CN202497827U - Rolled membrane element and rolled membrane system - Google Patents
Rolled membrane element and rolled membrane system Download PDFInfo
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- CN202497827U CN202497827U CN2012200227420U CN201220022742U CN202497827U CN 202497827 U CN202497827 U CN 202497827U CN 2012200227420 U CN2012200227420 U CN 2012200227420U CN 201220022742 U CN201220022742 U CN 201220022742U CN 202497827 U CN202497827 U CN 202497827U
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- 239000012528 membrane Substances 0.000 title claims abstract description 50
- 230000007704 transition Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 38
- 238000001914 filtration Methods 0.000 abstract description 21
- 239000002245 particle Substances 0.000 abstract description 8
- 230000010287 polarization Effects 0.000 abstract description 7
- 125000006850 spacer group Chemical group 0.000 abstract 3
- 238000012856 packing Methods 0.000 abstract 2
- 239000000945 filler Substances 0.000 description 12
- 230000006378 damage Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 238000005374 membrane filtration Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
本实用新型公开了一种卷式膜元件，包括轴芯、至少一张平板膜和至少一张支撑层，所述平板膜和所述支撑层交替叠加并由所述轴芯卷为圆柱体；所述平板膜包括膜片和间隔体，所述膜片沿长度方向对折，所述间隔体位于所述膜片之间，所述间隔体为所述膜片宽度方向平行的经线。所述经线的方向与所述平板膜卷制的圆柱体的轴向方向相同，所述经线可以为轴向流动的液体导流，所述液体轴向流动时受到的阻力较小。此结构的卷式膜元件可以采用填料过滤法，填料中的粒子不会滞留在流道内，所述粒子与所述膜片不断碰撞，能够增大传质系数；同时还可以促进所述液体的湍流，减小浓差极化现象。本实用新型还公开了一种包括上述卷式膜元件的卷式膜系统。
The utility model discloses a rolled membrane element, which comprises a shaft core, at least one flat film and at least one support layer, the flat film and the support layer are stacked alternately and rolled into a cylinder by the shaft core; The flat film includes a diaphragm and a spacer, the diaphragm is folded in half along the length direction, the spacer is located between the diaphragms, and the spacer is a warp parallel to the width direction of the diaphragm. The direction of the warp is the same as the axial direction of the cylindrical body rolled by the flat film, and the warp can guide the liquid flowing in the axial direction, and the liquid receives less resistance when flowing in the axial direction. The coiled membrane element with this structure can adopt the packing filtration method, the particles in the packing will not stay in the flow channel, and the particles will constantly collide with the membrane, which can increase the mass transfer coefficient; at the same time, it can also promote the flow of the liquid. Turbulent flow, reducing concentration polarization. The utility model also discloses a roll-type membrane system comprising the above-mentioned roll-type membrane element.
Description
Technical field
The utility model relates to filtration art, particularly relates to a kind of rolled film element that is used to filter.In addition, the utility model also relates to a kind of rolled film system that comprises above-mentioned rolled film element.
Background technology
Continuous development along with science and technology has engendered membrane filtration in the filtering technique.
The principle of membrane filtration is a process of utilizing the pore size of film to sieve; Pressure differential with the film both sides is a driving force; With the film is filter medium, and stoste flows through the film surface under certain pressure, and the micropore on film surface only allows water and small-molecule substance through becoming through liquid; Volume becomes concentrate greater than the liquid feeding side that the material of film surface micropore then is trapped within film in the stoste, has realized the separation of stoste and concentrates.
The application at present application mode of membrane filtration more widely is a rolled film, and the rolled film element mainly is to roll through flat sheet membrane to form.Flat sheet membrane is rolled into cylinder through the axle core, and during filtration, stoste gets into from cylindrical end face, in cylinder, is divided into radial and axial two paths; The liquid of Radial Flow becomes through liquid through the filtering holes on film surface, and seeing through flow derives to the axle core and through the axle core; The liquid feeding side that volume is stayed film greater than the material in film surface filtration hole in the stoste becomes concentrate, and concentrate is along cylindrical axial flow, flows to cylindrical end and is derived by the fluid collection tube of end.
