CN114644395A - Combined MBR membrane structure for sewage treatment - Google Patents
Combined MBR membrane structure for sewage treatment Download PDFInfo
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- CN114644395A CN114644395A CN202210226979.9A CN202210226979A CN114644395A CN 114644395 A CN114644395 A CN 114644395A CN 202210226979 A CN202210226979 A CN 202210226979A CN 114644395 A CN114644395 A CN 114644395A
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- aeration
- membrane structure
- mbr membrane
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- shell
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
- B01D63/12—Spiral-wound membrane modules comprising multiple spiral-wound assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a combined MBR membrane structure for sewage treatment, which comprises an upper aeration shell, a lower aeration shell, at least one rolled MBR membrane structure which is detachably arranged between the two aeration shells, and an aeration system which is communicated with the two aeration shells; roll up formula MBR membrane structure includes fixed strip, membrane fibre and aeration strip, membrane fibre evenly distributed becomes one row and both ends are got fixedly by fixed strip and aeration strip clamp, obtain banded MBR membrane structure, banded MBR membrane structure obtains roll formula MBR membrane structure along the winding of fixed strip length direction, and aeration strip after the winding is through aeration shell and aeration system intercommunication. According to the combined MBR membrane structure, the roll type MBR membrane structure and the aeration shell are combined into a whole and correspond to each other, and the aeration shell is connected with the aeration system, so that the combined MBR membrane structure which has the purification function of the MBR membrane and the aeration self-cleaning function can be obtained, the combined MBR membrane structure does not need to be installed in two steps, and the combined MBR membrane structure is simple in structure, convenient to assemble and disassemble, economical and practical.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a combined MBR membrane structure for sewage treatment.
Background
The MBR (membrane bioreactor) process is a novel water treatment technology combining an activated sludge process and a membrane separation technology. The membrane may be flat, tubular, spiral, hollow fiber, etc. depending on the structure of the membrane. The flat membrane or hollow fiber membrane component needs aeration at the bottom of the membrane component in the operation process. The membrane component aeration system is an effective means for controlling membrane pollution besides the basic function of supplying oxygen to microorganisms in the biological reaction tank. The gas-liquid two-phase flow generated by aeration at the lower part of the membrane component is used for scouring the surface of the membrane, so that the sludge adsorbed on the surface of the membrane filaments can be continuously removed, and the normal operation of the MBR membrane system is ensured.
When the existing membrane component and the aeration system are installed, the membrane component and the aeration system need to correspond to each other to ensure the cleaning of the membrane component, so that the installation difficulty is increased, and the time and the labor are consumed when the two-step installation is carried out.
Disclosure of Invention
The invention aims to solve the problems and provide a combined MBR membrane structure for sewage treatment.
The invention realizes the purpose through the following technical scheme:
a combined MBR membrane structure for sewage treatment comprises an upper aeration shell, a lower aeration shell, at least one rolled MBR membrane structure which is detachably arranged between the two aeration shells, and an aeration system which is communicated with the two aeration shells;
roll up formula MBR membrane structure includes fixed strip, membrane fibre and aeration strip, membrane fibre evenly distributed becomes one row and both ends are got fixedly by fixed strip and aeration strip clamp, obtain banded MBR membrane structure, banded MBR membrane structure obtains roll formula MBR membrane structure along the winding of fixed strip length direction, and aeration strip after the winding is through aeration shell and aeration system intercommunication.
As a further preferred development of the invention, the fastening strip is made of a rubber material.
As a further optimized scheme of the invention, the inner cavity of the fixing strip is arranged in a hollow manner, an inflation inlet is arranged on the fixing strip, and a sealing plug is clamped at the inflation inlet.
As a further optimized scheme of the invention, the aeration strip is made of a rubber membrane, and the surface of one side of the aeration strip, which is far away from the fixing strip, is provided with a convex arch.
