CN210171240U - Membrane structure of RO membrane filter core - Google Patents

Membrane structure of RO membrane filter core Download PDF

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Publication number
CN210171240U
CN210171240U CN201920105953.2U CN201920105953U CN210171240U CN 210171240 U CN210171240 U CN 210171240U CN 201920105953 U CN201920105953 U CN 201920105953U CN 210171240 U CN210171240 U CN 210171240U
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membrane
water
water film
reverse osmosis
film
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CN201920105953.2U
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Xiaoping Zhang
张小平
Xuefang Chen
陈雪方
Jun Shen
沈俊
Kaiqin Peng
彭开勤
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Zhejiang Qinyuan Water Treatment Technology Co Ltd
Unilever PLC
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Unilever PLC
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Abstract

The utility model provides a diaphragm structure of RO membrane filter core belongs to water purification unit's technical field. A membrane structure of an RO membrane filter element comprises a central tube, a membrane, a wrapping belt and a water diversion structure, and the membrane also comprises a water inlet membrane and a water outlet membrane; the utility model discloses an advance the water film and go out the water film book and establish on the center tube, the both ends rubber coating of water film and play water film, and it is provided with the middle rubber coating of partial confined to advance between water film and the play water film, make water film and play water film part intercommunication, make to form the water course that is "U" font setting in the diaphragm, the water course is longer, the area of crossing water also can be reduced simultaneously, make the velocity of water faster, not only purification efficiency has been accelerated, also can erode the diaphragm simultaneously, avoid remaining the damage that causes, prolong its life, alleviate the decline of flux, performance and rate of recovery are improved.

