CN218131085U - Filtering membrane cleaning system - Google Patents
Filtering membrane cleaning system Download PDFInfo
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- CN218131085U CN218131085U CN202222384168.XU CN202222384168U CN218131085U CN 218131085 U CN218131085 U CN 218131085U CN 202222384168 U CN202222384168 U CN 202222384168U CN 218131085 U CN218131085 U CN 218131085U
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Abstract
The utility model relates to the technical field of cleaning, and discloses a filtering membrane cleaning system, which comprises a pressure tank, a raw water pipe, a drain pipe and at least two filtering membranes, wherein acid liquor is stored in the pressure tank, and a first high-voltage switch, a first electromagnetic valve and a first three-way joint are sequentially arranged at the water outlet end of the pressure tank; the first three-way joint is respectively communicated with the at least two filtering membranes; the raw water pipe is communicated with a three-way electric valve which is respectively communicated with the drain pipe and the filtering membrane; at least two filtration membranes still are respectively communicated with a water outlet pipe. This system utilizes the water route conduction control of tee bend motorised valve, first solenoid valve, makes two at least filtration membranes can filter out water, and supply the user to use to the raw water, also can make the acidizing fluid outflow in the pressure is irritated, and carry out backward independent washing or wash simultaneously to two at least filtration membranes, not only improves the cleaning efficiency, prolongs filtration membrane's life, can also satisfy the user and can accomplish the washing under the condition of not demolising filtration membrane, and shut down.
Description
Technical Field
The utility model relates to a wash technical field, specifically be a filtration membrane cleaning system.
Background
Chinese patent No. CN2926196Y discloses an apparatus for cleaning a reverse osmosis or nanofiltration membrane element on 25.7.2007, which includes a pressure vessel for mounting the reverse osmosis or nanofiltration membrane element, a water tank for holding a chemical cleaning solution, and a water pump for delivering the chemical cleaning solution in the water tank to the pressure vessel; the cleaning water outlet of the water tank is communicated with the water inlet of the pressure container through the water pump, and the water outlet of the pressure container is communicated with the water return inlet of the water tank through the water pipe. When the device is used, a reverse osmosis or nanofiltration membrane element which is scaled or polluted and blocked in the reverse osmosis or nanofiltration device needs to be detached and placed in a pressure container for drug washing and flushing, and the mode that the filtration equipment needs to be shut down and the reverse osmosis or nanofiltration membrane element needs to be cleaned or maintained is low in efficiency, and the normal filtration and use of a user are greatly influenced due to the fact that the daily maintenance is extremely inconvenient. Therefore, further improvements are necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a filtration membrane cleaning system to overcome the weak point among the prior art.
The filtering membrane cleaning system designed according to the purpose comprises a pressure tank, a raw water pipe, a water discharging pipe and at least two filtering membranes, wherein acid liquor is stored in the pressure tank, and a first high-pressure switch, a first electromagnetic valve and a first three-way joint are sequentially arranged at the water outlet end of the pressure tank; the first three-way joint is respectively communicated with at least two filtering membranes; the raw water pipe is communicated with a three-way electric valve, and the three-way electric valve is respectively communicated with the water drainage pipe and the filtering membrane; at least two filtering membranes are also respectively communicated with a water outlet pipe.
The at least two filtering membranes comprise an ultrafiltration membrane and a reverse osmosis membrane; the water inlet end of the three-way electric valve is communicated with the raw water pipe, one water outlet end of the three-way electric valve is communicated with the water inlet end of the ultrafiltration membrane, the other water outlet end of the three-way electric valve is communicated with a second three-way joint, and the second three-way joint is also communicated with the drain pipe and the drainage end of the reverse osmosis membrane respectively; the first three-way joint is respectively communicated with a second electromagnetic valve, the ultrafiltration membrane water outlet end and the first electromagnetic valve; the second electromagnetic valve is also respectively communicated with an ultrafiltration water outlet pipe and a reverse osmosis membrane water inlet end.
