CN210332296U - High-flux reverse osmosis membrane module and reverse osmosis filter element structure - Google Patents
High-flux reverse osmosis membrane module and reverse osmosis filter element structure Download PDFInfo
- Publication number
- CN210332296U CN210332296U CN201920764547.7U CN201920764547U CN210332296U CN 210332296 U CN210332296 U CN 210332296U CN 201920764547 U CN201920764547 U CN 201920764547U CN 210332296 U CN210332296 U CN 210332296U
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- osmosis membrane
- water
- end cover
- membrane module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a high flux reverse osmosis membrane module and reverse osmosis filter core structure, the high flux reverse osmosis membrane module includes the center tube and twines the reverse osmosis membrane body that sets up on the center tube, the upper portion of center tube has a raw water passageway, the lower part of center tube has a water purification passageway, raw water passageway and water purification passageway are independent each other through the baffler that sets up in the center tube, the cover is equipped with the connection end cover on the center tube, the connection end cover is fixed in the upper end of reverse osmosis membrane body through sealed fixing device, and set up the mounting groove that the circumference distributes on the lateral wall of connection end cover, be fixed with O type circle; the advantages are high flux, high water yield and long service life.
Description
Technical Field
The utility model relates to a water treatment technical field especially involves a high flux reverse osmosis membrane module and reverse osmosis filter core structure.
Background
Along with the improvement of the requirements of people on the quality of drinking water, a pure water system gradually enters a drinking water system of every family. The purifier in the existing market generally all can adopt reverse osmosis filter core structure, and this filter core can filter impurity such as organic matter in the raw water, colloid, bacterium, virus, especially has high filtration efficiency to impurity such as inorganic salt, heavy metal ion. Therefore, the reverse osmosis filter element forms a core component of the water purifier, the filtering effect of the water purifier is directly related to that of the reverse osmosis filter element, and the filtering effect of the reverse osmosis filter element depends on the reverse osmosis membrane to a great extent.
There is chinese patent that bulletin number is CN206950999U to disclose a novel reverse osmosis membrane filter core, it includes the casing, the inside reverse osmosis diaphragm that is provided with of casing, reverse osmosis diaphragm middle part is run through and is provided with the collector pipe, the upper end of collector pipe is confined, be equipped with the water collecting hole on the collector pipe lateral wall, casing bottom center is equipped with the pure water export, pure water export and collector pipe lower extreme intercommunication, the cover is equipped with the stagnant water ring on the reverse osmosis diaphragm upper end outer wall, the device can effectively avoid salt to gather, can prolong reverse osmosis membrane life, the rate of permeating water is improved.
Also, chinese patent No. CN206168235U discloses a novel RO reverse osmosis membrane element, which comprises a central tube and a filter layer, wherein the filter layer is wound around the central tube, a rubber sleeve is sleeved outside the filter layer, a water stop ring protruding outward is arranged on the rubber sleeve, and the water stop ring and the rubber sleeve are integrally formed. The device adopts the seal ring of rubber sleeve and integrative preparation to make the structure simpler, reduces the equipment process, and the rubber sleeve can improve the leakproofness with the filter bed closely laminating.
However, the above applications all adopt the mode of establishing the water stop ring on reverse osmosis membrane to make raw water and pure water isolated, avoid producing the interference, this just has following problem: in order to ensure that the reverse osmosis membrane with the water stop ring is smoothly installed in the shell, a gap is usually reserved between the shell and the reverse osmosis membrane, and the shell belongs to a standard part, and the inner diameter of the shell is basically fixed, so that the effective diameter of the reverse osmosis membrane is limited to be further increased, the flux of the reverse osmosis membrane is low, and the water yield and the service life of the reverse osmosis membrane are required to be improved.
Disclosure of Invention
One of the main objects of the present invention is to provide a high flux reverse osmosis membrane module with high flux, high water yield and long service life.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a high flux reverse osmosis membrane module, sets up including center tube and winding the center tube on the reverse osmosis membrane body, the upper portion of center tube raw water passageway has, the lower part of center tube water purification passageway has, raw water passageway with the water purification passageway through setting up the center tube in the baffler mutually independent, the center tube on the cover be equipped with the connection end cover, the connection end cover fix through sealed fixing device the upper end of reverse osmosis membrane body, just the lateral wall of connection end cover on set up the mounting groove that circumference distributes, the mounting groove internal fixation have O type circle.
