CN105417753B - The micro- concentrated water reverse osmosis unit of energy conservation and its control method - Google Patents

The micro- concentrated water reverse osmosis unit of energy conservation and its control method Download PDF

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Publication number
CN105417753B
CN105417753B CN201510943581.7A CN201510943581A CN105417753B CN 105417753 B CN105417753 B CN 105417753B CN 201510943581 A CN201510943581 A CN 201510943581A CN 105417753 B CN105417753 B CN 105417753B
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China
Prior art keywords
water
filter core
concentrated water
electromagnetic valves
multifunctional electromagnetic
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CN201510943581.7A
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CN105417753A (en
Inventor
王寒
邓见桥
吴鹏
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SHENZHEN HANSIDUN WATER PURIFICATION EQUIPMENT CO., LTD.
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王寒
邓见桥
吴鹏
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/40Automatic control of cleaning processes
    • 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
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention discloses a kind of micro- concentrated water reverse osmosis unit of energy conservation and its control methods, including passway for water and circuit device, the passway for water includes the municipal tap water water inlet for sequentially passing through pipeline connection, first order filter core, second level filter core, third level filter core, booster pump and reverse-osmosis membrane element, pressure reducing valve is provided on pipeline between the municipal tap water water inlet and first order filter core, water inlet control valve and third three-way connection are disposed on pipeline between the third level filter core and booster pump, it is divided into pure water route and concentration water route after reverse-osmosis membrane element by the pressurized water of the booster pump, the present invention solves the drawbacks of concentrate recirculation and limitation concentrated water discharge, improve the service performance of water use efficiency and reverse-osmosis membrane element, backwashing manner ensures that the performance of ro components is improved, prolong the service life, simultaneously Ensure water-saving result, can ensure 50% or more water use efficiency after tested.

