CN214243875U - Novel reverse osmosis filter element without pollution of pure water - Google Patents
Novel reverse osmosis filter element without pollution of pure water Download PDFInfo
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- CN214243875U CN214243875U CN202022181656.1U CN202022181656U CN214243875U CN 214243875 U CN214243875 U CN 214243875U CN 202022181656 U CN202022181656 U CN 202022181656U CN 214243875 U CN214243875 U CN 214243875U
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- pure water
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Abstract
The utility model belongs to the technical field of water treatment devices, in particular to a novel reverse osmosis filter element without pure water pollution, which provides the following proposal aiming at the problem of the prior decompression and forward osmosis pollution, which comprises a diaphragm group, a central pipe and a central pipe water tank, wherein the diaphragm group is wound on the central pipe, the central pipe water tank is fixedly connected with one end of the central pipe, the two ends of the diaphragm group are respectively provided with a diaphragm group water inlet end and a diaphragm group concentrated water outlet end, the central pipe is provided with a central pipe small pure water port, the fixed cover of outer wall of center tube is equipped with the center tube sealing washer, the top fixedly connected with filter core fixed column of center tube water tank, the utility model discloses simple structure has solved the problem of decompression just permeating the pollution, has prevented the pollutant in the dense water to enter into the pure water end, and the protection pure water is not polluted, has protected people's drinking water safety, has practiced thrift the water resource to a certain extent.
Description
Technical Field
The utility model relates to a water treatment ware technical field especially relates to a novel reverse osmosis filter core that pure water is pollution-free.
Background
In the reverse osmosis filter element on the market, due to the problem of decompression and forward osmosis of the reverse osmosis membrane after shutdown, pollutants in concentrated water enter a pure water end, so that pure water is polluted and the health of a human body is harmed.
The prior reverse osmosis filter elements have small flow rates of 50G, 75G and 100G, the membrane area is small, and the problem of concentrated water pressure loss and forward osmosis is slight; with the use of higher flow reverse osmosis cartridges in recent years, such as: 400G/600G/800G and the like, the problem of pressure loss forward osmosis pollution is more and more serious, and pollutants in the concentrated water enter a pure water end to pollute the pure water, so that the concentrated water is harmful to human health, cannot be drunk and can only be poured out, and the water resource is greatly wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defect of decompression and forward osmosis pollution in the prior art and providing a novel reverse osmosis filter element without pollution of pure water.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel reverse osmosis filter element without pollution of pure water comprises a membrane group, a central pipe and a central pipe water tank, wherein the membrane group is wound on the central pipe, the central pipe water tank is fixedly connected with one end of the central pipe, the two ends of the membrane group are respectively provided with a membrane group water inlet end and a membrane group concentrated water outlet end, the central pipe is provided with a central pipe small pure water port, the outer wall of the central pipe is fixedly sleeved with a central pipe sealing ring, the top of the central pipe water tank is fixedly connected with a filter element fixing column, the bottom of the central pipe water tank is fixedly connected with a water inlet cavity, one side of the bottom of the central pipe water tank is provided with a water inlet, the outer wall of the central pipe water tank is provided with a plurality of central pipe water collecting holes, a water inlet one-way valve is arranged in the water inlet, the other side of the bottom of the central pipe water tank is provided with a water tank pure water outlet, and the water tank is fixedly provided with the water storage tank on the inner wall of the central pipe water tank, the water in the water tank can flow into the water inlet cavity and then flow into the membrane group, the concentrated water in the membrane group is discharged in a squeezing mode, and a water tank diversion trench is fixedly arranged on the inner wall of the central pipe water tank.
Preferably, the central tube is fixedly connected with a central tube thread, a central tube thread sealing ring is fixedly arranged on the inner wall of the central tube thread, a central tube large pure water port is arranged at the other end of the central tube, and a large pure water port one-way valve is arranged in the central tube large pure water port.
Preferably, one side fixedly connected with reverse osmosis filter core of center tube water tank, reverse osmosis filter core is provided with water tank manger plate rubber ring, the reverse osmosis filter core other end is provided with dense water manger plate rubber ring.
Preferably, a water tank pure water outlet one-way valve is arranged in the water tank pure water outlet.
Preferably, the membrane group material can be any one of a nanofiltration membrane and a reverse osmosis membrane.
