CN105797587A - Water purifying system and automatic working pressure adjusting method thereof - Google Patents
Water purifying system and automatic working pressure adjusting method thereof Download PDFInfo
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- CN105797587A CN105797587A CN201610301736.1A CN201610301736A CN105797587A CN 105797587 A CN105797587 A CN 105797587A CN 201610301736 A CN201610301736 A CN 201610301736A CN 105797587 A CN105797587 A CN 105797587A
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- water
- pressure sensor
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- regulator
- hydraulic pressure
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- 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
- B01D61/08—Apparatus therefor
-
- 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
-
- 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
-
- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (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 a water purifying system and an automatic pressure adjusting method thereof. The water purifying system comprises a filtering part, a pure-water part, a concentrated-water part, a reverse-osmosis filtering core and an electric control device, wherein the filtering part is divided into two paths for output by the reverse-osmosis filtering core, one path goes to the pure-water part, and the other path goes to the concentrated-water part; the filtering part is provided with an inflow-water pressure sensor, a pressure adjusting device and a membrane-front water pressure sensor; the electric control device is electrically connected with the inflow-water pressure sensor, the pressure adjusting device and the membrane-front water pressure sensor. The water purifying system disclosed by the invention has the advantages that the electric control device detects the inflow-water pressure condition of the filtering part according to the inflow-water pressure sensor, the pressure of water about to enter the reverse-osmosis filtering core is adjusted by controlling the pressure adjusting device, and the membrane-front water pressure sensor detects whether the pressure of water about to enter the reverse-osmosis filtering core meets the set value, so that the electric control device can control the pressure adjusting device to work, the balance of the amount of outflow water can be guaranteed, the working reliability also can be improved, and the service life can be prolonged; and the working condition of the pressure adjusting device can be adjusted intelligently, so that an optimum working pressure is provided for the pressure of water about to enter the reverse-osmosis filtering core.
Description
Technical field
The present invention relates to water cleaning systems technical field, particularly a kind of water cleaning systems and operating pressure Automatic adjustment method thereof.
Background technology
In recent years, water purification product increasingly received the concern of consumer as health-oriented products, and water purification industry also develops at high speed therewith.Reverse osmosis purified water system is the main flow of domestic household water purification system, needs certain osmotic pressure so that aqueous solution permeates from high concentration to low concentration during the work of reverse osmosis filter element.Therefore a big feature of general reverse osmosis purified water system is to have booster pump to carry out front end supercharging.
As shown in Figure 1, it it is the technical scheme of existing a kind of water cleaning systems, including including filtration fraction, pure water part, condensed water part, reverse osmosis filter element and electric control gear, described filtration fraction divides two-way to export by reverse osmosis filter element, one tunnel exports to pure water part, another road exports to condensed water part, described filtration fraction is provided with preposition process filter element 101, entering water electromagnetic valve 102 and booster pump 103, pure water part is provided with postpositive disposal filter element 105, condensed water part is provided with condensed water proportioner 106；During work, water is after preposition filter element filtering, arriving reverse osmosis filter element then through booster pump supercharging, the pure water water outlet of reverse osmosis filter element processes after filter element processes through rearmounted source and arrives outlet, and the concentrated water proportioner of condensed water water outlet of reverse osmosis filter element arrives condensed water outlet.When controlling the water circulation, entering water electromagnetic valve is opened, and booster pump works with nominal working conditions, improves the osmotic pressure of reverse osmosis filter element.
The water cleaning systems of above-mentioned prior art, still suffers from following weak point: booster pump is to work with nominal working conditions, regardless of the height of intake pressure, booster pump does not change its working condition, therefore, when water feeding pressure is low time, the water flow of water cleaning systems just and then diminishes；When water feeding pressure is high time, the water flow of water cleaning systems just and then becomes big；If water source hydropenia, booster pump can enter dry tap, affects service life, if source water presses through height, can complete machine be caused damage.
Summary of the invention
It is an object of the invention to the deficiency overcoming above-mentioned prior art to exist, and a kind of water outlet water balance that ensures is provided, the reliability of its work can be improved again, the water cleaning systems increased the service life.
Another object of the present invention is to provide one by detecting source water pressure, the working condition of Intelligent adjustment regulator, make the hydraulic pressure being about to enter reverse osmosis filter element obtain the water cleaning systems automatic pressure regulating method of optimum working pressure.
