CN212687755U - Composite filter element with ultrafiltration membrane - Google Patents
Composite filter element with ultrafiltration membrane Download PDFInfo
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- CN212687755U CN212687755U CN202021571234.9U CN202021571234U CN212687755U CN 212687755 U CN212687755 U CN 212687755U CN 202021571234 U CN202021571234 U CN 202021571234U CN 212687755 U CN212687755 U CN 212687755U
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- ultrafiltration membrane
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Abstract
The utility model discloses a composite filter element with an ultrafiltration membrane, which comprises a shell, wherein a first-stage filter element, an ultrafiltration membrane filter element and a postpositive functional filter element are sequentially arranged in the shell along the water flow direction; the ultrafiltration membrane filter element comprises a body, the body comprises an outer barrel body and an inner barrel body which are arranged inside and outside, an annular cavity is formed between the inner periphery of the outer barrel body and the outer periphery of the inner barrel body, ultrafiltration membrane filaments are arranged in the annular cavity, a first water inlet is formed in the peripheral wall of the outer barrel body, and the composite filter element has the characteristic of long service life.
Description
Technical Field
The utility model relates to a composite filter element with milipore filter.
Background
The existing ultrafiltration membrane filtration technology can not meet the service life requirement of the composite ultrafiltration membrane and the rear filter material, the area of the ultrafiltration membrane is small under the same volume, or the filtration surface area of the built-in functional filter material is insufficient and the filtration wall thickness is too thick, so that the service life of the composite filter element can not meet the use requirement of a product. In addition, the prior filtering technology has the defects that the area of an ultrafiltration membrane is small under the same volume, or the filtering surface area of a built-in functional filter material is insufficient, so that the service life of the composite filter element cannot meet the use requirement of a product.
Disclosure of Invention
In order to solve the technical problem, an object of the utility model is to provide a composite filter element with milipore filter.
The utility model discloses a following technical scheme realizes:
a composite filter element with an ultrafiltration membrane comprises a shell, wherein a first-stage filter element, an ultrafiltration membrane filter element and a rear functional filter element are sequentially arranged in the shell along the water flow direction; the ultrafiltration membrane filter element comprises a body, the body comprises an outer barrel body and an inner barrel body which are arranged inside and outside, an annular cavity is formed between the inner periphery of the outer barrel body and the outer periphery of the inner barrel body, ultrafiltration membrane filaments are arranged in the annular cavity, and a first water inlet is formed in the peripheral wall of the outer barrel body.
The embodiment of the utility model provides an in, be located and form the second water inlet between the outer barrel of body one end and interior barrel.
The embodiment of the utility model provides an in, be located the body other end and be provided with the water guide lid, milipore filter membrane silk one end and the cooperation hookup of water guide lid, the play water end and the interior week of interior barrel of water guide lid link.
The embodiment of the utility model provides an in, the milipore filter membrane silk other end is extended the back toward the water guide lid reverse bending setting to body one end, milipore filter membrane silk is provided with the portion of bending closest to body one end department.
The embodiment of the utility model provides an in, outer barrel periphery is provided with the first water inlet of many rings towards the water guide lid from the second water inlet, the distance that the water guide covered the portion of bending is not more than the water guide covers the distance between the first water inlet that is closest to body one end.
In the embodiment of the utility model, the diameter of first water inlet is 3-6 times of the distance between outer barrel and the interior barrel.
In the embodiment of the utility model, an upper end cover and a lower end cover are arranged in the shell, the first-stage filter element, the ultrafiltration membrane filter element and the postpositional functional filter element are positioned between the upper end cover and the lower end cover, the first-stage filter element is positioned at the periphery of the ultrafiltration membrane filter element, and the ultrafiltration membrane filter element is positioned at the periphery of the functional filter element; the upper end cover is provided with a pure water outlet nozzle which is connected with a pure water outlet of the shell.
The embodiment of the utility model provides an in, still be provided with the first end cover in the casing, the first end cover is established in pure water faucet periphery, the first end cover should be provided with a water service port, water service port intercommunication casing water inlet and the end of intaking of first order filter core, be provided with the check valve on the water service port.
