CN209501379U - Plate film assembly and membrane bioreactor - Google Patents
Plate film assembly and membrane bioreactor Download PDFInfo
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- CN209501379U CN209501379U CN201822177625.1U CN201822177625U CN209501379U CN 209501379 U CN209501379 U CN 209501379U CN 201822177625 U CN201822177625 U CN 201822177625U CN 209501379 U CN209501379 U CN 209501379U
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- plate
- membrane
- cleaning
- film assembly
- assembly
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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
The utility model discloses a kind of plate film assembly and membrane bioreactor, which includes: flat membrane component and cleaning assembly；Wherein, flat membrane component includes the support plate of plate membrane and fixed support plate membrane；Cleaning assembly includes that can shake under aeration effect to clean the cleaning part of plate membrane, and cleaning part is arranged between two adjacent flat membrane components.Above-mentioned plate film assembly passes through setting cleaning assembly, the cleaning part of cleaning assembly is between two adjacent flat membrane components, the cleaning part shakes under aeration effect, CONTACT WITH FRICTION occurs in the plate membrane for shaking Cleaning Process part and flat membrane component, the pollutant that plate membrane and cleaning parts surface are adsorbed is eliminated by the effect that physics is cleaned, to achieve the purpose that clean plate membrane.Therefore, above-mentioned plate film assembly cleans plate membrane using shaking of the cleaning part under aeration effect, only leans on aeration effect cleaning plate membrane to compare compared with the prior art, effectively increases cleaning effect.
Description
Technical field
The utility model relates to water-treatment technology fields, more specifically to a kind of plate film assembly and membrane bioreaction
Answer device.
Background technique
Membrane bioreactor is a kind of novel wastewater treatment system combined using membrane separation technique with biologic treating technique
System, is widely used with the advantages that its occupied area small and stable effluent quality.
In membrane bioreactor, plate film assembly needs to be submerged into activated sludge, is born in use by plate membrane
The reason of pressure suction, plate film surface are easier to contaminated object blocking, water yield are caused to decline, and influence working efficiency and system operation
Stability.
Currently, cleaning plate membrane by increasing aeration tube in the bottom of plate film assembly.Specifically, aeration tube is to plate
Air is blasted in membrane module, and in increasing aerobic tank while oxygen content, the dirt of plate film surface is washed away by air foam
Contaminate object.
But just when the contact force between air foam and plate membrane is greater than the active force between pollutant and plate membrane
It can remove pollutant, and the pollutant of plate film surface is that cake layer is formed by due to negative-pressure ward, leads to pollutant and puts down
Active force between plate film is larger, and the only fraction pollutant that air foam can remove, i.e., air foam is for pollutant
Removal ability is relatively small, causes cleaning effect poor.
In addition, the content needs of air foam control, when the content of air foam is larger, plate film surface is rushed
Brushing effects enhancing, still, less into the solution in the gap between plate membrane, the negative-pressure ward of plate membrane can be by air foam
It is extracted into and produces water side, cause the water yield of plate film assembly less.
It is that current those skilled in the art are urgently to be resolved to improve cleaning effect in conclusion how to clean plate membrane
Problem.
Utility model content
The purpose of the utility model is to provide a kind of plate film assemblies, can clean plate membrane, to improve cleaning effect.This
The another object of utility model is to provide a kind of membrane bioreactor with above-mentioned plate film assembly.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of plate film assembly, comprising: flat membrane component and cleaning assembly；Wherein, the flat membrane component includes plate
Film and the fixed support plate for supporting the plate membrane；The cleaning assembly cleans described including that can shake under aeration effect
The cleaning part of plate membrane, the cleaning part are arranged between two adjacent flat membrane components.
Preferably, the cleaning part is hollow-fibre membrane, and one end of the hollow-fibre membrane is closed end, the hollow fibre
The one end for tieing up film is open end.
Preferably, the cleaning assembly further includes the guiding gutter for being provided with water guide faucet, and the hollow-fibre membrane is fixed on institute
It states in guiding gutter, and the open end of the hollow-fibre membrane is connected to the guiding gutter.
