CN220677406U - MBR membrane back flush device - Google Patents
MBR membrane back flush device Download PDFInfo
- Publication number
- CN220677406U CN220677406U CN202322333982.3U CN202322333982U CN220677406U CN 220677406 U CN220677406 U CN 220677406U CN 202322333982 U CN202322333982 U CN 202322333982U CN 220677406 U CN220677406 U CN 220677406U
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- Prior art keywords
- sewage treatment
- aeration
- back flush
- membrane
- stirring
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- 239000012528 membrane Substances 0.000 title claims abstract description 61
- 239000010865 sewage Substances 0.000 claims abstract description 63
- 238000003756 stirring Methods 0.000 claims abstract description 57
- 238000005273 aeration Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000011010 flushing procedure Methods 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000011001 backwashing Methods 0.000 claims abstract description 24
- 229920000742 Cotton Polymers 0.000 claims abstract description 13
- 239000003814 drug Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 238000001802 infusion Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 9
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to an MBR membrane backwashing device, which comprises a backwashing tank, a tank cover, a membrane fixing frame, an aeration flushing mechanism, a stirring mechanism and a sewage treatment mechanism, wherein the tank cover is connected with the opening end of the backwashing tank in a matched manner, the membrane fixing frame, the aeration flushing mechanism and the stirring mechanism are arranged in the backwashing tank, the sewage treatment mechanism is connected to the side surface of the backwashing tank and comprises a blower, an aeration plate and an aeration port, the stirring mechanism comprises a stirring motor, a stirring shaft, stirring blades and a cotton filter layer, the sewage treatment mechanism comprises the sewage treatment tank, a baffle plate, a coarse filtering layer and a sewage treatment agent, bubbles are formed through a plurality of aeration ports on the aeration plate, and are contacted with a membrane body in the rising process, so that the backwashing of the membrane is realized, dirt on the surface of the membrane is removed, the stirring blades on the stirring shaft generate strong stirring action in water, the water is fully mixed in the tank, and the aeration flushing effect is improved.
Description
Technical Field
The utility model relates to the technical field of membrane cleaning, in particular to an MBR membrane backwashing device.
Background
MBR Membrane is also called Membrane bioreactor (Membrane Bio-Reactor), and is a novel water treatment technology combining a Membrane separation unit and a biological treatment unit. The adopted membrane structure is mainly a flat plate membrane and a hollow fiber membrane, the MBR membrane is applied to the key technical points of reducing membrane pollution and recovering membrane flux, and back flushing is one of effective methods.
The existing MBR membrane backwashing device for the membrane has more defects, firstly, common backwashing is water flow jet cleaning from bottom to top, the cleaning effect of the method is lower, dirt on the surface of the membrane can not be effectively removed, the filtering effect and the service life of the membrane are affected, secondly, the common backwashing device can not be fully mixed with water, the effect of aeration flushing is reduced, meanwhile, the cleaning effect of the membrane is also affected, finally, most of MBR membrane backwashing devices lack the sewage treatment capability, if sewage can not be effectively treated, harmful substances can not be removed, and the environment is polluted.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an MBR membrane backwashing device.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an MBR diaphragm back flush device, includes back flush case, case lid, diaphragm mount, aeration flushing mechanism, rabbling mechanism and sewage treatment mechanism, and the case lid is connected with the open end cooperation of back flush case, the diaphragm mount the aeration flushing mechanism with rabbling mechanism all sets up in the inside of back flush case, sewage treatment mechanism connects the side at the back flush case, aeration flushing mechanism includes air-blower, aeration board and aeration mouth, and the air-blower is connected in the side of back flush case, and the aeration board sets up in the bottom of back flush case, and the air outlet of air-blower stretches into back flush case and aeration board connection, is provided with a plurality of aeration mouth on the aeration board, the rabbling mechanism includes agitator motor, (mixing) shaft, stirring vane and cotton filter layer, and the one end of (mixing) shaft stretches into the inside of back flush case, and the other end of (mixing) shaft stretches out back flush case and is connected with the agitator motor, and the (mixing) vane is connected on the lateral wall of (mixing) shaft, and the cotton filter layer sets up on the lateral wall of (mixing) shaft, and cotton filter layer runs through the stirring vane.