The side wall of the central tube is provided with a water outlet communicated with the raw water channel, the connecting end cover is internally provided with a cavity with a downward opening, the upper surface of the connecting end cover is provided with a plurality of water seepage holes communicated with the cavity, the center of the connecting end cover is also fixed with a pipe sleeve, the pipe sleeve is sleeved on the central tube, the inner side wall of the pipe sleeve is provided with a water flowing groove from top to bottom, and the water flowing groove corresponds to the water outlet, so that a water outlet gap is formed between the water flowing groove and the central tube. In the structure, unpurified water firstly flows to a raw water channel of the central pipe and then flows to the flume from a water outlet hole of the central pipe, and the pipe sleeve and the central pipe are in interference fit, so that the water in the flume only moves from bottom to top, flows to the cavity after passing through the water seepage holes in the connecting end cover and finally flows to the reverse osmosis membrane body.
And a scale inhibitor is placed in the cavity. In the structure, the scale inhibitor can filter calcium and magnesium ions in raw water, so that the content of the calcium and magnesium ions in the raw water is reduced, the hardness of the raw water is reduced, the damage to a reverse osmosis membrane is reduced, and the service life of the reverse osmosis membrane is prolonged; the scale inhibitor adopts a nano citric acid scale inhibition slow release material, can achieve the purpose of corrosion and scale prevention, and has better protection effect.
The positioning mechanism is arranged between the pipe sleeve and the central pipe and comprises an elastic bulge arranged on the inner side wall of the pipe sleeve and a recess arranged on the outer side wall of the central pipe, and the elastic bulge is positioned in the recess. In the structure, the positioning mechanism is arranged between the pipe sleeve and the central pipe, so that on one hand, the assembly is convenient, on the other hand, the dislocation between the central pipe and the pipe sleeve can be prevented, the water outlet hole always corresponds to the water flowing groove, and therefore the water outlet effect is not influenced, wherein the positioning mechanism adopts a mode of matching the elastic bulge and the recess, and the structure is simple and firm.
And a sealing and fixing device is arranged between the connecting end cover and the reverse osmosis membrane body. In this structure, sealed fixing device's setting can make connecting end cover and this body coupling of reverse osmosis membrane more reliable, in addition, plays the purpose of second grade stagnant water, can effectively prevent that water from oozing from connecting between end cover and the reverse osmosis membrane body.
The sealing fixing device comprises a sealing strip, and the sealing strip is wound between the connecting end cover and the reverse osmosis membrane body. In this structure, the sealing strip is prior art, can play the purpose of fixed connection end cover and reverse osmosis membrane body, can prevent the infiltration again, and the cost is lower.
The sealing and fixing device comprises a retaining ring fixed to the bottom of the connecting end cover and a containing groove arranged on the upper surface of the reverse osmosis membrane body, the retaining ring is embedded in the containing groove, and sealant is arranged between the retaining ring and the containing groove. In this structure, keep off ring downwardly extending and set up, it cooperatees with the storage tank, has made things convenient for the installation on the one hand, and on the other hand can prevent that water from oozing from connecting between end cover and the reverse osmosis membrane body, keeps off the ring and bonds in the storage tank through sealed glue, and the water proofness is stronger, and need not to install extra sealing strip in the outside, can further increase the effective diameter of reverse osmosis membrane body, makes it press close to the casing as far as possible.
A second object of the present invention is to provide a reverse osmosis filter element structure, including the casing and with the sealed fixed cap of intaking of casing, still include high flux reverse osmosis membrane module, high flux reverse osmosis membrane module install the casing in, high flux reverse osmosis membrane module in O type circle with the inside wall in close contact with of casing. In this structure, O type circle and casing inside wall in close contact with can prevent that unpurified raw water from directly flowing out, O type circle is not direct and this body coupling of reverse osmosis membrane simultaneously to can make full use of the space between reverse osmosis membrane body and the casing, make reverse osmosis membrane body effective diameter can further increase, improve the filter effect.
