CN111410326A - Pure water protective film system of large-flow water purifier - Google Patents
Pure water protective film system of large-flow water purifier Download PDFInfo
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- CN111410326A CN111410326A CN202010229211.8A CN202010229211A CN111410326A CN 111410326 A CN111410326 A CN 111410326A CN 202010229211 A CN202010229211 A CN 202010229211A CN 111410326 A CN111410326 A CN 111410326A
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- 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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a pure water protective film system of a large-flow water purifier, which relates to the field of pure water protective films of the large-flow water purifier and aims at solving the problems that an RO (reverse osmosis) film in the existing large-flow water purifier is easy to block and short in service life when being soaked in concentrated water with a high TDS (total dissolved solids) value for a long time. The device has a novel structure, has a good effect of washing the protective film, effectively prolongs the service life of the RO film, reduces the replacement cost, and does not have the problem of poor water quality of the first cup of water.
Description
Technical Field
The invention relates to the field of pure water protective films of large-flow water purifiers, in particular to a pure water protective film system of a large-flow water purifier.
Background
The purifier passes through the water pump to the running water pressure boost, then impurity, bacterium and heavy metal element etc. through the water purification filter core filtering running water are unfavorable for the healthy material of drinking water to reach water purification's purpose, and the purifier on the market realizes the water purification mostly through the RO membrane.
When the small-flow water purifier on the market is used, because the RO membrane water purification effect is slow, a pressure barrel is usually arranged in the water purifier, purified pure water is stored in the pressure barrel, so that water taking is convenient and can be carried out at any time.
When a large-flow water purifier in the market is used, the RO membrane has a high price because the water purifying effect is quick and can directly achieve the effect of taking at any time, and a pressure barrel is not arranged, but when the large-flow water purifier is used, the RO membrane is higher in price, and when the RO membrane is used for a long time, the RO membrane is soaked in concentrated water with a higher TDS value for a long time, a filter element in the RO membrane is easy to crystallize, so that the RO membrane is blocked, the service life of the RO membrane is influenced, and the replacement cost is higher; 2. when the thick water TDS value that RO membrane inner chamber soaked was higher, during subsequent use, the first cup of water of general filtration out, the thick water filterable pure water of soaking inside the membrane of RO usually, its TDS value is higher usually, and quality of water is relatively poor, for this we design a large-traffic purifier pure water protective film system and solve above-mentioned problem.
Disclosure of Invention
The pure water protective film system of the large-flow water purifier solves the problems that an RO film in the large-flow water purifier is easy to block and has short service life when being soaked in concentrated water with a high TDS value for a long time.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-flow water purifier pure water protective film system comprises a water inlet, wherein one end of the water inlet is connected with a preposed filtering component, one side of the preposed filtering component is connected with a water inlet valve, a low-pressure switch is arranged between the water inlet valve and the preposed filtering component, the other side of the water inlet valve is connected with a water pump, a first joint is arranged between the water inlet valve and the water pump, an RO membrane is connected on the water pump, a waste water valve is connected on a waste water discharge pipe of the RO membrane, a waste water outlet is arranged on the other side of the waste water valve, a one-way valve is connected on a pure water discharge pipe of the RO membrane, a second joint is arranged between the pure water discharge pipe of the RO membrane and the one-way valve, the first joint and the second joint are both three-way joints, the first joint and the second joint are connected through a water pipe, the rear filtering component is connected with a water outlet.
Preferably, the high-voltage switch is connected with a water full lamp, when the water outlet is opened to take water, the high-voltage switch and the low-voltage switch are both opened, and the machine is in a water making state; when the water outlet is closed, the high-voltage switch and the low-voltage switch are opened, the water full lamp is lighted, and the lamp enters a protective film state.
Preferably, the prepositive filter component on one side of the low-pressure switch comprises a fiber filter element, a granular activated carbon filter element and a compressed activated carbon filter element, wherein the fiber filter element is arranged between the water inlet valve and the water inlet valve, and the granular activated carbon filter element and the compressed activated carbon filter element are arranged between the water inlet valve and the water pump.