As a further optimization scheme of the invention, a clamping groove communicated with the inner cavity of the aeration shell is formed on the surface of the aeration shell close to the spiral wound MBR membrane structure, and the inner cavity of the aeration shell is connected with an aeration system through a pipeline.
As a further optimization scheme of the invention, a screen plate is arranged at the bottom of the clamping groove, the screen plate is fixedly connected with the inner wall of the aeration shell, and a sealing ring is arranged on the groove wall of the clamping groove.
As a further optimized scheme of the invention, the upper aeration shell and the lower aeration shell are connected through a support rod, and the support rod is inserted into a jack arranged on the end surface of the aeration shell and is detachably connected with the outer side wall of the aeration shell through a screw.
As a further optimization scheme of the invention, a fixing frame is movably clamped in the clamping groove, the end face of the fixing frame close to the bottom of the clamping groove is attached to the end face of one side of the wound fixing strip, the other end of the fixing frame extends to the outer edge of the clamping groove and is provided with a through hole in a penetrating manner, and the supporting rod penetrates through the through hole and is movably sleeved with the fixing frame.
As a further optimization scheme of the invention, the outer walls of the two ends of the supporting rod are respectively provided with a screw thread, the screw thread is connected with a nut, and the fixing frame and the aeration shell are fixedly connected through the supporting rod and the nut.
As a further optimization scheme of the invention, the strip-shaped MBR membrane structure is wound along the length direction of the fixing strip and then is adhered and fixed by the magic tape to obtain the roll-type MBR membrane structure.
The invention has the beneficial effects that:
1) the combined MBR membrane structure which not only has the purification function of the MBR membrane, but also has the aeration self-cleaning function can be obtained by bonding the fixing strip, the membrane fiber and the aeration strip into a strip-shaped MBR membrane structure, winding to obtain a rolled MBR membrane structure, and finally inserting the rolled MBR membrane structure into an aeration shell connected with an aeration system;
2) according to the invention, the rubber air bag is used as the fixing strip, gaps generated by winding of the roll-type MBR membrane structure can be filled, and gaps generated during installation of the roll-type MBR membrane structure can also be filled, so that the installation stability is ensured, and the installation and the disassembly of the roll-type MBR membrane structure are convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic view of the structure of part a in fig. 2 according to the present invention.
Fig. 4 is a schematic diagram of a banded MBR membrane structure of the present invention.
FIG. 5 is a schematic sectional view of the structure of a band-shaped MBR membrane in example 1 of the present invention.
FIG. 6 is a schematic sectional view of the structure of a band-shaped MBR membrane in example 2 of the present invention.
In the figure: 1. an aeration shell; 2. roll-type MBR membrane structure; 21. a fixing strip; 22. membrane fibers; 23. an aeration strip; 3. an aeration system; 4. an inflation inlet; 5. a card slot; 6. a screen plate; 7. a seal ring; 8. a support bar; 9. a jack; 10. a screw; 11. a fixing frame; 12. perforating; 13. a nut; 14. magic tape.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; in the description of the present invention, the meaning of "plurality" or "a plurality" is two or more unless otherwise specified.
Example 1
As shown in fig. 1 to 5, a combined MBR membrane structure for sewage treatment comprises an upper aeration shell and a lower aeration shell 1, at least one rolled MBR membrane structure 2 detachably installed between the two aeration shells 1, and an aeration system 3 communicated with the two aeration shells 1.
Roll up formula MBR membrane structure 2 and include fixed strip 21, membrane fiber 22 and aeration strip 23, membrane fiber 22 evenly distributed becomes one row and both ends are got fixedly by fixed strip 21 and aeration strip 23 clamp, obtain banded MBR membrane structure, banded MBR membrane structure obtains roll formula MBR membrane structure 2 along the winding of fixed strip 21 length direction, and aeration strip 23 after the winding communicates with aeration system 3 through aeration shell 1, and aeration system 3 is the air transmission pipeline that the air-blower reaches and be connected with aeration shell 1, after the winding of fixed strip 21 length direction is followed to banded MBR membrane structure, paste 14 bonding fixes through the magic and obtain roll formula MBR membrane structure 2.
