CN217526667U - Smooth filtration membrane package of feed liquor - Google Patents
Smooth filtration membrane package of feed liquor Download PDFInfo
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- CN217526667U CN217526667U CN202221669209.3U CN202221669209U CN217526667U CN 217526667 U CN217526667 U CN 217526667U CN 202221669209 U CN202221669209 U CN 202221669209U CN 217526667 U CN217526667 U CN 217526667U
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Abstract
The utility model discloses a smooth filtration membrane package of feed liquor belongs to the filtration field, the problem of stoste infiltration feed liquor water conservancy diversion unit inefficiency has been solved, the technical scheme who solves this problem mainly is that feed liquor water conservancy diversion unit is equipped with first through-hole, second through-hole and third through-hole, filtrating water conservancy diversion unit is equipped with the fourth through-hole, fifth through-hole and sixth through-hole, the fourth through-hole meets the intercommunication with first through-hole and is used for inputing the stoste, the intercommunication is in succession with the second through-hole and is used for exporting filtrating with the second through-hole, the intercommunication is in succession with the sixth through-hole and is used for exhaust gas and/or liquid to the third through-hole, the aperture of first through-hole is D 1 The inner diameter of the fourth through hole is D 4 ，D 1 Is less than D 4 The wall of the first through hole is opposite to the wall of the second through holeThe hole wall of the fourth through hole protrudes to form a first annular boss for receiving the stock solution. The utility model discloses mainly used tangential flow filters, improves the efficiency that stoste got into feed liquor water conservancy diversion unit to be favorable to improving filtration efficiency.
Description
Technical Field
The utility model relates to a filtration field, especially a smooth filtration membrane package of feed liquor.
Background
One type of filter membrane package is used to achieve tangential flow filtration, and reference may be made to the filtration apparatus disclosed in CN101298005a for related art. Specifically, the filter membrane package generally includes a liquid inlet diversion unit and a filtrate diversion unit, the liquid inlet diversion unit and the filtrate diversion unit are alternately stacked, the liquid inlet diversion unit generally includes a liquid inlet diversion screen 911, the filtrate diversion unit generally includes a filter membrane 921 and a filtrate diversion screen 922, as shown in fig. 1 to 3, the liquid inlet diversion unit is provided with a first through hole 901, a second through hole 902, and a third through hole 903, the filtrate diversion unit is provided with a fourth through hole 904, a fifth through hole 905, and a sixth through hole 906, the fourth through hole 904 is connected and communicated with the first through hole 901 and used for inputting stock solution, the fifth through hole 905 is connected and communicated with the second through hole 902 and used for outputting filtrate, and the third through hole 903 is connected and communicated with the sixth through hole 906 and used for discharging gas and/or liquid. The process of filtering the fluid with the filter membrane is as follows: the stock solution to be filtered enters the filter membrane package from the first through hole 901, then flows into the liquid inlet guide screen 911 from the hole wall of the first through hole 901, is filtered by the filter membrane 921 to generate filtrate, the filtrate flows into the filtrate guide screen 922, then is discharged out of the filter membrane package through the fifth through hole 905 and the second through hole 902, and part of the unfiltered residual solution is discharged out of the third through hole 903 of the liquid inlet guide unit. In order to form an effective and reliable flow passage, the hole walls of the fourth through hole 904 and the sixth through hole 906 need to be encapsulated by the encapsulation glue 900, so that the stock solution is prevented from directly flowing into or flowing out of the filtrate guiding unit from the fourth through hole 904 and the sixth through hole 906. In the prior art, the apertures of the first through hole 901 and the fourth through hole 904 are substantially consistent, and even after the fourth through hole 904 is encapsulated by the encapsulation adhesive 900, the situation that the aperture of the fourth through hole 904 is smaller than that of the first through hole 901 can be formed, especially the first through hole 901 between two fourth through holes 904 is small, because the contact area with the stock solution is only the hole wall of the first through hole 901, the permeation space is small, the stock solution is not favorable for permeating into the liquid inlet flow guide screen 911 from the hole wall of the first through hole 901, especially the filter membrane is clamped when in use, the encapsulation adhesive 900 in the fourth through holes at two sides of the first through hole 901 can be further blocked by the hole wall of the first through hole 901 after being subjected to compression deformation, and further leading to the stock solution input to be blocked, as shown in fig. 2A.