In the embodiment of the utility model, the lower end cover is provided with a first circular ring, a second circular ring and a third circular ring from inside to outside; the periphery of first ring is established to interior circumference cover of function filter core, the periphery of ultrafiltration membrane filter core and the interior circumference cooperation hookup of second go-between, being located between second ring and the third ring of first order filter core.
The utility model discloses a composite filter element with milipore filter has following beneficial effect: different from the prior art, the vertical compound technology has poor filtering effect and short filtering life, and the annular nested compound scheme can realize high-efficiency filtering and prolong the filtering life. Meanwhile, the composite mode has the advantages that the filtering area is large, the effective space in the cavity is fully utilized, the service life of the filter element is prolonged, in addition, the ultrafiltration membrane is positioned in front of the activated carbon rod, the sodium hypochlorite in the water can sterilize the ultrafiltration membrane, and the industrial problem that the ultrafiltration membrane is not smelly for a long time can be effectively solved; meanwhile, the composite filter element has a large filtering area, the effective space in the cavity is fully utilized, the service life of the filter element is prolonged, and the industrial problem that the ultrafiltration membrane is not smelly for a long time can be effectively solved by the composite mode.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a first schematic diagram of the present invention.
Fig. 2 is a second schematic diagram of the present invention.
Fig. 3 is a schematic diagram of the middle ultrafiltration membrane filter element of the present invention.
Fig. 4 is a schematic diagram of a middle ultrafiltration membrane cartridge of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
Referring to the drawings of the specification, a composite filter element with ultrafiltration membrane, including casing 200, first order filter core 210, ultrafiltration membrane filter core 220 and rearmounted function filter core 230 have set gradually according to the water flow direction in the casing, the ultrafiltration membrane filter core includes body 100, the body includes the outer barrel 10 and the interior barrel 20 of inside and outside setting, the utility model discloses a preferred embodiment, the coaxial setting of interior barrel and outer barrel, length can be for the same simultaneously, form annular cavity 101 between the outer barrel internal periphery and interior barrel periphery, this annular cavity can be regarded as a filter work's cavity, and water is filtered by ultrafiltration membrane silk in this annular cavity, be provided with ultrafiltration membrane silk 30 in the annular cavity, be provided with first water inlet 102 on the perisporium of outer barrel.
The utility model discloses further say that: the outer barrel that is located body one end forms second water inlet 103 with interior barrel within a definite time, refers to the description attached drawing, and the one end of body does not seal, has just so formed the second water inlet, the utility model discloses water in the well annular cavity can follow first water inlet, second water inlet and flow in.
The preferred is located the body other end and is provided with water guide lid 40, milipore filter membrane silk one end and the cooperation hookup of water guide lid, the play water end and the interior week of interior barrel of water guide lid link, the utility model discloses well through the mesohigh water guide lid after milipore filter membrane silk filters, then from the water guide lid to interior barrel interior week, realized the separation of pure water.
The utility model relates to an in the embodiment, toward the water guide lid reverse bending setting after the milipore filter membrane silk other end extends to body one end, milipore filter membrane silk is provided with the portion of bending 31 closest to body one end department, that is to say, this milipore filter membrane silk one end with water guide lid fixed connection, the other end is the activity, of course, the utility model provides an be provided with a lot of milipore filter membrane silks in the toroidal cavity.
The utility model discloses a preferred embodiment, outer barrel periphery is provided with the first water inlet of many rings from the second water inlet towards the water guide lid, specifically refers to the description attached drawing, has drawn in the figure and has distributed along outer barrel axis line has 7 layers of first water inlet groups, and every group first water inlet group all distributes six at least first water inlets along outer barrel axis line annular, the water guide lid is not more than to the distance L1 of the portion of bending the water guide lid is to the distance L2 between the first water inlet that is closest to body one end, can make rivers and the abundant filtration of intaking of milipore filter membrane silk like this, realizes efficiently, can not make body length overlength simultaneously, reaches make full use of. When the water guide cover is used, a first water inlet is also formed in the matching connection position of the outer cylinder body and the water guide cover.
The utility model discloses more specifically the saying so: the diameter R of the first water inlet is 3-6 times, preferably 4 times or 5 times, of the distance L between the outer cylinder and the inner cylinder.
