CN207546240U - A kind of hollow fiber film assembly in membrane chemical reactor - Google Patents
A kind of hollow fiber film assembly in membrane chemical reactor Download PDFInfo
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- CN207546240U CN207546240U CN201721461158.4U CN201721461158U CN207546240U CN 207546240 U CN207546240 U CN 207546240U CN 201721461158 U CN201721461158 U CN 201721461158U CN 207546240 U CN207546240 U CN 207546240U
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- hollow fiber
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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
Abstract
The utility model embodiment provides a kind of hollow fiber film assembly in membrane chemical reactor, which includes putamina, film wire distribution grid, filler and Duo Gen hollow fiber film threads；Film wire distribution grid is set to inside the putamina, the plate side wall of film wire distribution grid is bonded affixed with the inner surface of the side wall of the putamina, and it is reserved with space between the bottom face of the plate face of film wire distribution grid and opposite putamina, the more hollow fiber film threads correspond respectively to be placed in the through hole of the film wire distribution grid, and the port of each hollow fiber film thread one end is concordant with the first plate face, the port closed of the other end；The through hole of film wire distribution grid and the gap across the hollow fiber film thread in the hole are equipped with the filler, the filler is used to prevent from being reserved with the water exudation assembled in space, the first plate face plate face opposite with the inner surface of the bottom face of the putamina for film wire distribution grid.The component solves the problems, such as pollutant accumulation.
Description
Technical field
The utility model is related to water-treatment technology field, more particularly to a kind of hollow fibre in membrane chemical reactor
Tie up membrane module.
Background technology
Micro-filtration is the liquid phases separation carried out under the motive force effect of static pressure difference, is using most general in all membrane process
All over, most extensively, a technology of total sales volume maximum.Microfiltration membranes have realized industry in many applications of field of food industry at present
Change, drinking water and municipal sewage treatment be also widely used and industrialize, for Industrial Wastewater Treatment in terms of research it is big
Amount is carried out.With industrial development, industrial wastewater source is complicated, and pollutant kind is various, and it is difficult to handle, therefore portion to have many waste water
A large amount of high-concentration waste water is discharged into the water bodys such as river, lake by point industrial department, cause many heavy metals enter air,
In water, soil, cause serious environmental pollution.At present traditional coagulation, precipitation technique method effluent quality be difficult to reach
To discharge standard, can be expected to solve the problems, such as these using membrane separation technique.Wherein membrane chemical reactor (MCR, Membrane
Coagulation-reactor the substances such as hardness, molten silicon, sulfate radical, heavy metal, tiny difficult precipitation suspended matter can) be effectively removed.
Currently on the market for the film in MCR mostly based on immersion curtain type membrane, one layer can be formed in operational process on film wire surface
Filter cake, the formation of the filter cake reduce the service efficiency of MCR.
At present, it is proposed that a kind of doughnut curtain membrane structure, as shown in Figure 1, the structure includes multiple membrane modules and one
A aerator, wherein, membrane module includes hollow fiber film thread 13 and two putaminas 33, and the both ends of hollow fiber film thread 13 are distinguished
It is uniformly placed between shell membrane 331, lower shell membrane 332, and the gap between hollow fiber film thread 13 and hollow fiber film thread 13
Gap between two putaminas 33 is filled up by epoxy resin as filler, and aerator is placed in the lower film of multiple membrane modules
The lower section of shell 332.It is easier to form filter cake, and the filter cake formed is very due to being located at 13 intermediate suspended particle 14 of hollow fiber film thread
Difficulty is washed away totally, and then cause at the lower shell 332 of the membrane module by the aeration that the aerator of 332 bottom of lower shell generates
Particulate matter easily deposits, with the increase of running time, the pollutant of bottom is cumulative, be easy to cause effective mistake of membrane module
Filtering surface product is reduced, and then influences treatment effect.