Description

Membrane structure of RO membrane filter core
Technical Field
The utility model relates to the technical field of water purification equipment, in particular to a membrane structure of a RO (reverse osmosis) membrane filter element.
Background
The RO membrane filter element is widely applied to the field of water purification due to small volume and high purification degree.
At present, the RO membrane of the RO membrane filter core on the market is back rubber coating structure, make and form U type water bag openly, and be provided with the drainage net, and the surface of RO membrane filter core twines and is equipped with the sclausura sticky tape, make the raw water get into from the one end of RO membrane through the drainage net, the pure water after the filtration is discharged from the center tube, waste water flows out from the other end, and the flow direction is the length direction of RO membrane filter core, make the area of crossing water big on the earth, thereby the problem that the velocity of flow is low on the earth has been leaded to, thereby make the RO membrane of the one end that rivers flow out remain the material on the surface, reduce the life-span of membrane, can cause the decline of flux after long-time the use.
Disclosure of Invention
The above-mentioned problem to exist among the prior art, it aims at providing a membrane structure of RO membrane filter core now, divide into water film and play water membrane, water film and play water membrane are all located on the center tube to advance water film and play water membrane cover, make former hydroenergy get into the postfiltration from the side of intaking the water film, then during waste water flows into the play water membrane, play water membrane realizes filtering on one side, discharge waste water from the side on one side, the purification to water has been realized, and, the size of intercommunication between water film and the play water membrane is adjusted to the accessible, thereby reduce the water passing area, make rivers can pass through at a high speed, purification efficiency has not only been accelerated, and simultaneously, can also wash away the membrane, avoid residual substance to damage the membrane, prolong its life, alleviate the decline of flux, performance and rate of recovery are improved.
The specific technical scheme is as follows:
a membrane sheet construction of an RO membrane cartridge having features comprising: the center tube, the diaphragm, parcel area and division water structure, wherein, center tube one end is sealed, a plurality of tube holes have been seted up on the center tube, the diaphragm is rolled up and is established on the center tube, the diaphragm includes water film and play water film, water film and play water film overlap side by side and establish on the center tube, and simultaneously, the one end that water film and play water film deviate from each other all is provided with the end rubber coating and seals up the end of water film and play water film, and be provided with middle rubber coating between water film and the play water film, middle rubber coating is the annular setting, and simultaneously, the outside of water film and play water film all is provided with the parcel area, the limbers has been seted up on the parcel area, and the outside in parcel area just is located the water film and goes out the cover between the.
In the membrane structure of the RO membrane cartridge, the membrane is disposed at an end of the central tube away from the closed end.
The membrane structure of the RO membrane filter element comprises a pure water diversion net, reverse osmosis membranes and a water inlet diversion net, wherein a double-layer structure is formed after one end of each reverse osmosis membrane is folded, the water inlet diversion net is arranged between double layers of the reverse osmosis membranes in a clamping mode, meanwhile, one membrane comprises the two reverse osmosis membranes, the two reverse osmosis membranes are arranged in a stacking mode, and the pure water diversion net is laid on two surfaces of one reverse osmosis membrane.
The membrane structure of the RO membrane filter element is characterized in that one end, folded by the reverse osmosis membrane, of the membrane is fixed on the central tube and is coiled, and meanwhile, the reverse osmosis membrane, provided with the pure water diversion net on two sides, is coiled on the outermost layer.
The membrane structure of the RO membrane filter element is characterized in that the outer ring of the middle glue coating is consistent with the surface of the outermost reverse osmosis membrane after being coiled, and a distance is arranged between the inner ring of the middle glue coating and the central tube.
The membrane structure of the RO membrane filter element is characterized in that the water outlet membrane and the water inlet membrane are communicated in the inner ring area with glue applied in the middle.
Foretell membrane structure of RO membrane filter core, wherein, be provided with water collecting structure on the center tube, water collecting structure communicates with the tube hole of center tube.
Foretell membrane structure of RO membrane filter core, wherein, the structure of catchmenting is the water catch bowl, and the water catch bowl is the spiral and sets up on the outer wall of center tube.
The positive effects of the technical scheme are as follows:
the membrane structure of the RO membrane filter element has the advantages that the central tube is wound with the water inlet membrane and the water outlet membrane, the outer sides of the water inlet membrane and the water outlet membrane are provided with the wrapping belts with the water through holes, raw water can enter the water inlet membrane from the side surface and then is filtered, then the waste water flows into the water outlet membrane, the water outlet membrane can realize filtration and simultaneously discharge the waste water from the side surface, the water purification is realized, the water flows from the water inlet membrane to the water outlet membrane flow in a U shape, the water channel is longer, the water passing area is smaller, the water flow is faster, the purification efficiency is accelerated, the membranes can be washed, the membranes are prevented from being damaged due to accumulation of residual substances, the service life of the membranes is prolonged, the reduction of flux is relieved, the recovery rate and the pure water are improved, the spiral water collecting structure is arranged, the purified water can be quickly collected and then is discharged into the hollow center tube through the tube holes, the discharge of pure water is realized, and the structure is more reasonable.
Drawings
Fig. 1 is a structural view of an embodiment of a membrane structure of an RO membrane cartridge according to the present invention;
fig. 2 is an expanded view of a view angle of a diaphragm structure according to a preferred embodiment of the present invention;
fig. 3 is an expanded view of another view of the diaphragm structure according to a preferred embodiment of the present invention;
FIG. 4 is a structural diagram of the middle glue coating according to a preferred embodiment of the present invention;
FIG. 5 is a structural diagram of the water inlet and outlet films according to a preferred embodiment of the present invention;
fig. 6 is a block diagram of a center tube according to a preferred embodiment of the present invention.
In the drawings: 1. a central tube; 11. a tube hole; 12. a water collection structure; 2. a membrane; 21. a water inlet film; 22. water film is discharged; 23. gluing the end head; 24. gluing the middle; 25. a pure water diversion net; 26. a reverse osmosis membrane; 27. a water inlet flow guide net; 3. wrapping the belt; 31. a water through hole; 4. a water diversion structure.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following embodiments are specifically described with reference to fig. 1 to 6, but the following contents are not intended to limit the present invention.