The utility model discloses a further, be provided with upper end cover 201 and lower end cover 202 in the casing, first order filter core, ultrafiltration membrane filter core and rearmounted function filter core are located between upper end cover and lower end cover, first order filter core is located the periphery of ultrafiltration membrane filter core, the ultrafiltration membrane filter core is located the periphery of function filter core; the upper end cover is provided with a pure water outlet nozzle 203 which is connected with a pure water outlet 204 of the shell. Still be provided with first end cover 205 in the casing, first end cover sets up in pure water faucet periphery, this is provided with a water service mouth 206 of first end cover, water service mouth intercommunication casing water inlet 207 and the end of intaking of first order filter core, be provided with check valve 208 on the water service mouth. The lower end cover is provided with a first circular ring 21, a second circular ring 52 and a third circular ring 53 from inside to outside; the periphery of first ring is established to interior circumference cover of function filter core, the periphery of ultrafiltration membrane filter core and the interior circumference cooperation hookup of second go-between, being located between second ring and the third ring of first order filter core.
The utility model discloses can have following several innovation points: 1. by designing the special-shaped ultrafiltration membrane, the filtration area of the ultrafiltration membrane is increased under the same volume; 2. through the design of the special-shaped ultrafiltration membrane, the contact area of the rear functional filter element and water is increased under the same volume, and meanwhile, the problem that the wall is too thick on the premise of ensuring the material volume due to the fact that the filtering area of the rear filter element of a conventional upper and lower structure is not enough is solved; 3. the filter device comprises a pretreatment filter element (the first-stage filter element), an annular or crescent-shaped ultrafiltration membrane filter element and a rear functional filter element (which can be a carbon rod), wherein the three filter elements are in an annular nested structure; the utility model discloses under the same volume prerequisite, composite construction about comparing, the membrane area of milipore filter core can increase 20%, and the external surface area of rearmounted filter core increases 40%, effectively prolongs the filter core life-span. Water flow flows to the water inlet end of the first-stage filter element from the water inlet of the shell through the one-way valve, flows in from the outer surface of the first-stage filter element, flows into the ultrafiltration membrane filter element through the pretreatment filter element, flows in from the outer surface of the rear functional filter element, flows out from the inner surface of the rear functional filter element, and the front functional filter element and the rear functional filter element can be columnar, folded or filled with bulk materials. In another embodiment, the material of the ultrafiltration membrane may be PS, PES, PVDF, or the like.
The utility model discloses it is poor to be different from the upper and lower compound technique filter effect of current filtration technique, and filter life is short, through the nested compound scheme of annular, can realize high-efficient filtration, prolongs filter life. The composite filter element has a large filtering area, makes full use of the effective space in the cavity, prolongs the service life of the filter element, and can effectively solve the industrial problem that the ultrafiltration membrane is not smelly for a long time in the composite mode.
The utility model discloses more specifically the saying so: the ultrafiltration membrane filter element is a hollow fiber ultrafiltration membrane component which is sequentially provided with a hollow cylindrical inner barrel, an ultrafiltration membrane wire and an outer barrel from inside to outside, wherein the inner barrel and the outer barrel can be made of plastic parts, and the outer barrel is provided with first water inlets which are uniformly distributed; the hollow fiber ultrafiltration membrane wire of the utility model adopts a vibration glue filling method to be matched and connected with the water guide cover; water flows into the annular cavity from the first water inlet and the second water inlet, flows to the water guide cover after passing through the ultrafiltration membrane filaments, and then flows to the inner periphery of the inner barrel from the water guide cover.
The utility model discloses the material of milipore filter membrane silk that uses in can be for cellulose and derivative, polycarbonate, polyvinyl chloride, polyvinylidene fluoride, polysulfone, polyacrylonitrile, polyamide, polysulfonamide, sulfonated polysulfone, crosslinked polyvinyl alcohol, the combination in the modified acrylic acid polymer or more than two kinds, equally, in the embodiment of a preferred, this milipore filter membrane silk is the cavity form.
