CN211339044U - Novel large-flux four-in-one filter element structure - Google Patents
Novel large-flux four-in-one filter element structure Download PDFInfo
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- CN211339044U CN211339044U CN201922141920.6U CN201922141920U CN211339044U CN 211339044 U CN211339044 U CN 211339044U CN 201922141920 U CN201922141920 U CN 201922141920U CN 211339044 U CN211339044 U CN 211339044U
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- filter element
- reverse osmosis
- filter
- end cover
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 166
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 69
- 239000002131 composite material Substances 0.000 claims abstract description 38
- 239000008213 purified water Substances 0.000 claims abstract description 31
- 239000012528 membrane Substances 0.000 claims abstract description 23
- 239000002351 wastewater Substances 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 29
- 238000001914 filtration Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 8
- 239000004831 Hot glue Substances 0.000 claims description 6
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000012510 hollow fiber Substances 0.000 description 9
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 235000013162 Cocos nucifera Nutrition 0.000 description 6
- 244000060011 Cocos nucifera Species 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The utility model discloses a novel large-flux four-in-one filter element structure, which comprises a filter flask, a filter flask cover, a water guide cylinder, a PP composite filter element, a reverse osmosis filter element, a PP upper end cover and a PP lower end cover, wherein the filter flask cover is provided with a raw water inlet, a booster pump water inlet, a pure water outlet, a purified water outlet and a wastewater outlet; the reverse osmosis filter core includes the center tube and twines the reverse osmosis membrane on the center tube, and reverse osmosis filter core upper end cover is installed to reverse osmosis membrane's upper end seal. The utility model discloses rationally distributed, compact structure, reduced manufacturing cost, simplified the overall arrangement of pipeline between the filter core, reduced the volume of filter core greatly, reduced the maintenance cost, solved the secondary pollution problem because of the water storage bucket brings.
Description
Technical Field
The utility model relates to a water purification unit field specifically relates to a big flux four unification filter core structures of volume abandonment formula.
Background
Along with the higher sanitary requirement of people on drinking water, the water purifier is more and more widely used in various occasions (such as families, enterprises, some entertainment places and the like), a front filter element and a reverse osmosis filter element need to be assembled on the traditional reverse osmosis water purifier, and the assembly of the filter elements is generally that one filter bottle is provided with one filter element or one filter bottle is provided with a plurality of front filter elements.
In the prior art, CN 201810043284.0 is named as reverse osmosis composite filter element component; including installation head, filter flask and be located the reverse osmosis filter core of filter flask, the installation head is located the tip of filter flask, the reverse osmosis filter core includes the center tube and the reverse osmosis membrane of winding on the center tube, form raw water guide layer and pure water guide layer in the reverse osmosis membrane, first flow channel in pure water guide layer and the center tube communicates with each other, includes: the device comprises a raw water inlet, a pure water outlet and a concentrated water outlet, wherein the raw water inlet and the concentrated water outlet are positioned on a mounting head, and the pure water outlet is positioned on a filter flask and communicated with one end of a reverse osmosis filter element away from the mounting head; rearmounted purification filter core is located between the tip of reverse osmosis filter core and the diapire of filter flask, including the side of intaking and going out the water side, first flow path intercommunication pure water guide layer and the side of intaking of rearmounted purification filter core, rearmounted purification filter core's play water side and pure water delivery port communicate with each other, and this utility model sets up reverse osmosis filter core and rearmounted purification unit in a filter core subassembly, has reduced the quantity of filter core in the reverse osmosis water purification machine, and is corresponding, has simplified the pipeline overall arrangement between the filter core, simultaneously, also simplifies filter core life-span control and warning and filter core change.
