CN214457224U - Novel composite filter element - Google Patents
Novel composite filter element Download PDFInfo
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- CN214457224U CN214457224U CN202120064364.1U CN202120064364U CN214457224U CN 214457224 U CN214457224 U CN 214457224U CN 202120064364 U CN202120064364 U CN 202120064364U CN 214457224 U CN214457224 U CN 214457224U
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Abstract
The utility model discloses a novel composite filter element, which comprises a shell with an inner cavity, wherein the shell is provided with a raw water inlet, a purified water inlet, a water outlet, a pure water outlet and a concentrated water outlet, the inner cavity of the shell is divided into a primary filter cavity and a secondary filter cavity through a central cylinder, the primary filter cavity is communicated with the raw water inlet and the pure water outlet, the secondary filter cavity is communicated with the purified water inlet and the pure water outlet, a concentrated water outlet pipe, a membrane shell surrounding the concentrated water outlet pipe and a reverse osmosis membrane arranged between the concentrated water outlet pipe and the membrane shell are arranged in the central cylinder, the membrane shell is provided with a purified water inlet hole and a pure water outlet hole which are respectively and correspondingly arranged at the end part and the side part of the membrane shell, the purified water inlet hole is communicated with the purified water inlet and is positioned at the same end as the water inlet of the reverse osmosis membrane and is relatively communicated with the water inlet of the reverse osmosis membrane, no extra purified water storage cavity is needed to store purified water, when the water purifier is started, the TDS value of the pure water left in the water purifier is reduced to some extent, and the effect of improving the water quality is achieved.
Description
Technical Field
The utility model relates to a filter technical field, especially a composite filter element for on purifier.
Background
The composite filter element is a filter element used on a water purifier, and is mainly used for filtering sundries and removing peculiar smell in water, the main structure of the composite filter element comprises a shell, the inner cavity of the shell is divided into a primary filter cavity inside a central cylinder and a secondary filter cavity outside the central cylinder through the central cylinder, a reverse osmosis membrane is arranged in the secondary filter cavity, the reverse osmosis membrane and the inner wall of the shell form a purified water storage cavity, a concentrated water outlet and a pure water outlet are respectively and correspondingly arranged at the upper end and the lower end of the reverse osmosis membrane, pressurized purified water enters the reverse osmosis membrane from the purified water storage cavity to be filtered to form concentrated water and pure water, the concentrated water is discharged from the concentrated water outlet from bottom to top, and the pure water flows out from other pipelines; in order to guarantee the condition of the confession absolutely not appearing when the water purification filters, water purification storage chamber sets up great, can be when the purifier standby, and dense water falls back to water purification storage intracavity and water purification from the reverse osmosis membrane and mixes, causes partial organic matter and inorganic matter in water purification and the dense water to dissolve through placing for a long time to get into pure water through reverse osmosis membrane, lead to the pure water TDS value of staying in the water purifier to rise by a wide margin, influence quality of water.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a novel composite filter element.
The utility model provides a technical scheme that its technical problem adopted is:
a novel composite filter element comprises a shell with an inner cavity, wherein the shell is provided with a raw water inlet, a purified water outlet and a concentrated water outlet, the inner cavity of the shell is divided into a primary filter cavity and a secondary filter cavity through a central cylinder, the primary filter cavity is communicated with the raw water inlet and the purified water outlet, the secondary filter cavity is communicated with the purified water inlet and the purified water outlet, a concentrated water outlet pipe, a membrane shell surrounding the concentrated water outlet pipe and a reverse osmosis membrane arranged between the concentrated water outlet pipe and the membrane shell are arranged in the central cylinder, the membrane shell is provided with a purified water inlet hole and a purified water outlet hole and is correspondingly arranged at the end part and the side part of the membrane shell respectively, the purified water inlet hole is communicated with the purified water inlet and is positioned at the same end and is relatively communicated with the water inlet of the reverse osmosis membrane shell, and the purified water outlet hole is communicated with the purified water outlet through a purified water outlet channel formed between the membrane shell and the central cylinder, the concentrated water outlet pipe penetrates through the purified water inlet hole to be communicated with the concentrated water outlet, the purified water is filtered by the reverse osmosis membrane to form pure water and concentrated water, the pure water is discharged through the pure water outlet hole, and the concentrated water is discharged through the concentrated water outlet pipe.
