CN211283866U - Back flushing device of tubular metal membrane bioreactor - Google Patents
Back flushing device of tubular metal membrane bioreactor Download PDFInfo
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- CN211283866U CN211283866U CN201921960099.4U CN201921960099U CN211283866U CN 211283866 U CN211283866 U CN 211283866U CN 201921960099 U CN201921960099 U CN 201921960099U CN 211283866 U CN211283866 U CN 211283866U
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- washing
- tubular metal
- rotating ring
- metal membrane
- membrane bioreactor
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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 relates to the technical field of wastewater treatment equipment, and discloses a backwashing device of a tubular metal membrane bioreactor, which comprises a chuck, wherein the chuck comprises a circular plate-shaped rotating ring, the center of the rotating ring is provided with a rubber ring for clamping a water outlet joint, one side of the rotating ring is provided with a washing cavity for containing a nanofiltration layer body, a gap is formed between the washing cavity and the rotating ring, a plurality of washing nozzles are arranged around the washing cavity, each washing nozzle is fixedly connected through a fixing frame, and a water supply pipe for supplying water to the washing nozzles is connected to the washing nozzles; the rotating ring is rotatably connected to the fixing frame through a bearing, the fixing frame is further rotatably connected with a driving ring in friction transmission with the rotating ring, and a rotating shaft of the driving ring is in transmission connection with a motor. The utility model discloses be convenient for wash high-efficiently tubular metal membrane, reduce and wash the blind area.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment equipment, in particular to a backwashing device of a tubular metal membrane bioreactor.
Background
In the prior art, a technical scheme of performing solid-liquid separation on heavy metals by using a tubular metal membrane is adopted, and a patent CN102115255A discloses a tubular metal membrane bioreactor (application number: 201010045807.9), wherein the main structure of the tubular metal membrane bioreactor comprises a water outlet connector and a filter layer body which are connected with each other, and the filter layer body is cylindrical. The prior art mainly realizes the back flushing operation of the tubular metal membrane of the rotating bioreactor in a continuous jet mode.
The tubular metal membrane of the bioreactor has found that the back flushing structure can cause the following problems in continuous jet flow during the actual operation process: 1. the pressure of the back washing jet flow is too high, so that the tubular metal film of the bioreactor is locally deformed and even eroded and damaged. In order to overcome the adhesion force of a filter cake layer on a tubular metal film of a bioreactor in the filtering process, the operation energy consumption is high, the jet impact force is large, the jet impact force is concentrated in a certain area of the tubular metal film of the bioreactor, the tubular metal film in the area is easy to deform or even erode and damage due to higher impact force, and the service life of the tubular metal film of the bioreactor is shortened. 2. The back washing circulation regeneration effect is not uniform, so that the tubular metal film of the rotary bioreactor is blocked and fails due to particle impurity bridging. Due to the limitation of the nozzle structure in the prior art, the back flush jet flow range is limited, the tubular metal film of the bioreactor cannot be completely covered, a jet flow blind area exists, and particle impurities attached to the jet flow blind area cannot be effectively removed. The tubular metal film of the bioreactor has obvious difference between the effective washing area range and the washing blind area, and the particle impurities between the tubular metal films of the bioreactor in the washing blind area are easy to bridge, i.e. the particle impurities in a plurality of areas which cannot be effectively removed are mutually bonded into blocks to form a larger area which cannot be effectively removed. The tubular metal membrane of the bioreactor is seriously blocked due to the bridging, so that a series of problems of increased filtration pressure drop, increased operation energy consumption, failure in work and the like of the tubular metal membrane of the bioreactor are caused.
Disclosure of Invention
The utility model aims at providing a backwash device of tubular metal membrane bioreactor which improves the cleaning efficiency and avoids producing backwash blind areas.
In order to achieve the purpose, the utility model provides a back flush device of tubular metal membrane bioreactor, tubular metal membrane bioreactor includes interconnect's delivery port joint and filtering layer body, the filtering layer body is the cylinder, including the chuck, the chuck includes the rotating ring that is the disc form, the center of rotating ring is equipped with the rubber circle that is used for centre gripping delivery port joint, one side of rotating ring is equipped with the washing chamber that is used for holding the filtering layer body, wash the chamber with have the clearance between the rotating ring, wash the chamber around be equipped with a plurality of washing terminals, each washing terminal passes through mount fixed connection, be connected with on the washing terminal and to the delivery pipe of washing terminal water supply;
the rotating ring is rotatably connected to the fixing frame through a bearing, the fixing frame is further rotatably connected with a driving ring in friction transmission with the rotating ring, and a rotating shaft of the driving ring is in transmission connection with a motor.