SUMMERY OF THE UTILITY MODEL
The utility model aims to reach provides a smooth filtration membrane package of feed liquor, improves the efficiency that stoste got into feed liquor water conservancy diversion unit to be favorable to improving filtration efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the filter membrane package comprises a liquid inlet guide unit and a filtrate guide unit, wherein the liquid inlet guide unit and the filtrate guide unit are alternately superposed, the liquid inlet guide unit is provided with a first through hole, a second through hole and a third through hole, the filtrate guide unit is provided with a fourth through hole, a fifth through hole and a sixth through hole, the fourth through hole is communicated with the first through hole and used for inputting stock solution, the fifth through hole is communicated with the second through hole and used for outputting filtrate, the third through hole is communicated with the sixth through hole and used for discharging gas and/or liquid, and the aperture of the first through hole is D 1 The inner diameter of the fourth through hole is D 4 ，D 1 Is less than D 4 And the hole wall of the first through hole is enabled to protrude relative to the hole wall of the fourth through hole to form a first annular boss for receiving stock solution.
Further, said D 1 =0.85D 4 ～0.99D 4 。
Further, said D 4 -D 1 =0.5～5mm。
Further, the liquid inlet guide unit comprises a liquid inlet guide screen, and the liquid inlet guide screen forms a first annular boss on the hole wall of the first through hole.
Further, filtrating water conservancy diversion unit includes filtrating water conservancy diversion screen cloth and filter membrane, and in a filtrating water conservancy diversion unit, the filter membrane clamp is established in one side or both sides of filtrating water conservancy diversion screen cloth, and filtrating water conservancy diversion screen cloth is equipped with the first filtrating screen cloth through-hole that runs through filtrating water conservancy diversion screen cloth, and the filter membrane is equipped with the first filter membrane through-hole that runs through the filter membrane, and the pore wall of first filtrating screen cloth through-hole and first filter membrane through-hole is through the encapsulation of encapsulation glue encapsulation and form integrative first glue ring, and the hole formation fourth through-hole of first glue ring.
Further, the packaging glue permeates into the filtrate diversion screen mesh from the hole wall of the through hole of the first filtrate screen mesh to form a second glue ring.
Furthermore, a guide unit positioned on the outermost side in the filter membrane package is a liquid inlet guide unit, and the inner diameter of a second through hole of the liquid inlet guide unit is smaller than the aperture of a fifth through hole connected with the liquid inlet guide unit; or the flow guide unit positioned on the outermost side in the filter membrane package is a filtrate flow guide unit, the filtrate flow guide unit comprises a filtrate flow guide screen and a filter membrane, the filtrate flow guide screen is positioned on the outer side of the filter membrane, and the aperture of a part of through holes forming the fifth through holes on the filtrate flow guide screen is smaller than the aperture of a part of through holes forming the fifth through holes on the filter membrane.
Further, feed liquor water conservancy diversion unit includes feed liquor water conservancy diversion screen cloth, and feed liquor water conservancy diversion screen cloth is equipped with first feed liquor screen cloth through-hole, and the pore wall of first feed liquor screen cloth through-hole is glued the encapsulation through the encapsulation and is formed the third and glue the ring, and the hole that the ring was glued to the third forms the second through-hole.
Further, the packaging adhesive penetrates into the liquid inlet flow guide screen from the hole wall of the through hole of the first liquid inlet screen to form a fourth adhesive ring.
Further, the aperture of the sixth through hole is not larger than the aperture of the third through hole.
After the technical scheme is adopted, the utility model has the advantages of as follows: by design D 1 Is less than D 4 When the raw liquid is input into the filter membrane package, the contact area between the hole wall of the first through hole and the raw liquid can be increased by using the first annular boss, and the first annular boss is provided with an end surface facing the inflow direction of the raw liquid, so that the speed of the raw liquid permeating into the liquid inlet guide unit can be increased, the efficiency of the raw liquid entering the liquid inlet guide unit is improved, and the filtering efficiency is improved; the filter membrane is clamped when in use, and the existence of the first annular boss can also prevent the fourth through hole from being compressed and deformed to block the hole wall of the first through hole, so that the obstruction to the input of stock solution is avoided; in addition, the fourth through hole between the two first through holes can form a containing cavity with a certain volume, and when the stock solution with high viscosity is filtered, the fourth through hole can be used for temporarily storing the stock solution, and the stock solution is timely supplemented to the adjacent first through holes, so that the filtering efficiency is also favorably improved.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic representation of a prior art filter membrane package;
FIG. 2 is a cross-sectional view of a prior art filter membrane package (first through-holes);
FIG. 2A is a schematic view of a filter membrane compressed to cause a wall of a first through-hole to become smaller;
FIG. 3 is a cross-sectional view of a prior art filter membrane package (second through-hole);
fig. 4 is a cross-sectional view (first through-hole) of a filter membrane package of the present invention with smooth feed;
fig. 5 is a cross-sectional view (second through-hole) of a filter membrane module of the present invention with smooth feed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions 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, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The terms "first," "second," "third," "fourth," and the like (if any) in the description and claims of the present invention and in the above-described drawings 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.