A hollow support frame is arranged in the water purification inlet hole, and scale inhibitor is placed on the support frame to perform scale inhibition treatment on flowing purified water.
And a connecting sleeve is arranged between the support frame and the concentrated water outlet, one end of the connecting sleeve is hermetically communicated with the concentrated water outlet, and the other end of the connecting sleeve is hermetically sleeved in the concentrated water outlet pipe and is abutted against the support frame to form a concentrated water discharge channel.
The end part of the central cylinder is provided with an inner surrounding wall surrounding the water purification water inlet hole, the inner surrounding wall is connected with the water purification water inlet in a sealing way and forms a water inlet channel with the connecting sleeve, the membrane shell is provided with a convex ring corresponding to the water purification water inlet hole, and the convex ring is inserted into the inner surrounding wall and is communicated with the water inlet channel in a sealing way.
The end of the central cylinder surrounds the inner surrounding wall, a peripheral wall is arranged on the inner surrounding wall to form a pure water outlet cavity, the pure water outlet cavity is covered by a cylinder cover, activated carbon is placed in the pure water outlet cavity, the pure water outlet cavity is communicated with a pure water outlet channel and a pure water outlet, and pure water flows out through the pure water outlet channel, the pure water outlet cavity and the pure water outlet in sequence.
The membrane shell comprises an upper cover, a lower cover and a barrel body clamped between the upper cover and the lower cover, the lower cover is disc-shaped, and the bottom surface of the inner side of the lower cover is provided with a plurality of raised supporting ribs for erecting the water outlet of the reverse osmosis membrane so that a concentrated water cavity is formed at the bottom of the plate.
The bottom surface of the lower cover is provided with a stand column matched with the inner diameter of the concentrated water outlet pipe, the periphery of the stand column is provided with a plurality of unfilled corners leading to the top surface of the stand column from the bottom surface of the lower cover, the water inlet end of the concentrated water outlet pipe is inserted into the stand column, and concentrated water in the concentrated water cavity enters the concentrated water outlet pipe through the unfilled corners.
The utility model has the advantages that: the utility model discloses a have the water purification inlet opening on the membrane shell to communicate with the water purification water inlet on the shell and be located same end and relative intercommunication with the water inlet of reverse osmosis membrane, be favorable to flowing into reverse osmosis membrane from the water purification inlet opening directly from the water purification that elementary filter chamber flows coming and filter, in this flowing water process, need not extra water purification storage chamber to persist the water purification, can greatly reduce the water purification and stay in the membrane shell, therefore, when the purifier standby, the water purification in the membrane shell and the dense water that stays in reverse osmosis membrane reduce, be favorable to reducing inorganic matter and the organic matter in water purification and the dense water and get into the pure water through reverse osmosis membrane, simultaneously, the pure water in the pure water outlet channel soaks reverse osmosis membrane, reverse osmosis membrane is difficult for the scale deposit, and when the purifier starts up, the pure water TDS value that stays in the purifier drops to some extent, reach the effect of improving water quality, on the other hand, when the purifier opens the recoil washing, since the space for holding the concentrated water in the reverse osmosis membrane is reduced, the pure water will flush the reverse osmosis membrane more effectively.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic diagram of FIG. 1, taken apart;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is a partial enlarged view of the utility model at a;
FIG. 5 is a partial schematic view of the center tube of the present invention;
fig. 6 is an overall schematic view of the upper cover of the present invention;
fig. 7 is an overall schematic view of the lower cover of the present invention.
