CN214990544U - Novel MBR flat membrane element - Google Patents
Novel MBR flat membrane element Download PDFInfo
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- CN214990544U CN214990544U CN202022438031.9U CN202022438031U CN214990544U CN 214990544 U CN214990544 U CN 214990544U CN 202022438031 U CN202022438031 U CN 202022438031U CN 214990544 U CN214990544 U CN 214990544U
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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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Abstract
The utility model discloses a novel MBR flat sheet membrane element, it includes: the backup pad, the both sides face of backup pad all has set gradually water conservancy diversion cloth and MBR membrane by inside to outside, the outer fringe of water conservancy diversion cloth is connected with the outer fringe of backup pad, form between water conservancy diversion cloth and the backup pad and seal the chamber that catchments, the outer fringe of MBR membrane is connected with the outer fringe of backup pad, it seals the chamber that catchments to form between water conservancy diversion cloth and the MBR membrane, the top of backup pad is provided with the frame, the bottom of backup pad is provided with the lower frame, the left side and the right side of backup pad all are provided with the collector pipe, the top of collector pipe is provided with the mouth of a river of producing, still be provided with the multiunit delivery port on the collector pipe, be provided with well core plate between backup pad and the water conservancy diversion cloth, well core plate's two sides all is provided with a plurality of lugs and many support bars. The utility model discloses a rational design membrane element's flowing water passageway increases the delivery port, reduces the filtration resistance, improves the effective area of going out of diaphragm, makes the membrane rate of permeating water even, and the membrane pollutes and reduces, prolongs the life of membrane.
Description
Technical Field
The utility model relates to a novel dull and stereotyped membrane element of MBR belongs to sewage treatment technical field.
Background
MBR is a water treatment technology combining a biological activated sludge process and a membrane separation technology, and has the advantages of stable effluent quality, small occupied area, easy automatic control and the like. In the process of membrane filtration, microbial metabolites, extracellular polymeric substances, large-particle substances and the like in sewage are adsorbed and deposited on the surface or in membrane pores of the membrane, so that the membrane flux is reduced, and the service life is shortened.
For example, patent CN210393875U discloses a flat membrane element, which solves the problems of few flow channels and serious membrane pollution of the existing membrane elements. The upper end of the supporting plate is provided with a water producing port which is communicated with the inner membrane cavity; the upper part of the side surface of the supporting plate, which is close to the water producing port, is provided with a liquid pool groove and a main diversion groove which is transversely arranged; the main diversion trench is connected with the liquid pool trench.
The dull and stereotyped membrane element of MBR that uses at present produces the mouth of a river few, one or two, the runner of catchmenting is limited, the membrane rate of permeating water is inhomogeneous, in the pump suction process of producing water, the one end vacuum that is close to the membrane element faucet is high, the transmission rate of water is big, gradually down vacuum becomes the gradient decay, the transmission rate of water reduces, produce near the mouth of a river easily to form the blind spot, membrane pollution is more serious than other places, the effective water area of membrane reduces simultaneously, and the delivery port is far away from the aeration pipe distance, lead to bottom filter resistance great, the water yield of membrane has been influenced greatly.
In conclusion, how to reduce the cost and increase the anti-pollution and service life of the membrane is an urgent problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel dull and stereotyped membrane element of MBR, through the flowing water passageway of rational design membrane element, increase the delivery port, reduce the filtration resistance, improve the effective area of water of diaphragm, make the membrane rate of permeating water even, the membrane pollutes and reduces, prolongs the life of membrane.