CN 201610277992.1, entitled "a five-in-one flat-pressing filter element for treating drinking water"; the coconut shell activated carbon fiber composite material comprises a sintered coconut shell activated carbon rod, wherein the center position of the sintered coconut shell activated carbon rod is of a hollow structure to form a penetrating inner cavity, a PE primary filter shell is arranged on the outer wall of the sintered coconut shell activated carbon rod, the inner wall of the PE primary filter shell wraps the sintered coconut shell activated carbon rod, a narrow water flow buffer interlayer is formed between the PE primary filter shell and an inner layer carbon rod, a softened resin tank is arranged in the inner cavity of the sintered coconut shell activated carbon rod, cation softened resin is arranged in the cavity of the softened resin tank, a water inlet hole is formed in the upper end of the softened resin tank, a sintered activated carbon tank is arranged at the lower end of the softened resin tank, bromine resin particles are arranged in the cavity at the inlet position of the sintered activated carbon tank, the outlet of the sintered activated carbon tank is connected with the inlet of a hollow fiber filter membrane tank body, and the outlet of the hollow fiber filter membrane tank, hollow fiber ultrafiltration membrane filaments are arranged in the inner cavity of the hollow fiber filtration membrane tank body; the PE primary filter shell is of a cylindrical structure, and is a PE sintered filter element; the upper end of the softened resin tank is packaged with a cover plate, the cover plate is uniformly provided with through water inlet holes, the inner side of the cover plate is provided with a PP cotton gasket, the cavity below the PP cotton gasket is provided with the cation softened resin, five different filtering or processing materials are adopted to manufacture specific modules and are integrated into a whole, the structure is compact, the resistance of water passing is not increased, the original three-stage independent filtering mode is replaced, the size of a filter element is greatly reduced, the product replacement and the installation are convenient, and the use cost is also reduced.
CN 201520157644.1, entitled "a composite integrated multi-membrane filter element"; including straining shell and the filter media in it, the filter media from intaking the end and being hollow fiber membrane, activated carbon fiber filter core and absorption filter media to going out the water end in proper order, strain the shell and be split type detachable construction, strain the shell and include upper cover, inferior valve, upper cover, inferior valve and middle shell cooperation formation detachable construction, the middle shell wherein becomes hollow fiber membrane module with the hollow fiber membrane cooperation, establish absorption filter media, activated carbon fiber filter core in the upper cover internal rotation, upper cover and middle shell spiro union, the membrane head of hollow fiber membrane is arranged in the middle shell, thereby another interface and the inferior valve spiro union of middle shell are arranged the main part of hollow fiber membrane in the inferior valve, make up convenient and fast.
However, the front filter element and the reverse osmosis filter element cannot be installed in the same filter bottle at the same time, and only one filter bottle on one water purifier cannot be installed in the true sense. In view of the above, there is a need for further improvements to the prior art.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a novel big flux four unification filter core structures to solve the shortcoming in the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize:
a novel large-flux four-in-one filter element structure comprises a filter flask, a filter flask cover, a water guide cylinder, a PP composite filter element, a reverse osmosis filter element, a PP upper end cover and a PP lower end cover, wherein the filter flask cover is provided with a raw water inlet, a booster pump water inlet, a pure water outlet, a purified water outlet and a wastewater outlet, the reverse osmosis filter element, the water guide cylinder and the PP composite filter element are sequentially arranged inside the filter flask from inside to outside, a plurality of water guide grooves are axially arranged on the annular outer wall of the water guide cylinder,
a PP composite filter element filtering channel is formed between the water guide cylinder and the filter flask, a PP composite filter element is arranged in the PP composite filter element filtering channel, raw water enters the PP composite filter element filtering channel from a raw water inlet, is filtered to a water guide groove through the PP composite filter element, and is finally led out from a purified water outlet;
the reverse osmosis filter core includes the center tube and twines the reverse osmosis membrane on the center tube, forms reverse osmosis filter passageway between reverse osmosis filter core and the water guide drum, and the inside hollow reverse osmosis filtration of formation of center tube is crossed the water channel, and reverse osmosis membrane's upper end seal mounting has reverse osmosis filter core upper end cover, is equipped with the purified water inlet interface, pure water interface and the waste water interface that intake of corresponding booster pump water inlet, pure water export and waste water export on the reverse osmosis filter core upper end cover, is equipped with the purified water outlet interface on the PP upper end cover.
Furthermore, the outer wall of the PP upper end cover is connected with the inner wall of the water guide cylinder in a sealing mode through a first sealing ring, and the PP upper end cover is connected with the upper end of the reverse osmosis filter element in a sealing mode through a second sealing ring.
Furthermore, each interface is provided with a double-sealing ring groove, and a sealing ring is arranged in the double-sealing ring groove.
Furthermore, the water guide groove is formed by longitudinally communicating cross grooves.
Furthermore, a raw water inlet, a booster pump water inlet, a pure water outlet, a purified water outlet and a waste water outlet are arranged side by side along the radial direction of the filter flask cover.
Further, the raw water inlet, the booster pump water inlet, the pure water outlet, the purified water outlet and the wastewater outlet are not arranged in the same radial direction of the bottle cap; the raw water inlet can be arranged on any position of the circumferential surface of the bottle cap.
Furthermore, the PP composite filter element sequentially comprises a front PP cotton filter element, a front activated carbon filter element and a front non-woven fabric from outside to inside.