Preferably, the front-mounted filter assembly on one side of the low-pressure switch comprises a composite filter element, the composite filter element comprises a shell, the shell is internally provided with a PP cotton filter element, a carbon fiber filter element, an MF filter element and a granular activated carbon filter element, and the composite filter element is arranged between the water inlet and the water inlet valve.
Preferably, the rear filter assembly comprises a rear activated carbon filter element, and the inside of the rear activated carbon filter element is filled with the granular activated carbon assembly.
Preferably, the low-pressure switch and the high-pressure switch are opened, when the water full lamp is on, the lamp flickers for 3-8 seconds to enter a protective film state, the waste water valve is opened for 2-6 seconds, after half of the concentrated water in the RO film is drained, the waste water valve is closed, the water inlet valve, the water pump and the control valve are opened, after 2-6 seconds, the water inlet valve is closed, the water pump and the control valve are continuously opened for 8-15 seconds, the water pump, the control valve and the waste water valve are closed, and after 1-3 seconds of opening the water inlet valve, the water inlet valve is closed.
Preferably, the low-pressure switch and the high-pressure switch are opened, when the full water lamp is on, the lamp flickers for 3-8 seconds to enter a protective film state, the waste water valve is opened for 2-6 seconds, after half of the concentrated water in the RO film is drained, the waste water valve is closed, the water inlet valve, the water pump and the control valve are opened, the water inlet valve is closed after 2-6 seconds, the water pump and the control valve are continuously opened for 1-4 seconds, the water inlet valve is closed after 1-4 seconds, and the water inlet valve, the water pump, the control valve and the waste water valve are closed after the water inlet valve is repeatedly opened and closed for 2-4 times.
The invention has the beneficial effects that:
1. the pure water that purifies in the RO membrane through the control valve washes the RO membrane after mixing with the raw water, reduces the TDS value in the RO membrane, makes the RO membrane when not using, soaks in the pure water that the TDS value is lower, and the effectual effect that reaches the RO membrane cuticula increases the life of RO membrane to need not frequent change RO membrane, improve economic effects.
2. When the quality of water TDS in the RO membrane is lower, in the follow-up use, the pure water of purification, when going out water, quality of water is better, the relatively poor problem of quality of water of first cup can not appear.
3. The device has no pressure barrel design, simple and convenient wiring and convenient installation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a pre-filter assembly according to an embodiment of the present invention;
FIG. 3 is a diagram of the water inlet valve, high pressure switch, waste valve, control valve and water pump of one embodiment of FIG. 1 in an open or closed state for different periods of time;
FIG. 4 is a diagram showing the condition that the membrane chamber is full of concentrated water during the time period RO T1 in FIG. 3;
FIG. 5 is a diagram showing half of the RO membrane of FIG. 3 with the concentrate in the membrane chamber drained during the time period T2;
FIG. 6 is a state diagram of the water inlet valve, the control valve and the water pump of FIG. 3 at time T3 for starting the supply of raw water and pure water to the cavity of the RO membrane;
FIG. 7 is a diagram illustrating the state that the inlet valve closes the RO membrane at the time period T4 in FIG. 3 to further discharge the concentrated water in the mold cavity;
FIG. 8 is a diagram showing the RO membrane of FIG. 3 with the concentrated water in the membrane chamber further discharged during the period T5;
FIG. 9 is a schematic structural view of a pre-filter assembly according to another embodiment of the present invention;
FIG. 10 is a diagram of the water inlet valve, the high pressure switch, the waste water valve, the control valve and the water pump of FIG. 1 in an open state and a closed state in different time periods according to another embodiment.