Preferably, the rubber ring is elastically folded to clamp and fix the water outlet joint.
Preferably, the angle α is formed between the washing nozzle and the neutral surface of the filter body, wherein α is 0 to 60 degrees.
Preferably, the flushing nozzles are divided into three groups and are respectively arranged at two ends and a middle section of the flushing cavity, and the end part of the filter body is also provided with the flushing nozzles.
Preferably, the motor is connected with a frequency converter for controlling the rotation speed and direction of the motor.
The embodiment of the utility model provides a back washing unit of tubular metal membrane compares with prior art, and its beneficial effect lies in:
the utility model provides a back washing unit of tubular metal membrane bioreactor, including being used for carrying out the chuck of centre gripping to the delivery port joint, fixedly connected with rotates the circle on the chuck, and the center of rotating the circle is equipped with the rubber circle that is used for centre gripping delivery port joint, and the rubber circle draws in through elasticity and connects the delivery port fixed, and one side of rotating the circle is equipped with the chamber of washing that is used for holding the layer body of receiving and filtering, washes the chamber and is the appearance chamber that washes the filtering layer body. Wash the chamber and rotate and have the clearance between the circle, wash the chamber be equipped with a plurality of washing terminals around, wash and be connected with the delivery pipe that supplies water to washing terminal on the shower nozzle, rotate the circle and rotate when driving the chuck and rotate, can make washing terminal wash the filtering layer body from each angle, avoided washing the efflux and distributed all the time in bioreactor's tubular metal film circumference effectively wash the regional scope, improved the washing effect to biofilm reactor. Meanwhile, the jet impact force is prevented from being concentrated in a certain area of the tubular metal film of the bioreactor, the metal film in the area is prevented from being deformed, even eroded and damaged due to higher impact force, and the service life of the bioreactor is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of a back washing device of a tubular metal membrane bioreactor in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a side view of a backwashing device of the tubular metal membrane bioreactor in an embodiment of the present invention;
FIG. 3 is a schematic bottom view of the backwashing device of the tubular metal membrane bioreactor in the embodiment of the present invention;
FIG. 4 is a schematic view of a partial structure of a backwashing device of the tubular metal membrane bioreactor in an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a backwash device of a tubular metal membrane bioreactor according to an embodiment of the present invention;
FIG. 6 is a schematic view of the internal structure of the tubular metal membrane bioreactor in the embodiment of the present invention;
in the figure, 10, a tubular metal membrane bioreactor; 11. a water outlet joint; 12. a filter body; 20. a chuck; 21. rotating the ring; 22. a drive coil; 23. a motor; 24. a bolt; 30. a rubber ring; 40. flushing the cavity; 41. a gap; 50. washing the spray head; 51. a water supply pipe; 60. a fixing frame.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in the drawings 1 to 6, the back washing device of the tubular metal membrane bioreactor of the preferred embodiment of the present invention is used for washing the tubular metal membrane bioreactor in all directions, improving the washing effect and prolonging the service life of the tubular metal membrane bioreactor.
Based on the above technical scheme, the present embodiment provides a backwashing device for a tubular metal membrane bioreactor, as shown in fig. 6, the tubular metal membrane bioreactor 10 includes a water outlet joint 11 and a filter layer body 12 which are connected to each other, the filter layer body 12 is cylindrical, wherein, when the tubular metal membrane bioreactor 10 is in operation, water flow can flow in and out from the water outlet joint 11, so that the water flow filtered by the tubular metal membrane bioreactor 10 can flow out of the tubular metal membrane bioreactor 10 through the filter layer body 12, wherein the water outlet joint 11 is used as a connecting pipeline, and when cleaning, the water flow is used as a fixing seat for fixing the tubular metal membrane bioreactor 10, and the outer side wall of the water outlet joint 11 is smooth, thereby facilitating the fixed installation of the tubular metal membrane bioreactor 10.
Specifically, the backwashing device comprises a chuck 20, and the chuck 20 is used for clamping and fixing the tubular metal membrane bioreactor 10. Wherein the chuck 20 includes a rotating ring 21 having a disc shape, and the rotating ring 21 rotates when operating.
A circular hole is formed in the center of the rotating ring 21, and a plurality of grooves are formed in the circumferential direction of the circular hole of the rotating ring 21.