The rolled film element generally includes a core, flat sheet membrane and supporting layer, and said flat sheet membrane and said supporting layer alternately stack are rolled by said axle core and form.A kind of structure of typical flat sheet membrane is as shown in Figure 1, and said flat sheet membrane comprises diaphragm 1 and interval body 2, the doubling along its length of said diaphragm 1, and said interval body 2 is between said diaphragm 1, and institute's interval body 2 is netted, has warp and parallel.Said warp is consistent with the cylindrical axial direction that said flat sheet membrane is rolled into; Said parallel is consistent with the direction of the cylindrical circumference that said flat sheet membrane is rolled into.
Said warp can play the effect of water conservancy diversion to the liquid of axial flow, and said parallel can promote the turbulent flow of the liquid of axial flow.But in the application process of reality, said parallel can produce the liquid of axial flow and hinder, and can carry out failure by shear to the active material in the liquid, and it is lost activity.
Flow of liquid when said interval body 2, except resistance greatly, also have certain dead band in the flow process, liquid is inactive state near said parallel, be prone to form permanent dirt.
Simultaneously, the membrane component of prior art can not adopt the filler filtration method because the filler that adds can stop by said parallel, and then stops up whole runner, make liquid be difficult to through.Said membrane component can not use the sponge ball ablution, and said sponge ball can be stopped and stays in the runner by said parallel.Said membrane component can only select for use chemical agent to clean, and this mode is very little to the effect of some pollutant, when clearing the pollution off, also can destroy the structure of diaphragm.
Therefore, having the dead band when how to solve the rolled film element filters and can not adopt the problem of filler filtration method, is that those skilled in the art are badly in need of the technical problem that solves at present.
The utility model content
The purpose of the utility model provides a kind of rolled film element, and this rolled film element can guarantee flow of liquid through no dead angle, film surface, and liquid is not had the shearing force of destruction, can use the filler filtration method.Another purpose of the utility model provides a kind of rolled film system that comprises above-mentioned rolled film element.
In order to solve the problems of the technologies described above, the utility model provides a kind of rolled film element, comprises a core, at least one flat sheet membrane and at least one supporting layer, and said flat sheet membrane and said supporting layer alternately superpose and rolled up by said axle core is cylinder; Said flat sheet membrane comprises diaphragm and interval body, the doubling along its length of said diaphragm, and said interval body is between said diaphragm, and said interval body is the parallel warp of said diaphragm width.
Preferably, said interval body also comprises wall, and the one or both sides of said wall have said warp.
Preferably, the both sides of said wall all have said warp, said the staggering through line position of said wall both sides.
Preferably, the contact jaw of said warp and said wall greater than with the contact jaw of said diaphragm.
Preferably, the cross section of said warp is a symmetrical structure, and the center line of said warp is the symmetrical centre of said wall opposite side two warps adjacent with said warp.
Preferably, the contact jaw of said warp and said diaphragm is a circular arc, and the radius of said circular arc is smaller or equal to 200 millimeters.
Preferably; Said circular arc links to each other with said wall through big camber line transition; The angle of the tangent line of said big camber line and said wall contact point from the outside of said warp to said wall is the exterior angle of said warp, and said exterior angle is more than or equal to 90 degree and smaller or equal to 150 degree.
Preferably; The ratio of the height of said warp and the thickness of said wall is more than or equal to 0.1 and smaller or equal to 1000; The ratio of the height of said warp and the wavelength of said warp is more than or equal to 0.01 and smaller or equal to 10, and the ratio of the half-breadth of said warp and the half-wavelength of said warp is more than or equal to 0.05 and smaller or equal to 1.
Preferably; The radius of said circular arc is more than or equal to 0.5 millimeter and smaller or equal to 3 millimeters; The exterior angle of said warp is more than or equal to 120 degree and smaller or equal to 135 degree; The ratio of the height of said warp and the thickness of said wall is more than or equal to 2 and smaller or equal to 10, and the ratio of the height of said warp and the wavelength of said warp is more than or equal to 0.1 and smaller or equal to 0.5, and the ratio of the half-breadth of said warp and the half-wavelength of said warp is more than or equal to 0.25 and smaller or equal to 0.5.