Detailed Description
Referring to fig. 1 to 7, the present invention includes a housing 1 having an inner cavity, the housing 1 having a raw water inlet 11, a purified water inlet 12, a purified water outlet 13, a purified water outlet 14 and a concentrated water outlet 15, the inner cavity of the housing 1 being divided into a primary filter chamber and a secondary filter chamber by a central cylinder 2, wherein the primary filter chamber is communicated with the raw water inlet 11 and the purified water outlet 13, the secondary filter chamber is communicated with the purified water inlet 12 and the purified water outlet 14, a concentrated water outlet pipe 21, a membrane shell 3 and a reverse osmosis membrane 22 are disposed in the central cylinder 2, the membrane shell 3 surrounds the concentrated water outlet pipe 21, and the reverse osmosis membrane 22 is disposed between the concentrated water outlet pipe 21 and the membrane shell 3, the reverse osmosis membrane 22 is capable of filtering purified water into purified water and concentrated water, the membrane shell 3 has a purified water inlet hole 31 and a purified water outlet hole 32 and is disposed at an end portion and a side portion of the membrane shell 3, the purified water inlet hole 31 on the membrane shell 3 is communicated with the purified water inlet 12 on the housing 1, meanwhile, the purified water inlet hole 31 is positioned at the same end and is relatively communicated with the water inlet of the reverse osmosis membrane 22, in order to clear the filtration of water, raw water enters the primary filter chamber from the raw water inlet 11 and is filtered in the primary filter chamber to form purified water, the purified water flows out from the purified water outlet 13 and enters the secondary filter chamber through the purified water inlet 12, namely, the purified water enters the purified water inlet hole 31 at the end part of the membrane shell 3 through the purified water inlet 12, because the purified water inlet hole 31 is positioned at the same end and is relatively arranged with the water inlet of the reverse osmosis membrane 22, the purified water directly enters the reverse osmosis membrane 22 from the purified water inlet hole 31, no extra purified water storage chamber is needed to store the purified water, the purified water reserved in the membrane shell 3 and the concentrated water in the reverse osmosis membrane shell 22 are greatly reduced, the structure of the filter element is more compact, and the purified water filtered by the reverse osmosis membrane 22 flows out from the purified water outlet hole 32 positioned at the side part of the membrane shell 3 and is fully formed by the membrane shell 3 and the central cylinder 2, when the water purifier is standby, the reverse osmosis membrane 22 is soaked in pure water of the pure water outlet channel 33, scale is not easy to form in the reverse osmosis membrane 22, the service life of the reverse osmosis membrane 22 is prolonged, when the water purifier is started, because the pure water and the concentrated water remained in the membrane shell 3 are reduced, inorganic matters and organic matters in the pure water and the concentrated water are favorably reduced to be dissolved and enter the pure water through the reverse osmosis membrane 22, after the water purifier is started, the TDS value of the initial cup of water poured out is reduced, and the effect of improving the water quality is achieved, on the other hand, the concentrated water outlet pipe 21 passes through the pure water inlet hole 31 to be communicated with the concentrated water outlet 15, and the concentrated water filtered out by the reverse osmosis membrane 22 flows into the concentrated water outlet pipe 21 and is discharged from the concentrated water outlet 15 on the shell 1; when the water purifier is started to perform backflushing cleaning, the water inlet hole 31 and the water inlet of the reverse osmosis membrane 22 are located at the same end and are arranged oppositely, and the pure water outlet hole 32 is arranged on the side portion of the membrane shell, so that the space for reserving concentrated water in the reverse osmosis membrane 22 is small, when the pure water backflushes the reverse osmosis membrane 22 from the pure water outlet hole 32, the pure water can more effectively flush the reverse osmosis membrane 22, and the concentrated water in the reverse osmosis membrane 22 is backflushed into the concentrated water outlet pipe 21 and is discharged.
As preferred, the utility model discloses a be equipped with the support frame 34 of fretwork in the water purification inlet opening 31, place antisludging agent 37 on the support frame 34, when the water purification from water purification water inlet 12 when water purification inlet opening 31 gets into reverse osmosis membrane 22, the water purification flows through antisludging agent 37, makes antisludging agent 37 and the calcium magnesium ion reaction in the water purification, realizes getting rid of calcium magnesium ion's effect, reaches the formation that reduces the incrustation scale, is favorable to prolonging reverse osmosis membrane 22's life cycle.
