CN215946967U - Filter core with RO membrane protection architecture - Google Patents
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- CN215946967U CN215946967U CN202122177829.7U CN202122177829U CN215946967U CN 215946967 U CN215946967 U CN 215946967U CN 202122177829 U CN202122177829 U CN 202122177829U CN 215946967 U CN215946967 U CN 215946967U
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Abstract
The utility model discloses a filter element with an RO (reverse osmosis) membrane protection structure, which comprises a shell, a first filtering module, an RO membrane filter element and a scale inhibition piece, wherein the first filtering module is arranged in the shell; a raw water cavity is formed in the shell, and the first filtering module and the RO membrane filter element are respectively arranged in the raw water cavity; the middle part of the first filtering module is provided with a water filtering cavity, and the scale inhibiting piece is arranged in the water filtering cavity; the water filtering cavity is communicated with the water inlet end of the RO membrane filter element through the scale inhibition piece, and the scale inhibition piece is used for inhibiting calcium and magnesium ions in water from being precipitated into scale. The filter element is applied to the water purifier, and the filter element obtains excellent water purification and filtration capacity by arranging the first filtration module and the RO membrane filter element; in addition, still be equipped with and hinder the dirt piece and can avoid or alleviate scale deposit phenomenon, guarantee filter capacity and life, and then reach the effect that alleviates user's filter core replacement cost.
Description
Technical Field
The utility model relates to the field of filter elements, in particular to a filter element with an RO (reverse osmosis) membrane protection structure.
Background
Along with the improvement of living standard of people, people pay more and more attention to the problem of water quality safety and sanitation, so that the trend of equipping water purifying equipment for families is developed.
In the existing composite filter element, an RO membrane filter element is usually arranged, but in the long-term frequent use process, impurities in a water source can not be accumulated on the surface of an RO membrane to generate scale, when the scale is formed to a certain degree, the RO membrane filter element is easy to cause local blockage, so that the purification capacity and the service life of the reverse osmosis filter element are greatly reduced, a user is forced to frequently replace the new reverse osmosis filter element, and the use cost of the user is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a filter element with an RO (reverse osmosis) membrane protection structure, which is used for solving the problems that the filter element is blocked and the service life of the filter element is influenced due to scaling of an RO membrane in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a filter element with an RO (reverse osmosis) membrane protection structure, which comprises a shell, a first filtering module, an RO membrane filter element and a scale inhibition piece, wherein the first filtering module is arranged in the shell;
a raw water cavity is formed in the shell, and the first filtering module and the RO membrane filter element are respectively arranged in the raw water cavity;
the middle part of the first filtering module is provided with a water filtering cavity, and the scale inhibiting piece is arranged in the water filtering cavity;
the water filtering cavity is communicated with the water inlet end of the RO membrane filter element through the scale inhibition piece, and the scale inhibition piece is used for inhibiting calcium and magnesium ions in water from being precipitated into scale.
In the filter element with the RO membrane protection structure, the first filter module comprises an upper cover, a connecting cover and a front filter element;
the water filtering cavity is arranged in the middle of the front filter element; the upper cover is connected with the upper end of the front filter element;
the top surface of the connecting cover is provided with a first mounting table, and the bottom surface of the connecting cover is provided with a second mounting table; the lower end of the preposed filter element is sleeved in the first mounting table, and the upper end of the RO membrane filter element is sleeved in the second mounting table;
the connecting cover is provided with an initial filter water outlet, the outer edge of the initial filter water outlet is provided with a fixed seat, and the scale inhibiting piece is detachably connected with the fixed seat; the scale inhibition part is communicated with the water inlet end of the RO membrane filter core through the initial filtered water outlet.
In the filter element with the RO membrane protection structure, the scale inhibition component comprises a scale inhibition material barrel and scale inhibition particles;
the side wall of the scale inhibition charging basket is provided with a through hole; the opening of the scale inhibition charging bucket faces downwards, and the opening of the scale inhibition charging bucket is sleeved in the fixed seat; an intercepting net is arranged at the opening of the scale inhibition charging basket;
the scale inhibition particles are placed in the scale inhibition charging basket, and the scale inhibition particles are loaded with a scale remover.