The utility model also provides a kind of rolled film system, comprises rolled film element and putamina, and said rolled film element is above-mentioned each described rolled film element.
The rolled film element that the utility model provides comprises a core, at least one flat sheet membrane and at least one supporting layer, and said flat sheet membrane and said supporting layer alternately superpose and rolled up by said axle core is cylinder; Said flat sheet membrane comprises diaphragm and interval body, the doubling along its length of said diaphragm, and said interval body is between said diaphragm, and said interval body is the parallel warp of said diaphragm width.
The direction of said warp is identical with the cylindrical axial direction that said flat sheet membrane rolls, and said warp can be the liquid guide flow of axial flow, and the resistance that receives during said liquid axial flow is less, can not carry out the destruction of mechanical force to feed liquid.
The rolled film element of this structure can adopt the filler filtration method, and the particle in the filler can not be trapped in the runner, and said particle and said diaphragm constantly collide, and can increase mass tranfer coefficient; Said particle can also promote the turbulent flow of said liquid simultaneously, reduces the concentration polarization phenomenon, improves the resistance tocrocking of said flat sheet membrane, reduces the number of times that cleans.
In a kind of mode, said interval body has wall, and the one or both sides of said wall have said warp.
Said wall can have only a side to have said warp, and the side and the said diaphragm that do not have said warp are fitted.Said wall also can all have said warp in both sides, and the warp of said wall both sides contacts with two said diaphragms respectively.
In the another kind of mode, the both sides of said wall all have said warp, said the staggering through line position of said wall both sides.The cross section of said warp is a symmetrical structure, and the center line of said warp is the symmetrical centre of said wall opposite side two warps adjacent with said warp.The contact jaw of said warp and said diaphragm is a circular arc, and the radius of said circular arc is smaller or equal to 200 millimeters.
The warp of said wall both sides can be for what replace, and the shape of its cross section is similar to sine wave.The contact jaw of said warp and said diaphragm is more little, and the effective area of said membrane filtration is just big more.
In a kind of mode further; The ratio of the height of said warp and the thickness of said wall is more than or equal to 0.1 and smaller or equal to 1000; The ratio of the height of said warp and the wavelength of said warp is more than or equal to 0.01 and smaller or equal to 10, and the ratio of the half-breadth of said warp and the half-wavelength of said warp is more than or equal to 0.05 and smaller or equal to 1.
At the thickness direction of said flat sheet membrane, the distance between the contact point of the contact point of said big camber line and said wall and said circular arc and said diaphragm is the height of said warp, and the distance between two sides of said wall is the thickness of said wall.
Weft direction in said flat sheet membrane; The contact point of said big camber line 313 and said wall is the half-breadth of said warp to the distance of the center line of said warp; Beeline between the center line of the warp of said wall homonymy is the wavelength of said warp, said wall not the beeline between the center line of the warp of homonymy be the half-wavelength of said warp.
The utility model also provides a kind of rolled film system, comprises above-mentioned rolled film element, and this rolled film system can guarantee flow of liquid through no dead angle, film surface, and liquid is not had the shearing force of destruction, can also use the filler filtration method.
Description of drawings
Fig. 1 is a kind of structural representation of flat sheet membrane of typical rolled film element;
The structural representation of the flat sheet membrane of the rolled film element that Fig. 2 is provided for the utility model embodiment;
Fig. 3 is the partial structurtes sketch map of the cross section of flat sheet membrane shown in Figure 2;
Fig. 4 is the partial structurtes sketch map of the interval body cross section of flat sheet membrane shown in Figure 2.
The specific embodiment
The core of the utility model provides a kind of rolled film element, and this rolled film element can guarantee flow of liquid through no dead angle, film surface, and liquid is not had the shearing force of destruction, can use the filler filtration method.Another core of the utility model provides a kind of rolled film system that comprises above-mentioned rolled film element.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 2 to Fig. 4; The structural representation of the flat sheet membrane of the rolled film element that Fig. 2 is provided for the utility model embodiment; Fig. 3 is the partial structurtes sketch map of the cross section of flat sheet membrane shown in Figure 2, and Fig. 4 is the partial structurtes sketch map of the interval body cross section of flat sheet membrane shown in Figure 2.
