CN210905691U - Pure water forward flushing system of reverse osmosis filter element - Google Patents
Pure water forward flushing system of reverse osmosis filter element Download PDFInfo
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- CN210905691U CN210905691U CN201921901060.5U CN201921901060U CN210905691U CN 210905691 U CN210905691 U CN 210905691U CN 201921901060 U CN201921901060 U CN 201921901060U CN 210905691 U CN210905691 U CN 210905691U
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Abstract
The utility model discloses a pure water forward flushing system of reverse osmosis filter core, relate to the water purification equipment technical field, including reverse osmosis filter, pure water reflux unit, reverse osmosis filter has the raw water inlet, pure water delivery port and dense water delivery port, raw water inlet is connected to the raw water inlet, pure water outlet device is connected to the pure water delivery port, pure water reflux unit's input and pure water delivery port intercommunication, the output is linked together with the raw water inlet, pure water in the pure water reflux unit flows into reverse osmosis filter through the raw water inlet inside and washes the replacement to this reverse osmosis filter and discharge by dense water delivery port after diluting, can adopt the pure water replacement to wash, dilute and dissolve, improvement flushing effect that can be fine, extension reverse osmosis filter's life.
Description
Technical Field
The utility model belongs to the technical field of water purification equipment technique and specifically relates to a pure water forward flushing system of reverse osmosis filter core.
Background
The reverse osmosis water purification technology is a mainstream water purification technology in the water purification industry, and in order to ensure the stability of the water quality of purified water, avoid the too fast attenuation of the desalination rate of a reverse osmosis membrane and even the blockage of a membrane element, prolong the service life of an RO membrane, and reduce extra consumption, the related technology of membrane surface protection by using reverse osmosis produced water (pure water) is imperative.
The washing of the original reverse osmosis filter core of large-traffic reverse osmosis water purifier, the overwhelming majority is the raw water (running water) through the preliminary treatment directly flows in by the water inlet of reverse osmosis filter core, the waste water outlet is discharged, but this kind of washing technique is because the water of preliminary treatment is not through purification treatment completely, still there are higher salinity and impurity etc. lead to the effect of washing not good, reverse osmosis filter core long-pending can reduce the desalination rate gradually and the water purification effect reduces in the month, membrane element blocks up even, the pure water salt content is high relatively when the machine just begins to make water.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a reverse osmosis filter core's positive flushing system of pure water, the flushing effect that current reverse osmosis flushing system exists is not good in the aim at solution, and the membrane element is short-lived, the relatively poor technical problem of water stability.
In order to solve the technical problem, the utility model provides a basic technical scheme does:
a pure water forward flush system for a reverse osmosis cartridge comprising:
the reverse osmosis filter is provided with a raw water inlet, a pure water outlet and a concentrated water outlet, the raw water inlet is connected with the raw water inlet device, and the pure water outlet is connected with the pure water outlet device;
and the input end of the pure water reflux device is communicated with the pure water outlet, and the output end of the pure water reflux device is communicated with the raw water inlet.
Preferably, the raw water inlet apparatus includes:
the raw water inlet pipe is communicated with the raw water inlet;
leading filter core unit, booster pump, leading filter core unit, booster pump are located respectively on the passageway of raw water inlet tube.
Preferably, the pure water outlet device comprises:
the pure water outlet pipe is communicated with the pure water outlet;
the first check valve is arranged on the passage of the pure water outlet pipe;
the high-pressure switch and the water tap are arranged on the passage of the pure water outlet pipe and are positioned behind the first check valve along the water outlet direction of the pure water outlet pipe.
Preferably, the pure water returning device includes:
the pure water pressurized transfer cavity is communicated with the pure water outlet pipe through a first return pipe, and the first return pipe is positioned in front of the first check valve along the water outlet direction of the pure water outlet pipe;
one end of the second return pipe is communicated with the pure water pressurized transfer cavity, and the other end of the second return pipe is communicated with the raw water inlet pipe;
the second check valve and the electromagnetic valve are arranged on a passage of the second return pipe.