In the filter core with RO membrane protection architecture, be equipped with the constant pressure valve in the primary filter water export.
In the filter element with the RO membrane protection structure, the RO membrane filter element comprises a water collecting pipe and a filter membrane structure;
the filter membrane structure is sleeved outside the water collecting pipe, and the interior of the filter membrane structure is communicated with the side wall of the water collecting pipe;
a water plugging block and a pure water one-way valve are arranged in the water collecting pipe; the pure water check valve is arranged at the lower end near end of the water collecting pipe and is used for limiting the flow direction of pure water; the water blocking block is arranged at the near end of the upper end of the water collecting pipe and used for isolating pure water and primary filtered water.
The filter element with the RO membrane protection structure also comprises a second filtering module; the second filtering module comprises an inner shell, a mounting cover, a connecting seat and a rear filter element;
the connecting seat is arranged at the upper end of the inner shell; the top surface of the connecting seat is provided with an installation groove, and the lower end of the filter membrane structure is sleeved in the installation groove; the bottom surface of the connecting seat is provided with a sleeve, and the mounting cover is sleeved at the lower end of the sleeve;
the lower end of the inner shell is provided with a waste water pipe, and the mounting cover is provided with a pure water pipe; one end of the pure water pipe is communicated with the water outlet end of the rear filter element, and the other end of the pure water pipe extends out of the waste water pipe;
the inner wall of the sleeve, the inner wall of the mounting cover, the bottom surface of the connecting seat and the inner wall of the pure water pipe are matched to form a pure water flow channel; the mounting groove is provided with a pure water inlet, and the water collecting pipe is communicated with the pure water flow channel through the pure water inlet;
the outer wall of the sleeve, the outer wall of the mounting cover, the outer wall of the pure water pipe, the bottom surface of the connecting seat and the inner wall of the inner shell form a wastewater flow channel; the connecting seat is provided with a plurality of waste water holes in the circumferential direction on the outer side of the sleeve, the waste water holes are communicated with the mounting groove, and the waste water end of the RO membrane filter element is communicated with a waste water flow channel through the waste water holes;
the upper end of the rear filter element is provided with a rear sealing cover, and the lower end of the rear filter element is sleeved in the mounting cover.
In the filter core with RO membrane protection architecture, the shell is equipped with the water inlet, the water inlet set up in the outside of waste pipe.
In the filter core with RO membrane protection architecture, rearmounted filter core includes rearmounted active carbon filter core and antibacterial cotton, the antibacterial cotton parcel is in the outside of rearmounted active carbon filter core.
In the filter element with the RO membrane protection structure, the preposed filter element comprises a folding PP cotton filter element and a preposed active carbon filter element;
the foldable PP cotton filter element is sleeved on the outer side of the front active carbon filter element.
One technical scheme in the utility model can have the following beneficial effects:
the filter element is applied to the water purifier, and the filter element obtains excellent water purification and filtration capacity by arranging the first filtration module and the RO membrane filter element; in addition, still be equipped with and hinder the dirt piece and can avoid or alleviate scale deposit phenomenon, guarantee filter capacity and life, and then reach the effect that alleviates user's filter core replacement cost.