In order to solve the technical problem, the utility model discloses a following technical scheme: a novel MBR flat membrane element comprises a supporting plate, wherein flow guide cloth and an MBR membrane are sequentially arranged on two side faces of the supporting plate from inside to outside, the outer edge of the flow guide cloth is connected with the outer edge of the supporting plate, a closed water collecting cavity is formed between the flow guide cloth and the supporting plate, the outer edge of the MBR membrane is connected with the outer edge of the supporting plate, a closed water collecting cavity is formed between the flow guide cloth and the MBR membrane, an upper frame is arranged at the top of the supporting plate, a lower frame is arranged at the bottom of the supporting plate, water collecting pipes are arranged on the left side and the right side of the supporting plate, a water generating opening is formed in the top end of each water collecting pipe, a plurality of groups of water outlets are further arranged on each water collecting pipe, a central plate is arranged between the supporting plate and the flow guide cloth, and a plurality of convex blocks and a plurality of supporting strips are arranged on two sides of the central plate; the supporting plate and the supporting bars form a cavity structure, so that more channels and storage spaces are provided for water flow, and the supporting plate is guaranteed to have certain strength, the weight is reduced, and the cost is reduced; a water producing port and a water outlet are arranged, so that on one hand, when water is produced by filtering, the uniform water outlet of each point of the MBR membrane is ensured, and the low water production caused by the serious local pollution of the MBR membrane is relieved; on the other hand, the delivery port is distributed dispersedly, guarantees that the MBR membrane is more even when chemical cleaning, reaches good filter membrane cleaning performance.
According to the novel MBR flat membrane element, the support plate is of a rectangular structure, a welding seam is arranged between the outer edge of the flow guide cloth and the outer edge of the support plate, and a welding seam is arranged between the outer edge of the MBR membrane and the outer edge of the support plate; a closed water collecting cavity is formed between the flow guide cloth and the support plate, and a closed water collecting cavity is also formed between the flow guide cloth and the MBR membrane.
In the novel MBR flat membrane element, the middle part of the upper surface of the upper frame is provided with the handle; MBR flat sheet membrane element of taking is conveniently changed.
According to the novel MBR flat membrane element, the left end of the upper frame is connected with the upper part of the left water collecting pipe of the central plate, the right end of the upper frame is connected with the upper part of the right water collecting pipe of the central plate, the left end of the lower frame is connected with the lower part of the left water collecting pipe of the central plate, and the right end of the lower frame is connected with the lower part of the right water collecting pipe of the central plate; a closed frame is formed so that the MBR membrane is fixed.
The novel MBR flat membrane element is characterized in that a first clamping groove is formed in one side, connected with the support plate, of the upper frame, a first clamping groove is also formed in one side, connected with the support plate, of the lower frame, the top and the bottom of the support plate are inserted into the corresponding first clamping grooves, and the top and the bottom of the central plate are inserted into the corresponding first clamping grooves.
According to the novel MBR flat membrane element, the middle part of the water collecting pipe is provided with the water collecting channel, the outer wall of one end of the water producing port is in threaded connection with the inner wall of the water collecting channel 14, the two sides of the water collecting pipe are provided with the connecting strips, one side of the connecting strips, which is connected with the supporting plate, is provided with the second clamping grooves, the left side surface and the right side surface of the supporting plate are inserted into the corresponding second clamping grooves, and the left side surface and the right side surface of the central plate are inserted into the corresponding second clamping grooves; produce the mouth of a river and adopt loose joint's screw thread screw in mode, avoid producing the mouth of a river fracture because of external effort causes, send monoblock MBR membrane to be unable to use and cause the waste, the second draw-in groove makes the dull and stereotyped membrane element of MBR can fix, and dull and stereotyped membrane element of MBR rocks when avoiding the aeration.
According to the novel MBR flat membrane element, the water outlets are arranged on the connecting strips, the water outlets are symmetrically distributed along the second clamping groove, the water outlets are connected with the water collecting channel in a penetrating manner, a plurality of groups of water outlets are arranged according to the height change of the water collecting pipe, and at least two groups of water outlets are arranged; the water outlets are more, the filtering resistance is small, and the water permeability of the MBR membrane is uniform.