Specifically, the center of the rotating ring 21 is provided with a rubber ring 30 used for clamping the water outlet joint 11, and the groove plays a role in yielding the rubber ring 30, so that the rubber ring 30 can be smoothly clamped into the circular hole.
Specifically, one side of the rotating ring 21 is provided with a flushing cavity 40 for containing the nano filtering layer body 12, and the flushing cavity 40 is a cavity for flushing the tubular metal membrane bioreactor 10. There is a gap 41 between the flushing chamber 40 and the rotating ring 21 so that the rotating ring 21 rotates without interfering with the tubular metallic membrane bioreactor 10.
Specifically, a plurality of washing nozzles 50 are arranged around the washing cavity 40, and the plurality of washing nozzles 50 can wash the tubular metal membrane bioreactor 10 in a segmented manner from a plurality of angles. Wherein, each flushing nozzle 50 is fixedly connected through a fixing frame 60, the fixing frame 60 is provided with a circular arc-shaped buckle, and each flushing nozzle 50 is arranged on the fixing frame 60 through the buckle. The washing nozzle 50 is connected with a water supply pipe 51 for supplying water to the washing nozzle 50, the washing nozzle 50 is a nozzle of a metal structure, and the water supply pipe 51 is connected with a metal joint of the washing nozzle 50 to ensure washing pressure. A water supply pipe 51 is connected to an output pipe of the pressure pump to supply the flushing pressure to the flushing nozzle 50.
Wherein, mount 60 is including the fixing base that is used for fixed each washing terminals 50, retainer plate, the connecting rod that is used for fixed each fixing base, and the connecting rod is connected on the baffle, and the baffle can separate motor 23 and washing chamber 40, avoids washing the steam entering motor 23 department in the chamber 40. Meanwhile, a rectangular parallelepiped water tank may be disposed outside the flushing chamber 40 to limit the outflow of water in the flushing chamber 40, as shown in fig. 1, which is a rectangular parallelepiped water tank disposed outside the flushing chamber 40.
As shown in fig. 1, fig. 2 and fig. 4, the utility model discloses have the mount 60 that uses as the frame, mount 60 is used for fixed motor, fixed each washing terminals 50, chuck 20 has bolt 24, is equipped with the bolt hole on the delivery port joint 11 of tubular metal membrane bioreactor 10, when clamping delivery port joint 11, insert delivery port joint 11 in the rubber circle 30 of circle 21 rotates, then insert bolt 24 in the bolt hole, can be spacing on rotating circle 21 with delivery port joint 11 on vertical position through bolt 24.
Wherein, a thrust bearing is arranged between the rotating ring 21 and the fixing frame 60, so that the rotating ring 21 can freely rotate relative to the fixing frame 60, and the rotating ring 21 rotates together with the tubular metal membrane bioreactor 10 and the rubber ring 30 and freely rotates relative to the fixing frame 60, so as to conveniently carry out rotary cleaning on the tubular metal membrane bioreactor 10.
Specifically, the rotating ring 21 is rotatably connected to the fixing frame 60 through a bearing, the rotating ring 21 is provided with a ring body and a rotating shaft fixedly connected with the bearing, the ring body is connected with the rotating shaft through welding, the fixing frame 60 is further rotatably connected with a driving ring 22 in friction transmission with the rotating ring 21, the driving ring 22 is in friction transmission with the rotating ring 21, stepless speed change transmission can be achieved between the driving ring 22 and the rotating ring 21, reverse rotation during cleaning is facilitated, and the rotating shaft of the driving ring 22 is in transmission connection with the motor 23. The circumferential surfaces of the rotating ring 21 and the driving ring 22 are made of rubber and mixed fabric, and the friction coefficient is high, so that the friction ring is suitable for being used as a contact surface of friction transmission.
Preferably, the rubber ring 30 is elastically folded to clamp and fix the water outlet joint 11, and when the tubular metal membrane bioreactor 10 is installed and disassembled, the water outlet joint 11 only needs to be inserted into and pulled out of the rubber ring 30, so that the tubular metal membrane bioreactor 10 is convenient to disassemble and install.
Preferably, the angle α between the rinsing nozzle 50 and the neutral plane of the filter body 12 is 0 to 60 degrees. Wherein the included angle α may be 0 degree, 15 degrees, 30 degrees, 45 degrees, 60 degrees, 75 degrees, or 90 degrees.