Drawings
FIG. 1 is a schematic illustration of an explosive structure in accordance with one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of one embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view at A of FIG. 1;
FIG. 4 is an enlarged partial schematic view at B of FIG. 1;
FIG. 5 is a schematic view of a connecting socket according to an embodiment of the present invention;
in the drawings: the device comprises a shell 1, a first filtering module 2, an RO membrane filter element 3, a scale inhibiting piece 4 and a second filtering module 5;
a raw water cavity 11 and a water inlet 12; an upper cover 21, a connecting cover 22 and a front filter element 23; a water collection pipe 31, a filter membrane structure 32; a scale inhibition material barrel 41 and scale inhibition particles 42; an inner shell 51, a mounting cover 52, a connecting seat 53, a rear filter element 54, a pure water flow passage 55 and a waste water flow passage 56;
a folding PP cotton filter element 231 and a front activated carbon filter element 232; a first mounting table 221, a second mounting table 222, an initial filtered water outlet 223, and a fixing base 224; a water plugging block 311 and a pure water check valve 312; a through hole 411, an interception net 412 and a constant pressure valve 413; a waste pipe 511; a plain water pipe 521; mounting groove 531, sleeve 532, waste water hole 533; a pure water inlet 5311; the rear active carbon filter element 541 and the bacteriostatic cotton 542 are arranged; a rear sealing cover 543; a water filtration chamber 2311.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the present invention provides a filter element with an RO membrane protection structure, including a housing 1, a first filtration module 2, an RO membrane filter element 3 and a scale inhibitor 4;
a raw water cavity 11 is arranged in the shell 1, and the first filtering module 2 and the RO membrane filter element 3 are respectively arranged in the raw water cavity 11;
a water filtering cavity 2311 is formed in the middle of the first filtering module 2, and the scale inhibiting piece 4 is arranged in the water filtering cavity 2311;
the water filtering cavity 2311 is communicated with the water inlet end of the RO membrane filter element 3 through the scale inhibition part 4, and the scale inhibition part 4 is used for inhibiting calcium and magnesium ions in water from being formed into scale.
The filter element is applied to a water purifier, and the filter element obtains excellent water purification and filtration capacity by arranging a first filtration module 2 and an RO membrane filter element 3; in addition, still be equipped with scale inhibition spare 4 and can avoid or alleviate the scale deposit phenomenon, guarantee filter capacity and life, and then reach the effect that alleviates user's filter core replacement cost.
Raw water refers to unfiltered water in the water path system of the water purifier. When normal system water, the raw water among the waterway system gets into former water cavity 11 to carry out primary filter through first filtration module 2. The first filtering module 2 filters the raw water into primary filtered water, and the primary filtered water is gathered in the water filtering cavity 2311; the initial filtered water enters the RO membrane filter element 3 through the scale inhibition part 4; the RO membrane filter element 3 filters the initial filtered water into pure water, and simultaneously generates waste water, and the pure water and the waste water are separately discharged. Raw water, primary filtered water, pure water and waste water in the filter element are not in contact with each other and cannot be mixed with each other.
The scale inhibition part 4 is fully contacted with the initial filtered water, and Ca in the water2+、Mg2+The metal ions are chelated, and the combination of the metal ions and anions is inhibited from scaling.
Further, the first filter module 2 comprises an upper cover 21, a connecting cover 22 and a front filter element 23;
the water filtering cavity 2311 is arranged in the middle of the front filter element 23; the upper cover 21 is connected with the upper end of the front filter element 23;
a first mounting table 221 is arranged on the top surface of the connecting cover 22, and a second mounting table 222 is arranged on the bottom surface of the connecting cover 22; the lower end of the pre-filter element 23 is sleeved in the first mounting table 221, and the upper end of the RO membrane filter element 3 is sleeved in the second mounting table 222;
the connecting cover 22 is provided with an initial filtered water outlet 223, the outer edge of the initial filtered water outlet 223 is provided with a fixed seat 224, and the scale inhibiting part 4 is detachably connected to the fixed seat 224; the scale inhibition member 4 is communicated with the water inlet end of the RO membrane filter element 3 through the initial filtered water outlet 223.
Adopt above-mentioned structure, upper cover 21 and connection cover 22 cooperation can separate the raw water in the raw water chamber 11 and the primary filtration in the drainage chamber 2311, prevent that raw water from leading 23 direct entering of filter core to mix with the primary filtration contact, thereby avoid taking place the problem of shui. Raw water can only enter through the side wall of the preposed filter element 23, and initial filter water in the filter water chamber 2311 passes through the scale inhibition part 4 and then enters the RO membrane filter element 3 from the initial filter water outlet 223.