Description

The micro- concentrated water reverse osmosis unit of energy conservation and its control method
Technical field
The present invention relates to water-treatment technology field more particularly to a kind of micro- concentrated water reverse osmosis unit of energy conservation and its controlling parties Method.
Background technique
Reverse osmosis unit is by raw water by the pretreatment such as more medium filter, charcoal filter, softening filter, then It is pressurizeed by high-pressure pump, is 1/10000 μm (be equivalent to the 1/6000 of Escherichia coli size, viral 1/300) using aperture Reverse osmosis membrane (RO film) makes the water of higher concentration become low concentration of water, while by industrial pollutants, heavy metal, bacterium, virus etc. The impurity being largely mixed into water is all isolated, and drinks defined physical and chemical index and sanitary standard to reach.
While producing pure water, some condensed water generates reverse osmosis water disposal facility, and concentration water is generally 3 times or more of pure water.
Conventional saving type RO water purification principle of products:
1, concentrate recirculation: condensed water reflux is again introduced into reverse-osmosis membrane element, causes entry into reverse-osmosis membrane element raw water TDS It is worth excessively high, causes salt rejection rate bad.
2, limit concentrated water discharge capacity: limitation concentrated water discharge capacity, properties of product are unstable, and reverse-osmosis membrane element rinses not enough, are easy There is dirty stifled phenomenon.
Summary of the invention
The object of the present invention is to provide a kind of micro- concentrated water reverse osmosis unit of energy conservation and its control methods, existing at present to overcome Technology above shortcomings.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
A kind of micro- concentrated water reverse osmosis unit of energy conservation, including passway for water and circuit device, the passway for water include sequentially Municipal tap water water inlet, first order filter core, second level filter core, third level filter core, booster pump and the reverse osmosis connected by pipeline Membrane element is provided with pressure reducing valve, the third level on the pipeline between the municipal tap water water inlet and first order filter core Inlet water solenoid valve and third three-way connection are disposed on pipeline between filter core and booster pump, by the increasing of the booster pump Pressure water is divided into pure water route and concentration water route after reverse-osmosis membrane element, and non-return valve is passed through in the pure water route, and passes through the One three-way connection is divided into two-way, is passed through in pressure pot by high-voltage switch gear all the way, and another way is by post active carbon filter core to net Change tap, the concentration water route is divided into two-way by the second three-way connection, passes through concentrated water multifunctional electromagnetic valves discharge part all the way Concentrated water, another way are connected to third three-way connection by FCC multifunctional electromagnetic valves and form circulation loop;
The circuit device includes external 220V AC power source, power supply adaptor, PCB circuit board, high-voltage switch gear, water inlet electricity Magnet valve, FCC multifunctional electromagnetic valves, concentrated water control valve and booster pump, the external 220V AC power source are converted to through power supply adaptor Output is to PCB circuit board after DC power supply, and the high-voltage switch gear is connected with PCB circuit board anode, the inlet water solenoid valve, FCC Multifunctional electromagnetic valves, concentrated water control valve and booster pump are successively connected in parallel on circuit.
Further, the first order filter core is polypropylene filter core.
Further, the second level filter core is granular activated carbon filter core.
Further, the third level filter core is extruded activated carbon filter core.
A kind of control method of the micro- concentrated water reverse osmosis unit of energy conservation, including
1) electric energy of external 220V AC power source is converted to by DC power supply by power supply adaptor first, the electricity after conversion Can export to PCB circuit board is the power supply of each electricity piece;
2) high-voltage switch gear is closed, at the same by inlet water solenoid valve, booster pump open, by concentrated water multifunctional electromagnetic valves according to Preset program is rinsed reverse-osmosis membrane element in PCB circuit board, and flushing terminates, and flushing terminates, and combines concentrated water Solenoid valve is closed, and after M minutes preset, FCC multifunctional electromagnetic valves are opened, while carrying out M-2 to reverse-osmosis membrane element Second rinses, then opens concentrated water multifunctional electromagnetic valves after M+1 seconds, rinses to reverse-osmosis membrane element progress 2* (M-2) second;
3) utilize concentrated water multifunctional electromagnetic valves and the every M minutes one cycle of FCC multifunctional electromagnetic valves to reverse osmosis according to step 2) Membrane component carries out once flushing;
4) after pressure pot is filled and purification tap be in off state, high-voltage switch gear by pressure pot end pressure influence and Electric signal is released, booster pump is made to stop working.
Further, the FCC multifunctional electromagnetic valves and concentrated water control valve are normally open valve, are fully opened when powering on, Current limited Control is carried out when disconnecting power supply.
Further, the value of the M is 5.
Beneficial effects of the present invention: the present invention solves the drawbacks of concentrate recirculation and limitation concentrated water discharge, improves water conservancy and uses The service performance of rate and reverse-osmosis membrane element, backwashing manner ensure that the performance of ro components is improved, prolong the service life, Ensure water-saving result simultaneously, can ensure 50% or more water use efficiency after tested.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the micro- concentrated water reverse osmosis unit of the energy conservation according to the utility model embodiment;
Fig. 2 is that the structure of the control method of the micro- concentrated water reverse osmosis unit of the energy conservation according to the utility model embodiment is shown It is intended to.
In figure:
1, first order filter core;2, second level filter core;3, third level filter core;4, inlet water solenoid valve;5, booster pump;6, reverse osmosis Membrane component;7, non-return valve;8, the first three-way connection;9, high-voltage switch gear;10, pressure pot;11, post active carbon filter core;12, it purifies Tap;13, the second three-way connection;14, concentrated water multifunctional electromagnetic valves;15, FCC multifunctional electromagnetic valves;16, third three-way connection;17, Pressure reducing valve;18, external 220V AC power source;19, power supply adaptor;20, PCB circuit board.
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 embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art's all other embodiment obtained belong to what the present invention protected Range.
As shown in Figs. 1-2, a kind of micro- concentrated water reverse osmosis unit of the energy conservation according to the utility model embodiment and its control Method processed, including passway for water and circuit device, the passway for water include sequentially pass through pipeline connection municipal tap water into The mouth of a river, first order filter core 1, second level filter core 2, third level filter core 3, booster pump 5 and reverse-osmosis membrane element 6, the municipal administration is originally Pressure reducing valve 17 is provided on pipeline between water water inlet and first order filter core 1, between the third level filter core 3 and booster pump 5 Pipeline on be disposed with inlet water solenoid valve 4 and third three-way connection 16, by the booster pump 5 pressurized water pass through reverse osmosis It is divided into pure water route and concentration water route after membrane element 6, non-return valve 7 is passed through in the pure water route, and passes through the first three-way connection 8 It is divided into two-way, is passed through in pressure pot 10 by high-voltage switch gear 9 all the way, another way is by post active carbon filter core 11 to the purification fire hose First 12, the concentration water route is divided by the second three-way connection 13 for two-way, passes through 14 discharge part of concentrated water multifunctional electromagnetic valves all the way Concentrated water, another way are connected to third three-way connection 16 by FCC multifunctional electromagnetic valves 15 and form circulation loop;
The circuit device includes external 220V AC power source 18, power supply adaptor 19, PCB circuit board 20, high-voltage switch gear 9, inlet water solenoid valve 4, FCC multifunctional electromagnetic valves 15, concentrated water multifunctional electromagnetic valves 14 and booster pump 5, the external 220V AC power source 18 export after power supply adaptor 19 is converted to DC power supply to PCB circuit board 20, the high-voltage switch gear 9 and PCB circuit board 20 Anode series connection, the inlet water solenoid valve 4, FCC multifunctional electromagnetic valves 15, concentrated water multifunctional electromagnetic valves 14 and booster pump 5 are successively connected in parallel on On circuit.
The first order filter core 1 is polypropylene filter core.
The second level filter core 2 is granular activated carbon filter core.
The third level filter core 3 is extruded activated carbon filter core.
A kind of control method of the micro- concentrated water reverse osmosis unit of energy conservation, including
1) electric energy of external 220V AC power source 18 is converted to by DC power supply by power supply adaptor 19 first, after conversion Power output to PCB circuit board 20 be each electricity piece power supply;
2) high-voltage switch gear 9 is closed, while inlet water solenoid valve 4, booster pump 5 is opened, pass through concentrated water multifunctional electromagnetic valves 14 Reverse-osmosis membrane element 6 is rinsed according to preset program in PCB circuit board 20, flushing terminates, and flushing terminates, will be dense Water multifunctional electromagnetic valves 14 are closed, and after M minutes preset, the value of M is 5, FCC multifunctional electromagnetic valves 15 are opened, simultaneously Reverse-osmosis membrane element 6 rinse within M-2 seconds, then opens concentrated water multifunctional electromagnetic valves 14 after M+1 seconds, to reverse-osmosis membrane element 6 progress 2* (M-2) seconds rinsed;
3) utilize every M minutes one cycles of concentrated water multifunctional electromagnetic valves 14 and FCC multifunctional electromagnetic valves 15 to anti-according to step 2) Permeable membrane device 6 carries out once flushing;
4) after pressure pot 10 is filled and purification tap 12 be in off state, pressure of the high-voltage switch gear 9 by 10 end of pressure pot Power influences and releases electric signal, and booster pump 5 is made to stop working.
The FCC multifunctional electromagnetic valves 15 and concentrated water multifunctional electromagnetic valves 14 are normally open valve, are fully opened when powering on, and are broken Current limited Control is carried out when switch power supply.
In normal work, concentrated water multifunctional electromagnetic valves 14, FCC multifunctional electromagnetic valves 15 do not power off shape to reverse osmosis treatment device The part concentrated water generated when work is discharged in state, concentrated water multifunctional electromagnetic valves 14, and FCC multifunctional electromagnetic valves 15 recycle work generation It is water-saving simultaneously to play flushing action to reverse-osmosis membrane element for part concentrated water.
When concentrated water multifunctional electromagnetic valves 14, FCC multifunctional electromagnetic valves 15 work by program setting, FCC multifunctional electromagnetic valves 15 are complete Complete to open, pressure moment reduces on pipeline, by booster pump 5 to reverse-osmosis membrane element 6 moment circulation flushing, prevents membrane component table Face dirt deposition, pipeline after FCC multifunctional electromagnetic valves 15 rinse, reverse osmosis treatment device rise to service pressure, this When concentrated water multifunctional electromagnetic valves 14 open, make ro components moment pressure release, high flux flushing film surface passes through above-mentioned backwashing manner Ensure that the performance of ro components is improved, prolong the service life, while ensuring water-saving result, can ensure 50% after tested The above water use efficiency.
The present invention connects concentrated water combination by increasing FCC multifunctional electromagnetic valves on concentrate recirculation pipeline on current limiting tube road Solenoid limit concentrated water flow velocity is controlled the work of two solenoid valves using electric control element, is rinsed to ro components.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (6)