Preferably, the cleaning assembly further includes the fixed plate for being provided with fixation hole, and the hollow-fibre membrane is plugged in institute
It states in fixation hole, the fixed plate is fixed in the guiding gutter.
Preferably, the cleaning part is linear bristle.
Preferably, the spacing of two adjacent support plates is 7.5mm-8.5mm.
Preferably, it is fixedly linked between two adjacent support plates by tenon structure.
Preferably, the installation site of the flat membrane component is higher than the installation site of the cleaning assembly.
Preferably, the plate film assembly further includes film frame, and the mold framework, which is provided with, is used to support the plate membrane
First supporting table of element, and it is used to support the second supporting table of the cleaning assembly；Wherein, first supporting table is higher than
Second supporting table.
Based on the plate film assembly of above-mentioned offer, the utility model additionally provides a kind of membrane bioreactor, film biology
Reactor includes: plate film assembly, is set to the aerator of the plate film assembly bottom；Wherein, the plate film assembly
For plate film assembly described in any of the above embodiments.
Plate film assembly provided by the utility model, by the way that cleaning assembly is arranged, the cleaning part of cleaning assembly is located at adjacent
Two flat membrane components between, which shakes under aeration effect, is shaking Cleaning Process part and flat membrane component
Plate membrane CONTACT WITH FRICTION occurs, the pollutant that plate membrane and cleaning parts surface are adsorbed is disappeared by the effect that physics is cleaned
It removes, to achieve the purpose that clean plate membrane.Therefore, plate film assembly provided by the utility model is being aerated using cleaning part
Plate membrane is cleaned in shaking under effect, and aeration effect cleaning plate membrane is only leaned on to compare compared with the prior art, effectively increases cleaning effect
Fruit.
Detailed description of the invention
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, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the perspective view of membrane bioreactor provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of membrane bioreactor provided by the embodiment of the utility model；
Fig. 3 is the sectional view along A-A of Fig. 2；
Fig. 4 is the enlarged diagram of part B in Fig. 3；
Fig. 5 is the structural schematic diagram of film frame in membrane bioreactor provided by the embodiment of the utility model；
Fig. 6 is the C-C of Fig. 5 to cross-sectional view；
Fig. 7 is the structural schematic diagram of cleaning assembly in membrane bioreactor provided by the embodiment of the utility model；
Fig. 8 is the D-D of Fig. 7 to cross-sectional view；
Fig. 9 is the enlarged diagram of the part E in Fig. 8；
Figure 10 is structural schematic diagram when membrane bioreactor provided by the embodiment of the utility model is run；
Figure 11 is the enlarged diagram of the part F in Figure 10；
Figure 12 is the enlarged diagram of the part G in Figure 10；
Figure 13 is the main view of support plate in membrane bioreactor provided by the embodiment of the utility model；
Figure 14 is the top view of support plate in membrane bioreactor provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, 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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As represented in figures 1 through 14, plate film assembly provided by the embodiment of the utility model includes: flat membrane component 13 and cleaning
Component 12；Wherein, flat membrane component 13 includes the support plate 131 of plate membrane and fixed support plate membrane；Cleaning assembly 12 includes
It can be shaken under aeration effect to clean the cleaning part 121 of plate membrane, two adjacent flat membranes are arranged in cleaning part 121
Between part 13.
It is understood that cleaning part 121 is arranged between two adjacent flat membrane components 13, i.e., adjacent two flat
Cleaning part 121 is between two adjacent plate membranes between plate membrane component 13.
Plate film assembly provided by the embodiment of the utility model, by the way that cleaning assembly 12, the cleaning of cleaning assembly 12 is arranged
Part 121 is between two adjacent flat membrane components 13, which shakes under aeration effect, such as Figure 10-12 institute
Show, CONTACT WITH FRICTION occurs for the plate membrane of cleaning part 121 and flat membrane component 13 during the swing, by plate membrane and cleaning part
The pollutant of 121 adsorptions is eliminated by the effect that physics is cleaned, to achieve the purpose that clean plate membrane.Therefore, on
Plate film assembly is stated, plate membrane is cleaned using shaking of the cleaning part 121 under aeration effect, only leans on aeration effect compared with the prior art
Cleaning plate membrane is compared, and cleaning effect is effectively increased.