Invention content
The utility model embodiment is designed to provide a kind of hollow fiber microfiltration membrane component, to solve pollutant accumulation
The problem of.Specific technical solution is as follows：
A kind of hollow fiber film assembly in membrane chemical reactor, the component include：Putamina, film wire distribution grid,
Filler and Duo Gen hollow fiber film threads；
Wherein, the film wire distribution grid is in the platy structure with the through hole for penetrating plate body plate face, and the plate body includes
Plate face and plate side wall；
The putamina is in shell structure, the shell structure include bottom face and along bottom face edge to first direction
The side wall of extension, the first direction are the axis direction of bottom face；
The bottom face of the shell structure is equipped with through-hole, along the outer surface of bottom face, from the edge of the through-hole to institute
The radially outwardly extending stretching annular convex edge of through-hole is stated, forms inlet, the edge of the through-hole is the outer surface phase of through-hole and bottom face
The edge formed after passing through；
Film wire distribution grid is set to inside the putamina, the plate side wall of the film wire distribution grid and the side wall of the putamina
Inner surface fitting is affixed, and is reserved between the bottom face of the plate face putamina opposite with the plate face of the film wire distribution grid
Space, the more hollow fiber film threads correspond respectively to be placed in the through hole of the film wire distribution grid, and each described
The port of hollow fiber film thread one end is concordant with the first plate face, the port closed of the other end；The through hole of the film wire distribution grid
Gap the hollow fiber film thread across the hole is equipped with the filler, and the filler is described pre- for preventing
There are the water exudation collected in space, first plate face is opposite with the inner surface of the bottom face of the putamina for film wire distribution grid
Plate face.
Further, the hollow fiber film thread is hollow fiber film yarn or hollow fiber microfiltration membrane silk.
Further, a diameter of 1 millimeter~10 millimeters of the through hole.
Further, a diameter of 3 millimeters~6 millimeters of the through hole.
Further, the spacing of the through hole is 1 millimeter~8 millimeters.
Further, the spacing of the through hole is 2 millimeters~5 millimeters.
Further, the quantity of the inlet is one or two.
Further, the material of the hollow fiber film thread is fluorine material.
Further, the port of the other end reaches closed state by fusing bonding.
Further, the material of the filler is epoxy resin.
A kind of hollow fiber film assembly in membrane chemical reactor that the utility model embodiment provides, the component packet
Include putamina, film wire distribution grid, filler and Duo Gen hollow fiber film threads；Wherein, film wire distribution grid is set to inside the putamina,
The plate side wall of the film wire distribution grid is bonded affixed, and the plate face of the film wire distribution grid with the inner surface of the side wall of the putamina
Space is reserved between the bottom face of the putamina opposite with the plate face, the more hollow fiber film threads correspond respectively
It is placed in the through hole of the film wire distribution grid, and the port of each described hollow fiber film thread one end is concordant with the first plate face,
The port closed of the other end；The through hole of the film wire distribution grid and the gap across the hollow fiber film thread in the hole
Equipped with the filler, the filler is used to prevent the water exudation for being reserved with and collecting in space, and first plate face is
The film wire distribution grid plate face opposite with the inner surface of the bottom face of the putamina.The filter that suspended particle is formed in the component sewage
Cake is trapped in the outer surface of hollow fiber film thread, and the filter cake after retention is recoiled, along hollow fiber film thread in its back cover
End slides, and solves the problems, such as pollutant accumulation, and then improve the effective filtration area of membrane module, extends service life.
Certainly, implementing any product of the utility model or method must be not necessarily required to reach all the above advantage simultaneously.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.
Fig. 1 is a kind of schematic diagram of doughnut curtain membrane structure of the prior art；
Fig. 2 is a kind of showing for hollow fiber film assembly in membrane chemical reactor that the utility model embodiment provides
It is intended to；
Fig. 3 is the schematic diagram of film wire distribution grid that the utility model embodiment provides；
Fig. 4 is the sectional view of putamina that the utility model embodiment provides.
Wherein, the correspondence in Fig. 1 to Fig. 4 between each component Name and attached drawing is：
33- putaminas；The upper putaminas of 331-；332- lower shells；13- hollow fiber film threads；14- suspended particles；
1- putaminas；2- film wire distribution grids；3- hollow fiber film threads；4- inlets；5- suspended particles；11- bottom faces
Inner surface；The outer surface of 12- bottom faces；21- through holes.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
In order to be understood more clearly to the utility model embodiment, now to the utility model embodiment provide noun into
Row is described in detail, specific as follows：
MCR is that the one kind to grow up on the basis of membrane bioreactor (MBR, Membrane Bio-Reactor) is novel
Water treatment facilities.It is to be combined chemical reaction technology with membrane separation process, replaces sedimentation basin and filter tank with membrane module, leads to
Membrane separation technology is further strengthened chemically reacting intensity, makes chemical reaction more thorough, while producing water water quality is greatly better than tradition
Precipitate filtering technique.
Four kinds of microfiltration membranes, ultrafiltration membrane, NF membrane and reverse osmosis membrane forms, above-mentioned film point are divided into according to the size of micropore size
The microfiltration membranes used from technology.