It should be understood that, in various embodiments of the present invention, the sequence numbers related to the processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
It should be understood that in the present application, "comprising" and "having" and any variations thereof, is intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that, in the present invention, "a plurality" means two or more. "and/or" is merely an association describing an associated object, meaning that three relationships may exist, e.g., X and/or Y, may mean: x alone, X and Y simultaneously, and Y alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "comprises X, Y and Z" and "comprises X, Y, Z" means that X, Y, Z all comprise three, "comprises X, Y or Z" means that one of three X, Y, Z is comprised, "comprises X, Y and/or Z" means that any one or any two or three of X, Y, Z is comprised.
The technical solution of the present invention will be described in detail with specific examples. The following specific embodiments may be optionally combined with or replaced by each other according to practical situations, and the same or similar concepts or processes may not be described in detail in some embodiments.
The utility model provides a smooth filtration membrane package of feed liquor, including feed liquor water conservancy diversion unit and filtrating water conservancy diversion unit, feed liquor water conservancy diversion unit and filtrating water conservancy diversion unit superpose in turn, as shown in fig. 4 and fig. 5, feed liquor water conservancy diversion unit is equipped with first through-hole 901, second through-hole 902 and third through-hole 903, filtrating water conservancy diversion unit is equipped with fourth through-hole 904, fifth through-hole 905 and sixth through-hole 906, fourth through-hole 904 meets with first through-hole 901 and communicates and is used for the input stoste, fifth through-hole 905 meets with second through-hole 902 and communicates and is used for the output filtrating, third through-hole 903 meets with sixth through-hole 906 and communicates and is used for exhaust gas and/or liquid, exhaust gas specifically can be the gas outgoing that will filter the membrane package at the initial stage under the pressure of stoste, exhaust liquid then can be the filtration initial stage will filter the remaining liquid outgoing in the membrane package under the pressure of stoste, then seal third through-hole 903, it filters to form the dead end, also can ooze in the production and oozeThe third through hole 903 is kept normally open in the filtering mode of the residual liquid to discharge the residual liquid to form tangential flow filtration, and the aperture of the first through hole 901 is D 1 The fourth through hole 904 has an inner diameter D 4 ，D 1 Is less than D 4 The hole wall of the first through hole 901 protrudes relative to the hole wall of the fourth through hole 904 to form a first annular boss 912 for receiving the stock solution. The utility model discloses in through design D 1 Is less than D 4 The hole wall of the first through hole 901 protrudes relative to the hole wall of the fourth through hole 904 to form a first annular boss 912 for receiving the stock solution, when the stock solution is input into the filter membrane pack, the contact area between the hole wall of the first through hole 901 and the stock solution can be increased by using the first annular boss 912, and the first annular boss 912 has an end surface facing the inflow direction of the stock solution, so that the speed of the stock solution penetrating into the liquid inlet diversion unit can be increased, the efficiency of the stock solution entering the liquid inlet diversion unit is improved, and the filtration efficiency is improved; the filter membrane is clamped when in use, and the existence of the first annular boss can also prevent the fourth through hole from being compressed and deformed to block the hole wall of the first through hole, so that the obstruction to the input of stock solution is avoided; in addition, the fourth through hole 904 between the two first through holes 901 can form a containing cavity with a certain volume, and when the stock solution with high viscosity is filtered, the containing cavity can be used for temporarily storing the stock solution, and the stock solution is timely supplemented to the adjacent first through hole 901, so that the filtering efficiency is also favorably improved.
The diameter of the first through hole 901 is not too small or too large, and can be determined within a reasonable range, and D can be selected 1 =0.85D 4 ～0.99D 4 。D 1 Too small, which is not favorable for the stock solution to flow in the channel formed by the communication of the first through hole 901 and the fourth through hole 904, D 1 If the size is too large, the surface of the first annular boss 912 is reduced, which is not favorable for the raw liquid to penetrate into the liquid inlet guide unit. In particular embodiments, D may be selected 4 -D 1 = 0.5-5 mm, for example, a reasonable range of values can be selected for different types of stock solutions, and if the viscosity of the stock solution is high, D can be adjusted 4 -D 1 By choosing a larger value and a less viscous stock solution, D can be adjusted 4 -D 1 The smaller value is selected.