Similarly, the RO membrane filter cartridge 3 is sleeved in the second mounting stage 222, so that the water in the RO membrane filter cartridge 3 is prevented from being mixed with the raw water, and the problem of water mixing is avoided.
Furthermore, the scale inhibition part 4 comprises a scale inhibition material barrel 41 and scale inhibition particles 42;
the side wall of the scale inhibition charging basket 41 is provided with a through hole 411; the opening of the scale inhibition charging bucket 41 faces downwards, and the opening of the scale inhibition charging bucket 41 is sleeved in the fixed seat 224; an interception net 412 is arranged at the opening of the scale inhibition material barrel 41;
the scale inhibition particles 42 are placed in the scale inhibition charging basket 41, and the scale inhibition particles 42 are loaded with a scale remover.
The primary filtered water enters the scale inhibition bucket 41 from the through hole 411 and contacts with the scale inhibition particles 42. The scale remover in the scale inhibiting particles 42 is in full contact with the primary filtered water and is dissolved and separated by the water, so that the scale inhibitor can be dissolved in the water. Then, the primary filtered water carries the dissolved scale inhibitor to further pass through the primary filtered water outlet 223 from the opening of the scale inhibition barrel 41 and enter the RO membrane filter element 3. At the moment, the scale inhibitor forms a scale inhibition layer on the surface of the water inlet end of the RO membrane filter element 3, so that the scale can be effectively prevented from being generated, and the effect of preventing the filter element body from being blocked is achieved. So set up, RO membrane filter core 3's life and filter capacity can ensure and prolong, can avoid the comparatively frequent change RO membrane filter core 3 of user, reach the purpose that reduces user use cost.
The interception net 412 is used for separating the scale inhibition particles 42 from the primary filter water outlet 223, so that the problem that the scale inhibition particles 42 fall from the opening of the scale inhibition charging basket 41 when the scale inhibition charging basket 41 is detached is avoided; meanwhile, the scale inhibiting particles 42 can be prevented from being accumulated on the initial filtered water outlet 223, so that the initial filtered water outlet 223 is blocked, and the initial filtered water cannot pass through the initial filtered water outlet 223.
The working principle of the scale remover can refer to the existing scale remover, the scale remover and Ca in water2+、Mg2+The metal ions are chelated, and the combination of the metal ions and anions is inhibited from scaling.
Preferably, a constant pressure valve 413 is arranged in the primary filtered water outlet 223.
Adopt above-mentioned structure for the initial filtration water is when getting into RO membrane filter core 3, and water pressure is invariable, avoids former water pressure unstability and influences RO membrane filter core 3 normal use, thereby protects RO membrane filter core 3's filter capacity and extension RO membrane filter core 3's life.
Specifically, the RO membrane cartridge 3 comprises a water collection pipe 31 and a membrane structure 32;
the filter membrane structure 32 is sleeved outside the water collecting pipe 31, and the inside of the filter membrane structure 32 is communicated with the side wall of the water collecting pipe 31;
a water plugging block 311 and a pure water one-way valve 312 are arranged in the water collecting pipe 31; the pure water check valve 312 is disposed at the lower proximal end of the water collecting pipe 31, and the pure water check valve 312 is used for limiting the flow direction of pure water; the water blocking block 311 is arranged at the upper end near end of the water collecting pipe 31 and is used for isolating pure water and primary filtered water.
Referring to fig. 2 to 4, the filtering method of the RO membrane filter element 3 can refer to the conventional RO membrane reverse osmosis filter element, as shown in fig. 2, an arrow indicates the flow direction of water, the water inlet end of the RO membrane filter element 3 is the upper end of the filter membrane structure 32, the wastewater outlet end of the RO membrane filter element 3 is the lower end of the filter membrane structure 32, and the pure water outlet end of the RO membrane filter element 3 is the lower end of the water collecting pipe 31. The initial filter water enters from the upper end of the RO membrane filter element 3, and then the pure water enters the water collecting pipe 31 from the inner side wall of the filter membrane structure 32 and is discharged through the water collecting pipe 31; and the wastewater flows out from the lower end of the RO membrane cartridge 3.
