CN216997899U

CN216997899U - Water filtration system

Info

Publication number: CN216997899U
Application number: CN202220104817.3U
Authority: CN
Inventors: 刘社军; 曹铭津
Original assignee: Foshan Xinyao Environmental Protection Technology Co Ltd
Current assignee: Foshan Xinyao Environmental Protection Technology Co Ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-07-19
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a water filtering system, which comprises a preposed filter element, a first RO filter element, a second RO filter element, a booster pump, a water tap and a waste water pipeline, wherein the water inlet end of the preposed filter element is communicated with raw water, the water outlet end of the preposed filter element is respectively communicated with the water inlet ends of the first RO filter element and the second RO filter element, the pre-filter core is controlled to be communicated with the first RO filter core and the second RO filter core through a switch valve, a booster pump is arranged between the first RO filter core and the pre-filter core and between the second RO filter core and the pre-filter core, the waste water ends of the first RO filter core and the second RO filter core are communicated with a waste water pipeline, the pure water ends of the first RO filter core and the second RO filter core are communicated with a water tap, the pure water end of the second RO filter core is communicated with the water inlet end of the first RO filter core, and the pure water that is used for supplying the pure water end of second RO filter core to enter into the check valve in the end is intake to first RO filter core to be equipped with between the pure water end of second RO filter core and the first RO filter core end of intaking. According to the utility model, the pure water preparation efficiency can be improved, and the problem of overhigh TDS value of the first cup of water can be solved.

Description

Water filtration system

Technical Field

The utility model relates to the technical field of water purification, in particular to a water filtering system.

Background

The reverse osmosis water purifier is the most common scheme of the existing water inlet equipment, but the existing reverse osmosis water purifier has the following defects: when the reverse osmosis water purifier stops and stands still, the reverse osmosis membrane is in thick water soaking for a long time, so that water at the water inlet end of the reverse osmosis membrane permeates into water at the water outlet end of the pure water, the TDS value of pure water in the pure water end is close to the TDS value of raw water at the water inlet end of the reverse osmosis membrane, and after the reverse osmosis water purifier restarts to produce water, the initially produced TDS value of the pure water greatly exceeds a standard value; secondly, since the reverse osmosis membrane is soaked in raw water for a long time, the service life of the membrane is also affected.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a water filtration system which can realize that the TDS value of first cup of pure water does not exceed the standard value after the water purifier is in standby for a long time.

A water filtering system comprises a preposed filter element, a first RO filter element, a second RO filter element, a booster pump, a water tap and a waste water pipeline, wherein the water inlet end of the preposed filter element is communicated to a raw water position, the water outlet end of the preposed filter element is respectively communicated with the water inlet ends of the first RO filter element and the second RO filter element so as to filter raw water through the first RO filter element and the second RO filter element simultaneously to improve water purifying efficiency, the preposed filter element is controlled to be communicated with the first RO filter element and the second RO filter element through a switch valve, the booster pump is arranged between the first RO filter element and the preposed filter element and the waste water end of the first RO filter element and the waste water pipeline are communicated, the pure water ends of the first RO filter element and the second RO filter element are communicated with the water tap, the pure water end of the second RO filter element is communicated with the water inlet end of the first RO filter element, and be equipped with the pure water that is used for supplying second RO filter core pure water end between the end of intaking of the pure water end of second RO filter core and first RO filter core and can get into the check valve in the end of intaking of first RO filter core to when tap closed, can let the pure water of second RO filter core extrude the end of intaking of first RO filter core in, extrude the unfiltered raw water from the waste water end in the first RO filter core, and then guarantee the first purity of cup water of tap.

On one hand, in the utility model, in normal operation, the water outlet end of the preposed filter element is communicated with the first RO filter element and the second RO filter element, so that raw water is filtered by the first RO filter element and the second RO filter element, and the efficiency of producing pure water can be improved; on the other hand, when tap closed, leading filter core switches on with second RO filter core, just leading filter core seals with first RO filter core, and then in the raw water behind the leading filter core prefilter got into the second RO filter core, and filter into the pure water, because tap is in the closed condition, the pure water that the second RO filter core filtered out can enter into the end of intaking to first RO filter core through the check valve in, and extrude the waste water end of unfiltered raw water from first RO filter core in the first RO filter core, so that be the pure water in the first RO filter core, so that tap opens after the longer time, the pure water TDS value of outflow can not surpass the standard value, and simultaneously, also can increase the life of first RO filter core.