Furthermore, the filter flask is welded with the filter flask cover, the PP composite filter element is welded with the PP upper end cover through hot melt adhesive, and the PP composite filter element is welded with the PP lower end cover and the water guide cylinder through hot melt adhesive.
Furthermore, the reverse osmosis filter element and the side surface of the upper end cover of the reverse osmosis filter element are sealed by a waterproof adhesive tape.
The utility model has the advantages that:
1. the utility model discloses the inlet outlet is the inserted bar formula, can be convenient for fix a position fast in the installation on same straight line, effectively promotes filter element group spare assembly efficiency, more can realize fast sealed to inserting, brings more convenience for the use, follow-up change a filter core just can, the water yield is big, solves the problem that brings secondary pollution because of the water storage bucket.
2. The utility model is designed into two cavities on the basis of the traditional filter flask, and the outer cavity is arranged outside the water guide cylinder and is provided with a front filter element; an inner cavity is arranged inside the water guide cylinder, and a reverse osmosis filter element is arranged in the inner cavity; the inner cavity is sealed with the inner wall of the water guide cylinder through the PP upper end cover, when purified water filtered by the front three-stage preposed filter element flows out of the filter flask, is pressurized by the booster pump and then is guided into the inner cavity, and then is filtered by the reverse osmosis filter element, so that waste water and pure water are separated, and the pure water can be directly drunk.
3. Reasonable, the compact structure in overall arrangement, reasonable unobstructed in filter flask the inside water route, the inlet outlet only need distribute one end, beautifully can make the mounting means of filter flask more nimble again promptly, with leading filter core (leading PP cotton filter core, leading activated carbon filter core, leading non-woven fabrics), reverse osmosis filter core integration in a filter flask, reduced manufacturing cost, simplified the overall arrangement of pipeline between the filter core.
4. Adopt one the utility model provides a four unification filter core structures of big flux can replace the using-way of the leading filter core of original water purifier + independent reverse osmosis filter core + water storage bucket, have reduced the volume of filter core greatly, make product change, simple to operate, also reduced the maintenance cost simultaneously, and the water yield is big, solves the secondary pollution problem because of the water storage bucket brings.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a filter flask and a filter flask cover according to a preferred embodiment of the present invention 1;
fig. 3 is a schematic structural view of a PP composite filter element according to a preferred embodiment of the present invention;
fig. 4 is a schematic structural view of a reverse osmosis filter element according to a preferred embodiment of the present invention 1;
fig. 5 is a schematic structural view of a water guiding cylinder according to a preferred embodiment of the present invention 1;
fig. 6 is a top view of a water guiding cylinder according to the preferred embodiment of the present invention 1;
fig. 7 is a sectional view of a water guiding cylinder according to a preferred embodiment of the present invention 1;
fig. 8 is a top view of a filter cap according to a preferred embodiment of the present invention 2;
in the figure, a filter flask 1, a filter flask cover 2, a water guide cylinder 3, a PP composite filter element 4, a reverse osmosis filter element 5, a PP lower end cover 6, a PP upper end cover 7, a reverse osmosis filter element upper end cover 8, a second seal ring 9, a second seal ring 10, a raw water inlet 21, a booster pump water inlet 22, a pure water outlet 23, a purified water outlet 24, a wastewater outlet 25, a water guide groove 31, a front PP cotton filter element 41, a front activated carbon filter element 42, a front non-woven fabric 43, a central tube 51, a reverse osmosis membrane 52, a purified water outlet socket 71, a purified water inlet socket 81, a pure water socket 82, a wastewater socket 83, a PP composite filter element filter channel 100, a reverse osmosis filter channel 200, and a reverse osmosis filtered water channel 300.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Example 1: referring to fig. 1-7, the novel large-flux four-in-one filter element structure comprises a filter bottle 1, a filter bottle cap 2, a water guide cylinder 3, a PP composite filter element 4, a reverse osmosis filter element 5, a PP upper end cap 7 and a PP lower end cap 6, wherein the filter bottle cap 2 is provided with a raw water inlet 21, a booster pump water inlet 22, a pure water outlet 23, a purified water outlet 24 and a wastewater outlet 25, the reverse osmosis filter element 5, the water guide cylinder 3 and the PP composite filter element 4 are sequentially arranged inside the filter bottle 1 from inside to outside, a plurality of water guide grooves 31 are axially arranged on the annular outer wall of the water guide cylinder 3,
a PP composite filter element filtering channel 100 is formed between the water guide cylinder 3 and the filter flask 1, a PP composite filter element 4 is arranged in the PP composite filter element filtering channel 100, raw water enters the PP composite filter element filtering channel 100 from a raw water inlet 21, is filtered to a water guide groove 31 through the PP composite filter element 4, and is finally led out from a purified water outlet 24;
reverse osmosis filter core 5 includes center tube 51 and the reverse osmosis membrane 52 of winding on center tube 51, form reverse osmosis filtration passageway 200 between reverse osmosis filter core 5 and the water guide drum 3, the inside hollow reverse osmosis filtration exhalant canal 300 that forms of center tube 51, reverse osmosis membrane 52's upper end seal mounting has reverse osmosis filter core upper end cover 8, be equipped with on the reverse osmosis filter core upper end cover 8 and correspond booster pump water inlet 22, the purified water inlet interface 81 of pure water export 23 and waste water export 25, pure water interface 82 and waste water interface 83, be equipped with the purified water outlet interface 71 that corresponds purified water export 24 on the PP upper end cover 7.