Preferably, the sewage treatment mechanism comprises a sewage treatment box, a baffle plate, a coarse filtration layer and a sewage treatment agent, wherein the sewage treatment box is arranged on the side surface of the backwashing box, the baffle plate is arranged inside the backwashing box and divides the inside of the backwashing box into two chambers, the coarse filtration layer is arranged in one chamber, the sewage treatment agent is arranged in the other chamber, and the sewage treatment mechanism is arranged, so that the sewage is conveniently subjected to chemical treatment, and harmful substances in the sewage are further removed.
In a further preferred mode, the two sides of the membrane fixing frame are symmetrically provided with the screw rods, the screw rods are provided with thread blocks, one ends of the screw rods are movably connected to the membrane fixing frame, the other ends of the screw rods are provided with knobs, the MBR membrane is movably fixed to the membrane fixing frame through the screw rods, the thread blocks and the knobs, and meanwhile the tightness can be adjusted through the knobs, so that the flexibility and the adaptability of the device are improved.
In a further preferred mode, the diaphragm fixing frame is provided with a plurality of groups of movable rods, two sides of the diaphragm body are sleeved on the movable rods to be matched and fixed, and the diaphragm body can move on the fixing frame through the arrangement of the movable rods, so that the flexibility of the device is improved.
In a further preferred mode, connecting blocks are arranged on two sides of the diaphragm fixing frame and welded in the backwashing tank, and the diaphragm fixing frame is fixed in the backwashing tank through the arrangement of the connecting blocks, so that the stability of the device is guaranteed.
In a further preferred aspect, the sewage treatment tank is connected to the side surface of the backwash tank through a water pipe, and an infusion pump is arranged on the connecting water pipe, so that sewage can be conveyed from the backwash tank to the sewage treatment tank through the arrangement of the water pipe and the infusion pump, and the working efficiency of the equipment is improved.
In a further preferred embodiment, the top surface and the side surface of the sewage treatment tank are respectively provided with a reagent adding port and a water outlet, the side surface of the backwash tank is provided with a water inlet, the reagent adding port is used for adding a sewage treatment reagent into the sewage treatment tank, the water outlet is used for discharging treated water, and the two ports are arranged to facilitate the operation of the equipment.
(III) beneficial effects
Compared with the prior art, the utility model provides an MBR membrane backwashing device, which has the following beneficial effects:
the aeration flushing mechanism comprises a blower, an aeration plate and aeration openings, wherein the aeration flushing mechanism sends air into the aeration plate at the bottom of the tank through the blower, then bubbles are formed through a plurality of aeration openings on the aeration plate, and the bubbles are contacted with the diaphragm body in the rising process, so that the back flushing of the diaphragm is realized, and dirt on the surface of the diaphragm is removed.
According to the utility model, the stirring mechanism is arranged and comprises the stirring motor, the stirring shaft, the stirring blades and the filter cotton layer, the stirring motor drives the stirring shaft to rotate, the stirring blades on the stirring shaft generate strong stirring action in water, so that the water is fully mixed in the tank, the aeration flushing effect is improved, the filter cotton layer is connected to the stirring blades in a penetrating way, the washed impurities in the backwashing tank are conveniently adhered in time, and the backwashing effect of the device is improved.
The sewage treatment tank is arranged in the sewage treatment device, and comprises a sewage treatment tank, a partition board, a coarse filter layer and a sewage treatment agent.
Drawings
FIG. 1 is a schematic view of the main structure of the device of the present utility model;
FIG. 2 is a schematic view of the internal structure of the device according to the present utility model;
FIG. 3 is a schematic view of the structure of the aeration flushing mechanism in the present utility model;
FIG. 4 is a schematic diagram of a stirring mechanism according to the present utility model;
FIG. 5 is a schematic diagram of a sewage treatment mechanism according to the present utility model.