Generally, the liquid inlet guide unit comprises a liquid inlet guide screen 911, so that the liquid inlet guide screen 911 may form a first annular boss 912 at the hole wall of the first through hole 901.
In one embodiment, the filtrate diversion unit includes a filter membrane 921 and a filtrate diversion screen 922, in one filtrate diversion unit, the filter membrane 921 is clamped on one side or two sides of the filtrate diversion screen 922, the filtrate diversion screen 922 is provided with a first filtrate screen through hole penetrating through the filtrate diversion screen 922, the filter membrane 921 is provided with a first filter membrane through hole penetrating through the filter membrane 921, the hole walls of the first filtrate screen through hole and the first filter membrane through hole are encapsulated by an encapsulation glue and form an integrated first glue ring 9001, and the inner hole of the first glue ring 9001 forms a fourth through hole 904. In the drawings, the first rubber ring 9001 has a certain thickness for clarity, in an actual product, the first rubber ring 9001 may be formed by a relatively thin layer of encapsulation glue, and in order to enhance the strength of the first rubber ring 9001, the encapsulation glue may penetrate into the filtrate guiding screen 922 from the hole wall of the through hole of the first filtrate screen to form a second rubber ring 9002.
Referring to fig. 3, in the prior art, in order to facilitate the discharge of the filtrate, the inner diameter of the second through hole 902 is generally designed to be equal to the diameter of the fifth through hole 905, and in one embodiment, the guide unit located at the outermost side in the filtration membrane bag is a liquid inlet guide unit, and in order to further improve the efficiency of the discharge of the filtrate, as shown in fig. 5, the inner diameter D of the second through hole 902 of the liquid inlet guide unit may be designed to be equal to the inner diameter of the fifth through hole 905 2 Is smaller than the aperture D of the fifth through hole 905 connected therewith 5 The hole wall that makes second through-hole 902's the relative fifth through-hole 905 of hole wall forms the throat structure, and filtrating when second through-hole 902, can obtain with higher speed to flow out second through-hole 902 fast, also can let the negative pressure of forming certain degree in the fifth through-hole 905 simultaneously, the filtrating of being convenient for in the filtrating water conservancy diversion unit flows out fast and gets into fifth through-hole 905, also is favorable to promoting filtration efficiency. In another embodiment, the guide unit located at the outermost side in the filtration membrane bag is a filtrate guide unit, the filtrate guide unit comprises a filtrate guide screen and a filtration membrane, the filtrate guide screen is located at the outer side of the filtration membrane, and the aperture of a part of through holes on the filtrate guide screen, which form the fifth through holes, is smaller than that of a part of the filtration membrane, which form the fifth through holesThe aperture of the through hole can also form a necking structure, and the filtrate can be accelerated when flowing out, so that the filtrate can quickly flow out of the fifth through hole.
Feed liquor water conservancy diversion unit includes feed liquor water conservancy diversion screen cloth 911, and feed liquor water conservancy diversion screen cloth 911 is equipped with first feed liquor screen cloth through-hole, in order to avoid filtrating to flow back from the pore wall of first feed liquor screen cloth through-hole and get into feed liquor water conservancy diversion screen cloth 911, can glue the encapsulation and form third at the pore wall of first feed liquor screen cloth through-hole through the encapsulation and glue ring 9003, and the hole formation second through-hole 902 of ring is glued to the third. For improving the strength of the third glue ring and the tightness of the through hole of the first liquid inlet screen, the packaging glue can penetrate into the liquid inlet guide screen 911 from the hole wall of the through hole of the first liquid inlet screen to form a fourth glue ring 9004.
In some cases, the residual solution may be discharged from the channel formed by the third through hole and the sixth through hole, and in order to facilitate the discharge of the residual solution, the aperture of the sixth through hole 906 may be selected to be not smaller than the aperture of the third through hole 903, for example, as shown in fig. 4, the aperture of the sixth through hole 906 is larger than the aperture of the third through hole 903, and the residual solution may be accelerated when passing through the third through hole, thereby facilitating the discharge of the residual solution, and in another embodiment, the aperture of the sixth through hole 906 may be selected to be equal to the aperture of the third through hole 903
In some cases, the second through holes 902 may be only provided in one row or one row, in other cases, the second through holes 902 may be provided in two rows or two rows, for example, as shown in fig. 1, one row of the second through holes 902 is spaced from the first through holes 901, the other row of the second through holes 902 is spaced from the third through holes 903, and the fifth through holes 905 are also correspondingly provided, so that the number of the second through holes 902 is increased, thereby accelerating the discharge of filtrate and improving the filtration efficiency.