According to the novel MBR flat membrane element, the support bars are arranged on the central plate in parallel at equal intervals, one ends of the support bars are connected with the upper frame, and the other ends of the support bars are connected with the lower frame; the support bars provide temporary storage space for filtered water, the weight of the MBR flat membrane element is reduced, and the support bars are arranged in parallel at equal intervals to provide channels for water production, so that water outlet is smoother.
In the novel MBR flat membrane element, the supporting bars are arranged corresponding to the bumps, the supporting bars cover the bumps, and the bumps are of cylindrical structures; the lug provides a fixed fulcrum for the support bar, improves the intensity of MBR flat sheet membrane element, avoids in the suction process, and the support bar absorbs on central plate and warp.
In the novel MBR flat membrane element, the central plate is made of ABS plastic; the ABS plastic has excellent impact strength, good dimensional stability, high mechanical strength, high rigidity, low water absorption, good corrosion resistance, no toxicity, no odor, excellent chemical property and electrical insulating property, can resist heat without deformation, has high impact toughness under low temperature condition, is not easy to scratch and deform, and can meet the requirements of the central plate.
Compared with the prior art, the MBR flat membrane element adopts a hollow cavity structure formed by the convex blocks and the supporting bars on the central supporting plate, thereby providing more channels and storage spaces for water flow on one hand, and reducing the weight and the cost when the supporting plate has certain strength on the other hand; the left side and the right side of the MBR flat membrane element are respectively provided with a water collecting channel, the top end of the water collecting channel is provided with a water producing port, and the water collecting pipe is also provided with a plurality of groups of water outlets, so that on one hand, when water is produced by filtering, the water is uniformly discharged from each point of the membrane, and the low water yield caused by the serious local pollution of the membrane is relieved; on the other hand, the water outlets are distributed dispersedly, so that the membrane is ensured to be more uniform during chemical cleaning, and a good filter membrane cleaning effect is achieved. This water collecting channel is circular, and the bulge is unanimous with slot version interval, when making the subassembly with the film element, has both guaranteed the clearance aeration between the film element and has erodeed the distance, can avoid rocking between the film element again.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the upper frame and the first clamping groove of the present invention;
fig. 3 is a schematic structural view of the lower frame and the first engaging groove of the present invention;
FIG. 4 is a schematic structural view of the water outlet, the water collecting channel, the connecting strip and the second slot of the present invention
Fig. 5 is a schematic structural view of the water outlet and the water collecting channel of the present invention.
Reference numerals: 1-supporting plate, 2-flow guiding cloth, 3-MBR membrane, 4-upper frame, 5-lower frame, 6-water collecting pipe, 7-water producing opening, 8-water outlet, 9-central plate, 10-lug, 11-supporting strip, 12-handle, 13-first clamping groove, 14-water collecting channel, 15-connecting strip and 16-second clamping groove.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Detailed Description
Embodiment 1 of the utility model: a novel MBR flat membrane element comprises a supporting plate 1, wherein two side surfaces of the supporting plate 1 are sequentially provided with a guide cloth 2 and an MBR membrane 3 from inside to outside, the outer edge of the guide cloth 2 is connected with the outer edge of the supporting plate 1, a closed water collecting cavity is formed between the guide cloth 2 and the supporting plate 1, the outer edge of the MBR membrane 3 is connected with the outer edge of the supporting plate 1, a closed water collecting cavity is formed between the guide cloth 2 and the MBR membrane 3, the top of the supporting plate 1 is provided with an upper frame 4, the bottom of the supporting plate 1 is provided with a lower frame 5, the left side and the right side of the supporting plate 1 are provided with water collecting pipes 6, the top ends of the water collecting pipes 6 are provided with water producing ports 7, a plurality of groups of water outlets 8 are further arranged on the water collecting pipes 6, a central plate 9 is arranged between the supporting plate 1 and the guide cloth 2, and a plurality of convex blocks 10 and a plurality of supporting bars 11 are arranged on two surfaces of the central plate 9; the supporting plate 1 and the supporting strips 11 form a cavity structure, so that more channels and storage spaces are provided for water flow, and the supporting plate is guaranteed to have certain strength, the weight is reduced, and the cost is reduced; a water producing port 7 and a water outlet 8 are arranged, so that on one hand, when water is produced by filtering, water is uniformly discharged from each point of the MBR membrane 3, and the low water yield caused by serious local pollution of the MBR membrane 3 is relieved; on the other hand, 8 disperse distributions of delivery port guarantee that MBR membrane 3 is more even when chemical cleaning, reach good filter membrane cleaning performance.