In the utility model, water is fed in, the water pressure opens the water inlet one-way valve and flows into the water inlet cavity, the water pressure of the water stored in the water inlet cavity is increased and is larger than the pressure of no water stored in the central pipe water tank, the water tank one-way valve is closed by pressure difference, the water can only flow into the water inlet end of the diaphragm group, the diaphragm group starts to work under the driving of the pressure of the water inlet, the generated concentrated water flows out from the concentrated water outlet end of the diaphragm group, most of the generated pure water flows out from the large pure water port of the central pipe, and a small part of the pure water flows into the central pipe water tank from the small pure water port of the central pipe;
after working for a period of time, the central pipe water tank is filled with pure water, the pressure of the stored water is equal to the pressure of the inlet water, and the pure water generated by the diaphragm group flows out from a large pure water port of the central pipe;
the water inlet is stopped, the water pressure of the inlet water is smaller than the water pressure in the water inlet cavity, the pressure difference closes the one-way valve of the large pure water port, the stored water in the water inlet cavity cannot flow out from the water inlet, and only flows into the diaphragm group, along with the outflow of the concentrated water in the diaphragm group, the stored water in the diaphragm group and the water inlet cavity is continuously reduced, the pressure gradually drops, when the pressure difference is smaller than the pressure of the stored water in the central pipe water tank, the one-way valve of the pure water outlet of the water tank is opened by the pressure difference, the stored water in the central pipe water tank flows into the water inlet cavity, and then enters the diaphragm group from the water inlet end of the diaphragm group, the concentrated water in the diaphragm group is extruded, so that the diaphragm group is filled with the pure water, the forward osmosis pollution of the concentrated water in the diaphragm group is eliminated, and the harmful pollutants in the concentrated water cannot pollute the pure water end.
The utility model discloses simple structure has solved the problem that the decompression is just permeating the pollution, has prevented the polluting substances in the dense water to enter into the pure water end, and the protection pure water is not polluted, has protected people's drinking water safety, has practiced thrift the water resource to a certain extent.
Drawings
Fig. 1 is a schematic diagram of a three-dimensional structure of a novel reverse osmosis filter element without pure water pollution provided by the utility model;
FIG. 2 is a schematic view of a front view cross-sectional structure of a novel reverse osmosis filter element without pure water pollution provided by the present invention;
fig. 3 is a schematic side view of the novel reverse osmosis filter element without pure water pollution according to the present invention;
fig. 4 is a schematic structural diagram of a filter element central tube and a central tube water tank of the novel reverse osmosis filter element without pure water pollution provided by the utility model;
FIG. 5 is a schematic view of a cross-sectional structure of a central tube of a novel reverse osmosis filter element and a central tube water tank of the pure water pollution-free reverse osmosis filter element of the present invention;
fig. 6 is a side view schematic diagram of the filter element central tube and the central tube water tank of the novel reverse osmosis filter element without pure water pollution provided by the utility model.
In the figure: 1. a central tube water tank; 2. a water retaining rubber ring of the water tank; 3. a set of diaphragms; 4. a reverse osmosis filter element; 5. a concentrated water retaining rubber ring; 6. a membrane group concentrated water outlet end; 7. a central tube; 8. a central tube large pure water port; 9. a central tube seal ring; 10. a water inlet; 11. a filter element fixing column; 12. The water tank stores water; 13. central tube thread; 14. a water inlet one-way valve; 15. a central tube water collection hole; 16. a large pure water port one-way valve; 17. a central tube thread sealing ring; 18. a pure water outlet one-way valve of the water tank; 19. a central tube small pure water port; 20. a water tank diversion trench; 21. a pure water outlet of the water tank; 22. a water inlet cavity; 23. the diaphragm group is provided with a water inlet end.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-6, a novel reverse osmosis filter element without pollution for pure water comprises a membrane group 3, a central tube 7 and a central tube water tank 1, wherein the membrane group 3 is wound on the central tube 7, the central tube water tank 1 is fixedly connected with one end of the central tube 7, two ends of the membrane group 3 are respectively provided with a membrane group water inlet end 23 and a membrane group concentrated water outlet end 6, the central tube 7 is provided with a central tube small pure water port 19, the outer wall of the central tube 7 is fixedly sleeved with a central tube sealing ring 9, the top of the central tube water tank 1 is fixedly connected with a filter element fixing column 11, the bottom of the central tube water tank 1 is fixedly connected with a water inlet cavity 22, one side of the bottom of the central tube water tank 1 is provided with a water inlet 10, the outer wall of the central tube water tank 1 is provided with a plurality of central tube water collecting holes 15, a water inlet one-way valve 14 is arranged in the water inlet 10, and the other side of the bottom of the central tube water tank 1 is provided with a pure water outlet 21, the inner wall of the central pipe water tank 1 is fixedly provided with a water tank water storage 12, water in the water tank water storage 12 can flow into the water inlet cavity 22 and then flow into the diaphragm group 3, dense water in the diaphragm group 3 is discharged in a squeezing mode, and the inner wall of the central pipe water tank 1 is fixedly provided with a water tank diversion trench 20.