The water inlet shell cover is provided with a water inlet pipe, the bottom of the shell is provided with a water outlet pipe, the water inlet pipe is communicated with the raw water channel, and the water outlet pipe is communicated with the water purification channel. The raw water that gets into from the inlet tube passes through the raw water passageway after, passes through reverse osmosis membrane's filtering action again, and during the trompil on the lateral wall of center tube lower part entered into the water purification passageway, discharge by the drain pipe at last, form complete water route flow direction, avoided water pollution, purifying effect is good.
The bottom of the shell is also provided with a waste water pipe. The waste water pipe is used for discharging the waste water which is not purified by the reverse osmosis membrane.
The water inlet shell cover is in threaded connection with the shell, and a sealing ring is arranged between the water inlet shell cover and the shell. In this structure, adopt threaded connection's mode, the dismouting is comparatively convenient on the one hand, and on the other hand is sealed effectual, and the setting of sealing washer has then further strengthened the leakproofness between into water cap and the casing.
Compared with the prior art, the utility model has the advantages of: the O-shaped ring is used for contacting with the shell to achieve the purpose of radial sealing, and compared with the traditional water stop ring, the volume is smaller, and the O-shaped ring is not directly arranged on the reverse osmosis membrane body but arranged on the connecting end cover, so that the effective diameter of the reverse osmosis membrane body can be enlarged and is close to the inner diameter of the shell as much as possible, the space of the shell is effectively utilized, the flux of the reverse osmosis membrane is increased, and the water production rate and the service life are both improved; the sealing and fixing device can ensure that the connection between the connection end cover and the reverse osmosis membrane body is more reliable, and in addition, the purpose of secondary water stopping is achieved, and water can be effectively prevented from seeping out from the connection end cover and the reverse osmosis membrane body; the utility model discloses the flux is great, the water yield is higher and life is longer.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
fig. 2 is a cross-sectional view of a first embodiment of the present invention;
fig. 3 is a partially enlarged schematic view of fig. 2 a according to the present invention;
fig. 4 is a schematic perspective view of a connection end cap according to a first embodiment of the present invention;
fig. 5 is a schematic perspective view of an exploded view of an embodiment of the present invention;
fig. 6 is a sectional view of a second embodiment of the present invention;
fig. 7 is a partially enlarged schematic view of fig. 6B according to the present invention;
fig. 8 is a schematic perspective view of a connecting end cap according to a second embodiment of the present invention;
fig. 9 is a schematic perspective view of a third embodiment of the present invention;
fig. 10 is a cross-sectional view of a fourth embodiment of the present invention;
fig. 11 is a partially enlarged schematic view of fig. 10 at C according to the present invention;
fig. 12 is a schematic perspective view of an exploded state of the embodiment of the present invention;
fig. 13 is an enlarged partial schematic view of fig. 12 at D in accordance with the present invention;
fig. 14 is a schematic perspective view of a fifth embodiment of the present invention;
fig. 15 is a cross-sectional view of a fifth embodiment of the present invention.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
The first embodiment is as follows: as shown in the figure, a high flux reverse osmosis membrane module, including center tube 1 and winding reverse osmosis membrane body 2 that sets up on center tube 1, the upper portion of center tube 1 has a raw water passageway 11, the lower part of center tube 1 has a water purification passageway 12, raw water passageway 11 and water purification passageway 12 are through setting up the baffler 13 mutual independence in center tube 1, the cover is equipped with connection end cover 3 on center tube 1, connection end cover 3 passes through sealed fixing device 4 to be fixed in reverse osmosis membrane body 2's upper end, and set up the mounting groove 31 of circumference distribution on connection end cover 3's the lateral wall, the mounting groove 31 internal fixation has O type circle 32.
In this embodiment, the side wall of the central tube 1 is provided with a water outlet 14 communicated with the raw water channel 11, the connecting end cover 3 is provided with a cavity 33 with a downward opening, the upper surface of the connecting end cover 3 is provided with a plurality of water seepage holes 34 communicated with the cavity 33, the center of the connecting end cover 3 is further fixed with a tube sleeve 35, the tube sleeve 35 is sleeved on the central tube 1, the inner side wall of the tube sleeve 35 is provided with a water flowing groove 36 from top to bottom, and the water flowing groove 36 corresponds to the water outlet 14, so that a water outlet gap is formed between the water flowing groove 36 and the central tube 1.