1. a kind of control method of the micro- concentrated water reverse osmosis unit of energy conservation, micro- concentrated water reverse osmosis unit includes passway for water and electricity Road device, the passway for water include the municipal tap water water inlet for sequentially passing through pipeline connection, first order filter core (1), second Grade filter core (2), third level filter core (3), booster pump (5) and reverse-osmosis membrane element (6), the municipal tap water water inlet and first It is provided with pressure reducing valve (17) on pipeline between grade filter core (1), the pipeline between the third level filter core (3) and booster pump (5) On be disposed with inlet water solenoid valve (4) and third three-way connection (16), by the booster pump (5) pressurized water pass through reverse osmosis It is divided into pure water route and concentration water route after membrane element (6), non-return valve (7) are passed through in the pure water route, and pass through the first threeway Connector (8) is divided into two-way, is passed through in pressure pot (10) by high-voltage switch gear (9) all the way, and another way passes through post active carbon filter core (11) to purification tap (12), the concentration water route is divided into two-way by the second three-way connection (13), passes through concentrated water group all the way Solenoid valve (14) discharge part concentrated water is closed, another way is connected to third three-way connection (16) shape by FCC multifunctional electromagnetic valves (15) At circulation loop;The circuit device include external 220V AC power source (18), power supply adaptor (19), PCB circuit board (20), High-voltage switch gear (9), inlet water solenoid valve (4), FCC multifunctional electromagnetic valves (15), concentrated water multifunctional electromagnetic valves (14) and booster pump (5), institute External 220V AC power source (18) is stated to export after power supply adaptor (19) is converted to DC power supply to PCB circuit board (20), institute It states high-voltage switch gear (9) to connect with PCB circuit board (20) anode, the inlet water solenoid valve (4), FCC multifunctional electromagnetic valves (15), concentrated water Multifunctional electromagnetic valves (14) and booster pump (5) are successively connected in parallel on circuit;It is characterized by comprising following steps:
1) electric energy of external 220V AC power source (18) is converted to by DC power supply by power supply adaptor (19) first, after conversion Power output to PCB circuit board (20) be each electricity piece power supply;
2) high-voltage switch gear (9) are closed, while inlet water solenoid valve (4), booster pump (5) is opened, pass through concentrated water multifunctional electromagnetic valves (14) reverse-osmosis membrane element (6) is rinsed, flushing terminates, and concentrated water multifunctional electromagnetic valves (14) is closed, through preset M After minute, FCC multifunctional electromagnetic valves (15) are opened, while reverse-osmosis membrane element (6) rinse within M-2 seconds, then after M+1 seconds Concentrated water multifunctional electromagnetic valves (14) are opened, 2*(M-2 is carried out to reverse-osmosis membrane element (6)) second flushing;
3) utilize concentrated water multifunctional electromagnetic valves (14) and the every M minutes one cycle of FCC multifunctional electromagnetic valves (15) to anti-according to step 2 Permeable membrane device (6) carries out once flushing;
4) after pressure pot (10) is filled and purification tap (12) be in off state, high-voltage switch gear (9) by pressure pot (10) hold Pressure influence and release electric signal, so that booster pump (5) is stopped working.
2. the control method of the micro- concentrated water reverse osmosis unit of energy conservation according to claim 1, it is characterised in that: described first Grade filter core (1) is polypropylene filter core.
3. the control method of the micro- concentrated water reverse osmosis unit of energy conservation according to claim 1, it is characterised in that: described second Grade filter core (2) is granular activated carbon filter core.
4. the control method of the micro- concentrated water reverse osmosis unit of energy conservation according to claim 1, it is characterised in that: the third Grade filter core (3) is extruded activated carbon filter core.
5. the control method of the micro- concentrated water reverse osmosis unit of energy conservation according to claim 1, it is characterised in that: the FCC group It closes solenoid valve (15) and concentrated water multifunctional electromagnetic valves (14) is normally open valve, fully opened when powering on, carried out when disconnecting power supply Current limited Control.
6. the control method of the micro- concentrated water reverse osmosis unit of energy conservation according to claim 1, it is characterised in that: the M's takes Value is 5.
CN201510943581.7A 2015-12-16 2015-12-16 The micro- concentrated water reverse osmosis unit of energy conservation and its control method Active CN105417753B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105923810A (en) * 2016-06-15 2016-09-07 王寒 Dual-membrane dual-core cascaded slightly-concentrated water reverse osmosis device and control method thereof
CN106277211B (en) * 2016-10-17 2018-05-18 珠海格力电器股份有限公司 A kind of water purifier and its control method
CN106630016A (en) * 2017-01-24 2017-05-10 湖南生命伟业环保科技股份有限公司 Small-sized reverse osmosis concentrate control system and apparatus
CN110272095A (en) * 2019-06-19 2019-09-24 浙江艾波特环保科技股份有限公司 A kind of band shuts down the water purifier of decompression function

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Effective date of registration: 20191106

Address after: Pine Road 518000 in Guangdong province Shenzhen City Pingshan New District Industrial Zone No. 56 Woori technology industrial area A building 101, 102, 103, 201, 202, 203, 301, 302, 303, 401, 501, 601

Patentee after: SHENZHEN HANSIDUN WATER PURIFICATION EQUIPMENT CO., LTD.

Address before: 236200 Anhui city of Fuyang Province Huang Qiao Zhen Zhang Zhuang Cun, Yingshang County Wang Zhuang No. 35

Co-patentee before: Deng Jianqiao

Patentee before: Wang Han

Co-patentee before: Wu Peng