Water purification system and water purification equipment having the same

Abstract

The present invention relates to the technical fields of water purification and flushing, and discloses a water purification system and a water purification device having the water purification system, including: a post-treatment subsystem; a water pump disposed at the front end of the post-treatment subsystem; an ultrafiltration composite filter element having a water inlet and a purified water outlet formed thereon; and a raw water inlet pipeline communicating with the water inlet of the ultrafiltration composite filter element, wherein the ultrafiltration composite filter element is disposed at the front end of the water pump, the water inlet of the water pump is communicated with the purified water outlet, and the water outlet of the water pump is communicated with the post-treatment subsystem to convey the purified water filtered by the ultrafiltration composite filter element into the post-treatment subsystem. The water purification system has the advantages of not needing to frequently replace the filter element, being able to realize mutual flushing of the filter elements, and having a good user experience.

Claims

1. A water purification system, characterized in that, Comprising: A post-treatment subsystem; A water pump, arranged at the front end of the post-treatment subsystem; An ultrafiltration composite filter element, on which a water inlet and a purified water outlet are configured. The water inlet includes a first water inlet and a second water inlet, and the purified water outlet includes a first purified water outlet and a second purified water outlet; and A raw water inlet pipeline, communicating with the water inlet of the ultrafiltration composite filter element. Wherein, the ultrafiltration composite filter element is arranged at the front end of the water pump, the water inlet of the water pump is communicated with the purified water outlet, and the water outlet of the water pump is communicated with the post-treatment subsystem to convey the purified water filtered by the ultrafiltration composite filter element into the post-treatment subsystem; A filter element seat body, adapted to be hermetically and cooperatively connected with the open end of the ultrafiltration composite filter element, and provided with annular channels equal in number to the total number of water inlets and outlets; The first purified water outlet and the second purified water outlet are two independent outlets, respectively communicated with an external pipeline; the filter element seat body includes: a first annular channel, communicated with the first water inlet, and the first annular channel is provided with a first annular channel opening, adapted to communicate the first water inlet with the external pipeline; a second annular channel, communicated with the first purified water outlet, and the second annular channel is provided with a second annular channel opening, adapted to communicate the first purified water outlet with the external pipeline; a third annular channel, communicated with the second water inlet, and the third annular channel is provided with a third annular channel opening, adapted to communicate the second water inlet with the external pipeline; a central circular channel, communicated with the second purified water outlet, and the central circular channel is provided with a central circular channel opening, adapted to communicate the second purified water outlet with the external pipeline, and the central circular channel opening is communicated with the second annular channel opening; a total purified water port, communicated with the central circular channel opening and the second annular channel opening, adapted to communicate the first purified water outlet and the second purified water outlet with the external pipeline; Or, the first purified water outlet and the second purified water outlet are communicated and converge inside the ultrafiltration composite filter element to a confluence outlet, and the confluence outlet is communicated with the external pipeline; the filter element seat body includes: a first annular channel, communicated with the first water inlet, and the first annular channel is provided with a first annular channel opening, adapted to communicate the first water inlet with the external pipeline; a third annular channel, communicated with the second water inlet, and the third annular channel is provided with a third annular channel opening, adapted to communicate the second water inlet with the external pipeline; a central circular channel, communicated with the confluence outlet, and the central circular channel is provided with a central circular channel opening, adapted to communicate the confluence outlet with the external pipeline; a total purified water port, communicated with the central circular channel through the central circular channel opening, adapted to communicate the confluence outlet with the external pipeline.

2. The water purification system according to claim 1, wherein The post-treatment subsystem includes a pretreatment module communicated with the water outlet of the water pump, a fine filter element connected to the pretreatment module, and a post-treatment filter element connected to the fine filter element.

3. The water purification system according to claim 2, wherein, The water purification system further includes a wastewater pipeline, the wastewater pipeline is connected to the fine filter element, and a first control valve is arranged on the wastewater pipeline.