Wherein, microfiltration membranes refer generally to filter membrane of the pore size filter between 0.1-1 microns, with following features：
1) separative efficiency is the most important performance characteristics of microporous barrier, which is controlled by aperture and the pore-size distribution of film；By
It can accomplish that aperture is more uniform in miillpore filter, so the filtering accuracy of microfiltration membranes is higher, reliability is higher.
2) surface porosity factor is high, can generally reach 70%, 40 times at least faster than the filter paper of equal interception capacity.
3) thickness of microfiltration membranes is small, and loss caused by liquid is adsorbed by filter medium is considerably less.
4) high score subclass microfiltration membranes are a uniform non-individual body, and when filtering does not have medium to come off, and will not cause secondary pollution,
So as to obtain the filtrate of high-purity.
Ultrafiltration membrane is that a kind of aperture specification is consistent, the micropore filtering film that ranging from less than 0.01 micron of nominal pore, tool
There are following features：
1) good hydrophily；Filter membrane has long-term hydrophilicity through special hydrophilicity-imparting treatment, film wire, hydrolyzes feeler
30~35 degree are reduced to by 79~90 degree before modified；It can obtain high water-flowing amount under relatively low transmembrane pressure, improve simultaneously
The anti-fouling performance of film wire.
2) filtering accuracy is high, has the uniform micropore for being less than 0.1 micron, can remove microorganism, colloid, diatom and
Other cause muddy substance.
3) good mechanical strength；The mechanical strength size of filter membrane reflects the ability that film wire resists fracture of wire, and fracture of wire makes to surpass
Filter membrane loses separating property, is an important indicator for evaluating and testing ultrafiltration film properties.
4) long lifespan, stain resistance are strong；There are the performances such as good resistant to chemical etching, resistance to oxidation and light aging resisting.Therefore
It can repeatedly be cleaned using various methods, to remove pollutant and restore flux.
5) properties of product stablized；From the supply of raw material, preparation process and product testing are started with.Ensure that material quality is steady
It is fixed, self-consistent accurate control and the detection very of product in preparation process, it is ensured that the stability of product.
NF membrane, in more than 1nm, general 1-2nm, it is to allow solvent molecule or certain low molecular weight solutes or low in aperture
A kind of functional semi-permeable membrane that valency ion penetrates, with following features：
1) concentrating and purifying process carries out at normal temperatures, and without phase-change, no chemical reaction does not bring other impurities into and causes product
Decomposition denaturation, particularly suitable for heat-sensitive substance.
2) it can remove the salinity of product, reduce product ash content, improve product purity, relative to solvent desalination, not only product
Quality is more preferable, and yield can also increase.
3) technical process high income, loss are few.
4) active principles such as the acid in recyclable solution, alkali, alcohol, realize recycling for resource.
5) device structure brief introduction is compact, and floor space is small, and low energy consumption.
6) it is easy to operate, it can be achieved that automated job, stability is good, easy to maintain.
Reverse osmosis membrane, be under the action of higher than solution osmotic pressure, according to other substances cannot penetrate semi-permeable membrane and by this
A little substances and water separate.The membrane aperture of reverse osmosis membrane is very small, therefore can effectively remove dissolved salts, the glue in water removal
Body, microorganism, organic matter etc..System has many advantages, such as that water quality is good, energy consumption is low, pollution-free, simple for process, easy to operate.
A kind of hollow fiber film assembly in membrane chemical reactor that the utility model embodiment provides, it is multiple hollow
Fiber film component splicing, which is built in housing, forms filter device, as shown in Fig. 2, the component includes：Putamina 1, film wire distribution
Plate 2, filler and Duo Gen hollow fiber film threads 3；
Wherein, as shown in figure 3, the film wire distribution grid 2 is in the plate knot with the through hole 21 for wearing plate body plate face
Structure, the plate body include plate face and plate side wall；
As shown in figure 4, the putamina 1 is in shell structure, which includes bottom face and the side along bottom face
The side wall that edge extends to first direction, the first direction are the axis direction of bottom face；
The bottom face of the shell structure is equipped with through-hole, along the outer surface of bottom face, from the edge of the through-hole to institute
The radially outwardly extending stretching annular convex edge of through-hole is stated, forms inlet 4, the edge of the through-hole is the outer surface phase of through-hole and bottom face
The edge formed after passing through；
Film wire distribution grid 2 is set to inside the putamina 1, the side of the plate side wall of the film wire distribution grid 2 and the putamina 1
The inner surface fitting of wall is affixed, and between the bottom face of the plate face putamina 1 opposite with the plate face of the film wire distribution grid 2
Space is reserved with, the more hollow fiber film threads 3 correspond respectively to be placed in the through hole 21 of the film wire distribution grid 2,
And the port of each described 3 one end of hollow fiber film thread is concordant with the first plate face, the port closed of the other end；The film wire distribution
The through hole of plate 2 and the gap across the hollow fiber film thread 3 in the hole are equipped with the filler, and the filler is used
In preventing the water exudation for being reserved with and collecting in space, first plate face is the bottom end of film wire distribution grid 2 and the putamina 1
The opposite plate face of the inner surface in face.