The object of the present invention is achieved like this:
nullA kind of water cleaning systems，Including filtration fraction、Pure water part、Condensed water part、Reverse osmosis filter element and electric control gear，Described filtration fraction divides two-way to export by reverse osmosis filter element，One tunnel exports to pure water part，Another road exports to condensed water part，It is characterized in that，Described filtration fraction is provided with water feeding pressure sensor，Hydraulic pressure sensor before regulator and film，Electric control gear respectively with water feeding pressure sensor、Before regulator and film, hydraulic pressure sensor is electrically connected，This kind of water cleaning systems，Electric control gear detects the water feeding pressure situation of filtration fraction according to water feeding pressure sensor，The hydraulic pressure of reverse osmosis filter element it is about to enter by controlling regulator adjustment，And by whether hydraulic pressure sensor detection before film meets setting value by the hydraulic pressure entering reverse osmosis filter element，To be controlled regulator work by electric control gear，Ensure water outlet water balance，The reliability of its work can be improved again，Increase the service life.
The further technical measures of technique scheme of the present invention are as follows:
Further, described filtration fraction, by water inlet direction, is successively provided with hydraulic pressure sensor before water feeding pressure sensor, regulator and film；Before water feeding pressure sensor and film, hydraulic pressure sensor detects water feeding pressure power respectively and is about to enter the water pressure of reverse osmosis filter element, and regulator is as the mechanism adjusting water pressure.
Further, described regulator includes booster pump and speed setting unit thereof, and booster pump is arranged on before water feeding pressure sensor and film between hydraulic pressure sensor, and speed setting unit is electrically connected with booster pump and electric control gear respectively；It is to say, the control that speed setting unit is by electric control gear, change the force value of booster pump output.
Further, described filtration fraction is provided with preposition preprocessing filter element between water inlet and water feeding pressure sensor, in order to water inlet water source is carried out pre-filtering.
Further, described condensed water part is additionally provided with Concentrate flow and regulates device, and Concentrate flow regulates device and is electrically connected with electric control gear, electric control gear control Concentrate flow and regulate device.
Another object of the present invention technical scheme is as follows:
The operating pressure Automatic adjustment method of a kind of water cleaning systems, is characterized in that, comprise the steps:
Step one, presets the best effort hydraulic pressure numerical value P entering reverse osmosis filter element；
Step 2, water feeding pressure sensor 102 detects the water feeding pressure numerical value Pi of filtration fraction, and sends electric control gear to；
Step 3, after controlling the water circulation starts, electric control gear controls regulator adjustment and is about to enter the hydraulic pressure numerical value Po of reverse osmosis filter element;
Step 4, when Po numerical value is equal to P numerical value, regulator keeps constant speed work；
Step 5, when Pi numerical value is more than or equal to P numerical value, regulator quits work；
Step 6, in controlling the water circulation process, before water feeding pressure sensor 102 and film, hydraulic pressure sensor 103 detects hydraulic pressure numerical value Pi and Po in real time, electric control gear control regulator, it is ensured that the hydraulic pressure numerical value of regulator output is maintained at best effort hydraulic pressure numerical value.
As above-mentioned operating pressure Automatic adjustment method further technical scheme:
Further, described step 3, after controlling the water circulation starts, electric control gear controls the speed setting unit in regulator, so that booster pump rotating speed gradually rises, meanwhile, before film, hydraulic pressure sensor detection is about to enter the hydraulic pressure numerical value Po of reverse osmosis filter element.
Further, described step 4, when Po numerical value is equal to P numerical value, the speed setting unit of regulator keeps the constant rotational speed work of booster pump；
Further, described step 5, when Pi numerical value is more than or equal to P numerical value, the speed setting unit of regulator stops booster pump work.
Beneficial effects of the present invention is as follows:
(1) this kind of water cleaning systems, it is ensured that water outlet water balance, can improve again the reliability of its work, the water cleaning systems increased the service life.
(2) water cleaning systems automatic pressure regulating method of the present invention, by detecting source water pressure, the working condition of Intelligent adjustment regulator, makes the hydraulic pressure being about to enter reverse osmosis filter element obtain optimum working pressure.
Accompanying drawing explanation
Fig. 1 is the principle schematic of prior art water cleaning systems.
