CN105000698A - Reverse osmosis water purification and dispensing machine structure and energy saving method therefor - Google Patents
Reverse osmosis water purification and dispensing machine structure and energy saving method therefor Download PDFInfo
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- CN105000698A CN105000698A CN201510407568.XA CN201510407568A CN105000698A CN 105000698 A CN105000698 A CN 105000698A CN 201510407568 A CN201510407568 A CN 201510407568A CN 105000698 A CN105000698 A CN 105000698A
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Abstract
The present invention discloses a reverse osmosis water purification and dispensing machine structure and an energy saving method therefor. An inlet of a self-priming booster pump is connected to an external water source, an outlet of the self-priming booster pump is connected to an inlet of a prefiltering system, and an outlet of the prefiltering system is connected to an inlet of a reverse osmosis membrane; a water outlet end of the reverse osmosis membrane further comprises a purified water outlet and a concentrated water outlet, and purified water accesses a user for use by the purified water outlet. According to the present invention, under conditions of a designed temperature, pressure and the like, the produced purified water is good in water quality, thereby greatly improving the recovery rate of a water purification system; it is ensured that states of the waterway such as the operating pressure is maintained at conditions such as the design pressure, thereby greatly reducing the electrical energy consumption; the concentrated water formed on the surface of the reverse osmosis membrane can be discharged in time when the booster pump performs replenishment for the next time, thereby ensuring the freshness of water entering by the surface of the reverse osmosis membrane, and greatly prolonging the service life of the reverse osmosis membrane; and after operating for every certain period of time M min, Ns flushing is performed, with an intention of washing the reverse osmosis membrane, thereby further prolonging the service life of the reverse osmosis membrane.
Description
Technical field
The present invention relates to a kind of Advanced Treatment of Drinking Water field, particularly relate to a kind of reverse osmosis purifying drinking appliance structure and power-economizing method thereof.
Background technology
Reverse osmosis technology is a kind of membrane separation technique efficiently, have water quality good, consume energy low, pollution-free, technique is simple, easy and simple to handle, its technique advanced person, technically reliable, energy-efficient, simple and easy to do, reduced investment, working cost are low, effectively can remove the dissolved salts in water, colloid, microorganism, organism, bacteria impurities, heavy metal and other objectionable impurities etc., health-benefiting is remarkable, can realize the healthy straight drink of tap water.Be applicable to tap water purifying, pure water preparation, ultrapure water preparation and sea water desaltination etc., the water after process can direct reuse or enter in landscape water body, reservoir, river or lake.Based on above advantage, reverse osmosis technology is more and more subject to people's attention, and has obtained general applying in various countries.
China is vast in territory, each department water quality is not quite similar, reverse osmosis purifying drinking appliance in existing market is only dense than (only dense than referring to the ratio of obtained water purification amount of same time period with the dense water yield, lower same) about 1:3 ~ 1:5, along with the application popularization of reverse osmosis purifying drinking appliance, the direct outer row of reverse osmosis concentrated water wastes water resources greatly.Therefore, study a kind of high clean dense ratio, high system recoveries rate water route configuration power-economizing method have important realistic meaning.Below the citing of main water route coupling in the existing family expenses of China, commercial water purification market:
(1) 50G topping-up pump, adapted 50G reverse osmosis membrane and 300 ~ 420cc waste water ratio;
(2) 75G topping-up pump, adapted 75G reverse osmosis membrane and 550 ~ 600cc waste water ratio;
(3) 100G topping-up pump, adapted 100G reverse osmosis membrane and 700 ~ 800cc waste water ratio.
Be not difficult to find from above example, existing family expenses, commercial water purification market are that the reverse osmosis membrane of how many gallons mates the pump of same gallon and suitable waste water ratio, make clean dense ratio about 1:3 ~ 1:5, thus ensure that the life-span of reverse osmosis membrane.Analyze and find, while it ensures the reverse osmosis membrane life-span, power consumption is comparatively large, is mainly manifested in the waste of water resources, specific as follows: clean dense ratio about 1:3 ~ 1:5, dense water directly enters water drain and greatly wastes water resources.
