valve are opened the counterflush closed electromagnetic valve on the backwashing water pipeline; When back flushing, the counterflush magnetic valve that is connected between reverse osmosis filter water-in on the backwashing water pipeline and the waste water proportioner water outlet, the counterflush magnetic valve that is connected between topping-up pump water-in and the water storage pressure pot, the counterflush magnetic valve that is connected between topping-up pump water outlet and the reverse osmosis filter condensed water water outlet is opened, entering water electromagnetic valve on the water making pipe road, system water solenoid valve and condensed water discharge solenoid valve are closed, realized utilizing the pure water in the water storage pressure pot that the reverse osmosis membrane in the reverse osmosis filter is carried out counterflush, the direction back flushing opposite with the water (flow) direction of the condensed water of system during pure water that also is wash-down water gone out discharging with the trapped substance of the film surface of reverse osmosis membrane, the wash-down water that enters is because be pure water, developing result is remarkable, can effectively prolong the life-span of reverse osmosis membrane, reduce running cost, improve the benefit of domestic water purifying machine.
Description of drawings
Fig. 1 is the schematic flow sheet of the automatic backwash structure of the utility model domestic water purifying machine reverse osmosis membrane.
Fig. 2 is domestic water purifying machine system water schema.
1 is the water inlet threeway among the figure; 2 is water intake ball valve; 3 are low water switch, and 4 is the polypropylene melt-blown candle filter, and 5 is the granulated active carbon candle filter; 6 are extruding active carbon stick candle filter; 7 is entering water electromagnetic valve, and 8 is topping-up pump, and 9 are the system water solenoid valve; 10 is reverse osmosis filter; 11 is the high pressure water switch, and 12 is rearmounted gac filtration device, and 13 is the pure water depotition cock; 14 is the water storage pressure pot; 15 is the water butt upper ball valve, and 16 is the condensed water discharge solenoid valve, and 17 give off water pipe for condensed water; 18 are the counterflush magnetic valve; 19 are the counterflush magnetic valve, and 20 are the counterflush magnetic valve, and 21 is reverse checkvalve; 22 is the waste water proportioner, and 23 is the pure water rising pipe.
Embodiment
The automatic backwash structure of domestic water purifying machine reverse osmosis membrane, comprise three grades of pretreatment filters, polypropylene melt-blown candle filter 4, granulated active carbon candle filter 5 and extruding active carbon stick candle filter 6, entering water electromagnetic valve 7, topping-up pump 8, reverse osmosis filter 10, waste water proportioner 22, water storage pressure pot 14, high pressure water switch 11, low water switch 3, system water solenoid valve 9, condensed water discharge solenoid valve 16, counterflush magnetic valve 18,19,20 and connecting tube and water inlet pipe and water outlet pipe etc., in the pipeline of existing domestic water purifying machine, insert magnetic valve and connecting pipeline thereof; Between topping-up pump 8 water outlets and reverse osmosis filter 10 water-ins, be connected a system water solenoid valve 9 and a pipe connecting thereof; Be connected a counterflush magnetic valve 19 and a pipe connecting thereof increasing between pump 8 water-ins and the water storage pressure pot 14; Between reverse osmosis filter 10 condensed water water outlets and waste water proportioner 22 water-ins, be connected a condensed water discharge solenoid valve 16 and a pipe connecting thereof; Between reverse osmosis filter 10 water-ins and waste water proportioner 22 water outlets, be connected a counterflush magnetic valve 18 and a pipe connecting thereof; Between topping-up pump 8 water outlets and reverse osmosis filter 10 condensed water water outlets, be connected a counterflush magnetic valve 20 and a pipe connecting thereof.
The counterflush pipeline is connected pipeline between topping-up pump 8 water-ins and the water storage pressure pot 14 and counterflush magnetic valve 19 and a pipeline and a counterflush magnetic valve 20 that is connected between topping-up pump 8 water outlets and the reverse osmosis filter 10 condensed water water outlets by one and forms the pure water rinsing water entry.
The counterflush pipeline is formed the wash-down water water exit by pipeline and counterflush magnetic valve 18 between reverse osmosis filter 10 water-ins and waste water proportioner 22 water outlets.
Form the tap water water entry by pipeline and condensed water discharge solenoid valve 16 between the pipeline between entering water electromagnetic valve 7, topping-up pump 8 water outlets and reverse osmosis filter 10 water-ins and system water solenoid valve 9, reverse osmosis filter 10 condensed water water outlets and waste water proportioner 22 water-ins.

Claims (4)