Preferably, the flushing nozzles 50 are divided into three groups and respectively arranged at two ends and a middle section of the flushing cavity 40, and the flushing nozzles 50 are further arranged at the end parts of the filter layer body 12. Wherein, the number of each group of washing nozzles 50 can be 3, and the included angle α between the 3 washing nozzles 50 of each group and the neutral plane of the filter layer body 12 can be 15 degrees, 45 degrees and 75 degrees respectively, so as to sufficiently clean the filter layer body 12.
Preferably, the motor 23 is connected with a frequency converter for controlling the rotation speed and direction of the motor 23, so as to facilitate automatic control of cleaning the filter layer body 12. The frequency converter can be a Imperial series ATV600 model of Schneider electric company, and can also be other types of frequency converters in the prior art.
To sum up, the utility model discloses can follow each angle, each position and wash tubular metal membrane bioreactor 10's filtering layer body 12 fully, improve effect, abluent cleanliness factor to tubular metal membrane bioreactor 10 washs, also can prolong tubular metal membrane bioreactor 10's life.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (5)
1. The back washing device of the tubular metal membrane bioreactor comprises a water outlet connector and a filtering layer body which are connected with each other, wherein the filtering layer body is cylindrical, and the back washing device is characterized by comprising a chuck, wherein the chuck comprises a circular plate-shaped rotating ring, a rubber ring for clamping the water outlet connector is arranged at the center of the rotating ring, a washing cavity for containing the filtering layer body is arranged on one side of the rotating ring, a gap is formed between the washing cavity and the rotating ring, a plurality of washing nozzles are arranged around the washing cavity, each washing nozzle is fixedly connected through a fixing frame, and a water supply pipe for supplying water to the washing nozzles is connected to the washing nozzles;
the rotating ring is rotatably connected to the fixing frame through a bearing, the fixing frame is further rotatably connected with a driving ring in friction transmission with the rotating ring, and a rotating shaft of the driving ring is in transmission connection with a motor.
2. The backwashing device of a tubular metal membrane bioreactor of claim 1, wherein said rubber ring is elastically folded to clamp and fix said water outlet joint.
3. The backwashing device of a tubular metal membrane bioreactor of claim 2, wherein the angle α between the washing nozzle and the neutral plane of the filter body is 0-60 degrees.
4. The backwashing device of a tubular metal membrane bioreactor of claim 3, wherein the washing nozzles are divided into three groups and respectively arranged at two ends and a middle section of the washing cavity, and the end of the filter body is further provided with the washing nozzles.
5. The backwashing device of a tubular metal membrane bioreactor of claim 4, wherein a frequency converter for controlling the rotation speed and direction of the motor is connected to the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960099.4U CN211283866U (en) | 2019-11-13 | 2019-11-13 | Back flushing device of tubular metal membrane bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960099.4U CN211283866U (en) | 2019-11-13 | 2019-11-13 | Back flushing device of tubular metal membrane bioreactor |
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| Publication Number | Publication Date |
|---|---|
| CN211283866U true CN211283866U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921960099.4U Active CN211283866U (en) | 2019-11-13 | 2019-11-13 | Back flushing device of tubular metal membrane bioreactor |
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| CN (1) | CN211283866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112237847A (en) * | 2020-09-02 | 2021-01-19 | 重庆电子工程职业学院 | Acid pickling device for preparing nanofiltration membrane |
| CN117263369A (en) * | 2023-11-22 | 2023-12-22 | 水研未来(北京)环境工程技术有限公司 | Diaphragm gas-water mixing continuous cleaning device and cleaning method in membrane bioreactor |
-
2019
- 2019-11-13 CN CN201921960099.4U patent/CN211283866U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112237847A (en) * | 2020-09-02 | 2021-01-19 | 重庆电子工程职业学院 | Acid pickling device for preparing nanofiltration membrane |
| CN117263369A (en) * | 2023-11-22 | 2023-12-22 | 水研未来(北京)环境工程技术有限公司 | Diaphragm gas-water mixing continuous cleaning device and cleaning method in membrane bioreactor |
| CN117263369B (en) * | 2023-11-22 | 2024-02-27 | 水研未来(北京)环境工程技术有限公司 | Diaphragm gas-water mixing continuous cleaning device and cleaning method in membrane bioreactor |
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| GR01 | Patent grant | ||
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Denomination of utility model: A backwashing device for a tubular metal membrane bioreactor Effective date of registration: 20230509 Granted publication date: 20200818 Pledgee: Lechang Sub branch of Agricultural Bank of China Ltd. Pledgor: Guangdong Zhongbo traffic environmental protection equipment Co.,Ltd. Registration number: Y2023980040087 |