In order to reduce the dense water yield, a lot of unit adopts the reverse osmosis membrane of how many gallons to mate the pump of same gallon and little waste water ratio, makes the dense water yield the least possible, thus improves the water cleaning systems rate of recovery.Analyze and find, while it improves the water cleaning systems rate of recovery, power consumption is comparatively large, and the life-span of the consumption and reverse osmosis membrane that are mainly manifested in electric energy reduces, specific as follows:
Be described for " 200G reverse osmosis membrane coupling 200G pump and 600cc waste water ratio ", under the condition such as design temperature, pressure, 200G reverse osmosis membrane is prepared water purification flow velocity and is about 525ml/min (per minute ml vol, lower same), 200G water supplying pump flow velocity about 1600 ~ 1900ml/min, 800cc waste water ratio row's concentrated stream speed about 800 ~ 1000ml/min, remaining 100 ~ 600ml/min supplies water owing to can not get rid of at pipeline formation hydraulic pressure, cause water route pressure increase, pressure increase pump working electric current increases, and therefore power consumption increases; Water route pressure increase, water purification flow velocity increases, and reverse osmosis membrane surface salinity increases, and ratio of desalinization lowers, and water purification salinity increases, and the reverse osmosis membrane life-span reduces.
Summary of the invention
The defect existed for above-mentioned prior art or deficiency, the object of the invention is to, and provides a kind of reverse osmosis purifying drinking appliance power-economizing method.Because of water route configuration, energy-conservation innovative method can make complete machine operation realize stabilizing energy-saving fast to the reverse osmosis purifying drinking appliance of the present invention's research, namely improves the water cleaning systems rate of recovery, reduces power consumption, extend the reverse osmosis membrane life-span.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of reverse osmosis purifying drinking appliance structure, comprise spontaneous imbibition booster pump, pre-filtration system and reverse osmosis membrane, wherein, the import of described spontaneous imbibition booster pump is connected to external water source, described self-absorption pressurizing pump outlet connects the import of described pre-filtration system, and the outlet of described pre-filtration system connects the import of described reverse osmosis membrane; Described reverse osmosis membrane water outlet one end also comprises water purification water outlet and dense water water outlet, and water purification uses through described water purification water outlet access user.
Above-mentioned reverse osmosis purifying drinking appliance structure, wherein, described dense water water outlet one end is also provided with waste water ratio electromagnetic valve, and the outlet of described waste water ratio electromagnetic valve connects described dense water water outlet.
Also comprise a kind of power-economizing method of reverse osmosis purifying drinking appliance, wherein, described method is as follows,
Step 1: the water route accessories such as water cleaning systems rate of recovery customization as required or selection reverse osmosis membrane, waste water ratio and topping-up pump; Under the condition such as design temperature, pressure, reverse osmosis membrane is prepared water purification flow velocity and is about Xml/min, waste water ratio row's concentrated stream speed about Y ml/min, and topping-up pump is about Zml/min for water flow velocity, meet X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0);
Step 2: often run certain hour Mmin and rinse Ns.
The power-economizing method of above-mentioned reverse osmosis purifying drinking appliance, wherein, by step 1: reverse osmosis membrane is prepared water purification flow velocity and is about Xml/min, waste water ratio row's concentrated stream speed about Y ml/min, topping-up pump is about Zml/min for water flow velocity, meets X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0), can ensure that the states such as the operating pressure in water route maintain the conditions such as design pressure, considerably reduce the consumption of electric energy.
The power-economizing method of above-mentioned reverse osmosis purifying drinking appliance, wherein, by step 1: reverse osmosis membrane is prepared water purification flow velocity and is about Xml/min, waste water ratio row's concentrated stream speed about Y ml/min, topping-up pump is about Zml/min for water flow velocity, meet X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0), can make reverse osmosis membrane surface formed dense water can on topping-up pump carries out once supply time discharge in time, ensure that the fresh of reverse osmosis membrane surface water inlet, substantially prolongs the life-span of reverse osmosis membrane.
The power-economizing method of above-mentioned reverse osmosis purifying drinking appliance, wherein, by step 2: often run certain hour Mmin and rinse Ns, be intended to clean reverse osmosis membrane, extend the life-span of reverse osmosis membrane further.
The present invention is owing to have employed above-mentioned technology, and the positively effect of generation is:
(1) the present invention is under the condition such as design temperature, pressure, and product water water purification water quality is excellent, substantially increases the water cleaning systems rate of recovery.
(2) the present invention ensures that the states such as the operating pressure in water route maintain the conditions such as design pressure, greatly reduces the consumption of electric energy.