In addition to the above preferred embodiments, the present invention also provides other embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the claimed invention.
Claims (10)
1. A filter membrane package with smooth liquid inlet comprises a liquid inlet guide unit and a filtrate guide unitThe liquid inlet guide unit and the filtrate guide unit are alternately superposed, the liquid inlet guide unit is provided with a first through hole, a second through hole and a third through hole, the filtrate guide unit is provided with a fourth through hole, a fifth through hole and a sixth through hole, the fourth through hole is communicated with the first through hole and used for inputting stock solution, the fifth through hole is communicated with the second through hole and used for outputting filtrate, and the third through hole is communicated with the sixth through hole and used for discharging gas and/or liquid 1 The inner diameter of the fourth through hole is D 4 ，D 1 Is less than D 4 And the hole wall of the first through hole is enabled to protrude relative to the hole wall of the fourth through hole to form a first annular boss for receiving stock solution.
2. The feed-flow smoothing filter membrane package of claim 1, wherein D is 1 =0.85D 4 ～0.99D 4 。
3. Feed-flow smoothing filter membrane package according to claim 1 or 2, wherein D is 4 -D 1 =0.5～5mm。
4. The liquid inlet smooth filter membrane package according to claim 1, wherein the liquid inlet guide unit comprises a liquid inlet guide screen, and the liquid inlet guide screen forms a first annular boss at the hole wall of the first through hole.
5. The filter membrane package with smooth liquid inlet according to claim 1, wherein the filtrate diversion unit comprises a filtrate diversion screen and a filter membrane, the filter membrane is clamped on one side or two sides of the filtrate diversion screen in one filtrate diversion unit, the filtrate diversion screen is provided with a first filtrate screen through hole penetrating through the filtrate diversion screen, the filter membrane is provided with a first filter membrane through hole penetrating through the filter membrane, the hole walls of the first filtrate screen through hole and the first filter membrane through hole are encapsulated by encapsulation glue to form an integrated first glue ring, and an inner hole of the first glue ring forms a fourth through hole.
6. The filter membrane package with smooth inlet liquid of claim 5, wherein the packaging adhesive penetrates into the filtrate diversion screen from the wall of the first filtrate screen through hole to form a second adhesive ring.
7. The liquid inlet smooth filter membrane package of claim 1, wherein the guide unit positioned at the outermost side in the filter membrane package is a liquid inlet guide unit, and the inner diameter of the second through hole of the liquid inlet guide unit is smaller than the pore diameter of the fifth through hole connected with the second through hole; or the flow guide unit positioned on the outermost side in the filter membrane package is a filtrate flow guide unit, the filtrate flow guide unit comprises a filtrate flow guide screen and a filter membrane, the filtrate flow guide screen is positioned on the outer side of the filter membrane, and the aperture of a part of through holes forming the fifth through holes on the filtrate flow guide screen is smaller than the aperture of a part of through holes forming the fifth through holes on the filter membrane.
8. The filter membrane package with smooth liquid inlet according to claim 1, wherein the liquid inlet guide unit comprises a liquid inlet guide screen, the liquid inlet guide screen is provided with a first liquid inlet screen through hole, the hole wall of the first liquid inlet screen through hole is encapsulated by encapsulation glue and forms a third glue ring, and the inner hole of the third glue ring forms a second through hole.
9. The feed-fluent filtration membrane package according to claim 8, wherein the potting adhesive penetrates into the feed guide screen from the wall of the through hole of the first feed screen to form a fourth adhesive ring.
10. The feed-flow filter membrane package according to claim 1, wherein the pore size of the sixth through holes is not smaller than the pore size of the third through holes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221669209.3U CN217526667U (en) | 2022-07-01 | 2022-07-01 | Smooth filtration membrane package of feed liquor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221669209.3U CN217526667U (en) | 2022-07-01 | 2022-07-01 | Smooth filtration membrane package of feed liquor |
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| CN217526667U true CN217526667U (en) | 2022-10-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382292A (en) * | 2022-08-18 | 2022-11-25 | 杭州科百特过滤器材有限公司 | Filtering film package |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382292A (en) * | 2022-08-18 | 2022-11-25 | 杭州科百特过滤器材有限公司 | Filtering film package |
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