In the figure: 1. a backwash tank; 2. a case cover; 3. a diaphragm fixing frame; 4. a blower; 5. an aeration plate; 6. an aeration port; 7. a stirring motor; 8. a stirring shaft; 9. stirring blades; 10. a cotton filter layer; 11. a sewage treatment tank; 12. a partition plate; 13. a coarse filtration layer; 14. a sewage treatment agent; 15. a screw rod; 16. a screw block; 17. a knob; 18. a diaphragm body; 19. a connecting block; 20. a water pipe; 21. an infusion pump; 22. a drug addition port; 23. a water outlet; 24. a water inlet; 25. a movable rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1-5, an MBR membrane back flushing device comprises a back flushing tank 1, a tank cover 2, a membrane fixing frame 3, an aeration flushing mechanism, a stirring mechanism and a sewage treatment mechanism, wherein the tank cover 2 is connected with the opening end of the back flushing tank 1 in a matched manner, the membrane fixing frame 3, the aeration flushing mechanism and the stirring mechanism are all arranged in the back flushing tank 1, the sewage treatment mechanism is connected to the side surface of the back flushing tank 1, the aeration flushing mechanism comprises a blower 4, an aeration plate 5 and an aeration opening 6, the blower 4 is connected to the side surface of the back flushing tank 1, the aeration plate 5 is arranged at the bottom of the back flushing tank 1, an air outlet of the blower 4 extends into the back flushing tank 1 and is connected with the aeration plate 5, a plurality of aeration openings 6 are formed in the aeration plate 5, the stirring mechanism comprises a stirring motor 7, a stirring shaft 8, stirring blades 9 and a cotton filter layer 10, one end of the stirring shaft 8 extends into the back flushing tank 1, the other end of the stirring shaft 8 extends out of the back flushing motor 7 and is connected with the stirring motor 7, the stirring blades 9 are arranged on the stirring shaft 8, the stirring blades 9 are connected to the side wall of the stirring shaft 8, the stirring blades 10 are arranged on the side wall of the stirring shaft 8, and the stirring layer 10 penetrates through the filter layer 10.
The sewage treatment mechanism comprises a sewage treatment box 11, a partition plate 12, a coarse filtration layer 13 and a sewage treatment agent 14, wherein the sewage treatment box 11 is arranged on the side surface of the back flush box 1, the partition plate 12 is arranged inside the back flush box 1 and divides the back flush box 1 into two chambers, the coarse filtration layer 13 is arranged in one chamber, the sewage treatment agent 14 is arranged in the other chamber, and the sewage treatment mechanism is convenient for carrying out chemical treatment on sewage and further removing harmful substances in the sewage.
The both sides symmetry of diaphragm mount 3 is provided with lead screw 15, is provided with screw thread piece 16 on the lead screw 15, and the one end swing joint of lead screw 15 is on diaphragm mount 3, and the other end of lead screw 15 is provided with knob 17, through the setting of lead screw 15, screw thread piece 16 and knob 17 for diaphragm body 18 activity is fixed on diaphragm mount 3, can adjust the elasticity through knob 17 simultaneously, has improved flexibility and the adaptability of equipment.
The membrane fixing frame 3 is provided with a plurality of groups of movable rods 25, two sides of the membrane body 18 are sleeved on the movable rods to be matched and fixed, and the membrane body 18 can move on the membrane fixing frame 3 through the arrangement of the movable rods 25, so that the flexibility of the equipment is improved.
The two sides of the diaphragm fixing frame 3 are provided with connecting blocks 19, the connecting blocks 19 are welded in the backwashing tank 1, and the diaphragm fixing frame 3 is fixed in the backwashing tank 1 through the arrangement of the connecting blocks 19, so that the stability of equipment is ensured.
The sewage treatment tank 11 is connected to the side surface of the back flushing tank 1 through the water pipe 20, and the water pipe 20 is connected with the infusion pump 21, and sewage can be conveyed to the sewage treatment tank 11 from the back flushing tank 1 through the arrangement of the water pipe 20 and the infusion pump 21, so that the working efficiency of the equipment is improved.
The top surface and the side of sewage treatment case 11 are provided with medicament adding port 22 and outlet 23 respectively, and the side of back flush case 1 is provided with water inlet 24, and medicament adding port 22 is used for adding sewage treatment medicament 14 to sewage treatment case 11, and outlet 23 is then used for discharging the water after the processing, and the arrangement of these two mouthfuls makes the operation of equipment more convenient.
Example 2:
referring to fig. 1-5, on the basis of embodiment 1, the case cover 2 of the backwash tank 1 is opened, the membrane body 18 is mounted on the membrane fixing frame 3, after the membrane body 18 is fixed on the membrane fixing frame 3, screws 15 are symmetrically arranged on two sides of the membrane fixing frame 3, screw blocks 16 are arranged on the screws 15, the membrane bodies 18 with different types can be fixedly clamped on the membrane fixing frame 3 by rotating the screws 15 to drive the positions of the screw blocks 16, water is added into the backwash tank 1 through the water inlet 24, at the moment, the air blower 4 is opened, the air blower 4 sends air into the aeration plate 5 at the bottom of the tank, and bubbles are formed through a plurality of aeration openings 6 on the aeration plate 5 and are contacted with the membrane body 18 in the rising process, so that backwashing of the membrane is realized, and dirt on the surface of the membrane is removed.