Preferably, the play water end intercommunication of leading filter core has first pipeline, the end intercommunication of intaking of first RO filter core has the second pipeline, the end intercommunication of intaking of second RO filter core has the third pipeline, second pipeline and third pipeline all with first pipeline intercommunication, the booster pump is located on the first pipeline.

Preferably, the switching valve includes a first solenoid valve and a second solenoid valve, the first solenoid valve is disposed on the first pipeline, and the second solenoid valve is disposed on the second pipeline.

Preferably, the switch valve comprises a first conversion valve, the first pipeline is communicated to the water inlet end of the first conversion valve, and the second pipeline and the third pipeline are correspondingly communicated with the water outlet end A and the water outlet end B of the first conversion valve.

Preferably, water filtration system still includes the second change-over valve, the pure water end intercommunication of first RO filter core has the fourth pipeline, the pure water end intercommunication of second RO filter core has the fifth pipeline, tap intercommunication has the sixth pipeline, fourth pipeline and fifth pipeline all with the sixth pipeline intercommunication, be equipped with on the fifth pipeline the second change-over valve, the fifth pipeline holds the intercommunication with the intaking of second change-over valve, the play water C of second change-over valve holds and goes out water D and hold correspond with sixth pipeline and check valve intercommunication.

Preferably, a TDS detection device is arranged on the sixth pipeline.

Preferably, the TDS detection device is arranged on the first pipeline.

Preferably, be equipped with TDS detection device between the waste water end of first RO filter core and the waste water pipeline to the pure water at the second RO filter core gets into in the first RO filter core and washes the in-process, this TDS detection device can detect the TDS value of the waste water of extruding from first RO filter core waste water end, so that whether the waste water of water purifier system knowledge in the first RO filter core is drained.

Preferably, waste water valves are arranged between the first RO filter element and the waste water pipeline and between the second RO filter element and the waste water pipeline.

Preferably, the pre-filter element is composited with the second RO filter element to form a composite filter element.

Compared with the prior art, the water filtering system disclosed by the utility model can improve the efficiency of making pure water on one hand, and can solve the problem of overhigh TDS value of the first cup of water on the other hand, and the practicability is higher.

For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of another embodiment of the present invention.

Reference numerals: 1. a front filter element; 2. a first RO filter element; 3. a second RO cartridge; 4. a booster pump; 5. a faucet; 6. a waste water conduit; 7. a one-way valve; 8. a first conduit; 9. a second pipe; 10. a third pipeline; 11. a fourth conduit; 12. a fifth pipeline; 13. a sixth pipeline; 14. a first solenoid valve; 15. a second solenoid valve; 16. a TDS detection device; 17. a waste water valve; 18. a first switching valve; 19. a second switching valve.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.

The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of implementations consistent with certain aspects of the present disclosure.

The terminology used in the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the present invention relates to a water filtration system, which comprises a pre-filter 1, a first RO filter 2, a second RO filter 3, a booster pump 4, a water tap 5 and a waste water pipeline 6, wherein a water inlet end of the pre-filter 1 is communicated with raw water, a water outlet end of the pre-filter 1 is communicated with water inlet ends of the first RO filter 2 and the second RO filter 3, respectively, the pre-filter 1 is controlled by a switch valve to be communicated with the first RO filter 2 and the second RO filter 3, the booster pump 4 is arranged between the first RO filter 2 and the pre-filter 1 and between the second RO filter 3 and the pre-filter 1, waste water ends of the first RO filter 2 and the second RO filter 3 are communicated with the waste water pipeline 6, pure water ends of the first RO filter 2 and the second RO filter 3 are communicated with the water tap 5, and pure water end of the second RO filter 3 is communicated with a water inlet end of the first RO filter 2, filter the raw water through first RO filter core 2 and second RO filter core 3 simultaneously to improve water purification efficiency, be equipped with the pure water that is used for supplying 3 pure water ends of second RO filter core between the pure water end of second RO filter core 3 and the end of intaking of first RO filter core 2 and can get into first RO filter core 2 and intake the check valve 7 of serving, when tap 5 is closed, can let the pure water of second RO filter core 3 extrude into the end of intaking of first RO filter core 2 in, extrude unfiltered raw water from the waste water end in the first RO filter core 2, and then guarantee the pure degree of 5 first cups of water of tap.