4. The water purification system according to claim 2, characterized in that A second control valve and a flow meter are respectively provided on the pipeline connecting the ultrafiltration composite filter element and the water pump. Among them, the second control valve can cut off the ultrafiltration composite filter element from the post-treatment subsystem when the whole machine stops; The flow meter can detect the water outlet flow of the ultrafiltration composite filter element to identify flushing.

5. The water purification system according to claim 1, wherein The ultrafiltration composite filter element includes: a housing; An inner housing, nested in the housing, the inner housing is adapted to divide the inner space of the housing into a first filter element chamber and a second filter element chamber, and the open ends of the first filter element chamber and the second filter element chamber are respectively communicated with an external pipeline; A first filter element, arranged in the first filter element chamber, the first filter element is provided with a first ultrafiltration membrane, and is provided with the first water inlet and the first purified water outlet, and the first water inlet and the first purified water outlet are respectively communicated with the inner and outer sides of the first ultrafiltration membrane; A second filter element, arranged in the second filter element chamber, the second filter element is provided with a second ultrafiltration membrane, and is provided with the second water inlet and the second purified water outlet, and the second water inlet and the second purified water outlet are respectively communicated with the inner and outer sides of the second ultrafiltration membrane; The ultrafiltration composite filter element is adapted to switch among three states: a water production state, a state where the first filter element backwashes the second filter element, and a state where the second filter element backwashes the first filter element according to the conduction state of the water inlet and the water outlet.

6. The water purification system according to claim 5, wherein, When the ultrafiltration composite filter element is in the water production state, the first water inlet and the second water inlet are water inlets, the first purified water outlet and the second purified water outlet are water outlets, the first water inlet is communicated with the first filter element chamber, and after passing through the first ultrafiltration membrane, it is communicated with the first purified water outlet; the second water inlet is communicated with the second filter element chamber, and after passing through the second ultrafiltration membrane, it is communicated with the second purified water outlet.

7. The water purification system according to claim 5, wherein When the ultrafiltration composite filter element is in the state where the first filter element backwashes the second filter element, the first water inlet and the second purified water outlet are water inlets, the first purified water outlet and the second water inlet are water outlets, the first water inlet is communicated with the first filter element chamber, and after passing through the first ultrafiltration membrane, it is sequentially communicated with the first purified water outlet, the second purified water outlet, and then communicated with the second water inlet after passing through the second ultrafiltration membrane.

8. The water purification system according to claim 5, wherein When the ultrafiltration composite filter element is in the state where the second filter element backwashes the first filter element, the first purified water outlet and the second water inlet are water inlets, the first water inlet and the second purified water outlet are water outlets, the second water inlet is communicated with the second filter element chamber, and after passing through the second ultrafiltration membrane, it is sequentially communicated with the second purified water outlet, the first purified water outlet, and then communicated with the first water inlet after passing through the first ultrafiltration membrane.

9. The water purification system according to any one of claims 5-8, characterized in that, The arrangement of the first filter element and the second filter element is up and down or inner and outer layers.

10. The water purification system according to claim 1, wherein An integrated valve is provided on the raw water inlet pipeline; [[ID= Valve body, on which a valve body inlet, at least three chambers and at least three outlets are respectively constructed. The at least three chambers include a first chamber, a second chamber and a third chamber. The at least three outlets include a first outlet, a second outlet and a third outlet. Valve core, arranged on the upper end face of the valve body. On the valve core, a valve core inlet and at least three valve core outlets are constructed. The first valve core outlet of the valve core communicates with the first chamber. The second valve core outlet of the valve core communicates with the second chamber. The third valve core outlet of the valve core communicates with the third chamber of the valve body. The valve core inlet communicates with the valve body inlet; and Rotary disk, on which a plurality of flow paths are respectively constructed. By rotating the rotary disk, the corresponding flow paths are made to communicate with the corresponding valve core inlets and valve core outlets, so as to switch each of the flow paths.

11. The water purification system according to claim 10, wherein, The rotary disk includes a first flow path and a second flow path. Among them, when the integrated valve is in the first position, the first flow path and the second flow path are arranged in parallel and connected to the outside.