The pure water check valve 312 defines the flow direction of pure water to prevent the pure water from reversely entering the water collecting pipe 31. The water blocking block 211 is used for isolating pure water and primary filtered water, and avoids the primary filtered water from directly entering from the upper end of the water collecting pipe 31 and mixing with the pure water, so as to cause the problem of water mixing.
Optionally, a second filtering module 5 is also included; the second filter module 5 comprises an inner shell 51, a mounting cover 52, a connecting seat 53 and a rear filter element 54;
the connecting seat 53 is arranged at the upper end of the inner shell 51; the top surface of the connecting seat 53 is provided with an installation groove 531, and the lower end of the filter membrane structure 32 is sleeved in the installation groove 531; a sleeve 532 is arranged on the bottom surface of the connecting seat 53, and the mounting cover 52 is sleeved at the lower end of the sleeve 532;
the lower end of the inner shell 51 is provided with a waste water pipe 511, and the mounting cover 52 is provided with a pure water pipe 521; one end of the pure water pipe 521 is communicated with the water outlet end of the post-filter element 54, and the other end of the pure water pipe 521 extends out of the waste water pipe 511;
the inner wall of the sleeve 532, the inner wall of the mounting cover 52, the bottom surface of the connecting seat 53 and the inner wall of the pure water pipe 521 are matched to form a pure water flow passage 55; the mounting groove 531 is provided with a pure water inlet 5311, and the water collecting pipe 31 is communicated with the pure water runner 55 through the pure water inlet 5311;
the outer wall of the sleeve 532, the outer wall of the mounting cover 52, the outer wall of the pure water pipe 521, the bottom surface of the connecting seat 53 and the inner wall of the inner shell 51 form a waste water flow passage 56; the connecting seat 53 is provided with a plurality of waste water holes 533 in the circumferential direction outside the sleeve 532, the waste water holes 533 are communicated with the mounting groove 531, and the waste water end of the RO membrane filter element 3 is communicated with the waste water flow channel 56 through the waste water holes 533;
the upper end of the rear filter element 54 is provided with a rear sealing cover 543, and the lower end of the rear filter element 54 is sleeved in the mounting cover 52.
The second filtering module 5 can adsorb organic matters in the purified water, and the taste of the purified water is improved. Pure water is discharged from the water collecting pipe 31 and then enters the pure water flow passage 55 through the pure water inlet 5311; the post-filter 54 is disposed in the pure water flow path 55, pure water enters from a side wall of the post-filter 54, the post-filter 54 filters the pure water into pure water, the pure water is collected in the middle of the post-filter 54, and the pure water is discharged out of the filter through the pure water pipe 521.
And the wastewater generated from the RO membrane cartridge 3 is collected in the installation groove 531, enters the wastewater flow passage 56 through the wastewater hole 533, and is discharged through the wastewater pipe 511.
By adopting the structure, the inner shell 51, the sleeve 532, the mounting cover 52, the connecting seat 53, the waste water pipe 511 and the pure water pipe 521 are matched to form the waste water flow passage 56 and the pure water flow passage 55, so that the pure water and the waste water are separated, and the problem of water leakage is avoided.
The rear sealing cover 543 is matched with the mounting cover 52 to prevent pure water from directly entering the rear filter element 54 from the upper end of the rear filter element 54 and mixing with the pure water, thereby avoiding the problem of water mixing.
Specifically, the housing 1 is provided with a water inlet 12, and the water inlet 12 is disposed outside the waste pipe 511.