Example two
The embodiment is improved on the basis of the first embodiment: a central tube 7 is fixedly connected with a central tube thread 13, the inner wall of the central tube thread 13 is fixedly provided with a central tube thread sealing ring 17, the other end of the central tube 7 is provided with a central tube large pure water port 8, a large pure water port one-way valve 16 is arranged in the central tube large pure water port 8, most of pure water flows out from the central tube large pure water port 8, one side of the central tube water tank 1 is fixedly connected with a reverse osmosis filter element 4, the reverse osmosis filter element 4 is provided with a water tank water retaining rubber ring 2, the other end of the reverse osmosis filter element 4 is provided with a concentrated water retaining rubber ring 5, the concentrated water retaining rubber ring 5 prevents the concentrated water outlet end 6 of the water inlet membrane group from being communicated with a water tank pure water outlet 21, a water tank pure water outlet one-way valve 18 is arranged in the water tank pure water outlet one-, any one of reverse osmosis membranes.
The working principle is as follows: the pure water outlet one-way valve 18 of the water tank at the bottom is controlled to be opened and closed through the pressure difference between the pure water stored in the central pipe water tank 1 and the water inlet cavity 22, and the stored pure water is used for extruding out the concentrated water in the membrane group 3, so that the membrane group 3 is filled with the pure water, forward osmosis pollution of the concentrated water in the membrane group 3 is eliminated, and harmful pollutants in the concentrated water cannot pollute a pure water end.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A novel reverse osmosis filter element without pollution of pure water comprises a membrane group (3), a central tube (7) and a central tube water tank (1), and is characterized in that the membrane group (3) is wound on the central tube (7), one end of the central tube water tank (1) is fixedly connected with one end of the central tube (7), two ends of the membrane group (3) are respectively provided with a membrane group water inlet end (23) and a membrane group concentrated water outlet end (6), the central tube (7) is provided with a central tube small pure water port (19), the outer wall of the central tube (7) is fixedly sleeved with a central tube sealing ring (9), the top of the central tube water tank (1) is fixedly connected with a filter element fixing column (11), the bottom of the central tube water tank (1) is fixedly connected with a water inlet cavity (22), one side of the bottom of the central tube water tank (1) is provided with a water inlet (10), the outer wall of the central tube water tank (1) is provided with a plurality of central tube water collecting holes (15), the water inlet (10) is provided with a water inlet check valve (14) in a built-in mode, the other side of the bottom of the central pipe water tank (1) is provided with a water tank pure water outlet (21), the inner wall of the central pipe water tank (1) is fixedly provided with a water tank water storage chamber (12), water stored in the water tank water storage chamber (12) can flow into the water inlet cavity (22) and then flow into the diaphragm group (3), thick water in the diaphragm group (3) is discharged in a squeezing mode, and the inner wall of the central pipe water tank (1) is fixedly provided with a water tank diversion trench (20).
2. The novel reverse osmosis filter element free of pollution of pure water as claimed in claim 1, wherein the central tube (7) is fixedly connected with a central tube thread (13), a central tube thread sealing ring (17) is fixedly arranged on the inner wall of the central tube thread (13), the other end of the central tube (7) is provided with a central tube large pure water port (8), and a large pure water port check valve (16) is arranged in the central tube large pure water port (8).
3. The novel reverse osmosis filter element free of pure water pollution as claimed in claim 1, wherein a reverse osmosis filter element (4) is fixedly connected to one side of the central tube water tank (1), the reverse osmosis filter element (4) is provided with a water tank water retaining rubber ring (2), and the other end of the reverse osmosis filter element (4) is provided with a concentrated water retaining rubber ring (5).
4. A novel reverse osmosis filter element free of pollution by pure water according to claim 1, characterized in that a water tank pure water outlet check valve (18) is arranged in the water tank pure water outlet (21).
5. The novel reverse osmosis filter element without pure water pollution of claim 1, wherein the material of the membrane group (3) can be any one of a nanofiltration membrane and a reverse osmosis membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022181656.1U CN214243875U (en) | 2020-09-29 | 2020-09-29 | Novel reverse osmosis filter element without pollution of pure water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022181656.1U CN214243875U (en) | 2020-09-29 | 2020-09-29 | Novel reverse osmosis filter element without pollution of pure water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214243875U true CN214243875U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022181656.1U Active CN214243875U (en) | 2020-09-29 | 2020-09-29 | Novel reverse osmosis filter element without pollution of pure water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214243875U (en) |
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2020
- 2020-09-29 CN CN202022181656.1U patent/CN214243875U/en active Active
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