12. The water purification system according to claim 11, characterized in that, The first flow path communicates the valve core inlet and the first valve core outlet. The second flow path communicates the valve core inlet and the second valve core outlet.

13. The water purification system according to claim 11, wherein, The rotary disk further includes a third flow path and a fourth flow path. The third flow path communicates the valve core inlet and the first valve core outlet. The fourth flow path communicates the second valve core outlet and the third valve core outlet; Or The third flow path communicates the valve core inlet and the second valve core outlet. The fourth flow path communicates the first valve core outlet and the third valve core outlet.

14. The water purification system according to claim 11, characterized in that, When the integrated valve is in the first position and the rotary disk rotates to the first position, the valve core inlet of the valve core communicates with the first valve core outlet through the first flow path of the rotary disk, and the valve core inlet communicates with the second valve core outlet through the second flow path. The first valve core outlet communicates with the first chamber of the valve body, and then the fluid flows out to the outside through the first outlet of the valve body. The second valve core outlet communicates with the second chamber of the valve body, and then the fluid flows out to the outside through the second outlet of the valve body.

15. The water purification system according to claim 13, characterized in that, When the integrated valve is in the second position and the rotary disk rotates to the second position, the valve core inlet communicates with the first valve core outlet through the third flow path of the rotary disk, and the second valve core outlet communicates with the third valve core outlet through the fourth flow path. At this time, the first valve core outlet communicates with the first chamber of the valve body, and the fluid flows out to the outside through the first outlet of the valve body. The fluid then flows back to the second outlet of the valve body through an external pipeline, enters the second chamber, then flows into the third valve core outlet through the fourth flow path of the rotary disk via the second valve core outlet, flows into the third chamber of the valve body through the third valve core outlet, and the fluid is discharged to the outside through the third outlet of the valve body.

16. The water purification system according to claim 13, wherein, When the integrated valve is in the third position, the turntable rotates to the third position. The inlet of the valve core communicates with the second outlet of the valve core through the third flow path of the turntable, and the first outlet of the valve core communicates with the third outlet of the valve core through the fourth flow path. At this time, the second outlet of the valve core communicates with the second chamber of the valve body, and then the fluid flows out to the outside through the second outlet of the valve body. The fluid then flows back to the first outlet of the valve body through the external pipeline, enters the first chamber, and then flows into the third outlet of the valve core through the fourth flow path of the turntable via the first outlet of the valve core, and flows into the third chamber of the valve body through the third outlet of the valve core, and the fluid is discharged to the outside through the third outlet of the valve body.

17. The water purification system according to claim 10, wherein The integrated valve further includes a motor and a gland. Wherein, the gland is arranged on the turntable, and a fixing hole adapted to the motor shaft of the motor is formed on the turntable. The motor is arranged on the gland, and the motor and the gland are connected into one body by fasteners. A through hole is formed on the gland, and the motor shaft of the motor passes through the through hole and can be inserted into the fixing hole. Wherein, the rotation of the motor shaft drives the turntable to rotate.

18. The water purification system according to claim 17, characterized in that, The gland and the valve body are fixedly connected into one body by fasteners to fix the turntable and the valve core between the gland and the valve body.

19. The water purification system according to any one of claims 10 to 18, characterized in that, The integrated valve further includes a sealing member arranged between the valve core and the valve body. The sealing member can seal each chamber of the valve core and form independent chambers in the valve body to connect with each outlet of the valve core.

20. The water purification system according to claim 13, wherein The fourth flow path is configured as a waist-shaped groove. When the integrated valve is in the second position or the third position, the waist-shaped groove will rotate to communicate with two adjacent outlets of the valve core.

21. The water purification system according to claim 2, characterized in that, A first pipeline is connected to the outlet of the post-treatment filter element, and a pressure switch is arranged on the first pipeline.

22. A water purification device, characterized in that, A water purification system according to any one of claims 1 to 21 above.

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