(3) the dense water that formed of reverse osmosis membrane of the present invention surface can on topping-up pump carries out once supply time discharge in time, ensure that the fresh of reverse osmosis membrane surface water inlet, substantially prolongs the life-span of reverse osmosis membrane.
(4) the present invention often runs certain hour Mmin and rinses Ns, is intended to clean reverse osmosis membrane, extends the life-span of reverse osmosis membrane further.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is that the water route, local of water route configuration in the embodiment one of reverse osmosis purifying drinking appliance structure of the present invention and power-economizing method thereof controls schematic diagram;
Fig. 2 is that the water route, local of water route configuration in the embodiment two of reverse osmosis purifying drinking appliance structure of the present invention and power-economizing method thereof controls schematic diagram.
Description of reference numerals:
1-topping-up pump, 2-pre-filtration system, 3-reverse osmosis membrane, 4-waste water ratio electromagnetic valve, 5-water purification water outlet, the dense water water outlet of 6-, 7-reducing valve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
Embodiment one
Shown in Fig. 1, a kind of reverse osmosis purifying drinking appliance structure of the present invention, comprise spontaneous imbibition booster pump 1, pre-filtration system 2 and reverse osmosis membrane 3, wherein, the import of spontaneous imbibition booster pump 1 is connected to external water source, and the outlet of spontaneous imbibition booster pump 1 connects the import of pre-filtration system 2, and the outlet of pre-filtration system 2 connects the import of reverse osmosis membrane 3; Reverse osmosis membrane 3 water outlet one end also comprises water purification water outlet 5 and dense water water outlet 6, and water purification uses through water purification water outlet 5 access user.
Above-mentioned reverse osmosis purifying drinking appliance structure, wherein, dense water water outlet 6 one end is also provided with waste water ratio electromagnetism 4 valve, and the outlet of waste water ratio electromagnetic valve 4 connects dense water water outlet 6.
Also comprise a kind of power-economizing method of reverse osmosis purifying drinking appliance, wherein, method is as follows,
Step 1: the water route accessories such as water cleaning systems rate of recovery customization as required or selection reverse osmosis membrane, waste water ratio and topping-up pump; Under the condition such as design temperature, pressure, reverse osmosis membrane is prepared water purification flow velocity and is about Xml/min, waste water ratio row's concentrated stream speed about Y ml/min, and topping-up pump is about Zml/min for water flow velocity, meet X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0);
Step 2: often run certain hour Mmin and rinse Ns.
The power-economizing method of above-mentioned reverse osmosis purifying drinking appliance, wherein, by step 1: reverse osmosis membrane is prepared water purification flow velocity and is about Xml/min, waste water ratio row's concentrated stream speed about Y ml/min, topping-up pump is about Zml/min for water flow velocity, meets X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0), can ensure that the states such as the operating pressure in water route maintain the conditions such as design pressure, considerably reduce the consumption of electric energy.
The power-economizing method of above-mentioned reverse osmosis purifying drinking appliance, wherein, by step 1: reverse osmosis membrane is prepared water purification flow velocity and is about Xml/min, waste water ratio row's concentrated stream speed about Y ml/min, topping-up pump is about Zml/min for water flow velocity, meet X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0), can make reverse osmosis membrane surface formed dense water can on topping-up pump carries out once supply time discharge in time, ensure that the fresh of reverse osmosis membrane surface water inlet, substantially prolongs the life-span of reverse osmosis membrane.
The power-economizing method of above-mentioned reverse osmosis purifying drinking appliance, wherein, by step 2: often run certain hour Mmin and rinse Ns, be intended to clean reverse osmosis membrane, extend the life-span of reverse osmosis membrane further.
User can further be familiar with characteristic of the present invention and function according to following explanation,
(1) required water cleaning systems rate of recovery ≈ 50%, select 150G reverse osmosis membrane and 300cc waste water ratio, under the condition such as design temperature, pressure, 150G reverse osmosis membrane is prepared pure water flow velocity and is about X=393ml/min, 300cc waste water ratio row's concentrated stream speed about Y=300ml/min, therefore, the topping-up pump that need customize is about Z=700 ~ 780ml/min for water flow velocity under design conditions, in addition, often run Mmin and rinse Ns.So, can realize the high water cleaning systems rate of recovery fast, energy consumption is low, and reverse osmosis membrane life-span length waits stabilizing energy-saving, specific as follows:
1. X+Y ≈ Z (Z >=X+Y >=Z-80 is met, X, Y, Z > 0), make reverse osmosis membrane surface formed dense water can on topping-up pump carries out once supply time discharge in time, ensure that the fresh of reverse osmosis membrane surface water inlet, ensure that the high-quality of producing Water warfare water, while improve the water cleaning systems rate of recovery, extend the life-span of reverse osmosis membrane;
2. meet X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0), ensure that the states such as the operating pressure in water route maintain the conditions such as design pressure, greatly reduce the consumption of electric energy;
3. often run Mmin and rinse Ns, be intended to clean reverse osmosis membrane, extend the life-span of reverse osmosis membrane further.