Embodiment 9 of the utility model: a novel MBR flat membrane element comprises a supporting plate 1, wherein two side surfaces of the supporting plate 1 are sequentially provided with a guide cloth 2 and an MBR membrane 3 from inside to outside, the outer edge of the guide cloth 2 is connected with the outer edge of the supporting plate 1, a closed water collecting cavity is formed between the guide cloth 2 and the supporting plate 1, the outer edge of the MBR membrane 3 is connected with the outer edge of the supporting plate 1, a closed water collecting cavity is formed between the guide cloth 2 and the MBR membrane 3, the top of the supporting plate 1 is provided with an upper frame 4, the bottom of the supporting plate 1 is provided with a lower frame 5, the left side and the right side of the supporting plate 1 are provided with water collecting pipes 6, the top ends of the water collecting pipes 6 are provided with water producing ports 7, a plurality of groups of water outlets 8 are further arranged on the water collecting pipes 6, a central plate 9 is arranged between the supporting plate 1 and the guide cloth 2, and a plurality of convex blocks 10 and a plurality of supporting bars 11 are arranged on two surfaces of the central plate 9; the supporting plate 1 and the supporting strips 11 form a cavity structure, so that more channels and storage spaces are provided for water flow, and the supporting plate is guaranteed to have certain strength, the weight is reduced, and the cost is reduced; a water producing port 7 and a water outlet 8 are arranged, so that on one hand, when water is produced by filtering, water is uniformly discharged from each point of the MBR membrane 3, and the low water yield caused by serious local pollution of the MBR membrane 3 is relieved; on the other hand, the water outlets 8 are distributed dispersedly, so that the MBR membrane 3 is ensured to be more uniform during chemical cleaning, and a good filter membrane cleaning effect is achieved; the support plate 1 is of a rectangular structure, a welding seam is arranged between the outer edge of the flow guide cloth 2 and the outer edge of the support plate 1, and a welding seam is arranged between the outer edge of the MBR membrane 3 and the outer edge of the support plate 1; a closed water collecting cavity is formed between the guide cloth 2 and the support plate 1, and a closed water collecting cavity is also formed between the guide cloth 2 and the MBR membrane 3; a handle 12 is arranged in the middle of the upper surface of the upper frame 4; MBR flat membrane elements are convenient to replace and take; the left end of the upper frame 4 is connected with the upper part of the water collecting pipe 6 on the left side of the central plate 9, the right end of the upper frame 4 is connected with the upper part of the water collecting pipe 6 on the right side of the central plate 9, the left end of the lower frame 5 is connected with the lower part of the water collecting pipe 6 on the left side of the central plate 9, and the right end of the lower frame 5 is connected with the lower part of the water collecting pipe 6 on the right side of the central plate 9; forming a closed frame so that the MBR membrane 3 is fixed; a first clamping groove 13 is formed in one side, connected with the support plate 1, of the upper frame 4, a first clamping groove 13 is also formed in one side, connected with the support plate 1, of the lower frame 5, the top and the bottom of the support plate 1 are inserted into the corresponding first clamping grooves 13, and the top and the bottom of the central plate 9 are inserted into the corresponding first clamping grooves 13; a water collecting channel 14 is arranged in the middle of the water collecting pipe 6, the outer wall of one end of the water producing port 7 is in threaded connection with the inner wall of the water collecting channel 14, connecting strips 15 are arranged on two sides of the water collecting pipe 6, a second clamping groove 16 is arranged on one side, connected with the supporting plate 1, of each connecting strip 15, the left side face and the right side face of the supporting plate 1 are inserted into the corresponding second clamping grooves 16, and the left side face and the right side face of the central plate 9 are inserted into the corresponding second clamping grooves 16; the water producing port 7 adopts a loose joint thread screwing mode, so that the phenomenon that the whole MBR