1, the automatic backwash structure of domestic water purifying machine reverse osmosis membrane, comprise three grades of pretreatment filters (4,5,6), entering water electromagnetic valve (7), topping-up pump (8), reverse osmosis filter (10), waste water proportioner (22), water storage pressure pot (14), high pressure water switch (11), low-pressure water switch (3), system water solenoid valve (9), condensed water discharge solenoid valve (16) and connecting tube and water inlet pipe and water outlet pipe, it is characterized in that: in the pipeline of existing domestic water purifying machine, insert magnetic valve and connecting tube thereof and form pure water counterflush pipeline; Between topping-up pump (8) water outlet and reverse osmosis filter (10) water-in, be connected a system water solenoid valve (9) and a pipe connecting thereof; Between topping-up pump (8) water-in and water storage pressure pot (14), be connected a counterflush magnetic valve (19) and a pipe connecting thereof; Between reverse osmosis filter (10) condensed water water outlet and waste water proportioner (22) water-in, be connected a condensed water discharge solenoid valve (16) and a pipe connecting thereof; Between reverse osmosis filter (10) water-in and waste water proportioner (22) water outlet, be connected a counterflush magnetic valve (18) and a pipe connecting thereof; Between topping-up pump (8) water outlet and reverse osmosis filter (10) condensed water water outlet, be connected a counterflush magnetic valve (20) and a pipe connecting thereof.
2, the automatic backwash structure of domestic water purifying machine reverse osmosis membrane according to claim 1 is characterized in that: the counterflush pipeline is connected pipeline between topping-up pump (8) water-in and the water storage pressure pot (14) and counterflush magnetic valve (19) and a pipeline and a counterflush magnetic valve (20) that is connected between topping-up pump (8) water outlet and reverse osmosis filter (10) the condensed water water outlet by one and forms the pure water rinsing water entry.
3, the automatic backwash structure of domestic water purifying machine reverse osmosis membrane according to claim 1 is characterized in that: the counterflush pipeline is formed the wash-down water water exit by pipeline and counterflush magnetic valve (18) between reverse osmosis filter (10) water-in and waste water proportioner (22) water outlet.
4, the automatic backwash structure of domestic water purifying machine reverse osmosis membrane according to claim 1 is characterized in that: form the tap water water entry by pipeline and condensed water discharge solenoid valve (16) between the pipeline between entering water electromagnetic valve (7), topping-up pump (8) water outlet and reverse osmosis filter (10) water-in and system water solenoid valve (9), reverse osmosis filter (10) condensed water water outlet and waste water proportioner (22) water-in.
CN 200520014255 2005-08-20 2005-08-20 Automatic backwashing structure for reverse osmosis membrane of domestic water purifier Expired - Fee Related CN2813593Y (en)

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CN 200520014255 CN2813593Y (en) 2005-08-20 2005-08-20 Automatic backwashing structure for reverse osmosis membrane of domestic water purifier

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Application Number Priority Date Filing Date Title
CN 200520014255 CN2813593Y (en) 2005-08-20 2005-08-20 Automatic backwashing structure for reverse osmosis membrane of domestic water purifier

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102285728A (en) * 2011-05-27 2011-12-21 张伟斌 Real-time drinking water treatment equipment
CN102603089A (en) * 2012-03-30 2012-07-25 朱玉民 Water-saving drinking machine
CN102908899A (en) * 2012-07-20 2013-02-06 艾欧史密斯(上海)水处理产品有限公司 Reverse osmosis water purification system
CN103785293A (en) * 2012-10-31 2014-05-14 刘爱东 Pressure limiting water-break water purifier
CN105502577A (en) * 2015-12-01 2016-04-20 中国电子系统工程第二建设有限公司 Reverse osmosis device
CN105523655A (en) * 2016-01-27 2016-04-27 武汉斯隆电气有限公司 Washable water preparation system in water purifier and water purifier
CN106277395A (en) * 2016-08-23 2017-01-04 浙江融翔电子有限公司 One automatically permeates water purification machine
CN107055837A (en) * 2017-04-20 2017-08-18 杨建� A kind of control system of the degerming cleaning of domestic water purifying machine
CN108467086A (en) * 2017-02-23 2018-08-31 青岛经济技术开发区海尔热水器有限公司 Novel water purification system
CN108467087A (en) * 2017-02-23 2018-08-31 青岛经济技术开发区海尔热水器有限公司 Water purification system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102285728A (en) * 2011-05-27 2011-12-21 张伟斌 Real-time drinking water treatment equipment
CN102603089A (en) * 2012-03-30 2012-07-25 朱玉民 Water-saving drinking machine
CN102908899A (en) * 2012-07-20 2013-02-06 艾欧史密斯(上海)水处理产品有限公司 Reverse osmosis water purification system
CN102908899B (en) * 2012-07-20 2014-09-17 艾欧史密斯(上海)水处理产品有限公司 Reverse osmosis water purification system
CN103785293A (en) * 2012-10-31 2014-05-14 刘爱东 Pressure limiting water-break water purifier
CN105502577B (en) * 2015-12-01 2019-01-22 中国电子系统工程第二建设有限公司 Reverse osmosis unit
CN105502577A (en) * 2015-12-01 2016-04-20 中国电子系统工程第二建设有限公司 Reverse osmosis device
CN105523655A (en) * 2016-01-27 2016-04-27 武汉斯隆电气有限公司 Washable water preparation system in water purifier and water purifier
CN105523655B (en) * 2016-01-27 2018-06-12 武汉斯隆电气有限公司 Flushable water manufacturing system and water purifier in water purifier
CN106277395A (en) * 2016-08-23 2017-01-04 浙江融翔电子有限公司 One automatically permeates water purification machine
CN108467086A (en) * 2017-02-23 2018-08-31 青岛经济技术开发区海尔热水器有限公司 Novel water purification system
CN108467087A (en) * 2017-02-23 2018-08-31 青岛经济技术开发区海尔热水器有限公司 Water purification system
CN107055837A (en) * 2017-04-20 2017-08-18 杨建� A kind of control system of the degerming cleaning of domestic water purifying machine

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060906

Termination date: 20100820