CN105417753A - Energy-saving micro-concentrated-water reverse osmosis device and control method thereof - Google Patents
Energy-saving micro-concentrated-water reverse osmosis device and control method thereof Download PDFInfo
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- CN105417753A CN105417753A CN201510943581.7A CN201510943581A CN105417753A CN 105417753 A CN105417753 A CN 105417753A CN 201510943581 A CN201510943581 A CN 201510943581A CN 105417753 A CN105417753 A CN 105417753A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/40—Automatic control of cleaning processes
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an energy-saving micro-concentrated-water reverse osmosis device and a control method thereof. The energy-saving micro-concentrated-water reverse osmosis device comprises a water way device and a circuit device, wherein the water way device comprises a municipal tap water inlet, a first-stage filter element, a second-stage filter element, a third-stage filter element, a booster pump and a reverse osmosis membrane element which are connected sequentially through a pipeline; a pressure reducing valve is arranged on the pipeline between the municipal tap water inlet and the first-stage filter element; a water inlet control valve and a third tee joint are arranged sequentially on the pipeline between the third-stage filter element and the booster pump; water boosted by the booster pump passes the reverse osmosis membrane element and is divided into a purified water way and a concentrated water way. The energy-saving micro-concentrated-water reverse osmosis device solves the problems of backflow of concentrated water and limit of concentrated water emission, increases the water utilization rate and improves the usability of the reverse osmosis membrane element; the performance of the reverse osmosis membrane element is improved by means of a flushing mode, the service life is prolonged, the water saving effect is guaranteed, and a test proves that higher than 50% of the water utilization rate can be guaranteed.
Description
Technical field
The present invention relates to water-treatment technology field, particularly relate to a kind of energy-conservation micro-dense water reverse osmosis unit and control method thereof.
Background technology
Reverse osmosis unit is through pre-treatment such as more medium filter, charcoal filter, softening filters by former water, pressurizeed by high-pressure pump again, utilize aperture to be 1/10000 μm and (be equivalent to 1/6000 of intestinal bacteria size, viral 1/300) reverse osmosis membrane (RO film), the water of higher concentration is made to become low concentration of water, the impurity be mixed in a large number in water such as industrial pollutants, heavy metal, bacterium, virus are all isolated simultaneously, thus reach the physical and chemical index and hygienic standard of drinking regulation.
Reverse osmosis water disposal facility is while production pure water, and some condensed water produces, and the concentrated water yield is generally more than 3 times of pure water.
Conventional saving type RO water purification principle of products:
1, concentrate recirculation: condensed water backflow enters reverse-osmosis membrane element again, causes that to enter reverse-osmosis membrane element former water TDS value too high, causes ratio of desalinization bad.
2, limit concentrated water drainage amount: restriction concentrated water drainage amount, product performance are unstable, and reverse-osmosis membrane element rinses not, easily occur dirty stifled phenomenon.
Summary of the invention
The object of this invention is to provide a kind of energy-conservation micro-dense water reverse osmosis unit and control method thereof, to overcome currently available technology above shortcomings.
For realizing above-mentioned technical purpose, technical scheme of the present invention is achieved in that
A kind of energy-conservation micro-dense water reverse osmosis unit, comprise passway for water and circuit assembly, described passway for water comprises the municipal tap water water-in sequentially passing through pipeline and connect, first step filter core, second stage filter core, third stage filter core, topping-up pump and reverse-osmosis membrane element, pipeline between described municipal tap water water-in and first step filter core is provided with reducing valve, pipeline between described third stage filter core and topping-up pump is disposed with water inlet control valve and the 3rd Y-junction, pressurized water through described topping-up pump is divided into pure water route and concentrated water route after reverse-osmosis membrane element, described pure water route is through reverse checkvalve, and be divided into two-way by the first Y-junction, one tunnel passes in pressure pot through high-voltage switch gear, another road through post active carbon filter core to decontaminate faucet, described concentrated water route is divided into two-way through the second Y-junction, one tunnel is through the dense water of overrich water multifunctional electromagnetic valves discharge section, another road is connected to the 3rd Y-junction through FCC multifunctional electromagnetic valves and forms circulation loop,
Described circuit assembly comprises external 220V AC power, power supply adaptor, PCB switchboard, high-voltage switch gear, water inlet control valve, FCC multifunctional electromagnetic valves, dense water control valve and topping-up pump, described external 220V AC power is converted to after direct supply through power supply adaptor and exports PCB switchboard to, described high-voltage switch gear is connected with PCB switchboard positive pole, and described water inlet control valve, FCC multifunctional electromagnetic valves, dense water control valve and topping-up pump are connected in parallel on circuit successively.
Further, described first step filter core is polypropylene filter core.
Further, described second stage filter core is granulated active carbon filter core.
Further, described third stage filter core is extruded activated carbon filter core.
