CN215516863U - A back flush system for pure water - Google Patents
A back flush system for pure water Download PDFInfo
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- CN215516863U CN215516863U CN202023195515.1U CN202023195515U CN215516863U CN 215516863 U CN215516863 U CN 215516863U CN 202023195515 U CN202023195515 U CN 202023195515U CN 215516863 U CN215516863 U CN 215516863U
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Abstract
The utility model discloses a reverse flushing system for purified water, which comprises a water inlet, a PAC composite filter element, a rear activated carbon filter element, a reverse osmosis membrane filter element, a purified water outlet, a concentrated water outlet, a purified water outlet and a faucet, wherein the PAC composite filter element is arranged at the rear of the water inlet; the water inlet is connected to the PAC composite filter element through a water inlet pipeline; a booster pipeline is also arranged between the water inlet of the reverse osmosis membrane filter element and the purified water pipeline, and a first water inlet electromagnetic valve and a booster pump are arranged on the booster pipeline; a pure water circulation pipeline is arranged between the pure water outlet of the reverse osmosis membrane filter element and the rear active carbon filter element, and a high-pressure switch and a check valve are arranged on the pure water circulation pipeline; the pure water circulation pipeline is externally connected with a pure water tank, the pure water produced by the reverse osmosis membrane filter element is stored in the pure water tank by closing the water faucet and prolonging the working water production time of the booster pump, the pure water of the pure water tank is subjected to reverse osmosis washing by the pure water end of the reverse osmosis membrane filter element, the service life of the reverse osmosis membrane filter element is greatly prolonged, and full-time zero-age water is realized.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a water purification technology, in particular to a back flushing system for purified water.
[ background of the utility model ]
In recent years, as environmental problems become more prominent, people's awareness of healthy diet is gradually increased, and concerns about food hygiene, air quality, and water quality safety are increased. The reverse osmosis water purifier on the market at present is generally connected with a PP cotton filter element, a preposed activated carbon filter element, an RO filter element and a postposition activated carbon filter element in sequence, and can implement effective filtration; simultaneously in order to save the pure water after filtering, all set up the pure water case that is used for collecting the storage pure water in water purifier casing inside.
A water purifier is a filtering drinking water device which takes the pressure higher than osmotic pressure as driving force and utilizes the selective permeability that a selective reverse osmosis membrane can only permeate water but can not permeate solute to extract direct drinking water from raw water. When the existing water purifier is used, when a user does not use the water purifier for a long time, purified water on the water purifier becomes old water, if the water purifier is directly drunk, the water purifier is unhealthy, if the old water needs to be removed, the old water needs to be manually removed, and the existing water purifier is complicated and brings great troubles to the use of the user; in addition, some users with poor manual ability may have some difficulties in disassembling the water purifier, so that the user experience of the water purifier is not good. Moreover, the user washes the filter element automatically once after using up water each time, water resources are wasted due to too frequent washing, and the concentrated water after washing the Ro filter element is directly discharged or poured off, so that serious waste is caused to the water resources.
[ Utility model ] content
The utility model provides a reverse flushing system for purified water, which has small volume and convenient control, can carry out targeted flushing according to the actual use condition of an RO membrane, reduces resource waste, greatly prolongs the service life of the RO membrane, and realizes full-time zero-old water.
In order to achieve the purpose, the utility model provides the following technical scheme:
a back flushing system for purified water is used for back flushing of a reverse osmosis membrane filter element and comprises a water inlet, a PAC composite filter element, a rear activated carbon filter element, a reverse osmosis membrane filter element, a purified water outlet, a concentrated water outlet, a pure water outlet and a faucet connected to the pure water outlet;
the water inlet is connected to the PAC composite filter element through a water inlet pipeline, and the PAC composite filter element is communicated with the purified water outlet through a purified water pipeline;
the rear active carbon filter element is communicated with the pure water outlet and the water tap through a pure water pipeline;
the reverse osmosis membrane filter element is communicated with the concentrated water outlet through a concentrated water drainage pipeline, and the concentrated water drainage pipeline is also connected with a combined flushing electromagnetic valve capable of controlling the on-off of the pipeline and flushing;
a pressurizing pipeline for controlling the purified water to enter is arranged between the water inlet of the reverse osmosis membrane filter element and the purified water pipeline, and a first water inlet electromagnetic valve and a pressurizing pump are arranged on the pressurizing pipeline;
a pure water circulation pipeline is arranged between the pure water outlet of the reverse osmosis membrane filter element and the rear active carbon filter element, and a high-pressure switch for controlling the on-off of the pipeline and a check valve for preventing reverse flow are arranged on the pure water circulation pipeline;
the reverse osmosis membrane filter core with still be connected with the pure water case that is used for saving the pure water through the storage pipeline on the pure water circulation pipeline between the high tension switchgear outward, after through closing tap, and prolong booster pump work system water time, let booster pump, reverse osmosis membrane filter core, a pressure is established in the closed water route that pure water case and high tension switchgear formed, the pure water of making through the reverse osmosis membrane filter core passes through the storage pipeline and stores the pure water case in, pure water case water is full to shut down the back, stores the pure water of pure water case and carries out reverse osmosis by the pure water end of reverse osmosis membrane filter core and washes.