The utility model discloses in a manufacturing, the encapsulating technology of milipore filter membrane silk is the vibration encapsulating, and the implementation scheme is as follows:
the vibration glue filling of the ultrafiltration membrane wires adopts a structure that a motor is linked with a transmission rod, so that the ultrafiltration membrane wires do up-and-down reciprocating motion, the glue solution completely and uniformly permeates the ultrafiltration membrane wires and is combined with a water guide cover, the vibration glue filling realization mode is simple, the working efficiency is high, the problem that the special-shaped ultrafiltration membrane wires cannot be continuously produced due to centrifugal glue filling can be effectively avoided, and the production efficiency is high.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (9)
1. A composite filter element with an ultrafiltration membrane comprises a shell, and is characterized in that a first-stage filter element, an ultrafiltration membrane filter element and a postpositive functional filter element are sequentially arranged in the shell along the water flow direction; the ultrafiltration membrane filter element comprises a body, the body comprises an outer barrel body and an inner barrel body which are arranged inside and outside, an annular cavity is formed between the inner periphery of the outer barrel body and the outer periphery of the inner barrel body, ultrafiltration membrane filaments are arranged in the annular cavity, and a first water inlet is formed in the peripheral wall of the outer barrel body.
2. The composite filter element with the ultrafiltration membrane as claimed in claim 1, wherein a second water inlet is formed between the outer cylinder and the inner cylinder at one end of the body.
3. The composite filter element with the ultrafiltration membrane as claimed in any one of claims 1 or 2, wherein a water guide cover is arranged at the other end of the body, one end of the ultrafiltration membrane wire is matched and connected with the water guide cover, and the water outlet end of the water guide cover is connected with the inner periphery of the inner cylinder body.
4. The composite filter element with the ultrafiltration membrane as claimed in claim 3, wherein the other end of the ultrafiltration membrane wire extends towards one end of the body and is bent back towards the water guide cover, and a bent part is arranged at one end, closest to the body, of the ultrafiltration membrane wire.
5. The composite filter element with the ultrafiltration membrane as claimed in claim 4, wherein the outer cylinder is provided with a plurality of circles of first water inlets from the second water inlet towards the water guide cover, and the distance from the water guide cover to the bent part is not more than the distance from the water guide cover to the first water inlet closest to one end of the body.
6. The composite filter element with the ultrafiltration membrane as claimed in claim 5, wherein the diameter of the first water inlet is 3-6 times of the distance between the outer cylinder and the inner cylinder.
7. The composite filter element with the ultrafiltration membrane according to any one of claims 1, 2, 4, 5 or 6, wherein an upper end cover and a lower end cover are arranged in the shell, the first-stage filter element, the ultrafiltration membrane filter element and the rear functional filter element are positioned between the upper end cover and the lower end cover, the first-stage filter element is positioned on the periphery of the ultrafiltration membrane filter element, and the ultrafiltration membrane filter element is positioned on the periphery of the functional filter element; the upper end cover is provided with a pure water outlet nozzle which is connected with a pure water outlet of the shell.
8. The composite filter element with the ultrafiltration membrane as claimed in claim 7, wherein a first end cap is further arranged in the housing, the first end cap is sleeved on the periphery of the pure water faucet, the first end cap is provided with a water through port, the water through port is communicated with the water inlet of the housing and the water inlet end of the first stage filter element, and a one-way valve is arranged on the water through port.
9. The composite filter element with the ultrafiltration membrane according to claim 8, wherein a first circular ring, a second circular ring and a third circular ring from inside to outside are arranged on the lower end cover; the periphery of first ring is established to interior circumference cover of function filter core, the periphery of ultrafiltration membrane filter core and the interior circumference cooperation hookup of second go-between, being located between second ring and the third ring of first order filter core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021571234.9U CN212687755U (en) | 2020-07-31 | 2020-07-31 | Composite filter element with ultrafiltration membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021571234.9U CN212687755U (en) | 2020-07-31 | 2020-07-31 | Composite filter element with ultrafiltration membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212687755U true CN212687755U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021571234.9U Active CN212687755U (en) | 2020-07-31 | 2020-07-31 | Composite filter element with ultrafiltration membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212687755U (en) |
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- 2020-07-31 CN CN202021571234.9U patent/CN212687755U/en active Active
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