A control method for energy-conservation micro-dense water reverse osmosis unit, comprises
1) first by power supply adaptor, the electric energy of external 220V AC power is converted to direct supply, the electric energy after changing exports PCB to and powers into each electricity piece;
2) high-voltage switch gear is closed, entering water electromagnetic valve, topping-up pump are opened simultaneously, according to the program preset in PCB switchboard, reverse-osmosis membrane element is rinsed by dense water multifunctional electromagnetic valves, rinse and terminate, rinse and terminate, dense water multifunctional electromagnetic valves is closed, after M minute through presetting, FCC multifunctional electromagnetic valves being opened, M-2 flushing second being carried out to reverse-osmosis membrane element simultaneously, after M+1 second, dense water multifunctional electromagnetic valves is opened again, 2*(M-2 is carried out to reverse-osmosis membrane element) rinse second;
3) according to step 2) utilize dense water multifunctional electromagnetic valves and the every M of FCC multifunctional electromagnetic valves minute once to circulate to carry out once flushing to reverse-osmosis membrane element;
4) after pressure pot is filled and decontaminate faucet is closing condition, high-voltage switch gear be stressed bucket end pressure influence and discharge electrical signal, topping-up pump is quit work.
Further, described FCC multifunctional electromagnetic valves and dense water control valve are normally open valve, open completely when switching on power, and carry out current control during deenergization.
Further, the value of described M is 5.
Beneficial effect of the present invention: the drawback that the invention solves concentrate recirculation and restriction concentrated water discharge, improve the use properties of water use efficiency and reverse-osmosis membrane element, backwashing manner guarantees that the performance of ro components is improved, increase the service life, guarantee water-saving result simultaneously, more than 50% water use efficiency can be guaranteed after tested.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the energy-conservation micro-dense water reverse osmosis unit according to the embodiment of the present invention;
Fig. 2 is the structural representation of the control method of energy-conservation micro-dense water reverse osmosis unit according to the embodiment of the present invention.
In figure:
1, first step filter core; 2, second stage filter core; 3, third stage filter core; 4, water inlet control valve; 5, topping-up pump; 6, reverse-osmosis membrane element; 7, reverse checkvalve; 8, the first Y-junction; 9, high-voltage switch gear; 10, pressure pot; 11, post active carbon filter core; 12, decontaminate faucet; 13, the second Y-junction; 14, dense water multifunctional electromagnetic valves; 15, FCC multifunctional electromagnetic valves; 16, the 3rd Y-junction; 17, reducing valve; 18, external 220V AC power; 19, power supply adaptor; 20, PCB switchboard.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain, all belong to the scope of protection of the invention.
As shown in Figure 1-2, the energy-conservation micro-dense water reverse osmosis unit of one according to the embodiment of the present invention and control method thereof, comprise passway for water and circuit assembly, described passway for water comprises the municipal tap water water-in sequentially passing through pipeline and connect, first step filter core 1, second stage filter core 2, third stage filter core 3, topping-up pump 5 and reverse-osmosis membrane element 6, pipeline between described municipal tap water water-in and first step filter core 1 is provided with reducing valve 17, pipeline between described third stage filter core 3 and topping-up pump 5 is disposed with water inlet control valve 4 and the 3rd Y-junction 16, pressurized water through described topping-up pump 5 is divided into pure water route and concentrated water route after reverse-osmosis membrane element 6, described pure water route is through reverse checkvalve 7, and be divided into two-way by the first Y-junction 8, one tunnel passes in pressure pot 10 through high-voltage switch gear 9, another road is through post active carbon filter core 11 to decontaminate faucet 12, described concentrated water route is divided into two-way through the second Y-junction 13, one tunnel is through the dense water of overrich water multifunctional electromagnetic valves 14 discharge section, another road is connected to the 3rd Y-junction 16 through FCC multifunctional electromagnetic valves 15 and forms circulation loop,
Described circuit assembly comprises external 220V AC power 18, power supply adaptor 19, PCB switchboard 20, high-voltage switch gear 9, water inlet control valve 4, FCC multifunctional electromagnetic valves 15, dense water control valve 14 and topping-up pump 5, described external 220V AC power 18 is converted to after direct supply through power supply adaptor 19 and exports PCB switchboard 20 to, described high-voltage switch gear 9 is connected with PCB switchboard 20 positive pole, and described water inlet control valve 4, FCC multifunctional electromagnetic valves 15, dense water control valve 14 and topping-up pump 5 are connected in parallel on circuit successively.
Described first step filter core 1 is polypropylene filter core.
Described second stage filter core 2 is granulated active carbon filter core.
Described third stage filter core 3 is extruded activated carbon filter core.