In the embodiment of the present invention, the housing 1 is provided with a water inlet 12, and raw water enters the raw water chamber through the water inlet 12. The water inlet 12 is disposed at the outer side of the waste water pipe 511, and the inlet of raw water, the outlet of waste water and the outlet of pure water are concentrated in the same direction, which is convenient for the installation of the filter element. Moreover, when the filter element is installed in the water purifier, raw water is not mixed with wastewater and pure water.
Optionally, the rear filter element 54 includes a rear activated carbon filter element 541 and bacteriostatic cotton 542, and the bacteriostatic cotton 542 is wrapped outside the rear activated carbon filter element 541.
Adopt above-mentioned structure, realize adsorbing the organic matter in the pure water through rearmounted active carbon filter 541, improve the taste of pure water, afterwards, antibacterial cotton 542 has the effect of inhibiting bacterial growth, realizes antibiotic deodorant purpose. In one embodiment of the present invention, the post-activated carbon filter 541 is a coconut shell activated carbon filter.
Preferably, the front filter element 23 comprises a folded PP cotton filter element 231 and a front activated carbon filter element 232;
the foldable PP cotton filter element 231 is sleeved on the outer side of the front activated carbon filter element 232.
Referring to fig. 2 and 3, the filtration mode of the front filter element 23 can refer to the existing filtration filter element, and the front filter element 23 is formed by combining a folding PP cotton filter element 231 and a front activated carbon filter element 232. Raw water enters from the side wall of the folding PP cotton filter element 231 and is filtered into primary filtered water through the front activated carbon filter element 232, and the primary filtered water is gathered in the water filtering cavity 2311 of the front activated carbon filter element 232. The upper cover 21 covers the upper ends of the folding PP cotton filter element 231 and the front activated carbon filter element 232, so that the problem of water mixing caused by the fact that raw water enters from the upper end of the front filter element 23 and is mixed with initial filter water of the filter cavity 2311 is solved.
In one embodiment of the utility model, the first filtration module 2 is composed of a combination of a coconut shell activated carbon filter element and a pleated PP wool filter element 231. The raw water firstly passes through the folding PP cotton filter element 231 to filter out larger impurities in the raw water, and then passes through the coconut shell activated carbon filter element to adsorb fine impurities in the raw water. So set up, can prolong RO membrane filter core 3's life.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Other embodiments of the utility model will occur to those skilled in the art without the exercise of inventive faculty based on the explanations herein, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (9)
1. The utility model provides a filter core with RO membrane protection architecture which characterized in that: comprises a shell, a first filtering module, an RO membrane filter core and a scale inhibition part;
a raw water cavity is formed in the shell, and the first filtering module and the RO membrane filter element are respectively arranged in the raw water cavity;
the middle part of the first filtering module is provided with a water filtering cavity, and the scale inhibiting piece is arranged in the water filtering cavity;
the water filtering cavity is communicated with the water inlet end of the RO membrane filter element through the scale inhibition piece, and the scale inhibition piece is used for inhibiting calcium and magnesium ions in water from being precipitated into scale.
2. A filter cartridge having an RO membrane protection configuration according to claim 1, wherein: the first filtering module comprises an upper cover, a connecting cover and a front filter element;
the water filtering cavity is arranged in the middle of the front filter element; the upper cover is connected with the upper end of the front filter element;
the top surface of the connecting cover is provided with a first mounting table, and the bottom surface of the connecting cover is provided with a second mounting table; the lower end of the preposed filter element is sleeved in the first mounting table, and the upper end of the RO membrane filter element is sleeved in the second mounting table;
the connecting cover is provided with an initial filter water outlet, the outer edge of the initial filter water outlet is provided with a fixed seat, and the scale inhibiting piece is detachably connected with the fixed seat; the scale inhibition part is communicated with the water inlet end of the RO membrane filter core through the initial filtered water outlet.