In above-mentioned plate film assembly, for the material and shape of cleaning part 121, selected according to actual needs.In order to
Increase membrane area, improves water yield and filter efficiency, preferentially selecting above-mentioned cleaning part 121 is hollow-fibre membrane.The doughnut
The both ends of film all have port, and in order to guarantee that hollow-fibre membrane normally produces water, one end of above-mentioned hollow-fibre membrane is closed end, institute
The one end for stating hollow-fibre membrane is open end.For the ease of water purification flowing, preferentially select the bottom end of hollow-fibre membrane for open end,
The top of hollow-fibre membrane is closed end, and such water purification can be discharged under self gravitation effect.
It is understood that sewage is filtered after hollow-fibre membrane, so that mutually deserved increase whole membrane area.It is hollow
The top of tunica fibrosa refers to the one end of hollow-fibre membrane far from aerator 2；The bottom end of hollow-fibre membrane, refers to doughnut
Film is close to one end of aerator 2.
The top of above-mentioned hollow-fibre membrane uses polyurethane adhesive water-stop, forms closed end.Certainly, its other party also may be selected
Formula realizes the modes such as sealing, such as binding, it is not limited to this.
Sewage enters the inside of hollow-fibre membrane through the outside of hollow-fibre membrane, and realization is filtered, filtered water purification warp
The internal channel of hollow-fibre membrane is discharged.It is as Figure 7-9, above-mentioned for the ease of collecting through the filtered water purification of hollow-fibre membrane
Cleaning assembly 12 further includes the guiding gutter 122 for being provided with water guide faucet 1221, and hollow-fibre membrane is fixed in guiding gutter 122, and in
The open end of empty fiber membrane is connected to guiding gutter 122.
It is understood that the open end of hollow-fibre membrane is located in guiding gutter 122.It is filtered net through hollow-fibre membrane
Water enters in guiding gutter 122, is then discharged through water guide faucet 1221.
For the ease of water guide, one end of guiding gutter 122 is arranged in above-mentioned water guide faucet 1221.
For the ease of installing cleaning part 121, above-mentioned cleaning assembly 12 further includes the fixed plate 123 for being provided with fixation hole, clearly
It washes part 121 to be plugged in fixation hole, fixed plate 123 is fixed in guiding gutter 122.
Specifically, cleaning part 121 and fixed plate 123 are plugged and fixed first, i.e., cleaning part 121 are inserted into fixation hole；
Then by after combination cleaning part 121 and fixed plate 123 be placed in guiding gutter 122, polyurethane glue is poured into guiding gutter 122
Solidify cleaning part 121 and fixed plate 123.Certainly, other modes also may be selected, be fixedly connected with guiding gutter 122 and fixed plate 123,
It is not limited thereto.
In above-mentioned plate film assembly, in the case where not considering to increase membrane area, it is other materials that cleaning part 121, which also may be selected,
Material, for example, cleaning part 121 is linear bristle or other fiber filaments etc., it is not limited to above-described embodiment.
In above-mentioned plate film assembly, there are gap, water inlet of the gap as activated sludge in membrane cisterna between support plate 131
Runner, if the width in gap is excessive, the membrane area of plate film assembly is reduced, the work efficiency drop of plate film assembly；Such as
The width in fruit gap is too small, then will appear activated sludge occur between support plate 131 it is dirty stifled (mainly due to activated sludge into
Water flow is driven by the aeration of plate film assembly bottom, and when aeration quantity is constant, narrow gap causes inflow to decline, if
If the water yield of membrane module is stablized, then it will appear the concentration of activated sludge, activated sludge is adhered to the surface of plate membrane, reaches
After to a certain degree, there is the whole dirty stifled of plate membrane).
In above-mentioned plate film assembly, it is additionally arranged cleaning part 121 between plate membrane, then should suitably increase support plate 131
Spacing.Preferably, the spacing of two adjacent support plates 131 is 7.5mm-8.5mm.