Furthermore, a second water inlet electromagnetic valve for controlling the on-off of the pipeline is arranged on the storage pipeline connected with the pure water tank.
Further, still be provided with the source TDS tester of reserving that carries out the TDS test to the water source of intaking on the water inlet pipeline that the water inlet is connected.
Further, the check valve with still be provided with the pure TDS tester of reserving that carries out the TDS test to the pure water on the pure water circulation pipeline between the rearmounted active carbon filter core.
Further, PAC composite filter element and rearmounted active carbon filter core integrated into one piece connect the setting.
The beneficial effects are that:
a pure water tank for storing pure water is externally connected to a pure water circulation pipeline between the reverse osmosis membrane filter element and the high-voltage switch, after a water tap is closed and the working water production time of the booster pump is prolonged, a pressure is established in a closed water path formed by the booster pump, the reverse osmosis membrane filter element, the pure water tank and the high-voltage switch, the pure water produced by the reverse osmosis membrane filter element is stored in the pure water tank through the storage pipeline, after the pure water tank is shut down when water is full, the pure water stored in the pure water tank is subjected to reverse osmosis flushing by a pure water end of the reverse osmosis membrane filter element, the service life of the reverse osmosis membrane filter element is greatly prolonged, and full-time and zero-age water is realized.
In addition, a second water inlet electromagnetic valve for controlling the on-off of the pipeline is also arranged on the storage pipeline connected with the pure water tank, and the pure water tank can be flushed in a targeted manner according to the actual use condition of the reverse osmosis membrane filter element by adding the second water inlet electromagnetic valve for controlling the flushing of the pure water tank; the automatic flushing of the user after water is used up every time is avoided, and water resources are wasted due to too frequent flushing.
[ description of the drawings ]
FIG. 1 is a schematic diagram illustrating the operation of a first embodiment of the present invention;
fig. 2 is a schematic diagram of the working principle of the second embodiment of the present invention.
The utility model is further explained with reference to the drawings and the embodiments.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings.
Example one
A back flushing system for pure water is disclosed, referring to fig. 1, and is used for back flushing of a reverse osmosis membrane filter element, and comprises a water inlet 1, a PAC composite filter element 2, a rear activated carbon filter element 3, a reverse osmosis membrane filter element 4, a pure water outlet 5, a concentrated water outlet 6, a pure water outlet 7 and a water tap 8 connected to the pure water outlet 7; the water inlet 1 is connected to the PAC composite filter element 2 through a water inlet pipeline 9, the PAC composite filter element 2 is communicated with the purified water outlet 5 through a purified water pipeline 10, and a reserved source TDS tester 11 for performing TDS test on a water inlet source is further arranged on the water inlet pipeline 9 connected with the water inlet 1; the rear active carbon filter element 3 is communicated with a pure water outlet 7 and a water tap 8 through a pure water pipeline 12; wherein, PAC composite filter element 2 and rearmounted active carbon filter element 3 integrated into one piece connect the setting.
As shown in fig. 1, the reverse osmosis membrane filter element 4 is communicated with the concentrated water outlet 6 through a concentrated water discharge pipeline 13, and the concentrated water discharge pipeline 13 is also connected with a combined flushing electromagnetic valve 14 which can control the on-off of the pipeline and flush; a pressurizing pipeline 15 for controlling the purified water to enter is also arranged between the water inlet of the reverse osmosis membrane filter element 4 and the purified water pipeline 10, and a first water inlet electromagnetic valve 16 and a pressurizing pump 17 are arranged on the pressurizing pipeline 15; a pure water circulation pipeline 18 is arranged between the pure water discharge port of the reverse osmosis membrane filter element 4 and the rear active carbon filter element 3, a high-voltage switch 19 for controlling the on-off of the pipeline and a check valve 20 for preventing reverse flow are arranged on the pure water circulation pipeline 18, and a reserved pure TDS tester 21 for performing TDS test on pure water is also arranged on the pure water circulation pipeline 18 between the check valve 20 and the rear active carbon filter element 3; a pure water tank 23 for storing pure water is externally connected to the pure water flow line 18 between the reverse osmosis membrane filter element 4 and the high-voltage switch 19 through a storage line 22.