In a kind of concrete embodiment, the utility model provides a kind of rolled film element, comprises a core, at least one flat sheet membrane and at least one supporting layer, and said flat sheet membrane and said supporting layer alternately superpose and rolled up by said axle core is cylinder; Said flat sheet membrane comprises diaphragm 1 and interval body 3, the doubling along its length of said diaphragm 1, and said interval body 3 is between said diaphragm 1, and said interval body 3 is the parallel warp 31 of said diaphragm 1 width.
The direction of said warp 31 is identical with the cylindrical axial direction that said flat sheet membrane rolls, and said warp 31 can be the liquid guide flow of axial flow, and the resistance that receives during said liquid axial flow is less, can not carry out the destruction of mechanical force to feed liquid.
The rolled film element of this structure can adopt the filler filtration method, and the particle in the filler can not be trapped in the runner, and said particle and said diaphragm constantly collide, and can increase mass tranfer coefficient; Said particle can also promote the turbulent flow of said liquid simultaneously, reduces the concentration polarization phenomenon, improves the resistance tocrocking of said flat sheet membrane, reduces the number of times that cleans.
Said mass tranfer coefficient is the speed of material through filter membrane.Said concentration polarization phenomenon is meant when filtering; Around the filtering holes of said diaphragm 1, less through the more solute of the solvent of said filtering holes, make that the concentration of solution raises around the said filtering holes; Crystallization around said filtering holes easily increases the resistance of solution through said filtering holes.The turbulent flow of liquid helps to reduce the concentration polarization phenomenon, and liquid axially passes through when helping the rolled film element filters.
Said diaphragm 1 can be reverse osmosis membrane, NF membrane, milipore filter, micro-filtration membrane, gas separation membrane etc.
Said warp 31 can be parallel with the cylindrical axial direction that said diaphragm 1 rolls; Also can be identical, with the said cylindrical axially angled warp that is parallel to each other 31 with said cylindrical axial trend.
In the another kind of concrete embodiment, said interval body 3 has wall 32, and the one or both sides of said wall 32 have said warp 31.
Said wall 32 can have only a side to have said warp 31, and the side and the said diaphragm 1 that do not have said warp 31 are fitted.Said wall 32 also can all have said warp 31 in both sides, and the warp 31 of said wall 32 both sides contacts with two said diaphragms 1 respectively, and the both sides of said wall 32 all have runner.
In the further concrete embodiment, the both sides of said wall 32 all have said warp 31, stagger in said warp 31 positions of said wall 32 both sides.
When said wall 32 both sides all had said warp 31, the position of both sides warp 31 can also can be to stagger each other in both sides for arbitrarily.
In the further concrete embodiment, the contact jaw of said warp 31 and said wall 32 greater than with the contact jaw of said diaphragm 1.
Liquid along the rolled film Radial Flow will flow to said axle core through said diaphragm 1, and said warp 31 is more little with the area that said diaphragm contacts, and the effective area of 1 pair of said liquid filtering of said diaphragm is just big more.Said warp 31 is little with the contact jaw of said diaphragm 1, can increase the effective area that said diaphragm 1 filters.
A kind of preferred embodiment in, the cross section of said warp 31 is a symmetrical structure, the center line 311 of said warp 31 is the symmetrical centre of two adjacent warps 31 of said wall 32 opposite sides and said warp 31.
Said warp 31 is a symmetrical structure, and the said warp 31 of the said wall 32 both sides identical distance of alternately being separated by, and the cross section of then said interval body 3 is to be similar to sinusoidal wave figure.
In the further concrete embodiment, said warp 31 is circular arc F with the contact jaw of said diaphragm 1, and the radius of said circular arc F is smaller or equal to 200 millimeters.
In the further preferred embodiment; Said circular arc F links to each other with said wall 32 through big camber line 312 transition; The angle of the tangent line of said big camber line 312 and said wall 32 contact points from the outside of said warp 31 to said wall 32 is the exterior angle G of said warp 31, and said exterior angle G is more than or equal to 90 degree and smaller or equal to 150 degree.