And a third electromagnetic valve is arranged between the second three-way joint and the reverse osmosis membrane drainage end, and the second three-way joint and the reverse osmosis membrane drainage end are communicated through the third electromagnetic valve.
The water outlet end of the reverse osmosis membrane is communicated with a second high-voltage switch, and is communicated with a reverse osmosis water outlet pipe through the second high-voltage switch.
A check valve is further arranged between the reverse osmosis membrane water outlet end and the second high-voltage switch, and the reverse osmosis membrane water outlet end and the second high-voltage switch are communicated through the check valve.
A fourth electromagnetic valve and a booster pump are arranged between the second electromagnetic valve and the water inlet end of the reverse osmosis membrane; the second electromagnetic valve is communicated with the reverse osmosis membrane water inlet end through the fourth electromagnetic valve and the booster pump.
And a flow meter is arranged between the water inlet end of the three-way electric valve and the raw water pipe and is communicated with the raw water pipe through the flow meter.
The utility model discloses an improvement of above-mentioned structure, utilize the tee bend motorised valve, and the water route conduction control of first solenoid valve, make two at least filtration membranes can normally filter out water to the raw water, and supply the user to use, also can make the acidizing fluid outflow in the pressure is irritated, and carry out backward independent washing or wash simultaneously to two at least filtration membranes, not only improve the cleaning efficiency, prolong filtration membrane's life, can also satisfy the user and not demolish filtration membrane, and can accomplish the washing under the condition of shutting down, so that filtration membrane's routine maintenance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1, the filtering membrane cleaning system comprises a pressure tank 1, a raw water pipe 2, a drain pipe 3 and at least two filtering membranes, wherein acid liquor is stored in the pressure tank 1, and a first high-pressure switch 4, a first electromagnetic valve 5 and a first three-way joint 6 are sequentially arranged at the water outlet end of the pressure tank; the first three-way joint 6 is respectively communicated with at least two filtering membranes; the raw water pipe 2 is communicated with a three-way electric valve 7, and the three-way electric valve 7 is respectively communicated with the drain pipe 3 and the filtering membrane; at least two filtering membranes are also respectively communicated with a water outlet pipe.
The embodiment utilizes tee bend motorised valve 7 and the water route conduction control of first solenoid valve 5, makes two at least filtration membranes can normally filter out water to the raw water, and supplies the user to use, also can make the acidizing fluid outflow in the pressure is irritated 1, and carry out backward independent washing or wash simultaneously to two at least filtration membranes, not only improves the cleaning efficiency, prolongs filtration membrane's life, can also satisfy the user and can accomplish the washing under the condition of not demolising filtration membrane, and shut down to be convenient for filtration membrane's routine maintenance.
Specifically, the at least two filtration membranes include an ultrafiltration membrane 8, a reverse osmosis membrane 9; the water inlet end of the three-way electric valve 7 is communicated with the raw water pipe 2, one water outlet end of the three-way electric valve 7 is communicated with the water inlet end of the ultrafiltration membrane 8, the other water outlet end of the three-way electric valve 7 is communicated with a second three-way joint 10, and the second three-way joint 10 is also communicated with the water discharge end of the water discharge pipe 3 and the water discharge end of the reverse osmosis membrane 9 respectively; the first three-way joint 6 is respectively communicated with a second electromagnetic valve 11, an ultrafiltration membrane 8 water outlet end and a first electromagnetic valve 5; the second electromagnetic valve 11 is also respectively communicated with an ultrafiltration water outlet pipe 12 and a reverse osmosis membrane 9 water inlet end.
A third electromagnetic valve 13 is arranged between the second three-way joint 10 and the drainage end of the reverse osmosis membrane 9, and the second three-way joint and the drainage end of the reverse osmosis membrane are communicated through the third electromagnetic valve 13.
The water outlet end of the reverse osmosis membrane 9 is communicated with a second high-voltage switch 14, and is communicated with a reverse osmosis water outlet pipe 15 through the second high-voltage switch 14.