Fig. 2 is the principle schematic of water cleaning systems of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
nullAs shown in Figure 2，A kind of water cleaning systems，Including filtration fraction 1、Pure water part 2、Condensed water part 3、Reverse osmosis filter element 4 and electric control gear 5，Described filtration fraction 1 is by the 4 points of two-way outputs of reverse osmosis filter element，One tunnel exports to pure water part 2，Another road exports to condensed water part 3，It is characterized in that，Described filtration fraction 1 is provided with water feeding pressure sensor 6，Hydraulic pressure sensor 8 before regulator 7 and film，Electric control gear 5 respectively with water feeding pressure sensor 6、Before regulator 7 and film, hydraulic pressure sensor 8 is electrically connected，Electric control gear 5 detects the water feeding pressure situation of filtration fraction 1 according to water feeding pressure sensor 6，The hydraulic pressure being about to enter reverse osmosis filter element 4 by controlling regulator 7 to adjust，And detected whether the hydraulic pressure being about to enter reverse osmosis filter element 4 meets setting value by hydraulic pressure sensor before film 8，To be controlled regulator 7 by electric control gear 5 to work.
Wherein, described filtration fraction 1, by water inlet direction, is successively provided with hydraulic pressure sensor 8 before water feeding pressure sensor 6, regulator 7 and film.
Further, described regulator 7 includes booster pump 71 and speed setting unit 72 thereof, and booster pump 71 is arranged on before water feeding pressure sensor 6 and film between hydraulic pressure sensor 8, and speed setting unit 72 is electrically connected with booster pump 71 and electric control gear 5 respectively.
Described filtration fraction 1 is provided with preposition preprocessing filter element 10 between water inlet 9 and water feeding pressure sensor 6, and pure water part 2 is provided with postpositive disposal filter element 12；Condensed water part 3 is additionally provided with Concentrate flow and regulates device 11, and Concentrate flow regulates device 11 and is electrically connected with electric control gear 5.
This kind of water cleaning systems, it is ensured that water outlet water balance, can improve again the reliability of its work, the water cleaning systems increased the service life.
The operating pressure Automatic adjustment method of a kind of water cleaning systems, is characterized in that, comprise the steps:
Step one, presets the best effort hydraulic pressure numerical value P entering reverse osmosis filter element 4.
Step 2, water feeding pressure sensor 6 detects the water feeding pressure numerical value Pi of filtration fraction 1, and sends electric control gear 5 to.
Step 3, after controlling the water circulation starts, electric control gear 5 controls regulator 7 and adjusts the hydraulic pressure numerical value Po being about to enter reverse osmosis filter element 4.
Step 4, when Po numerical value is equal to P numerical value, regulator 7 keeps constant speed to work.
Step 5, when Pi numerical value is more than or equal to P numerical value, regulator 7 quits work.
Step 6, in controlling the water circulation process, before water feeding pressure sensor 6 and film, hydraulic pressure sensor 8 detects hydraulic pressure numerical value Pi and Po in real time, electric control gear 5 control regulator 7, it is ensured that the hydraulic pressure numerical value of regulator 7 output is maintained at best effort hydraulic pressure numerical value.
As scheme more specifically, above-mentioned steps three, after controlling the water circulation starts, electric control gear 5 controls the speed setting unit 72 in regulator 7, so that booster pump 71 rotating speed gradually rises, meanwhile, before film, hydraulic pressure sensor 8 detection is about to enter the hydraulic pressure numerical value Po of reverse osmosis filter element 4.
Above-mentioned steps four, when Po numerical value is equal to P numerical value, the speed setting unit 72 of regulator 7 keeps the constant rotational speed of booster pump 71 to work.
Above-mentioned steps five, when Pi numerical value is more than or equal to P numerical value, pressure regulation fills 7 speed setting units 72 put and stops booster pump 71 and work.
Water cleaning systems automatic pressure regulating method of the present invention, by detecting source water pressure, the working condition of Intelligent adjustment regulator, makes the hydraulic pressure being about to enter reverse osmosis filter element obtain optimum working pressure.
Claims (9)
- null1. a water cleaning systems，Including filtration fraction (1)、Pure water part (2)、Condensed water part (3)、Reverse osmosis filter element (4) and electric control gear (5)，Described filtration fraction (1) is by reverse osmosis filter element (4) point two-way output，One tunnel exports to pure water part (2)，Another road exports to condensed water part (3)，It is characterized in that，Described filtration fraction (1) is provided with water feeding pressure sensor (6)、Hydraulic pressure sensor (8) before regulator (7) and film，Electric control gear (5) respectively with water feeding pressure sensor (6)、Before regulator (7) and film, hydraulic pressure sensor (8) is electrically connected，Electric control gear (5) detects the water feeding pressure situation of filtration fraction (1) according to water feeding pressure sensor (6)，The hydraulic pressure being about to enter reverse osmosis filter element (4) by controlling regulator (7) to adjust，And by whether hydraulic pressure sensor before film (8) detection meets setting value by the hydraulic pressure entering reverse osmosis filter element (4)，To be controlled regulator (7) work by electric control gear (5).