Further, the outer wall of the PP upper end cover 7 is in sealing connection with the inner wall of the water guide cylinder 3 through a first sealing ring 9, and the PP upper end cover 7 is in sealing connection with the upper end of the reverse osmosis filter element 5 through a second sealing ring 10.
Furthermore, each interface is provided with a double-sealing ring groove, and a sealing ring is arranged in the double-sealing ring groove.
Further, the water guide grooves 31 are formed by longitudinally communicating cross grooves, and the cross grooves can effectively achieve a confluence effect.
Further, the raw water inlet 21, the booster pump water inlet 22, the pure water outlet 23, the purified water outlet 24, and the waste water outlet 25 are arranged side by side in the radial direction of the filter flask cover 2.
Further, the PP composite filter element 4 comprises a front PP cotton filter element 41, a front activated carbon filter element 42 and a front non-woven fabric 43 from outside to inside in sequence.
Further, the filter flask 1 is welded with the filter flask cover 2, the PP composite filter element 4 is welded with the PP upper end cover through hot melt adhesive, and the PP composite filter element 4 is welded with the PP lower end cover 6 and the water guide cylinder 3 through hot melt adhesive.
Furthermore, the side surfaces of the reverse osmosis filter element 5 and the upper end cover 8 of the reverse osmosis filter element are sealed by waterproof adhesive tapes.
The utility model discloses the water filtration process does:
tap water is led into the PP composite filter element filtering channel 100 from the raw water inlet 21, and sequentially passes through the front PP cotton filter element 41, the front activated carbon filter element 42 and the front non-woven fabric 43 to play a role of primary filtering, purified water after primary filtering converges to the water guiding gutter 31, enters the purified water outlet insertion opening 71 along the water guiding gutter 31, is led out from the purified water outlet 24, and then is pumped into the booster pump water inlet 22 from the purified water outlet 24 through a pipeline and a booster pump, the purified water enters the reverse osmosis filtering channel 200 from the booster pump water inlet 22, the purified water enters the filtering through the side part of the reverse osmosis membrane 52, the filtered pure water enters the pure water insertion opening 82 from the reverse osmosis filtering water channel 300, is led out from the pure water outlet 23, and the wastewater enters the wastewater insertion opening 83 and is led out from the wastewater outlet 25.
In example 2, referring to fig. 8, the raw water inlet 21, the booster pump water inlet 22, the pure water outlet 23, the purified water outlet 24 and the waste water outlet 25 are not arranged in the same radial direction of the bottle cap 2; the raw water inlet 21 can be arranged at any position on the circumferential surface of the bottle cap 2, the position of the water inlet hole can be eccentric, and the position of the water inlet hole can be designed at any angle within the range of the filter bottle cap, so that the limitation of a space structure is not easy to be caused, and the flexibility of product design is improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A novel large-flux four-in-one filter element structure is characterized by comprising a filter bottle (1), a filter bottle cover (2), a water guide cylinder (3), a PP composite filter element (4), a reverse osmosis filter element (5), a PP upper end cover (7) and a PP lower end cover (6), wherein the filter bottle cover (2) is provided with a raw water inlet (21), a booster pump water inlet (22), a pure water outlet (23), a purified water outlet (24) and a wastewater outlet (25), the reverse osmosis filter element (5), the water guide cylinder (3) and the PP composite filter element (4) are sequentially arranged inside the filter bottle (1) from inside to outside, a plurality of water guide grooves (31) are axially arranged on the annular outer wall of the water guide cylinder (3),
a PP composite filter element filtering channel (100) is formed between the water guide cylinder (3) and the filter flask (1), a PP composite filter element (4) is arranged in the PP composite filter element filtering channel (100), raw water enters the PP composite filter element filtering channel (100) from a raw water inlet (21), is filtered to a water guide groove (31) through the PP composite filter element (4), and is finally led out from a purified water outlet (24);
reverse osmosis filter core (5) include center tube (51) and reverse osmosis membrane (52) of winding on center tube (51), form reverse osmosis filter passageway (200) between reverse osmosis filter core (5) and water guide drum (3), center tube (51) inside hollow reverse osmosis filter outlet passageway (300) of formation, the upper end seal mounting of reverse osmosis membrane (52) has reverse osmosis filter core upper end cover (8), be equipped with on reverse osmosis filter core upper end cover (8) and correspond booster pump water inlet (22), the purified water inlet interface (81) of pure water export (23) and waste water export (25), pure water interface (82) and waste water interface (83), be equipped with purified water outlet interface (71) that corresponds purified water export (24) on PP upper end cover (7).