Preferably, the water capacity of the pure water pressurized transfer cavity is 500-1000 ml, and the initial pressure of the pure water pressurized transfer cavity is 2-5 psi.
Preferably, the concentrated water outlet is connected with a waste water drainage device.
Preferably, the wastewater drainage apparatus includes:
the waste water drainage pipe is communicated with the concentrated water outlet;
the waste water flushing electromagnetic valve is arranged on a passage of the waste water drainage pipe.
The utility model has the advantages that:
the reverse osmosis filter of the utility model is provided with a raw water inlet, a pure water outlet and a concentrated water outlet, wherein the raw water inlet is connected with a raw water inlet device, the pure water outlet is connected with a pure water outlet device, the input end of a pure water reflux device is communicated with the pure water outlet, and the output end of the pure water reflux device is communicated with the raw water inlet; pure water in the pure water reflux device flows into the reverse osmosis filter through the raw water inlet, washes, replaces and dilutes the reverse osmosis filter, and then is discharged from the concentrated water outlet;
can adopt the pure water replacement to wash, dilute and dissolve, improvement that can be fine washes the effect, extension reverse osmosis filter's life-span.
Drawings
FIG. 1 is a schematic diagram of a pure water forward flushing system for a reverse osmosis cartridge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
Referring to fig. 1, the present embodiment provides a pure water forward flushing system of reverse osmosis filter core, including reverse osmosis filter 10, pure water reflux unit 20, reverse osmosis filter 10 has raw water inlet 11, pure water delivery port 12 and dense water delivery port 13, raw water inlet 11 connects raw water inlet 30, pure water delivery port 12 connects pure water delivery port 40, the input and the pure water delivery port 12 intercommunication of pure water reflux unit 20, the output is linked together with raw water inlet 11, pure water in the pure water reflux unit 20 flows into reverse osmosis filter 10 through raw water inlet 11 inside and washes the replacement to this reverse osmosis filter 10 and dilutes the back by dense water delivery port 13 and discharges, can adopt the pure water replacement to wash, dilute and dissolve, the improvement that can be fine washes the effect, extension reverse osmosis filter's life-span.
The raw water inlet device 30 includes a raw water inlet pipe 31, a pre-filter unit 32, and a booster pump 33, the raw water inlet pipe 31 is communicated with the raw water inlet 11, and the pre-filter unit 32 and the booster pump 33 are respectively provided on a passage of the raw water inlet pipe 31.
The pure water outlet device 40 comprises a pure water outlet pipe 41, a first check valve 42, a high-voltage switch 43 and a water tap 44, wherein the pure water outlet pipe 41 is communicated with the pure water outlet 12, the first check valve 42 is arranged on a passage of the pure water outlet pipe 41, the high-voltage switch 43 and the water tap 44 are arranged on the passage of the pure water outlet pipe 41 and are positioned behind the first check valve 42 along the water outlet direction of the pure water outlet pipe 41, and pure water generated by the reverse osmosis filter 10 flows through the first check valve 42 and the high-voltage switch 43 and then flows out through the water tap 44.
Above-mentioned pure water reflux unit 20 includes pure water area pressure transfer chamber 21, second back flow pipe 22, second check valve 23, solenoid valve 24, pure water area pressure transfer chamber 21 is through first back flow pipe 25 and pure water outlet pipe 41 intercommunication, first back flow pipe 25 is located the place ahead of first check valve 42 along pure water outlet pipe 41 play water direction, second back flow pipe 22 one end is linked together with pure water area transfer chamber 21, the other end is linked together with raw water inlet tube 31, second check valve 23, solenoid valve 24 is located on the passageway of second back flow pipe 22, raw water can not get into pure water area pressure transfer chamber 21 when guaranteeing machine system water through second check valve 23, and solenoid valve 24 then is used for controlling area and presses the interior pure water discharge water yield of transfer chamber 21. Under the structural prerequisite that does not change traditional reverse osmosis filter 10, this embodiment carries out forward through the pure water and washes, simplifies the rinse-system structure, improves and washes the effect, has improved water stability, has prolonged the membrane element life-span.