Fig. 1 is a structural diagram of an embodiment of a membrane structure of an RO membrane cartridge according to the present invention. As shown in fig. 1, the membrane structure of the RO membrane cartridge provided in this embodiment includes: the water-saving filter comprises a central tube 1, a membrane 2, a wrapping belt 3 and a water distribution structure 4, wherein the membrane 2 is wound on the central tube 1, the membrane 2 is divided into a water inlet membrane 21 and a water outlet membrane 22, the water inlet membrane 21 and the water outlet membrane 22 are arranged in parallel, end glue 23 is arranged at the end, which is deviated from each other, of the water inlet membrane 21 and the water outlet membrane 22, the end of the water inlet membrane 21 is sealed by the end glue 23, the end glue of the water inlet membrane 21 is sealed by the end of the water outlet membrane 22, an intermediate glue 24 is arranged between the water inlet membrane 21 and the water outlet membrane 22, the intermediate glue 24 is arranged in an annular shape, a space which is mutually communicated is reserved at the joint of the water inlet membrane 21 and the water outlet membrane 22, so that pure water obtained by filtering after the raw water enters from the side edge of the water inlet membrane 21 directly enters the central tube 1, the rest water enters the water outlet membrane 22 through the space which is mutually communicated, on one hand, the concentrated water is discharged through the side edge of the water outlet film 22, so that the water flow can flow in a U shape in the diaphragm 2, the water flow length is increased, the purification effect is improved, the water flow area is reduced simultaneously, the water flow speed is increased, the purification efficiency is improved, meanwhile, the membrane 2 can be flushed, substances possibly remaining on the diaphragm 2 are flushed away, the damage to the diaphragm 2 is avoided, the service life of the diaphragm is prolonged, the flux decline is relieved, and the use performance and the recovery rate are improved. In addition, the outside of diaphragm 2 is provided with parcel area 3 and wraps up diaphragm 2, is provided with a plurality of limbers 31 on the parcel area 3, has not only prevented that the diaphragm 2 after establishing of rolling up from scattering, can make raw water and dense water get into from the side of diaphragm 2 moreover to increased the runner, improved purification performance. And, still in the outside of parcel area 3 and be located the cover and be equipped with water diversion structure 4 between water film 21 and the play water film 22 for the raw water that gets into and the concentrated water of exhaust can separate, thereby has guaranteed water purification quality, and the structure is more reasonable.
Specifically, fig. 2 is an expanded view of a view angle of the diaphragm structure according to a preferred embodiment of the present invention; fig. 3 is an expanded view of another view of the structure of the diaphragm 2 according to a preferred embodiment of the present invention. As shown in fig. 1, fig. 2 and fig. 3, the membrane 2 includes a pure water diversion net 25, a reverse osmosis membrane 26 and a water inlet diversion net 27, a double-layer structure is formed after one end of the reverse osmosis membrane 26 is folded, the water inlet diversion net 27 is clamped between double layers of the reverse osmosis membrane 26, raw water enters a space between the two layers of the reverse osmosis membrane 26 and flows along the water inlet diversion net 27, the raw water can better flow between the reverse osmosis membranes 26 after entering the space, the purification efficiency is improved, meanwhile, the membrane 2 includes the two reverse osmosis membranes 26, the two reverse osmosis membranes 26 are stacked, the pure water diversion net 25 is paved on two surfaces of one of the reverse osmosis membranes 26, pure water filtered by the reverse osmosis membrane 26 flows out and then can quickly enter the central pipe 1 under the effect of the pure water diversion net 25, and the water purification performance is improved.
It is specific, reverse osmosis membrane 26 folding one end is fixed on center tube 1 and is rolled up in diaphragm 2, and simultaneously, reverse osmosis membrane 26 that pure water diversion net 25 has all been laid on two sides is rolled up and is established outwardly, make diaphragm 2 at the in-process of rolling up and establishing, the pure water diversion structure of the reverse osmosis's of inlayer outside can be regarded as to the pure water diversion net 25 that outer reverse osmosis membrane 26's outside was laid, the saving of material has been realized, two reverse osmosis membrane 26's structure is the same also can be guaranteed simultaneously, thereby water purification effect has been guaranteed, and the structure is more reasonable.
Specifically, fig. 4 is a structural diagram of the middle gluing according to a preferred embodiment of the present invention; fig. 5 is a structural diagram of the water inlet film and the water outlet film according to a preferred embodiment of the present invention. As shown in fig. 1, 4 and 5, the outer ring of the middle glue coating 24 is consistent with the surface of the outermost reverse osmosis membrane 26 after being rolled, a space is arranged between the inner ring of the middle glue coating 24 and the central tube 1, and meanwhile, the water outlet membrane 22 is communicated with the water inlet membrane 21 in the inner ring area of the middle glue coating 24, so that partial areas of the water inlet membrane 21 and the water outlet membrane 22 are sealed by the middle glue coating 24, and partial areas are communicated by the middle glue coating 24, so that raw water enters from the water inlet membrane 21 and then flows out from the water outlet membrane 22 through a U-shaped channel, the length of the water channel is prolonged, the purification effect is improved, the water passing area is reduced, the flow rate of water is improved, the purification effect is improved, the flushing of the membrane 2 is realized, the accumulation of residual substances is avoided, the membrane 2 is prevented from being damaged, the service life of the membrane 2 is prolonged, and the decrease of the, the service performance and the recovery rate are improved, and the water purification performance is better.
Specifically, fig. 6 is a structural diagram of a center tube according to a preferred embodiment of the present invention. As shown in fig. 1, fig. 2, fig. 3 and fig. 6, center tube 1 one end is sealed, and diaphragm 2 sets up at the center tube 1 and deviates from a confined one and serves, the pure water after being convenient for filter can be discharged through one end in the hollow of center tube 1, in addition, be provided with water collection structure 12 on the center tube 1, water collection structure 12 and the tube hole 11 of center tube 1 communicate, and water collection structure 12 is the water catch bowl, and the water catch bowl is the spiral setting on the outer wall of center tube 1, make the pure water that obtains after filtering through diaphragm 2 can collect in the water catch bowl fast, and spiral water catch bowl makes the pure water be the annular flow, thereby form one and pass through rivers fast, do benefit to rivers faster and enter into the hollow of center tube 1 from tube hole 11, the structure is more reasonable.
The membrane structure of the RO membrane filter cartridge provided by the embodiment comprises a central tube 1, a membrane 2, a wrapping tape 3 and a water diversion structure 4, wherein the membrane 2 further comprises a water inlet membrane 21 and a water outlet membrane 22; water film 21 and play water film 22 are rolled up and are established on center tube 1, water film 21 and the both ends rubber coating of play water film 22, and be provided with the middle rubber coating 24 of part confined between water film 21 and the play water film 22 of intaking, make water film 21 and the partial intercommunication of play water film 22, make the water course that is "U" font setting in diaphragm 2 formation, the water course is longer, also can reduce the water passing area simultaneously, make the velocity of water faster, purification efficiency has not only been accelerated, also can erode diaphragm 2 simultaneously, avoid remaining the damage that causes, prolong its life, alleviate the decline of flux, performance and rate of recovery are improved.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims (8)