(2) required water cleaning systems rate of recovery ≈ 70%, select 200G reverse osmosis membrane, customization 200 ~ 250cc waste water ratio, under the condition such as design temperature, pressure, 200G reverse osmosis membrane is prepared pure water flow velocity and is about X=525ml/min, 200 ~ 250cc waste water ratio row's concentrated stream speed about Y=200 ~ 250ml/min, therefore, the topping-up pump that need customize is about Z=725 ~ 835ml/min for water flow velocity under design conditions, in addition, often runs Mmin and rinses Ns.So, can realize the high water cleaning systems rate of recovery fast, energy consumption is low, and reverse osmosis membrane life-span length waits stabilizing energy-saving, specific as follows:
1. X+Y ≈ Z (Z >=X+Y >=Z-80 is met, X, Y, Z > 0), make reverse osmosis membrane surface formed dense water can on topping-up pump carries out once supply time discharge in time, ensure that the fresh of reverse osmosis membrane surface water inlet, ensure that the high-quality of producing Water warfare water, while improve the water cleaning systems rate of recovery, extend the life-span of reverse osmosis membrane;
2. meet X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0), ensure that the states such as the operating pressure in water route maintain the conditions such as design pressure, greatly reduce the consumption of electric energy;
3. often run Mmin and rinse Ns, be intended to clean reverse osmosis membrane, extend the life-span of reverse osmosis membrane further.
Embodiment two
Shown in Figure 2, in the present embodiment, the concrete structure of reverse osmosis purifying drinking appliance comprises: common topping-up pump 1, pre-filtration system 2, reverse osmosis membrane 3, waste water ratio electromagnetic valve 4, water purification water outlet 5, dense water water outlet 6 and reducing valve 7.The import of tap water access pre-filtration system 2, pre-filtration system 2 exports and connects reducing valve 7 import, reducing valve 7 exports and connects spontaneous imbibition booster pump 1 import, spontaneous imbibition booster pump 1 exports and connects reverse osmosis membrane 3 import, water purification uses through water purification water outlet 5 access user, the import of dense water end (W.E.) access waste water ratio electromagnetic valve 4, waste water ratio electromagnetic valve 4 exports and connects dense water water outlet 6.
(1) required water cleaning systems rate of recovery ≈ 50%, customization 130G reverse osmosis membrane, select 300cc waste water ratio, under the condition such as design temperature, pressure, 130G reverse osmosis membrane is prepared pure water flow velocity and is about X=341ml/min, 300cc waste water ratio row's concentrated stream speed about Y=300ml/min, therefore, the topping-up pump that need customize is about Z=640 ~ 720ml/min for water flow velocity under design conditions, in addition, often runs Mmin and rinses Ns.So, can realize the high water cleaning systems rate of recovery fast, energy consumption is low, and reverse osmosis membrane life-span length waits stabilizing energy-saving, specific as follows:
1. X+Y ≈ Z (Z >=X+Y >=Z-80 is met, X, Y, Z > 0), make reverse osmosis membrane surface formed dense water can on topping-up pump carries out once supply time discharge in time, ensure that the fresh of reverse osmosis membrane surface water inlet, ensure that the high-quality of producing Water warfare water, while improve the water cleaning systems rate of recovery, extend the life-span of reverse osmosis membrane;
2. meet X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0), ensure that the states such as the operating pressure in water route maintain the conditions such as design pressure, greatly reduce the consumption of electric energy;
3. often run Mmin and rinse Ns, be intended to clean reverse osmosis membrane, extend the life-span of reverse osmosis membrane further.