In the utility model, on one hand, during normal operation, the water outlet end of the preposed filter element 1 is communicated with the first RO filter element 2 and the second RO filter element 3, so that raw water is filtered by the first RO filter element 2 and the second RO filter element 3, and the efficiency of producing pure water can be improved; on the other hand, when tap 5 closed, leading filter core 1 switches on with second RO filter core 3, just leading filter core 1 seals with first RO filter core 2, and then the raw water behind leading filter core 1 prefilter gets into in the second RO filter core 3, and filter into out the pure water, because tap 5 is in the off-state, the pure water that second RO filter core 3 filtered out can enter into the end of intaking to first RO filter core 2 through check valve 7 in, and extrude the waste water end of first RO filter core 2 with unfiltered raw water in the first RO filter core 2, so that be the pure water in the first RO filter core 2, so that tap 5 opens after the longer time, the pure water TDS value of outflow can not surpass the standard value, simultaneously, also can increase first RO filter core 2's life.

In this embodiment, leading filter core 1's play water end intercommunication has first pipeline 8, the end intercommunication of intaking of first RO filter core 2 has second pipeline 9, the end intercommunication of intaking of second RO filter core 3 has third pipeline 10, second pipeline 9 and third pipeline 10 all with first pipeline 8 intercommunication, booster pump 4 is located on the first pipeline 8, and then only need a booster pump 4's setting, can switch on leading filter core 1 filtration's raw water to first RO filter core 2 and second RO filter core 3 department.

In an embodiment, as shown in fig. 1, the on-off valve includes a first solenoid valve 14 and a second solenoid valve 15, the first solenoid valve 14 is disposed on the first pipeline 8, and the second solenoid valve 15 is disposed on the second pipeline 9, so as to realize the communication and the sealing between the pre-filter cartridge 1 and the first RO filter cartridge 2 and the second RO filter cartridge 3 through the first solenoid valve 14 and the second solenoid valve 15.

In another embodiment, as shown in fig. 2, the on-off valve includes a first switching valve 18, the first switching valve 18 is a three-way switching valve, the first pipeline 8 is connected to the water inlet end of the three-way switching valve, and the second pipeline 9 and the third pipeline 10 are correspondingly connected to the water outlet a end and the water outlet B end of the three-way switching valve; and then only need set up a first diverter valve and can control leading filter core 1 and first RO filter core 2 and second RO filter core 3 and switch on, it is more convenient to set up.

Preferably, the water filtration system further comprises a second change-over valve 19, the second change-over valve 19 is a three-way change-over valve, the pure water end of the first RO filter element 2 is communicated with a fourth pipeline 11, the pure water end of the second RO filter element 3 is communicated with a fifth pipeline 12, the water tap 5 is communicated with a sixth pipeline 13, the fourth pipeline 11 and the fifth pipeline 12 are both communicated with the sixth pipeline 13, the fifth pipeline 12 is provided with the second change-over valve 19, the fifth pipeline 12 is communicated with the water inlet end of the second change-over valve 19, and the water outlet C end and the water outlet D end of the second change-over valve 19 are correspondingly communicated with the sixth pipeline 13 and the one-way valve 7.

Through setting up second change-over valve 19 on fifth pipeline 12 to when tap 5 closed, can cut off switching on of play water C end and sixth pipeline 13, and then the pure water of second RO filter core 3 only can wash first RO filter core 2 through second change-over valve 19 and check valve 7, and can not increase the water pressure in fourth pipeline 11 and the sixth pipeline 13, avoid in fourth pipeline 11 and the sixth pipeline 13 making the pure water flow backward into the pure water end of first RO filter core 2 because of water pressure is too big, lead to first RO filter core 2 to take place to damage.

In this embodiment, a TDS detecting device 16 is disposed on the sixth pipeline 13 for detecting a TDS value of the pure water flowing out of the faucet 5.

Preferably, the TDS detection device 16 is arranged on the first pipeline 8 to detect a TDS value of the raw water preliminarily filtered by the pre-filter element 1.