1. A membrane sheet structure of a RO membrane cartridge, comprising: center tube, diaphragm, parcel area and division water structure, wherein, center tube one end is sealed, a plurality of tube holes have been seted up on the center tube, the diaphragm is rolled up and is established on the center tube, the diaphragm includes into the water film and goes out the water film, advance the water film with it establishes side by side to go out the water film on the center tube, simultaneously, advance the water film with the one end that goes out the water film and deviate from each other all is provided with the end rubber coating and will advance the water film with the end of going out the water film seals up, and advance the water film with it is provided with middle rubber coating to go out between the water film, middle rubber coating is the annular setting, simultaneously, advance the water film with the outside of going out the water film all is provided with the parcel area, the limbers has been seted up on the parcel area, and the outside in parcel area just is located advance the water film with it is.
2. A membrane structure of an RO membrane cartridge according to claim 1 wherein the membrane is disposed on the end of the central tube facing away from the closure.
3. The membrane structure of an RO membrane cartridge according to claim 1, wherein the membrane comprises a pure water diversion net, a reverse osmosis membrane and a water inlet diversion net, one end of the reverse osmosis membrane is folded to form a double-layer structure, the water inlet diversion net is sandwiched between the double layers of the reverse osmosis membrane, and simultaneously, one membrane comprises two reverse osmosis membranes, the two reverse osmosis membranes are stacked, and the pure water diversion net is laid on both sides of one of the reverse osmosis membranes.
4. A membrane structure of an RO membrane cartridge according to claim 3, wherein one folded end of the reverse osmosis membrane in the membrane is fixed to the central tube and is wound, and the reverse osmosis membrane having the pure water diversion net laid on both surfaces thereof is wound on the outermost layer.
5. A membrane structure of an RO membrane filter element according to claim 4, wherein the outer ring of the intermediate glue is in line with the surface of the outermost reverse osmosis membrane after being rolled, and a space is arranged between the inner ring of the intermediate glue and the central tube.
6. A membrane structure of an RO membrane cartridge according to claim 5, wherein said water outlet membrane and said water inlet membrane communicate in the region of said intermediate rubberized inner ring.
7. A membrane structure of an RO membrane cartridge according to claim 1 wherein a water collection structure is provided on the central tube, the water collection structure communicating with the tube apertures of the central tube.
8. A membrane structure of an RO membrane cartridge according to claim 7, wherein the water collection structure is a water collection tank, and the water collection tank is spirally disposed on the outer wall of the center tube.
CN201920105953.2U 2019-01-22 2019-01-22 Membrane structure of RO membrane filter core Active CN210171240U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109647215A (en) * 2019-01-22 2019-04-19 浙江沁园水处理科技有限公司 A kind of diaphragm structure of RO membrane filter
CN114849481A (en) * 2022-06-21 2022-08-05 杭州苏博瑞驰科技有限公司 Composite coiled membrane element and production process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109647215A (en) * 2019-01-22 2019-04-19 浙江沁园水处理科技有限公司 A kind of diaphragm structure of RO membrane filter
CN114849481A (en) * 2022-06-21 2022-08-05 杭州苏博瑞驰科技有限公司 Composite coiled membrane element and production process

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