Wherein, the hollow fiber film thread 3 is outer image threadiness, and in hollow structure, has the film of self-supporting effect.
The more hollow fiber film threads 3 and the annular convex edge be mutually back to.
It should be noted that the annular in annular convex edge can be understood as form closing ring, the ring can be polygon,
Round or ellipse, i.e., annular convex edge can be understood as the convex edge that cross section is formed by the closed loop that rectangle is formed.
Description on to putamina 1 is it is found that putamina 1 can be understood as an annular groove, then for annular groove, putamina
1 bottom face divides the inner surface and the outer surface, as shown in Figure 4.The shape of the annular groove can be rectangular slot, square slot
Or circular trough etc., the utility model embodiment are not intended to limit annular groove shape.
Since the technology of NF membrane is not mature enough, based on the above-mentioned description to microfiltration membranes, the hollow fiber film thread 3
Can be hollow fiber film yarn or hollow fiber microfiltration membrane silk, but due to microfiltration membranes for pollutant tolerance level far more than
Ultrafiltration membrane has not needed to the pretreating process such as media filtration.Therefore, process flow can greatly be shortened.Meanwhile MCR systems are with filling
Standby to realize higher integrated level and better operability, hollow fiber film thread 3 selects hollow fiber microfiltration membrane silk best.
Since the epoxy resin after curing has good physics, chemical property, its table to metal and nonmetallic materials
Face has excellent adhesive strength, and dielectric properties are good, and deformation retract rate is small, and product size stability is good, and hardness is high, flexibility
Preferably, to alkali and most of solvent-stable, thus it is widely used in bonding agent, therefore the material of above-mentioned filler can choose ring
Oxygen resin.
Membrane module inlet distribution schematic diagram as shown by the arrows in figure 2, containing high rigidity, high alkalinity, high molten silicon, high organic matter,
After the complicated raw water of the pollutants such as high suspended matter is by pretreatment, enters from hollow fiber microfiltration membrane silk outer surface, then pass through
Bore filter on hollow fiber microfiltration membrane silk outer surface is flowed in hollow fiber microfiltration membrane endoporus, and the pollutant in raw water is cut
It stays in hollow fiber microfiltration membrane outer surface, water collects in above-mentioned reserved in water, that is, endoporus after the filtering of hollow fiber microfiltration membrane silk
Space in, then with water plug from inlet 4 according in Fig. 2 arrow direction extract out.
After a certain time of operation, the particle or suspended matter being trapped are in hollow fiber microfiltration membrane silk for hollow fiber film assembly
One layer of filter cake is formed on outer surface, needs to rinse out the filter cake on hollow fiber microfiltration membrane silk outer surface by backwash.
Fluorine-containing material preparation, 3 table of hollow fiber film thread of the material preparation may be used in the material of hollow fiber film thread 3
Face has splendid non-stick and very small friction coefficient, and because the Single port of hollow fiber film thread 3 has completely enclosed, the end
Mouth can reach closed state, and 3 lower end of hollow fiber film thread is loose condition (of surface) by fusing bonding.Therefore in backwash, in
The filter cake formed on 3 outer surface of hollow fiber film wire by suspended particle 5 is easy to be rinsed, and hollow fiber film thread 3 will not
The phenomenon that generating blocking and bottom accumulation, easily clears up.
As shown in figure 3, film wire distribution grid 2 is equipped with the through hole 21 of interval hollow fiber film thread 3, hollow fiber film thread 3
One-to-one correspondence is placed in the through hole on film wire distribution grid 2, and the port of each described 3 one end of hollow fiber film thread and the first plate
Face is concordant, the port closed of the other end；Through hole 21 is evenly distributed on film wire distribution grid 2, can effectively control hollow fibre
The gap between film wire 3 is tieed up, the gap between hollow fiber film thread 3 can be according to the pending water quality of stoste, hollow-fibre membrane
3 diameters of silk, loading density and membrane module are adjusted and are optimized using pressure, so as to reach 3 surface of control hollow fiber film thread
The purpose of water velocity, and then efficiently control the formation of 3 surface filter cake of hollow fiber film thread.