A control method for energy-conservation micro-dense water reverse osmosis unit, comprises
1) first by power supply adaptor 19, the electric energy of external 220V AC power 18 is converted to direct supply, the electric energy after changing exports PCB 20 to and powers into each electricity piece;
2) high-voltage switch gear 9 is closed, entering water electromagnetic valve 4, topping-up pump 5 are opened simultaneously, reverse-osmosis membrane element 6 is rinsed according to the program preset in PCB switchboard 20 by dense water multifunctional electromagnetic valves 14, rinse and terminate, rinse and terminate, dense water multifunctional electromagnetic valves 14 is closed, after M minute through presetting, the value of M is 5, FCC multifunctional electromagnetic valves 15 is opened, M-2 flushing second is carried out to reverse-osmosis membrane element 6 simultaneously, then after M+1 second, dense water multifunctional electromagnetic valves 14 is opened, 2*(M-2 is carried out to reverse-osmosis membrane element 6) rinse second;
3) according to step 2) utilize dense water multifunctional electromagnetic valves 14 and FCC multifunctional electromagnetic valves 15 often within M minute, once to circulate to carry out once flushing to reverse-osmosis membrane element 6;
4) after pressure pot 10 is filled and decontaminate faucet 12 is closing condition, high-voltage switch gear 9 be stressed bucket 10 end pressure influence and discharge electrical signal, topping-up pump 5 is quit work.
Described FCC multifunctional electromagnetic valves 15 and dense water control valve 14 are normally open valve, open completely when switching on power, and carry out current control during deenergization.
Reverse osmosis treatment device is when normally working, dense water multifunctional electromagnetic valves 14, the non-off-position of FCC multifunctional electromagnetic valves 15, the dense water of part that dense water multifunctional electromagnetic valves 14 produces when discharging work, the dense water of part that FCC multifunctional electromagnetic valves 15 recycle work produces, plays washing action to reverse-osmosis membrane element and economizes on water simultaneously.
When dense water multifunctional electromagnetic valves 14, during the setting work of FCC multifunctional electromagnetic valves 15 follow procedure, FCC multifunctional electromagnetic valves 15 is opened completely, pipeline upward pressure reduces instantaneously, by topping-up pump 5 pairs of reverse-osmosis membrane element 6 moment circulation flushings, prevent membrane element surface contaminants from depositing, FCC multifunctional electromagnetic valves 15 rinses and terminates rear pipeline, reverse osmosis treatment device rises to service pressure, now dense water multifunctional electromagnetic valves 14 is opened, make ro components moment pressure release, high flux flushing film surface, guarantee that the performance of ro components is improved by above-mentioned backwashing manner, increase the service life, guarantee water-saving result simultaneously, more than 50% water use efficiency can be guaranteed after tested.
The present invention, by increasing FCC multifunctional electromagnetic valves on concentrate recirculation pipeline, current limliting pipeline connects dense water multifunctional electromagnetic valves restriction concentrated stream speed, utilizes electric control element to control the work of two magnetic valves, rinse ro components.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. an energy-conservation micro-dense water reverse osmosis unit, it is characterized in that: comprise passway for water and circuit assembly, described passway for water comprises the municipal tap water water-in sequentially passing through pipeline and connect, first step filter core (1), second stage filter core (2), third stage filter core (3), topping-up pump (5) and reverse-osmosis membrane element (6), pipeline between described municipal tap water water-in and first step filter core (1) is provided with reducing valve (17), pipeline between described third stage filter core (3) and topping-up pump (5) is disposed with water inlet control valve (4) and the 3rd Y-junction (16), pressurized water through described topping-up pump (5) is divided into pure water route and concentrated water route after reverse-osmosis membrane element (6), described pure water route is through reverse checkvalve (7), and be divided into two-way by the first Y-junction (8), one tunnel passes in pressure pot (10) through high-voltage switch gear (9), another road through post active carbon filter core (11) to decontaminate faucet (12), described concentrated water route is divided into two-way through the second Y-junction (13), one tunnel is through the dense water of overrich water multifunctional electromagnetic valves (14) discharge section, another road is connected to the 3rd Y-junction (16) through FCC multifunctional electromagnetic valves (15) and forms circulation loop, described circuit assembly comprises external 220V AC power (18), power supply adaptor (19), PCB switchboard (20), high-voltage switch gear (9), water inlet control valve (4), FCC multifunctional electromagnetic valves (15), dense water control valve (14) and topping-up pump (5), described external 220V AC power (18) exports PCB switchboard (20) to after power supply adaptor (19) is converted to direct supply, described high-voltage switch gear (9) is connected with PCB switchboard (20) positive pole, described water inlet control valve (4), FCC multifunctional electromagnetic valves (15), dense water control valve (14) and topping-up pump (5) are connected in parallel on circuit successively.
2. energy-conservation micro-dense water reverse osmosis unit according to claim 1, is characterized in that: described first step filter core (1) is polypropylene filter core.