In this embodiment, be equipped with TDS detection device 16 between the waste water end of first RO filter core 2 and waste water pipe 6 to wash the in-process in the pure water entering first RO filter core 2 at second RO filter core 3, this TDS detection device 16 can detect the TDS value of the waste water of extruding from first RO filter core 2 waste water end, so that whether the waste water of water purifier system knowledge in first RO filter core 2 is clean.

In this embodiment, a waste water valve 17 is provided between each of the first and

second RO cartridges

2, 3 and the waste water line 6, so as to control the water filtration system.

In this embodiment, the front filter element 1 and the second RO filter element 3 are combined together to form a composite filter element, so that the water filtration system is more integrated and convenient to set.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the utility model, and these changes and modifications are all within the scope of the utility model.

Claims

1. A water filtration system characterized by: including leading filter core, first RO filter core, second RO filter core, booster pump, tap and waste water pipeline, the end of intaking of leading filter core communicates to former water department, the play water end of leading filter core respectively with the end intercommunication of intaking of first RO filter core and second RO filter core to filter the raw water through first RO filter core and second RO filter core simultaneously, in order to improve water purification efficiency, leading filter core passes through the ooff valve control and switches on with first RO filter core and second RO filter core, be equipped with between first RO filter core and second RO filter core and the leading filter core the booster pump, the waste water end of first RO filter core and second RO filter core all with waste water pipeline intercommunication, the pure water end of first RO filter core and second RO filter core all with tap intercommunication, the pure water end of second RO filter core and the end intercommunication of intaking of first RO filter core, and be equipped with between the pure water end of second RO filter core and the end of first RO filter core and be used for second RO filter core pure water end to supply RO filter core end The pure water can get into the check valve that first RO filter core intake the end to when tap closed, can let the pure water of second RO filter core extrude the end of intaking of first RO filter core in, extrude the unfiltered raw water from the waste water end in the first RO filter core, and then guarantee the first purity of cup water of tap.

2. A water filtration system as claimed in claim 1, wherein: the play water end intercommunication of leading filter core has first pipeline, the end intercommunication of intaking of first RO filter core has the second pipeline, the end intercommunication of intaking of second RO filter core has the third pipeline, second pipeline and third pipeline all with first pipeline intercommunication, the booster pump is located on the first pipeline.

3. A water filtration system according to claim 2, wherein: the switch valve comprises a first electromagnetic valve and a second electromagnetic valve, the first electromagnetic valve is arranged on the first pipeline, and the second electromagnetic valve is arranged on the second pipeline.

4. A water filtration system according to claim 2, wherein: the switch valve comprises a first conversion valve, the first pipeline is communicated to the water inlet end of the first conversion valve, and the second pipeline and the third pipeline are correspondingly communicated with the water outlet end A and the water outlet end B of the first conversion valve.

5. The water filtration system of claim 4, wherein: still include the second change-over valve, the pure water end intercommunication of first RO filter core has the fourth pipeline, the pure water end intercommunication of second RO filter core has the fifth pipeline, tap intercommunication has the sixth pipeline, fourth pipeline and fifth pipeline all with sixth pipeline intercommunication, be equipped with on the fifth pipeline the second change-over valve, the fifth pipeline is held the intercommunication with the intaking of second change-over valve, the play water C of second change-over valve holds and goes out water D and hold the correspondence and sixth pipeline and check valve intercommunication.

6. The water filtration system of claim 5, wherein: be equipped with TDS detection device on the sixth pipeline.

7. The water filtration system of claim 6, wherein: be equipped with on the first pipeline TDS detection device.

8. A water filtration system according to any one of claims 1-7, wherein: be equipped with TDS detection device between the waste water end of first RO filter core and the waste water pipeline to wash the in-process in the pure water entering first RO filter core at the second RO filter core, this TDS detection device can detect the TDS value of the waste water of extruding from first RO filter core waste water end, so that whether the waste water of water purifier system knowledge in the first RO filter core is discharged completely.

9. A water filtration system according to any one of claims 1-7, wherein: and waste water valves are arranged between the first RO filter element and the waste water pipeline and between the second RO filter element and the waste water pipeline.

10. A water filtration system according to any one of claims 1-7, wherein: the pre-filter element and the second RO filter element are combined together to form a composite filter element.