In the prior art, the spacing of two adjacent support plates 131 is 7mm.In the present embodiment, it is deposited between support plate 131
In cleaning part 121, when the cleaning part 121 is hollow-fibre membrane, the outer diameter of hollow-fibre membrane is 2.3mm, hollow-fibre membrane
Quantity is 100, then the area that hollow-fibre membrane accounts for is 415mm2, equivalent width is about 0.865mm.In view of doughnut
For film to the boundary effect of fluid, preferentially selecting the spacing of two adjacent support plates 131 is 8mm or so.Further, adjacent
The spacing of two support plates 131 is 8mm.
Certainly, in actual application, the spacing for also selecting two neighboring support plate 131 according to specific needs is it
His numerical value, it is not limited to this.
For the ease of guaranteeing the spacing of two neighboring support plate 131, in above-mentioned plate film assembly, two adjacent support plates
It is fixedly linked between 131 by tenon structure.Specifically, as shown in figure 13, the side of support plate 131 is provided with fixed mortise
1311, the other side of support plate 131 is provided with the fixation tenon mating for the fixation mortise 1311 with adjacent shore plates 131
First 1312.
In above-mentioned plate film assembly, multiple support plates 131 can be combined into overall structure, protect under the support of film frame 11
The structure of jam-packed is held, and keeps the constant spacing between support plate 131.
In assembling, it is only necessary to mutually stack flat membrane component 13 along the longitudinal direction, fixed tenon 1312 can be embedded in
In the fixation mortise 1311 of adjacent shore plates 131, so as to limit the left and right relative displacement of adjacent panels membrane component 13, Tenon
Structure makes entire component firm stable, and opposite jump will not occur in use for adjacent panels membrane component 13；It can also prevent
Only gas is escaped from 13 two sides of flat membrane component.
Above-mentioned fixed mortise 1311 is the groove structure of strip, so set, due to using open groove knot
Structure, fixed tenon 1312 can be embedded in fixed mortise 1311 from front and back, upper and lower both direction, therefore, not only can be by preceding
The mode pushed afterwards installs support plate 131, but also support plate 131 can be installed by way of inserting up and down.
As shown in figure 14, above-mentioned support plate 131 is equipped with sealing wire 1315.It is understood that plate membrane and sealing wire
1315 connections, and be fixed by fixed form.
As shown in figure 14, above-mentioned support plate 131 is provided with water guide groove 1313, and leads with what water guide groove 1313 was connected to
The mouth of a river 1314.Water purification through plate membrane flows into water guide mouth 1314 by water guide groove 1313, by being connected to water guide mouth 1314
Pipeline and pump draw go, reprocessed or discharged.
In application process, activated sludge enters between flat membrane component 13 above-mentioned plate film assembly under the action of aeration
Gap in.When above-mentioned plate film assembly be arranged cleaning assembly 12 after, for the ease of activated sludge enter flat membrane component 13 it
Between gap in, the installation site of above-mentioned flat membrane component 13 is higher than the installation site of cleaning assembly 12.
Preferably, above-mentioned plate film assembly further includes film frame 11, and above-mentioned flat membrane component 13 and cleaning assembly 12 are solid
Due to film frame 11.
For the ease of determining the installation site of flat membrane component 13 and cleaning assembly 12, as Figure 4-Figure 6, above-mentioned mold framework
11 are provided with the first supporting table 111 for being used to support flat membrane component 13, and are used to support the second support of cleaning assembly 12
Platform 112；Wherein, the first supporting table 111 is higher than the second supporting table 112.
Above structure also facilitates cleaning assembly convenient for the difference in height between control cleaning assembly 12 and flat membrane component 13
12 and flat membrane component 13 installation.
In order to facilitate fixation, above-mentioned cleaning assembly 12 is fixed on the second supporting table 112 of film frame 11 by self-tapping screw
On.Specifically, when above-mentioned cleaning assembly 12 includes guiding gutter 122, above-mentioned guiding gutter 122 is fixed on second of film frame 11
It supports on platform 112.Certainly, other also may be selected and fixes cleaning assembly 12, such as clamping etc., it is not limited to this.
The difference in height of the installation site of installation site and cleaning assembly 12 for flat membrane component 13, according to actual needs
It is designed.Specifically, when above-mentioned cleaning assembly 12 includes guiding gutter 122, the top of guiding gutter 122 and flat membrane component
The distance between 13 are greater than 8mm.Further, the distance between top and the flat membrane component 13 of guiding gutter 122 are preferentially selected
For 50mm.