- 2. water cleaning systems according to claim 1, is characterized in that, described filtration fraction (1), by water inlet direction, is successively provided with hydraulic pressure sensor (8) before water feeding pressure sensor (6), regulator (7) and film.
- 3. water cleaning systems according to claim 2, it is characterized in that, described regulator (7) includes booster pump (71) and speed setting unit (72) thereof, booster pump (71) is arranged on before water feeding pressure sensor (6) and film between hydraulic pressure sensor (8), and speed setting unit (72) is electrically connected with booster pump (71) and electric control gear (5) respectively.
- 4. water cleaning systems according to Claims 2 or 3, is characterized in that, described filtration fraction (1) is provided with preposition preprocessing filter element (10) between water inlet (9) and water feeding pressure sensor (6).
- 5. water cleaning systems according to Claims 2 or 3, is characterized in that, described condensed water part (3) is additionally provided with Concentrate flow and regulates device (11), and Concentrate flow regulates device (11) and is electrically connected with electric control gear (5).
- 6. an operating pressure Automatic adjustment method for water cleaning systems as claimed in claim 1, is characterized in that, comprise the steps:Step one, presets the best effort hydraulic pressure numerical value P entering reverse osmosis filter element (4)；Step 2, the water feeding pressure numerical value Pi of water feeding pressure sensor (6) detection filtration fraction (1), and send electric control gear (5) to；Step 3, after controlling the water circulation starts, electric control gear (5) controls regulator (7) and adjusts the hydraulic pressure numerical value Po being about to enter reverse osmosis filter element (4);Step 4, when Po numerical value is equal to P numerical value, regulator (7) keeps constant speed work；Step 5, when Pi numerical value is more than or equal to P numerical value, regulator (7) quits work；Step 6, in controlling the water circulation process, before water feeding pressure sensor (6) and film, hydraulic pressure sensor (8) detection hydraulic pressure numerical value Pi and Po in real time, is controlled regulator (7) by electric control gear (5), it is ensured that the hydraulic pressure numerical value that regulator (7) exports is maintained at best effort hydraulic pressure numerical value.
- 7. the operating pressure Automatic adjustment method of water cleaning systems according to claim 6, it is characterized in that, described step 3, after controlling the water circulation starts, electric control gear (5) controls the speed setting unit (72) in regulator (7), so that booster pump (71) rotating speed gradually rises, meanwhile, before film, hydraulic pressure sensor (8) detection is about to enter the hydraulic pressure numerical value Po of reverse osmosis filter element (4).
- 8. the operating pressure Automatic adjustment method of water cleaning systems according to claim 6, is characterized in that, described step 4, and when Po numerical value is equal to P numerical value, the speed setting unit (72) of regulator (7) keeps the constant rotational speed work of booster pump (71).
- 9. the operating pressure Automatic adjustment method of water cleaning systems according to claim 6, is characterized in that, described step 5, and when Pi numerical value is more than or equal to P numerical value, the speed setting unit (72) of regulator (7) stops booster pump (71) work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301736.1A CN105797587B (en) | 2016-05-09 | 2016-05-09 | Water purification system and automatic working pressure adjusting method thereof |
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| CN201610301736.1A CN105797587B (en) | 2016-05-09 | 2016-05-09 | Water purification system and automatic working pressure adjusting method thereof |
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| CN105797587B CN105797587B (en) | 2020-05-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341463A (en) * | 2018-02-28 | 2018-07-31 | 厦门百霖净水科技有限公司 | A kind of RO water treatment systems and its control method |
| CN114225510A (en) * | 2021-12-23 | 2022-03-25 | 南通力联自动化科技有限公司 | Double-channel intelligent filtering system and method |
| CN116143238A (en) * | 2023-01-07 | 2023-05-23 | 珠海格力电器股份有限公司 | Constant-current water purification control method and device, storage medium and water purifier |
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| CN108341463A (en) * | 2018-02-28 | 2018-07-31 | 厦门百霖净水科技有限公司 | A kind of RO water treatment systems and its control method |
| CN114225510A (en) * | 2021-12-23 | 2022-03-25 | 南通力联自动化科技有限公司 | Double-channel intelligent filtering system and method |
| CN116143238A (en) * | 2023-01-07 | 2023-05-23 | 珠海格力电器股份有限公司 | Constant-current water purification control method and device, storage medium and water purifier |
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