As shown in figure 4, putamina 1 and a kind of fixed connection mode of film wire distribution grid 2 are：The side wall of putamina 1 can be for section
The hollow-core construction of convex, wherein, the end face of the film wire distribution grid 2 and the level in the inner surface of the side wall of the putamina 1
Surface fitting is affixed, and the plate side wall of the film wire distribution grid 2 is bonded with the vertical surface in the inner surface of the side wall of the putamina 1
It is affixed, and the vertical surface is apart from farthest vertical surface, the connection side in the inner surface of 1 side wall of putamina with annular convex edge
Formula since the face that putamina 1 is bonded with film wire distribution grid 2 is more, the connection mode both make it is affixed more securely.
Wherein, a diameter of 1 millimeter~10 millimeters of the through hole of the film wire distribution grid 2, the diameter of the through hole compared with
It is good to choose 3 millimeters~6 millimeters.
The spacing of the through hole of the film wire distribution grid 2 is 1 millimeter~8 millimeters, and the spacing of the through hole preferably chooses 2
Millimeter~5 millimeters.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is described using relevant mode, identical similar portion between each embodiment
Point just to refer each other, and the highlights of each of the examples are difference from other examples.Especially for system reality
For applying example, since it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model
It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principles of the present invention, are all contained in this reality
With in novel protection domain.
Claims (10)
1. a kind of hollow fiber film assembly in membrane chemical reactor, which is characterized in that the component includes：Putamina (1),
Film wire distribution grid (2), filler and Duo Gen hollow fiber film threads (3)；
Wherein, the film wire distribution grid (2) is in the platy structure with the through hole (21) for penetrating plate body plate face, the plate body packet
Rubbing board face and plate side wall；
The putamina (1) in shell structure, the shell structure include bottom face and along bottom face edge to first direction
The side wall of extension, the first direction are the axis direction of bottom face；
The bottom face of the shell structure is equipped with through-hole, along the outer surface (12) of bottom face, from the edge of the through-hole to institute
The radially outwardly extending stretching annular convex edge of through-hole is stated, forms inlet (4), the edge of the through-hole is the outer surface of through-hole and bottom face
(12) edge formed after mutually passing through；
Film wire distribution grid (2) is set to the putamina (1) inside, plate side wall and the putamina (1) of the film wire distribution grid (2)
Side wall inner surface fitting it is affixed, and the bottom of the plate face putamina (1) opposite with the plate face of the film wire distribution grid (2)
Space is reserved between end face, the more hollow fiber film threads (3) correspond respectively is placed in the film wire distribution grid (2)
In through hole (21), and the port of each described hollow fiber film thread (3) one end is concordant with the first plate face, the port envelope of the other end
It closes；The through hole of the film wire distribution grid (2) and the gap across the hollow fiber film thread (3) in the hole are equipped with described
Filler, the filler are used to prevent the water exudation for being reserved with and assembling in space, and first plate face is distributed for film wire
Plate (2) plate face opposite with the inner surface of the bottom face of the putamina (1).
2. component as described in claim 1, which is characterized in that the hollow fiber film thread (3) is hollow fiber film yarn
Or hollow fiber microfiltration membrane silk.
3. component as described in claim 1, which is characterized in that a diameter of 1 millimeter~10 millimeters of the through hole (21).
4. component as claimed in claim 3, which is characterized in that a diameter of 3 millimeters~6 millimeters of the through hole (21).
5. component as described in claim 1, which is characterized in that the spacing of the through hole (21) is 1 millimeter~8 millimeters.
6. component as claimed in claim 5, which is characterized in that the spacing of the through hole (21) is 2 millimeters~5 millimeters.
7. component as described in claim 1, which is characterized in that the quantity of the inlet (4) is one or two.
8. component as described in claim 1, which is characterized in that the material of the hollow fiber film thread (3) is fluorine material.
9. component as described in claim 1, which is characterized in that the port of the other end reaches closed by fusing bonding
State.
10. component as described in claim 1, which is characterized in that the material of the filler is epoxy resin.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107715697A (en) * | 2017-11-06 | 2018-02-23 | 博天环境集团股份有限公司 | A kind of hollow fiber film assembly being used in membrane chemical reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107715697A (en) * | 2017-11-06 | 2018-02-23 | 博天环境集团股份有限公司 | A kind of hollow fiber film assembly being used in membrane chemical reactor |
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