A clamping groove 5 communicated with the inner cavity of the aeration shell 1 is formed in the surface of the aeration shell 1, which is close to the spiral MBR membrane structure 2, and the inner cavity of the aeration shell 1 is connected with an aeration system 3 through a pipeline;
a screen 6 is arranged at the bottom of the clamping groove 5, the screen 6 is fixedly connected with the inner wall of the aeration shell 1, and a sealing ring 7 is arranged on the wall of the clamping groove 5;
the upper aeration shell 1 and the lower aeration shell 1 are connected through a support rod 8, and the support rod 8 is inserted into a jack 9 arranged on the end face of the aeration shell 1 and is detachably connected with the outer side wall of the aeration shell 1 through a screw 10;
a fixed frame 11 is movably clamped in the clamping groove 5, the end face of the fixed frame 11 close to the bottom of the clamping groove 5 is attached to the end face of one side of the wound fixed strip 21, the other end of the fixed frame 11 extends to the outer edge of the clamping groove 5 and is provided with a through hole 12 in a penetrating manner, and the support rod 8 penetrates through the through hole 12 and is movably sleeved with the fixed frame 11;
the outer wall of 8 both ends of bracing piece all is provided with to the screw thread, screw thread department threaded connection has nut 13, through bracing piece 8 and nut 13 fixed connection between fixed frame 11 and the aeration shell 1.
It should be noted that, when the single roll-type MBR membrane structure 2 is assembled, firstly, glue is applied to one side surface of the upper and lower fixing strips 21, then a plurality of membrane fibers 22 are arranged and bonded between the two fixing strips 21, the degree of rarity can be adjusted according to actual needs, and finally, the aeration strip 23 is attached to the fixing strip 21, so that the membrane fibers 22 are bonded and fixed between the fixing strip 21 and the aeration strip 23, and a strip-shaped MBR membrane structure is obtained; in addition, glue can be brushed on the bonding surface of the aeration strip 23 for bonding;
according to 5 length of draw-in groove and width, twine banded MBR membrane structure along fixed strip 21 length direction to paste 14 fixed back with the magic and obtain roll formula MBR membrane structure 2, make the roll formula MBR membrane structure 2 that obtains cooperate or slightly less than draw-in groove 5 with draw-in groove 5, can realize the equipment of a roll formula MBR membrane structure 2.
When at least one roll type MBR membrane structure 2 is arranged between an upper aeration shell 1 and a lower aeration shell 1, one end of the roll type MBR membrane structure 2 is clamped into a clamping groove 5 of one aeration shell 1 until the end surface of the roll type MBR membrane structure contacts with a screen plate 6, a support rod 8 and the aeration shell 1 are fixedly arranged through a screw 10, a through hole 12 of a fixed frame 11 is aligned to the support rod 8, the fixed frame 11 penetrates through the support rod 8 and is inserted into the clamping groove 5, and at the moment, a nut 13 is installed, so that the fixed frame 11 is extruded and fixed towards the direction of the aeration shell 1 when the nut 13 and one end of the support rod 8 rotate;
then, a fixing frame 11 is inserted into the supporting rod 8 in the opposite direction, the supporting rod 8 is fixedly connected with the other end of the aeration shell 1, the other end of the rolled MBR membrane structure 2 is inserted into the clamping groove 5, the fixing frame 11 is moved to enable one end of the fixing frame to be inserted into the clamping groove 5 of the aeration shell 1 to fix the rolled MBR membrane structure 2, finally, the nut 13 is screwed down to realize the assembly of the rolled MBR membrane structure 2 and the aeration shell 1, and if a plurality of rolled MBR membrane structures 2 exist, the above actions are repeated to complete the assembly of the combined MBR membrane structure.