Certainly; The version of said warp 31 not only is confined to the described situation of above-mentioned each embodiment; Can between said wall 32 and said diaphragm 1, form the shaft orientation flowing channel of rolled film, satisfy the warp 31 of other versions of above-mentioned situation and also can in the utility model, use.
In the another kind of concrete embodiment; The ratio of the thickness B of the height A of said warp 31 and said wall 32 is more than or equal to 0.1 and smaller or equal to 1000; The ratio of the wavelength C of the height A of said warp 31 and said warp 31 is more than or equal to 0.01 and smaller or equal to 10, and the ratio of the half-wavelength D of the half-breadth E of said warp 31 and said warp 31 is more than or equal to 0.05 and smaller or equal to 1.
Thickness direction in said flat sheet membrane; Distance between the contact point of the contact point of said big camber line 312 and said wall 32 and said circular arc F and said diaphragm 1 is the height A of said warp 31, and the distance between 32 two sides of said wall is the thickness B of said wall 32.
Weft direction in said flat sheet membrane; The contact point of said big camber line 312 and said wall 32 is the half-breadth E of said warp 31 to the distance of the center line 311 of said warp 31; Beeline between the center line 311 of the warp 31 of said wall 32 homonymies is the wavelength C of said warp 31, said wall 32 not the beeline between the center line 311 of the warp 31 of homonymy be the half-wavelength D of said warp 31.
In the further preferred embodiment; The radius of said circular arc F is more than or equal to 0.5 millimeter and smaller or equal to 3 millimeters; The exterior angle G of said warp 31 is more than or equal to 120 degree and smaller or equal to 135 degree; The ratio of the thickness B of the height A of said warp 31 and said wall 32 is more than or equal to 2 and smaller or equal to 10; The ratio of the wavelength C of the height A of said warp 31 and said warp 31 is more than or equal to 0.1 and smaller or equal to 0.5, and the ratio of the half-wavelength D of the half-breadth E of said warp 31 and said warp 31 is more than or equal to 0.25 and smaller or equal to 0.5.
In sum, above-mentioned rolled film element is when filtering, and runner is identical with feedstock direction, flows through film no any stopping of surface active component that can disturbance liquid destruction liquid.When handling inert matter liquid, can promote liquid turbulence through the mode of filler, turbulent flow mainly is the bead and the continuous collision of said diaphragm 1 that relies in the filler, thereby makes near the concentration polarization layer attenuation the said diaphragm 1, the increase mass tranfer coefficient.
This mode turbulent flow facilitation effect is good, and is little to the failure by shear effect of liquid, can control concentration polarization, improves the resistance tocrocking of film, reduces the number of times that cleans, and improves the service life of film, can also reduce the consumption of energy simultaneously.
Said rolled film element can adopt the sponge ball ablution, and said sponge ball ablution is a kind of cleaning way of pure physics, more environmental protection, thoroughly.Select the cleaning fluid of the sponge ball of certain volume size for use, said sponge ball can produce disturbance to current, produces collision and scraping with said diaphragm 1 surface, thereby accomplish the physics of rolled film element is cleaned, and said sponge ball can also reclaim and continue next time to use.This cleaning way time is short, and cleaning performance is good, has increased the service life of rolled film element.
Except above-mentioned rolled film element, the utility model also provides a kind of rolled film system that comprises above-mentioned rolled film element, and the structure of these other each several parts of rolled film system please refer to prior art, and this paper repeats no more.
More than rolled film system and rolled film element thereof that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. a rolled film element comprises a core, at least one flat sheet membrane and at least one supporting layer, and said flat sheet membrane and said supporting layer alternately superpose and rolled up by said axle core is cylinder; Said flat sheet membrane comprises diaphragm (1) and interval body (3), said diaphragm (1) doubling along its length, and said interval body (3) is positioned between the said diaphragm (1), it is characterized in that, and said interval body (3) is the parallel warp (31) of said diaphragm (1) width.
2. rolled film element as claimed in claim 1 is characterized in that, said interval body (3) also comprises wall (32), and the one or both sides of said wall (32) have said warp (31).
3. rolled film element as claimed in claim 2 is characterized in that, the both sides of said wall (32) all have said warp (31), staggers in said warp (31) position of said wall (32) both sides.