In this embodiment, a scale inhibitor 37 is placed in the cavity 33.
Example two: as shown in the figure, the other structure is the same as the first embodiment, except that a positioning mechanism 5 is arranged between the pipe sleeve 35 and the central pipe 1, the positioning mechanism 5 comprises an elastic protrusion 51 arranged on the inner side wall of the pipe sleeve 35 and a recess 52 arranged on the outer side wall of the central pipe 1, and the elastic protrusion 51 is located in the recess 52.
Example three: as shown in the figure, the other structure is the same as the embodiment except that the sealing fixing device 4 includes a sealing tape 41, and the sealing tape 41 is wound between the connection end cap 3 and the reverse osmosis membrane body 2.
Example four: as shown in the figures, the other structure is the same as the embodiment, but the difference is that the sealing and fixing device 4 includes a retaining ring 42 fixed at the bottom of the connecting end cover 3 and a receiving groove 43 disposed on the upper surface of the reverse osmosis membrane body 2, the retaining ring 42 is embedded in the receiving groove 43, and a sealant is disposed between the retaining ring 42 and the receiving groove 43.
In this embodiment, a sealing tape is further bonded between the connection end cap 3 and the reverse osmosis membrane body 2 to further improve water tightness.
Example five: as shown in the figure, the reverse osmosis filter element structure comprises a shell 6, a water inlet shell cover 7 fixed with the shell 6 in a sealing mode, and a high-flux reverse osmosis membrane module in the fourth embodiment, wherein the high-flux reverse osmosis membrane module is installed in the shell 6, and an O-shaped ring 32 in the high-flux reverse osmosis membrane module is in close contact with the inner side wall of the shell 6.
In this embodiment, the water inlet cover 7 is provided with a water inlet pipe 71, the bottom of the housing 6 is provided with a water outlet pipe 61, the water inlet pipe 71 is communicated with the raw water channel 11, and the water outlet pipe 61 is communicated with the purified water channel 12.
In this embodiment, a waste pipe 62 is further provided at the bottom of the housing 6.
In this embodiment, the water inlet cover 7 is connected to the housing 6 by a screw, and a seal ring 72 is disposed between the water inlet cover 7 and the housing 6.
Claims (10)
1. The utility model provides a high flux reverse osmosis membrane module, includes the center tube and the winding sets up the center tube on the reverse osmosis membrane body, the upper portion of center tube have a raw water passageway, the lower part of center tube have a water purification passageway, raw water passageway with the water purification passageway through set up the center tube in the baffler mutually independent, its characterized in that: the central tube on the cover be equipped with the connection end cover, the connection end cover fix through sealed fixing device the upper end of reverse osmosis membrane body, just the lateral wall of connection end cover on set up the mounting groove that circumference distributes, the mounting groove internal fixation have O type circle.
2. The high flux reverse osmosis membrane module of claim 1, wherein: the side wall of the central tube is provided with a water outlet communicated with the raw water channel, the connecting end cover is internally provided with a cavity with a downward opening, the upper surface of the connecting end cover is provided with a plurality of water seepage holes communicated with the cavity, the center of the connecting end cover is also fixed with a pipe sleeve, the pipe sleeve is sleeved on the central tube, the inner side wall of the pipe sleeve is provided with a water flowing groove from top to bottom, and the water flowing groove corresponds to the water outlet, so that a water outlet gap is formed between the water flowing groove and the central tube.
3. The high flux reverse osmosis membrane module of claim 2, wherein: and a scale inhibitor is placed in the cavity.
4. The high flux reverse osmosis membrane module of claim 2, wherein: the positioning mechanism is arranged between the pipe sleeve and the central pipe and comprises an elastic bulge arranged on the inner side wall of the pipe sleeve and a recess arranged on the outer side wall of the central pipe, and the elastic bulge is positioned in the recess.
5. The high flux reverse osmosis membrane module of claim 1, wherein: the sealing fixing device comprises a sealing strip, and the sealing strip is wound between the connecting end cover and the reverse osmosis membrane body.