A one-way valve 19 is also arranged between the water outlet end of the reverse osmosis membrane 9 and the second high-pressure switch 14, and the two are communicated through the one-way valve 19.
A fourth electromagnetic valve 16 and a booster pump 17 are arranged between the second electromagnetic valve 11 and the water inlet end of the reverse osmosis membrane 9; the second electromagnetic valve 11 is communicated with the water inlet end of the reverse osmosis membrane 9 through a fourth electromagnetic valve 16 and a booster pump 17.
A flow meter 18 is arranged between the water inlet end of the three-way electric valve 7 and the raw water pipe 2, and the two are communicated through the flow meter 18.
The above members of this embodiment are connected to each other through communication pipes.
The filtration principle of the ultrafiltration membrane 8 is as follows:
1. the first electromagnetic valve 5 stops working, raw water enters the raw water pipe 2 and flows into the three-way electric valve 7 through the flow meter 18, at the moment, the port A and the port B of the three-way electric valve 7 are communicated, the port C is closed, and the raw water flows into the ultrafiltration membrane 8;
2. the water filtered by the ultrafiltration membrane 8 passes through a second electromagnetic valve 11 by a first three-way joint 6 and is divided into two groups of water paths, one group of water flows through an ultrafiltration water outlet pipe 12 and can be used as domestic water for users, and the other group of water flows through a fourth electromagnetic valve 16, is pressurized by a booster pump 17 and then enters a reverse osmosis membrane 9;
3. the water filtered by the reverse osmosis membrane 9 flows into the one-way valve, passes through the second high-voltage switch 14 and then flows through the reverse osmosis water outlet pipe 15 to be supplied to users.
4. The concentrated water generated when the reverse osmosis membrane 9 is operated flows into the second three-way joint 10 through the third electromagnetic valve 13 and is discharged from the drain pipe 3.
The acid washing principle of the ultrafiltration membrane 8 is as follows:
1. acid liquor is stored in the pressure tank 1, and the acid liquor can be added at any time according to the situation;
2. when the first high-pressure switch 4 senses that the water pressure in the pressure tank 1 is too low, the first electromagnetic valve 5 is controlled to work and supply water into the pressure tank 1, and the first electromagnetic valve 5 is controlled to stop supplying water into the pressure tank 1 until the first high-pressure switch 4 senses that the water pressure in the pressure tank 1 reaches a preset value;
3. the ultrafiltration membrane 8 starts to be washed, the port B and the port C of the three-way electric valve 7 are communicated, the port A is closed, the first electromagnetic valve 5 controls the stored water in the pressure tank 1 to reversely enter the ultrafiltration membrane 8 through the first three-way joint 6, the ultrafiltration membrane 8 is reversely washed, and the washed sewage flows out through the port B and the port C, passes through the second three-way joint 10 and flows out through the drain pipe 3;
4. after the flushing is finished, the first electromagnetic valve 5 is closed, the port A and the port B of the three-way electric valve 7 are communicated, and the port C is closed.
The acid liquor washing principle of the reverse osmosis membrane 9 is as follows:
1. the first electromagnetic valve 5, the fourth electromagnetic valve 16 and the third electromagnetic valve 13 are opened simultaneously, and the booster pump 17 is started;
2. the stored water in the pressure tank 1 sequentially passes through a first three-way joint 6, a second electromagnetic valve 11, a fourth electromagnetic valve 16 and a booster pump 17 and then enters a reverse osmosis membrane 9, the reverse osmosis membrane 9 is reversely flushed, and the flushed sewage flows out of a drain pipe 3 after passing through a third electromagnetic valve 13 and a second three-way joint 10;
3. the first solenoid valve 5 is closed after the flushing is completed.
The problems are solved:
1. the ultrafiltration membrane 8 can filter substances with the size of 0.01 micron, but substances with the size of about 0.01 micron are easily clamped in through holes of the ultrafiltration membrane 8 to form blockage, and the blockage can be easily removed by backwashing, particularly by acid liquid adding washing, so that the filtering function of the ultrafiltration membrane 8 is more completely reduced.