4. rolled film element as claimed in claim 3 is characterized in that, the contact jaw of said warp (31) and said wall (32) greater than with the contact jaw of said diaphragm (1).
5. rolled film element as claimed in claim 4; It is characterized in that; The cross section of said warp (31) is a symmetrical structure, and the center line (311) of said warp (31) is the symmetrical centre of said wall (32) opposite side two warps (31) adjacent with said warp (31).
6. rolled film element as claimed in claim 5 is characterized in that, said warp (31) is circular arc (F) with the contact jaw of said diaphragm (1), and the radius of said circular arc (F) is smaller or equal to 200 millimeters.
7. rolled film element as claimed in claim 6; It is characterized in that; Said circular arc (F) links to each other with said wall (32) through big camber line (312) transition; The angle of the tangent line of said big camber line (312) and said wall (32) contact point from the outside of said warp (31) to said wall (32) is the exterior angle (G) of said warp (31), and said exterior angle (G) spends more than or equal to 90 degree and smaller or equal to 150.
8. rolled film element as claimed in claim 7; It is characterized in that; The ratio of the height (A) of said warp (31) and the thickness (B) of said wall (32) is more than or equal to 0.1 and smaller or equal to 1000; The ratio of the height (A) of said warp (31) and the wavelength (C) of said warp (31) is more than or equal to 0.01 and smaller or equal to 10, and the ratio of the half-breadth (E) of said warp (31) and the half-wavelength (D) of said warp (31) is more than or equal to 0.05 and smaller or equal to 1.
9. rolled film element as claimed in claim 8; It is characterized in that; The radius of said circular arc (F) is more than or equal to 0.5 millimeter and smaller or equal to 3 millimeters; The exterior angle (G) of said warp (31) is more than or equal to 120 degree and smaller or equal to 135 degree; The ratio of the height (A) of said warp (31) and the thickness (B) of said wall (32) is more than or equal to 2 and smaller or equal to 10, and the ratio of the height (A) of said warp (31) and the wavelength (C) of said warp (31) is more than or equal to 0.1 and smaller or equal to 0.5, and the ratio of the half-breadth (E) of said warp (31) and the half-wavelength (D) of said warp (31) is more than or equal to 0.25 and smaller or equal to 0.5.
10. a rolled film system comprises rolled film element and putamina, it is characterized in that, said rolled film element is each described rolled film element of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200227420U CN202497827U (en) | 2012-01-17 | 2012-01-17 | Rolled membrane element and rolled membrane system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200227420U CN202497827U (en) | 2012-01-17 | 2012-01-17 | Rolled membrane element and rolled membrane system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041708A (en) * | 2012-12-28 | 2013-04-17 | 成都连接流体分离科技有限公司 | High-pollution-resistance roll type membrane component |
| CN104741005A (en) * | 2015-03-27 | 2015-07-01 | 浙江美易膜科技有限公司 | Roll type microtubular membrane assembly for external membrane bioreactor |
| CN106925128A (en) * | 2016-05-23 | 2017-07-07 | 中科瑞阳膜技术（北京）有限公司 | A kind of membrane bioreactor and its rolled membrane module |
-
2012
- 2012-01-17 CN CN2012200227420U patent/CN202497827U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041708A (en) * | 2012-12-28 | 2013-04-17 | 成都连接流体分离科技有限公司 | High-pollution-resistance roll type membrane component |
| CN103041708B (en) * | 2012-12-28 | 2015-01-07 | 成都连接流体分离科技有限公司 | High-pollution-resistance roll type membrane component |
| CN104741005A (en) * | 2015-03-27 | 2015-07-01 | 浙江美易膜科技有限公司 | Roll type microtubular membrane assembly for external membrane bioreactor |
| CN106925128A (en) * | 2016-05-23 | 2017-07-07 | 中科瑞阳膜技术（北京）有限公司 | A kind of membrane bioreactor and its rolled membrane module |
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Inventor after: He Fuhai Inventor after: Yang Nan Inventor after: Du Dezhi Inventor after: Zhang Juan Inventor before: He Fuhai Inventor before: Yang Nan Inventor before: Du Dezhi Inventor before: Yue Ying |
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