6. The high flux reverse osmosis membrane module of claim 1, wherein: the sealing and fixing device comprises a retaining ring fixed to the bottom of the connecting end cover and a containing groove arranged on the upper surface of the reverse osmosis membrane body, the retaining ring is embedded in the containing groove, and sealant is arranged between the retaining ring and the containing groove.
7. The utility model provides a reverse osmosis filter core structure, including the casing and with the casing fixed water inlet cap of sealed, its characterized in that: the high-flux reverse osmosis membrane module of any one of claims 1-6 further comprising an O-ring disposed in close contact with an inner sidewall of the housing, wherein the high-flux reverse osmosis membrane module is mounted in the housing.
8. A reverse osmosis filter cartridge arrangement according to claim 7 wherein: the water inlet shell cover is provided with a water inlet pipe, the bottom of the shell is provided with a water outlet pipe, the water inlet pipe is communicated with the raw water channel, and the water outlet pipe is communicated with the water purification channel.
9. A reverse osmosis filter cartridge arrangement according to claim 8 wherein: the bottom of the shell is also provided with a waste water pipe.
10. A reverse osmosis filter cartridge arrangement according to claim 7 wherein: the water inlet shell cover is in threaded connection with the shell, and a sealing ring is arranged between the water inlet shell cover and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764547.7U CN210332296U (en) | 2019-05-24 | 2019-05-24 | High-flux reverse osmosis membrane module and reverse osmosis filter element structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764547.7U CN210332296U (en) | 2019-05-24 | 2019-05-24 | High-flux reverse osmosis membrane module and reverse osmosis filter element structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210332296U true CN210332296U (en) | 2020-04-17 |
Family
ID=70183092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920764547.7U Active CN210332296U (en) | 2019-05-24 | 2019-05-24 | High-flux reverse osmosis membrane module and reverse osmosis filter element structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210332296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102185A (en) * | 2019-05-24 | 2019-08-09 | 宁波灏钻科技有限公司 | A kind of high-flux reverse osmosis membrane component and reverse osmosis filter cartridge construction |
-
2019
- 2019-05-24 CN CN201920764547.7U patent/CN210332296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102185A (en) * | 2019-05-24 | 2019-08-09 | 宁波灏钻科技有限公司 | A kind of high-flux reverse osmosis membrane component and reverse osmosis filter cartridge construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210332296U (en) | High-flux reverse osmosis membrane module and reverse osmosis filter element structure | |
| CN207933104U (en) | A kind of water purification catridge | |
| CN110102185A (en) | A kind of high-flux reverse osmosis membrane component and reverse osmosis filter cartridge construction | |
| CN212894037U (en) | Degerming filter core | |
| CN111115883A (en) | Composite filter element and water treatment device with same | |
| CN208694718U (en) | A kind of side goes out the RO film filter of concentrated water | |
| CN209952397U (en) | Composite filter element | |
| CN219098829U (en) | Multi-port integrated ultrafiltration structure for water purifier | |
| CN215439719U (en) | Sealing installation structure of water purifier filter element | |
| CN208340505U (en) | A kind of novel combination type RO reverse osmosis membrane assembly | |
| CN213569749U (en) | Composite filter element | |
| CN214780922U (en) | Reverse osmosis and nanofiltration membrane component | |
| CN201300038Y (en) | External-pressure type hollow capillary ultra-filtering water purifier component | |
| CN111450704A (en) | Filter assembly and filter element structure applying same | |
| CN104556452A (en) | Integrated RO water purification machine | |
| CN210313758U (en) | Filter element assembly for sealed flow distribution and water purifier | |
| CN220589573U (en) | RO membrane roll for water purification filter element | |
| CN209835707U (en) | Shell structure for water quality processor | |
| CN213265942U (en) | Composite filter element | |
| CN214360409U (en) | Novel adjustable double-hole filter flask for water purifier | |
| CN219409362U (en) | RO filtration system with one-way valve | |
| CN214319751U (en) | Reverse osmosis filter core device | |
| CN210313648U (en) | Filter, water purification unit and water purification system | |
| CN219730627U (en) | Novel filter component and filter element | |
| CN204656155U (en) | The flushable ceramic element of pressure in upper water-out |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |