CN114538608A - MBR membrane filtration module with recoil function - Google Patents
MBR membrane filtration module with recoil function Download PDFInfo
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- CN114538608A CN114538608A CN202210268439.7A CN202210268439A CN114538608A CN 114538608 A CN114538608 A CN 114538608A CN 202210268439 A CN202210268439 A CN 202210268439A CN 114538608 A CN114538608 A CN 114538608A
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- mbr membrane
- membrane filtering
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- liquid inlet
- inner cylinder
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- 238000005374 membrane filtration Methods 0.000 title claims description 10
- 239000012528 membrane Substances 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 238000001914 filtration Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000011010 flushing procedure Methods 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000005273 aeration Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 description 12
- 238000004506 ultrasonic cleaning Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009295 crossflow filtration Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
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Classifications
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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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/18—Use of gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/20—By influencing the flow
- B01D2321/2066—Pulsated flow
- B01D2321/2075—Ultrasonic treatment
-
- 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
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material 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)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides an MBR (membrane bioreactor) membrane filtering assembly with a back flushing function, which comprises a bracket, a plurality of MBR membrane filtering mechanisms, a liquid discharge pipe, a liquid discharge pump and a water collecting tank, wherein the MBR membrane filtering mechanisms are arranged on the bracket; the bottom of the support is provided with a base, the base is fixedly connected with a top plate through a connecting rod, the top plate is positioned above the MBR membrane filtering mechanism, and the base is fixedly provided with an inner cylinder which is used for surrounding the support and the MBR membrane filtering mechanisms; a plurality of first liquid inlet holes are formed in the inner cylinder; an outer cylinder is sleeved outside the inner cylinder, a plurality of second liquid inlet holes corresponding to the first liquid inlet holes are formed in the outer cylinder, and a sealing ring is arranged on the side edge of each second liquid inlet hole; the top plate is provided with a driving mechanism. In actual use, the MBR membrane filtering mechanism does not need to be taken out to complete cleaning operation, the cleaning process is convenient and fast, and meanwhile, the cleaning effect is good.
Description
Technical Field
The invention relates to the technical field of sewage purification, in particular to an MBR membrane filtering component with a back flushing function.
Background
The MBR membrane biological reaction system is divided into a built-in type and an external type according to different use conditions of the MBR membrane. The built-in type is that the MBR membrane is directly immersed in the biochemical reaction tank, purified water is directly pumped out from the MBR membrane unit, and the external type is that a pump is used for carrying out cross flow filtration circulation on water in the biological reaction tank through the MBR membrane component to obtain clean permeated water.
The internal MBR membrane reaction system has large membrane area due to low operation pressure, while the external MBR membrane reaction system has large flux of MBR membrane due to large-flow circulating cross-flow filtration under the pressure of a pump, and the used MBR membrane has small area but large power consumption. However, both external and internal MBR membrane biological reaction systems have the serious disadvantages of short service life and high cost for replacing membrane elements due to serious pollution and easy blockage of MBR membrane elements. Severely restricting the development of the MBR membrane in the water recycling treatment technology.
The wastewater solution outside the MBR membrane is provided with suspended activated sludge attached to microorganisms for treating wastewater, and the water outlet pipe is provided with a hair dreg collector; the sewage treatment tank is provided with an aeration sheet which is communicated with a rotary fan through a pipeline to form an aeration device to carry out aeration treatment on the sewage treatment tank; and the water outlet area of the MBR membrane pumps clean permeated water to a recycling water tank through a suction pump. This system is carrying out water treatment process, and suspended activated sludge and necrotic microorganism easily scale deposit on the MBR membrane and pollute and block up the MBR membrane, cause MBR membrane life short, and this system is in the use, and MBR membrane's life is in 2 ~ 4 months, just must change the MBR membrane in 2 ~ 4 months promptly, causes use cost height.
When cleaning MBR membrane filtration unit among the prior art, need take out MBR membrane filtration unit from the pond, then wash or use the ultrasonic wave to making it wash, the cleaning process is wasted time and energy.
Disclosure of Invention
The invention aims to provide an MBR membrane filtering component with a back flushing function, which has the advantages of convenient and fast cleaning and good cleaning effect in actual use.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an MBR membrane filtering component with a back flushing function comprises a bracket, a plurality of MBR membrane filtering mechanisms arranged on the bracket, a liquid discharge pipe connected with the tops of the MBR membrane filtering mechanisms, a liquid discharge pump connected with the liquid discharge pipe, and a water collecting tank arranged at the water outlet end of the liquid discharge pump;
the bottom of the support is provided with a base, the base is fixedly connected with a top plate through a connecting rod, the top plate is positioned above the MBR membrane filtering mechanism, and the base is fixedly provided with an inner cylinder which is used for surrounding the support and the MBR membrane filtering mechanisms; a plurality of first liquid inlet holes are formed in the inner cylinder;
an outer cylinder is sleeved outside the inner cylinder, a plurality of second liquid inlet holes corresponding to the first liquid inlet holes are formed in the outer cylinder, and a sealing ring is arranged on the side edge of each second liquid inlet hole; the top plate is provided with a driving mechanism, the driving mechanism is connected with the outer barrel and is used for driving the outer barrel to move upwards or downwards, and after the driving mechanism drives the outer barrel to move, the first liquid inlet hole and the second liquid inlet hole can be in a coaxial state or a staggered state;
an ultrasonic generator is arranged on the top plate, a plurality of ultrasonic transducers are arranged in the inner cylinder, a plurality of flushing assemblies are arranged on the side wall of the inner cylinder, and the flushing assemblies are connected with the water collecting tank; a three-way valve is arranged on the liquid discharge pipe, an air pump is arranged on the top plate, and the air pump is connected with the three-way valve; the bottom of the inner cylinder is provided with a drain pipe which is provided with a drain valve.
Wherein, the flushing component comprises a water pipe connected with the water collecting tank, a water pump arranged on the water pipe and a flushing pipe arranged on the inner wall of the inner barrel, and a plurality of spray heads are arranged on the flushing pipe.
Further optimize, the water spray direction of shower nozzle is towards MBR membrane filtering mechanism.
Further limited, the spray head is a rotary high-pressure water spray head.
Further optimizing, an aeration component is arranged below the MBR membrane filtering mechanism.
Wherein, actuating mechanism includes the telescopic link, and the telescopic link stiff end is connected with the roof, and the expansion end is connected with the urceolus.
Wherein, the telescopic link is connected together through articulated mode with roof and urceolus.
Further inject, be provided with the mount pad on the roof, the stiff end of telescopic link is realized articulating through pivot and mount pad, and the telescopic link expansion end is realized articulating through round pin axle and urceolus.
Wherein, the telescopic link is pneumatic telescopic link.
Further optimize, the telescopic link is electronic or the telescopic link that surges.
Compared with the prior art, the invention has the following beneficial effects:
the invention combines the modes of ultrasonic cleaning, aeration, water washing and gas back flushing, can effectively improve the cleaning effect, and when in normal filtration, the second liquid inlet hole on the outer cylinder and the first liquid inlet hole on the inner cylinder are in a coaxial communication state, and at the moment, sewage can enter the inner cylinder through the first and second liquid inlet holes to filter the sewage; when the MBR membrane filtering mechanism needs to be cleaned, the driving mechanism drives the outer cylinder to move, so that the first liquid inlet hole and the second liquid inlet hole are in a staggered state, and meanwhile, as the side edge of the second liquid inlet hole is provided with the sealing ring, when the first liquid inlet hole and the second liquid inlet hole are in a staggered state, the inner cylinder is separated from the outside under the action of the sealing ring; then starting an ultrasonic generator, and stripping or dispersing membrane surface pollutants in the MBR membrane filtering mechanism by using an ultrasonic transducer; due to the isolation structure formed by the inner cylinder and the outer cylinder, the inner cylinder can be isolated from the external environment, the loss of ultrasonic energy is reduced, the ultrasonic energy can directly act on the MBR membrane filtering mechanism, and the cleaning effect is further improved; after the ultrasonic cleaning is finished, at the moment, a drainage valve on the drainage pipe is opened, sewage in the inner cylinder is discharged, then an air pump and a flushing assembly are started, the air pump backflushes a large amount of gas from the drainage pipe to the interior of the MBR membrane filtering mechanism, so that the dropping of dirt can be further accelerated, meanwhile, the flushing assembly performs high-pressure flushing on the MBR membrane filtering mechanism, at the moment, high-pressure gas backflushing and direct flushing of high-pressure water flow can be formed, and the flushing effect can be further improved; in practical use, after flushing is finished, the drain valve is closed, then flushing liquid sprayed by the flushing component is accumulated, the ultrasonic generator and the aeration component are started again at the moment to perform external aeration, generated bubbles can remove attachments, meanwhile, the MBR membrane filtering mechanism is subjected to ultrasonic cleaning again, after cleaning is finished, liquid in the inner cylinder is discharged, and then the driving mechanism drives the outer cylinder to reset, so that external sewage enters the inner cylinder to perform filtering operation; in actual use, the MBR membrane filtering mechanism does not need to be taken out to complete cleaning operation, the cleaning process is convenient and fast, and meanwhile, the cleaning effect is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is an enlarged view of a portion of FIG. 1.
Reference numerals:
1-bracket, 2-MBR membrane filtering mechanism, 3-liquid discharge pipe, 4-liquid discharge pump, 5-water collecting tank, 6-base, 7-connecting rod, 8-top plate, 9-inner cylinder, 10-first liquid inlet hole, 11-outer cylinder, 12-second liquid inlet hole, 13-sealing ring, 14-driving mechanism, 15-ultrasonic generator, 16-ultrasonic transducer, 17-flushing component, 18-three-way valve, 19-air pump, 20-water discharge pipe, 21-water discharge valve, 22-aeration component, 23-water pipe, 24-water pump, 25-flushing pipe, 26-spray head, and 27-mounting seat.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixed or detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. To simplify the disclosure of embodiments of the invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, the embodiment discloses an MBR membrane filtration assembly with a back flushing function, which includes a support 1, a plurality of MBR membrane filtration mechanisms 2 mounted on the support 1, a drain pipe 3 connected to the tops of the MBR membrane filtration mechanisms 2, a drain pump 4 connected to the drain pipe 3, and a water collection tank 5 disposed at a water outlet end of the drain pump 4;
the bottom of the support 1 is provided with a base 6, the base 6 is fixedly connected with a top plate 8 through a connecting rod 7, the top plate 8 is positioned above the MBR membrane filtering mechanisms 2, an inner cylinder 9 is fixedly arranged on the base 6, and the inner cylinder 9 is used for surrounding the support 1 and the MBR membrane filtering mechanisms 2; a plurality of first liquid inlet holes 10 are formed in the inner cylinder 9;
an outer cylinder 11 is sleeved outside the inner cylinder 9, a plurality of second liquid inlet holes 12 corresponding to the first liquid inlet holes 10 are formed in the outer cylinder 11, and sealing rings 13 are arranged on the side edges of the second liquid inlet holes 12; the top plate 8 is provided with a driving mechanism 14, the driving mechanism 14 is connected with the outer cylinder 11 and is used for driving the outer cylinder 11 to move upwards or downwards, and after the driving mechanism 14 drives the outer cylinder 11 to move, the first liquid inlet hole 10 and the second liquid inlet hole 12 can be in a coaxial state or a staggered state;
an ultrasonic generator 15 is arranged on the top plate 8, a plurality of ultrasonic transducers 16 are arranged in the inner cylinder 9, a plurality of flushing assemblies 17 are arranged on the side wall of the inner cylinder 9, and the flushing assemblies 17 are connected with the water collecting tank 5; a three-way valve 18 is arranged on the liquid discharge pipe 3, an air pump 19 is arranged on the top plate 8, and the air pump 19 is connected with the three-way valve 18; the bottom of the inner cylinder 9 is provided with a drain pipe 20, and the drain pipe 20 is provided with a drain valve 21; wherein, an aeration component 22 is arranged below the MBR membrane filtering mechanism 2.
The invention combines the modes of ultrasonic cleaning, aeration, water washing and gas back flushing, thereby effectively improving the cleaning effect; in actual use, the MBR membrane filtering mechanism 2 does not need to be taken out to complete cleaning operation, the cleaning process is convenient, and meanwhile, the cleaning effect is good.
Wherein, the flushing component 17 comprises a water pipe 23 connected with the water collecting tank 5, a water pump 24 arranged on the water pipe 23, and a flushing pipe 25 arranged on the inner wall of the inner cylinder 9, and a plurality of spray heads 26 are arranged on the flushing pipe 25.
Further preferably, the water spraying direction of the spray head 26 is towards the MBR membrane filtering mechanism 2.
Wherein, the spray head 26 is a rotary high-pressure water spray head; the cleaning effect can be further improved through the arranged high-pressure water spraying head.
The aeration assembly 22 can achieve the purpose of aeration while reducing the adhesion of contaminants to the MBR membrane filtration unit 2.
Wherein, actuating mechanism 14 includes the telescopic link, and the telescopic link stiff end is connected with roof 8, and the expansion end is connected with urceolus 11.
Further preferably, the telescopic rod is connected with the top plate 8 and the outer barrel 11 in a hinged mode.
In this embodiment, a mounting seat 27 is disposed on the top plate 8, a fixed end of the telescopic rod is hinged to the mounting seat 27 through a rotating shaft, and a movable end of the telescopic rod is hinged to the outer cylinder 11 through a pin shaft.
Wherein, the telescopic link is a pneumatic, electric or hydraulic telescopic link.
Example two
The embodiment discloses a cleaning method of an MBR membrane filtration module, which comprises the following steps:
during normal filtration, the second liquid inlet hole 12 on the outer cylinder 11 and the first liquid inlet hole 10 on the inner cylinder 9 are in a coaxial communication state, at the moment, sewage can enter the inner cylinder 9 through the first and second liquid inlet holes, and the MBR membrane filtering mechanism 2 filters the sewage;
when the MBR membrane filtering mechanism 2 needs to be cleaned, the driving mechanism 14 drives the outer cylinder 11 to move, so that the first liquid inlet hole 10 and the second liquid inlet hole 12 are in a staggered state, meanwhile, as the side edge of the second liquid inlet hole 12 is provided with the sealing ring 13, when the first liquid inlet hole 10 and the second liquid inlet hole 12 are in a staggered state, the inner cylinder 9 is separated from the outside under the action of the sealing ring 13, and an independent area is formed inside the inner cylinder 9;
then starting an ultrasonic generator 15, and stripping or dispersing membrane surface pollutants in the MBR membrane filtering mechanism 2 by using an ultrasonic transducer 16; due to the isolation structure formed by the inner cylinder 9 and the outer cylinder 11, the inner cylinder 9 can be isolated from the external environment, the loss of ultrasonic energy is reduced, the ultrasonic energy can directly act on the MBR membrane filtering mechanism 2, and the cleaning effect is further improved;
after the ultrasonic cleaning is finished, the drainage valve 21 on the drainage pipe 20 is opened at the moment, sewage in the inner cylinder 9 is discharged, then the air pump 19 and the flushing assembly 17 are started, the air pump 19 backflushs a large amount of gas from the drainage pipe 3 to the interior of the MBR membrane filtering mechanism 2, so that the dropping of the sewage can be further accelerated, meanwhile, the flushing assembly 17 performs high-pressure flushing on the MBR membrane filtering mechanism 2, at the moment, high-pressure gas backflushing and direct flushing of high-pressure water flow can be formed, and the flushing effect can be further improved;
after the washing, the drainage valve 21 is closed, then the washing liquid sprayed out by the washing component 17 is stored up, at the moment, the ultrasonic generator 15 and the aeration component 22 are restarted to perform external aeration, the generated bubbles can clear away attachments, meanwhile, the MBR membrane filtering mechanism 2 is subjected to ultrasonic cleaning again, after the cleaning is finished, the liquid inside the inner cylinder 9 is discharged, and then the driving mechanism 14 drives the outer cylinder 11 to reset, so that the external sewage enters the inner cylinder 9 to perform filtering operation.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a MBR membrane filtration module with recoil function which characterized in that: the device comprises a bracket, a plurality of MBR membrane filtering mechanisms arranged on the bracket, a liquid discharge pipe connected with the tops of the MBR membrane filtering mechanisms, a liquid discharge pump connected with the liquid discharge pipe, and a water collecting tank arranged at the water outlet end of the liquid discharge pump;
the bottom of the support is provided with a base, the base is fixedly connected with a top plate through a connecting rod, the top plate is positioned above the MBR membrane filtering mechanism, and the base is fixedly provided with an inner cylinder which is used for surrounding the support and the MBR membrane filtering mechanisms; a plurality of first liquid inlet holes are formed in the inner cylinder;
an outer cylinder is sleeved outside the inner cylinder, a plurality of second liquid inlet holes corresponding to the first liquid inlet holes are formed in the outer cylinder, and a sealing ring is arranged on the side edge of each second liquid inlet hole; the top plate is provided with a driving mechanism, the driving mechanism is connected with the outer barrel and is used for driving the outer barrel to move upwards or downwards, and after the driving mechanism drives the outer barrel to move, the first liquid inlet hole and the second liquid inlet hole can be in a coaxial state or a staggered state;
an ultrasonic generator is arranged on the top plate, a plurality of ultrasonic transducers are arranged in the inner cylinder, a plurality of flushing assemblies are arranged on the side wall of the inner cylinder, and the flushing assemblies are connected with the water collecting tank; a three-way valve is arranged on the liquid discharge pipe, an air pump is arranged on the top plate, and the air pump is connected with the three-way valve; the bottom of the inner cylinder is provided with a drain pipe which is provided with a drain valve.
2. The MBR membrane filtering module with the back flushing function according to claim 1, wherein: the flushing component comprises a water pipe connected with the water collecting tank, a water pump arranged on the water pipe and a flushing pipe arranged on the inner wall of the inner barrel, and a plurality of nozzles are arranged on the flushing pipe.
3. The MBR membrane filtering module with the back flushing function according to claim 2, wherein: the water spraying direction of the spray head faces to the MBR membrane filtering mechanism.
4. The MBR membrane filtering module with the back flushing function according to claim 2, wherein: the spray head is a rotary high-pressure water spray head.
5. The MBR membrane filtering module with the back flushing function according to claim 1, wherein: an aeration component is arranged below the MBR membrane filtering mechanism.
6. The MBR membrane filtering module with the back flushing function according to claim 1, wherein: the driving mechanism comprises a telescopic rod, the fixed end of the telescopic rod is connected with the top plate, and the movable end of the telescopic rod is connected with the outer barrel.
7. The MBR membrane filtering module with the back flushing function according to claim 6, wherein: the telescopic rod is connected with the top plate and the outer barrel in a hinged mode.
8. The MBR membrane filter module with the back flushing function according to claim 7, wherein: the top plate is provided with a mounting seat, the fixed end of the telescopic rod is hinged with the mounting seat through a rotating shaft, and the movable end of the telescopic rod is hinged with the outer barrel through a pin shaft.
9. The MBR membrane filtering module with the back flushing function according to claim 6, wherein: the telescopic link is pneumatic telescopic link.
10. The MBR membrane filtering module with the back flushing function according to claim 6, wherein: the telescopic link is electronic or the telescopic link that surges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210268439.7A CN114538608A (en) | 2022-03-18 | 2022-03-18 | MBR membrane filtration module with recoil function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210268439.7A CN114538608A (en) | 2022-03-18 | 2022-03-18 | MBR membrane filtration module with recoil function |
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| CN114538608A true CN114538608A (en) | 2022-05-27 |
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| CN202210268439.7A Pending CN114538608A (en) | 2022-03-18 | 2022-03-18 | MBR membrane filtration module with recoil function |
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