Reference numbers in the figures: 1 water inlet, 2 fiber filter elements, 3 water inlet valves, 4 low-pressure switches, 5 granular activated carbon filter elements, 6 compressed activated carbon filter elements, 7 water pumps, 8RO membranes, 9 waste water valves, 10 waste water outlets, 11 one-way valves, 12 high-pressure switches, 13 post-filtration components, 14 water outlets and 15 control valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-10, a pure water protective film system of a large-flow water purifier comprises a water inlet 1, one end of the water inlet 1 is connected with a pre-filter assembly 2, one side of the pre-filter assembly 2 is connected with a water inlet valve 3, a low-pressure switch 4 is arranged between the water inlet valve 3 and the pre-filter assembly 2, the other side of the water inlet valve 3 is connected with a water pump 7, a first joint 5 is arranged between the water inlet valve 3 and the water pump 7, the water pump 7 is connected with an RO membrane 8, a waste water pipe of the RO membrane 8 is connected with a waste water valve 9, the other side of the waste water valve 9 is provided with a waste water port 10, a pure water pipe of the RO membrane 8 is connected with a one-way valve 11, a second joint 6 is arranged between the pure water pipe of the RO membrane 8 and the one-way valve 11, the first joint 5 and the second joint 6, one side of the one-way valve 11 is connected with a post-filter component 13, a high-voltage switch 12 is arranged between the one-way valve 11 and the post-filter component 13, and a water outlet 14 is connected to the post-filter component 13.
The high-voltage switch 12 is connected with a full water lamp, when the water outlet 14 is opened to take water, the high-voltage switch 12 and the low-voltage switch 4 are opened, and the machine is in a water making state; and when the water outlet 14 is closed, the high-voltage switch 12 and the low-voltage switch 4 are closed, the water full lamp is turned on and enters a protective film state, the water full lamp is turned on to remind a user that the device is full of water, and the protective film can be performed, so that the device is convenient to use.
Referring to fig. 2, the pre-filter assembly 2 on one side of the low pressure switch 4 includes a fiber filter element 21, a granular activated carbon filter element 22, and a compressed activated carbon filter element 23, the fiber filter element 21 is disposed between the water inlet 1 and the water inlet valve 3, and the granular activated carbon filter element 22 and the compressed activated carbon filter element 23 are disposed between the water inlet valve 3 and the water pump 7.
Referring to fig. 1 and 9, the pre-filter assembly 2 on one side of the low-pressure switch 4 includes a composite filter element, the composite filter element includes a casing, the casing is internally provided with a PP cotton filter element, a carbon fiber filter element, an MF filter element and a granular activated carbon filter element, and the composite filter element is arranged between the water inlet 1 and the water inlet valve 3.
Referring to fig. 1, the post-filter assembly 13 includes a post-activated carbon filter element, and the inside of the post-activated carbon filter element is filled with a granular activated carbon assembly, so that pure water filtered by an RO membrane is further processed by the post-filter assembly 13, and the water quality safety is effectively ensured.
Referring to fig. 3, when the low-voltage switch 4 and the high-voltage switch 12 are closed, and the full water lamp is on, the lamp flickers for 3-8 seconds to enter a protective film state, the waste water valve 9 is opened for 2-6 seconds, after half of the concentrated water in the RO film 8 is discharged, the waste water valve 9 is closed, the water inlet valve 3, the water pump 7 and the control valve 15 are opened, after 2-6 seconds, the water inlet valve 3 is closed, the water pump 7 and the control valve 15 are continuously opened for 8-15 seconds, the water pump 7 and the control valve 15 are closed, and after 1-4 seconds of opening the water inlet valve, the water inlet valve is.
Referring to fig. 10, when the low-pressure switch 4 and the high-pressure switch 12 are closed, and the full water lamp is on, the lamp flickers for 3-8 seconds to enter a protective film state, the waste water valve 9 is opened for 2-6 seconds, after half of the concentrated water in the RO membrane 8 is discharged, the waste water valve 9 is closed, the water inlet valve 3, the water pump 7 and the control valve 15 are opened, after 2-6 seconds, the water inlet valve 3 is closed, the water pump 7 and the control valve 15 are continuously opened for 1-4 seconds, after 31-4 seconds of opening the water inlet valve, the water inlet valve 3 is closed, and after 2-3 times of opening and closing the water inlet valve 3 are repeated, the water inlet valve 3, the water pump.
The working principle is as follows:
during water production:
the principle is the same as that of a common large-flow water purifier, by opening the water outlet 14, under the action of the low-pressure switch 4 and the high-pressure switch 12, the water inlet valve 3 and the one-way valve 12 are opened, raw water flows into the RO membrane 8 through the suction of the water pump 7 after being filtered by the fiber filter element 2, the granular activated carbon 5 and the compressed activated carbon filter element 6, flows into the rear-mounted filter component 13 through the one-way valve 11 for further filtering after being filtered by the RO membrane 8, and the filtered pure water flows out through the water outlet 14, so that the pure water is prepared from the raw water.