2. After pure water is separated out by the reverse osmosis membrane 9, the concentration of molten liquid is increased due to water reduction of raw water cations, crystals are easy to be distinguished to be adhered to a membrane wall, the membrane of the part crystallized by the cations loses the permeation function, and the surface crystals are easy to be dissolved by washing, particularly by adding acid liquid, so that the filtering function of the reverse osmosis membrane 9 is more completely reduced.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a filtration membrane cleaning system, includes that pressure irritates (1), former water pipe (2), drain pipe (3), two at least filtration membranes, its characterized in that: acid liquor is stored in the pressure tank (1), and a first high-pressure switch (4), a first electromagnetic valve (5) and a first three-way joint (6) are sequentially arranged at the water outlet end of the pressure tank; the first three-way joint (6) is respectively communicated with at least two filtering membranes; the raw water pipe (2) is communicated with a three-way electric valve (7), and the three-way electric valve (7) is respectively communicated with the drain pipe (3) and the filtering membrane; at least two filtering membranes are also respectively communicated with a water outlet pipe.
2. The filtration membrane cleaning system according to claim 1, wherein: the at least two filtering membranes comprise an ultrafiltration membrane (8) and a reverse osmosis membrane (9); the water inlet end of the three-way electric valve (7) is communicated with the raw water pipe (2), one water outlet end of the three-way electric valve (7) is communicated with the water inlet end of the ultrafiltration membrane (8), the other water outlet end of the three-way electric valve (7) is communicated with a second three-way joint (10), and the second three-way joint (10) is also communicated with the water outlet ends of the drain pipe (3) and the reverse osmosis membrane (9) respectively; the first three-way joint (6) is respectively communicated with a second electromagnetic valve (11), the water outlet end of the ultrafiltration membrane (8) and the first electromagnetic valve (5); the second electromagnetic valve (11) is also respectively communicated with an ultrafiltration water outlet pipe (12) and a water inlet end of the reverse osmosis membrane (9).
3. The filtration membrane cleaning system according to claim 2, wherein: and a third electromagnetic valve (13) is arranged between the second three-way joint (10) and the drainage end of the reverse osmosis membrane (9), and the second three-way joint and the drainage end of the reverse osmosis membrane are communicated through the third electromagnetic valve (13).
4. The filtration membrane cleaning system according to claim 2, wherein: the water outlet end of the reverse osmosis membrane (9) is communicated with a second high-voltage switch (14) and communicated with a reverse osmosis water outlet pipe (15) through the second high-voltage switch (14).
5. The filtration membrane cleaning system according to claim 4, wherein: a one-way valve (19) is further arranged between the water outlet end of the reverse osmosis membrane (9) and the second high-pressure switch (14), and the two are communicated through the one-way valve (19).
6. The filtration membrane cleaning system according to claim 2, wherein: a fourth electromagnetic valve (16) and a booster pump (17) are arranged between the second electromagnetic valve (11) and the water inlet end of the reverse osmosis membrane (9); the second electromagnetic valve (11) is communicated with the water inlet end of the reverse osmosis membrane (9) through the fourth electromagnetic valve (16) and the booster pump (17).
7. The filtration membrane cleaning system according to claim 2, wherein: a flow meter (18) is arranged between the water inlet end of the three-way electric valve (7) and the raw water pipe (2), and the two are communicated through the flow meter (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222384168.XU CN218131085U (en) | 2022-09-07 | 2022-09-07 | Filtering membrane cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222384168.XU CN218131085U (en) | 2022-09-07 | 2022-09-07 | Filtering membrane cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218131085U true CN218131085U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222384168.XU Active CN218131085U (en) | 2022-09-07 | 2022-09-07 | Filtering membrane cleaning system |
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| Country | Link |
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| CN (1) | CN218131085U (en) |
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- 2022-09-07 CN CN202222384168.XU patent/CN218131085U/en active Active
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