Furthermore, a connecting sleeve 35 is arranged between the support frame 34 and the concentrated water outlet 15 in the structure, one end of the connecting sleeve 35 is hermetically communicated with the concentrated water outlet 15, the other end of the connecting sleeve 35 is hermetically sleeved in the concentrated water outlet pipe 21, so that the concentrated water outlet pipe 21 is communicated with the concentrated water outlet 15 to form a concentrated water drainage channel, concentrated water flows out from the concentrated water outlet pipe 21, the connecting sleeve 35 and the concentrated water outlet 15 in sequence, and the other end of the connecting sleeve 35 is abutted against the support frame 34 to support the connecting sleeve 35, thereby facilitating the positioning and assembling of the connecting sleeve 35.
The center section of thick bamboo 2 in this embodiment sets up inner wall 23 around water purification inlet opening 31 at its tip, inner wall 23 and water purification water inlet 12 sealing connection and constitute the inlet channel with adapter sleeve 35, membrane shell 3 sets up bulge loop 36 around water purification inlet opening 31, the setting of bulge loop 36 makes things convenient for bulge loop 36 location and inserts inner wall 23 and with the sealed intercommunication of inlet channel, the water purification gets into the inlet channel from water purification water inlet 12 and flows in reverse osmosis membrane 22 from water purification inlet opening 31 and filters, the pure water that filters out flows out from pure water apopore 32 and pure water outlet channel 33, wherein set up 38 filtration of active carbon in the position that the pure water flows out, its structure includes: the outer surrounding wall 24 is arranged at the end part of the central cylinder 2, the outer surrounding wall 24 surrounds the inner surrounding wall 23, so that an interlayer formed by the two is a pure water outlet cavity 26 for placing active carbon 38, a cylinder cover 25 is arranged on the pure water outlet cavity 26 and is hermetically connected with the outer surrounding wall 24 and the pure water outlet 14, the pure water outlet cavity 26 is respectively communicated with a pure water outlet channel 33 and the pure water outlet 14, pure water sequentially flows into the pure water outlet cavity 26 from the pure water outlet channel 33 and is filtered by the active carbon 38 to remove peculiar smell in the pure water, and then the deodorized pure water finally flows out from the pure water outlet 14.
In order to facilitate the collection of concentrated water and the assembly of components, the membrane shell 3 is divided into an upper cover 4, a lower cover 5 and a cylinder body 6 clamped between the upper cover and the lower cover, the lower cover 5 is disc-shaped, the bottom surface of the inner side of the lower cover is provided with a plurality of raised supporting ribs 51, the supporting ribs 51 support the water outlet of the reverse osmosis membrane 22, so that a concentrated water cavity is formed at the disc bottom of the lower cover 5, concentrated water filtered by the reverse osmosis membrane 22 uniformly falls into the concentrated water collecting cavity from the water outlet, the concentrated water is convenient to discharge, and meanwhile, the concentrated water collecting cavity can be conveniently cleaned by detaching the lower cover 5; on the other hand, in order to facilitate the positioning of the concentrated water outlet pipe 21, the bottom surface of the lower cover 5 is provided with the upright column 52, the concentrated water inlet end of the concentrated water outlet pipe 21 is inserted into the upright column 52 to play a role of limiting the position of the concentrated water outlet pipe 21, the concentrated water outlet pipe 21 can be firmly limited on the upright column 52 due to the matching of the outer diameter of the upright column 52 and the inner diameter of the concentrated water outlet pipe 21, and the concentrated water in the concentrated water collecting cavity can flow into the concentrated water outlet pipe 21 from the unfilled corners 53 and is finally discharged from the concentrated water outlet because the plurality of unfilled corners 53 leading to the top surface of the upright column from the bottom surface of the lower cover are arranged on the periphery of the upright column 52.