And (3) protecting the film: example one
1. The high-voltage switch 12 and the low-voltage switch 4 are closed, the water-filled lamp flickers for 5 seconds, the magnet RO membrane 8 is filled with concentrated water (refer to figure 4), the waste water valve 9 is opened for 3 seconds, and part of the concentrated water in the cavity of the RO membrane 8 is drained (refer to figure 5);
2. closing the waste water valve 9, opening the water inlet valve 3, the water pump 7 and the control valve 15, and because the one-way valve 11 and the high-voltage switch 12 are closed, the purified pure water of the RO membrane 8 flows back to the water pump 7 to be mixed with the raw water, so as to reduce the TDS value of the raw water, and flows back to the RO membrane 8 under the action of the water pump 7, so as to flush the RO membrane 8 and reduce the TDS value in the RO membrane, and the process lasts for 4 seconds (refer to FIG. 6);
3. closing the water inlet valve 3, continuously opening the water pump 7 and the control valve 15, enabling purified pure water of the RO membrane 8 to flow back to the water pump 7 to suck granular activated carbon 22 and mix with raw water in the compressed activated carbon 23, reducing the TDS value of the raw water, flowing back to the RO membrane 8 under the action of the water pump 7, further washing the RO membrane 8, and reducing the TDS value in the RO membrane, wherein the process lasts for 10 seconds (refer to FIG. 7);
4. the water pump 7, the control valve 15 and the waste water valve 9 are closed, the water inlet valve 3 is started, and raw water in the granular activated carbon 21 and the compressed activated carbon 22 is completely supplemented (refer to fig. 8);
5. when the RO membrane is used in a region with poor water quality, the step 2-4 is repeated for 2 times to operate, so that the TDS value in the RO membrane is effectively reduced, and the effect of protecting the membrane by using pure water is achieved.
And (3) protecting the film: example two
1. The high-voltage switch 12 and the low-voltage switch 4 are closed, the water-filled lamp flickers for 5 seconds, the magnet RO membrane 8 is filled with concentrated water (refer to figure 4), the waste water valve 9 is opened for 3 seconds, and part of the concentrated water in the cavity of the RO membrane 8 is drained (refer to figure 5);
2. closing the waste water valve 9, opening the water inlet valve 3, the water pump 7 and the control valve 15, and because the one-way valve 11 and the high-voltage switch 12 are closed, the purified pure water of the RO membrane 8 flows back to the water pump 7 to be mixed with the raw water, so as to reduce the TDS value of the raw water, and flows back to the RO membrane 8 under the action of the water pump 7, so as to flush the RO membrane 8 and reduce the TDS value in the RO membrane, and the process lasts for 4 seconds (refer to FIG. 6);
3. closing the water inlet valve 3, continuously opening the water pump 7 and the control valve 15 for 2 seconds, opening the water inlet valve 3, closing the water inlet valve 3 after 2 seconds, repeatedly opening and closing the water inlet valve for 2 times, using the RO membrane for a region with poor water quality, controlling the opening and closing times of the water inlet valve 3 to be 4 times, and closing the water inlet valve 3, the water pump 7, the control valve 15 and the waste water valve 9 after the concentrated water in the membrane inner cavity of the RO membrane 8 is completely discharged.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a large-traffic purifier pure water cuticula system, includes water inlet (1), its characterized in that, the one end of water inlet (1) is connected with leading filtering component (2), one side of leading filtering component (2) is connected with water intaking valve (3), and is provided with low-voltage switch (4) between water intaking valve (3) and leading filtering component (2), the opposite side of water intaking valve (3) is connected with water pump (7), be provided with first joint (5) between water intaking valve (3) and water pump (7), be connected with RO membrane (8) on water pump (7), be connected with waste water valve (9) on the waste water drain pipe of RO membrane (8), and the opposite side of waste water valve (9) is provided with waste water mouth (10), be connected with check valve (11) on the pure water drain pipe of RO membrane (8), be provided with second joint (6) between the drain pipe of RO membrane (8) and check valve (11), first joint (5) and second joint (6) are three way connection, and water piping connection between first joint (5) and second joint (6) to be provided with control valve (15), one side of check valve (11) is connected with rearmounted filter assembly (13), be provided with high pressure switch (12) between check valve (11) and rearmounted filter assembly (13), be connected with delivery port (14) on rearmounted filter assembly (13).