2. The novel high-flux four-in-one filter element structure is characterized in that the outer wall of the PP upper end cover (7) is in sealing connection with the inner wall of the water guide cylinder (3) through a first sealing ring (9), and the PP upper end cover (7) is in sealing connection with the upper end of the reverse osmosis filter element (5) through a second sealing ring (10).
3. The new high flux four in one filter cartridge assembly of claim 1, wherein each of said sockets has a dual seal groove with a seal ring disposed therein.
4. The novel high-flux four-in-one filter element structure as claimed in claim 1, wherein the water guide grooves (31) are formed by longitudinally communicating cross-shaped grooves.
5. The novel high-flux four-in-one filter element structure as claimed in claim 1, wherein the raw water inlet (21), the booster pump water inlet (22), the pure water outlet (23), the purified water outlet (24) and the waste water outlet (25) are arranged side by side along the radial direction of the filter bottle cap (2).
6. The novel high-flux four-in-one filter element structure as claimed in claim 1, wherein the raw water inlet (21), the booster pump water inlet (22), the pure water outlet (23), the purified water outlet (24) and the waste water outlet (25) are not arranged in the same radial direction of the bottle cap (2); the raw water inlet (21) can be arranged at any position on the circumferential surface of the bottle cap (2).
7. The novel high-flux four-in-one filter element structure as claimed in claim 1, wherein the PP composite filter element (4) comprises a front PP cotton filter element (41), a front activated carbon filter element (42) and a front non-woven fabric (43) from outside to inside in sequence.
8. The novel high-flux four-in-one filter element structure is characterized in that a filter flask (1) is connected with a filter flask cover (2) in a welding mode, a PP composite filter element (4) is welded with PP upper end cover hot melt adhesive, and the PP composite filter element (4) is welded with a PP lower end cover (6) and a water guide cylinder (3) in hot melt adhesive mode.
9. The novel high-flux four-in-one filter element structure as claimed in claim 1, wherein the reverse osmosis filter element (5) and the side surface of the upper end cover (8) of the reverse osmosis filter element are sealed by waterproof adhesive tapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922141920.6U CN211339044U (en) | 2019-12-04 | 2019-12-04 | Novel large-flux four-in-one filter element structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922141920.6U CN211339044U (en) | 2019-12-04 | 2019-12-04 | Novel large-flux four-in-one filter element structure |
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| CN211339044U true CN211339044U (en) | 2020-08-25 |
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| CN201922141920.6U Expired - Fee Related CN211339044U (en) | 2019-12-04 | 2019-12-04 | Novel large-flux four-in-one filter element structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723833A (en) * | 2019-12-04 | 2020-01-24 | 江西书源科技有限公司 | Novel large-flux four-in-one filter element structure |
| CN112808010A (en) * | 2021-03-02 | 2021-05-18 | 韩佳（上海）环保设备有限公司 | RO membrane element of formula is rolled up in preliminary treatment integration and reverse osmosis filter core thereof |
-
2019
- 2019-12-04 CN CN201922141920.6U patent/CN211339044U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110723833A (en) * | 2019-12-04 | 2020-01-24 | 江西书源科技有限公司 | Novel large-flux four-in-one filter element structure |
| CN112808010A (en) * | 2021-03-02 | 2021-05-18 | 韩佳（上海）环保设备有限公司 | RO membrane element of formula is rolled up in preliminary treatment integration and reverse osmosis filter core thereof |
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