3. energy-conservation micro-dense water reverse osmosis unit according to claim 1, is characterized in that: described second stage filter core (2) is granulated active carbon filter core.
4. energy-conservation micro-dense water reverse osmosis unit according to claim 1, is characterized in that: described third stage filter core (3) is extruded activated carbon filter core.
5. a control method for energy-conservation micro-dense water reverse osmosis unit, is characterized in that: comprise
1) first by power supply adaptor (19), the electric energy of external 220V AC power (18) is converted to direct supply, the electric energy after changing exports PCB (20) to and powers into each electricity piece;
2) high-voltage switch gear (9) is closed, simultaneously by entering water electromagnetic valve (4), topping-up pump (5) is opened, reverse-osmosis membrane element (6) is rinsed according to the program preset in PCB switchboard (20) by dense water multifunctional electromagnetic valves (14), rinse and terminate, dense water multifunctional electromagnetic valves (14) is closed, after M minute through presetting, FCC multifunctional electromagnetic valves (15) is opened, M-2 flushing second is carried out to reverse-osmosis membrane element (6) simultaneously, after M+1 second, dense water multifunctional electromagnetic valves (14) is opened again, 2*(M-2 is carried out to reverse-osmosis membrane element (6)) rinse second,
3) according to step 2) utilize dense water multifunctional electromagnetic valves (14) and FCC multifunctional electromagnetic valves (15) often within M minute, once to circulate to carry out once flushing to reverse-osmosis membrane element (6);
4) after pressure pot (10) is filled and decontaminate faucet (12) is closing condition, high-voltage switch gear (9) is stressed pressure influence that bucket (10) holds and discharge electrical signal, and topping-up pump (5) is quit work.
6. the control method of energy-conservation micro-dense water reverse osmosis unit according to claim 5, is characterized in that: described FCC multifunctional electromagnetic valves (15) and dense water control valve (14) are normally open valve, open completely, carry out current control during deenergization when switching on power.
7. the control method of energy-conservation micro-dense water reverse osmosis unit according to claim 5, is characterized in that: the value of described M is 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510943581.7A CN105417753B (en) | 2015-12-16 | 2015-12-16 | The micro- concentrated water reverse osmosis unit of energy conservation and its control method |
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| CN201510943581.7A CN105417753B (en) | 2015-12-16 | 2015-12-16 | The micro- concentrated water reverse osmosis unit of energy conservation and its control method |
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| CN105417753B CN105417753B (en) | 2019-08-06 |
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Cited By (10)
| 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 |
| CN106007041A (en) * | 2016-07-27 | 2016-10-12 | 深圳市汉斯顿净水设备有限公司 | Reverse osmosis instant drinking water purifier |
| CN106277211A (en) * | 2016-10-17 | 2017-01-04 | 珠海格力电器股份有限公司 | A kind of water purifier and control method thereof |
| 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 |
| CN107032511A (en) * | 2017-04-25 | 2017-08-11 | 浙江艾波特环保科技股份有限公司 | A kind of water purifier with exhaust structure |
| CN109399763A (en) * | 2018-12-24 | 2019-03-01 | 宁波普尔净水科技有限公司 | A kind of reverse osmosis water purifying plant and control method |
| 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 |
| CN111252930A (en) * | 2020-04-10 | 2020-06-09 | 内蒙古科泰隆达环保科技有限公司 | Full-automatic water purification unit |
| CN114180738A (en) * | 2021-12-06 | 2022-03-15 | 苏州腾纳环保科技有限公司 | High-water-efficiency water purifier with multistage composite deep filtration and working method thereof |
| CN115064414A (en) * | 2022-08-17 | 2022-09-16 | 优口（广东）环境系统有限公司 | Reverse osmosis water purification unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN107032511A (en) * | 2017-04-25 | 2017-08-11 | 浙江艾波特环保科技股份有限公司 | A kind of water purifier with exhaust structure |
| CN109399763A (en) * | 2018-12-24 | 2019-03-01 | 宁波普尔净水科技有限公司 | A kind of reverse osmosis water purifying plant and control method |
| CN109399763B (en) * | 2018-12-24 | 2024-04-05 | 宁波普尔净水科技有限公司 | Reverse osmosis water purification equipment and control method |
| 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 |
| CN111252930A (en) * | 2020-04-10 | 2020-06-09 | 内蒙古科泰隆达环保科技有限公司 | Full-automatic water purification unit |
| CN114180738A (en) * | 2021-12-06 | 2022-03-15 | 苏州腾纳环保科技有限公司 | High-water-efficiency water purifier with multistage composite deep filtration and working method thereof |
| CN115064414A (en) * | 2022-08-17 | 2022-09-16 | 优口（广东）环境系统有限公司 | Reverse osmosis water purification unit |
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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 |