2. The system for protecting the water membrane of the high-flow water purifier in accordance with claim 1, wherein the high-pressure switch (12) is connected with a full water lamp, when the water outlet (14) is opened to take water, the high-pressure switch (12) and the low-pressure switch (4) are both opened, and the machine is in a water-making state; when the water outlet (14) is closed, the high-voltage switch (12) and the low-voltage switch (4) are closed, the full water lamp is lighted up, and the lamp enters a protective film state.
3. The large-flow water purifier pure water protective membrane system according to claim 2, wherein the pre-filter assembly (2) on one side of the low-pressure switch (4) comprises a fiber filter element (21), a granular activated carbon filter element (22) and a compressed activated carbon filter element (23), the fiber filter element (21) is arranged between the water inlet (1) and the water inlet valve (3), and the granular activated carbon filter element (22) and the compressed activated carbon filter element (23) are arranged between the water inlet valve (3) and the water pump (7).
4. The system for protecting the water membrane of the large-flow water purifier with pure water according to claim 2, wherein the pre-filter assembly (2) on one side of the low-pressure switch (4) comprises a composite filter element, the composite filter element comprises a shell, the shell is internally provided with a PP cotton filter element, a carbon fiber filter element, an MF filter element and a granular activated carbon filter element, and the composite filter element is arranged between the water inlet (1) and the water inlet valve (3).
5. The system for protecting the water membrane of the large-flow water purifier with pure water according to claim 1, wherein the post-filter assembly (13) comprises a post-activated carbon filter element, and the interior of the post-activated carbon filter element is filled with a granular activated carbon assembly.
6. The large-flow water purifier pure water protective film system according to claim 3, wherein the low-pressure switch (4) and the high-pressure switch (12) are closed, when a full water lamp is on, the low-flow water purifier pure water protective film system flickers for 3-8 seconds and enters a protective film state, the waste water valve (9) is opened for 2-6 seconds, after half of the concentrated water in the RO membrane (8) is drained, the waste water valve (9) is closed, the water inlet valve (3), the water pump (7) and the control valve (15) are opened, after 2-6 seconds, the water inlet valve (3) is closed, the water pump (7) and the control valve (15) are continuously opened for 8-15 seconds, the water pump (7) and the control valve (15) are closed, and after 1-3 seconds of opening the water inlet valve (3), the water inlet.
7. The large-flow pure water protective film system for the water purifier as claimed in claim 4, wherein the low-pressure switch (3) and the high-pressure switch (12) are closed, when a full water lamp is on, the high-flow pure water protective film system flickers for 3-8 seconds and enters a protective film state, the waste water valve (9) is opened for 2-6 seconds, after half of the concentrated water in the RO membrane (8) is drained, the waste water valve (9) is closed, the water inlet valve (3), the water pump (7) and the control valve (15) are opened, after 2-6 seconds, the water inlet valve (3) is closed, after 1-4 seconds, the water inlet valve (3) is opened, and after 2-4 times of repeated opening and closing of the water inlet valve (3), the water pump (7) and the control valve (15) are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010229211.8A CN111410326A (en) | 2020-03-27 | 2020-03-27 | Pure water protective film system of large-flow water purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010229211.8A CN111410326A (en) | 2020-03-27 | 2020-03-27 | Pure water protective film system of large-flow water purifier |
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| CN111410326A true CN111410326A (en) | 2020-07-14 |
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| CN202010229211.8A Withdrawn CN111410326A (en) | 2020-03-27 | 2020-03-27 | Pure water protective film system of large-flow water purifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607887A (en) * | 2020-12-11 | 2021-04-06 | 毕宝艺 | Water purification system based on forward osmosis |
-
2020
- 2020-03-27 CN CN202010229211.8A patent/CN111410326A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607887A (en) * | 2020-12-11 | 2021-04-06 | 毕宝艺 | Water purification system based on forward osmosis |
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Application publication date: 20200714 |
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