Example 3:
referring to fig. 1-5, on the basis of embodiment 2, while the aeration flushing mechanism is running, the stirring mechanism is also working, the stirring motor 7 drives the stirring shaft 8 to rotate, the stirring blades 9 on the stirring shaft 8 generate strong stirring action in water, so that the water is fully mixed in the tank, the aeration flushing effect is improved, the filter cotton layer 10 is further arranged on the side wall of the stirring shaft 8, sewage can be further filtered, the flushed impurities are attached to the filter cotton layer 10, after the back flushing is completed, the sewage enters the sewage treatment tank 11, and the tank is internally provided with the partition board 12 to divide the sewage into two chambers. A coarse filter layer 13 is arranged in one chamber and is used for preliminarily filtering large-particle impurities in the sewage, and a sewage treatment agent 14 is arranged in the other chamber and is used for carrying out chemical treatment on the sewage so as to further remove harmful substances in the sewage.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a MBR membrane back flush device, includes back flush case (1), case lid (2), diaphragm mount (3), aeration flushing mechanism, rabbling mechanism and sewage treatment mechanism, case lid (2) are connected with the open end cooperation of back flush case (1), diaphragm mount (3) aeration flushing mechanism with rabbling mechanism all sets up in the inside of back flush case (1), sewage treatment mechanism connects the side at back flush case (1), aeration flushing mechanism includes air-blower (4), aeration board (5) and aeration mouth (6), and air-blower (4) are connected in the side of back flush case (1), and aeration board (5) set up in the bottom of back flush case (1), and the air outlet of air-blower (4) stretches into back flush case (1) and aeration board (5) are connected, are provided with a plurality of aeration mouth (6) on aeration board (5), stirring mechanism includes (7), (8) stirring vane (9) and cotton layer (10), and one end of (8) stretches into the inside of back flush case (1), and stirring vane (8) stretch out on stirring shaft (8) and stirring vane (8) are connected with stirring vane (8) on stirring shaft (8), the filter cotton layer (10) is arranged on the side wall of the stirring shaft (8), and the filter cotton layer (10) penetrates through the stirring blade (9).
2. The MBR membrane backwash device according to claim 1, wherein: the sewage treatment mechanism comprises a sewage treatment box (11), a partition plate (12), a coarse filter layer (13) and a sewage treatment medicament (14), wherein the sewage treatment box (11) is arranged on the side surface of the back flush box (1), the partition plate (12) is arranged inside the back flush box (1), the back flush box (1) is divided into two chambers, the coarse filter layer (13) is arranged in one chamber, and the sewage treatment medicament (14) is arranged in the other chamber.
3. The MBR membrane backwash device according to claim 1, wherein: the membrane fixing frame is characterized in that lead screws (15) are symmetrically arranged on two sides of the membrane fixing frame (3), screw thread blocks (16) are arranged on the lead screws (15), one ends of the lead screws (15) are movably connected to the membrane fixing frame (3), and knobs (17) are arranged at the other ends of the lead screws (15).
4. The MBR membrane backwash device according to claim 1, wherein: the membrane fixing frame (3) is provided with a plurality of groups of movable rods (25), and two sides of the membrane body (18) are sleeved on the movable rods to be matched and fixed.
5. The MBR membrane backwash device according to claim 1, wherein: connecting blocks (19) are arranged on two sides of the diaphragm fixing frame (3), and the connecting blocks (19) are welded in the backwashing tank (1).
6. The MBR membrane backwash device according to claim 2, wherein: the sewage treatment box (11) is connected to the side surface of the back flushing box (1) through a water pipe (20), and an infusion pump (21) is arranged on the water pipe (20).
7. The MBR membrane backwash device according to claim 2, wherein: the top surface and the side of the sewage treatment box (11) are respectively provided with a medicament adding port (22) and a water outlet (23), and the side of the back flush box (1) is provided with a water inlet (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322333982.3U CN220677406U (en) | 2023-08-30 | 2023-08-30 | MBR membrane back flush device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322333982.3U CN220677406U (en) | 2023-08-30 | 2023-08-30 | MBR membrane back flush device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220677406U true CN220677406U (en) | 2024-03-29 |
Family
ID=90408821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322333982.3U Active CN220677406U (en) | 2023-08-30 | 2023-08-30 | MBR membrane back flush device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220677406U (en) |
-
2023
- 2023-08-30 CN CN202322333982.3U patent/CN220677406U/en active Active
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