membrane 3 cannot be used and is wasted due to the breakage of the water producing port 7 caused by external acting force is avoided, the second clamping groove 16 enables the MBR flat membrane element to be fixed, and the MBR flat membrane element is prevented from shaking during aeration; the water outlets 8 are arranged on the connecting strip 15, the water outlets 8 are symmetrically distributed along the second clamping groove 16, the water outlets 8 are in through connection with the water collecting channel 14, the number of the water outlets 8 is provided with a plurality of groups according to the height change of the water collecting pipe 6, and at least two groups of the water outlets 8 are arranged; the number of water outlets is more than 8, the filtering resistance is small, and the water permeability of the MBR membrane 3 is uniform; the plurality of supporting strips 11 are arranged on the central plate 9 in parallel at equal intervals, one ends of the supporting strips 11 are connected with the upper frame 4, and the other ends of the supporting strips 11 are connected with the lower frame 5; the support bars 11 provide temporary storage space for filtered water, the weight of the MBR flat membrane element is reduced, and the support bars 11 are arranged in parallel at equal intervals to provide channels for water production, so that water outlet is smoother; the supporting strips 11 are arranged corresponding to the bumps 10, the supporting strips 11 cover the bumps 10, and the bumps 10 are of cylindrical structures; the lugs 10 provide a fixed fulcrum for the support bars 11, which improves the strength of the MBR flat membrane element and prevents the support bars 11 from being sucked onto the central plate 9 and deformed during the suction process.
The utility model discloses a theory of operation of embodiment: a plurality of the membrane modules are inserted into an outer frame made of stainless steel at equal intervals to obtain membrane modules, the membrane modules are immersed into sewage to be treated, and the sewage flows among the membrane modules in an aeration mode to scour the surfaces of the MBR membranes 3; when the negative pressure suction pump starts to produce water, sewage passes through the MBR membrane 3, reaches the water collecting cavity between the flow guide cloth 2 and the supporting plate 1, is collected to the water collecting channel 14 through a plurality of groups of water outlets 9, is pumped out by the water pump through the water producing port 8, and is conveyed to a clean water tank for standby or is subjected to advanced treatment. The design of the plurality of groups of water outlets 9 ensures that the water yield is dispersed, which is beneficial to improving the effective water producing area of the membrane and reducing the membrane pollution. The clearance that support strip 11 and backup pad 1, well core plate 9 are constituteed provides the passageway for membrane product water, reduces the flow resistance of water in the membrane chamber for it is more unobstructed to go out water, has also alleviateed the weight of backup pad simultaneously, reduce cost.
Claims (10)
1. A novel MBR flat membrane element is characterized by comprising a supporting plate (1), wherein two side surfaces of the supporting plate (1) are sequentially provided with a guide cloth (2) and an MBR membrane (3) from inside to outside, the outer edge of the guide cloth (2) is connected with the outer edge of the supporting plate (1), a closed water collecting cavity is formed between the guide cloth (2) and the supporting plate (1), the outer edge of the MBR membrane (3) is connected with the outer edge of the supporting plate (1), a closed water collecting cavity is formed between the guide cloth (2) and the MBR membrane (3), the top of the supporting plate (1) is provided with an upper frame (4), the bottom of the supporting plate (1) is provided with a lower frame (5), the left side and the right side of the supporting plate (1) are respectively provided with a water collecting pipe (6), the top end of the water collecting pipe (6) is provided with a water producing port (7), and the water collecting pipe (6) is also provided with a plurality of groups of water outlets (8), be provided with well core plate (9) between backup pad (1) and water conservancy diversion cloth (2), the two sides of well core plate (9) all are provided with a plurality of lugs (10) and many spinal branchs strip (11).