3. A cartridge having an RO membrane protection configuration according to claim 2, wherein: the scale inhibition component comprises a scale inhibition charging barrel and scale inhibition particles;
the side wall of the scale inhibition charging basket is provided with a through hole; the opening of the scale inhibition charging bucket faces downwards, and the opening of the scale inhibition charging bucket is sleeved in the fixed seat; an intercepting net is arranged at the opening of the scale inhibition charging basket;
the scale inhibition particles are placed in the scale inhibition charging basket, and the scale inhibition particles are loaded with a scale remover.
4. A cartridge having an RO membrane protection configuration according to claim 2, wherein: and a constant pressure valve is arranged in the outlet of the primary filter.
5. A filter cartridge having an RO membrane protection configuration according to claim 1, wherein: the RO membrane filter element comprises a water collecting pipe and a filter membrane structure;
the filter membrane structure is sleeved outside the water collecting pipe, and the interior of the filter membrane structure is communicated with the side wall of the water collecting pipe;
a water plugging block and a pure water one-way valve are arranged in the water collecting pipe; the pure water check valve is arranged at the lower end near end of the water collecting pipe and is used for limiting the flow direction of pure water; the water blocking block is arranged at the near end of the upper end of the water collecting pipe and used for isolating pure water and primary filtered water.
6. A filter cartridge having an RO membrane protection arrangement according to claim 5, wherein: the device also comprises a second filtering module; the second filtering module comprises an inner shell, a mounting cover, a connecting seat and a rear filter element;
the connecting seat is arranged at the upper end of the inner shell; the top surface of the connecting seat is provided with an installation groove, and the lower end of the filter membrane structure is sleeved in the installation groove; the bottom surface of the connecting seat is provided with a sleeve, and the mounting cover is sleeved at the lower end of the sleeve;
the lower end of the inner shell is provided with a waste water pipe, and the mounting cover is provided with a pure water pipe; one end of the pure water pipe is communicated with the water outlet end of the rear filter element, and the other end of the pure water pipe extends out of the waste water pipe;
the inner wall of the sleeve, the inner wall of the mounting cover, the bottom surface of the connecting seat and the inner wall of the pure water pipe are matched to form a pure water flow channel; the mounting groove is provided with a pure water inlet, and the water collecting pipe is communicated with the pure water flow channel through the pure water inlet;
the outer wall of the sleeve, the outer wall of the mounting cover, the outer wall of the pure water pipe, the bottom surface of the connecting seat and the inner wall of the inner shell form a wastewater flow channel; the connecting seat is provided with a plurality of waste water holes in the circumferential direction on the outer side of the sleeve, the waste water holes are communicated with the mounting groove, and the waste water end of the RO membrane filter element is communicated with a waste water flow channel through the waste water holes;
the upper end of the rear filter element is provided with a rear sealing cover, and the lower end of the rear filter element is sleeved in the mounting cover.
7. A filter cartridge having an RO membrane protection arrangement according to claim 6, wherein: the shell is equipped with the water inlet, the water inlet set up in the outside of waste pipe.
8. A filter cartridge having an RO membrane protection arrangement according to claim 6, wherein: the rear filter element comprises a rear activated carbon filter element and bacteriostatic cotton, and the bacteriostatic cotton is wrapped on the outer side of the rear activated carbon filter element.
9. A cartridge having an RO membrane protection configuration according to claim 2, wherein: the front filter element comprises a folding PP cotton filter element and a front active carbon filter element;
the foldable PP cotton filter element is sleeved on the outer side of the front active carbon filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122177829.7U CN215946967U (en) | 2021-09-09 | 2021-09-09 | Filter core with RO membrane protection architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122177829.7U CN215946967U (en) | 2021-09-09 | 2021-09-09 | Filter core with RO membrane protection architecture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215946967U true CN215946967U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122177829.7U Active CN215946967U (en) | 2021-09-09 | 2021-09-09 | Filter core with RO membrane protection architecture |
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| Country | Link |
|---|---|
| CN (1) | CN215946967U (en) |
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2021
- 2021-09-09 CN CN202122177829.7U patent/CN215946967U/en active Active
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