The plate film assembly provided based on the above embodiment, the utility model embodiment additionally provide a kind of membrane biological reaction
Device is set to the aerator of 1 bottom of plate film assembly as shown in Figure 1-3, the membrane bioreactor includes: plate film assembly 1
2；Wherein, plate film assembly 1 is plate film assembly described in above-described embodiment.
In above-mentioned membrane bioreactor, gas caused by aerator 2 enters in above-mentioned plate film assembly 1, specifically,
Gas caused by aerator 2 enters between two adjacent flat membrane components 13.
The aeration tube 22 that above-mentioned aerator 2 specifically includes that aeration frame 21 and is set on aeration frame 21.For aeration
The specific structure of frame 21 and aeration tube 22, is designed according to actual needs, and the utility model embodiment does not limit this.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (10)
1. a kind of plate film assembly characterized by comprising flat membrane component (13) and cleaning assembly (12)；Wherein, described flat
Plate membrane component (13) includes plate membrane and the fixed support plate (131) for supporting the plate membrane；The cleaning assembly (12) includes
It can be shaken under aeration effect to clean the cleaning part (121) of the plate membrane, the cleaning part (121) is arranged in adjacent
Between two flat membrane components (13).
2. plate film assembly according to claim 1, which is characterized in that the cleaning part (121) is hollow-fibre membrane, institute
The one end for stating hollow-fibre membrane is closed end, and one end of the hollow-fibre membrane is open end.
3. plate film assembly according to claim 2, which is characterized in that the cleaning assembly (12) further includes being provided with to lead
The guiding gutter (122) of water nozzle (1221), the hollow-fibre membrane is fixed in the guiding gutter (122), and the doughnut
The open end of film is connected to the guiding gutter (122).
4. plate film assembly according to claim 3, which is characterized in that the cleaning assembly (12) further includes being provided with admittedly
Determine the fixed plate (123) in hole, the hollow-fibre membrane is plugged in the fixation hole, and the fixed plate (123) is fixed on described
In guiding gutter (122).
5. plate film assembly according to claim 1, which is characterized in that the cleaning part (121) is linear bristle.
6. plate film assembly according to claim 1, which is characterized in that between the support plate (131) of adjacent two
Away from for 7.5mm-8.5mm.
7. plate film assembly according to claim 1, which is characterized in that between the support plate (131) of adjacent two
It is fixedly linked by tenon structure.
8. plate film assembly described in any one of -7 according to claim 1, which is characterized in that the flat membrane component (13)
Installation site is higher than the installation site of the cleaning assembly (12).
9. plate film assembly according to claim 8, which is characterized in that further include film frame (11), the film frame
(11) it is provided with the first supporting table (111) for being used to support the flat membrane component (13), and is used to support the cleaning group
The second supporting table (112) of part (12)；Wherein, first supporting table (111) is higher than second supporting table (112).
10. a kind of membrane bioreactor, comprising: plate film assembly (1) is set to the aeration of the plate film assembly (1) bottom
Device (2)；It is characterized in that, the plate film assembly (1) is plate film assembly as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177625.1U CN209501379U (en) | 2018-12-24 | 2018-12-24 | Plate film assembly and membrane bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177625.1U CN209501379U (en) | 2018-12-24 | 2018-12-24 | Plate film assembly and membrane bioreactor |
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| Publication Number | Publication Date |
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| CN209501379U true CN209501379U (en) | 2019-10-18 |
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| CN201822177625.1U Active CN209501379U (en) | 2018-12-24 | 2018-12-24 | Plate film assembly and membrane bioreactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364762A (en) * | 2018-12-24 | 2019-02-22 | 中科瑞阳膜技术（北京）有限公司 | Plate film assembly and membrane bioreactor |
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2018
- 2018-12-24 CN CN201822177625.1U patent/CN209501379U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364762A (en) * | 2018-12-24 | 2019-02-22 | 中科瑞阳膜技术（北京）有限公司 | Plate film assembly and membrane bioreactor |
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