When in use, the aeration system 3 delivers gas to the inner cavity of the aeration shell 1, the gas is discharged through the wound aeration strips 23 for aeration, and the aeration bubbles act on the surface of the membrane fiber 22, so that the membrane fiber 22 can be cleaned;
the fixing strip 21 is made of rubber materials, the aeration strip 23 is made of rubber membranes, and the surface of one side, far away from the fixing strip 21, of the aeration strip 23 is provided with a convex arch, so that the roll type MBR membrane structure 2 is tightly matched with the clamping groove 5, and the air leakage phenomenon cannot occur; the convex arch of the elastic aeration strip 23 can also fill the winding gap, so that air leakage is avoided; in addition, the convex arch shape of the aeration strip 23 can increase the aeration area.
When follow-up clearance or change formula of book MBR membrane structure 2, only need swivel nut 13, take off fixed frame 11, tear down screw 10, can demolish formula of book MBR membrane structure 2, loosen magic subsides 14 again and can expand it into the banding, can expand the clearance to membrane fibre 22 this moment, the clearance is high efficiency fast more, if need change, can tear aeration strip 23 and fixed strip 21, trade membrane fibre 22, or change whole formula of book MBR membrane structure 2.
Example 2
As shown in fig. 6, this embodiment is substantially the same as embodiment 1, except that the inner cavity of the fixing strip 21 is hollow, the fixing strip 21 is provided with an inflation inlet 4, and a sealing plug is clamped at the inflation inlet 4.
When the fixing strip 21 is the rubber air bag, the roll-type MBR membrane structure 2 can be inflated into the rubber air bag through the inflation inlet 4 after being arranged in the clamping groove 5, so that the clamping groove 5 gaps, the winding gaps and the like can be filled by the bulging, the gap water leakage is avoided, and the roll-type MBR membrane structure 2 can be tightly connected with the aeration shell 1.
In addition, in order to ensure the connection strength of the roll type MBR membrane structure 2 and the aeration shell 1, glue sealing treatment can be carried out after the roll type MBR membrane structure 2 is clamped into the clamping groove 5.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides a sewage treatment is with combination formula MBR membrane structure which characterized in that: comprises an upper aeration shell and a lower aeration shell (1), at least one roll type MBR membrane structure (2) which is detachably arranged between the two aeration shells (1), and an aeration system (3) which is communicated with the two aeration shells (1);
roll-type MBR membrane structure (2) include fixed strip (21), membrane fiber (22) and aeration strip (23), membrane fiber (22) evenly distributed becomes one row and both ends are got fixedly by fixed strip (21) and aeration strip (23) clamp, obtain banded MBR membrane structure, banded MBR membrane structure obtains roll-type MBR membrane structure (2) along fixed strip (21) length direction winding, and aeration strip (23) after the winding are through aeration shell (1) and aeration system (3) intercommunication.
2. The combined MBR membrane structure for sewage treatment according to claim 1, wherein: the fixing strip (21) is made of rubber material.
3. The combined MBR membrane structure for sewage treatment according to claim 2, wherein: the fixing strip (21) is hollow in the inner cavity, an inflation inlet (4) is arranged on the fixing strip (21), and a sealing plug is clamped at the inflation inlet (4).
4. The combined MBR membrane structure for sewage treatment as set forth in claim 1, wherein: the aeration strip (23) is made of a rubber membrane, and the surface of one side, away from the fixing strip (21), of the aeration strip (23) is in a convex arch shape.
5. The combined MBR membrane structure for sewage treatment according to claim 1, wherein: the aeration shell (1) is close to the surface of the roll type MBR membrane structure (2) and is provided with a clamping groove (5) communicated with the inner cavity of the aeration shell (1), and the inner cavity of the aeration shell (1) is connected with the aeration system (3) through a pipeline.