After the water tap 8 is closed and the working water making time of the booster pump 17 is prolonged, a pressure is established in a closed water path formed by the booster pump 17, the reverse osmosis membrane filter element 4, the pure water tank 23 and the high-voltage switch 19, the pure water made by the reverse osmosis membrane filter element 4 is stored in the pure water tank 23 through the storage pipeline 22, and after the pure water tank 23 is shut down completely, the pure water stored in the pure water tank 23 is subjected to reverse osmosis flushing by the pure water end of the reverse osmosis membrane filter element 4.
Example two
As shown in fig. 2, the difference between this embodiment and the first embodiment is that a second water inlet solenoid valve 24 for controlling the on-off of the pure water tank 23 is further provided on the storage line 22 connected to the pure water tank, and by adding a second water inlet solenoid valve 24 for controlling the flushing of the pure water tank 23, the flushing can be performed specifically according to the actual use condition of the ro membrane filter element 4; the automatic flushing of the user after water is used up every time is avoided, and water resources are wasted due to too frequent flushing.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and obvious variations in the shape, structure and principle of the present invention and other modifications without departing from the spirit of the present invention are within the scope of the present invention.
Claims (5)
1. A back flushing system for purified water is used for back flushing of a reverse osmosis membrane filter element and is characterized by comprising a water inlet, a PAC composite filter element, a rear activated carbon filter element, a reverse osmosis membrane filter element, a purified water outlet, a concentrated water outlet, a purified water outlet and a water faucet connected to the purified water outlet;
the water inlet is connected to the PAC composite filter element through a water inlet pipeline, and the PAC composite filter element is communicated with the purified water outlet through a purified water pipeline;
the rear active carbon filter element is communicated with the pure water outlet and the water tap through a pure water pipeline;
the reverse osmosis membrane filter element is communicated with the concentrated water outlet through a concentrated water drainage pipeline, and the concentrated water drainage pipeline is also connected with a combined flushing electromagnetic valve capable of controlling the on-off of the pipeline and flushing;
a pressurizing pipeline for controlling the purified water to enter is arranged between the water inlet of the reverse osmosis membrane filter element and the purified water pipeline, and a first water inlet electromagnetic valve and a pressurizing pump are arranged on the pressurizing pipeline;
a pure water circulation pipeline is arranged between the pure water outlet of the reverse osmosis membrane filter element and the rear active carbon filter element, and a high-pressure switch for controlling the on-off of the pipeline and a check valve for preventing reverse flow are arranged on the pure water circulation pipeline;
and a pure water tank for storing pure water is externally connected to a pure water circulation pipeline between the reverse osmosis membrane filter element and the high-voltage switch through a storage pipeline.
2. The back flushing system for pure water as claimed in claim 1, wherein the storage pipeline connected with the pure water tank is further provided with a second water inlet solenoid valve for controlling the on-off of the pipeline.
3. The back flushing system for purified water as claimed in claim 1, wherein the water inlet pipeline connected with the water inlet is further provided with a reserved source TDS tester for performing TDS test on the water inlet source.
4. The backwashing system for pure water of claim 1, wherein a reserved pure TDS tester for performing TDS testing on pure water is further arranged on a pure water circulation pipeline between the check valve and the rear activated carbon filter element.
5. The back flushing system for purified water as claimed in claim 1, wherein the PAC composite filter cartridge and the rear activated carbon filter cartridge are integrally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023195515.1U CN215516863U (en) | 2020-12-25 | 2020-12-25 | A back flush system for pure water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023195515.1U CN215516863U (en) | 2020-12-25 | 2020-12-25 | A back flush system for pure water |
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| Publication Number | Publication Date |
|---|---|
| CN215516863U true CN215516863U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023195515.1U Active CN215516863U (en) | 2020-12-25 | 2020-12-25 | A back flush system for pure water |
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| CN (1) | CN215516863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115417520A (en) * | 2022-10-17 | 2022-12-02 | 广州沃刻科技有限公司 | Water-drive tank pure water film washing system and method |
| CN115970387A (en) * | 2022-12-22 | 2023-04-18 | 珠海格力电器股份有限公司 | Water purification system, control method, electronic equipment and storage medium |
-
2020
- 2020-12-25 CN CN202023195515.1U patent/CN215516863U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115417520A (en) * | 2022-10-17 | 2022-12-02 | 广州沃刻科技有限公司 | Water-drive tank pure water film washing system and method |
| CN115970387A (en) * | 2022-12-22 | 2023-04-18 | 珠海格力电器股份有限公司 | Water purification system, control method, electronic equipment and storage medium |
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