2. The novel MBR flat membrane element according to claim 1, wherein the support plate (1) is a rectangular structure, a welding seam is arranged between the outer edge of the flow guide cloth (2) and the outer edge of the support plate (1), and a welding seam is arranged between the outer edge of the MBR membrane (3) and the outer edge of the support plate (1).
3. The novel MBR flat membrane element according to claim 1, wherein a handle (12) is arranged in the middle of the upper surface of the upper frame (4).
4. A novel MBR flat membrane element according to claim 1, characterized in that the left end of the upper frame (4) is connected to the upper part of the water collection pipe (6) on the left side of the central plate (9), the right end of the upper frame (4) is connected to the upper part of the water collection pipe (6) on the right side of the central plate (9), the left end of the lower frame (5) is connected to the lower part of the water collection pipe (6) on the left side of the central plate (9), and the right end of the lower frame (5) is connected to the lower part of the water collection pipe (6) on the right side of the central plate (9).
5. The novel MBR flat membrane element according to claim 1, wherein a first clamping groove (13) is formed in one side, connected with the support plate (1), of the upper frame (4), a first clamping groove (13) is formed in one side, connected with the support plate (1), of the lower frame (5), the top and the bottom of the support plate (1) are inserted into the corresponding first clamping grooves (13), and the top and the bottom of the central plate (9) are inserted into the corresponding first clamping grooves (13).
6. The novel MBR flat membrane element according to claim 1, wherein a water collecting channel (14) is arranged in the middle of the water collecting pipe (6), the outer wall of one end of the water producing port (7) is in threaded connection with the inner wall of the water collecting channel (14), connecting strips (15) are arranged on two sides of the water collecting pipe (6), a second clamping groove (16) is arranged on one side of each connecting strip (15) connected with the support plate (1), the left side surface and the right side surface of the support plate (1) are inserted into the corresponding second clamping grooves (16), and the left side surface and the right side surface of the central plate (9) are inserted into the corresponding second clamping grooves (16).
7. The novel MBR flat membrane element according to claim 6, wherein the water outlets (8) are arranged on the connecting strip (15), the water outlets (8) are symmetrically distributed along the second clamping groove (16), the water outlets (8) are connected with the water collecting channel (14) in a penetrating manner, the number of the water outlets (8) is provided with a plurality of groups according to the height change of the water collecting pipe (6), and at least two groups of the water outlets (8) are provided.
8. The novel MBR flat membrane element according to claim 1, wherein a plurality of support bars (11) are arranged on the central plate (9) in parallel at equal intervals, one end of each support bar (11) is connected with the upper frame (4), and the other end of each support bar (11) is connected with the lower frame (5).
9. The novel MBR flat membrane element according to claim 1, wherein the support bars (11) are arranged corresponding to the bumps (10), the support bars (11) are covered above the bumps (10), and the bumps (10) are of a cylindrical structure.
10. A novel MBR flat membrane element according to claim 1, characterized in that the central plate (9) is ABS plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022438031.9U CN214990544U (en) | 2020-10-28 | 2020-10-28 | Novel MBR flat membrane element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022438031.9U CN214990544U (en) | 2020-10-28 | 2020-10-28 | Novel MBR flat membrane element |
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| Publication Number | Publication Date |
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| CN214990544U true CN214990544U (en) | 2021-12-03 |
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| CN202022438031.9U Active CN214990544U (en) | 2020-10-28 | 2020-10-28 | Novel MBR flat membrane element |
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| CN (1) | CN214990544U (en) |
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