6. The combined MBR membrane structure for sewage treatment according to claim 5, wherein: the bottom of the clamping groove (5) is provided with a screen (6), the screen (6) is fixedly connected with the inner wall of the aeration shell (1), and a sealing ring (7) is arranged on the groove wall of the clamping groove (5).
7. The combined MBR membrane structure for sewage treatment as set forth in claim 6, wherein: the upper aeration shell and the lower aeration shell (1) are connected through a support rod (8), the support rod (8) is inserted into an insertion hole (9) formed in the end face of the aeration shell (1) and is detachably connected with the outer side wall of the aeration shell (1) through a screw (10).
8. The combined MBR membrane structure for sewage treatment according to claim 7, wherein: activity joint has fixed frame (11) in draw-in groove (5), terminal surface and the laminating of winding fixed strip (21) a side end face that fixed frame (11) are close to draw-in groove (5) tank bottom, fixed frame (11) other end extends to draw-in groove (5) outside edge and runs through and be provided with perforation (12), bracing piece (8) run through perforation (12) and fixed frame (11) activity cup joint.
9. The combined MBR membrane structure for sewage treatment according to claim 8, wherein: the outer wall of two ends of the supporting rod (8) is provided with threads, the threads are connected with nuts (13), and the fixing frame (11) and the aeration shell (1) are fixedly connected through the supporting rod (8) and the nuts (13).
10. The combined MBR membrane structure for sewage treatment according to claim 1, wherein: after the banded MBR membrane structure is wound along the length direction of the fixing strip (21), the coiled MBR membrane structure (2) is obtained by adhering and fixing the Velcro tape (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210226979.9A CN114644395B (en) | 2022-03-08 | 2022-03-08 | Combined MBR membrane structure for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210226979.9A CN114644395B (en) | 2022-03-08 | 2022-03-08 | Combined MBR membrane structure for sewage treatment |
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| Publication Number | Publication Date |
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| CN114644395A true CN114644395A (en) | 2022-06-21 |
| CN114644395B CN114644395B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210226979.9A Active CN114644395B (en) | 2022-03-08 | 2022-03-08 | Combined MBR membrane structure for sewage treatment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826652A (en) * | 2012-01-13 | 2012-12-19 | 北京海思清膜科技有限公司 | Inner-aeration hollow fiber film carrier module and its application method |
| CN207276301U (en) * | 2017-10-30 | 2018-04-27 | 安徽欧鑫环保科技有限责任公司 | A kind of integration MBR film sewage treatment devices |
| CN111573828A (en) * | 2020-05-20 | 2020-08-25 | 山东膜源水净化科技股份有限公司 | Dynamic balance MBR membrane module |
| CN211497095U (en) * | 2019-12-31 | 2020-09-15 | 苏州中色德源环保科技有限公司 | Curtain type MBR assembly with aeration pipe |
| CN215539885U (en) * | 2021-08-17 | 2022-01-18 | 苏州苏净环保新材料有限公司 | Column curtain type MBR self-cleaning membrane component |
-
2022
- 2022-03-08 CN CN202210226979.9A patent/CN114644395B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826652A (en) * | 2012-01-13 | 2012-12-19 | 北京海思清膜科技有限公司 | Inner-aeration hollow fiber film carrier module and its application method |
| CN207276301U (en) * | 2017-10-30 | 2018-04-27 | 安徽欧鑫环保科技有限责任公司 | A kind of integration MBR film sewage treatment devices |
| CN211497095U (en) * | 2019-12-31 | 2020-09-15 | 苏州中色德源环保科技有限公司 | Curtain type MBR assembly with aeration pipe |
| CN111573828A (en) * | 2020-05-20 | 2020-08-25 | 山东膜源水净化科技股份有限公司 | Dynamic balance MBR membrane module |
| CN215539885U (en) * | 2021-08-17 | 2022-01-18 | 苏州苏净环保新材料有限公司 | Column curtain type MBR self-cleaning membrane component |
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| CN114644395B (en) | 2023-04-14 |
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