Claims (7)
1. The utility model provides a novel composite filter element, including shell (1) that has the inner chamber, shell (1) has raw water inlet (11), water purification advances, delivery port (12, 13), pure water delivery port (14) and dense water delivery port (15), its characterized in that: the inner cavity of the shell is divided into a primary filter cavity and a secondary filter cavity through a central cylinder (2), the primary filter cavity is communicated with a raw water inlet (11) and a purified water outlet (13), the secondary filter cavity is communicated with a purified water inlet (12) and a purified water outlet (14), a concentrated water outlet pipe (21), a membrane shell (3) surrounding the concentrated water outlet pipe (21) and a reverse osmosis membrane (22) arranged between the concentrated water outlet pipe (21) and the membrane shell (3) are arranged in the central cylinder (2), the membrane shell (3) is provided with a purified water inlet hole (31) and a purified water outlet hole (32) and is respectively and correspondingly arranged at the end part and the side part of the membrane shell (3), the purified water inlet hole (31) is communicated with the purified water inlet (12) and is positioned at the same end and is relatively communicated with the water inlet of the reverse osmosis membrane shell (22), and the water outlet hole (32) is communicated with the purified water outlet (14) through a purified water outlet channel (33) formed between the membrane shell (3) and the central cylinder (2), the concentrated water outlet pipe (21) penetrates through the purified water inlet hole (31) to be communicated with the concentrated water outlet (15), the purified water is filtered by the reverse osmosis membrane (22) to form pure water and concentrated water, the pure water is discharged through the pure water outlet hole (32), and the concentrated water is discharged through the concentrated water outlet pipe (21).
2. The composite filter element of claim 1, wherein: a hollow support frame (34) is arranged in the purified water inlet hole (31), and a scale inhibitor (37) is placed on the support frame (34) to perform scale inhibition treatment on flowing purified water.
3. The composite filter element of claim 2, wherein: a connecting sleeve (35) is arranged between the support frame (34) and the concentrated water outlet (15), one end of the connecting sleeve (35) is hermetically communicated with the concentrated water outlet (15), and the other end of the connecting sleeve is hermetically sleeved in the concentrated water outlet pipe (21) and is abutted against the support frame (34) to form a concentrated water drainage channel.
4. The composite filter element of claim 3, wherein: the water purifier is characterized in that the end part of the central cylinder (2) surrounds the water purifying water inlet hole (31) and is provided with an inner surrounding wall (23), the inner surrounding wall (23) is hermetically connected with the water purifying water inlet (12) and forms a water inlet channel with the connecting sleeve (35), the membrane shell (3) is provided with a convex ring (36) corresponding to the water purifying water inlet hole (31), and the convex ring (36) is inserted into the inner surrounding wall (23) and is hermetically communicated with the water inlet channel.
5. The composite filter element of claim 4, wherein: the end part of the central cylinder (2) is provided with a peripheral wall (24) around the inner peripheral wall (23) to form a pure water outlet cavity (26) and is covered by a cylinder cover (25), activated carbon (38) is placed in the pure water outlet cavity (26), the pure water outlet cavity (26) is respectively communicated with a pure water outlet channel (33) and a pure water outlet (14), and pure water flows out through the pure water outlet channel (33), the pure water outlet cavity (26) and the pure water outlet (14) in sequence.
6. The composite filter element of claim 1, wherein: the membrane shell (3) comprises an upper cover (4), a lower cover (5) and a cylinder body (6) clamped between the upper cover and the lower cover, the lower cover is disc-shaped, and the bottom surface of the inner side of the lower cover is provided with a plurality of raised support ribs (51) to support the water outlet of the reverse osmosis membrane (22) so that a concentrated water cavity is formed at the bottom of the disc.
7. The composite filter element of claim 6, wherein: the bottom surface of lower cover (5) is equipped with stand (52) that dense water outlet pipe (21) internal diameter matches, and stand (52) periphery has a plurality of unfilled corner (53) that lead to the stand top surface from the lower cover bottom surface, and the income water end of dense water outlet pipe (21) inserts stand (52), and the dense water in the dense water cavity gets into dense water outlet pipe (21) through unfilled corner (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120064364.1U CN214457224U (en) | 2021-01-11 | 2021-01-11 | Novel composite filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120064364.1U CN214457224U (en) | 2021-01-11 | 2021-01-11 | Novel composite filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214457224U true CN214457224U (en) | 2021-10-22 |
Family
ID=78111546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120064364.1U Active CN214457224U (en) | 2021-01-11 | 2021-01-11 | Novel composite filter element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214457224U (en) |
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2021
- 2021-01-11 CN CN202120064364.1U patent/CN214457224U/en active Active
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