(2) required water cleaning systems rate of recovery ≈ 70%, customization 320G reverse osmosis membrane, customization 400cc waste water ratio, under the condition such as design temperature, pressure, 320G reverse osmosis membrane is prepared pure water flow velocity and is about X=838ml/min, 400cc waste water ratio row's concentrated stream speed about Y=400ml/min, therefore, the topping-up pump that need customize is about Z=1240 ~ 1320ml/min for water flow velocity under design conditions, in addition, often runs Mmin and rinses Ns.So, can realize the high water cleaning systems rate of recovery fast, energy consumption is low, and reverse osmosis membrane life-span length waits stabilizing energy-saving, specific as follows:
1. X+Y ≈ Z (Z >=X+Y >=Z-80 is met, X, Y, Z > 0), make reverse osmosis membrane surface formed dense water can on topping-up pump carries out once supply time discharge in time, ensure that the fresh of reverse osmosis membrane surface water inlet, ensure that the high-quality of producing Water warfare water, while improve the water cleaning systems rate of recovery, extend the life-span of reverse osmosis membrane;
2. meet X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0), ensure that the states such as the operating pressure in water route maintain the conditions such as design pressure, greatly reduce the consumption of electric energy;
3. often run Mmin and rinse Ns, be intended to clean reverse osmosis membrane, extend the life-span of reverse osmosis membrane further.
These are only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection domain is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification sheets of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (6)
1. a reverse osmosis purifying drinking appliance structure, comprise spontaneous imbibition booster pump, pre-filtration system and reverse osmosis membrane, it is characterized in that, the import of described spontaneous imbibition booster pump is connected to external water source, described self-absorption pressurizing pump outlet connects the import of described pre-filtration system, and the outlet of described pre-filtration system connects the import of described reverse osmosis membrane; Described reverse osmosis membrane water outlet one end also comprises water purification water outlet and dense water water outlet, and water purification uses through described water purification water outlet access user.
2. reverse osmosis purifying drinking appliance structure according to claim 1, is characterized in that, described dense water water outlet one end is also provided with waste water ratio electromagnetic valve, and the outlet of described waste water ratio electromagnetic valve connects described dense water water outlet.
3. a power-economizing method for reverse osmosis purifying drinking appliance, is characterized in that, described method is as follows,
Step 1: the water route accessories such as water cleaning systems rate of recovery customization as required or selection reverse osmosis membrane, waste water ratio and topping-up pump; Under the condition such as design temperature, pressure, reverse osmosis membrane is prepared water purification flow velocity and is about Xml/min, waste water ratio row's concentrated stream speed about Y ml/min, and topping-up pump is about Zml/min for water flow velocity, meet X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0);
Step 2: often run certain hour Mmin and rinse Ns.
4. the power-economizing method of reverse osmosis purifying drinking appliance according to claim 3, it is characterized in that, by step 1: reverse osmosis membrane is prepared water purification flow velocity and is about Xml/min, waste water ratio row's concentrated stream speed about Y ml/min, topping-up pump is about Zml/min for water flow velocity, meets X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0), can ensure that the states such as the operating pressure in water route maintain the conditions such as design pressure, considerably reduce the consumption of electric energy.
5. the power-economizing method of reverse osmosis purifying drinking appliance according to claim 3, it is characterized in that, by step 1: reverse osmosis membrane is prepared water purification flow velocity and is about Xml/min, waste water ratio row's concentrated stream speed about Y ml/min, topping-up pump is about Zml/min for water flow velocity, meet X+Y ≈ Z (Z >=X+Y >=Z-80, X, Y, Z > 0), can make reverse osmosis membrane surface formed dense water can on topping-up pump carries out once supply time discharge in time, ensure that the fresh of reverse osmosis membrane surface water inlet, substantially prolongs the life-span of reverse osmosis membrane.
6. the power-economizing method of reverse osmosis purifying drinking appliance according to claim 3, is characterized in that, by step 2: often run certain hour Mmin and rinse Ns, be intended to clean reverse osmosis membrane, extend the life-span of reverse osmosis membrane further.
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| CN106000111A (en) * | 2016-07-13 | 2016-10-12 | 王龙 | Filter element washing protecting system in reverse osmosis water production system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100270217A1 (en) * | 2006-10-12 | 2010-10-28 | Burrows Bruce D | Drainless reverse osmosis water purification system |
| CN101798128A (en) * | 2010-04-10 | 2010-08-11 | 龙口煤电有限公司 | Underground movable reverse osmosis water treating equipment and treating process thereof for coal mine |
| CN201962148U (en) * | 2011-04-18 | 2011-09-07 | 张学武 | Reverse osmosis water purifier without effluent discharge |
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Application publication date: 20151028 |