Preferably, in order to fully replace the concentrated water in the reverse osmosis filter 10, the water capacity of the pure water pressurized transfer chamber 21 is 500-1000 ml; therefore, the water quantity in the pure water pressurized transfer cavity 20 can be ensured to be enough, and the built-in pressure is 2-5 psi, so that the physical volume of the pure water transfer cavity is reduced as much as possible.
The concentrated water outlet 13 is connected with a wastewater drainage device 50, the wastewater drainage device 50 comprises a wastewater drainage pipe 51 and a wastewater flushing electromagnetic valve 52, the wastewater drainage pipe 51 is communicated with the concentrated water outlet 13, and the wastewater flushing electromagnetic valve 52 is arranged on a passage of the wastewater drainage pipe 51.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (7)
1. A pure water forward flushing system of a reverse osmosis filter element, comprising:
the reverse osmosis filter is provided with a raw water inlet, a pure water outlet and a concentrated water outlet, the raw water inlet is connected with the raw water inlet device, and the pure water outlet is connected with the pure water outlet device;
and the input end of the pure water reflux device is communicated with the pure water outlet, and the output end of the pure water reflux device is communicated with the raw water inlet.
2. The pure water forward flushing system of a reverse osmosis filter element as claimed in claim 1, wherein said raw water inlet means comprises:
the raw water inlet pipe is communicated with the raw water inlet;
leading filter core unit, booster pump, leading filter core unit, booster pump are located respectively on the passageway of raw water inlet tube.
3. The pure water forward flush system of a reverse osmosis cartridge of claim 2, wherein said pure water outlet means comprises:
the pure water outlet pipe is communicated with the pure water outlet;
the first check valve is arranged on the passage of the pure water outlet pipe;
the high-pressure switch and the water tap are arranged on the passage of the pure water outlet pipe and are positioned behind the first check valve along the water outlet direction of the pure water outlet pipe.
4. A pure water forward flush system for a reverse osmosis cartridge according to claim 3 wherein said pure water return means comprises:
the pure water pressurized transfer cavity is communicated with the pure water outlet pipe through a first return pipe, and the first return pipe is positioned in front of the first check valve along the water outlet direction of the pure water outlet pipe;
one end of the second return pipe is communicated with the pure water pressurized transfer cavity, and the other end of the second return pipe is communicated with the raw water inlet pipe;
the second check valve and the electromagnetic valve are arranged on a passage of the second return pipe.
5. The pure water forward flushing system of the reverse osmosis filter element according to claim 4, wherein the water capacity of the pure water pressurized transfer chamber is 500-1000 ml, and the initial pressure of the pure water pressurized transfer chamber is 2-5 psi.
6. The pure water forward flushing system of a reverse osmosis filter element according to any one of claims 1 to 5, wherein the concentrated water outlet is connected with a waste water drainage device.
7. A pure water forward flush system for a reverse osmosis cartridge according to claim 6 wherein said waste water drain comprises:
the waste water drainage pipe is communicated with the concentrated water outlet;
the waste water flushing electromagnetic valve is arranged on a passage of the waste water drainage pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921901060.5U CN210905691U (en) | 2019-11-06 | 2019-11-06 | Pure water forward flushing system of reverse osmosis filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921901060.5U CN210905691U (en) | 2019-11-06 | 2019-11-06 | Pure water forward flushing system of reverse osmosis filter element |
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| CN210905691U true CN210905691U (en) | 2020-07-03 |
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| CN201921901060.5U Active CN210905691U (en) | 2019-11-06 | 2019-11-06 | Pure water forward flushing system of reverse osmosis filter element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115259285A (en) * | 2022-08-26 | 2022-11-01 | 徐细芝 | Water purification equipment and control method thereof |
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2019
- 2019-11-06 CN CN201921901060.5U patent/CN210905691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115259285A (en) * | 2022-08-26 | 2022-11-01 | 徐细芝 | Water purification equipment and control method thereof |
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